Patent US3236174A successfully refreshed from Google Patents.
US3236174A
Expired / Lapsed
US
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Sealing apparatus
Assignee: Individual
•
Filing: 1963-08-07
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Granted: 1966-02-22
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Expires: 1983-08-07
Abstract
No abstract record available.
Inventors
- 👤 Harold D Hutchinson
- 👤 William C Gregge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:03
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/84; B29C66/861; B29C65/00; B29C65/02; B29C65/18; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/81; B29C66/814; B29C66/8145; B29C66/81457; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29C66/91421; B29C66/91431; B29C66/9161; B29C66/91641; B65; B65B; B65B51/00; B65B51/10; B65B51/14; B65B51/148; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/83; B29C66/832; B29C66/8322; Y; Y10; Y10T; Y10T156/00; Y10T156/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A PORTABLE SEALING APPARATUS FOR SEALING A PORTION OF THE MARGINAL EDGES OF AN ARTICLE COMPRISING, IN COMBINATION; FIRST AND SECOND ELONGATED FLAT PLATES DISPOSED IN SIDE BY SIDE CO-PLANAR RELATIONSHIP TO DEFINE AN ELONGATED SLOT OPENING OF GIVEN WIDTH THEREBETWEEN; AN ELONGATED SEALING MEMBER HAVING A LOWER SEALING END RESILIENTLY SUPPORTED ABOVE SAID PLATES SO THAT SAID LOWER SEALING END MAY BE URGED DOWNWARDLY THROUGH SAID SLOT BETWEEN SAID PLATES; AND MEANS FOR HEATING SAID MEMBER WHEREBY SAID MARGINAL EDGES OF SAID ARTICLE ARE HELD IN POSITION BY PRESSING SAID PLATES THEREAGAINST SAID GIVEN WIDTH BEING LESS THAN THE WIDTH OF SAID MARGINAL EDGES, FURTHER PRESSURE SERVING TO LOWER SAID SEALING END OF SAID MEMBER THROUGH SAID SLOT TO ENGAGE DIRECTLY SAID PORTION OF SAID MARGINAL EDGES TO BE SEALED AND EFFECT HEAT SEALING THEREOF, SAID PLATES HOLDING SAID MARGINAL EDGES IN STATIONARY POSITION WHEN SAID SEALING END OF SAID MEMBER IS RAISED.
Claim 2
Dependent Claim
154 words
A PORTABLE SEALING APPARATUS FOR SEALING A PORTION OF THE MARGINAL EDGES OF AN ARTICLE COMPRISING, IN COMBINATION; FIRST AND SECOND ELONGATED FLAT PLATES DISPOSED IN SIDE BY SIDE CO-PLANAR RELATIONSHIP TO DEFINE AN ELONGATED SLOT OPENING OF GIVEN WIDTH THEREBETWEEN; AN ELONGATED SEALING MEMBER HAVING A LOWER SEALING END RESILIENTLY SUPPORTED ABOVE SAID PLATES SO THAT SAID LOWER SEALING END MAY BE URGED DOWNWARDLY THROUGH SAID SLOT BETWEEN SAID PLATES; AND MEANS FOR HEATING SAID MEMBER WHEREBY SAID MARGINAL EDGES OF SAID ARTICLE ARE HELD IN POSITION BY PRESSING SAID PLATES THEREAGAINST SAID GIVEN WIDTH BEING LESS THAN THE WIDTH OF SAID MARGINAL EDGES, FURTHER PRESSURE SERVING TO LOWER SAID SEALING END OF SAID MEMBER THROUGH SAID SLOT TO ENGAGE DIRECTLY SAID PORTION OF SAID MARGINAL EDGES TO BE SEALED AND EFFECT HEAT SEALING THEREOF, SAID PLATES HOLDING SAID MARGINAL EDGES IN STATIONARY POSITION WHEN SAID SEALING END OF SAID MEMBER IS RAISED.
References Cited (Backward Citations)
US2638964A
Cited
US3026237A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |