Patent US5692777A successfully refreshed from Google Patents.
US5692777A
Expired / Lapsed
US
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Low permeability inflatable restraint fabric
Assignee: 3M Co
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Filing: 1995-04-27
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Granted: 1997-12-02
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Expires: 2015-04-27
Abstract
Abstract A stitch-bonded fabric suitable for use as an airbag.
Inventors
- 👤 Miroslav Tochacek
- 👤 Roger A. Brekken
- 👤 Paul E. Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:56
CPC Classifications
D; D04; D04B; D04B21/00; D04B21/14; D04B21/16; B; B60; B60R; B60R21/00; B60R21/02; B60R21/16; B60R21/23; B60R21/235; D04B21/165; D10; D10B; D10B2505/00; D10B2505/12; D10B2505/124; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1362; Y10T428/24; Y10T428/24033; Y10T442/00; Y10T442/40; Y10T442/45; Y10T442/456; Y10T442/463
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
An inflatable, passive restraint device comprising an: (a) airbag made from a stitch-bonded fabric, said fabric i) having first and second major surfaces, ii) comprising an elastomeric thermoplastic base web and a two-bar warp knit structure, iii) having a Mullen burst strength of at least about 1.7 MPa as measured by TEST METHOD A, iv) having a permeability of less than about 5 cm 3 /sec/cm 2 as measured by TEST METHOD B, and v) said stitch-bonded fabric having a lower strength and a greater elongation in the weft direction than in the warp direction; (b) an inflator component; and (c) a sensing component.
Claim 2
Dependent Claim
104 words
An inflatable, passive restraint device comprising an: (a) airbag made from a stitch-bonded fabric, said fabric i) having first and second major surfaces, ii) comprising an elastomeric thermoplastic base web and a two-bar warp knit structure, iii) having a Mullen burst strength of at least about 1.7 MPa as measured by TEST METHOD A, iv) having a permeability of less than about 5 cm 3 /sec/cm 2 as measured by TEST METHOD B, and v) said stitch-bonded fabric having a lower strength and a greater elongation in the weft direction than in the warp direction; (b) an inflator component; and (c) a sensing component.
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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) | 2000-12-01 | 2001-06-02 | 2001-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-12-01 | 2005-06-02 | 2005-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-12-01 | 2009-06-02 | 2009-12-02 | $7700.00 | Window Closed / Lapsed |