Patent US3071812A successfully refreshed from Google Patents.
US3071812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary molding machine
Assignee: Continental Can Co Inc
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Filing: 1959-08-17
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Granted: 1963-01-08
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Expires: 1979-08-17
Abstract
No abstract record available.
Inventors
- 👤 William L Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:40
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/18; B29C51/20; B29C51/22; B29C51/225; B29C51/26; B29C51/30; B29C51/32; B29C51/44; B29C51/04; Y; Y10; Y10S; Y10S425/00; Y10S425/809
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A MACHINE FOR FORMING ARTICLES FROM A MOLDABLE PLASTIC WEB COMPRISING A CYLINDRICAL MOLDING FRAME MOUNTED FOR CONTINUOUS ROTATION ON ITS MAJOR AXIS AND HAVING A SERIES OF MOLDING DIES SPACED AROUND THE PERIPHERY THEREOF, MEANS FOR GUIDING A WEB OF PLASTIC MATERIAL IN A PATH AROUND THE PERIPHERY OF THE MOLDING FRAME, SAID WEB BEING ADVANCED OVER THE MOLDING DIES ON A PORTION OF THE PERIPHERAL SURFACE OF THE MOLDING FRAME, A SUPPORTING STRUCTURE COMPRISING LATERALLY SPACED SIDE FRAMES WHICH ARE ROTATABLY MOUNTED ON AN AXIS COINCIDING WITH THE AXIS OF ROTATION OF THE MOLDING FRAME, AND CROSS FRAME MEMBERS EXTENDING BETWEEN SAID SIDE FRAMES WHICH CROSS FRAME MEMBERS ARE CIRCUMFERENTIALLY AND OUTWARDLY SPACED AROUND THE PERIPHERY OF THE MOLDING FRAME, MEANS ON THE FIRST ONE OF SAID CROSS FRAME MEMBER IN THE DIRECTION OF ADVANCE OF THE WEB FOR COOPERATING WITH THE DIES ON THE MOLDING FRAME IN FORMING ARTICLES IN THE TRAVELING WEB WHICH IS ADVANCING
Claim 2
Dependent Claim
159 words
A MACHINE FOR FORMING ARTICLES FROM A MOLDABLE PLASTIC WEB COMPRISING A CYLINDRICAL MOLDING FRAME MOUNTED FOR CONTINUOUS ROTATION ON ITS MAJOR AXIS AND HAVING A SERIES OF MOLDING DIES SPACED AROUND THE PERIPHERY THEREOF, MEANS FOR GUIDING A WEB OF PLASTIC MATERIAL IN A PATH AROUND THE PERIPHERY OF THE MOLDING FRAME, SAID WEB BEING ADVANCED OVER THE MOLDING DIES ON A PORTION OF THE PERIPHERAL SURFACE OF THE MOLDING FRAME, A SUPPORTING STRUCTURE COMPRISING LATERALLY SPACED SIDE FRAMES WHICH ARE ROTATABLY MOUNTED ON AN AXIS COINCIDING WITH THE AXIS OF ROTATION OF THE MOLDING FRAME, AND CROSS FRAME MEMBERS EXTENDING BETWEEN SAID SIDE FRAMES WHICH CROSS FRAME MEMBERS ARE CIRCUMFERENTIALLY AND OUTWARDLY SPACED AROUND THE PERIPHERY OF THE MOLDING FRAME, MEANS ON THE FIRST ONE OF SAID CROSS FRAME MEMBER IN THE DIRECTION OF ADVANCE OF THE WEB FOR COOPERATING WITH THE DIES ON THE MOLDING FRAME IN FORMING ARTICLES IN THE TRAVELING WEB WHICH IS ADVANCING
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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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |