Patent US3123508A successfully refreshed from Google Patents.
US3123508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding foam to fabric
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
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Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:31
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/20; B29C44/32; B29L; B29L2007/00; B29L2009/00; Y; Y10; Y10S; Y10S264/00; Y10S264/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A METHOD OF BONDING A FOAM TO A FA BRIC, COMPRISING, FORMING A SUBSTANTIALLY UNRESTRICTED FREELY RISING UNCURED FOAM OF POLYURETHANE ON A MOVING WEB FOR WHICH SUCH FOAM HAS LOW ADHESION, HEATING, FOAMING AND PARTIALLY CURING THE POLYURETHANE FOAM TO DEVELP A SURFACE SKIN THEREON, THEREAFTER BRINGING A MOVING LENGTH OF FABRIC FOR WHICH THE FORAM HAS HIGH ADHESION INTO DIRECT SURFACE CONTACT WITH THE FOAM, CURING THE FOAM AND DIRECTING THE WEB AND THE LENGTH OF FOAM COATED FABRIC ALONG DIVERGENT PATHS TO STRIP THE FOAM COATED FABRIC FROM THE WEB.
Claim 2
Independent Claim
93 words
A METHOD OF BONDING A FOAM TO A FA BRIC, COMPRISING, FORMING A SUBSTANTIALLY UNRESTRICTED FREELY RISING UNCURED FOAM OF POLYURETHANE ON A MOVING WEB FOR WHICH SUCH FOAM HAS LOW ADHESION, HEATING, FOAMING AND PARTIALLY CURING THE POLYURETHANE FOAM TO DEVELP A SURFACE SKIN THEREON, THEREAFTER BRINGING A MOVING LENGTH OF FABRIC FOR WHICH THE FORAM HAS HIGH ADHESION INTO DIRECT SURFACE CONTACT WITH THE FOAM, CURING THE FOAM AND DIRECTING THE WEB AND THE LENGTH OF FOAM COATED FABRIC ALONG DIVERGENT PATHS TO STRIP THE FOAM COATED FABRIC FROM THE WEB.
References Cited (Backward Citations)
GB278192A
Cited
US2628654A
Cited
US2866730A
Cited
US2841205A
Cited
US2962406A
Cited
US2879197A
Cited
US2956310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |