US3566646A
Expired / Lapsed
US
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Explosive attachment apparatus
Assignee: Individual
•
Filing: 1968-04-18
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Granted: 1971-03-02
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Expires: 1988-04-18
Abstract
Abstract AN APPARATUS FOR SWAGING A METAL TUBE TO A FITTING BY EXPLOSIVE ATTACHMENT COMPRISING AN ELASTOMERIC MEMBER CONTAINING AN EXPLOSIVE CHARGE WHICH IS INSERTED INTO THE TUBE. UPON DETONATION OF THE EXPLOSIVE CHARGE, SHOCK FORCES ARE TRANSFERRED BY THE ELASTOMER TO THE TUBE WALL, SWAGING THE TUBE TO THE FITTING. AN INTERIOR CAVITY IN THE ELASTOMERIC MEMBER RELIEVES PEAK SHOCK FORCES AND ENTRAPS CONTAMINANTS FROM THE DETONATION.
Inventors
- 👤 Richard W Walkup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:06
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/02; F16L19/0206; B; B21; B21D; B21D39/00; B21D39/06; B21D39/066; F16L23/00; F16L23/02; F16L23/024; F16L23/028; F16L23/0286; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805; Y10T29/49806
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |