JP2008202180A - Dustproof clothes for clean room - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide dustproof clothes for a clean room, reducing rise of an air pressure in the dustproof clothes, preventing contamination and damage of a working object through suppressing flow of dust from an opening part, and excellent in feeling of wear and movability. <P>SOLUTION: The dustproof clothes for a clean room is so designed that an upper garment part and a lower garment part are unitedly formed, a waist belt of a width narrower than that of a belt-like meshy body of an appropriate width is extendably and contractably fixed to the meshy body, and the meshy body is sewn on the inside of the waist with the border part. Furthermore, a chest circumferential part has a dual structure of an outer cloth and an inner cloth, and a stretching member is set around the middle of the inner garment, and a sleeve edge and a bottom opening each have a dual structure of an inner sleeve and an outer sleeve, and an inner bottom and an outer bottom, and the inner sleeve and the inner bottom are each stuck and supported onto upper and lower 2 places, and an elastic member such as a rubber band is set around the middle of the places. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention is for a clean room for preventing a work object from being contaminated or damaged by dust generated from a worker's body or clothes in the manufacturing process of medical devices, pharmaceuticals, foods, semiconductors, electronic devices and the like. It relates to dust-proof clothing.

  In a work space where dustlessness is required, such as in a clean room, dust-proof clothing should be used to prevent the work object from being damaged or contaminated by dust flowing out of the worker's body or clothing. Wearing is required. Therefore, in this type of dust-proof clothing, a material having a low air permeability and a high barrier effect between the worker and the work space is used as well as the dust-proof clothing itself is not dust generating. Further, in order to improve the sealing performance, opening portions such as a collar, a cuff and a hem are provided with an elastic member such as a rubber band to improve the sealing performance.

  An example of a conventional standard cleanroom dustproof garment will be described with reference to FIG. 1. The dustproof garment main body 31 includes an upper garment part 32 that covers the wearer's waist and the lower garment part 33 that covers the waist and the lower part. In the dust-proof garment in the form of an integral tether, a detachable slide fastener 34 is provided downward from the collar of the upper garment portion 32. The collar portion of the upper garment portion 32 is a stand collar 35, and a pair of hooks and loops (registered trademark “magic tape”) and the like are attached to both ends thereof to block the neck opening.

  The cuff 37 and the hem 38 have a double structure of an outer sleeve 37a and an inner sleeve 37b, and an outer hem 38a and an inner hem 38b, respectively. A telescopic member 39 such as a rubber band is provided to close the member. Further, an elastic waist belt 40 made of a rubber band or the like is disposed in the vicinity of the waist in consideration of wearing feeling and operability.

  Thus, even in the conventional dustproof clothes for clean rooms, the sealing and blocking properties are satisfied. However, since the base of the dust proof clothing itself is not breathable, the pressure inside the dust proof clothing rises due to the operation during work, and the pumping action releases the sealed state of each opening and air flows out to the outside. Therefore, it is impossible to prevent the dust in the dust-proof clothing from leaking into the clean room.

  The increase in air pressure in the dust proof clothing does not necessarily occur uniformly throughout the dust proof clothing, but the pressure rises locally according to the wearer's movements, and usually covers the upper body with many work movements. Often occurs in the upper garment portion 32. In this case, the elastic waist belt 40 attached around the waist in consideration of the feeling of wear and operability blocks the air flow between the upper garment portion 32 and the lower garment portion 33, and as a result, contains dust. The part from which air is discharged tends to concentrate on the collar where the tightening force for maintaining a sealed state is most restricted. If the outflow of air concentrates on the collar, the air flow output becomes stronger, so more dust is released in the dust proof clothing, and the collar contacts the opening of the highest position in the dust proof clothing. There is a disadvantage that the diffusion range of the released dust becomes wider.

  In order to eliminate such inconvenience, there are also some that are provided with a ventilation path 41 etc. straddling the stretchable waist belt 40, but in this case, there are restrictions and limits on the setting location, width, etc. of the ventilation path 41 It is not necessarily effective enough. If effective ventilation is to be ensured by the conventional method as described above, the number of ventilation passages 41 must be increased, and as a result, there is a drawback in that it takes time and cost for sewing. .

Although the following proposals have been made regarding dust-proof clothing for clean rooms, none have been found to solve the above disadvantages.
JP 07-041209 A JP-A-11-189904 JP 2001-288610 A JP 2001-295110 A JP 2001-295127 A JP 2001-303314 A JP 2001-303315 A JP2003-073912 JP 2006-144189 A

  The present invention has been made in view of the disadvantages of the conventional dust proof clothing, which alleviates the pressure increase in the dust proof clothing due to work operations and suppresses the outflow of air from the opening and the accompanying dust to the work object. It is another object of the present invention to provide a dustproof clothing for a clean room which prevents damage and is excellent in wearing feeling and operability.

  In order to solve the above-mentioned problem, in the invention of claim 1, in a dustproof clothing for a clean room in which the upper garment portion and the lower garment portion are integrally formed, the boundary between the upper garment portion and the lower garment portion (around the waist) is provided. On the inner peripheral side, a wider belt-shaped mesh body having a stretchable waist belt fastened to the center in the longitudinal direction is sewn with an edge portion. This allowed air to flow between the upper garment and lower garment.

  In the invention according to claim 2, in the dustproof clothing for the clean room in which the upper garment portion and the lower garment portion are integrally formed, a portion of the upper garment portion extending from the upper waist to the side of the waist is separated from the outer cloth and the inner cloth. It has a heavy cloth structure and is characterized in that an elastic member such as a rubber band is provided in the middle of the inner cloth. This prevents the air from flowing up and down at the expansion member.

  In the invention of claim 3, in the dustproof clothes for the clean room in which the cuff part of the upper garment part has a double sleeve structure of the outer sleeve and the inner sleeve, the peripheral edge of one opening of the inner sleeve is inside the outer sleeve. It is characterized in that it is fastened in the vicinity of the cuff portion, the peripheral edge of the other opening is fastened to a predetermined portion inside the outer sleeve, and an elastic member such as a rubber band is provided in the middle of the inner sleeve. As a result, the vertical movement of the support position by the elastic member is suppressed.

  In the invention of claim 4, in the dust-proof clothing for a clean room having a double hem structure of the outer hem and the inner hem near the hem mouth portion of the lower garment portion, the one opening peripheral edge of the inner hem is the outer hem of the outer hem. The inner side is fastened to the vicinity of the hem and the other opening peripheral edge is fastened to a predetermined portion inside the outer hem, and an elastic member such as a rubber band is provided around the inner hem. And Thereby, the vertical movement of the support position by the elastic member is suppressed, and the floor rubbing of the hem portion is prevented.

  In the invention of claim 5, in the dustproof garment for the clean room of claim 4, a mesh ground is used for the material of the inner hem. As a result, unavoidable outflow of air is guided to the hem portion.

  In the dustproof clothes for the clean room according to the present invention, the stretchable waist belt is fixed to the wider belt-like mesh body, and further, this belt-like mesh body is attached in a state separated from the dust-proof clothing body, A free gap is formed between the elastic waist belt and the belt-like mesh body and the dust-proof clothing body (Claim 1). Therefore, even when the elastic waist belt is tightened around the waist of the wearer when worn, the elastic waist belt does not hinder the air flow, and from the upper and lower edges of the mesh body where the elastic waste belt is not disposed. Air can be circulated between the upper garment portion and the lower garment portion through the free gap. As a result, the air pressure in the upper garment and the lower garment can be leveled, and the outflow of air from the dust proof clothing opening (particularly the collar) and the accompanying leakage of dust and the like can be more effectively prevented.

  In addition, since the upper garment part from the upper part of the waist to the side part has a double structure of the outer cloth and the inner cloth, and an elastic member such as a rubber band is provided in the middle of the inner cloth (Claim 2), It is possible to more effectively prevent outflow of dust and the like generated in the lower part from the chest due to the tightening action by the elastic member.

  Also, the upper sleeves have a double sleeve structure with the outer sleeve and the inner sleeve with an elastic member such as a rubber band in the middle near the cuffs of the upper sleeve, and the inner sleeve is inside the outer sleeve and in the vicinity of the cuff. Since it is fastened and supported at two locations of the outer sleeve and a predetermined portion of the outer sleeve (Claim 3), the vertical movement of the support position of the wrist portion by the elastic member is suppressed, and the wearing feeling and workability are improved.

  Also, the lower garment part has a double hem structure with the outer hem near the outer hem and the inner hem with elastic members such as rubber bands in the middle. Because it is fastened and supported at two locations, the vicinity and the outer hem predetermined portion (Claim 4), the vertical movement of the support position of the ankle portion by the elastic member is suppressed, regardless of the length of the wearer's inseam size The length of the hem positioned downward from the ankle portion is fixed. Accordingly, the bottom part of the skirt hangs down and does not cause floor rubbing or the like.

  Further, in the invention of (Claim 4), by using mesh ground for the material of the inner skirt (Claim 5), unavoidable air outflow can be guided to the skirt part, so at least In the dust proof clothing, it is possible to prevent the outflow of air from the collar at the highest position and the accompanying leakage of dust and the like.

  Hereinafter, embodiments of the present invention will be described. 2 to 5 show an example of an embodiment according to the present invention. FIG. 2 is an overall front view of the dust-proof clothing for a clean room according to the present embodiment. FIG. 3 is a diagram from the waist to the chest of the dust-proof clothing. 4 is a partially cutaway explanatory view and a partial cross-sectional view of the dustproof garment near the cuffs, and FIG. 5 is a partially cutaway explanatory view of the dustproof garment near the hem opening. And FIG.

  As shown in FIG. 2, the dust-proof clothing main body 1 is a so-called tie-shaped clothing in which an upper garment portion 2 that covers the wearer's waist and the upper portion and a lower garment portion 3 that covers the wearer's waist and the lower portion are integrated. A detachable slide fastener 4 is provided near the front body of the upper garment part 2 from the neck downward. Moreover, the collar of the upper garment part 2 is a stand collar 5, and a pair of hooks and loops 6 for closing the neck are attached in the vicinity of both opening ends.

  An elastic waist belt 7 made of a rubber band or the like is provided around the waist in consideration of the operator's wearing feeling and work operability. The stretchable waist belt 7 is not directly fixed to the dust-proof clothing main body 1 except for its right and left edges, but is centered in the longitudinal direction of a breathable belt-like mesh body 8 having a wider width than the stretchable waist belt 7. It is sewn to the part in a stretchable manner. The mesh body 8 is sewn and fastened with an edge on the inner peripheral side near the boundary (waist circumference) between the upper garment part 2 and the lower garment part 3.

  In this way, the stretchable waist belt 7 is fastened to the wider mesh body 8, and the mesh body 8 is attached in a state of being separated from the dust-proof clothing body 1. A free gap 9 is formed between 8 and the dust-proof clothing body 1. Accordingly, even when the waist belt 7 is tightened around the waist of the wearer, high-pressure air flows from one of the upper and lower edges 8a or 8b of the mesh body 8 where the elastic waste belt 7 is not disposed, An air flow path through which the other upper and lower edge portions 8a or 8b flow out through the free gap 9 is secured.

  The upper garment part 2 has a double cloth structure consisting of an outer cloth 2a and an inner cloth 2b from the waist upper part to the side part, and the inner cloth 2b has a cylindrical cloth with both opening edge portions. It is sewn inside the outer cloth 2a. The vertical width (vertical width) of the inner cloth 2b is preferably set slightly wider than the corresponding vertical width of the outer cloth 2a so as to have appropriate play. An elastic band 10 is stretched around the inner cloth 2b and slightly around the side.

  Moreover, the both sleeves 11 of the upper garment part have a double sleeve structure of the outer sleeve 11a and the inner sleeve 11b. The inner sleeve 11b is formed by forming a cloth having a predetermined width into a cylindrical shape, and has one opening peripheral edge on the inner side of the outer sleeve 11a and fastened in the vicinity of the cuff 11c, and the other opening peripheral edge. The outer sleeve 11a is fastened in a state where a certain amount of play is provided at a predetermined position below the elbow. An elastic band 12 is stretched around the middle sleeve 11b and slightly closer to the cuff portion 11c. The cuff portion 11c is a portion where the opening edge portion of the outer sleeve 11a is sewed in a folded bag shape, and a rubber band 13 is provided in a retractable manner.

  On the other hand, both hems 14 of the lower garment part have a double hem structure of an outer hem 14a and an inner hem 14b, similar to the upper garment part both sleeves 11. The inner hem 14b is formed by forming a cloth having a predetermined width into a cylindrical shape, and has one opening peripheral edge on the inner side of the outer hem 14a and fastened in the vicinity of the hem opening 14c, and the other opening peripheral edge. Is fixed in a state in which a certain amount of play is provided at a predetermined position which is located on the inner side of the outer hem 14a and below the knee. A rubber band 15 is elastically attached around the inner hem 14b.

  In the present embodiment, the length (front-rear width) of the inner hem 14b is about 10 cm, but is not particularly limited to this, and when using a longer or shorter inner hem, The circumferential position of the rubber band 15 may be adjusted as appropriate, and it is preferable that the rubber band 15 be circumferentially positioned at a position about 5 cm to 10 cm from the hem opening end. Further, in this embodiment, in order to inevitably induce the inevitable outflow of air to the hem mouth portion, the material of the inner hem 14b is a breathable mesh ground, but is not particularly limited thereto, In addition to those generally used as materials for dust-proof clothing, any materials that can be applied as clothing materials may be used.

  As described above, in the dustproof clothes for the clean room according to the present invention, not only is the wear feeling and the operability excellent, but also the air pressure in the dustproof clothes is made uniform to suppress the rise, and the collar in the high position The outflow of air from the mouth or cuffs and the accompanying leakage of dust and the like can be effectively prevented, and is particularly useful in a downstream clean room that dislikes the outflow diffusion of dust from a high position.

The whole front view which shows the prior art example of the dustproof clothes for clean rooms. The whole front view of the dustproof clothes for clean rooms concerning the present invention. The partial notch explanatory drawing and the same fragmentary sectional view from the waist circumference of the dust-proof clothing to the chest circumference. Partial cutaway explanatory view and partial cross-sectional view near the cuffs of the dust-proof clothing Partial cutaway explanatory view and partial cross-sectional view near the hem of the dust proof clothing

Explanation of symbols

1: Dust-proof clothing body 2: Upper garment part 2a: Outer cloth 2b: Inner cloth 3: Lower garment part 4: Slide fastener 5: Stand collar 6: Face hook & loop 7: Elastic waist belt 8: Mesh body 9: Free gap 10 : Rubber band 11a: Outer sleeve 11b: Inner sleeve 12, 13: Rubber band 14a: Outer hem 14b: Inner hem
15: Rubber band

Claims (5)

  A dust-proof garment for a clean room in which the upper garment and lower garment are integrally formed, and an elastic waist belt with a narrower width is attached to a belt-like mesh body with an appropriate width so that it can expand and contract at the center in the longitudinal direction. A dustproof clothing for a clean room, wherein the mesh body, to which the elastic waist belt is attached, is sewn on the inner peripheral side near the boundary between the upper garment portion and the lower garment portion with an edge portion thereof.   A dustproof clothing for a clean room in which an upper garment and a lower garment are integrally formed. A dustproof clothing for a clean room, characterized by comprising elastic members such as rubber bands.   A dustproof clothing for a clean room that has a double sleeve structure with an outer sleeve and an inner sleeve near the cuff, and the inner peripheral edge of the inner sleeve is on the inner side of the outer sleeve and is fastened near the cuff. A dustproof garment for a clean room, characterized in that the peripheral edge of the opening is fastened to a predetermined portion inside the outer sleeve, and an elastic member such as a rubber band is provided in the middle of the inner sleeve.   A dust proof clothing for clean rooms that has a double hem structure with an outer hem and an inner hem near the hem and mouth, with one peripheral edge of the inner hem inside the outer hem and fastened near the hem A clean room dustproof garment characterized in that the other peripheral edge of the other opening is fixed to a predetermined portion inside the outer hem, and an elastic member such as a rubber band is provided in the middle of the inner hem.   5. The clean room dust proof clothing according to claim 4, wherein a mesh ground is used for the material of the inner hem.

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