Patent US3116548A successfully refreshed from Google Patents.
US3116548A
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Method of bonding metal members
Assignee: AO Smith Corp
•
Filing: 1958-01-03
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Granted: 1964-01-07
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Expires: 1978-01-03
Abstract
No abstract record available.
Inventors
- 👤 Orrin E Andrus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:46
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/02; B23K20/021; B30; B30B; B30B5/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
IN THE METHOD OF BONDING A PAIR OF METAL MEMBERS ASSEMBLED IN MUTUALLY FACING RELATION AND SEALED AROUND THEIR EDGES BY SUBMERGING THE SAME IN A MOLTEN SALT BATH CONFINED WITHIN A CHAMBER, THE STEP OF CONTROLLABLY RELEASING A FLUID WITHIN SAID CHAMBER TO PROVIDE AN INCREASE IN PRESSURE WITHIN THE CONFINES OF THE CHAMBER, SAID INCREASED PRESSURE BEING TRANSMITTER UNIFORMLY TO SAID MEMBERS THROUGH SAID SALT BATH TO FORCE THE MEMBERS IMTIMATELY TOGETHER OVER THEIR CONTACTING AREAS TO EFFECT A BONDING OF THE MEMBERS.
Claim 2
Dependent Claim
85 words
IN THE METHOD OF BONDING A PAIR OF METAL MEMBERS ASSEMBLED IN MUTUALLY FACING RELATION AND SEALED AROUND THEIR EDGES BY SUBMERGING THE SAME IN A MOLTEN SALT BATH CONFINED WITHIN A CHAMBER, THE STEP OF CONTROLLABLY RELEASING A FLUID WITHIN SAID CHAMBER TO PROVIDE AN INCREASE IN PRESSURE WITHIN THE CONFINES OF THE CHAMBER, SAID INCREASED PRESSURE BEING TRANSMITTER UNIFORMLY TO SAID MEMBERS THROUGH SAID SALT BATH TO FORCE THE MEMBERS IMTIMATELY TOGETHER OVER THEIR CONTACTING AREAS TO EFFECT A BONDING OF THE MEMBERS.
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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) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |