US3313021A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive butt welding
Assignee: SRI International Inc
•
Filing: 1964-03-02
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Granted: 1967-04-11
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Expires: 1984-03-02
Abstract
No abstract record available.
Inventors
- 👤 Edward S Wright
- 👤 Arthur E Bayce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:48
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/06; B23K20/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A METHOD OF BUTT WELDING TWO METAL PLATES TOGETHER COMPRISING PLACING THE TWO METAL PLATES ON AN ANVIL WITH THE ENDS TO BE BUTT WELDED ADJACENT, BUT NOT ABUTTING ONE ANOTHER; POSITIONING A DRIVER PLATE OVER THE REGIN OF THE ADJACET EDGES TO BE JOINED; PROVIDING SUFFICIENT EXPLOSVIE ON SAID DRIVER JPLATE TO PROVIDE, ON IGNITION, A LATERAL DEFORMATION IN SAID ADJACENT PLATES EXCEEDING THE DISTANCE THEREBETWEEN, TO CAUSE SAID PLATES TO IMPACT WITH A VELOCITY SUFFICIENTLY GREAT THAT THE IMPACT PRESSURE IS WELL ABOVE THE YIELD STRENGTH OF SAID PLATES, SAID EXPLOSIVES BEING SELECTED TO CAUSE THE IMPACT FROM TO MOVE AT A VELOCITY LESS THAN THE VELOCITY OF SOUND IN EITHER OF SAID TWO PLATES; AND IGNITING SAID EXPLOSIVES TO GENERATE A SHOCK PRESSURE WAVE TO DRIVE SAID DRIVER PLATE AGAINST THE SURFACE OF BOTH OF SAID PLATES T THEREBY CAUSE SAIS DRIVER PLATE TO APPLY A SHOCK PRESSURE WAVE TO THE SURFACES OF BOTH SAID JPLATES NORMAL TO SAID ADJACENT ENDS TO PROVIDE SAID LATERAL DEFORMATION AND SAID IMPACT FRONT VELOCITY IN SAID TWO METAL PALTES.
Claim 2
Independent Claim
179 words
A METHOD OF BUTT WELDING TWO METAL PLATES TOGETHER COMPRISING PLACING THE TWO METAL PLATES ON AN ANVIL WITH THE ENDS TO BE BUTT WELDED ADJACENT, BUT NOT ABUTTING ONE ANOTHER; POSITIONING A DRIVER PLATE OVER THE REGIN OF THE ADJACET EDGES TO BE JOINED; PROVIDING SUFFICIENT EXPLOSVIE ON SAID DRIVER JPLATE TO PROVIDE, ON IGNITION, A LATERAL DEFORMATION IN SAID ADJACENT PLATES EXCEEDING THE DISTANCE THEREBETWEEN, TO CAUSE SAID PLATES TO IMPACT WITH A VELOCITY SUFFICIENTLY GREAT THAT THE IMPACT PRESSURE IS WELL ABOVE THE YIELD STRENGTH OF SAID PLATES, SAID EXPLOSIVES BEING SELECTED TO CAUSE THE IMPACT FROM TO MOVE AT A VELOCITY LESS THAN THE VELOCITY OF SOUND IN EITHER OF SAID TWO PLATES; AND IGNITING SAID EXPLOSIVES TO GENERATE A SHOCK PRESSURE WAVE TO DRIVE SAID DRIVER PLATE AGAINST THE SURFACE OF BOTH OF SAID PLATES T THEREBY CAUSE SAIS DRIVER PLATE TO APPLY A SHOCK PRESSURE WAVE TO THE SURFACES OF BOTH SAID JPLATES NORMAL TO SAID ADJACENT ENDS TO PROVIDE SAID LATERAL DEFORMATION AND SAID IMPACT FRONT VELOCITY IN SAID TWO METAL PALTES.
References Cited (Backward Citations)
US3197855A
Cited
US3197856A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |