Patent US3245372A successfully refreshed from Google Patents.
US3245372A
Expired / Lapsed
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Method and apparatus for double seaming
Assignee: Primerica Inc
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Filing: 1963-12-03
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Granted: 1966-04-12
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Expires: 1983-12-03
Abstract
No abstract record available.
Inventors
- 👤 Bofinger Karl
- 👤 Lehmann Karl Friedrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:07
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/26; B21D51/30; B21D51/32
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
154 words
IN THE MANUFACTURE OF CONTAINERS WHEREIN A FLANGED CLOSURE AND A FLANGED CONTAINER ARE CLAMPED TOGETHER IN PARTIAL ASSEMBLY BETWEEN A CONTAINER SUPPORT AND A CHUCK IN SAID CLOSURE SO THAT THEIR FLANGES ARE IN CLOSE CONTACT, AND THE THUS PARTIALLY ASSEMBLED CLOSURE AND CONTAINER ARE ROTATED ON THEIR COMMON AXIS WHILE BEING MOVED IN A PREDETERMINED PATH ALONG WHICH SAID CLOSURE IS DOUBLESEAMED TO SAID CONTAINER, THE PROCESS COMPRISING THE STEPS OF: PRESSING A SEAMING RAIL INTO ENGAGEMENT WITH SAID FLANGES OF THE CONTAINER AND ITS CLOSURE, TO PRODUCE A PARTIAL DOUBLE SEAM THEREBETWEEN, DURING SLIGHTLY MORE THAN ONE ROTATION OF THE PARTIALLY ASSEMBLED CONTAINER AND CLOSURE ABOUT THEIR COMMON AXIS THEREBY PRVENTING FOLDING OF THE COLD WORKED MATERIAL; AND PRESSING A SEAMING ROLLER INTO ENGAGEMENT WITH SAID PARTIAL DOUBLE SEAM TO PRODUCE A COMPLETED DOUBLE SEAM BETWEEN SAID ROTATING CONTAINER AND CLOSURE DURING THE REMAINDER OF THEIR PROGRESS ALONG SAID PREDETERMINED PATH.
Claim 2
Dependent Claim
154 words
IN THE MANUFACTURE OF CONTAINERS WHEREIN A FLANGED CLOSURE AND A FLANGED CONTAINER ARE CLAMPED TOGETHER IN PARTIAL ASSEMBLY BETWEEN A CONTAINER SUPPORT AND A CHUCK IN SAID CLOSURE SO THAT THEIR FLANGES ARE IN CLOSE CONTACT, AND THE THUS PARTIALLY ASSEMBLED CLOSURE AND CONTAINER ARE ROTATED ON THEIR COMMON AXIS WHILE BEING MOVED IN A PREDETERMINED PATH ALONG WHICH SAID CLOSURE IS DOUBLESEAMED TO SAID CONTAINER, THE PROCESS COMPRISING THE STEPS OF: PRESSING A SEAMING RAIL INTO ENGAGEMENT WITH SAID FLANGES OF THE CONTAINER AND ITS CLOSURE, TO PRODUCE A PARTIAL DOUBLE SEAM THEREBETWEEN, DURING SLIGHTLY MORE THAN ONE ROTATION OF THE PARTIALLY ASSEMBLED CONTAINER AND CLOSURE ABOUT THEIR COMMON AXIS THEREBY PRVENTING FOLDING OF THE COLD WORKED MATERIAL; AND PRESSING A SEAMING ROLLER INTO ENGAGEMENT WITH SAID PARTIAL DOUBLE SEAM TO PRODUCE A COMPLETED DOUBLE SEAM BETWEEN SAID ROTATING CONTAINER AND CLOSURE DURING THE REMAINDER OF THEIR PROGRESS ALONG SAID PREDETERMINED PATH.
Claim 3
Dependent Claim
146 words
IN AN APPARATUS FOR SEALING A COVER TO A CONTAINER ALONG A SEALING AREA ADJACENT THE JUNCTURE BETWEEN SAID CONTAINER AND COVER, THE COMBINATION COMPRISING: MEANS FOR TEMPORARILY CLAMPING A COVER ONTO A CONTAINER; MEANS FOR ROTATING THE CLAMPED CONTAINER AND COVER AROUND THEIR COMMON AXIS; MEANS FOR REVOLVING SAID ROTATING CONTAINER AND COVER IN A CIRCULAR PATH THROUGH LESS THAN 360*; STATIONARY SEALING MEANS ADJACENT ABOUT ONE QUADRANT OF SAID CIRCULAR PATH OF SAID SEALING AREA BETWEEN SAID ROTATING CONTAINER AND COVER FOR PARTIALLY SEALING SAID AREA; MOVABLE SEALING MEANS REVOLVABLE WITH SAID ROTATING CONTAINER AND COVER ALONG A CIRCULAR PATH ADJACENT SAID REVOLVING AND ROTATING SEALING AREA OF THE CONTAINER AND COVER, AND MOVABLE INTO ENGAGEMENT WITH THE PARTIALLY SEALED SEALING AREA TO COMPLETE THE SEALING OF SAID AREA DURING THE REMAINDER OF THE PROGRESS OF SAID CONTAINER AND BODY ALONG THEIR CIRCULAR PATH.
Claim 4
Dependent Claim
146 words
IN AN APPARATUS FOR SEALING A COVER TO A CONTAINER ALONG A SEALING AREA ADJACENT THE JUNCTURE BETWEEN SAID CONTAINER AND COVER, THE COMBINATION COMPRISING: MEANS FOR TEMPORARILY CLAMPING A COVER ONTO A CONTAINER; MEANS FOR ROTATING THE CLAMPED CONTAINER AND COVER AROUND THEIR COMMON AXIS; MEANS FOR REVOLVING SAID ROTATING CONTAINER AND COVER IN A CIRCULAR PATH THROUGH LESS THAN 360*; STATIONARY SEALING MEANS ADJACENT ABOUT ONE QUADRANT OF SAID CIRCULAR PATH OF SAID SEALING AREA BETWEEN SAID ROTATING CONTAINER AND COVER FOR PARTIALLY SEALING SAID AREA; MOVABLE SEALING MEANS REVOLVABLE WITH SAID ROTATING CONTAINER AND COVER ALONG A CIRCULAR PATH ADJACENT SAID REVOLVING AND ROTATING SEALING AREA OF THE CONTAINER AND COVER, AND MOVABLE INTO ENGAGEMENT WITH THE PARTIALLY SEALED SEALING AREA TO COMPLETE THE SEALING OF SAID AREA DURING THE REMAINDER OF THE PROGRESS OF SAID CONTAINER AND BODY ALONG THEIR CIRCULAR PATH.
References Cited (Backward Citations)
US858785A
Cited
US1929339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |