US3185508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wedge seal coupling
Assignee: Individual
•
Filing: 1961-08-24
•
Granted: 1965-05-25
•
Expires: 1981-08-24
Abstract
No abstract record available.
Inventors
- 👤 Emil A Bender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:01
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/02; F16L37/04; F16L37/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A PIPE COUPLING COMPRISING A TUBULAR SLEEVE, A TUBULAR INSERT RECEIVED CONCENTRICALLY WITHIN SAID SLEEVE WITH SUBSTANTIAL CLEARANCE BETWEEN SAID INSERT AND SAID SLEEVE, A FIRST RING INWARDLY SECURED WITHIN SAID SLEEVE AND RADIALLY SPACED FROM SAID INSERT, A SECOND RING SLIDABLY RECEIVED IN SAID SLEEVE, SAID RINGS HAVING OPPOSED, SLANT FACES WHICH DIVERGE PROGRESSIVELY ALONG LINES EXTENDING RADIALLY INWARDLY OF SAID SLEEVE, A SOLID RESILIENT RING OF RUBBERY MATERIAL LOCATED BETWEEN SAID RINGS AND HAVING SLANT FACES COMPLEMENTARY TO THE SLANT FACES OF SAID FIRST AND SECOND RINGS, WHEREBY TO BE DEFORMED RADIALLY INWARDLY UPON APPROACH OF SAID SECOND RING TO SAID FIRST RING, AT LEAST TWO RADIALLY INWARDLY EXTENDING PINS SECURED TO SAID SLEEVE AND DISPOSED SYMMETRICALLY THEREABOUT, A CAM ECCENTRICALLY PIVOTED ON EACH
Claim 2
Dependent Claim
126 words
A PIPE COUPLING COMPRISING A TUBULAR SLEEVE, A TUBULAR INSERT RECEIVED CONCENTRICALLY WITHIN SAID SLEEVE WITH SUBSTANTIAL CLEARANCE BETWEEN SAID INSERT AND SAID SLEEVE, A FIRST RING INWARDLY SECURED WITHIN SAID SLEEVE AND RADIALLY SPACED FROM SAID INSERT, A SECOND RING SLIDABLY RECEIVED IN SAID SLEEVE, SAID RINGS HAVING OPPOSED, SLANT FACES WHICH DIVERGE PROGRESSIVELY ALONG LINES EXTENDING RADIALLY INWARDLY OF SAID SLEEVE, A SOLID RESILIENT RING OF RUBBERY MATERIAL LOCATED BETWEEN SAID RINGS AND HAVING SLANT FACES COMPLEMENTARY TO THE SLANT FACES OF SAID FIRST AND SECOND RINGS, WHEREBY TO BE DEFORMED RADIALLY INWARDLY UPON APPROACH OF SAID SECOND RING TO SAID FIRST RING, AT LEAST TWO RADIALLY INWARDLY EXTENDING PINS SECURED TO SAID SLEEVE AND DISPOSED SYMMETRICALLY THEREABOUT, A CAM ECCENTRICALLY PIVOTED ON EACH
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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) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |