US2962408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing sockets on pipes
Assignee: Eternit SpA
•
Filing: 1955-05-13
•
Granted: 1960-11-29
•
Expires: 1975-05-13
Abstract
No abstract record available.
Inventors
- 👤 Fourmanoit Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:40
CPC Classifications
B; B28; B28B; B28B21/00; B28B21/70; B28B21/74; Y; Y10; Y10S; Y10S425/00; Y10S425/218
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A METHOD FOR PRODUCING A SOCKET ON THE END OF A PIPE OF ASBESTOS-CEMENT MATERIAL COMPRISING THE STEPS OF FORMING A PIPE OF ASBETOS-CEMENT MATERIAL, FORMING A TUBULAR STRUCTURE OF ASBESTOR-CEMENT MATERIAL HAVING A SHAPE CORRESPONDING GENERALLY TO THE SHAPE OF THE DESIRED SOCKET WITH AN INTERNAL DIAMETER AT ONE END PORTION OF THE TUBULAR STRUCTURE ONLY SLIGHTLY GREATER THAN THE EXTERNAL DIAMETER OF THE PIPE ON WHICH A SOCKET IS TO BE PRODUCED, PLACING SAID ONE END PORTION OF THE TUBULAR STRUCTURE OVER AN END OF THE PIPE WITH THE REMAINDER OF THE TUBULAR STRUCTURE PROJECTING AXIALLY BEYOND SAID END OF THE PIPE, AND APPLYING AXIAL PRESSURES TO SAID TUBULAR STRUCTURE AND SAID END OF THE PIPE AND A YIELDABLE RADIALLY OUTWARD PRESSURE TO SAID END OF THE PIPE TO UNITE SAID TUBULAR STRUCTURE AND SAID PIPE WITH SAID REMAINDER OF THE TUBULAR STRUCTURE DEFINING A SOCKET AT SAID END OF THE PIPE WHILE EXCESSIVE DEFORMATION IS AVOIDED IN THE ASBESTOS-CEMENT MATERIAL FORMING A JUNCTION BETWEEN SAID SOCKET AND SAID PIPE.
Claim 2
Independent Claim
172 words
A METHOD FOR PRODUCING A SOCKET ON THE END OF A PIPE OF ASBESTOS-CEMENT MATERIAL COMPRISING THE STEPS OF FORMING A PIPE OF ASBETOS-CEMENT MATERIAL, FORMING A TUBULAR STRUCTURE OF ASBESTOR-CEMENT MATERIAL HAVING A SHAPE CORRESPONDING GENERALLY TO THE SHAPE OF THE DESIRED SOCKET WITH AN INTERNAL DIAMETER AT ONE END PORTION OF THE TUBULAR STRUCTURE ONLY SLIGHTLY GREATER THAN THE EXTERNAL DIAMETER OF THE PIPE ON WHICH A SOCKET IS TO BE PRODUCED, PLACING SAID ONE END PORTION OF THE TUBULAR STRUCTURE OVER AN END OF THE PIPE WITH THE REMAINDER OF THE TUBULAR STRUCTURE PROJECTING AXIALLY BEYOND SAID END OF THE PIPE, AND APPLYING AXIAL PRESSURES TO SAID TUBULAR STRUCTURE AND SAID END OF THE PIPE AND A YIELDABLE RADIALLY OUTWARD PRESSURE TO SAID END OF THE PIPE TO UNITE SAID TUBULAR STRUCTURE AND SAID PIPE WITH SAID REMAINDER OF THE TUBULAR STRUCTURE DEFINING A SOCKET AT SAID END OF THE PIPE WHILE EXCESSIVE DEFORMATION IS AVOIDED IN THE ASBESTOS-CEMENT MATERIAL FORMING A JUNCTION BETWEEN SAID SOCKET AND SAID PIPE.
References Cited (Backward Citations)
US488517A
Cited
US1885969A
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US2423965A
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US2528155A
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US2694349A
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US2549686A
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US2730160A
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US2768920A
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US2783174A
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US2729270A
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US2783173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |