Patent US4560108A successfully refreshed from Google Patents.
US3237243A
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US
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Apparatus for making plastic containers
Assignee: THATCHER PLASTIC PACKAGING Inc A CORP OF
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Filing: 1962-04-27
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Granted: 1966-03-01
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Expires: 1982-04-27
Abstract
No abstract record available.
Inventors
- 👤 Robert W Saumsiegle
- 👤 Fred E Wiley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:05
CPC Classifications
B; B29; B29C; B29C57/00; B29C57/10; B29C43/00; B29C43/02; B29D; B29D23/00; B29D23/20; B29L; B29L2001/00; B29L2023/00; B29L2023/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
APPARATUS FOR FORMING A CIRCUMFERENTIAL END PORTION OF A HOLLOW PLASTIC CYLINDER OF THERMOPLASTIC MATERIAL INTO A DESIRED CONFIGURATION COMPRISING: A MANDREL HAVING A BODY PORTION, A SHOULDER PORTION AND A HEAD-FORMING POR TION OF REDUCED CROSS-SECTION, SAID BODY PORTION BEING ADAPTED TO ENGAGE THE INNER CIRCUMFERENCE OF THE PLASTIC CYLINDER; A DIE MOUNTED AXIALLY WITH SAID MANDREL AND HAVING A CAVITY THEREIN, SAID CAVITY HAVING CONTOURS GENERALLY COMPLEMENTARY TO THE EXTERIOR CONTOURS OF THE BODY, SHOULDER AND HEAD-FORMING PORTION OF SAID MANDREL, SAID CAVITY AT ITS OPEN END BEING DEFINED BY A CYLINDRICAL SIDE WALL HAVING A CYLINDRICAL INNER SURFACE OF A DIAMETER AT LEAST THAT OF THE BODY PORTION OF SAID MANDREL
Claim 2
Dependent Claim
114 words
APPARATUS FOR FORMING A CIRCUMFERENTIAL END PORTION OF A HOLLOW PLASTIC CYLINDER OF THERMOPLASTIC MATERIAL INTO A DESIRED CONFIGURATION COMPRISING: A MANDREL HAVING A BODY PORTION, A SHOULDER PORTION AND A HEAD-FORMING POR TION OF REDUCED CROSS-SECTION, SAID BODY PORTION BEING ADAPTED TO ENGAGE THE INNER CIRCUMFERENCE OF THE PLASTIC CYLINDER; A DIE MOUNTED AXIALLY WITH SAID MANDREL AND HAVING A CAVITY THEREIN, SAID CAVITY HAVING CONTOURS GENERALLY COMPLEMENTARY TO THE EXTERIOR CONTOURS OF THE BODY, SHOULDER AND HEAD-FORMING PORTION OF SAID MANDREL, SAID CAVITY AT ITS OPEN END BEING DEFINED BY A CYLINDRICAL SIDE WALL HAVING A CYLINDRICAL INNER SURFACE OF A DIAMETER AT LEAST THAT OF THE BODY PORTION OF SAID MANDREL
References Cited (Backward Citations)
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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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |