US3344510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Line welding method for metals by explosives
Assignee: Asahi Kasei Corp
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Filing: 1964-02-19
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Granted: 1967-10-03
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Expires: 1984-02-19
Abstract
No abstract record available.
Inventors
- 👤 Kameishi Masayuki
- 👤 Niwatsukino Tooru
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:43
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
127 words
A METHOD OF LINE WELDING METAL PLATES BY EXPLOSION COMPRISING OVERLAPPING AT LEAST TWO METAL PLATES HAVING CONTACTING SURFACES WHICH ARE CLEAN AT LEAST AT THE WELDING LOCATION, FORMING AN EXPLOSIVE CORD HAVING A SURFACE WITH A RECESS THEREIN HAVING A MAXIMUM DEPTH WHICH IS LESS THAN ONE-HALF THE HEIGHT OF SAID CORD, AND A WIDTH WHICH IS GREATER THAN ONE-HALF THE MAXIMUM WIDTH OF THE CORD, POSITIONING SAID SURFACE OF THE CORD WITH THE RECESS ON AN EXPOSED SURFACE OF ONE OF THE PLATES, AND DETONATING THE EXPLOSIVE CORD TO WELD THE PLATES ALONG THEIR CONTACTING SURFACE IN THE IMMEDIATE VICINITY OF THE EXPLOSION, THE RECESS IN THE CORD PRODUCING CONCENTRATION OF THE FORCE OF THE EXPLOSION INWARDLY TOWARD A CENTRAL LONGITUDINAL AXIS OF THE CORD.
Claim 2
Independent Claim
127 words
A METHOD OF LINE WELDING METAL PLATES BY EXPLOSION COMPRISING OVERLAPPING AT LEAST TWO METAL PLATES HAVING CONTACTING SURFACES WHICH ARE CLEAN AT LEAST AT THE WELDING LOCATION, FORMING AN EXPLOSIVE CORD HAVING A SURFACE WITH A RECESS THEREIN HAVING A MAXIMUM DEPTH WHICH IS LESS THAN ONE-HALF THE HEIGHT OF SAID CORD, AND A WIDTH WHICH IS GREATER THAN ONE-HALF THE MAXIMUM WIDTH OF THE CORD, POSITIONING SAID SURFACE OF THE CORD WITH THE RECESS ON AN EXPOSED SURFACE OF ONE OF THE PLATES, AND DETONATING THE EXPLOSIVE CORD TO WELD THE PLATES ALONG THEIR CONTACTING SURFACE IN THE IMMEDIATE VICINITY OF THE EXPLOSION, THE RECESS IN THE CORD PRODUCING CONCENTRATION OF THE FORCE OF THE EXPLOSION INWARDLY TOWARD A CENTRAL LONGITUDINAL AXIS OF THE CORD.
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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |