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WO2018063018A1 - Procédé de fabrication d'un fil de liège de faible épaisseur - Google Patents

Procédé de fabrication d'un fil de liège de faible épaisseur Download PDF

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Publication number
WO2018063018A1
WO2018063018A1 PCT/PT2017/050025 PT2017050025W WO2018063018A1 WO 2018063018 A1 WO2018063018 A1 WO 2018063018A1 PT 2017050025 W PT2017050025 W PT 2017050025W WO 2018063018 A1 WO2018063018 A1 WO 2018063018A1
Authority
WO
WIPO (PCT)
Prior art keywords
cork
canvas
thread
stage
strips
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
Application number
PCT/PT2017/050025
Other languages
English (en)
Inventor
Mónica Sofia DA FONSECA ÁGUAS GONÇALVES
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Star Busy Investimentos E Inovacao Lda
Original Assignee
Star Busy Investimentos E Inovacao Lda
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Star Busy Investimentos E Inovacao Lda filed Critical Star Busy Investimentos E Inovacao Lda
Publication of WO2018063018A1 publication Critical patent/WO2018063018A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/06—Threads formed from strip material other than paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
    • B27J5/00—Mechanical working of cork

Definitions

  • the present invention pertains to a process of manufacturing a cork thread with low thickness, which includes two alternate stages, in which they are sprinkled or sprayed with an aqueous potato starch solution, according to the respective stages of said manufacturing process, the cork canvas strips and the cork thread with low thickness.
  • the aqueous potato starch solution will confer, to the intermediate product, specifically to the cork canvas strips and subsequently to the end product, specifically the cork thread with low thickness, a supplementary resistance to the level of its rupture and stretching and will also confer a solidity in the agglutination between thin strips of cork twisted around their respective axes, so that they are not destroyed.
  • aqueous potato starch solution conferred by the aqueous potato starch solution will mean that the cork thread with low thickness requires no structural reinforcement, as is the case, among others, of a seam along the length of the thin cork canvas strips.
  • cork thread with low thickness manufactured in accordance with the process described in the present invention due to its high resistance to rupture and stretching is indicated to be used in the manufacture of cork fabrics and meshes.
  • Said cork fabrics and meshes are resistant to rain water, can be ironed and also be washed by hand or in the washing machine, if necessary.
  • the process of manufacturing a cork thread with low thickness, described in the present invention comprises sequentially four main stages and two sub-stages:
  • Sub-stage 1 Preparing the cork canvas
  • Sub-stage 2 Rolling the cork canvas strips onto the reel;
  • the two sub-stages respectively precede one of the four main stages.
  • the sub-stage 1 which precedes the 1 st stage, specifically the stage of cutting the cork canvas into cork canvas strips, is only carried out if the raw material used in the process, specifically cork canvas, which is commercialized in rolls, presents a cork canvas roll having greater width than the width of the unraveling roll, which is one of the five components that make up a cutting machine, which will cut a cork canvas into thin cork canvas strips.
  • the sub-stage 2 which precedes the 3 rd stage, specifically the stage of twisting the cork canvas strips, includes winding the cork canvas strips, produced in the prior stage, in the 2 nd stage, onto a reel.
  • Said cutting machine used in the 1 st stage of the process, specifically in the stage of cutting the cork canvas into cork canvas strips was developed specifically for the effect and same comprises five components:
  • a traction roll situated beneath the guillotine mechanism and the set of blades;
  • Cork thread with low thickness produced by way of said process comprises between two and ten cork canvas strips twisted around their respective axes.
  • cork canvas strips and cork thread are impregnated with a potato starch solution.
  • Figure 1 - shows a layout of the process of manufacturing a cork thread with low thickness
  • Figure 2 - shows a layout of the four main sequential stages that make up the process of manufacturing a cork thread with low thickness
  • Figure 3 - shows a diagram of the process of manufacturing a cork thread with low thickness
  • Figure 4 - shows a cork thread with low thickness
  • Figure 5 - shows a layout of the process of manufacturing a cork thread with low thickness, with the set of raised blades .
  • the purpose of the process of manufacturing a cork thread (3) with low thickness, described in the present invention is to produce a cork thread (3) with low thickness which includes the spraying with an aqueous substance made of potato starch (4), in two alternate stages of the process, as can be seen in figures 1, 2, 3 and 5.
  • the cork thread (3) produced by way of the process of manufacturing a cork thread with low thickness, described in the present invention is made by the twisting or intertwining of two to ten cork canvas strips (2) and does not present an entirely regular or uniform perimeter, regarding the number of faces or sides, and accordingly, nor does it present a fully cylindrical perimeter, as can be noted in figure 4.
  • the title or heading which refers to the thickness of the cork thread (3), as being in fact a width.
  • Said thickness of the cork thread (3) shall also be referred to as the width of the cork thread (3) .
  • the spraying with the aqueous potato starch solution (4) will contribute for the intermediate product and the end product, respectively the cork canvas strips (2) and the cork thread (3), represented in figure 4, to increase their resistance to rupture and stretching.
  • the aqueous potato starch solution (4) will also contribute to the increase in solidity in the agglutination between the cork canvas strips (2), represented in figure 4, when twisted or intertwined around their respective axes, so that they are not destroyed or unwound.
  • the manufacture of said cork thread (3) with low thickness comprises sequentially four main stages:
  • the four main sequential stages may require the respective addition of one or two sub-stages, specifically sub-stage 1 and sub-stage 2.
  • the two said sub-stages 1 and 2 also for reasons merely relating to an improved understanding of the text, hereinafter will always be described as being an integral part, respectively, of one of the four main sequential stages, specifically of the 1 st stage, of cutting the cork canvas (1) into cork canvas strips (2), of the 3 rd stage, of twisting the cork canvas strips (2) .
  • This sub-stage 1 which precedes the 1 st stage is carried out according to the embodiment of the present invention, i.e. this sub-stage 1 is only carried out if the raw material used in the process, specifically the cork canvas (1), which is commercialized in rolls, presents a cork canvas roll (1) having greater width than the width of the unraveling roll (5) , which is one of the five components that make up a cutting machine (6), which will cut a cork canvas (1) into cork canvas strips (2) .
  • the sub-stage 2 which is also carried out according to the embodiment of the present invention can be suppressed, due to an improvement in the present process of manufacturing a cork thread (3) with low thickness.
  • This sub-stage 2 which precedes the 3 rd stage, specifically the stage of twisting the cork canvas strips (2), includes winding the cork canvas strips (2) onto the reel (7) . Accordingly, depending on the embodiment of the present invention, as represented in the diagram of figure 3, the process of manufacturing a cork thread (3) with low thickness comprises sequentially four main stages and two sub-stages :
  • Sub-stage 1 Preparing the cork canvas ( 1 ) ;
  • Sub-stage 2 Winding the cork canvas strips (2) onto the reel ( 7 ) ;
  • the cork canvas (1) used in the first stage of the process of manufacturing a cork thread (3) with low thickness is formed by two components, a cork skin and a cotton fabric.
  • the cork canvas (1) is commercialized in rolls whose dimensions may be different to the width of the unraveling roll (5), represented in figure 1.
  • the rolls of cork canvas (1) available on the market present a height of cork canvas (1) of about 1.0mm, a width of about 1.0m and a length of at least 40.0m.
  • the variation in the length of the cork canvas roll (1) will be directly related to the variation in the length of the cork thread (3), i.e. if a roll has a length of 10.0m, each of the cork canvas strips (2) to be produced and subsequently the end product, the cork thread (3), will also be approximately 10.0m.
  • the sub-stage 1 of preparing the cork canvas (1) will also be decisive for the end product, cork thread (3) with low thickness to achieve the desired resistance to rupture and stretching, due to the need to cut the sheet of cork canvas (1) in parallel to one of the threads of the web of said cotton fabric, which constitutes the cork canvas (1) .
  • the cork canvas (1) has to be cut with the same width size unraveling roll (5) and in parallel to the respective thread of the web of the cotton fabric which makes up the cork canvas (1) .
  • the intermediate product and the end product respectively the cork canvas strips (2) and the cork thread (3), will follow on to their normal use.
  • the cork canvas (1) according to the embodiment of the present invention, will be cut to the width size of the unraveling roll (5) by means of cutting equipment, which may be manual or mechanical.
  • the manual cutting equipment used to cut the cork canvas (1) may be scissors or a utility knife.
  • the mechanical cutting equipment used to cut the cork canvas (1) may be the same as that used in the textile industry, as is the case, among others, of the electric vertical-blade scissors, electric circular-blade scissors, band saw, with automatic cut and laser cut.
  • the surpluses of cork canvas (1) originating from this sub- stage 1 are reused in different ways in the manufacture of clothing items produced from cork thread (3) .
  • the sub-stage 1 of preparing the cork canvas (1) ends with winding the cork canvas (1), previously cut according to the width size of the unraveling roll (5), onto the unraveling roll (5) .
  • This 1 st stage of cutting the cork canvas (1) includes the cutting per se of the cork canvas (1), by means of a cutting machine (6) into cork canvas strips (2) .
  • the cutting machine (6) represented in figure 1, comprises five components:
  • the width size of the unraveling roll (5), the traction roll (9) and the winding roll (10), may vary between 150.0 and 1000.0mm.
  • the unraveling roll (5) is not directly driven by any mechanical means, and it turns clockwise around its axis, by traction force of the cork canvas (1) which is pulled, in a first phase, across the traction roll (9) and subsequently by means of the winding roll (10) .
  • the traction roll (9), located beneath the guillotine mechanism and the set of blades (8), simultaneously with the winding roll (10) will respectively traction and pull the cork canvas (1) so as to perform, by means of the set of blades (8) represented in figures 1 and 5, the multiple cuts parallel and equidistant to each other, on the cork canvas (1) and subsequent production of the intermediate product, the cork canvas strips (2) .
  • the traction roll (9) and the winding roll (10) are both driven simultaneously clockwise around their respective axes, by means of the driving force of the motor (11) .
  • the winding roll (10), like the traction roll (9), will also pull the cork canvas (1) and simultaneously winds the cork canvas strips (2) .
  • the blades (8) present a rectangular trapezium shape, similar to the blades used in utility knifes.
  • the blades (8) are disposed in parallel and equidistant to each other, its set covering a distance equal to the width size of the traction roll (9) .
  • the blades (8) are disposed in parallel and at a distance of 1.0mm from each other.
  • the set of blades (8) will comprise 149 blades (8) .
  • the number of blades (8) may vary according to a width of the unraveling roll (5) .
  • the cork canvas strips (2), produced in the cutting machine (6), has a width between 1.0mm and 1.3mm and a height of about 1.0mm.
  • each of the cork canvas strips (2), produced in the cutting machine (6) depends on the length of the roll of the cork canvas (1) .
  • the set of blades (8) When the motor (11) is switched on, the set of blades (8) is at a lower position, as can be seen in figures 1, i.e. when the set of blades (8) is in contact with a cork canvas (1) .
  • the set of blades (8) represented in figure 5, is at a higher position, so as to enable the operator to handle the cork canvas (1), without being subject to any type of cut or scratch.
  • the operator lowers the set of blades (8) and switches on the motor (11) of the cutting machine (6), which will make the traction roll (9) and also the winding roll (10) turn clockwise simultaneously and at the same speeds.
  • This cycle of cutting the cork canvas (1) into cork canvas strips (2), ends when the cork canvas (2), which is wound on the unraveling roll (5), comes to an end.
  • the cutting machine (6) which will cut a cork canvas (1) into cork canvas strips, described previously, according to the embodiment of the present invention may be replaced by another more automated cutting machine (6) and that uses other cutting means, different to the set of blades (8), such as, among others, laser cutting.
  • the cork canvas strips (2) will be sprayed in all its extension, specifically throughout its length and also around the four sides of its perimeter, with an aqueous potato starch solution (4) .
  • the spraying of the cork canvas strips (2) with an aqueous potato starch solution (4) is carried out according to one of the respective embodiments of the present invention, in manual or automated form.
  • the manual way of spraying the cork canvas strips (2) with an aqueous potato starch solution (4) is carried out with a manual or electric sprinkler or sprayer.
  • the aqueous potato starch solution (4) is obtained by dissolving about 100. Og of potato starch powder in about 1.0L of water .
  • Sub-stage 2 Winding the cork canvas strips (2) onto the reel (7)
  • an automatic rewinder is used to wind the various cork canvas strips (2) onto the reel (9) .
  • each of the cork canvas strips (2) is manually fixed onto the reel (7) of the automated rewinder.
  • the sub-stage 2 which is also carried out according to embodiment of the present invention may also be suppressed, due to an improvement in the present process of manufacturing the cork thread (3) with low thickness.
  • This improvement of the present invention includes the cork canvas strips (2), when leaving the cutting machine (6), being automatically connected to a twisting machine (12) .
  • cork canvas strips (2) In this stage of twisting the cork canvas strips (2), two, three or ten cork canvas strips (2) are twisted around their respective axes and subsequently produce the end product, the cork thread (3) .
  • the cork thread between two and ten cork canvas strips (2) are twisted around their respective axes.
  • cork thread (3) does not present an entirely regular perimeter, regarding the number of faces or sides, and accordingly, nor does it present a fully cylindrical perimeter, as can be noted in figure 4.
  • the twisting of the two to ten cork canvas strips (2), twisted around their respective axes is carried out by means of one of the twisting machines (12) existing on the market for the respective effect.
  • Said twisting machine (12) will simultaneously pull two or three, up to a maximum of ten reels (7) with the cork canvas strips (2) to proceed with the respective twisting thereof, around their respective axes.
  • each of the cork canvas strips (2) is manually fixed onto the reel of the rewinder of the automated twisting machine (12) .
  • the twisting of the cork canvas strips (2), by way of the twisting machine (12), is carried out with the cork canvas strips (2) in tension, meaning the length, width and or thickness of the end product, the cork thread (3), presents the respective sizes similar to the sizes of the cork canvas strips (2) .
  • cork threads (3) comprised of two to ten cork canvas strips (2), respectively twisted around their respective axes, present a width varying between 1.0 and 1.3mm.
  • the stage of spraying the cork thread (3) with the aqueous potato starch solution (4) is carried out in identical fashion and also uses the same manual or mechanical means as used in the akin stage, specifically in the 2 nd stage of spraying the cork canvas strips (3) with the aqueous potato starch solution (4) .
  • the cork thread (3) produced in the prior stage, will be sprayed in all its extension, specifically throughout its length and also around its perimeter, comprised by the sides of each of the two to ten cork canvasses twisted around their respective axes.
  • the spraying of the cork thread (3) with an aqueous potato starch solution (4) is carried out according to one of the respective embodiments of the present invention, in manual or automated form.
  • the manual way of spraying the cork threads (3) with an aqueous potato starch solution (4) is carried out with the use of a sprinkler or a manual or electric sprayer.
  • This aqueous potato starch solution (4) is also obtained by dissolving about 100. Og of potato starch powder in about 1.0L of water.
  • the cork thread (3) described in the present invention, comprises between two and ten cork canvas strips (2) twisted around their respective axes.
  • cork canvas strips (2) which consist of cork (3), are impregnated with a potato starch solution (4), in all its extension, specifically throughout its length and also around each of the four sides of its perimeter, as is also the case of the side that includes a cotton fabric.
  • the potato starch solution (4) will also be impregnated around the perimeter of the cork thread (3), which is comprised by the sides of the two to ten cork canvas strips
  • the cork canvas strips (2), which constitute the cork thread (3), in a cross-sectional cut present a rectangular profile, and with a height of 1.0mm and a width varying between 1.0 and 1.3mm and with a minimum length of 40.0m.
  • cork thread (3) Since it is made by the twisting or intertwining of two, three to ten cork canvas strips (2), the cork thread (3) does not present a fully cylindrical perimeter, as can be noted in figure 4.
  • the minimum width of the cork thread (3) varies within an interval of between 1.0 and 1.3mm.
  • (3) may present different widths at various points, and these widths vary between 1.0 and 1.3mm.
  • the cork thread (3) may have a superior width to the aforementioned minimum width, specifically varying within an interval between 1.0 and 1.3mm.
  • the length of each of the cork canvas strips (2), which constitute the cork thread (3) is at least 40.0m, according to the length of the roll of the raw material, specifically the roll of the cork canvas (1) .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Manufacture Of Wood Veneers (AREA)

Abstract

La présente invention concerne un procédé de fabrication d'un fil de liège (3) de faible épaisseur, qui comprend séquentiellement quatre étapes principales, notamment la découpe d'une toile de liège (1) en bandes de toile de liège (2), la pulvérisation sur les bandes de toile de liège (2) d'une solution aqueuse d'amidon de pomme de terre (4), la torsion des bandes de toile de liège (2) et enfin la pulvérisation sur le fil de liège (3) de la solution aqueuse d'amidon de pomme de terre (4). Le fil de liège (3) de faible épaisseur, ainsi que les bandes de toile de liège (2) respectives, torsadées autour de leur axe respectif, sont imprégnés d'une solution aqueuse d'amidon de pomme de terre (4).
PCT/PT2017/050025 2016-09-30 2017-09-29 Procédé de fabrication d'un fil de liège de faible épaisseur Ceased WO2018063018A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PT109648A PT109648A (pt) 2016-09-30 2016-09-30 Processo de fabrico de um fio de cortiça com baixa espessura
PT109648 2016-09-30

Publications (1)

Publication Number Publication Date
WO2018063018A1 true WO2018063018A1 (fr) 2018-04-05

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ID=60574684

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/PT2017/050025 Ceased WO2018063018A1 (fr) 2016-09-30 2017-09-29 Procédé de fabrication d'un fil de liège de faible épaisseur

Country Status (2)

Country Link
PT (1) PT109648A (fr)
WO (1) WO2018063018A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020222045A1 (fr) 2019-05-01 2020-11-05 Pda Ecolab Stratifils et tissus pour composites renforcés par des fibres

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR463143A (fr) * 1913-10-02 1914-02-14 Ennio Cassoni Tresse ou tissu obtenus avec des filaments de liège, de n'importe quelle forme employés seuls ou unis à des fils d'autres matières
DE1221119B (de) * 1963-02-15 1966-07-14 Ronald Hirsch Marks Vorrichtung zum Herstellen von Garn aus einer Materialbahn
WO2002055767A1 (fr) * 2001-01-15 2002-07-18 Grindi S.R.L. Procede pour la fabrication d'un fil de liege, fil et tissu ainsi obtenus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015107149A1 (fr) * 2014-01-16 2015-07-23 Henkel Ag & Co. Kgaa Adhésif liquide à base d'amidon

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR463143A (fr) * 1913-10-02 1914-02-14 Ennio Cassoni Tresse ou tissu obtenus avec des filaments de liège, de n'importe quelle forme employés seuls ou unis à des fils d'autres matières
DE1221119B (de) * 1963-02-15 1966-07-14 Ronald Hirsch Marks Vorrichtung zum Herstellen von Garn aus einer Materialbahn
WO2002055767A1 (fr) * 2001-01-15 2002-07-18 Grindi S.R.L. Procede pour la fabrication d'un fil de liege, fil et tissu ainsi obtenus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
COSTUR_ART: "6 mm twisted cork strips (product data)", 14 September 2015 (2015-09-14), XP002778187, Retrieved from the Internet <URL:http://www.costur-art.com/en/cork-cord/2464-cork-yarn-5mm.html> [retrieved on 20180213] *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020222045A1 (fr) 2019-05-01 2020-11-05 Pda Ecolab Stratifils et tissus pour composites renforcés par des fibres

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