US3190094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for drum ring parting
Assignee: Motor Wheel Corp
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Filing: 1962-12-03
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Granted: 1965-06-22
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Expires: 1982-12-03
Abstract
No abstract record available.
Inventors
- 👤 Frank J Kutas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:20
CPC Classifications
B; B23; B23D; B23D21/00; B23D21/14; Y; Y10; Y10T; Y10T225/00; Y10T225/10; Y10T225/12; Y10T225/30; Y10T225/371; Y10T83/00; Y10T83/768; Y10T83/7809
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
136 words
IN THE METHOD OF MAKING BRAKE DRUMS WHEREIN A LINING OF IRON IS CAST INTO A STEEL DRUM BAND HAVING A CONTOUR OF TWO SINGLE DRUMS WITH THEIR OPEN ENDS JOINED AT A PROPOSED LINE OF PARTING TO FORM A DOUBLE BRAKE DRUM WITH SAID LINING SECURED TO SAID BAND BY A METALLURGICAL BOND, THE STEP OF PARTING SAID DOUBLE DRUM TO FORM TWO SINGLE BRAKE DRUMS BY APPLYING WITH A TOOL A LOCALIZED RADIALLY OUTWARD PRESSURE TO THE INNER SURFACE OF SAID LINING AT SAID PROPOSED LINE OF PARTING WHILE SIMULTANEOUSLY APPLYING WITH A TOOL A LOCALIZED RADIALLY INWARD PRESSURE TO THE OUTER SURFACE OF SAID BAND AT SAID PROPOSED LINE OF PARTING TO SEVER SAID BAND AND GROOVE SAID LINING AT OPPOSITE SURFACES THEREOF UNTIL SAID LINING SEPARATES ALONG SAID PROPOSED LINE OF PARTING.
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |