US3331610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressurized seal structure for core boxes embodying closed cell elastomeric material
Assignee: Dike-O-Seal Inc
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Filing: 1965-01-18
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Granted: 1967-07-18
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Expires: 1985-01-18
Abstract
No abstract record available.
Inventors
- 👤 Richard L Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:23
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/46; B; B22; B22C; B22C7/00; B22C7/06; B22C7/062; B29; B29C; B29C65/00; B29C65/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A PRESSURE ASSEMBLY COMPRISING: A MEMBER HAVING A CAVITY THEREIN AND A SUBSTANTIAL INSERT-PIECE-RECEIVING RECESS OPENING INTO SAID CAVITY, AN INSERT PIECE MEMBER FREELY REMOVABLY FITTING INTO SAID RECESS, ONE OF SAID MEMBERS HAVING A SEAL STRIP GROOVE IN ITS MATING SURFACE OPPOSING THE CONFRONTING MATING SURFACE OF THE OTHER OF SAID MEMBERS, AN ELASTOMERIC SEAL STRIP FILLING SAID GROOVE AND HAVING A SEALING FACE NORMALLY SUBSTANTIALLY FLUSH WITH SAID MATING SURFACE OF SAID ONE MEMBER WHEREBY TO AVOID INTERFERENCE WITH FREE INSERTION AND REMOVAL OF SAID INSERT PIECE MEMBER, SAID GROOVE HAVING A ROOT SURFACE AND SAID SEAL STRIP HAVING AN OPPOSING BACK SURFACE WHICH ARE FREE FROM ONE ANOTHR ALTHOUGH NORMALLY IN ABUTTING CONFRONTATION, AND MEANS FOR INTRODUCING PRESSURE FLUID BETWEEN SAID ROOT AND BACK SURFACES TO PRESSURIZE THE SEAL STRIP TO THRUST SAID SEALING FACE AGAINST THE CONFRONTING MATING SURFACE.
Claim 2
Dependent Claim
143 words
A PRESSURE ASSEMBLY COMPRISING: A MEMBER HAVING A CAVITY THEREIN AND A SUBSTANTIAL INSERT-PIECE-RECEIVING RECESS OPENING INTO SAID CAVITY, AN INSERT PIECE MEMBER FREELY REMOVABLY FITTING INTO SAID RECESS, ONE OF SAID MEMBERS HAVING A SEAL STRIP GROOVE IN ITS MATING SURFACE OPPOSING THE CONFRONTING MATING SURFACE OF THE OTHER OF SAID MEMBERS, AN ELASTOMERIC SEAL STRIP FILLING SAID GROOVE AND HAVING A SEALING FACE NORMALLY SUBSTANTIALLY FLUSH WITH SAID MATING SURFACE OF SAID ONE MEMBER WHEREBY TO AVOID INTERFERENCE WITH FREE INSERTION AND REMOVAL OF SAID INSERT PIECE MEMBER, SAID GROOVE HAVING A ROOT SURFACE AND SAID SEAL STRIP HAVING AN OPPOSING BACK SURFACE WHICH ARE FREE FROM ONE ANOTHR ALTHOUGH NORMALLY IN ABUTTING CONFRONTATION, AND MEANS FOR INTRODUCING PRESSURE FLUID BETWEEN SAID ROOT AND BACK SURFACES TO PRESSURIZE THE SEAL STRIP TO THRUST SAID SEALING FACE AGAINST THE CONFRONTING MATING SURFACE.
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) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |