Patent US2706165A successfully refreshed from Google Patents.
US2706165A
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Sealing method
Assignee: Tee Pak Inc
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Filing: 1953-05-14
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Granted: 1955-04-12
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Expires: 1973-05-14
Abstract
No abstract record available.
Inventors
- 👤 Paul H Korsgaard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:17
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/04; B29C65/24; B29C65/30; B29C65/305; B29C65/72; B29C66/00; B29C66/01; B29C66/02; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/342; B29C66/40; B29C66/41; B29C66/43; B29C66/70; B29C66/71; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81411; B29C66/81415; B29C66/81417; B29C66/816; B29C66/8161; B29C66/818; B29C66/8187; B29C66/81871; B29C66/82; B29C66/822; B29C66/8227; B29C66/83; B29C66/832; B29C66/8322; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29C66/91421; B29C66/91431; B29C66/9161; B29C66/91641; B29C66/91651; B29C66/91653; B29C66/919; H; H05; H05B; H05B6/00; H05B6/64; H05B6/78; B29C66/912; B29C66/9121; B29C66/91231; B29C66/96; B29C66/961; B29K; B29K2019/00; B29K2027/00; B29K2027/06; B29K2027/08; B29K2995/00; B29K2995/0037; B29K2995/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
THE METHOD FOR SEALING THERMOPLASTIC FILM WHICH COMPRISES APPLYING A HIGH FREQUENCY CURRENT TO A FILM SELECTED FROM THE GROUP CONSISTING OF VINYLIDENE CHLORIDEVINYL CHLORIDE COPOLYMER FILM AND ORIENTED RUBBER HYDROCHLORIDE FILM, WHILE SAID FILM IS IN ENGAGING CONTACT WITH ELECTRODES, WITH AT LEAST ONE OF SAID ELECTRODES BEING HEATED TO A TEMPERATURE BETWEEN ABOUT 200*F. AND 300*F. AND ABOVE THE HEAT DISTORTION TEMPERATURE OF THE FILM.
Claim 2
Independent Claim
67 words
THE METHOD FOR SEALING THERMOPLASTIC FILM WHICH COMPRISES APPLYING A HIGH FREQUENCY CURRENT TO A FILM SELECTED FROM THE GROUP CONSISTING OF VINYLIDENE CHLORIDEVINYL CHLORIDE COPOLYMER FILM AND ORIENTED RUBBER HYDROCHLORIDE FILM, WHILE SAID FILM IS IN ENGAGING CONTACT WITH ELECTRODES, WITH AT LEAST ONE OF SAID ELECTRODES BEING HEATED TO A TEMPERATURE BETWEEN ABOUT 200*F. AND 300*F. AND ABOVE THE HEAT DISTORTION TEMPERATURE OF THE FILM.
References Cited (Backward Citations)
US2457659A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-11 | 1958-10-11 | 1959-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-11 | 1962-10-11 | 1963-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-11 | 1966-10-11 | 1967-04-12 | $7700.00 | Window Closed / Lapsed |