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Patent US3281930A successfully refreshed from Google Patents.
US3281930A
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Joining clad metal parts
Assignee: Imperial Chemical Industries Ltd
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Filing: 1963-10-24
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Granted: 1966-11-01
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Expires: 1983-10-24
Abstract
No abstract record available.
Inventors
- 👤 Fordham Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:57
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
109 words
A METHOD OF JOINING TOGETHER SEPARATE PIECES OF CLAD METAL, EACH OF WHICH COMPRISES A BASE METAL SUBSTRATE HAVING A CLADDING METAL THEREON AND EDGES TO BE JOINED, SAID METHOD COMPRISING JOINING TOGETHER THE EDGES OF THE BASE METAL SUBSTRATES BY FUSION THEREBY FORMING A DISCONTINUITY IN THE CLADDING METAL, PLACING A STRIP OF SAID CLADDING METAL OVER THE DISCONTINUITY AT THE RESULTING JOINT SO THAT SAID STRIP EXTENDS OVER A PORTION OF THE CLADDING METAL ON EACH SIDE OF THE JOINT, COVERING THE STRIP WITH A LAYER OF EXPLOSIVE AND DETONATING THE EXPLOSIVE THEREBY BONDING SAID STRIP OF CLADDING METAL TO THE CLADDING METAL BONDED TO THE SUBSTRATE,
Claim 2
Independent Claim
109 words
A METHOD OF JOINING TOGETHER SEPARATE PIECES OF CLAD METAL, EACH OF WHICH COMPRISES A BASE METAL SUBSTRATE HAVING A CLADDING METAL THEREON AND EDGES TO BE JOINED, SAID METHOD COMPRISING JOINING TOGETHER THE EDGES OF THE BASE METAL SUBSTRATES BY FUSION THEREBY FORMING A DISCONTINUITY IN THE CLADDING METAL, PLACING A STRIP OF SAID CLADDING METAL OVER THE DISCONTINUITY AT THE RESULTING JOINT SO THAT SAID STRIP EXTENDS OVER A PORTION OF THE CLADDING METAL ON EACH SIDE OF THE JOINT, COVERING THE STRIP WITH A LAYER OF EXPLOSIVE AND DETONATING THE EXPLOSIVE THEREBY BONDING SAID STRIP OF CLADDING METAL TO THE CLADDING METAL BONDED TO THE SUBSTRATE,
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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |