US3389896A
Expired / Lapsed
US
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Method and apparatus for heating thermoplastic containers for sealing
Assignee: Phillips Petroleum Co
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Filing: 1966-10-10
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Granted: 1968-06-25
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Expires: 1986-10-10
Abstract
No abstract record available.
Inventors
- 👤 Isaac L Wilcox
- 👤 Vincent W Jezerski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:23
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/10; B29C65/106; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/13; B29C66/131; B29C66/50; B29C66/51; B29C66/53; B29C66/534; B29C66/5346; B29C66/53461; B29C66/54; B29C66/542; B29C66/545; B29C66/61; B29C66/63; B29C66/70; B29C66/72; B29C66/723; B29C66/7232; B29C66/72327; B29C66/72328; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B65; B65B; B65B51/00; B65B51/10; B29C66/20; B29C66/24; B29C66/242; B29C66/2422; B29C66/24221; B29C66/2424; B29C66/24241; B29C66/71; B29C66/82; B29C66/822; B29C66/8222; B29C66/824; B29C66/8242
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
89 words
AN APPARATUS FOR HEATING THERMOPLASTIC-COATED CONTAINERS TO SOFTEN THE PLASTIC FOR HOT-MELT SEALING COMPRISING, IN COMBINATION, MEANS FOR SUPPORTING A CONTAINER, A MOVABLE HEATER HEAD CONTAINING A HEAT SOURCE MEANS AND A THERMAL ENERGY RADIATING MEANS, AND MEANS TO POSITION SAID HEATER OVER END OF SAID CONTAINER SO THAT A PORTION OF ONE SURFACE OF THE CONTAINER IS HEATED DIRECTLY FROM SAID HEAT SOURCE MEANS AND A PORTION OF THE OTHER SURFACE OF SAID CONTAINER IS HEATED FROM THE RADIATION OF THERMAL ENERGY FROM SAID THERMAL ENERGY RADIATING MEANS.
References Cited (Backward Citations)
US1345188A
Cited
US3147794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |