US5124195A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible coated fibrous webs
Assignee: Honeywell International Inc
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Filing: 1990-01-10
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Granted: 1992-06-23
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Expires: 2010-01-10
Abstract
Abstract A coated web or composite having improved flexibility. The coated web of the present invention comprises at least one layer and preferably at least two layers. The layers comprise a fibrous web located or embedded with polymeric composition. The coated web is flexed sufficiently over at least a portion of the web surface to have improved flexibility properties. The web can be flexed in a single direction along the surface or randomly along the whole surface. Preferably, the web is flexed sufficiently to form a plurality of permanent creases or wrinkles. The coated web has improved flexibility, and at the same time, impact resistant properties, such as ballistic resistance, are substantially maintained compared to an unflexed web.
Inventors
- 👤 Gary A. Harpell
- 👤 Dusan C. Prevorsek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:57
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/04; B32B27/12; D; D06; D06N; D06N3/00; D06N3/0002; F; F41; F41H; F41H5/00; F41H5/02; F41H5/04; F41H5/0471; F41H5/0485; B32B2250/00; B32B2250/20; B32B2250/24; B32B2255/00; B32B2255/02; B32B2307/00; B32B2307/50; B32B2307/558; B32B2571/00; B32B2571/02; D06N2209/00; D06N2209/10; D06N2209/103; Y; Y10; Y10S; Y10S428/00; Y10S428/911; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1362; Y10T428/24; Y10T428/24355; Y10T428/24364; Y10T428/24446; Y10T428/24628; Y10T428/249921; Y10T428/249924; Y10T428/24994; Y10T428/249942
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
53 words
A fibrous web comprising at least one layer comprising unidirectionally oriented fibers coated with a polymer composition, wherein the coated web is fixed sufficiently over at least a portion of the web surface to form a plurality of permanent creases distributed over the web surface and to increase the flexibility of the web.
Claim 2
Dependent Claim
53 words
A fibrous web comprising at least one layer comprising unidirectionally oriented fibers coated with a polymer composition, wherein the coated web is fixed sufficiently over at least a portion of the web surface to form a plurality of permanent creases distributed over the web surface and to increase the flexibility of the web.
Claim 3
Dependent Claim
17 words
The fibrous web of claim 1 wherein the coated web is subjected to a uniform flexing load.
Claim 4
Dependent Claim
11 words
The fibrous web of claim 1 flexed in a single direction.
Claim 5
Dependent Claim
15 words
The fibrous web of claim 1 folded at a fold angle of at least 45°.
Claim 6
Dependent Claim
21 words
The fibrous web of claim 4 wherein the coated web is folded at a fold angle of from 45° to 180°.
Claim 7
Dependent Claim
23 words
The fibrous web of claim 1 wrapped at least once around itself or a rod having a diameter of at least 1/8 inch.
Claim 8
Dependent Claim
17 words
The fibrous web of claim 1 wherein the coated web is from 0.01 to 1 cm thick.
Claim 9
Dependent Claim
22 words
The fibrous web of claim 1 wherein the ballistic resistance is substantially maintained in the flexed web compared to the unflexed web.
Claim 10
Dependent Claim
29 words
The fibrous web as recited in claim 1 wherein the fibers have a tensile modulus of at least about 160 g/denier and an energy-to-break of at least 7 J/g.
Claim 11
Dependent Claim
16 words
The fibrous web as recited in claim 1 wherein there are from 2 to 500 layers.
Claim 12
Dependent Claim
16 words
The fibrous web as recited in claim 10 wherein there are from 60 to 120 layers.
Claim 13
Dependent Claim
17 words
The fibrous web as recited in claim 1 wherein there are from 2 to 10 prepreg layers.
Claim 14
Dependent Claim
25 words
The fibrous web as recited in claim 1 wherein the fiber is selected from the group consisting of polyolefins, polyvinyl alcohol, polyaramid and combinations thereof.
Claim 15
Dependent Claim
21 words
The fibrous web as recited in claim 1 wherein the polymer composition has a tensile modulus of less than 6000 psi.
Claim 16
Dependent Claim
76 words
A fibrous web comprising at least two adjacent fibrous elements, each element comprising a plurality of unidirectionally oriented fibers embedded in a polymer matrix, the fibers in adjacent layers at an angle of from 45° to 90° to each other, the fibrous web is flexed sufficiently over at least a portion of the web surface to form a plurality of permanent creases distributed over the web surface and have a drape ratio of greater than 1.
Claim 17
Dependent Claim
76 words
A fibrous web comprising at least two adjacent fibrous elements, each element comprising a plurality of unidirectionally oriented fibers embedded in a polymer matrix, the fibers in adjacent layers at an angle of from 45° to 90° to each other, the fibrous web is flexed sufficiently over at least a portion of the web surface to form a plurality of permanent creases distributed over the web surface and have a drape ratio of greater than 1.
Claim 18
Dependent Claim
25 words
The fibrous web as recited in claim 15 wherein the fiber is selected from the group consisting of polyolefins, polyvinyl alcohol, polyaramid and combinations thereof.
Claim 19
Dependent Claim
58 words
An article comprising at least one fibrous web comprising at least one layer comprising unidirectionally oriented fibers coated with a polymer composition, wherein the coated web is flexed sufficiently over at least a portion of the web surface to form a plurality of permanent creases distributed over the web surface and to increase the flexibility of the web.
Claim 20
Dependent Claim
58 words
An article comprising at least one fibrous web comprising at least one layer comprising unidirectionally oriented fibers coated with a polymer composition, wherein the coated web is flexed sufficiently over at least a portion of the web surface to form a plurality of permanent creases distributed over the web surface and to increase the flexibility of the web.
Claim 21
Dependent Claim
15 words
The article as recited in claim 17 in the form of a ballistic resistant vest.
Claim 22
Dependent Claim
17 words
The article as recited in claim 18 wherein the vest comprises a plurality of separate fibrous webs.
Claim 23
Dependent Claim
26 words
The article as recited in claim 19 wherein there are from 2 to 12 fibrous webs, with each fibrous web having from 2 to 20 layers.
Claim 24
Dependent Claim
24 words
The article as recited in claim 7 wherein the fiber is selected from the group consisting of polyolefins, polyvinyl alcohol, polyaramid and combinations thereof.
Claim 25
Dependent Claim
33 words
The fibrous web as recited in claim 1 comprising at least two layers of the unidirectionally oriented fibers, wherein the fibers in each layer are arranged at a predetermined angle from each other.
Claim 26
Dependent Claim
27 words
The fibrous web as recited in claim 21 wherein the fibers in each layer are arranged at an angle of from 45° to 90° to each other.
Claim 27
Dependent Claim
24 words
The fibrous web as recited in claim 1 wherein the coated web is flexed sufficiently to have a drape ratio of greater than 1.
Claim 28
Dependent Claim
19 words
The fibrous web as recited in claim 1 wherein the coated web exhibits substantially no voids prior to flexing.
Claim 29
Dependent Claim
34 words
The fibrous web as recited in claim 1 wherein the coated web is flexed in substantially the same direction as the direction of the unidirectionally oriented fibers in at least one of the layers.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-06-23 | 1995-12-23 | 1996-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-06-23 | 1999-12-23 | 2000-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-06-23 | 2003-12-23 | 2004-06-23 | $7700.00 | Window Closed / Lapsed |