Patent US3078563A successfully refreshed from Google Patents.
US3078563A
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US
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Method of bonding aluminum to steel by roll pressure
Assignee: Federal Mogul Bower Bearings Inc
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Filing: 1959-10-23
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Granted: 1963-02-26
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Expires: 1979-10-23
Abstract
No abstract record available.
Inventors
- 👤 James C Gould
- 👤 Brasse Gordon J Le
- 👤 Gallatin Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:02
CPC Classifications
C; C23; C23C; C23C26/00; B; B23; B23K; B23K20/00; B23K20/04; B23K20/22; B23K20/227; B23K20/2275; Y; Y10; Y10S; Y10S29/00; Y10S29/032
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
THE METHOD OF FORMING A COMPOSITE ALUMINUM AND STEEL BEARING STRIP WHICH COMPRISES PREHEATING SAID STRIPS, IN A REDUCING STMOSPHERE, ARRANGING SAID STRIPS IN A SUPERIMPOSED ENGAGING RELATION AND APPLYING BONDING PRESSURES TO OPPOSITE SIDES OF SAID STRIPS BY PASSING SAID STRIPS THROUGH A ROLL ASSEMBLY INCLUDING A PAIR OF ROLLS OF WHICH THE ONE DISPODES IN CONTACT WITH THE ALUMINUM STRIP IN LESS THAN ONE-HALF THE DIAMETER OF THE ROLL IN CONTACT WITH THE STEEL STRIP SO THAT THE UNIT PRESSURE ON SAID STRIP IS SUBSTANTIALLY HIGHER THAN THE UNIT PRESSURE ON SAID STEEL STRIP AND IS SUFFICIENT TO EFFECT A MINIMUM OF FORTY PERCENT REDUCTION IN THE THICKNESS OF THE ALUMINUM STRIP AND A MAXIMUM INCREASE IN THE THICKNESS OF THE STEEL STRIP OF ABOUT 10 ROCKWELL B UNITS.
Claim 2
Independent Claim
131 words
THE METHOD OF FORMING A COMPOSITE ALUMINUM AND STEEL BEARING STRIP WHICH COMPRISES PREHEATING SAID STRIPS, IN A REDUCING STMOSPHERE, ARRANGING SAID STRIPS IN A SUPERIMPOSED ENGAGING RELATION AND APPLYING BONDING PRESSURES TO OPPOSITE SIDES OF SAID STRIPS BY PASSING SAID STRIPS THROUGH A ROLL ASSEMBLY INCLUDING A PAIR OF ROLLS OF WHICH THE ONE DISPODES IN CONTACT WITH THE ALUMINUM STRIP IN LESS THAN ONE-HALF THE DIAMETER OF THE ROLL IN CONTACT WITH THE STEEL STRIP SO THAT THE UNIT PRESSURE ON SAID STRIP IS SUBSTANTIALLY HIGHER THAN THE UNIT PRESSURE ON SAID STEEL STRIP AND IS SUFFICIENT TO EFFECT A MINIMUM OF FORTY PERCENT REDUCTION IN THE THICKNESS OF THE ALUMINUM STRIP AND A MAXIMUM INCREASE IN THE THICKNESS OF THE STEEL STRIP OF ABOUT 10 ROCKWELL B UNITS.
References Cited (Backward Citations)
US46371A
Cited
US2212481A
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DE751164C
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US2539248A
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US2782498A
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US2763058A
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US2693121A
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US2809422A
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US2879587A
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US2908073A
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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) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |