US5554246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air infiltration barrier laminate and process for preparing same
Assignee: Tyco Plastics Services AG
•
Filing: 1995-01-12
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Granted: 1996-09-10
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Expires: 2015-01-12
Abstract
Abstract An air infiltration barrier laminate comprises a perforated laminate made from a woven polyolefin fabric, a resin, and a polyolefin film.
Inventors
- 👤 James Anwyll, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:56
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/12; B32B27/32; B32B3/00; B32B3/26; B32B3/266; B32B37/00; B32B37/14; B32B37/15; B32B37/153; B32B38/00; B32B38/04; B32B5/00; B32B5/02; B32B5/08; D; D06; D06N; D06N3/00; D06N3/0086; D06N3/0088; D06N3/04; D06N3/045; E; E04; E04B; E04B1/00; E04B1/62; B32B2262/00; B32B2262/02; B32B2262/0253; B32B2262/10; B32B2262/101; B32B2262/103; B32B2309/00; B32B2309/08; B32B2309/10; B32B2309/105; B32B2323/00; B32B2323/04; B32B2323/043; B32B2323/046; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T156/1057; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T442/00; Y10T442/30; Y10T442/3854; Y10T442/3886
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
58 words
A process for preparing an air infiltration barrier laminate, comprising: providing a woven polyolefin fabric; providing a polyolefin film; extrusion coating a layer of molten resin onto the woven polyolefin fabric; contacting the polyolefin film to the layer of resin, and laminating together the woven polyolefin fabric, the resin, and the polyolefin film; and perforating the laminated structure.
Claim 2
Dependent Claim
58 words
A process for preparing an air infiltration barrier laminate, comprising: providing a woven polyolefin fabric; providing a polyolefin film; extrusion coating a layer of molten resin onto the woven polyolefin fabric; contacting the polyolefin film to the layer of resin, and laminating together the woven polyolefin fabric, the resin, and the polyolefin film; and perforating the laminated structure.
Claim 3
Dependent Claim
27 words
The process according to claim 1, wherein the woven polyolefin fabric comprises high density polyethylene reinforcing filaments having a concentration of about 4.5×2.5 tape count per inch.
Claim 4
Dependent Claim
13 words
The process according to claim 1, wherein the resin is low density polyethylene.
Claim 5
Dependent Claim
15 words
The process according to claim 1, wherein the polyolefin film is linear low density polyethylene.
Claim 6
Dependent Claim
25 words
The process according to claim 1, wherein the resin is extruded to form a layer having a thickness from about 0.1 to about 400 mils.
Claim 7
Dependent Claim
24 words
The process according to claim 1, wherein the resin is extruded at a temperature from about 500 degrees F. to about 700 degrees F.
Claim 8
Dependent Claim
23 words
The process according to claim 1, wherein the contacting occurs at a pressure from about 10 to about 200 pounds per linear inch.
Claim 9
Dependent Claim
27 words
The process according to claim 1, wherein the apertures placed in the laminate during the perforating step have sizes from about 0.2 mil to about one-quarter inch.
Claim 10
Dependent Claim
29 words
The process according to claim 1, wherein the woven polyolefin fabric and polyolefin film are provided at a rate of from about 50 to about 500 feet per minute.
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) | 1999-09-10 | 2000-03-11 | 2000-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-09-10 | 2004-03-11 | 2004-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-09-10 | 2008-03-11 | 2008-09-10 | $7700.00 | Window Closed / Lapsed |