US3038833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing multiple ply fabric articles
Assignee: BTR Industries Ltd
•
Filing: 1958-08-21
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Granted: 1962-06-12
•
Expires: 1978-08-21
Abstract
No abstract record available.
Inventors
- 👤 Glover Wilfrid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:59
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29C; B29C65/00; B29C65/02; B29C65/14; B29C65/1429; B29C65/1432; B29C65/1454; B29C65/1464; B29C65/48; B29C65/4805; B29C65/481; B29C65/4815; B29C65/78; B29C65/7858; B29C65/7888; B29C65/7894; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/45; B29C66/70; B29C66/72; B29C66/729; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C66/83415; B29C66/83431; B29C66/83433; B29C65/18; B29C66/71; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1741
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
THE METHOD OF MAKING AN ARTICLE OF THE TYPE COMPRISING A PLURALITY OF SUPERPOSED PLIES OF FABRIC BONDED WITH A THERMOPLASTIC MATERIAL WHICH METHOD COMPRISES THE STEPS OF DISPOSING A PLURALITY OF SEPARATE WEBS OF FABRIC INCLUDING A THERMOPLASTIC MATERIAL IN SUPERPOSED FACE-TO-FACE CONTACTING RELATIONSHIP, PASSING THE WEBS IN CONTACTING RELATIONSHIP OVER A GUIDING SURFACE, SEPARATING THE WEBS AFTER THEY PASS OVER SAID GUIDING SURFACE, DIRECTING THE SEPARATED WEBS ALONG CONVERGING PATHS TO AGAIN BRING THEM INTO FACE-TO-FACE CONTACT, RADIANTLY HEATING THE ADJACENT FACES OF THE WEBS IMMEDIATELY AT THE REGION WHERE THE WEBS COME TOGETHER SUFFICIENTLY TO SOFTEN THE SAID THERMOPLASTIC MATERIAL, CONTACTING THE HEATING WEBS IN SUPERPOSED RELATIONSHIP IMMEDIATELY AFTER THE HEATING, SUBJECTING THE HEATING SUPERPOSED WEBS TO PRESSURE, AND COOLING THE SUPERPOSED WEBS TO A TEMPERATURE BELOW THE
Claim 2
Independent Claim
131 words
THE METHOD OF MAKING AN ARTICLE OF THE TYPE COMPRISING A PLURALITY OF SUPERPOSED PLIES OF FABRIC BONDED WITH A THERMOPLASTIC MATERIAL WHICH METHOD COMPRISES THE STEPS OF DISPOSING A PLURALITY OF SEPARATE WEBS OF FABRIC INCLUDING A THERMOPLASTIC MATERIAL IN SUPERPOSED FACE-TO-FACE CONTACTING RELATIONSHIP, PASSING THE WEBS IN CONTACTING RELATIONSHIP OVER A GUIDING SURFACE, SEPARATING THE WEBS AFTER THEY PASS OVER SAID GUIDING SURFACE, DIRECTING THE SEPARATED WEBS ALONG CONVERGING PATHS TO AGAIN BRING THEM INTO FACE-TO-FACE CONTACT, RADIANTLY HEATING THE ADJACENT FACES OF THE WEBS IMMEDIATELY AT THE REGION WHERE THE WEBS COME TOGETHER SUFFICIENTLY TO SOFTEN THE SAID THERMOPLASTIC MATERIAL, CONTACTING THE HEATING WEBS IN SUPERPOSED RELATIONSHIP IMMEDIATELY AFTER THE HEATING, SUBJECTING THE HEATING SUPERPOSED WEBS TO PRESSURE, AND COOLING THE SUPERPOSED WEBS TO A TEMPERATURE BELOW THE
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) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |