US3577607A - Separable fastening fabric - Google Patents

Separable fastening fabric Download PDF

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Publication number
US3577607A
US3577607A US3577607DA US3577607A US 3577607 A US3577607 A US 3577607A US 3577607D A US3577607D A US 3577607DA US 3577607 A US3577607 A US 3577607A
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Prior art keywords
fabric
separable fastening
fiber loops
outstanding
fiber
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Expired - Lifetime
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Yasaburo Ikoma
Ikuta Yabu
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IKOMA ORIMONO CO Ltd
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IKOMA ORIMONO CO Ltd
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    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44BBUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B18/00Fasteners of the touch-and-close type; Making such fasteners
    • A44B18/0023Woven or knitted fasteners
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00Buckles, buttons, clasps, etc.
    • Y10T24/27Buckles, buttons, clasps, etc. including readily dissociable fastener having numerous, protruding, unitary filaments randomly interlocking with, and simultaneously moving towards, mating structure [e.g., hook-loop type fastener]
    • Y10T24/2733Buckles, buttons, clasps, etc. including readily dissociable fastener having numerous, protruding, unitary filaments randomly interlocking with, and simultaneously moving towards, mating structure [e.g., hook-loop type fastener] having filaments formed from continuous element interwoven or knitted into distinct, mounting surface fabric
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00Buckles, buttons, clasps, etc.
    • Y10T24/27Buckles, buttons, clasps, etc. including readily dissociable fastener having numerous, protruding, unitary filaments randomly interlocking with, and simultaneously moving towards, mating structure [e.g., hook-loop type fastener]
    • Y10T24/2775Buckles, buttons, clasps, etc. including readily dissociable fastener having numerous, protruding, unitary filaments randomly interlocking with, and simultaneously moving towards, mating structure [e.g., hook-loop type fastener] having opposed structure formed from distinct filaments of diverse shape to those mating therewith

Abstract

A separable fastening fabric for engagement of a first and second fabric in face-to-face relation comprising a number of fiber loops in the shape of curved bridges outstanding from the first fabric and a number of engaging projections outstanding from the second fabric which engage to said fiber loops, two feet of each fiber loop being fixed onto the first fabric with an interval from each foot, said fiber loops being crossed zigzag one another. Owing to the above-mentioned structure, two fabrics of the separable fastening fabric easily engage, the engaging strength is high and also durability of the separable fastening fabric is long.

Description

United States Patent lnventors Appl. No.

Filed Patented Assignee Priority SEPARABLE FASTENING FABRIC 6 Claims, 10 Drawing Figs.

US. Cl...

Int. Cl Field of Search Yasaburo lkoma;

lkuta Yabu, Sumiyoshi-ku, Osaka, Japan 736,838

June 13, 1968 May 4, 1971 lkoma Orirnono Co., Ltd.

Osaka, Japan June 19, 1967 Japan References Cited UNITED STATES PATENTS 5/1967 Marforio 3,320,649 5/1967 Naimer 3,405,430 10/1968 Sidelman Primary Examiner-Bernard A. Gelak Att0mey0lson, Trexler, Wolters and Bushnell ABSTRACT: A separable fastening fabric for engagement of a first and second fabric in face-to-face relation comprising a number of fiber loops in the shape of curved bridges outstand- SEPARABLE FASTENING FABRIC This invention relates to an improvement of separable fastening fabrics and more particularly to an improvement of the structure of fiber loops outstanding from a first fabric of said separable fastening fabric which is so constructed as to engage to projections outstanding from a second fabric.

There is known in the prior art a type of separable fastening fabric for engagement of a first and second fabric in face-toface relation comprising a number of loops outstanding from the first fabric and a number of engaging projections outstanding from the second fabric so that said engaging projections engage said loops so as to bring into engagement the first and second fabric. In the prior art, the loops outstanding from the first fabric are formed in such configuration that 2 feet of each loop are fixed onto the first fabric at one point and said loop outstands outwardly from said point. In US. Pat. No. 3,138,841, for example, there is shown a separable fastening fabric which has a number of fiber loops with the above-mentioned configuration outstanding from a first fabric and a number of engaging projections with mushroomlike configuration outstanding from a second fabric. Japanese Pat. Publication No. 52,260 also shows a separable fastening fabric which has a number of fiber loops with the above-mentioned configuration outstanding from a first fabric and a number of engaging hooks outstanding from a second fabric. Fabric loops with the above-mentioned configuration, however, have such defects because of their weak-kneed structure that they easily fall down, lose their original shapes and become long and slender so that they would lose their functions as loops, the outstanding directions often become unified so that their abilities in being engaged to engaging projections or hooks outstanding from the second fabric become lower and lower and thus the engaging strength between the first and the second fabric becomes very low without long use.

Accordingly, it is a primary object of the present invention to provide a separable fastening fabric having strong-kneed fiber loops outstanding from the first fabric so that falling down and losing the original shapes of the fiber loops hardly occurs and thus the durability of the separable fastening fabric is long.

Another object of the present invention is to provide a separable fastening fabric which has a high rate of engagement between fiber loops outstanding from the second fabric and also has high engaging strength between the first and second fabric.

A separable fastening fabric according to the present invention is made of a first and second fabric comprising a number of fiber loops in the shape of curved bridges outstanding from the first fabric and a number ofengaging projections outstanding from the second fabric which engage to said fiber loops, 2 feet of each fiber loop being fixed onto the first fabric with an interval from each other, said fiber loops being crossed zigzag one another. Owing to the above-mentioned structure of fiber loops outstanding from the first fabric said fiber loops become much strong-kneed because of the existence of an interval between 2 feet of each fiber loop so that said fiber loops do not fall down easily and the durability of the separable fastening fabric becomes very long. In addition, owing to zigzag crossed structure of the fiber loops, said loops are arranged in different directions alternatively so that said loops are easily engaged to engaging projections and thus engaging Owing strength between first and second fabric is very high. Furthermore, the fiber loops with said configuration have a reasonable resistance against cutting off in case of separating the fastening fabric.

The present invention will become more readily apparent as the specification is considered in conjunction with the accompanying drawings in which:

FIG. l is a transverse sectional view of the separable fastening fabric according to the present invention shown in an engaged state;

FIG. 2 is a plan view of a first fabric of the separable fastening fabric according to the present invention:

FIG. 2a is a fragmentary perspective view of FIG. 2;

FIG. 3 is an enlarged structural view of another embodimerit of the first fabric according to thepresent invention;

FIG. 3a is a fragmentary perspective view of FIG. 3;

FIG. 4 is a transverse sectional view of the first fabric shown in FIG. 3;

FIG. 5 is a plan view of a second fabric of the separable fastening fabric according to the present invention;

FIG. 6 is a transverse sectional view along A-A in FIG. 5;

FIG. 7 is an enlarged sectional view of an engaging projection outstanding from the second fabric shown in FIG. 5;

FIG. is a transverse sectional view of another embodiment of the second fabric according to the present invention.

Referring now to the drawings, in which like reference numerals designate like parts throughout the several views thereof, there is shown an embodiment of the present invention in FIG. I. The first fabric 20 and the second fabric 21 are in engagement, that is, the separable fastening fabric is in a fastened state. A number of arclike or parabolalike curved fiber loops 22 outstand from the first fabric 20 and 2 feet of each fiber loop 22 are fixed onto the material fabric 25 of the first fabric 20 with an interval from each foot respectively. A number of engaging projections 26 outstands from the second fabric 21 and the foot of each engaging projection 26 is fixed onto the material fabric 27 of the second fabric 21. In the en gaged state of two fabrics 20 and 2t, as shown in FIG. 1, the engaging projections 26 are engaged to the fiber loops 22 and said two fabrics are not able to be removed with ease from each other.

There is shown in FIG. 2 an embodiment of the first fabric 20 in which fiber loops 22 in the shape of curved bridges outstand from the first fabric 20. Said loops 22 are arranged zigzag, as shown in FIG. 2, and each foot 23 and 24 is fixed onto the material fabric 25 with an interval. Said material fabric 25 is made of synthetic fibers such as polyamide fibers and the fiber loops 22 are made of synthetic fibers, preferably nylon.

A method for producing the first fabric shown in FIG. 2 is such that nylon yarns are interwoven at suitable intervals between warps and fillings of polyamide yarns with high shrinking property in case of weaving the material fabric 25, thus produced woven fabric is immersed in hot water with a temperature of about 98 C. for about 10 minutes so that the polyamide yarns in the material fabric shrink in such a dimension as, for example, one fourth of the original dimension and thus almost unshrinkable nylon yarn outstands from the material fabric in the configuration of fiber loops, and thus produced fabric is cut diagonally to produce the first fabric shown in FIG. 2. In this case, the interval between each foot 23 and 24 of each fiber loop 22 is set up about 2 mm. and the density of fiber loops 22 is set up about 100 loops per emf. Said fiber loops may well be split into individualized fibers. The back of the material fabric 25 is treated with resin to give some rigidity for the purpose of easily handling and using. Said treating is performed in such a way that the mixture of acrylresin of 95 percent and melamine-resin of 5 percent is applied on said back of the material fabric 25 and said fabric is treated at high temperature, for example, at C. for short period, for example, for 10 minutes.

There is shown in FIG. 3 and FIG. 4 another embodiment of the first fabric 20 of the separable fastening fabric according to the present invention. Said first fabric 20 is produced in such a way that arclike or parabolalike fiber loops 22 in the shape of curved bridges are formed in crocheted material fabric 25 with warps 28 and fillings 29 of synthetic fiber. The interval between each foot 23 and 24 of each fiber loop 22 is set up about 2 mm. as stated relating to the first fabric shown in FIG. 2. The density of said fiber loops 22 and treating the back of material fabric 25 with resin are both similar to those of the first fabric shown in FIG. 2. For forming fiber loops 22 in this case, synthetic fiber yarns are crocheted in crocheted material fabric 25 in the shape of loops by the method known in the prior art.

There is shown in FIG. 5 and FIG. 6 an embodiment of the second fabric 21 of a separable fastening fabric according to the present invention in which a number of engaging projections 26 in the shape of mushroomlike structure outstand from the material fabric 27 of the second fabric 21. Said mushroomlike engaging projections 26 have caps 30 and shafts 31, as shown in H6. 7, and engage the fabric loops 22 of the first fabric 20 at the bottom surfaces 32.

ln producing the second fabric 21 shown in FIG. 5 and FIG. 6, such synthetic fiber yarns as polypropyrene are piled at suitable intervals in the material fabric 27 made of such synthetic fiber as nylon, the tops of thus formed piles with looplike configuration are cut off, cut tops of the piles are fused to form the aforesaid caps 30 by heating said tops at a temperature of about 360380 C. for a short period. The density of said engaging projections 26 is set up 60 projections per 1 cm. of material fabric 27. The back of the material fabric 27 is treated with resin for the convenience of handling and using, as previously stated relating to the first fabric 20. In treating with resin, the mixture of acryl-resin of 70 percent and melamine-resin of 30 percent is applied to the back of the material fabric 27 and said mixture is heated at a temperature of about 120 C. for about minutes. By treating the back of the material fabric 27 with resin having the above composition, the second fabric 21 becomes more rigid than the first fabric which is treated with resin having the resin composition stated relating to the fabric shown in FIG. 2. This high rigidity of the second fabric 21 is preferable, because fastening and removing of the fastener are usually performed with the second fabric 211 by hand.

In FIG. 8, there is shown another embodiment of the second fabric 21 of a separable fastening fabric according to the present invention in which engagingprojections 26 are formed I are all the same as the ones of the second fabric shown in FIGS. 5 and 6.

The particular advantage of the present invention is that it provides a separable fastening fabric having high durability and high engaging strength as detailed before.

Having now described the invention and having exemplified the manner in which it can be carried into practice, it will be apparent to those skilled in the art that innumerable variations, applications, modifications and extensions of the basic principles involved may be made without departing from its scope. The invention is to be limited, therefore, only by the scope of the appended claims.

We claim:

1. A separable fastening fabric for engagement of a first and second fabric in face-to-face relation comprising a number of fiber loops in the shape of curved bridges outstanding from the first fabric and a number of engaging projections outstanding from the second fabric which engage said fiber loops, each of said fiber loops including a pair of feet being fixed to the first fabric with a predetermined interval therebetween, said fiber loops being crossed zigzag one another.

2. A separable fastening fabric according to claim I in which the first fabric is a crocheted one.

3. A separable fastening fabric according to claim 1 which the first fabric is a woven one.

4. A separable fastening fabric according to claim 1 which the engaging projections are formed in the shape mushrooms.

5. A separable fastening fabric according to claim 1 which the engaging projections are formed as hooks.

6. A separable fastening fabric according to claim 1 which the fastening fabric is made of synthetic fibers.

in of

Claims (6)

1. A separable fastening fabric for engagement of a first and second fabric in face-to-face relation comprising a number of fiber loops in the shape of curved bridges outstanding from the first fabric and a number of engaging projections outstanding from the second fabric which engage said fiber loops, each of said fiber loops including a pair of feet being fixed to the first fabric with a predetermined interval therebetween, said fiber loops being crossed zigzag one another.
2. A separable fastening fabric according to claim 1 in which the first fabric is a crocheted one.
3. A separable fastening fabric according to claim 1 in which the first fabric is a woven one.
4. A separable fastening fabric according to claim 1 in which the engaging projections are formed in the shape of mushrooms.
5. A separable fastening fabric according to claim 1 in which the engaging projections are formed as hooks.
6. A separable fastening fabric according to claim 1 in which the fastening fabric is made of synthetic fibers.
US3577607D 1967-06-19 1968-06-13 Separable fastening fabric Expired - Lifetime US3577607A (en)

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Cited By (67)

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US3708837A (en) * 1970-05-13 1973-01-09 Kanebo Ltd An improved fabric fastener
US3748701A (en) * 1970-04-29 1973-07-31 Velcro Sa Soulie Adhesive element in cloth form
US3785012A (en) * 1968-12-03 1974-01-15 Velco France Flexible bands fitted with hooks for the fabrication of separable fastening devices
US3835508A (en) * 1971-12-10 1974-09-17 Norman & Co Pty Ltd Connecting means
US4142565A (en) * 1977-06-20 1979-03-06 Plunkett Sr Hermon L Insulating device for fluid conduit
US4216257A (en) * 1979-04-20 1980-08-05 Minnesota Mining And Manufacturing Company Strip material for forming flexible backed fasteners
US4290832A (en) * 1976-08-13 1981-09-22 Minnesota Mining And Manufacturing Company Method for making fasteners
US4290174A (en) * 1976-08-13 1981-09-22 Minnesota Mining And Manufacturing Company Separable fastener and article for making same
US4322875A (en) * 1980-03-31 1982-04-06 Minnesota Mining And Manfacturing Company Two strip materials used for forming fasteners
DE3306757A1 (en) * 1982-02-26 1983-09-29 Minnesota Mining & Mfg Band material under waermeeinwirkung molded hook device
US4454183A (en) * 1982-02-26 1984-06-12 Minnesota Mining And Manufacturing Company Strip material with heat-formed hooked heads
US4624116A (en) * 1983-12-09 1986-11-25 Milliken Research Corporation Loop pile warp knit, weft inserted fabric
US4672722A (en) * 1986-04-28 1987-06-16 Jmw Textiles Single tape closure construction
US4707893A (en) * 1985-05-08 1987-11-24 Kanebo Bell-Touch, Ltd. Fabric fastener
EP0289198A1 (en) * 1987-04-24 1988-11-02 THE PROCTER & GAMBLE COMPANY Loop fastening material for fastening device and method of making same
US4846815A (en) * 1987-01-26 1989-07-11 The Procter & Gamble Company Disposable diaper having an improved fastening device
FR2632830A1 (en) * 1988-06-16 1989-12-22 Aplix Sa Sheet-type support bearing loops, particularly for making up one of the two elements of a self-gripping (touch-and-close) closure, and method and machine for manufacturing it
US5032122A (en) * 1987-04-24 1991-07-16 The Procter & Gamble Company Loop fastening material for fastening device and method of making same
WO1992001401A1 (en) * 1990-07-18 1992-02-06 Minnesota Mining And Manufacturing Company Sheet of loop material, and garments having such loop material incorporated therein
US5100400A (en) * 1989-11-17 1992-03-31 Minnesota Mining And Manufacturing Company Disposable diaper with thermoplastic material anchored hook fastener portion
US5380313A (en) * 1987-06-19 1995-01-10 The Proctor & Gamble Company Loop fastening material for fastening device and method of making same
US5611791A (en) * 1988-05-13 1997-03-18 Minnesota Mining And Manufacturing Company Sheet of loop material, and garments having such loop material incorporated therein
US5614232A (en) * 1992-05-07 1997-03-25 Minnesota Mining And Manufacturing Method of making an interengaging fastener member
US5616394A (en) * 1988-05-13 1997-04-01 Minnesota Mining And Manufacturing Company Sheet of loop material, and garments having such loop material incorporated therein
US5692949A (en) * 1995-11-17 1997-12-02 Minnesota Mining And Manufacturing Company Back-up pad for use with abrasive articles
US5699593A (en) * 1996-08-30 1997-12-23 Minnesota Mining & Manufacturing Company Loop fastening material
US5715542A (en) * 1995-08-10 1998-02-10 The Procter & Gamble Company Bib having an improved fastener
US5761775A (en) * 1996-10-17 1998-06-09 Legome; Mark J. Mushroom and loop material closure system for high shear strength and low peel strength applications
US5852855A (en) * 1989-11-17 1998-12-29 Minnesota Mining And Manufacturing Company Disposable diaper with fastener
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US6460228B1 (en) * 2001-07-11 2002-10-08 Ling-Mei Li Monofilament interlaced loop surfaced and thin-profile fastener strip base material
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Cited By (126)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3785012A (en) * 1968-12-03 1974-01-15 Velco France Flexible bands fitted with hooks for the fabrication of separable fastening devices
US3748701A (en) * 1970-04-29 1973-07-31 Velcro Sa Soulie Adhesive element in cloth form
US3708837A (en) * 1970-05-13 1973-01-09 Kanebo Ltd An improved fabric fastener
US3835508A (en) * 1971-12-10 1974-09-17 Norman & Co Pty Ltd Connecting means
US4290174A (en) * 1976-08-13 1981-09-22 Minnesota Mining And Manufacturing Company Separable fastener and article for making same
US4290832A (en) * 1976-08-13 1981-09-22 Minnesota Mining And Manufacturing Company Method for making fasteners
US4142565A (en) * 1977-06-20 1979-03-06 Plunkett Sr Hermon L Insulating device for fluid conduit
US4216257A (en) * 1979-04-20 1980-08-05 Minnesota Mining And Manufacturing Company Strip material for forming flexible backed fasteners
US4322875A (en) * 1980-03-31 1982-04-06 Minnesota Mining And Manfacturing Company Two strip materials used for forming fasteners
DE3306757A1 (en) * 1982-02-26 1983-09-29 Minnesota Mining & Mfg Band material under waermeeinwirkung molded hook device
US4454183A (en) * 1982-02-26 1984-06-12 Minnesota Mining And Manufacturing Company Strip material with heat-formed hooked heads
US4624116A (en) * 1983-12-09 1986-11-25 Milliken Research Corporation Loop pile warp knit, weft inserted fabric
US4707893A (en) * 1985-05-08 1987-11-24 Kanebo Bell-Touch, Ltd. Fabric fastener
US4672722A (en) * 1986-04-28 1987-06-16 Jmw Textiles Single tape closure construction
US4846815A (en) * 1987-01-26 1989-07-11 The Procter & Gamble Company Disposable diaper having an improved fastening device
EP0289198A1 (en) * 1987-04-24 1988-11-02 THE PROCTER & GAMBLE COMPANY Loop fastening material for fastening device and method of making same
AU616654B2 (en) * 1987-04-24 1991-11-07 Procter & Gamble Company, The Loop fastening material for fastening device & method of making same
US5032122A (en) * 1987-04-24 1991-07-16 The Procter & Gamble Company Loop fastening material for fastening device and method of making same
US5380313A (en) * 1987-06-19 1995-01-10 The Proctor & Gamble Company Loop fastening material for fastening device and method of making same
US5643397A (en) * 1988-05-13 1997-07-01 Minnesota Mining And Manufacturing Company Equipment for forming a sheet of loop material
US5611791A (en) * 1988-05-13 1997-03-18 Minnesota Mining And Manufacturing Company Sheet of loop material, and garments having such loop material incorporated therein
US5616394A (en) * 1988-05-13 1997-04-01 Minnesota Mining And Manufacturing Company Sheet of loop material, and garments having such loop material incorporated therein
FR2632830A1 (en) * 1988-06-16 1989-12-22 Aplix Sa Sheet-type support bearing loops, particularly for making up one of the two elements of a self-gripping (touch-and-close) closure, and method and machine for manufacturing it
US5100400A (en) * 1989-11-17 1992-03-31 Minnesota Mining And Manufacturing Company Disposable diaper with thermoplastic material anchored hook fastener portion
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