US3173694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasket
Assignee: HAMILTON KENT MANUFACTURING COMPANY Inc
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Filing: 1962-08-24
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Granted: 1965-03-16
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Expires: 1982-08-24
Abstract
No abstract record available.
Inventors
- 👤 Tracy D Nathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:52
CPC Classifications
F; F16; F16L; F16L17/00; F16L17/02; F16L17/03; F16L17/035
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
187 words
THE PROCESS OF FORMING A SEAL BETWEEN ADJACENT ENDS OF FIRST AND SECOND PIPES WHILE TELESCOPING OVER AN ANNULAR GASKET BETWEEN THEM, WHICH GASKET COMPRISES A BASE PORTION LOCATED ON THE FIRST PIPE AND AN EXTENSIBLE PORTION ARCHED THEREFROM FROM THE REAR INTO CONTACT WITH A RIDGE TOWARD THE FRONT OF THE BASE PORTION, WITH AN ANNULAR HOLLOW BETWEEN SAID PORTIONS TO THE REAR OF THE RIDGE AND A LIP ON THE EXTENSIBLE PORTION TAPERING TO A TIP WHICH LIP IS IMMEDIATELY FORWARD OF THE AREA OF SAID EXTENSIBLE PORTION WHICH CONTACTS THE RIDGE, WITH THE EXTENSIBLE PORTION TEETERABLE ON SAID RIDGE SO AS TO RAISE AND LOWER THE LIP AS THE ARCH IS DEPRESSED, WHICH PROCESS COMPRISES MOVING THE SECOND PIPE INTO CONTACT WITH THE REAR OF THE ARCH AND IN DOING SO SQUEEZING THE GASKET AND EXTENDING THE EXTENSIBLE PORTION FORWARD AND MOVING FORWARD THE AREA THEREOF WHICH CONTACTS THE RIDGE AND TEETERING THAT PART OF THE EXTENSIBLE PORTION ON THE RIDGE AND POINTING THE LIP INTO THE PATH OF THE FORWARDLY MOVING SECOND PIPE AND PRESSING IT FLUSH INTO CONTACT WITH THE SECOND PIPE.
References Cited (Backward Citations)
BE557047A
Cited
US3020054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |