US3208136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of joining pipe
Assignee: Individual
•
Filing: 1963-08-16
•
Granted: 1965-09-28
•
Expires: 1983-08-16
Abstract
No abstract record available.
Inventors
- 👤 Joslin Alvin Earl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:23
CPC Classifications
F; F16; F16L; F16L13/00; F16L13/14; F16L13/16; F16L13/166; B; B21; B21D; B21D39/00; B21D39/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49885; Y10T29/49908; Y10T29/49915; Y10T29/49938; Y10T29/4994
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
METHOD OF JOINING A FIRST PIPE AND A SECOND PIPE,, SAID PIPES BEING MADE FROM SUBSTANTIALLY PERMANENTLY DEFORMABLE MATERIAL, COMPRISING, FORMING AN ANNULAR GROOVE IN AN END PORTION OF SAID FIRST PIPE, SAID ANNULAR GROOVE EXTENDING SUBSTANTIALLY RADIALLY INWARDLY OF SAID FIRST PIPE WHEREBY THE SIDES OF SAID GROOVE WILL EEXPAND UNDER AXIAL COMPRESSION, FORMING A BELL ON AN END OF SAID SECOND PIPE INCLUDING AN ANNULAR SHOULDER CONNECTING SAID BELL AND THE REMAINDER OF SAID SECOND PIPE, INSERTING SAID END PORTION INCLUDING SAID GROOVE INTO SAID BELL TO ABUT SAID END PORTION AGAINST SAID SHOULDER, TELESCOPICALLY FORCING SAID FIRST PIPE AND SAID SECOND PIPE TOGETHER, BUCKLING THE WALL OF SAID FIRST PIPE AT SAID GROOVE TO EXPAND THE WALL OF SAID END PORTION OUTWARDLY ALONG THE SIDES OF SAID GROOVE AGAINST THE INTERIOR WALL OF SAID BELL AND PRODUCCE AT LEAST ONE ANNULAR DEFORMATION IN THE WALL OF SAID SECOND PIPE ADJACENT TO SAID GROOVE.
Claim 2
Dependent Claim
156 words
METHOD OF JOINING A FIRST PIPE AND A SECOND PIPE,, SAID PIPES BEING MADE FROM SUBSTANTIALLY PERMANENTLY DEFORMABLE MATERIAL, COMPRISING, FORMING AN ANNULAR GROOVE IN AN END PORTION OF SAID FIRST PIPE, SAID ANNULAR GROOVE EXTENDING SUBSTANTIALLY RADIALLY INWARDLY OF SAID FIRST PIPE WHEREBY THE SIDES OF SAID GROOVE WILL EEXPAND UNDER AXIAL COMPRESSION, FORMING A BELL ON AN END OF SAID SECOND PIPE INCLUDING AN ANNULAR SHOULDER CONNECTING SAID BELL AND THE REMAINDER OF SAID SECOND PIPE, INSERTING SAID END PORTION INCLUDING SAID GROOVE INTO SAID BELL TO ABUT SAID END PORTION AGAINST SAID SHOULDER, TELESCOPICALLY FORCING SAID FIRST PIPE AND SAID SECOND PIPE TOGETHER, BUCKLING THE WALL OF SAID FIRST PIPE AT SAID GROOVE TO EXPAND THE WALL OF SAID END PORTION OUTWARDLY ALONG THE SIDES OF SAID GROOVE AGAINST THE INTERIOR WALL OF SAID BELL AND PRODUCCE AT LEAST ONE ANNULAR DEFORMATION IN THE WALL OF SAID SECOND PIPE ADJACENT TO SAID GROOVE.
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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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |