US3210910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat sealing thermoplastic packages
Assignee: Phillips Petroleum Co
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Filing: 1961-08-07
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Granted: 1965-10-12
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Expires: 1981-08-07
Abstract
No abstract record available.
Inventors
- 👤 Charles L Seefluth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:04
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
MEANS FOR SEALING A THERMOPLASTIC UNIT COMPRISING MEANS TO LOCATE SAID UNIT IN SEALING POSITION, A BEAT SEALING ELEMENT, A SUBSTANTIALLY PLANAR THIN METAL FLEXIBLE MEMBER INTERPOSED BETWEEN AND SPACED APART FROM SAID UNIT AND SAID ELEMENT, SAID MEMBER BEING SUPPORTED BY ONE EDGE THEREOF AN ACUTE ANGLE WITH SAID SEALING ELEMENT, MEANS TO MOVE SAID ELEMENT AND SAID UNIT INTO SEALING ENGAGEMENT WHEREBY SAID ELEMENT CONTACTS SAID FLEXIBLE MEMBER AND SUPPLIES HEAT THERETHROUGH TOSEAL SAID UNIT AND OUT OF CONTACT WITH SAID MEMBER, WHEREBY SAID FLEXIBLE MEMBER IS REMOVED FROM CONTACT WITH SAID UNIT WITH A PEELING ACTION ALONG A SINGLE LINE OF CONTACT.
Claim 2
Dependent Claim
105 words
MEANS FOR SEALING A THERMOPLASTIC UNIT COMPRISING MEANS TO LOCATE SAID UNIT IN SEALING POSITION, A BEAT SEALING ELEMENT, A SUBSTANTIALLY PLANAR THIN METAL FLEXIBLE MEMBER INTERPOSED BETWEEN AND SPACED APART FROM SAID UNIT AND SAID ELEMENT, SAID MEMBER BEING SUPPORTED BY ONE EDGE THEREOF AN ACUTE ANGLE WITH SAID SEALING ELEMENT, MEANS TO MOVE SAID ELEMENT AND SAID UNIT INTO SEALING ENGAGEMENT WHEREBY SAID ELEMENT CONTACTS SAID FLEXIBLE MEMBER AND SUPPLIES HEAT THERETHROUGH TOSEAL SAID UNIT AND OUT OF CONTACT WITH SAID MEMBER, WHEREBY SAID FLEXIBLE MEMBER IS REMOVED FROM CONTACT WITH SAID UNIT WITH A PEELING ACTION ALONG A SINGLE LINE OF CONTACT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |