US3124874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fastening pipe together
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:20
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/24; A44B19/40; A44B19/403; B; B21; B21D; B21D39/00; B21D39/04; Y; Y10; Y10S; Y10S285/00; Y10S285/915; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49885; Y10T29/49908; Y10T29/49925; Y10T29/49934
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
THE METHOD OF FASTENING TOGETHER METAL PIPE WITH SUBSTANTIAL SPRINGBACK CHARACTERISTICS AND HAVING A BELL END AND A PIN END COMPRISING, INSERTING THE PIN END OF ONE PIPE INTO THE BELL END OF ANOTHER PIPE, AND PROGRESSIVELY REDUCING THE DIAMETER OF THE BELL ALONG ITS AXIAL DIMENSION AND RADIALLY INWARDLY DEFORMING BOTH THE BELL AND PIN BY DRAWING A RING-TYPE SWAGING DIE OF LESS DIAMETER THAN THE BELL OVER THE BELL IN A DIRECTION ALONG THE AXIAL DIMENSION OF THE BELL, SAID DIE HAVING A CYLINDRICAL PORTION AXIALLY EXTENDING FROM THE MOUTH OF THE DIE TO PREVENT THE RADIALLY INWARDLY DEFORMED PORTION OF THE BELL ADJACENT THE MOUTH OF THE DIE FROM SPRINGING BACK AS THE BELL AND PIN ARE DEFORMED.
Claim 2
Independent Claim
121 words
THE METHOD OF FASTENING TOGETHER METAL PIPE WITH SUBSTANTIAL SPRINGBACK CHARACTERISTICS AND HAVING A BELL END AND A PIN END COMPRISING, INSERTING THE PIN END OF ONE PIPE INTO THE BELL END OF ANOTHER PIPE, AND PROGRESSIVELY REDUCING THE DIAMETER OF THE BELL ALONG ITS AXIAL DIMENSION AND RADIALLY INWARDLY DEFORMING BOTH THE BELL AND PIN BY DRAWING A RING-TYPE SWAGING DIE OF LESS DIAMETER THAN THE BELL OVER THE BELL IN A DIRECTION ALONG THE AXIAL DIMENSION OF THE BELL, SAID DIE HAVING A CYLINDRICAL PORTION AXIALLY EXTENDING FROM THE MOUTH OF THE DIE TO PREVENT THE RADIALLY INWARDLY DEFORMED PORTION OF THE BELL ADJACENT THE MOUTH OF THE DIE FROM SPRINGING BACK AS THE BELL AND PIN ARE DEFORMED.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |