US3133656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stretch cap
Assignee: Continental Can Co Inc
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Filing: 1962-09-20
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Granted: 1964-05-19
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Expires: 1982-09-20
Abstract
No abstract record available.
Inventors
- 👤 Charles N Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:33
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/02; Y; Y10; Y10S; Y10S260/00; Y10S260/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
IN COMBINATION, A CYLINDRICAL CAP RECEIVED ABOUT A CYLINDRICL SURFACE OF A CONTAINER IN HERMETICALLY SEALED RELATION THEREWITH, SAID CAP COMPRISING A ONE-PIECE SHELL OF THIN INHERENTLY STRETCHABLE SHEET METAL PROVIDED WITH A TOP PANEL AND A SUBSTANTIALLY VERTICALLY DEPENDING CYLINDRICAL SKIRT PORTION OF INITIAL SMALLER INSIDE DIAMETER THAN THE CYLINDRICAL SURFACE OF SAID CONTAINER PRIOR TO APPLICATION THEREOF TO SAID SURFACE FOR EXPANSION THEREOF BEYOND ITS ELASTIC LIMIT WHEN FORCED DOWN OVER SAID CYLINDRICAL SURFACE, SAID CYLINDRICAL SKIRT PORTION FO THE SHELL BEING COATED INTERIORLY WITH A THIN ADHERENT FILM OF SEALING MATERIAL, WHICH IN THICKNESS RANGES FROM ABOUT 0.001 TO 0.017 OF AN INCH, SAID COATED CYLINDRICAL SKIRT PORTION OF THE SHELL BEING EXPANDED BEYOND ITS ELASTIC LIMIT WITH ATTENDANT STRETCHING OCCURRING IN THE FILM COATING THE SAME AND MOLDED TO THE SHAPE AND SIZE OF SAID CYLINDRICAL SURFACE IN HERMETICALLY SEALED RELATION THERETO TO STILL RETAIN IN SOME MEASURE ITS MOLDED CONDITION WHEN REMOVED FROM THE CYLINDRICAL SURFACE.
Claim 2
Dependent Claim
161 words
IN COMBINATION, A CYLINDRICAL CAP RECEIVED ABOUT A CYLINDRICL SURFACE OF A CONTAINER IN HERMETICALLY SEALED RELATION THEREWITH, SAID CAP COMPRISING A ONE-PIECE SHELL OF THIN INHERENTLY STRETCHABLE SHEET METAL PROVIDED WITH A TOP PANEL AND A SUBSTANTIALLY VERTICALLY DEPENDING CYLINDRICAL SKIRT PORTION OF INITIAL SMALLER INSIDE DIAMETER THAN THE CYLINDRICAL SURFACE OF SAID CONTAINER PRIOR TO APPLICATION THEREOF TO SAID SURFACE FOR EXPANSION THEREOF BEYOND ITS ELASTIC LIMIT WHEN FORCED DOWN OVER SAID CYLINDRICAL SURFACE, SAID CYLINDRICAL SKIRT PORTION FO THE SHELL BEING COATED INTERIORLY WITH A THIN ADHERENT FILM OF SEALING MATERIAL, WHICH IN THICKNESS RANGES FROM ABOUT 0.001 TO 0.017 OF AN INCH, SAID COATED CYLINDRICAL SKIRT PORTION OF THE SHELL BEING EXPANDED BEYOND ITS ELASTIC LIMIT WITH ATTENDANT STRETCHING OCCURRING IN THE FILM COATING THE SAME AND MOLDED TO THE SHAPE AND SIZE OF SAID CYLINDRICAL SURFACE IN HERMETICALLY SEALED RELATION THERETO TO STILL RETAIN IN SOME MEASURE ITS MOLDED CONDITION WHEN REMOVED FROM THE CYLINDRICAL SURFACE.
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) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |