US3168779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of assembling pipe couplings
Assignee: Individual
•
Filing: 1964-04-06
•
Granted: 1965-02-09
•
Expires: 1984-04-06
Abstract
No abstract record available.
Inventors
- 👤 Edward H Schustack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:27
CPC Classifications
F; F16; F16L; F16L21/00; F16L21/02; F16L21/022; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/53; Y10T29/53657
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
THE METHOD OF ASSEMBLING A COUPLING SLEEVE OVER THE ADJACENT ENDS OF TWO PIPES, THE SLEEVE BEING PROVIDED WITH TWO ANNULAR GASKETS THAT ARE DISPOSED IN INWARDLY OPEN AND LONGITUDINALLY SPACED ANNULAR GROOVES AND ARE ADAPTED TO SEAL AROUND THE RESPECTIVE PIPES, SAID METHOD CONSISTING IN FIRST EXPANDING THE INNER DIAMETER OF ONE GASKET WHILE SIMULTANEOUSLY RADIALLY COMPRESSING THE SAME INTO ITS GROOVE AND THEN EXPANDING THE INNER DIAMETER OF THE OTHER GADKET WHILE SIMULTANEOUSLY RADIALLY COMPRESSING THE SAME INTO ITS GROOVE WHILE RETAINING THE INITIAL LONGITUDINAL SPACING OF THE TWO GASKETS, INSERTING THE END OF ONE PIPE INTO THE FIRST-EXPANDED GASKET AND THEN INTO THE OTHER GASKET SO THAT SAID ONE PIPE MAINTAINS BOTH LONGITUDINALLY SPACED GASKETS EXPANDED, PLACING THE END OF THE OTHER PIPE IN ABUTMENT AGAINST THE MENTIONED END OF THE FIRST PIPE IN ABUTMENT AGAINST THE SLEEVE TOGETHER WITH THE LONGITUDINALLY SPACED GASKETS WITH THEIR INCREASED INNER DIAMETER AND RADIAL COMPRESSION INTO SAID GROOVES RELATIVELY TO THE ABUTTED PIPES TO SLIDINGLY RETRACT THE FIRST PIPE FROM ENGAGEMENT BY SAID OTHER GASKET AND SLIDINGLY PROJECT SAID OTHER PIPE THROUGH THE LATTER GASKET TO BRING THE ABUTTED ENDS OF THE TWO PIPES TO A POSITION INTERMEDIATE THE GASKETS.
Claim 2
Independent Claim
200 words
THE METHOD OF ASSEMBLING A COUPLING SLEEVE OVER THE ADJACENT ENDS OF TWO PIPES, THE SLEEVE BEING PROVIDED WITH TWO ANNULAR GASKETS THAT ARE DISPOSED IN INWARDLY OPEN AND LONGITUDINALLY SPACED ANNULAR GROOVES AND ARE ADAPTED TO SEAL AROUND THE RESPECTIVE PIPES, SAID METHOD CONSISTING IN FIRST EXPANDING THE INNER DIAMETER OF ONE GASKET WHILE SIMULTANEOUSLY RADIALLY COMPRESSING THE SAME INTO ITS GROOVE AND THEN EXPANDING THE INNER DIAMETER OF THE OTHER GADKET WHILE SIMULTANEOUSLY RADIALLY COMPRESSING THE SAME INTO ITS GROOVE WHILE RETAINING THE INITIAL LONGITUDINAL SPACING OF THE TWO GASKETS, INSERTING THE END OF ONE PIPE INTO THE FIRST-EXPANDED GASKET AND THEN INTO THE OTHER GASKET SO THAT SAID ONE PIPE MAINTAINS BOTH LONGITUDINALLY SPACED GASKETS EXPANDED, PLACING THE END OF THE OTHER PIPE IN ABUTMENT AGAINST THE MENTIONED END OF THE FIRST PIPE IN ABUTMENT AGAINST THE SLEEVE TOGETHER WITH THE LONGITUDINALLY SPACED GASKETS WITH THEIR INCREASED INNER DIAMETER AND RADIAL COMPRESSION INTO SAID GROOVES RELATIVELY TO THE ABUTTED PIPES TO SLIDINGLY RETRACT THE FIRST PIPE FROM ENGAGEMENT BY SAID OTHER GASKET AND SLIDINGLY PROJECT SAID OTHER PIPE THROUGH THE LATTER GASKET TO BRING THE ABUTTED ENDS OF THE TWO PIPES TO A POSITION INTERMEDIATE THE GASKETS.
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) | 1968-02-09 | 1968-08-10 | 1969-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-09 | 1972-08-10 | 1973-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-09 | 1976-08-10 | 1977-02-09 | $7700.00 | Window Closed / Lapsed |