US3094337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal ring
Assignee: Universal Packing and Gasket Co
•
Filing: 1960-10-31
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Granted: 1963-06-18
•
Expires: 1980-10-31
Abstract
No abstract record available.
Inventors
- 👤 Aaron J Pippert
- 👤 E B Heathcott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:06
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/166; Y; Y10; Y10S; Y10S285/00; Y10S285/918
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A COMPOSITE SEAL RING COMPRISING A TUBULAR BODY HAVING AN ANNULAR MASS OF A RELATIVELY SOFT THERMOPLASTIC SEALING MATERIAL INTERMEDIATE ITS ENDS AND OPPOSED ANTIEXTRUSION ELEMENTS AT EACH OF ITS ENDS, EACH OF SAID END ANTI-EXTRUSION ELEMENTS INCLUDING A PAIR OF CONCENTRIC RADIALLY SPACED APART RINGS MOLDED TO SAID SEALING MATERIAL AND DEFINING THE INNER AND OUTER CORNERS, RESPECTIVELY, OF SAID TUBULAR BODY, EACH OF SAID RINGS BEING OF A FABRIC REINFORCED THERMOSETTING MATERIAL, THE WEAVE OF SAID FABRIC BEING POSITIONED ON A BIAS WITH RESPECT TO THE CIRCUMFERENTIAL EXTENT OF THE RING SO THAT FORCES TENDING TO PRODUCE EXPANSION AND CONTRACTION OF THE RINGS ARE DIRECTED ACROSS ALL THE INDIVIDUAL THREADS OF THE WEAVE.
Claim 2
Dependent Claim
115 words
A COMPOSITE SEAL RING COMPRISING A TUBULAR BODY HAVING AN ANNULAR MASS OF A RELATIVELY SOFT THERMOPLASTIC SEALING MATERIAL INTERMEDIATE ITS ENDS AND OPPOSED ANTIEXTRUSION ELEMENTS AT EACH OF ITS ENDS, EACH OF SAID END ANTI-EXTRUSION ELEMENTS INCLUDING A PAIR OF CONCENTRIC RADIALLY SPACED APART RINGS MOLDED TO SAID SEALING MATERIAL AND DEFINING THE INNER AND OUTER CORNERS, RESPECTIVELY, OF SAID TUBULAR BODY, EACH OF SAID RINGS BEING OF A FABRIC REINFORCED THERMOSETTING MATERIAL, THE WEAVE OF SAID FABRIC BEING POSITIONED ON A BIAS WITH RESPECT TO THE CIRCUMFERENTIAL EXTENT OF THE RING SO THAT FORCES TENDING TO PRODUCE EXPANSION AND CONTRACTION OF THE RINGS ARE DIRECTED ACROSS ALL THE INDIVIDUAL THREADS OF THE WEAVE.
References Cited (Backward Citations)
FR1193987A
Cited
US1928259A
Cited
US2194944A
Cited
US2308149A
Cited
US2676823A
Cited
US2960332A
Cited
US2862736A
Cited
US2968516A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |