Patent US1376441A successfully refreshed from Google Patents.
Patent US4900613A successfully refreshed from Google Patents.
US4900613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Comfortable fabrics of high durability
Assignee: EIDP Inc
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Filing: 1989-04-28
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Granted: 1990-02-13
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Expires: 2009-04-28
Abstract
Abstract Woven fabrics from blends of high and low modulus fibers provide comfort plus high durability to hard surface abrasion.
Inventors
- 👤 James R. Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 03:35
CPC Classifications
D; D03; D03D; D03D1/00; D03D1/0035; D03D1/0041; D03D15/00; D03D15/20; D03D15/208; D03D15/217; D03D15/283; D03D15/40; D03D15/41; D03D15/47; D03D15/50; D03D15/567; D03D25/00; D10; D10B; D10B2201/00; D10B2201/01; D10B2201/02; D10B2321/00; D10B2321/06; D10B2321/10; D10B2331/00; D10B2331/02; D10B2331/021; D10B2331/04; D10B2401/00; D10B2401/06; D10B2401/062; D10B2501/00; Y; Y10; Y10T; Y10T442/00; Y10T442/30; Y10T442/3065; Y10T442/3179; Y10T442/322; Y10T442/3228; Y10T442/326; Y10T442/3268; Y10T442/3976
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
147 words
A highly durable woven fabric made from yarns of discrete staple fibers having good textile aesthetics comprising 8-70% high modulus organic staple fibers having a modulus of greater than 200 g/dtex and a linear density of less than 10 decitex per fiber and 30-92% low modulus organic staple fibers having a modulus of less than 100 g/dtex and a linear density of less than 10 decitex per fiber and the fabric having a Specific Wyzenbeek Abrasion Resistance on at least one face of the fabric at least 25% greater than the Specific Wyzenbeek Abrasion Resistance on the same face of a greige fabric of the same basis weight and construction made from 100% of the high modulus staple fibers, the warp yarns of said fabric containing at least 15% of the high modulus organic staple fibers and at least 30% of the low modulus organic staple fibers.
Claim 2
Dependent Claim
147 words
A highly durable woven fabric made from yarns of discrete staple fibers having good textile aesthetics comprising 8-70% high modulus organic staple fibers having a modulus of greater than 200 g/dtex and a linear density of less than 10 decitex per fiber and 30-92% low modulus organic staple fibers having a modulus of less than 100 g/dtex and a linear density of less than 10 decitex per fiber and the fabric having a Specific Wyzenbeek Abrasion Resistance on at least one face of the fabric at least 25% greater than the Specific Wyzenbeek Abrasion Resistance on the same face of a greige fabric of the same basis weight and construction made from 100% of the high modulus staple fibers, the warp yarns of said fabric containing at least 15% of the high modulus organic staple fibers and at least 30% of the low modulus organic staple fibers.
Claim 3
Dependent Claim
79 words
The fabric of claim 1 wherein the low modulus staple fibers have been shrunk to the point where they lock the high modulus staple fibers in place such that the fabric has a Specific Wyzenbeek Abrasion Resistance on at least one face of the fabric at least 25% greater than the Specific Wyzenbeek Abrasion Resistance on the same face of a greige fabric of the same basis weight and construction made from 100% of the high modulus staple fibers.
Claim 4
Dependent Claim
121 words
A highly durable woven fabric made from yarns of discrete staple fibers having good textile aesthetics comprising 8-70% high modulus organic staple fibers having a modulus of greater than 200 g/dtex and a linera density of less than 10 decitex per fiber and 30-92% low modulus organic staple fibers having a modulus of less than 100 g/dtex and a linear density of less than 10 decitex per fiber and the fabric having a Specific Wyzenbeek Abrasion Resistance on at least one face of the fabric of greater than 5 cycles g/m 2 , the warp yarns of said fabric containing at least 15% of the high modulus organic staple fibers and at least 30% of the low modulus organic staple fibers.
Claim 5
Dependent Claim
121 words
A highly durable woven fabric made from yarns of discrete staple fibers having good textile aesthetics comprising 8-70% high modulus organic staple fibers having a modulus of greater than 200 g/dtex and a linera density of less than 10 decitex per fiber and 30-92% low modulus organic staple fibers having a modulus of less than 100 g/dtex and a linear density of less than 10 decitex per fiber and the fabric having a Specific Wyzenbeek Abrasion Resistance on at least one face of the fabric of greater than 5 cycles g/m 2 , the warp yarns of said fabric containing at least 15% of the high modulus organic staple fibers and at least 30% of the low modulus organic staple fibers.
Claim 6
Dependent Claim
52 words
The fabric of claim 3 wherein the low modulus staple fibers have been shrunk to the point where they lock the high modulus staple fibers in place such that the fabric has a Specific Wyzenbeek Abrasion Resistance on at least one face of the fabric of greater than 5 cycles/g/m 2 .
Claim 7
Dependent Claim
19 words
A fabric as in one of claims 1-4 wherein the low modulus and the high modulus fibers are crimped.
Claim 8
Dependent Claim
52 words
The fabric of claim 2 wherein the fabric has a Specific Wyzenbeek Abrasion Resistance one each face of the fabric at least 25% greater than the Specific Wyzenbeek Abrasion Resistance on either face of a greige fabric of the same basis weight and construction made from 100% of the high modulus fibers.
Claim 9
Dependent Claim
27 words
The fabric of claim 4 wherein the fabric has a Specific Wyzenbeek Abrasion Resistance on both faces of the fabric of greater than 5 cycles/g/m 2 .
Claim 10
Dependent Claim
88 words
A highly durable woven fabric made from yarns of discrete staple fibers and having good textile aesthetics comprising 8-70% high modulus organic staple fibers having a modulus greater than 200 g/dtex and 30-92% of low modulus organic staple fibers having a modulus of less than 100 g/dtex, the warp yarns of said fabric containing at least 15% of the high modulus organic fibers and at least 30% of the low modulus fibers, said fabric having a fabric tightness greater than 1.0 and a fiber tightness greater than 1.0.
Claim 11
Dependent Claim
88 words
A highly durable woven fabric made from yarns of discrete staple fibers and having good textile aesthetics comprising 8-70% high modulus organic staple fibers having a modulus greater than 200 g/dtex and 30-92% of low modulus organic staple fibers having a modulus of less than 100 g/dtex, the warp yarns of said fabric containing at least 15% of the high modulus organic fibers and at least 30% of the low modulus fibers, said fabric having a fabric tightness greater than 1.0 and a fiber tightness greater than 1.0.
Claim 12
Dependent Claim
29 words
A fabric as in one of claims 1, 3 or 8 wherein the staple fibers have a linear density of from about 1 to about 3 decitex per fiber.
Claim 13
Dependent Claim
53 words
A fabric according to claims 1, 3 or 8 wherein the yarns in the warp direction in the woven fabric are yarns comprised of both high modulus staple fibers and low modulus staple fibers and the yarns in the fill direction in the woven fabric are comprised of low modulus staple fibers only.
Claim 14
Dependent Claim
17 words
A fabric according to claim 10 wherein the yarns in the fill direction are comprised of cotton.
Claim 15
Dependent Claim
16 words
A fabric according to claims 1, 3 or 8 wherein the low modulus fiber is cotton.
Claim 16
Dependent Claim
19 words
The fabric of claim 12 in which the high modulus fiber is flame resistant and the cotton is flame-retarded.
Claim 17
Dependent Claim
26 words
The fabric of claims 1-13 in which additives incorporated in the fabric are in the range of 0-5 wt. % of the weight of the fabric.
Claim 18
Dependent Claim
20 words
A fabric according to claim 8 in which the yarn is comprised of an intimate blend of crimped staple fibers.
Claim 19
Dependent Claim
41 words
A fabric according to claim 8 in which the warp yarn is a sheath/core yarn of crimped staple fibers in which the high modulus fibers form the core and are locked in place by low modulus synthetic fibers comprising the sheath.
Claim 20
Dependent Claim
18 words
A fabric according to claims 1, 3 or 8 wherein the high modulus fiber is poly(p-phenylene terephthalamide) fiber.
Claim 21
Dependent Claim
25 words
A fabric of claims 1, 3 or 8 wherein the high modulus staple fiber is poly(p-phenylene terephthalamide) and the low modulus staple fiber is cotton.
Claim 22
Dependent Claim
18 words
A fabric according to claims 1, 3 or 8 wherein the low modulus fiber is a synthetic fiber.
Claim 23
Dependent Claim
22 words
A fabric according to claims 1, 3 or 8 wherein the low modulus fiber is a mixture of cotton and synthetic fiber.
Claim 24
Dependent Claim
33 words
A fabric according to claims 1, 3 or 8 wherein the fabric is a twill fabric in which the twist of the warp yarn is counter to the twill direction of the fabric.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-02-12 | 1993-08-14 | 1994-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-02-12 | 1997-08-14 | 1998-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-02-12 | 2001-08-14 | 2002-02-13 | $7700.00 | Window Closed / Lapsed |