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US3115797A
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US
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Mandrel swage
Assignee: EARL E HOWE
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Filing: 1961-01-18
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Granted: 1963-12-31
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Expires: 1981-01-18
Abstract
No abstract record available.
Inventors
- 👤 Earl E Howe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:59
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929; Y10T29/53; Y10T29/53987
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
IN A DEVICE FOR SECURING A FERRULE ON A THIN WALL TUBE, A PAIR OF SWAGING DIES WITH OPPOSED CHANNELS TO RECEIVE WITHIN ONE END PORTION THEREOF A THIN WALL TUBE AND TO RECEIVE IN THE OPPOSITE END PORTION THEREOF A MANDREL, A WORKING STATION IN SAID FIRST-NAMED END PORTION OF THE CHANNELS CONFORMING GENERALLY TO THE EXTERIOR SURFACE OF A FERRULE POSITIONED AROUND THE TUBE BUT OF LESS DIAMETER IN THE OUTER AXIAL AREAS SO AS TO COMPRESS THE OUTER EDGES OF THE FERRULE INTO THE SURFACE OF THE TUBE WHEN THE DIES ARE FORCED TOGETHER, AND A MANDREL HAVING AN END SEGMENT OF A DIAMETER GENERALLY EQUAL TO THE INSIDE DIAMETER OF THE TUBE ADAPTED TO BE INSERTED IN THE TUBE WITHIN THE WORKING STATION TO SUPPORT THE TUBE UNDER DIE PRESSURE, THE REMAINING SEGMENT OF SAID MANDREL HAVING A DIAMETER GREATER THAN THAT OF SAID MANDREL END SEGMENT BUT LESS THAN THE OUTER DIAMETER OF SAID TUBE.
Claim 2
Dependent Claim
160 words
IN A DEVICE FOR SECURING A FERRULE ON A THIN WALL TUBE, A PAIR OF SWAGING DIES WITH OPPOSED CHANNELS TO RECEIVE WITHIN ONE END PORTION THEREOF A THIN WALL TUBE AND TO RECEIVE IN THE OPPOSITE END PORTION THEREOF A MANDREL, A WORKING STATION IN SAID FIRST-NAMED END PORTION OF THE CHANNELS CONFORMING GENERALLY TO THE EXTERIOR SURFACE OF A FERRULE POSITIONED AROUND THE TUBE BUT OF LESS DIAMETER IN THE OUTER AXIAL AREAS SO AS TO COMPRESS THE OUTER EDGES OF THE FERRULE INTO THE SURFACE OF THE TUBE WHEN THE DIES ARE FORCED TOGETHER, AND A MANDREL HAVING AN END SEGMENT OF A DIAMETER GENERALLY EQUAL TO THE INSIDE DIAMETER OF THE TUBE ADAPTED TO BE INSERTED IN THE TUBE WITHIN THE WORKING STATION TO SUPPORT THE TUBE UNDER DIE PRESSURE, THE REMAINING SEGMENT OF SAID MANDREL HAVING A DIAMETER GREATER THAN THAT OF SAID MANDREL END SEGMENT BUT LESS THAN THE OUTER DIAMETER OF SAID TUBE.
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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |