US3238565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous hot forming apparatus
Assignee: Sun Chemical Corp
•
Filing: 1961-09-22
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Granted: 1966-03-08
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Expires: 1981-09-22
Abstract
No abstract record available.
Inventors
- 👤 William A Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:21
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/14; B29C44/00; B29C44/34; B29C44/36; B29C44/46; B29C44/50; B29C44/507; B29C51/18; B29C51/20; B29C51/24; B29L; B29L2023/00; B29L2023/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
APPARATUS FOR CONVERTING A THERMOPLASTIC MATERIAL IN BULK FORM INTO FORMED FLATWARE ARTICLES COMPRISING MEANS FOR EXTRUDING SAID THERMOPLASTIC MATERIAL IN BULK FORM INTO A SHEET THEREOF, MEANS FOR MOVING SAID SHEET IN A SINGLE PLANE, FIRST ROTATING MEANS CARRYING MALE DIES FOR DRAW-FORMING SAID SHEET, SECOND ROTATING MEANS CARRYING FEMALE DIES FOR COOPERATING WITH SAID MALE DIES TO DRAW-FORM SAID SHEET, SAID MALE DIES BEING MOVABLE INTO MATING, FORMING ENGAGEMENT WITH CORRESPONDING FEMALE DIES, SAID FIRST AND SECOND ROTATING MEANS BEING SYNCHRONIZED AND RESPECTIVELY POSITIONED ON OPPOSITE SIDES OF SAID SHEET, MEANS FOR MOVING SAID MALE AND FEMALE DIES INTO MATING, FORMING ENGAGEMENT, SAID MEANS FOR MOVING SAID MALE AND FEMALE DIES COMPRISING AN ECCENTRIC ROTATING BLOCK DRIVABLY CONNECTABLE WITH SAID MALE DIE TO MOVE SAME INTO MATING, FORMING ENGAGEMENT WITH SAID FEMALE DIE, AND RELEASABLE LATCH MEANS FOR LOCKING SAID MALE AND FEMALE DIES IN MATING, FORMING ENGAGEMENT.
Claim 2
Dependent Claim
150 words
APPARATUS FOR CONVERTING A THERMOPLASTIC MATERIAL IN BULK FORM INTO FORMED FLATWARE ARTICLES COMPRISING MEANS FOR EXTRUDING SAID THERMOPLASTIC MATERIAL IN BULK FORM INTO A SHEET THEREOF, MEANS FOR MOVING SAID SHEET IN A SINGLE PLANE, FIRST ROTATING MEANS CARRYING MALE DIES FOR DRAW-FORMING SAID SHEET, SECOND ROTATING MEANS CARRYING FEMALE DIES FOR COOPERATING WITH SAID MALE DIES TO DRAW-FORM SAID SHEET, SAID MALE DIES BEING MOVABLE INTO MATING, FORMING ENGAGEMENT WITH CORRESPONDING FEMALE DIES, SAID FIRST AND SECOND ROTATING MEANS BEING SYNCHRONIZED AND RESPECTIVELY POSITIONED ON OPPOSITE SIDES OF SAID SHEET, MEANS FOR MOVING SAID MALE AND FEMALE DIES INTO MATING, FORMING ENGAGEMENT, SAID MEANS FOR MOVING SAID MALE AND FEMALE DIES COMPRISING AN ECCENTRIC ROTATING BLOCK DRIVABLY CONNECTABLE WITH SAID MALE DIE TO MOVE SAME INTO MATING, FORMING ENGAGEMENT WITH SAID FEMALE DIE, AND RELEASABLE LATCH MEANS FOR LOCKING SAID MALE AND FEMALE DIES IN MATING, FORMING ENGAGEMENT.
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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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |