US3316627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spot welding method for metals by explosives
Assignee: Asahi Kasei Corp
•
Filing: 1963-11-05
•
Granted: 1967-05-02
•
Expires: 1983-11-05
Abstract
No abstract record available.
Inventors
- 👤 Suzuki Teruhiko
- 👤 Kameishi Masayuki
- 👤 Yamamoto Kazumoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:51
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/06; B23K20/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805; Y10T29/49806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A METHOD OF SPOT WELDING METAL PLATES BY EXPLOSION COMPRISING SUPERIMPOSING ON ONE ANOTHER A PLURALITY OF METAL PLATES OF THE SAME OR DIFFERENT MATERIALS TO BE SPOT WELDED, FORMING A CONTAINER FOR AN EXPLOSIVE FROM BUFFER MATERIAL SELECTED FROM THE GROUP CONSISTING OF A FIBROUS MATERIAL, RUBBER, AND A SYNTHETIC HIGH POLYMER RESIN, SAID CONTAINER BEING FORMED SO THAT THE SURFACE OF THE BUFFER MATERIAL WHICH CONTACTS THE EXPLOSIVE HAS A CONVEX SURFACE TO CONCENTRATE THE FORCE OF THE DETONATION OF THE EXPLOSIVE IN A LOCALIZED AREA, PLACING SAID CONTAINER WITH THE EXPLOSIVE THEREIN, ON THE OUTER SURFACE OF AN OUTER PLATE IN AT LEAST ONE DISCRETE RELATIVELY SMALL AREA OF SAID PLATE, AND DETONATING THE EXPLOSIVE TO PRODUCE SPOT PRESSURE-WELDING AT THE MUTUAL CONTACT SURFACES OF THE METAL PLATES AT SAID AT LEAST ONE DISCRETE AREA.
Claim 2
Independent Claim
138 words
A METHOD OF SPOT WELDING METAL PLATES BY EXPLOSION COMPRISING SUPERIMPOSING ON ONE ANOTHER A PLURALITY OF METAL PLATES OF THE SAME OR DIFFERENT MATERIALS TO BE SPOT WELDED, FORMING A CONTAINER FOR AN EXPLOSIVE FROM BUFFER MATERIAL SELECTED FROM THE GROUP CONSISTING OF A FIBROUS MATERIAL, RUBBER, AND A SYNTHETIC HIGH POLYMER RESIN, SAID CONTAINER BEING FORMED SO THAT THE SURFACE OF THE BUFFER MATERIAL WHICH CONTACTS THE EXPLOSIVE HAS A CONVEX SURFACE TO CONCENTRATE THE FORCE OF THE DETONATION OF THE EXPLOSIVE IN A LOCALIZED AREA, PLACING SAID CONTAINER WITH THE EXPLOSIVE THEREIN, ON THE OUTER SURFACE OF AN OUTER PLATE IN AT LEAST ONE DISCRETE RELATIVELY SMALL AREA OF SAID PLATE, AND DETONATING THE EXPLOSIVE TO PRODUCE SPOT PRESSURE-WELDING AT THE MUTUAL CONTACT SURFACES OF THE METAL PLATES AT SAID AT LEAST ONE DISCRETE AREA.
References Cited (Backward Citations)
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US2367206A
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US2615591A
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GB766741A
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US3024526A
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US3140539A
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US3212183A
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US3197856A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |