US3216874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container making methods and apparatus
Assignee: Brown Machine Company of Michigan Inc
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Filing: 1963-01-07
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Granted: 1965-11-09
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Expires: 1983-01-07
Abstract
No abstract record available.
Inventors
- 👤 Gaylord W Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:51
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/81; B29C65/00; B29C65/02; B29C65/10; B29C65/18; B29C65/78; B29C65/7858; B29C65/7879; B29C65/7882; B29C65/7885; B29C65/80; B29C66/003; B29C66/01; B29C66/03; B29C66/032; B29C66/0324; B29C66/03241; B29C66/034; B29C66/0342; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/13; B29C66/131; B29C66/1312; B29C66/135; B29C66/50; B29C66/51; B29C66/54; B29C66/543; B29C66/63; B29C66/632; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/814; B29C66/8141; B29C66/81431; B29C66/818; B29C66/8181; B29C66/83; B29C66/834; B29C66/8351; B29C66/83541; B29C66/83543; B29C65/24; B29C65/30; B29C65/305; B29C66/71; B29L; B29L2031/00; B29L2031/712; B29L2031/7158; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1051
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
THE METHOD OF FORMING A CONTAINER FROM TWO THERMOPLASTIC, GENERALLY CUP-SHAPED, HOLLOW MEMBERS, EACH OF WHICH HAS A SIDE WALL WITH A LATERALLY PROJECTING MARGINAL FLANGE AT AN OPEN END, ONE OF SAID MEMBERS HAVING AN OPENING THROUGH ITS OPPOSITE END; SAID METHOD COMPRISING: POSITIONING SAID MEMBERS IN END-TO-END RELATION WITH THE FLANGES FACING ONE ANOTHER; HEATING SAID FLANGES TO A DEFORMABLE AND WELDABLE STATE; AND INTRODUCING FLUID UNDER PRESSURE THROUGH SAID OPENING, WHILE OTHERWISE SEALING SAID OPENING, AND PRESSING SAID FLANGES INTO LAPPED RELATION WITH THE SIDE WALL OF ONE OF THE MEMBERS TO HEAT SEAL THE FLANGES THERETO AND PROVIDE A REINFORCED BAND AT THE JUNCTURE OF THE MEMBERS.
Claim 2
Independent Claim
111 words
THE METHOD OF FORMING A CONTAINER FROM TWO THERMOPLASTIC, GENERALLY CUP-SHAPED, HOLLOW MEMBERS, EACH OF WHICH HAS A SIDE WALL WITH A LATERALLY PROJECTING MARGINAL FLANGE AT AN OPEN END, ONE OF SAID MEMBERS HAVING AN OPENING THROUGH ITS OPPOSITE END; SAID METHOD COMPRISING: POSITIONING SAID MEMBERS IN END-TO-END RELATION WITH THE FLANGES FACING ONE ANOTHER; HEATING SAID FLANGES TO A DEFORMABLE AND WELDABLE STATE; AND INTRODUCING FLUID UNDER PRESSURE THROUGH SAID OPENING, WHILE OTHERWISE SEALING SAID OPENING, AND PRESSING SAID FLANGES INTO LAPPED RELATION WITH THE SIDE WALL OF ONE OF THE MEMBERS TO HEAT SEAL THE FLANGES THERETO AND PROVIDE A REINFORCED BAND AT THE JUNCTURE OF THE MEMBERS.
References Cited (Backward Citations)
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US3054440A
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US2956611A
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US3062695A
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US3078912A
Cited
US3059810A
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US3152944A
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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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |