US3228221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming material
Assignee: Aerojet Rocketdyne Inc
•
Filing: 1961-09-18
•
Granted: 1966-01-11
•
Expires: 1981-09-18
Abstract
No abstract record available.
Inventors
- 👤 Zernow Louis
- 👤 Edberg Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:59
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/02; B21D26/06; B21D26/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
AN APPARATUS FOR FORMING AN IMPRESSION OF ANY DESIRED SHAPED IN MATERIAL COMPRISING IN COMBINATION A CONTAINER, A SHOCK WAVE TRANSMITTING MEDIUM IN SAID CONTAINER, A SUPPORT MEMBER MOUNTED IN SAID CONTAINER, SAID SUPPORT MEMBER HAVING A FILM RECEIVING SURFACE, A CONDUCTIVE FILM DISPOSITED ON SAID SURFACE, SAID CONDUCTIVE FILM ADAPTED TO BE CONNECTED ACROSS AN ELECTRIC POWER SOURCE HAVING SUFFICIENT ENERGY TO EXPLODE SAID CONDUCTIVE FILM AND FORM A SHOCK WAVE IN SAID SHOCK WAVE TRANSMITTING MEDIUM, A FEMALE DIE HAVING A SHAPE, SAID CONDUCTIVE FILM HAVING A SHAPE SUCH THAT AT LEAST A PORTION OF THE FORMED SHOCK WAVE PRODUCED IN SAID SHOCK WAVE TRANSMITTING MEDIUM BY THE EXPLOSION OF THE CONDUCITVE FILM HAS A CONFIGURATION GENERALLY SIMILAR TO THE SHAPED OF SAID DIE, AND MEANS FOR HOLDING THE MATERIAL TO BE FORMED IN SAID CONTAINER IN SUCH A POSITION WITH RESPECT TO SAID CONDUCTIVE FILM SO THAT WHEN THE ELECTRIC POWER SOURCE IS CONDUCTED ACROSS SAID CONDUCTIVE FILM AND EXPLODES IT, THE RESULTING SHOCK WAVE IMPACTS ON THE MATERIAL TO BE FORMED AND FORCES IT INTO SAID FEMALE DIE.
Claim 2
Independent Claim
182 words
AN APPARATUS FOR FORMING AN IMPRESSION OF ANY DESIRED SHAPED IN MATERIAL COMPRISING IN COMBINATION A CONTAINER, A SHOCK WAVE TRANSMITTING MEDIUM IN SAID CONTAINER, A SUPPORT MEMBER MOUNTED IN SAID CONTAINER, SAID SUPPORT MEMBER HAVING A FILM RECEIVING SURFACE, A CONDUCTIVE FILM DISPOSITED ON SAID SURFACE, SAID CONDUCTIVE FILM ADAPTED TO BE CONNECTED ACROSS AN ELECTRIC POWER SOURCE HAVING SUFFICIENT ENERGY TO EXPLODE SAID CONDUCTIVE FILM AND FORM A SHOCK WAVE IN SAID SHOCK WAVE TRANSMITTING MEDIUM, A FEMALE DIE HAVING A SHAPE, SAID CONDUCTIVE FILM HAVING A SHAPE SUCH THAT AT LEAST A PORTION OF THE FORMED SHOCK WAVE PRODUCED IN SAID SHOCK WAVE TRANSMITTING MEDIUM BY THE EXPLOSION OF THE CONDUCITVE FILM HAS A CONFIGURATION GENERALLY SIMILAR TO THE SHAPED OF SAID DIE, AND MEANS FOR HOLDING THE MATERIAL TO BE FORMED IN SAID CONTAINER IN SUCH A POSITION WITH RESPECT TO SAID CONDUCTIVE FILM SO THAT WHEN THE ELECTRIC POWER SOURCE IS CONDUCTED ACROSS SAID CONDUCTIVE FILM AND EXPLODES IT, THE RESULTING SHOCK WAVE IMPACTS ON THE MATERIAL TO BE FORMED AND FORCES IT INTO SAID FEMALE DIE.
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |