Patent US2228895A successfully refreshed from Google Patents.
Patent US3408731A successfully refreshed from Google Patents.
US3408731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of retaining cover member on pressure vessel
Assignee: MERCIER JACQUES H 180 GLENBROOK ROAD STAMFORD
•
Filing: 1966-04-25
•
Granted: 1968-11-05
•
Expires: 1986-04-25
Abstract
No abstract record available.
Inventors
- 👤 Mercier Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:31
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/02; F15B1/04; F15B1/08; F15B1/10; F15B1/12; F15B1/106; F15B2201/00; F15B2201/20; F15B2201/205; F15B2201/30; F15B2201/315; F15B2201/3152; F15B2201/3156; F15B2201/40; F15B2201/415; F15B2201/4155; F15B2201/43; F15B2201/435; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918; Y10T29/49925; Y10T29/49934
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
245 words
THE METHOD OF RETAINING A COVER MEMBER HAVING AN UPWARDLY INCLINED TOP SURFACE AND A CURVED PERIPHERY IN FIXED POSITION IN A CYLINDRICAL PRESSURE VESSEL HAVING AN ENLARGED DIAMETER CYLINDRICAL MOUTH DEFINING A CURVED SHOULDER TO RESTRAIN AXIAL MOVEMENT OF THE COVER MEMBER IN USE OF THE PRESSURE VESSEL, DUE TO VARIATION OF PRESSURE THEREIN, WHICH COMPRISES THE STEPS OF INSERTING THE COVER MEMBER INTO THE MOUTH OF THE PRESSURE VESSEL SO THAT THE CURVED PERIPHERY OF THE COVER MEMBER SEATS ON SUCH CURVED SHOULDER, APPLYING FORCE AGAINST THE OUTER PERIPHERY OF THE RIM OF THE MOUTH OF THE PRESSURE VESSEL AS WELL AS THE ADJACENT PORTION THEREOF WHICH EXTENDS BEYOND SAID CURVED SHOULDER IN DIRECTION TO MOVE SUCH RIM INWARDLY UNTIL THE INNER PERIPHERY OF SUCH RIM IS SUBSTANTIALLY AGAINST THE UPWARDLY INCLINED TOP SURFACE OF THE COVER MEMBER AND THE ADJACENT INNER SURFACE OF THE ENLARGED DIAMETER MOUTH IS SLIGHTLY SPACED FROM SAID INCLINED TOP SURFACE, AND THEREUPON APPLYING FORCE IN A SUBSTANTIALLY INWARD DIRECTION AGAINST THE OUTER SURFACE OF THE ENLARGED DIAMETER MOUTH OF THE PRESSURE VESSEL IN DIRECTION TO MOVE THE INNER PERIPHERY OF SUCH RIM RADIALLY INWARDLY ALONG THE UPWARDLY INCLINED TOP SURFACE OF THE COVER MEMBER AND TO MOVE SAID SPACED INNER SURFACE OF THE ENLARGED DIAMETER MOUTH INTO INTIMATE CONTACT WITH SAID INCLINED TOP SURFACE FOR EXERTION OF SUBSTANTIAL FORCE BY SAID INNER PERIPHERY AGAINST THE COVER MEMBER TO RETAIN THE LATTER IN FIXED POSITION IN THE CONTAINER.
Claim 2
Independent Claim
245 words
THE METHOD OF RETAINING A COVER MEMBER HAVING AN UPWARDLY INCLINED TOP SURFACE AND A CURVED PERIPHERY IN FIXED POSITION IN A CYLINDRICAL PRESSURE VESSEL HAVING AN ENLARGED DIAMETER CYLINDRICAL MOUTH DEFINING A CURVED SHOULDER TO RESTRAIN AXIAL MOVEMENT OF THE COVER MEMBER IN USE OF THE PRESSURE VESSEL, DUE TO VARIATION OF PRESSURE THEREIN, WHICH COMPRISES THE STEPS OF INSERTING THE COVER MEMBER INTO THE MOUTH OF THE PRESSURE VESSEL SO THAT THE CURVED PERIPHERY OF THE COVER MEMBER SEATS ON SUCH CURVED SHOULDER, APPLYING FORCE AGAINST THE OUTER PERIPHERY OF THE RIM OF THE MOUTH OF THE PRESSURE VESSEL AS WELL AS THE ADJACENT PORTION THEREOF WHICH EXTENDS BEYOND SAID CURVED SHOULDER IN DIRECTION TO MOVE SUCH RIM INWARDLY UNTIL THE INNER PERIPHERY OF SUCH RIM IS SUBSTANTIALLY AGAINST THE UPWARDLY INCLINED TOP SURFACE OF THE COVER MEMBER AND THE ADJACENT INNER SURFACE OF THE ENLARGED DIAMETER MOUTH IS SLIGHTLY SPACED FROM SAID INCLINED TOP SURFACE, AND THEREUPON APPLYING FORCE IN A SUBSTANTIALLY INWARD DIRECTION AGAINST THE OUTER SURFACE OF THE ENLARGED DIAMETER MOUTH OF THE PRESSURE VESSEL IN DIRECTION TO MOVE THE INNER PERIPHERY OF SUCH RIM RADIALLY INWARDLY ALONG THE UPWARDLY INCLINED TOP SURFACE OF THE COVER MEMBER AND TO MOVE SAID SPACED INNER SURFACE OF THE ENLARGED DIAMETER MOUTH INTO INTIMATE CONTACT WITH SAID INCLINED TOP SURFACE FOR EXERTION OF SUBSTANTIAL FORCE BY SAID INNER PERIPHERY AGAINST THE COVER MEMBER TO RETAIN THE LATTER IN FIXED POSITION IN THE CONTAINER.
References Cited (Backward Citations)
US1521732A
Cited
US1753465A
Cited
US2167654A
Cited
US2648123A
Cited
US2690645A
Cited
US3054173A
Cited
US3168907A
Cited
US3211348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |