US3289453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for manufacturing container bodies from blanks
Assignee: Kaiser Aluminum and Chemical Corp
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Filing: 1964-06-22
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Granted: 1966-12-06
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Expires: 1984-06-22
Abstract
No abstract record available.
Inventors
- 👤 Wyle Charles
- 👤 John S Nagy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:25
CPC Classifications
B; B21; B21D; B21D24/00; B21D22/00; B21D22/20; B21D22/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A WORKPIECE FORMING APPARATUS THE COMBINATION OF A DIE MEANS INCLUDING A REVERSE DRAW DIE AND AT LEAST ONE IRONING DIE ALIGNED WITH SAID REVERSE DRAW DIE, A FORMING RAM MEANS MOVEABLE INTO AND OUT OF SAID DIES AND OPERABLE TO FORCE A CUP-SHAPED WORKPIECE SUCCESSIVELY THROUGH SAID REVERSE DRAW DIE AND IRONING DIE DURING THE FORWARD STROKE OF THE FORMING RAM MEANS, MEANS CONNECTED TO SAID RAM MEANS FOR MOTIVATING SAID RAM MEANS DURING ITS FORWARD AND RETURN STROKES, AND COMMON MEANS BOTH FOR SUPPORTING SAID RAM MEANS AND INITIALLY ADVANCING SAID WORKPIECE TOWARDS SAID REVERSE DRAW DIE PRIOR TO ENGAGEMENT OF THE WORKPIECE BY SAID FORMING RAM.
Claim 2
Dependent Claim
110 words
IN A WORKPIECE FORMING APPARATUS THE COMBINATION OF A DIE MEANS INCLUDING A REVERSE DRAW DIE AND AT LEAST ONE IRONING DIE ALIGNED WITH SAID REVERSE DRAW DIE, A FORMING RAM MEANS MOVEABLE INTO AND OUT OF SAID DIES AND OPERABLE TO FORCE A CUP-SHAPED WORKPIECE SUCCESSIVELY THROUGH SAID REVERSE DRAW DIE AND IRONING DIE DURING THE FORWARD STROKE OF THE FORMING RAM MEANS, MEANS CONNECTED TO SAID RAM MEANS FOR MOTIVATING SAID RAM MEANS DURING ITS FORWARD AND RETURN STROKES, AND COMMON MEANS BOTH FOR SUPPORTING SAID RAM MEANS AND INITIALLY ADVANCING SAID WORKPIECE TOWARDS SAID REVERSE DRAW DIE PRIOR TO ENGAGEMENT OF THE WORKPIECE BY SAID FORMING RAM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |