Patent US3208618A successfully refreshed from Google Patents.
US3208618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crown cap
Assignee: Rexam Beverage Can Co
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Filing: 1963-12-09
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Granted: 1965-09-28
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Expires: 1983-12-09
Abstract
No abstract record available.
Inventors
- 👤 Spector Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:06
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/32; B65D41/40; B65D41/42; B65D2401/00; B65D2401/15; B65D2401/35
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
371 words
A CROWN CAP COMPRISING A BODY HAVING A CROWN AND PERIPHERAL SKIRT SURROUNDING AND PROJECTING AWAY FROM THE CROWN, A SEALING LINER ADJACENT TO THE CROWN AND SURROUNDED BY THE SKIRT, SAID SKIRT INCLUDING A CURVED PORTION THAT IS JOINED TO THE CROWN, SAID SKIRT BEING CORRUGATED BY CIRCUMFERENTIALLY SPACED FLUTES FORMED IN AND EXTENDING FROM THE FREE END OF THE SKIRT TOWARD THE CROWN WITH THE SKIRT FORMING A CONTINUOUS HOOP SO THAT THE SKIRT MAY BE RADIALLY INWARDLY DISTENTED THROUGHOUT ITS ENTIRE EXTENT INTO GRIPPING ENGAGEMENT WITH A BEAD ON A CONTAINER NECK TO HOLD THE CAP IN PLACE ON THE CONTAINER NECK BY THE HOOP STRENGTH OF THE DISTENDED SKIRT, FIRST, SECOND AND THIRD CIRCUMFERENTIALLY SPACED TEAR TABS ON THE BODY TO FACILITATES REMOVAL OF THE CAP FROM THE CONTAINER NECK, SAID TABS EACH PROJECTING TOWARD THE CROWN AND EACH BEING DEFINED BY A GENERALLY U-SHAPED SLIT IN THE BODY WITH THE BIGHT BEING OF U DEFINING THE END OF THE TAB AND WITH SAID BIGHT BEING SUBSTANTIALLY ENTIRELY IN THE SKIRT, THE PORTIONS OF THE SLIT DEFINING THE SIDES THEREOF TERMINATING AT SPACED POINTS ADJACENT TO BUT SPACED FROM SAID FREE END OF THE SKIRT SO THAT ANY TAB MAY BE PULLED TO TEAR THE PART OF THE SKIRT BETWEEN THE ENDS OF THE SLIT AND SAID FREE END, THE ARC BETWEEN THE FIRST AND SECOND TABS BEING LESS THAN 180 DEGREES AND THE ARC BETWEEN THE FIRST AND THIRD TABS AND WHICH PASSES THROUGH THE SECOND TAB BEING GREATER THAN 180 DEGREES, SAID CROWN HAVING AT LEAST TWO CHORD-LIKE SCORE LINES THAT ARE RADIALLY OUTWARDLY OF THE CENTER OF THE CROWN AND OF A DEPTH LESS THAN THAT OF THE MATERIAL OF THE CROWN AND ALONG ANY OF WHICH THE BODY MAY BE BENT AFTER TEARING OF TWO OF THE TABS, EACH SCORE LINE LYING BETWEEN TWO OF THE TABS AND TERMINATING AT ITS OPPOSITE ENDS IN THE CROWN ADJACENT TO BUT SPACED FROM EACH OF SAID TWO TABS, THE CROWN BEING ITS NORMAL THICKNESS AT ITS PERIPHERAL PORTION TO PROVIDE A CONTINUOUS ANNULAR UNWEAKENED REGION AT THE PERIPHERY OF THE CROWN TO ASSIST IN PRESSING THE LINER AGAINST A CONTAINER NECK AT SAID CINTINUOUS REGION.
Claim 2
Dependent Claim
371 words
A CROWN CAP COMPRISING A BODY HAVING A CROWN AND PERIPHERAL SKIRT SURROUNDING AND PROJECTING AWAY FROM THE CROWN, A SEALING LINER ADJACENT TO THE CROWN AND SURROUNDED BY THE SKIRT, SAID SKIRT INCLUDING A CURVED PORTION THAT IS JOINED TO THE CROWN, SAID SKIRT BEING CORRUGATED BY CIRCUMFERENTIALLY SPACED FLUTES FORMED IN AND EXTENDING FROM THE FREE END OF THE SKIRT TOWARD THE CROWN WITH THE SKIRT FORMING A CONTINUOUS HOOP SO THAT THE SKIRT MAY BE RADIALLY INWARDLY DISTENTED THROUGHOUT ITS ENTIRE EXTENT INTO GRIPPING ENGAGEMENT WITH A BEAD ON A CONTAINER NECK TO HOLD THE CAP IN PLACE ON THE CONTAINER NECK BY THE HOOP STRENGTH OF THE DISTENDED SKIRT, FIRST, SECOND AND THIRD CIRCUMFERENTIALLY SPACED TEAR TABS ON THE BODY TO FACILITATES REMOVAL OF THE CAP FROM THE CONTAINER NECK, SAID TABS EACH PROJECTING TOWARD THE CROWN AND EACH BEING DEFINED BY A GENERALLY U-SHAPED SLIT IN THE BODY WITH THE BIGHT BEING OF U DEFINING THE END OF THE TAB AND WITH SAID BIGHT BEING SUBSTANTIALLY ENTIRELY IN THE SKIRT, THE PORTIONS OF THE SLIT DEFINING THE SIDES THEREOF TERMINATING AT SPACED POINTS ADJACENT TO BUT SPACED FROM SAID FREE END OF THE SKIRT SO THAT ANY TAB MAY BE PULLED TO TEAR THE PART OF THE SKIRT BETWEEN THE ENDS OF THE SLIT AND SAID FREE END, THE ARC BETWEEN THE FIRST AND SECOND TABS BEING LESS THAN 180 DEGREES AND THE ARC BETWEEN THE FIRST AND THIRD TABS AND WHICH PASSES THROUGH THE SECOND TAB BEING GREATER THAN 180 DEGREES, SAID CROWN HAVING AT LEAST TWO CHORD-LIKE SCORE LINES THAT ARE RADIALLY OUTWARDLY OF THE CENTER OF THE CROWN AND OF A DEPTH LESS THAN THAT OF THE MATERIAL OF THE CROWN AND ALONG ANY OF WHICH THE BODY MAY BE BENT AFTER TEARING OF TWO OF THE TABS, EACH SCORE LINE LYING BETWEEN TWO OF THE TABS AND TERMINATING AT ITS OPPOSITE ENDS IN THE CROWN ADJACENT TO BUT SPACED FROM EACH OF SAID TWO TABS, THE CROWN BEING ITS NORMAL THICKNESS AT ITS PERIPHERAL PORTION TO PROVIDE A CONTINUOUS ANNULAR UNWEAKENED REGION AT THE PERIPHERY OF THE CROWN TO ASSIST IN PRESSING THE LINER AGAINST A CONTAINER NECK AT SAID CINTINUOUS REGION.
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |