Patent US2947653A successfully refreshed from Google Patents.
US2947653A
Expired / Lapsed
US
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Method of producing containers from thermoplastic material
Assignee: Rheinmetall Air Defence AG
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Filing: 1956-06-26
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Granted: 1960-08-02
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Expires: 1976-06-26
Abstract
No abstract record available.
Inventors
- 👤 Fohr Matthias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:32
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/52; B65D75/58; B65D75/5861; B65D75/5872; B65D75/5877; B29; B29C; B29C51/00; B29C51/12; B29C65/00; B29C65/02; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/133; B29C66/50; B29C66/51; B29C66/53; B29C66/532; B29C66/5326; B29C66/53261; B29C66/53262; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/812; B29C66/8124; B29C66/81241; B29C66/83; B29C66/832; B29C66/8322; B29C69/00; B29D; B29D23/00; B29D23/20; B29C48/00; B29C48/001; B29C48/0019; B29C48/03; B29C48/07; B29C48/08; B29C48/13; B29K; B29K2995/00; B29K2995/0037; B29K2995/0065; B29L; B29L2023/00; B29L2023/20; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/103; Y10T156/1036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A METHOD OF PRODUCING A CONTAINER FROM THERMOPLASTIC MATERIAL COMPRISING THE STEPS OF PERMANENTLY DEFORMING A PLASTIC WEB BY MEANS OF A MANDREL TO FROM A HOLLOW SUBSTANTIALLY CYLINDRICAL EXTENSION IN THE MIDDLE OF SAID WEB, INSERTING A LENGTH OF TUBE ALSO FORMED OF PLASTIC MATERIAL IN SAID EXTENSION, WELDING SAID LENGTH OF TUBE TO THE END FACE OF SAID EXTENDIONIN ORDER TO FORM A REINFORCED TUBE NECK AND A CLOSURE SEAL, AND THEN BRINGING TOGETHER AND WELDING THE TWO OVERLAPPING WALL PORTIONS FORMED BY FOLDING THE WEB IN THE VICINITY OF THE EXTENSION TO FORM SEAMS CLOSING SAID CONTAINER.
Claim 2
Independent Claim
100 words
A METHOD OF PRODUCING A CONTAINER FROM THERMOPLASTIC MATERIAL COMPRISING THE STEPS OF PERMANENTLY DEFORMING A PLASTIC WEB BY MEANS OF A MANDREL TO FROM A HOLLOW SUBSTANTIALLY CYLINDRICAL EXTENSION IN THE MIDDLE OF SAID WEB, INSERTING A LENGTH OF TUBE ALSO FORMED OF PLASTIC MATERIAL IN SAID EXTENSION, WELDING SAID LENGTH OF TUBE TO THE END FACE OF SAID EXTENDIONIN ORDER TO FORM A REINFORCED TUBE NECK AND A CLOSURE SEAL, AND THEN BRINGING TOGETHER AND WELDING THE TWO OVERLAPPING WALL PORTIONS FORMED BY FOLDING THE WEB IN THE VICINITY OF THE EXTENSION TO FORM SEAMS CLOSING SAID CONTAINER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |