Patent US3064647A successfully refreshed from Google Patents.
US2986464A
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Method for manufacturing bearing materials
Assignee: Federal Mogul Bower Bearings Inc
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Filing: 1959-04-27
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Granted: 1961-05-30
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Expires: 1979-04-27
Abstract
No abstract record available.
Inventors
- 👤 Edward J Lewis
- 👤 James W O'brien
- 👤 Hedley R Colby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:11
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/14; B; B22; B22F; B22F7/00; B22F7/002; B22F7/02; B22F7/04; F16C2220/00; F16C2220/20; F16C2220/60; F16C2223/00; F16C2223/30; F16C2223/32; F16C2223/40; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49705; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/1216
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
THE METHOD OF MANUFACTURING COMPOSITE BEARING MATERIAL CONSISTING OF A STEEL BACKING STRIP AND A LAYER OF METAL POWDER OF APPROXIMATELY 64 TO 88 PERCENT COPPER, 8 TO 35 PERCENT LEAD AND 0.5 TO 10 PERCENT TIN COMPOSITION BONDED TO THE BACKING MEMBER, SAID METHOD CONSISTING OF APPLYING SAID POWDER IN LOOSE FORM TO SAID BACKING STRIP, HEATING SAID POWDER TO A TEMPERATURE SUFFICIENT TO SINTER IT AND BOND IT TO THE BACKING STRIP, COOLING THE COMPOSITE BACKING AND POWDER STRIP, ROLLING THE COMPOSITE BACKING AND POWDER STRIP TO SUBSTANTIALLY ELIMINATE THE PORES IN THE POWDER, LAYER, RE-HEATING SAID STRIP TO SUBSTANTIALLY SAID SINTERING TEMPERATURE, AND DIPPING SAID STRIP IN A LEAD BATH AT A TEMPERATURE OF BETWEEN 700 AND 900 DEGREES FAHRENHEIT TO PROVIDE FOR A FILLING OF THE PORES WHICH REMAINED AFTER SAID ROLLING STEP WITH LEAD FROM THE BATH.
Claim 2
Independent Claim
142 words
THE METHOD OF MANUFACTURING COMPOSITE BEARING MATERIAL CONSISTING OF A STEEL BACKING STRIP AND A LAYER OF METAL POWDER OF APPROXIMATELY 64 TO 88 PERCENT COPPER, 8 TO 35 PERCENT LEAD AND 0.5 TO 10 PERCENT TIN COMPOSITION BONDED TO THE BACKING MEMBER, SAID METHOD CONSISTING OF APPLYING SAID POWDER IN LOOSE FORM TO SAID BACKING STRIP, HEATING SAID POWDER TO A TEMPERATURE SUFFICIENT TO SINTER IT AND BOND IT TO THE BACKING STRIP, COOLING THE COMPOSITE BACKING AND POWDER STRIP, ROLLING THE COMPOSITE BACKING AND POWDER STRIP TO SUBSTANTIALLY ELIMINATE THE PORES IN THE POWDER, LAYER, RE-HEATING SAID STRIP TO SUBSTANTIALLY SAID SINTERING TEMPERATURE, AND DIPPING SAID STRIP IN A LEAD BATH AT A TEMPERATURE OF BETWEEN 700 AND 900 DEGREES FAHRENHEIT TO PROVIDE FOR A FILLING OF THE PORES WHICH REMAINED AFTER SAID ROLLING STEP WITH LEAD FROM THE BATH.
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) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |