US4251587A
Expired / Lapsed
US
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Sheet material and method of producing the same
Assignee: Mitsubishi Chemical Corp
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Filing: 1978-06-23
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Granted: 1981-02-17
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Expires: 1998-06-23
Abstract
Abstract A sheet material is formed of a base cloth consisting of a woven fabric, knit fabric, nonwoven fabric, or web material having a favorable form stablity and a short fiber material consisting at least partly of a natural fiber material, said sheet material having a structure in which said base cloth is covered on at least one surface with the short fiber material and a part of the short fiber material is stuffed into the gaps in the network of the base cloth so that the base cloth and short fiber material are substantially integrated with each other.
Inventors
- 👤 Koji Mimura
- 👤 Toru Takemura
- 👤 Yoshikazu Fujinaga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:32
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/26; B32B5/02; B32B5/022; B32B5/024; B32B5/026; B32B5/06; D; D04; D04H; D04H1/00; D04H1/40; D04H1/44; D04H1/46; D04H1/492; D04H1/498; B32B2250/00; B32B2250/20; B32B2262/00; B32B2262/02; B32B2262/0223; B32B2262/0246; B32B2262/0253; B32B2262/0261; B32B2262/0276; B32B2262/06; B32B2262/08; B32B2307/00; B32B2307/30; B32B2307/304; B32B2307/70; B32B2307/726; B32B2307/732; B32B2307/734; B32B2307/736; Y; Y10; Y10S; Y10S428/00; Y10S428/903; Y10S428/904; Y10T; Y10T442/00; Y10T442/30; Y10T442/3707; Y10T442/3724; Y10T442/3756
Claims Analysis
Total Claims: 32
Claim 1
Independent Claim
70 words
A method of producing sheet materials, comprising: laminating a web material of a short fiber material consisting at least partly of a natural fiber material on a base cloth formed of fibers having a latent shrinkability; subjecting said laminate to high pressure liquid jet streams on said web material surface so that said base cloth and web material are substantially integrated with each other; and then shrinking the obtained sheet.
Claim 2
Independent Claim
70 words
A method of producing sheet materials, comprising: laminating a web material of a short fiber material consisting at least partly of a natural fiber material on a base cloth formed of fibers having a latent shrinkability; subjecting said laminate to high pressure liquid jet streams on said web material surface so that said base cloth and web material are substantially integrated with each other; and then shrinking the obtained sheet.
Claim 3
Dependent Claim
15 words
The method of claim 1, wherein said base cloth is a knit or woven fabric.
Claim 4
Dependent Claim
11 words
The method of claim 1, wherein said material is temporarily bonded.
Claim 5
Dependent Claim
16 words
The method of claim 1, wherein said web material is formed directly on said base cloth.
Claim 6
Dependent Claim
22 words
The method of claim 1, wherein the weight ratio of said base cloth to said short fiber material is 1:4 to 4:1.
Claim 7
Dependent Claim
12 words
The method of claim 1, wherein said short fiber material is wool.
Claim 8
Dependent Claim
21 words
The method of claim 1, wherein said short fiber material consists of a blend of wool and a second fiber material.
Claim 9
Dependent Claim
17 words
The method of claim 1, wherein said short fiber material is feathers, down or a mixture thereof.
Claim 10
Dependent Claim
23 words
The method of claim 1, wherein said short fiber material consists of feathers, down, or a mixture thereof and a second fiber material.
Claim 11
Dependent Claim
19 words
The method of claim 1, wherein said short fiber material consists of pulp and microfibers smaller than 1.0 denier.
Claim 12
Dependent Claim
20 words
The method of claim 1, wherein said short fiber material consists of collagen fibers and microfibers smaller than 1.0 denier.
Claim 13
Dependent Claim
43 words
The method of claim 11, wherein said base cloth constitutes 30 to 67% by weight of said sheet material and said collagen fibers and said microfibers constitute 3 to 40% by weight and 30 to 67% by weight respectively of said sheet material.
Claim 14
Dependent Claim
13 words
The method of claim 1, wherein said short fiber material is animal hair.
Claim 15
Dependent Claim
19 words
The method of claim 1, wherein said short fiber material consists of animal hair and a second fiber material.
Claim 16
Independent Claim
98 words
A method of producing sheet materials, comprising: laminating a web material of a short fiber material consisting at least partly of a natural fiber material on a base cloth formed of fibers having a latent shrinkability; subjecting said laminate to a high pressure liquid jet stream on said web material surface so that said base cloth and web material are substantially integrated with each other; shrinking said sheet, and then incorporating an elastic polymer in said integrated laminate in an amount of less than 50% based on the total weight of the base cloth and short fiber material.
Claim 17
Independent Claim
98 words
A method of producing sheet materials, comprising: laminating a web material of a short fiber material consisting at least partly of a natural fiber material on a base cloth formed of fibers having a latent shrinkability; subjecting said laminate to a high pressure liquid jet stream on said web material surface so that said base cloth and web material are substantially integrated with each other; shrinking said sheet, and then incorporating an elastic polymer in said integrated laminate in an amount of less than 50% based on the total weight of the base cloth and short fiber material.
Claim 18
Dependent Claim
15 words
The method of claim 15, wherein said base cloth is a knit or woven fabric.
Claim 19
Dependent Claim
12 words
The method of claim 15, wherein said web material is temporarily bonded.
Claim 20
Dependent Claim
16 words
The method of claim 15, wherein said web material is formed directly on said base cloth.
Claim 21
Dependent Claim
22 words
The method of claim 15, wherein the weight ratio of said base cloth to said short fiber material is 1:4 to 4:1.
Claim 22
Dependent Claim
12 words
The method of claim 15, wherein said short fiber material is wool.
Claim 23
Dependent Claim
21 words
The method of claim 15, wherein said short fiber material consists of a blend of wool and a second fiber material.
Claim 24
Dependent Claim
16 words
The method of claim 15, wherein said short fiber material is feathers, down or mixtures thereof.
Claim 25
Dependent Claim
25 words
The method of claim 15, wherein said short fiber material consists of a mixture of feathers, down or mixtures thereof and a second fiber material.
Claim 26
Dependent Claim
19 words
The method of claim 15, wherein said short fiber material consists of pulp and microfibers smaller than 1.0 denier.
Claim 27
Dependent Claim
20 words
The method of claim 15, wherein said short fiber material consists of collagen fibers and microfibers smaller than 1.0 denier.
Claim 28
Dependent Claim
46 words
The method of claim 25, wherein the amounts of said base cloth, collagen fibers, microfibers and elastic polymer are 30 to 67%, 3 to 4%, 30 to 67% and less than 10% respectively, based on the total weight of said base cloth, collagen fibers, and microfibers.
Claim 29
Dependent Claim
13 words
The method of claim 15, wherein said short fiber material is animal hair.
Claim 30
Dependent Claim
19 words
The method of claim 15, wherein said short fiber material consists of animal hair and a second fiber material.
Claim 31
Dependent Claim
10 words
The sheet material produced by the method of claim 1.
Claim 32
Dependent Claim
10 words
The sheet material produced by the method of claim 15.
References Cited (Backward Citations)
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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) | 1984-02-17 | 1984-08-18 | 1985-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-02-17 | 1988-08-18 | 1989-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-02-17 | 1992-08-18 | 1993-02-17 | $7700.00 | Window Closed / Lapsed |