US3328840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powder compacting press
Assignee: Pentronix Inc
•
Filing: 1966-02-24
•
Granted: 1967-07-04
•
Expires: 1986-02-24
Abstract
No abstract record available.
Inventors
- 👤 Vinson Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:40
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/32; B22; B22F; B22F3/00; B22F3/02; B22F3/03; B30B15/30; B30B15/302; Y; Y10; Y10S; Y10S425/00; Y10S425/116; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18288; Y10T74/21; Y10T74/2101; Y10T74/2102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN A COMPACTING MACHINE FOR MAKING ARTICLES COMPACTED FROM POWDER, IN COMBINATION, A DIE HAVING AT LEAST ONE CAVITY THEREIN, MEANS FOR FILLING THE CAVITY WITH A POWDER TO BE COMPACTED, AN ANVIL HVING A FLAT SURFACE, MEANS FOR PLACING SAID FLAT SURFACE OVER SAID CAVITY AND MEANS FOR COMPACTING THE POWDER COMPRISING A PUNCH MOVABLE IN SAID CAVITY FOR COMPACTING THE POWDER AGAINST THE ANVIL, WHEREIN SAID DIE HAS A PLURALITY OF CIRCULARLY ARRANGED CAVITIES, A PUNCH IS DISPOSED MOVABLE IN EACH OF SAID CAVITIES, AND A TOOL HOLDER IS PROVIDED FOR A PLURALITY OF PUNCHES, SAID HOLDER COMPRISING A CIRCULAR MEMBER HAVING CIRCULARLY ARRANGED PERIPHERAL RADIAL OPENINGS HOLDING THE PUNCHES WHEREBY THE PUNCHES CAN FLOAT RADIALLY WITH RESPECT TO SAID CIRCULAR MEMBER.
Claim 2
Dependent Claim
124 words
IN A COMPACTING MACHINE FOR MAKING ARTICLES COMPACTED FROM POWDER, IN COMBINATION, A DIE HAVING AT LEAST ONE CAVITY THEREIN, MEANS FOR FILLING THE CAVITY WITH A POWDER TO BE COMPACTED, AN ANVIL HVING A FLAT SURFACE, MEANS FOR PLACING SAID FLAT SURFACE OVER SAID CAVITY AND MEANS FOR COMPACTING THE POWDER COMPRISING A PUNCH MOVABLE IN SAID CAVITY FOR COMPACTING THE POWDER AGAINST THE ANVIL, WHEREIN SAID DIE HAS A PLURALITY OF CIRCULARLY ARRANGED CAVITIES, A PUNCH IS DISPOSED MOVABLE IN EACH OF SAID CAVITIES, AND A TOOL HOLDER IS PROVIDED FOR A PLURALITY OF PUNCHES, SAID HOLDER COMPRISING A CIRCULAR MEMBER HAVING CIRCULARLY ARRANGED PERIPHERAL RADIAL OPENINGS HOLDING THE PUNCHES WHEREBY THE PUNCHES CAN FLOAT RADIALLY WITH RESPECT TO SAID CIRCULAR MEMBER.
References Cited (Backward Citations)
US1822939A
Cited
US2127994A
Cited
US2570989A
Cited
US2959900A
Cited
US2996759A
Cited
US3020589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |