US3134169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction welding
Assignee: AMF Inc
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Filing: 1963-04-24
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Granted: 1964-05-26
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Expires: 1983-04-24
Abstract
No abstract record available.
Inventors
- 👤 Hollander Milton Bernard
- 👤 Camps-Campins Michael Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:26
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
THE PROCESS OF FRICTION WELDING STEEL WORKPIECES COMPRISING THE STEPS OF ESTABLISHING A RELATIVE ROTATION BETWEEN WORKPIECES WITH AN AVERAGE RELATIVE SURFACE SPEED BETWEEN 15 AND 70 FEET PER SECOND, FORCING SAID WORKPIECES TOGETHER WITH A PRESSURE FROM 1000 TO 10,000 POUNDS PER SQUARE INCH IN THE AREA OF CONTACT BETWEEN THE WORKPIECES, RAPIDLY STOPPING THE RELATIVE ROTATION OF THE WORKPIECES, AND THEREAFTER APPLYING A HIGHER PRESSURE FORCING THE WORKPIECES TOGETHER AND MOLTEN METAL FROM THE AREA OF CONTACT.
Claim 2
Dependent Claim
79 words
THE PROCESS OF FRICTION WELDING STEEL WORKPIECES COMPRISING THE STEPS OF ESTABLISHING A RELATIVE ROTATION BETWEEN WORKPIECES WITH AN AVERAGE RELATIVE SURFACE SPEED BETWEEN 15 AND 70 FEET PER SECOND, FORCING SAID WORKPIECES TOGETHER WITH A PRESSURE FROM 1000 TO 10,000 POUNDS PER SQUARE INCH IN THE AREA OF CONTACT BETWEEN THE WORKPIECES, RAPIDLY STOPPING THE RELATIVE ROTATION OF THE WORKPIECES, AND THEREAFTER APPLYING A HIGHER PRESSURE FORCING THE WORKPIECES TOGETHER AND MOLTEN METAL FROM THE AREA OF CONTACT.
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) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |