US3179979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High pressure die
Assignee: General Electric Co
•
Filing: 1962-09-25
•
Granted: 1965-04-27
•
Expires: 1982-09-25
Abstract
No abstract record available.
Inventors
- 👤 Francis P Bundy
- 👤 Jr Robert H Wentorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:28
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/007; B01; B01J; B01J3/00; B01J3/06; B01J3/065; B30B11/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A HIGH PRESSURE APPARATUS HAVING A PAIR OF OPPOSED PUNCH MEMBERS RELATIVELY MOVABLE FOR COACTION TOGETHER WITH A DIE ASSEMBLY HAVING AN OPENING THEREIN INTO WHICH AT LEAST ONE OF SAID PUNCH MEMBERS PROGRESSES TO COMPRESS A MATERIAL, SAID DIE ASSEMBLY COMPRISING IN COMBINATION: (A) AN ANNULAR DIE MEMBER, (B) A PLURALITY OF RAM SEGMENTS EQUALLY CIRCUMFERENTIALLY POSITIONED ABOUT AND CONTIGUOUS WIITH THE OUTER PERIMETER OF SAID ANNULAR DIE MEMBER, (C) ABUTMENT MEANS EXTENDING IN A CLOSED CURVE AROUND THE OUTER PERIMETER OF SAID RAM SEGMENTS AND, (D) MEANS DISPOSED BETWEEN SAID ABUTMENT MEANS AND SAID RAM SEGMENTS TO CONTROLLABLY APPLY SELECTIVELY VARIABLE FORCE THERETO INDEPENDENTLY OF THE FORCE EFFECTING RELATIVE MOVEMENT OF SAID OPPOSED PUNCH MEMBERS AND DIRECTED RADIALLY INWARDLY OF AND SUBSTANTIALLY GIRDING SAID DIE MEMBER TO PREVENT EXCESSIVE RADIAL EXPANSION THEREOF UNDER THE RADIALLY OUTWARDLY DIRECTED FORCE GENERATED WITH SAID OPPOSED PUNCH MEMBERS.
Claim 2
Dependent Claim
146 words
A HIGH PRESSURE APPARATUS HAVING A PAIR OF OPPOSED PUNCH MEMBERS RELATIVELY MOVABLE FOR COACTION TOGETHER WITH A DIE ASSEMBLY HAVING AN OPENING THEREIN INTO WHICH AT LEAST ONE OF SAID PUNCH MEMBERS PROGRESSES TO COMPRESS A MATERIAL, SAID DIE ASSEMBLY COMPRISING IN COMBINATION: (A) AN ANNULAR DIE MEMBER, (B) A PLURALITY OF RAM SEGMENTS EQUALLY CIRCUMFERENTIALLY POSITIONED ABOUT AND CONTIGUOUS WIITH THE OUTER PERIMETER OF SAID ANNULAR DIE MEMBER, (C) ABUTMENT MEANS EXTENDING IN A CLOSED CURVE AROUND THE OUTER PERIMETER OF SAID RAM SEGMENTS AND, (D) MEANS DISPOSED BETWEEN SAID ABUTMENT MEANS AND SAID RAM SEGMENTS TO CONTROLLABLY APPLY SELECTIVELY VARIABLE FORCE THERETO INDEPENDENTLY OF THE FORCE EFFECTING RELATIVE MOVEMENT OF SAID OPPOSED PUNCH MEMBERS AND DIRECTED RADIALLY INWARDLY OF AND SUBSTANTIALLY GIRDING SAID DIE MEMBER TO PREVENT EXCESSIVE RADIAL EXPANSION THEREOF UNDER THE RADIALLY OUTWARDLY DIRECTED FORCE GENERATED WITH SAID OPPOSED PUNCH MEMBERS.
References Cited (Backward Citations)
US3123862A
Cited
US2554499A
Cited
US3044113A
Cited
US2968837A
Cited
US3082477A
Cited
US2947034A
Cited
US3011043A
Cited
US3091804A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |