Patent US3364562A successfully refreshed from Google Patents.
US3364562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a butt joint by explosive welding
Assignee: North American Aviation Corp
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Filing: 1965-12-10
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Granted: 1968-01-23
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Expires: 1985-12-10
Abstract
No abstract record available.
Inventors
- 👤 Edward L Armstrong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:28
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/06; B23K20/08; B23K20/085; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805; Y10T29/49806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
THE METHOD OF EXPLOSIVELY WELDING IN A LAP JOINT THE EDGES OF TWO METAL SHEETS COMPRISING: PROVIDING A FIRST METAL SHEET HAVING TOP AND BOTTOM SURFACES, BEVELING AN EDGE OF SAID FIRST SHEET AT AN OBLIQUE ANGLE EXTENDING FROM SAID BOTTOM SURFACE TO SAID TOP SURFACE, PROVIDING A SECOND METAL SHEET HAVING TOP AND BOTTOM SURFACES, BEVELING AN EDGE OF SAID SECOND SHEET AT THE SAME OBLIQUE ANGLE AS SAID FIRST SHEET, SAID BEVEL EXTENDING FROM SAID BOTTOM SURFACE TO SAID TOP SURFACE POSITIONING SAID SECOND SHEET AND SAID FIRST SHEET SUCH THAT THE BOTTOM OF SAID BEVELED EDGE OF SECOND SHEET CORRESPONDS WITH THE TOP OF SAID BEVELED EDGE OF SAID FIRST SHEET, EFFECTING AN OVERLAP OF SAID SHEETS ESSENTIALLY EQUIVALENT TO THE WIDTH OF SAID BEVELS, PLACING AN EXPLOSIVE CHARGE ADJACENT SAID SHEETS, EXPLODING SAID CHARGE SO AS TO FORCE SAID SHEETS INTO A SINGLE PLANE EFFECTING A BOND AT SAID OVERLAP AREA.
Claim 2
Independent Claim
155 words
THE METHOD OF EXPLOSIVELY WELDING IN A LAP JOINT THE EDGES OF TWO METAL SHEETS COMPRISING: PROVIDING A FIRST METAL SHEET HAVING TOP AND BOTTOM SURFACES, BEVELING AN EDGE OF SAID FIRST SHEET AT AN OBLIQUE ANGLE EXTENDING FROM SAID BOTTOM SURFACE TO SAID TOP SURFACE, PROVIDING A SECOND METAL SHEET HAVING TOP AND BOTTOM SURFACES, BEVELING AN EDGE OF SAID SECOND SHEET AT THE SAME OBLIQUE ANGLE AS SAID FIRST SHEET, SAID BEVEL EXTENDING FROM SAID BOTTOM SURFACE TO SAID TOP SURFACE POSITIONING SAID SECOND SHEET AND SAID FIRST SHEET SUCH THAT THE BOTTOM OF SAID BEVELED EDGE OF SECOND SHEET CORRESPONDS WITH THE TOP OF SAID BEVELED EDGE OF SAID FIRST SHEET, EFFECTING AN OVERLAP OF SAID SHEETS ESSENTIALLY EQUIVALENT TO THE WIDTH OF SAID BEVELS, PLACING AN EXPLOSIVE CHARGE ADJACENT SAID SHEETS, EXPLODING SAID CHARGE SO AS TO FORCE SAID SHEETS INTO A SINGLE PLANE EFFECTING A BOND AT SAID OVERLAP AREA.
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) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |