Patent US3575769A successfully refreshed from Google Patents.
US3575769A
Expired / Lapsed
US
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Tube side seaming method and apparatus
Assignee: Rexam Beverage Can Co
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Filing: 1968-03-27
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Granted: 1971-04-20
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Expires: 1988-03-27
Abstract
Abstract LONGITUDINAL SEAMING APPARATUS AND METHOD FOR TUBED PLASTIC WEB MATERIAL HAVING A FLOATING MANDREL FOR INTERNALLY SUPPORTING THE TUBE DURING LONGITUDINAL SEAM WELDING AND COOLING, WHEREIN THE MANDREL IS MAGNETICALLY SUPPORTED AT ITS DOWNSTREAM ENTUBED FREE END AS WELL AS BEING ROTATABLY AND VERTICALLY ADJUSTABLE FROM ITS UPSTREAM MOUNTING EXTERNALLY OF THE TUBE TO PRECISELY SHAPE THE LONGITUDINAL TUBE SEAM.
Inventors
- 👤 Carl Radzio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:35
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C53/00; B29C53/36; B29C53/38; B29C53/48; B29C53/50; B29C65/24; B29C65/30; B29C65/305; B29C66/00; B29C66/01; B29C66/03; B29C66/032; B29C66/0324; B29C66/03241; B29C66/03242; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/14; B29C66/347; B29C66/3474; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/4322; B29C66/49; B29C66/70; B29C66/72; B29C66/723; B29C66/80; B29C66/81; B29C66/812; B29C66/8126; B29C66/818; B29C66/8181; B29C66/82; B29C66/824; B29C66/8244; B29C66/83; B29C66/834; B29C66/8341; B29C66/83421; B29C66/83423; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29C66/91421; B29C66/91423; B29C66/7232; B29C66/72321; B29C66/7234; B29C66/822; B29C66/8223; B29K; B29K2995/00; B29K2995/0003; B29K2995/0008; B29L; B29L2009/00; B29L2023/00; B29L2023/20; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/1013
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |