US3303255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for bonding thermoplastic materials
Assignee: ExxonMobil Oil Corp
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Filing: 1965-01-11
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Granted: 1967-02-07
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Expires: 1985-01-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick J Bracey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:31
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C66/00; B29C66/01; B29C66/344; B29C66/345; B29C66/3452; B29C66/50; B29C66/51; B29C66/54; B29C66/542; B29C66/545; B29C66/63; B29C66/70; B29C66/73; B29C66/735; B29C66/7352; B29C66/73521; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81411; B29C66/81415; B29C66/81417; B29C66/82; B29C66/824; B29C66/8242; B29C66/83; B29C66/832; B29C66/8322; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/135; B29C66/71; B29C66/81421; B29C66/81422; B29C66/818; B29C66/8181; B29C66/81815; B29C66/8182; B29C66/81825; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1044; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49909; Y10T29/49913; Y10T29/49915; Y10T29/49917; Y10T29/49925; Y10T29/49927
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A HEAT SEALING PROCESS WHICH COMPRISES FIRMLY CLAMPING A PLURALITY OF FLEXIBLE LAYERS OF WELDABLE THERMOPLASTIC MATERIAL IN SUPERIMPOSED RELATIONSHIP ALONG TWO SPACED AREA SEPARATED BY AN UNCLAMPED ELONGATED STRIP OF SAID SUPERIMPOSED LAYERS, PRESSING AN ELONGATED HEATED MEMBER AGAINST SAID ELONGATED STRIP WITH SUFFICIENT PRESSURE TO FLEX AND STRETCH SAID PLURALITY OF LAYERS THEREIN SUFFICIENTLY TO BRING THE FLEXED ARES OF EACH OF SAID LAYERS INTO SUBSTANTIALLY FUL CONTACT WITH EACH ADJOINING FLEXED LAYER AND MAINTAINING SAID PRESSURE UNTIL THE HEAT OF SAID MEMBER BONDS AT LEAST TWO OF SAID LAYERS TOGETHER ALONG SUBSTANTIALLY THE ENTIRE FLEXED LENGTH OF SAID ELONGATED STRIP.
Claim 2
Dependent Claim
103 words
A HEAT SEALING PROCESS WHICH COMPRISES FIRMLY CLAMPING A PLURALITY OF FLEXIBLE LAYERS OF WELDABLE THERMOPLASTIC MATERIAL IN SUPERIMPOSED RELATIONSHIP ALONG TWO SPACED AREA SEPARATED BY AN UNCLAMPED ELONGATED STRIP OF SAID SUPERIMPOSED LAYERS, PRESSING AN ELONGATED HEATED MEMBER AGAINST SAID ELONGATED STRIP WITH SUFFICIENT PRESSURE TO FLEX AND STRETCH SAID PLURALITY OF LAYERS THEREIN SUFFICIENTLY TO BRING THE FLEXED ARES OF EACH OF SAID LAYERS INTO SUBSTANTIALLY FUL CONTACT WITH EACH ADJOINING FLEXED LAYER AND MAINTAINING SAID PRESSURE UNTIL THE HEAT OF SAID MEMBER BONDS AT LEAST TWO OF SAID LAYERS TOGETHER ALONG SUBSTANTIALLY THE ENTIRE FLEXED LENGTH OF SAID ELONGATED STRIP.
References Cited (Backward Citations)
US789695A
Cited
US1939683A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |