Patent US3234645A successfully refreshed from Google Patents.
US3234645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction welding
Assignee: AMF Inc
•
Filing: 1964-02-04
•
Granted: 1966-02-15
•
Expires: 1984-02-04
Abstract
No abstract record available.
Inventors
- 👤 Hollander Milton Bernard
- 👤 Rosenberg Edgar Lynn Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:15
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
81 words
THE METHOD OF WELDING A METAL BAND TO A METAL OBJECT HAVING A CYLINDRICAL PORTION, WHICH COMPRISES: SPLITTING THE METAL BAND, CLAMPING THE METAL BAND ABOUT THE CYLINDRICAL PORTION OF THE METAL OBJECT WITH A FORCE SUFFICIENT TO BRING SAID BAND AND OBJECT TOGETHER, ROTATING THE METAL OBJECT RELATIVE TO THE BAND UNTIL THE METAL BECOMES PLASTIC IN THE CONTACT AREA AND RAPIDLY STOPPING THE RELATIVE ROTATION OF THE BAND AND OBJECT WHILE CONTINUING TO CLAMP THE BAND THE METAL OBJECT.
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |