WO2014104325A1 - 清掃部材を製造する方法、及び清掃部材を製造するシステム - Google Patents
清掃部材を製造する方法、及び清掃部材を製造するシステム Download PDFInfo
- Publication number
- WO2014104325A1 WO2014104325A1 PCT/JP2013/085177 JP2013085177W WO2014104325A1 WO 2014104325 A1 WO2014104325 A1 WO 2014104325A1 JP 2013085177 W JP2013085177 W JP 2013085177W WO 2014104325 A1 WO2014104325 A1 WO 2014104325A1
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- WO
- WIPO (PCT)
- Prior art keywords
- fiber bundle
- pair
- width adjusting
- width
- adjusting members
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
- A47L13/16—Cloths; Pads; Sponges
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
- A47L13/38—Other dusting implements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/0076—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised in that the layers are not bonded on the totality of their surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H57/00—Guides for filamentary materials; Supports therefor
- B65H57/02—Stationary rods or plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H57/00—Guides for filamentary materials; Supports therefor
- B65H57/26—Supports for guides
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/04—Supporting filaments or the like during their treatment
- D01D10/0436—Supporting filaments or the like during their treatment while in continuous movement
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D11/00—Other features of manufacture
- D01D11/02—Opening bundles to space the threads or filaments from one another
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
- D02J1/18—Separating or spreading
Definitions
- the present invention relates to a method for manufacturing a cleaning member and a system for manufacturing the cleaning member.
- a belt-like inner fiber layer composed of continuous fiber bundles and a belt-like sheet member are overlapped, and both are partially joined to form a first continuous body, and similarly, a second continuous After forming the body and partially fixing the first and second continuums by overlapping them, a belt-like outer side composed of continuous fiber bundles on the inner fiber layer side of each of the first and second continuums
- a step of stacking and fixing the fiber layers a step of cutting the laminate obtained in the step into a predetermined length, and applying compressed air to the fiber layer portion in the cut laminate to open the fiber bundle
- a method for producing a cleaning article comprising the step of: forming a strip-like inner fiber layer and an outer fiber layer, each comprising a fiber bundle made of crimped fibers bent in a zigzag shape, and alternating with the crimped fibers.
- the difference is 0.1 to 0.7 mm, and in the step of opening the fiber bundle, the fiber bundle in the cut laminate is the tip of a brush whose entire circumference of the cleaning article is made of fibers of the fiber bundle.
- the first belt layer includes a first fiber layer and a first belt-like member made of continuous fiber bundles, and both longitudinal sides of the first belt-like member are folded and fixed.
- a first continuous body in which the first fiber layer is overlapped and fixed on the outer surface side of the first fiber, a second fiber layer composed of continuous fiber bundles, and a second belt-like member, and both longitudinal sides of the second belt-like member Is folded and fixed, and a second continuous body in which the second fiber layer is stacked and fixed on the outer surface side of the second belt-shaped member is manufactured, and the manufactured first continuous body and second continuous body are stacked.
- the third fiber layer and the fourth fiber layer composed of continuous fiber bundles are stacked and fixed on the first fiber layer and the second fiber layer, respectively, to form a laminate.
- a method for manufacturing a cleaning article by cutting the laminate to obtain individual cleaning articles, wherein the first belt-shaped member In each of the second belt-like members, a central portion sandwiched between a pair of breakage guide wires and an outer portion connected to the center portion via the breakage guide wires are formed.
- a step of intermittently forming the rupture guide line over the entire width direction of the first strip member and the second strip member is formed on the first strip member and the second strip member, respectively.
- the outer portions located on both sides of the central portion are cut out from each of the cut first and second strip members, leaving the central portion sandwiched between the pair of break guide wires.
- a method for manufacturing a cleaning article which includes a step and a step of opening the cut first to fourth fiber layers in a three-dimensional direction at random after cutting the laminate. .
- the cleaning article manufacturing method wherein a continuous body of four long fiber layers in which fiber bundles are oriented in one direction, A continuous body of a long scraping sheet, a continuous body of two long base sheets, a continuous body of the fiber layer, a continuous body of the scraping sheet, a continuous body of the fiber layer, two sheets Laminate in the order of the continuum of the base sheet, the continuum of the fiber layer, the continuum of the scraping sheet, and the continuum of the fiber layer, and clean the continuum by joining in the width direction at predetermined intervals.
- a method for manufacturing a cleaning article that is cut to obtain a plurality of cleaning articles has been proposed. .
- the present situation is that a new manufacturing method and manufacturing system for producing a cleaning member capable of capturing dust, dust, dust and the like more efficiently is desired.
- the present invention has been found as a result of intensive studies by the present inventors based on the current situation.
- an object of the present invention is to provide a new manufacturing method and a new manufacturing system that are suitable for manufacturing a cleaning member having excellent cleaning performance and that can be manufactured efficiently.
- the present invention is a method for continuously producing a cleaning member obtained from a multilayer web including at least a fiber bundle that has been opened and a strip-shaped nonwoven fabric, and is predetermined.
- a method is provided that includes at least a step of connecting the components of the multilayer web.
- a novel manufacturing method and a manufacturing system that are suitable for manufacturing a cleaning member having excellent cleaning performance and that can be manufactured efficiently are provided.
- FIG. 1 is a perspective view of a cleaning member manufactured by an embodiment of the manufacturing method and / or manufacturing system of the present invention and a gripping tool fixed to the cleaning member.
- 2 is a cross-sectional view taken along line II-II in FIG.
- FIG. 3 is a plan view of the cleaning member shown in FIG. 1.
- FIG. 4 is a schematic diagram for explaining a manufacturing method and / or a manufacturing system of the cleaning member shown in FIG.
- FIG. 5 is an enlarged perspective view of the vicinity of the first guide member 171 shown in FIG. 6 is a view of the vicinity of the first guide member 171 shown in FIG. 4 (a part of FIG. 5) viewed from above.
- FIG. 7 is an enlarged view of the vicinity of the first guide member 171 shown in FIG. 4 (FIG. 5).
- a method for producing a cleaning member according to the present invention is a method for continuously producing a cleaning member obtained from a multilayer web including at least a spread fiber bundle and a strip-shaped non-woven fabric, and has a predetermined interval.
- a step of preparing a guide member including a pair of width adjusting members, a belt-shaped fiber bundle including the opened fiber bundle is conveyed between the pair of width adjusting members of the guide member, and The step of adjusting the width of the band-shaped fiber bundle so as to match the interval, the step of stacking the band-shaped fiber bundle having the adjusted width on the band-shaped nonwoven fabric, and forming the multilayer web, and the above
- the method includes at least a step of connecting the constituent members of the multilayer web. (Aspect 1).
- the method of manufacturing the cleaning member according to the present invention is a novel manufacturing method that is suitable for manufacturing a cleaning member having excellent cleaning performance and that can be manufactured efficiently.
- the method of manufacturing the cleaning member according to the present invention includes a step of preparing a guide member having a predetermined interval and a pair of width adjusting members, and a strip-shaped fiber bundle including the opened fiber bundle. Conveying the gap between the pair of width adjusting members of the member and adjusting the width of the band-like fiber bundle so as to match the interval, and easily controlling the width of the band-like fiber bundle Can do.
- a band-shaped fiber bundle including a fiber bundle that has been opened tends to reduce the basis weight of the fibers on both sides in the conveying direction (that is, both ends in the width direction) during the opening process.
- the width of the strip-shaped fiber bundle is adjusted using the pair of width adjusting members, the basis weight of the fibers on both sides in the transport direction increases, and the basis weight of the strip-shaped fiber bundle is determined by the center portion and the end portion in the width direction. The effect of making uniform is obtained.
- the pair of width adjusting members have a rod-like shape, and an axis direction of the pair of width adjusting members intersects with a conveying direction of the opened fiber bundle (an aspect) 2).
- the contact area between the pair of width adjusting members and the opened fiber bundle is reduced, and the frequency of the opened fiber bundle being broken and wound around the width adjusting member is reduced.
- the preferable angle which should be formed between the direction of the said axis line, and the said conveyance direction is mentioned later.
- the “bar-shaped shape” includes a linear shape and a non-linear shape, for example, a curved shape.
- intersect means that two directions are not parallel and is a concept including orthogonality.
- orthogonality means that two directions intersect at a right angle.
- the direction of the axis of the pair of width adjusting members is substantially orthogonal to the width direction of the opened fiber bundle.
- the direction of the axis of the pair of width adjusting members is substantially orthogonal to the width direction of the opened fiber bundle.
- it is.
- the pair of width adjusting members in one of the embodiments in which the pair of width adjusting members has a rod-like shape (for example, aspect 2), the pair of width adjusting members is preferably a portion (contact portion) that is in contact with the end surface of the belt-shaped fiber bundle ) And a pair of width adjusting members have a cross-sectional shape such as a circle or an ellipse.
- the pair of width adjusting members has a rod-like shape
- the pair of width adjusting members includes a curved surface portion and a non-curved surface portion, and the curved surface portion is a circle or an elliptical arc.
- a non-curved surface portion having a polygonal shape, for example, a triangular shape, a quadrangular shape, or the like.
- the upper ends of the pair of width adjusting members are located upstream of the lower ends in the transport direction (aspect 3).
- the belt-like fiber bundle receives a downward force, and the belt-like fiber bundle is less likely to lift, and when stacking on the belt-like nonwoven fabric, The position is difficult to shift.
- the band-like fiber bundles exert upward force when adjusting the width of the band-like fiber bundles. The belt-like fiber bundle is easily lifted and the position of the belt-like fiber bundle is easily displaced.
- the belt-like fiber bundle is not transported by a belt or the like, but is transported in a relaxed state on a transport member such as a roll (for example, a rotating roll or a non-rotating roll) arranged at a certain interval.
- a transport member such as a roll (for example, a rotating roll or a non-rotating roll) arranged at a certain interval.
- the positions of the upper and lower ends (upstream or downstream) of the pair of width adjusting members are assumed to be “transport surfaces” on the assumption that the belt-like fiber bundle moves linearly on each transport member. And the above upper end and lower end are determined on the upstream side or on the downstream side with reference to the transport surface.
- the transport surface is assumed.
- the surface formed by the belt-shaped fiber bundle is the “transport surface”.
- the pair of width adjusting members have a curved surface portion in a portion in contact with the end face of the band-shaped fiber bundle (Aspect 4).
- the curved portion is not particularly limited as long as the opened fiber bundle is not easily broken.
- a part of a column surface for example, a part of a cylindrical surface and a part of an elliptical column surface, a cone A part of the surface, for example, a part of the conical surface and a part of the elliptical cone surface may be mentioned.
- the guide member further includes a support member that connects the lower ends of the pair of width adjusting members, and the belt-shaped fiber bundle is transported on the support member.
- the guide member further includes a height adjusting member that connects upper ends of the pair of width adjusting members, and the band-shaped fiber bundle is connected to the height of the height adjusting member. It is preferable to control and carry so as not to exceed the length (Aspect 6).
- the support member and the height adjustment member are preferably of the same shape as the pair of width adjustment members. That is, in the present invention, it is preferable that the support member and the height adjusting member have a bar shape.
- the support member and / or the height adjusting member in one of the embodiments in which the support member and / or the height adjusting member has a rod-like shape, the support member and / or the height adjusting member is preferably in contact with the end face of the belt-shaped fiber bundle.
- the portion (contact portion) has a curved surface portion, and the support member and / or the height adjusting member has a cross-sectional shape such as a circle or an ellipse.
- the support member and / or the height adjusting member in another embodiment in which the support member and / or the height adjusting member has a rod shape, the support member and / or the height adjusting member includes a curved surface portion and a non-curved surface portion,
- the curved surface portion has a cross-sectional shape formed from a circular or elliptical arc and a chord
- the non-curved surface portion has a cross-sectional shape such as a polygon, for example, a triangle or a quadrangle.
- the opened fiber bundle is conveyed while being loosened (Aspect 7).
- the fiber bundle opened to a desired level can be prevented from being excessively opened, and the width of the fiber bundle being opened can be prevented from being excessively widened.
- the opened fiber bundle is continuously conveyed at a constant speed, and the belt-shaped nonwoven fabric is intermittently conveyed so that an average speed substantially coincides with the constant speed. Is preferable (Aspect 8). Thereby, the opened fiber bundle can be conveyed while maintaining a loose state.
- the step of connecting the constituent members of the multilayer web is preferably a step of fusing the constituent members (Aspect 9).
- a system for producing a cleaning member according to the present invention is a system for continuously producing a cleaning member obtained from a multilayer web including at least a spread fiber bundle and a strip-shaped nonwoven fabric, and has a predetermined interval.
- the system for manufacturing the cleaning member according to the present invention can easily control the width of the belt-like fiber bundle. Moreover, as demonstrated in aspect 1, the basic weight of a strip
- the pair of width adjusting members have a rod-like shape, and the direction of the axis of the pair of width adjusting members intersects the conveying direction of the opened fiber bundle (aspect) 12).
- the contact area between the pair of width adjusting members and the opened fiber bundle is reduced, and the frequency of the opened fiber bundle being broken and wound around the width adjusting member is reduced.
- the preferable angle which should be formed between the direction of the said axis line, and the said conveyance direction is mentioned later.
- the direction of the axis of the pair of width adjusting members is substantially orthogonal to the width direction of the opened fiber bundle. Preferably it is. By being approximately orthogonal, when the opened fiber bundle is loosened and conveyed, the opened fiber bundle is less likely to be broken.
- the upper ends of the pair of width adjusting members are located upstream of the lower ends in the transport direction (aspect 13).
- the pair of width adjusting members have a curved surface portion in a portion contacting the end surface of the band-shaped fiber bundle (embodiment 14). Thereby, the opened fiber bundle is less likely to be broken when contacting the width adjusting member.
- the guide member further includes a support member that connects lower ends of the pair of width adjusting members (Aspect 15). In any one of aspects 11 to 15, it is preferable that the guide member further includes a height adjustment member that connects upper ends of the pair of width adjustment members (aspect 16).
- the apparatus further comprises a device for cutting the multilayer web into individual cleaning members (aspect 17).
- FIGS. 1 to 7 an embodiment of a method and system for manufacturing a cleaning member according to the present invention will be described in more detail with reference to FIGS.
- the method and system for manufacturing the cleaning member according to the present invention are not limited to the embodiment of the present invention shown in FIGS. 1 to 7 within the scope of the purpose and the spirit of the present invention. .
- FIG. 1 is a perspective view of the cleaning member 1 and a gripping tool 15 fixed to the cleaning member 1
- FIG. 2 is a cross-sectional view taken along the line II-II of FIG. 1
- FIG. 3 is a cleaning shown in FIG. 3 is a plan view of the member 1.
- FIG. 1 “upper” in FIG. 2 may be referred to as the upper side, and “lower” may be referred to as the lower side. However, “upper” and “lower” in FIG. Yes, and does not limit the vertical direction of the cleaning member 1.
- the cleaning member 1 includes a raised portion 2, a base sheet 12 stacked above the raised portion 2, and a holding sheet 13 stacked above the base sheet 12. It has.
- the cleaning member 1 is formed with an insertion portion 14 for inserting the insertion portion 16 of the gripping tool 15 between the base sheet 12 and the holding sheet 13. .
- the cleaning member 1 is formed with two inserted portions 14 so that the inserting portion 16 branched into two can be inserted.
- the number of inserted portions 14 in this embodiment is two, the number of inserted portions 14 can be changed as appropriate according to the number of branches of the inserting portion 16.
- Another embodiment includes an embodiment in which the number of inserted portions 14 is three or more.
- the raised portion 2 includes a first fibrous member 3, a second fibrous member 4 stacked on the lower side of the first fibrous member 3, and a lower portion of the second fibrous member 4.
- a four-layered fibrous member composed of a third fibrous member 5 stacked on the side and a fourth fibrous member 6 stacked on the lower side of the third fibrous member 5, and a fiber of this four-layered structure And a strip sheet 7 stacked on the lower side of the cylindrical member (the lower side of the fourth fibrous member 6).
- the fibrous member of the raised portion 2 in the present embodiment has a four-layer structure, the layer structure of the fibrous member can be changed as appropriate.
- Another embodiment includes an embodiment in which the layer structure of the fibrous member is a one-layer structure, a two-layer structure, or a three-layer structure, and as another embodiment, the layer structure of the fibrous member has five or more layers. Embodiments that are structures are mentioned. Moreover, although the raising part 2 in this embodiment is provided with the strip sheet 7, the presence or absence of the strip sheet 7 can be selected suitably. As another embodiment, an embodiment in which the strip sheet 7 is omitted can be cited.
- the first to fourth fibrous members 3 to 6 are fiber bundles to which an oil agent is attached, and are dusting oil agents (for example, oil agents mainly composed of liquid paraffin) that have an action of promoting adsorption of dust, dust and the like. is there.
- the fiber bundle is, for example, tow (TOW), preferably opened tow.
- TOW tow
- “Tow” means a bundle having a very large number of filaments as described in JIS L 0204-3: 1998 3.1.24.
- the fiber bundle may be a bundle of slit fibers (fibers formed by cutting and stretching a thin film), split fibers (fibers formed by dividing an elongated film into a network structure), and the like.
- fiber bundles include fiber bundles made of thermoplastic fibers, fiber bundles containing thermoplastic fibers, and the like.
- the raw material of the fiber constituting the fiber bundle include polyethylene, polypropylene, polyethylene terephthalate, nylon, and rayon.
- the fiber constituting the fiber bundle include, for example, a single fiber and a composite fiber (for example, Core-sheath type composite fiber, side-by-side type composite fiber) and the like.
- the composite fiber is preferably a core-sheath type composite fiber from the viewpoint of heat-fusibility, and more preferably a core-sheath type composite fiber having a melting point of the core higher than that of the sheath.
- Preferable core-sheath type composite fibers include, for example, core-sheath type composite fibers in which the core is made of polypropylene or polyethylene terephthalate and the sheath is made of polyethylene. Further preferable core-sheath type composite fibers include, for example, polyethylene in the core. A core-sheath type composite fiber made of terephthalate and having a sheath made of polyethylene can be mentioned.
- the fineness of the fibers constituting the fiber bundle is preferably 1 to 50 dtex, more preferably 2 to 10 dtex.
- the fiber bundle may include a plurality of types of fibers having the same fineness, or may include a single type or a plurality of types of fibers having different finenesses.
- each fiber constituting the fiber bundle is composed of crimped fibers.
- the fiber bundle can be made bulky, and a structure in which dust, dust, etc. can be easily taken into the crimped portions can be obtained.
- an embodiment in which each fiber constituting the fiber bundle is constituted by non-crimped fibers can be mentioned.
- the strip sheet 7 is formed of a nonwoven fabric made of thermoplastic fibers (heat-fusible fibers), or a nonwoven fabric containing thermoplastic fibers, like the base sheet 12 and the holding sheet 13. 12 is formed in a rectangular shape having substantially the same width and length as those.
- the strip sheet 7 is provided with sawtooth-shaped cuts (not shown) at predetermined intervals over the entire strip sheet 7, and this cut cuts the entire length of both edges in the width direction of the strip sheet 7.
- a strip (not shown) having serrated edges is formed.
- a base sheet 12 and a holding sheet 13 are sequentially stacked on the upper side of the first fibrous member 3 of the raised portion 2, and between the base sheet 12 and the holding sheet 13. A portion to be inserted 14 for inserting the insertion portion 16 of the gripping tool 15 is formed.
- the base sheet 12 and the holding sheet 13 have a rectangular shape, and both the sheets 12 and 13 are set to have the same dimension in the width direction (left and right direction in FIG. 3).
- the dimension in the length direction (vertical direction in FIG. 3) is set to be longer in the base sheet 12, and both ends in the longitudinal direction of the base sheet 12 are outward from the both ends in the longitudinal direction of the holding sheet 13 by a predetermined length.
- the holding sheet 13 is stacked on the upper side of the base sheet 12 so as to protrude.
- the base sheet 12 and the holding sheet 13 are formed of a nonwoven fabric made of thermoplastic fibers (heat-fusible fibers) or a nonwoven fabric containing thermoplastic fibers.
- thermoplastic fiber include polyethylene fiber, polypropylene fiber, polyethylene terephthalate fiber, composite fiber of polyethylene and polyethylene terephthalate, composite fiber of polyethylene and polypropylene, for example, the core is made of polyethylene terephthalate, and the sheath is made of polyethylene.
- core-sheath type composite fibers As a kind of nonwoven fabric, a thermal bond nonwoven fabric, a spun bond nonwoven fabric, a spunlace nonwoven fabric, etc. are mentioned, for example.
- Another embodiment includes an embodiment in which the base sheet and the holding sheet are formed from a thermoplastic resin film, for example, a polyethylene film or a polypropylene film, and as yet another embodiment, the base sheet and the holding sheet are The embodiment formed from the laminate sheet of a nonwoven fabric and a resin film is mentioned.
- a thermoplastic resin film for example, a polyethylene film or a polypropylene film
- the base sheet and the holding sheet are The embodiment formed from the laminate sheet of a nonwoven fabric and a resin film is mentioned.
- the base material sheet 12 and the holding sheet 13 are all layers (the first fibrous member 3, the second fibrous member 4, the third fibrous member 5, The fourth fibrous member 6 and the strip sheet 7) are integrally fused.
- the cleaning member 1 has a first melt extending in the longitudinal direction at the center in the width direction. A landing portion 8 is formed.
- the base sheet 12 and the holding sheet 13 are formed on one side (first fiber) of the raised portion 2 by the second fused portion forming device 134 described later on both sides (left and right in FIG. 2) of the first fused portion 8.
- the second member 11 is formed in the cleaning member 1 in the longitudinal direction.
- Each of the two second fusion parts 11 is formed intermittently.
- the first fibrous member 3 is fused to the base sheet 12 and the holding sheet 13, whereby the first fibrous member 3 follows the movement of the sheets 12 and 13. It becomes easier to spread, and thus the cleaning efficiency is improved.
- the base sheet 12 and the holding sheet 13 are formed in the first fused portion 8 in the entire layer of the raised portion 2 (first fibrous member 3, second fibrous member 4, third fibrous member 5, fourth fibrous shape.
- the two second fused portions 11 are fused with the first fibrous member 3 of the raised portion 2.
- the base sheet 12 and the holding sheet 13 are fused at the first fibrous member 3 of the raised portion 2 and the central portion thereof by a second fused portion forming device 134 described later.
- a pair of fusion wires 18 are formed at a predetermined interval in the width direction of the base sheet 12 and the holding sheet 13, and the first fusion wire 18 is formed between the pair of fusion wires 18.
- a landing portion 8 is formed.
- the pair of fusion lines 18 is a mark for managing the position of the first fusion part 8 in the manufacturing stage, and is the first fusion part 8 disposed between the pair of thermal fusion lines 18? By managing whether or not with a sensor or the like, it is possible to sort out non-defective products and defective products.
- the two second fusion parts 11 are provided intermittently at several locations in the longitudinal direction of the base sheet 12 and the holding sheet 13, and the two second fusion parts 11 are provided.
- the insertion portion 16 of the gripping tool 15 is prevented from coming out of each inserted portion 14. .
- both edge portions in the width direction of the base sheet 12 and the holding sheet 13 are arranged at predetermined intervals along the longitudinal direction.
- a sawtooth-shaped notch 20a is provided, and a plurality of strips 20 having both serrated edges are provided by the notch 20a.
- Another embodiment includes an embodiment in which the base sheet 12 and the holding sheet 13 are not provided with the sawtooth-shaped cuts 20a, and thus the strip pieces 20 are not provided.
- the gripping tool 15 includes a pair of rectangular plate-like insertion portions 16 arranged in parallel to each other and a pair of arcuate shapes protruding from the outer surfaces of both end portions in the longitudinal direction of each insertion portion 16.
- the projection 16a and the holder portion 17 provided integrally with one of the end portions of the insertion portion 16 are formed, for example, from plastic or the like.
- both insertion portions 16 of the gripping tool 15 By inserting both insertion portions 16 of the gripping tool 15 into both insertion portions 14 of the cleaning member 1 and engaging the protrusions 16 a with the non-fused portions of the two second fusion portions 11, the gripping tool 15.
- the cleaning member 1 is attached. Then, by holding the holder portion 17 of the gripping tool 15 and bringing the raised portion 2 into contact with the site to be cleaned and moving it in a desired direction, dust, dust, etc. at the location to be cleaned are captured by the raised portion 2, The part to be cleaned is cleaned.
- the cleaning member shown in FIGS. 1 to 3 is an example of a cleaning member that can be manufactured using the method and system for manufacturing the cleaning member according to the present invention, and the method for manufacturing the cleaning member according to the present invention and
- 2007-135774 No. 2007-209460, No. 2007-209461, No. 2007-029136, No. 2007-111297, No. 2007-135666, No. 2007-136156, Can be used to manufacture the cleaning member described in JP-A Nos. 2007-159612, 2007-236690, 2008-006260, 2008-119171 and 2007-029135, and refer to these publications And are incorporated herein.
- the manufacturing method of the cleaning member of this indication, and the manufacturing system of a cleaning member are US6,554,937B, US2002 / 148061A, US2003 / 000034A, US2004 / 0149095A, US2005 / 0005381A, US2005 / 039285A, US2005 / 097695A, for example.
- FIG. 4 is a schematic view for explaining a method and an apparatus for manufacturing the cleaning member 1.
- a method for manufacturing the cleaning member 1 is performed using the apparatus 100 shown in FIG. 4.
- the cleaning member 1 is manufactured.
- the method for manufacturing the cleaning member 1 includes the following step 1 and step 2.
- step 1 A step of opening a fiber bundle to a step of conveying
- Step 2 A step of producing a multilayer web using the fiber bundle and cutting (cutting) the cleaning member 1 from the multilayer web
- step 1 includes the following step 1a and step 1b.
- Step 1a Step of opening first fiber bundle F1 to fourth fiber bundle F4
- Step 1b Step of conveying first fiber bundle F1 to fourth fiber bundle F4
- the step 1 includes the step 1a, but the presence or absence of the step 1a can be appropriately selected depending on the type of fiber bundle to be used.
- Another embodiment includes an embodiment in which step 1a is omitted. For example, when the fiber bundle is composed of non-crimped fibers, step 1a can be omitted.
- First fiber bundle F1 that consists of crimped fibers is drawn continuously from the storage container (not shown), a first nip roll 102a which rotates at a constant circumferential speed V 1, are sent to 102b.
- First fiber bundle F1 that has passed through the first nip roll 102a, and 102b passes through the plurality of tension rolls 104, a second nip roll 106a rotating at a circumferential speed V 2, sent to 106b.
- the peripheral speed V2 of the second nip rolls 106a and 106b is faster than the peripheral speed V1 of the first nip rolls 102a and 102b. Due to the difference in peripheral speed, tension is applied to the first fiber bundle F1 between the first nip rolls 102a and 102b and the second nip rolls 106a and 106b, and as a result, the first fiber bundle F1 is Opened.
- Each tension roll 104 is made of, for example, solid steel, and its mass is adjusted so that a considerable amount of force is required for rotation. Therefore, when the first fiber bundle F1 advances from the first nip rolls 102a and 102b toward the second nip rolls 106a and 106b while rotating the tension rolls 104, the moving speed of the first fiber bundle F1 is abrupt. It does not increase.
- Each tension roll 104 is arranged so that the stroke between the first nip rolls 102a and 102b and the second nip rolls 106a and 106b becomes long so that the first fiber bundle F1 can be gradually opened. .
- the first fiber bundle F1 that has passed through the second nip rolls 106a and 106b passes through the air supply device 108 and is sent to the third nip rolls 112a and 112b that rotate at the peripheral speed V 3 .
- the peripheral speed V 3 of the third nip rolls 112a and 112b is slower than the peripheral speed V 2 of the second nip rolls 106a and 106b. Due to this difference in peripheral speed, the tension of the first fiber bundle F1 is relaxed between the second nip rolls 106a, 106b and the third nip rolls 112a, 112b, and as a result, the first fiber bundle F1 is further reduced. As the fiber is opened, the width of the first fiber bundle F1 is widened.
- Air is blown from the air supply unit 108 to the first fiber bundle F1 sent from the second nip rolls 106a and 106b to the third nip rolls 112a and 112b. As a result, the first fiber bundle F1 is further opened. Is done.
- the opening method can be appropriately changed.
- Another embodiment includes an embodiment in which any one of application and relaxation of tension and air blowing is used.
- Embodiments in which other fiber-opening methods are used are mentioned.
- the first to third nip rolls are used for tension application and relaxation, but the number of nip rolls can be changed as appropriate.
- Another embodiment includes an embodiment in which other nip rolls are used in addition to the first to third nip rolls for tension application and relaxation.
- the oil agent tank 114 contains an oil agent.
- the oil agent contained in the oil agent tank 114 is a dusting oil agent (for example, an oil agent mainly composed of liquid paraffin) that has an effect of promoting adsorption of dust, dust and the like.
- Step 1b Hereinafter, although the process 1b demonstrates as an example the conveyance process with respect to the 1st fiber bundle F1, the conveyance process with respect to another fiber bundle is implemented similarly.
- the first fiber bundle F1 passes through the third nip rolls 112a and 112b, it passes through the first guide member 171 before reaching the stacking roll 132.
- the second fiber bundle F2 passes through the third nip rolls 112a and 112b, it passes through the second guide member 172, and the third fiber bundle F3 passes through the third nip rolls 112a and 112b.
- the fourth fiber bundle F4 passes through the fourth guide member 174.
- the first fiber bundle F1 proceeds to the stacking roll 132.
- the second to fourth fiber bundles F2 to F4 proceed to the stacking rolls 136, 138, and 140, respectively.
- step 2 includes the following steps 2a to 2c.
- Step 2a A step of forming a multilayer web by overlapping the fiber bundle that has undergone Step 1b with another member (in this embodiment, a strip-shaped nonwoven fabric)
- Step 2b A fiber bundle included in the multilayer web and other members
- Step 2c Step of cutting out individual cleaning members 1 from the multilayer web
- the other members that are overlapped with the fiber bundle that has undergone step 1b are strip-shaped nonwoven fabrics 121, 123, and 151.
- Another embodiment includes an embodiment in which one or two of these strip-shaped non-woven fabrics are overlapped with the fiber bundle that has undergone step 1b.
- An embodiment in which another belt-shaped nonwoven fabric is overlapped with the fiber bundle that has undergone step 1b is included.
- the stacking order is not particularly limited, but it is preferable to stack the belt-shaped nonwoven fabric so as to be positioned in the outermost layer.
- the strip-shaped nonwoven fabrics 121 and 123 correspond to the base material sheet 12 and the holding sheet 13 of the cleaning member 1, respectively.
- the strip-shaped nonwoven fabric 121 is continuously unwound from the nonwoven fabric roll 120 and includes a plurality of rolls arranged in two upper and lower stages, and the roll located in the lower stage passes through the dancer roll 124 that swings up and down. It is conveyed intermittently.
- the strip-shaped non-woven fabric 123 is continuously unwound from the non-woven fabric roll 122 and includes a plurality of rolls arranged in two upper and lower stages, and the lower roll passes through a dancer roll 126 that swings up and down. By carrying out, it is conveyed intermittently.
- intermittently conveyed means that the strip-shaped nonwoven fabrics 121 and 123 advance in the conveying direction by a certain distance (for example, approximately the length in the width direction of the cleaning member 1) and stop conveying for a certain time. It means that it is conveyed so as to repeat.
- the belt-shaped nonwoven fabrics 121 and 123 are intermittently conveyed, so that time for fusing the constituent elements of the multilayer web described later can be secured.
- the strip-shaped non-woven fabrics 121 and 123 are stacked by a stacking roll 128 to form a multilayer web S1, and the multilayer web S1 is formed by intermittently forming a sawtooth blade (not shown) in the circumferential direction on the surface thereof. It passes through the existing gather cutter 130. Thereby, the notch corresponding to the notch 20a (refer FIG. 1) of the base material sheet 12 and the holding sheet 13 is formed. Then, the multilayer web S1 proceeds to the stacking roll 132.
- the multilayer web S1 is stacked on the first fiber bundle F1 that has undergone step 1 in the stacking roll 132 to form the multilayer web S2.
- the first fiber bundle F1 is configured to be able to sag to some extent between the third nip rolls 112a and 112b and the stacking roll 132, whereby the dancer roll is provided between them.
- the multilayer web S2 is sequentially stacked with the second fiber bundle F2 to the fourth fiber bundle F4 that have undergone step 1 in the stacking rolls 136, 138, and 140 to form the multilayer web S3.
- the strip-shaped nonwoven fabric 151 corresponds to the strip sheet 7 of the cleaning member 1.
- the strip-shaped nonwoven fabric 151 is continuously unwound from the nonwoven fabric roll 150, intermittently conveyed by passing through the dancer roll 152, and then passes through the gather roll 154.
- the gather roll 154 has a serrated blade (not shown) continuous in the circumferential direction on the surface thereof, thereby forming a serrated cut (not shown) in the strip-shaped nonwoven fabric 151 that has passed the gather roll 154. Is done.
- the strip-shaped nonwoven fabric 151 is stacked on the multilayer web S3 by the stacking roll 156 to form the multilayer web S4.
- the multilayer web S2 passes through the second fusion part forming device 134 before joining the second fiber bundle F2 to the fourth fiber bundle F4.
- the second fusion part forming device 134 fuses the strip-shaped nonwoven fabrics 121 and 123 and the first fiber bundle F1 included in the multilayer web S2, and uses the two second fusion parts 11 (see FIG. 3). Form. Thereby, the multilayer web S2 is melt
- a heat seal device is used as the second fusion part forming device 134, but other seal devices (for example, an ultrasonic seal device or the like) may be used.
- the multilayer web S4 passes through the first fusion part forming device 158.
- the first fusion part forming device 158 fuses the entire multilayer web S4 to form the first fusion part 8 (see FIG. 3 and the like) on the multilayer web S4. Thereby, the multilayer web S4 is fused over the thickness direction.
- a heat seal device is used as the first fusion part forming device 154, but the fusion part forming device can be appropriately changed.
- Another embodiment includes an embodiment in which an ultrasonic sealing device is used.
- step 2c The multilayer web S4 that has passed through the first fused part forming device 158 is cut by the cutting device 160, and the individual cleaning members 1 are cut out.
- the cleaning member 1 manufactured according to the present embodiment includes the strip sheet 7, but the cleaning member manufactured according to another embodiment does not include the strip sheet 7. Moreover, in the cleaning member 1 manufactured by this embodiment, although the to-be-inserted part 14 is located in the surface of the cleaning member 1, the cleaning member manufactured by another embodiment is the base material sheet 12 and the holding sheet 13. And the fibrous members 3 to 6 are changed in the stacking order, the inserted portion 14 is disposed between any of the adjacent fibrous members 3 to 6. Thereby, it can clean using both surfaces of the cleaning member 1.
- FIG. At this time, in order to facilitate the insertion of the insertion portion 16 into the insertion portion 14, the length of the base sheet 12 and the holding sheet 13 in the longitudinal direction (vertical direction in FIG. 3) is determined from the fibrous members 3-6. It is preferable to make the length longer, and these dimensions can be arbitrarily determined. At this time, the strip sheet 7 may or may not be used, and the strip sheet 7 may be disposed on both surfaces of the cleaning member 1.
- FIG. 5 is an enlarged perspective view of the vicinity of the first guide member 171 shown in FIG.
- the first guide member 171 includes a pair of width adjusting members 171a and 171b, a support member 171c connecting the lower ends of the pair of width adjusting members 171a and 171b, and the upper ends of the pair of width adjusting members 171a and 171b. It consists of a height adjusting member 171d that connects them together.
- the first fiber bundle F1 that has passed through a third nip roll (not shown) is conveyed in the conveyance direction MD in a relaxed state while being held by the non-rotating roll 180 and the support member 171c.
- the width of the first fiber bundle F1 is adjusted to the distance between the pair of width adjusting members 171a and 171b.
- the first fiber bundle F1 having the adjusted width is stacked on the multilayer web S1 by the stacking roll 132, thereby forming the multilayer web S2.
- the pair of width adjusting members 171a and 171b have a circular cross-sectional shape.
- FIG. 6 is a view of the vicinity of the first guide member 171 shown in FIG. 4 (a part of FIG. 5) as viewed from above.
- a pair of width adjusting members 171a and 171b, a height adjusting member 171d, And the stacking roll 132 is represented by a dotted line.
- the pair of width adjusting members 171a and 171b has a curved surface portion, more specifically, a part of a cylindrical surface, in a portion contacting the end surface of the first fiber bundle F1.
- the width of the first fiber bundle F1 is adjusted so as to match the predetermined interval P between the pair of width adjusting members 171a and 171b.
- the direction of the axis A of the pair of width adjusting members 171a and 171b is orthogonal to the width direction W of the first fiber bundle F1.
- FIG. 7 is an enlarged view of the vicinity of the first guide member 171 shown in FIG. 4 (FIG. 5).
- the upper end 171aa of the width adjusting member 171a is located upstream of the lower end 171ab in the transport direction MD. The same applies to the width adjusting member 171b.
- the upper ends of the pair of width adjusting members are located on the upstream side in the transport direction from the lower ends.
- the axis of the width adjusting member is more than 0 ° and not more than 90 °, more preferably 10 to 80 °, still more preferably 20 to 70 °, and still more preferably 30 to 60, with the conveying surface of the belt-shaped fiber bundle.
- the upper ends of the pair of width adjusting members are located on the upstream side in the transport direction with respect to the lower ends so as to form an angle of °.
- transport surface is as described above.
- the belt-shaped fiber bundle is less likely to lift when passing through the guide member, and when stacked on the belt-shaped nonwoven fabric, the belt-shaped nonwoven fabric is less likely to lift, and the position of the belt-shaped nonwoven fabric is displaced. It becomes difficult.
- ⁇ is an angle formed between the axis A and the conveyance surface B on the upstream side in the conveyance direction.
- an axis A is an axis of the pair of width adjusting members 171a and 171b.
- the conveyance surface B assumes that the first fiber bundle F1 conveyed while being loosened moves linearly on the non-rotating roll 180 and the support member 171c. This is the surface formed by the first fiber bundle F1.
- 2013-002855 filed in Japan on January 10, 2013 and a US application claiming priority thereof, ie, US Patent Application No. 13 / 749,717, and (13) Japanese Patent Application No. 2013-002857 filed in Japan on January 10, 2013, and US application claiming priority thereof, ie, US Patent Application No. 13 / 749,715.
- Cleaning member 2 Brushed portion 3: First fibrous member 4: Second fibrous member 5: Third fibrous member 6: Fourth fibrous member 7: Strip sheet 8: First fused portion 11: First 2 fusion part 12: base material sheet 13: holding sheet 14: inserted part 15: gripping tool 16: insertion part 16a: protrusion 17: holder part 18: fusion wire 20: strip piece 20a: notch 100: cleaning member Manufacturing apparatus 102a, b: First nip roll 104: Tension roll 106a, b: Second nip roll 108: Air supply device 110: Transfer roll 112a, b: Third nip roll 113: Blade member 114: Oil tank 120, 122 , 150: non-woven fabric roll 121, 123, 151: strip-shaped non-woven fabric 124, 126, 152: dancer roll 128, 132, 136, 138, 140, 156: Stack roll 130: Gather cutter 134: Second fusion part forming device 154: Gather roll 158: First fusion
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
Description
以下、本発明による清掃部材を製造する方法について、詳細に説明する。
なお、上記軸線の方向と、上記搬送方向との間に形成されるべき好ましい角度については、後述する。
また、本明細書において、「交差」は、2つの方向が平行でないことを意味し、直交を含む概念である。また、本明細書において、「直交」は、2つの方向が、直角に交わることを意味する。
本発明において、一対の幅調整部材が棒状の形状を有する実施形態の1つ(例えば、態様2)では、一対の幅調整部材は、好ましくは帯状の繊維束の端面に接触する部分(接触部)に曲面部を有し、そして一対の幅調整部材が、円、楕円等の断面形状を有する。
本発明において、一対の幅調整部材が棒状の形状を有する別の実施形態では、一対の幅調整部材が、曲面部と、非曲面部とを含み、上記曲面部が、円又は楕円の弧と、弦とから形成される断面形状を有し、そして非曲面部が、多角形、例えば、三角形、四角形等の断面形状を有する。
なお、上記一対の幅調整部材の上端が、その下端よりも、搬送方向の下流側に位置していると、帯状の繊維束の幅を調整する際に、帯状の繊維束が上向きの力を受け、帯状の繊維束が浮き上がりやすくなり、帯状の繊維束の位置がずれやすくなる。
なお、帯状の繊維束が、ベルト等により搬送される場合には、帯状の繊維束が形成する面が、「搬送面」となる。
上記曲面部としては、開繊された繊維束が破断されにくいものであれば、特に限定されないが、例えば、柱面の一部、例えば、円柱面の一部及び楕円柱面の一部、錐面の一部、例えば、円錐面の一部及び楕円錐面の一部が挙げられる。
上記支持部材及び高さ調整部材としては、一対の幅調整部材と同様の形状のものが好ましい。
すなわち、本発明において、上記支持部材及び高さ調整部材は、棒状の形状を有することが好ましい。
本発明において、上記支持部材及び/又は高さ調整部材が棒状の形状を有する実施形態の1つでは、上記支持部材及び/又は高さ調整部材は、好ましくは帯状の繊維束の端面に接触する部分(接触部)に曲面部を有し、そして上記支持部材及び/又は高さ調整部材が、円、楕円等の断面形状を有する。
本発明において、上記支持部材及び/又は高さ調整部材が棒状の形状を有する別の実施形態では、上記支持部材及び/又は高さ調整部材が、曲面部と、非曲面部とを含み、上記曲面部が、円又は楕円の弧と、弦とから形成される断面形状を有し、そして非曲面部が、多角形、例えば、三角形、四角形等の断面形状を有する。
態様1~9のいずれかにおいて、上記複層ウェブを、個々の清掃部材にカットする工程をさらに含むことが好ましい(態様10)。
以下、本発明による清掃部材を製造するシステムについて、詳細に説明する。
本発明による清掃部材を製造するシステムは、開繊された繊維束と、帯状の不織布とを少なくとも含む複層ウェブから得られる清掃部材を連続的に製造するシステムであって、あらかじめ定められた間隔を有する、一対の幅調整部材を備えるガイド部材を備える装置と、幅が調整された上記帯状の繊維束を、上記帯状の不織布の上に積み重ねて、複層ウェブを形成する装置と、上記複層ウェブの構成部材を連結する装置とを少なくとも備えるシステムである(態様11)。
なお、上記軸線の方向と、上記搬送方向との間に形成されるべき好ましい角度については、後述する。
また、態様11~15のいずれかにおいて、上記ガイド部材が、上記一対の幅調整部材の上端同士を連結する高さ調整部材をさらに含むことが好ましい(態様16)。
それにより、例えば、帯状の繊維束と、帯状の不織布との搬送の仕方が異なる場合等において、帯状の繊維束の上下動を抑制し、帯状の繊維束を帯状の不織布の上に積み重ねやすくなる。
図1は、清掃部材1及び清掃部材1に固定される把持具15の斜視図であり、図2は、図1のII-II線における断面図であり、図3は図1に示される清掃部材1の平面図である。なお、以下の説明において、図2における「上」を上側とし、「下」を下側とする場合があるが、図2における「上」及び「下」は、単に説明の便宜上用いられるものであり、清掃部材1の上下方向を限定するものではない。
繊維束は、例えば、トウ(TOW)、好ましくは、開繊されたトウである。なお、「トウ」は、JIS L 0204-3:1998の3.1.24に記載されるとおり、極めて多数のフィラメントをそろえた束を意味する。
図4は、清掃部材1を製造する方法及び装置を説明するための概略図であり、本実施形態では、図4に示される装置100を用いて、清掃部材1を製造する方法が実施され、清掃部材1が製造される。
[工程1]繊維束を開繊する工程~搬送する工程
[工程2]繊維束を用いて複層ウェブを製造し、複層ウェブから清掃部材1を切り出す(カットする)工程
以下、工程1について説明する。
本実施形態において、工程1は、以下の工程1a及び工程1bを含む。
[工程1a]第1の繊維束F1~第4の繊維束F4を開繊する工程
[工程1b]第1の繊維束F1~第4の繊維束F4を搬送する工程
以下、工程1aについて、第1の繊維束F1を開繊する工程を例として説明するが、その他の繊維束を開繊する工程も同様に実施される。
以下、工程1bについて、第1の繊維束F1に対する搬送工程を例として説明するが、その他の繊維束に対する搬送工程も同様に実施される。
以下、工程2について説明する。
本実施形態において、工程2は、以下の工程2a~工程2cを含む。
[工程2a]工程1bを経た繊維束を他の部材(本実施形態では帯状の不織布)と重ねて複層ウェブを形成する工程
[工程2b]複層ウェブに含まれる繊維束と他の部材とを固定する工程
[工程2c]複層ウェブから個々の清掃部材1を切り出す工程
以下、工程2aについて説明する。
本実施形態において、工程1bを経た繊維束と重ねられる他の部材は、帯状の不織布121,123,151である。別の実施形態として、これらの帯状の不織布のうち1つ又は2つが、工程1bを経た繊維束と重ねられる実施形態が挙げられ、さらに別の実施形態として、これらの帯状の不織布に加えて、その他の帯状の不織布が、工程1bを経た繊維束と重ねられる実施形態が挙げられる。いずれの実施形態においても、積層順序は特に限定されるものではないが、帯状の不織布が最外層に位置するように積層されることが好ましい。
帯状の不織布151は、清掃部材1の短冊シート7に対応する。帯状の不織布151は、不織布ロール150から連続的に巻出され、ダンサロール152を通過することによって間欠的に搬送され、そして、ギャザーロール154を通過する。ギャザーロール154は、その表面にその周方向に連続した鋸歯形状の刃(図示しない)を有し、それにより、ギャザーロール154を通過した帯状の不織布151に鋸歯形状の切れ込み(不図示)が形成される。
以下、工程2bについて説明する。
複層ウェブS2は、第2の繊維束F2~第4の繊維束F4と合流する前に、第2融着部形成装置134を通過する。第2融着部形成装置134は、複層ウェブS2に含まれる帯状の不織布121,123及び第1の繊維束F1を融着し、2本の第2融着部11(図3参照)を形成する。これにより、複層ウェブS2は、その厚さ方向にわたって融着される。本実施形態では、第2融着部形成装置134として、ヒートシール装置が使用されているが、その他のシール装置(例えば、超音波シール装置等)を使用してもよい。
以下、工程2cについて説明する。
第1融着部形成装置158を通過した複層ウェブS4がカット装置160において切断され、個々の清掃部材1が切り出される。
次いで、幅が調整された第1の繊維束F1は、積み重ねロール132で、複層ウェブS1に積み重ねられ、複層ウェブS2が形成される。
なお、図5では、一対の幅調整部材171a及び171bは、円形の断面形状を有している。
図6では、一対の幅調整部材171a及び171bの軸線Aの方向は、第1の繊維束F1の幅方向Wと直交している。
なお、「搬送面」の定義は、上述の通りである。
図7では、上記角度をθで表現する。θは、軸線Aと、搬送面Bとが、搬送方向の上流側に形成する角度である。
図7において、軸線Aは、一対の幅調整部材171a及び171bの軸線である。また、図7において、搬送面Bは、弛ませながら搬送される第1の繊維束F1が、非回転ロール180と、支持部材171cとの上を直線的に移動するものと仮定した際に、第1の繊維束F1が形成する表面である。
(1)2012年12月29日に日本国に出願された特願2012-289181号、及びその優先権を主張する米国出願、すなわち、米国特許出願第13/749,721号、
(2)2012年12月29日に日本国に出願された特願2012-289182号、及びその優先権を主張する米国出願、すなわち、米国特許出願第13/749,719号、
(3)2012年12月29日に日本国に出願された特願2012-289174号、及びその優先権を主張する米国出願、すなわち、米国特許出願第13/749,716号、
(4)2012年12月29日に日本国に出願された特願2012-289189号、及びその優先権を主張する米国出願、すなわち、米国特許出願第13/749,724号、
(5)2012年12月29日に日本国に出願された特願2012-289175号、及びその優先権を主張する米国出願、すなわち、米国特許出願第13/749,723号、
(6)2012年12月29日に日本国に出願された特願2012-289188号、及びその優先権を主張する米国出願、すなわち、米国特許出願第13/749,722号、
(7)2012年12月29日に日本国に出願された特願2012-289179号、及びその優先権を主張する米国出願、すなわち、米国特許出願第13/749,726号、
(8)2012年12月29日に日本国に出願された特願2012-289177号、及びその優先権を主張する米国出願、すなわち、米国特許出願第13/749,718号、
(9)2012年12月29日に日本国に出願された特願2012-289184号、及びその優先権を主張する米国出願、すなわち、米国特許出願第13/749,725号、
(10)2012年12月29日に日本国に出願された特願2012-289178号、及びその優先権を主張する米国出願、すなわち、米国特許出願第13/749,714号、
(11)2012年12月29日に日本国に出願された特願2012-289176号、及びその優先権を主張する米国出願、すなわち、米国特許出願第13/749,713号、
(12)2013年1月10日に日本国に出願された特願2013-002855号、及びその優先権を主張する米国出願、すなわち、米国特許出願第13/749,717号、並びに
(13)2013年1月10日に日本国に出願された特願2013-002857号、及びその優先権を主張する米国出願、すなわち、米国特許出願第13/749,715号。
5:第3繊維状部材 6:第4繊維状部材 7:短冊シート
8:第1融着部 11:第2融着部 12:基材シート 13:保持シート
14:被挿入部 15:把持具 16:挿入部 16a:突起
17:ホルダ部 18:融着線 20:短冊片 20a:切れ込み
100:清掃部材の製造装置 102a,b:第1のニップロール
104:テンションロール 106a,b:第2のニップロール
108:エアー供給器 110:転写ロール 112a,b:第3のニップロール
113:ブレード部材 114:油剤槽 120,122,150:不織布ロール
121,123,151:帯状の不織布 124,126,152:ダンサロール
128,132,136,138,140,156:積み重ねロール
130:ギャザーカッタ 134:第2融着部形成装置 154:ギャザーロール
158:第1融着部形成装置 160:カット装置
171:第一ガイド部材 172:第二ガイド部材
173:第三ガイド部材 174:第四ガイド部材
180:非回転ロール
Claims (17)
- 開繊された繊維束と、帯状の不織布とを少なくとも含む複層ウェブから得られる清掃部材を連続的に製造する方法であって、
あらかじめ定められた間隔を有する、一対の幅調整部材を備えるガイド部材を準備する工程、
開繊された繊維束を含む帯状の繊維束を、前記ガイド部材の前記一対の幅調整部材の間に通して搬送し、前記帯状の繊維束の幅を、前記間隔に合わせるように調整する工程、
幅が調整された前記帯状の繊維束を、前記帯状の不織布の上に積み重ねて、複層ウェブを形成する工程、及び
前記複層ウェブの構成部材を連結する工程、
を少なくとも含む、前記方法。 - 前記一対の幅調整部材が棒状の形状を有し、前記一対の幅調整部材の軸線の方向が、前記開繊された繊維束の搬送方向と交差している、請求項1に記載の方法。
- 前記一対の幅調整部材の上端が、その下端よりも、搬送方向の上流側に位置している、請求項1又は2に記載の方法。
- 前記一対の幅調整部材が、前記帯状の繊維束の端面に接触する部分に曲面部を有する、請求項1~3のいずれか一項に記載の方法。
- 前記ガイド部材が、前記一対の幅調整部材の下端同士を連結する支持部材をさらに含み、前記帯状の繊維束を、前記支持部材に載せて搬送する、請求項1~4のいずれか一項に記載の方法。
- 前記ガイド部材が、前記一対の幅調整部材の上端同士を連結する高さ調整部材をさらに含み、前記帯状の繊維束を、前記高さ調整部材の高さを超えないように制御して搬送する、請求項1~5のいずれか一項に記載の方法。
- 前記開繊された繊維束を、弛ませながら搬送する、請求項1~6のいずれか一項に記載の方法。
- 前記開繊された繊維束を一定速度で連続的に搬送し、前記帯状の不織布を、平均速度が前記一定速度とほぼ一致するように間欠的に搬送する、請求項7に記載の方法。
- 前記複層ウェブの構成部材を連結する工程が、前記構成部材を融着させる工程である、請求項1~8のいずれか一項に記載の方法。
- 前記複層ウェブを、個々の清掃部材にカットする工程をさらに含む、請求項1~9のいずれか一項に記載の方法。
- 開繊された繊維束と、帯状の不織布とを少なくとも含む複層ウェブから得られる清掃部材を連続的に製造するシステムであって、
あらかじめ定められた間隔を有する、一対の幅調整部材を備えるガイド部材を備える装置と、
幅が調整された前記帯状の繊維束を、前記帯状の不織布の上に積み重ねて、複層ウェブを形成する装置と、
前記複層ウェブの構成部材を連結する装置と、
を少なくとも備える、
前記システム。 - 前記一対の幅調整部材が棒状の形状を有し、前記一対の幅調整部材の軸線の方向が、前記開繊された繊維束の搬送方向と交差している、請求項11に記載のシステム。
- 前記一対の幅調整部材の上端が、その下端よりも、搬送方向の上流側に位置している、請求項11又は12に記載のシステム。
- 前記一対の幅調整部材が、前記帯状の繊維束の端面に接触する部分に曲面部を有する、請求項11~13のいずれか一項に記載のシステム。
- 前記ガイド部材が、前記一対の幅調整部材の下端同士を連結する支持部材をさらに含む、請求項11~14のいずれか一項に記載のシステム。
- 前記ガイド部材が、前記一対の幅調整部材の上端同士を連結する高さ調整部材をさらに含む、請求項11~15のいずれか一項に記載のシステム。
- 前記複層ウェブを、個々の清掃部材にカットする装置をさらに備える、請求項11~16のいずれか一項に記載のシステム。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/655,971 US10098516B2 (en) | 2012-12-29 | 2013-12-27 | Method for producing cleaning member, and system for producing cleaning member |
| JP2014554606A JP6116589B2 (ja) | 2012-12-29 | 2013-12-27 | 清掃部材を製造する方法、及び清掃部材を製造するシステム |
| US16/055,955 US10568484B2 (en) | 2012-12-29 | 2018-08-06 | Method for producing cleaning member, and system for producing cleaning member |
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| JP2012-289189 | 2012-12-29 | ||
| JP2012289189 | 2012-12-29 |
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| US14/655,971 A-371-Of-International US10098516B2 (en) | 2012-12-29 | 2013-12-27 | Method for producing cleaning member, and system for producing cleaning member |
| US16/055,955 Division US10568484B2 (en) | 2012-12-29 | 2018-08-06 | Method for producing cleaning member, and system for producing cleaning member |
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| WO2014104325A1 true WO2014104325A1 (ja) | 2014-07-03 |
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|---|---|---|---|---|
| EP3773113B1 (en) * | 2018-04-03 | 2024-02-07 | The Procter & Gamble Company | Cleaning article with irregularly spaced tow tufts |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4349233B1 (en) * | 2022-10-06 | 2025-08-13 | The Procter & Gamble Company | Process for packaging a cleaning wipe |
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Also Published As
| Publication number | Publication date |
|---|---|
| US10098516B2 (en) | 2018-10-16 |
| US10568484B2 (en) | 2020-02-25 |
| US20150351600A1 (en) | 2015-12-10 |
| JPWO2014104325A1 (ja) | 2017-01-19 |
| JP6116589B2 (ja) | 2017-04-19 |
| US20180344121A1 (en) | 2018-12-06 |
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