US3175618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for placing a liner in a vessel
Assignee: Pan American Petroleum Corp
•
Filing: 1961-11-06
•
Granted: 1965-03-30
•
Expires: 1981-11-06
Abstract
No abstract record available.
Inventors
- 👤 Harold M Lang
- 👤 Silverman Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:22
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/02; E21B43/10; E21B43/103; E21B43/105; E21B29/00; E21B29/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
APPARATUS FOR LINING A HOLLOW CYLINDRICAL MEMBER WITH MINIMUM REDUCTION OF ITS INTERNAL DIAMETER COMPRISING AN EXPANSIBLE CYLINDRICAL METAL SLEEVE HAVING AN OUTSIDE DIAMETER SLIGHTLY SMALLER THAN THE INSIDE DIAMETER OF SAID MEMBER, AN ELONGATED EXPLOSIVE CHARGE EXTENDING ALONG THE LONGITUDINAL AXIS OF SAID SLEEVE, A CLOSED RECEPTACLE SURROUNDING SAID CHARGE AND WITHIN AND SUPPORTING SAID SLEEVE, BOTH SAID EXPLOSIVE CHARGE AND SAID RECEPTACLE EXTENDING BEYOND THE ENDS OF SAID SLEEVE A DISTANCE AT LEAST EQUAL TO THE RADIUS OF SAID CYLINDRICAL MEMBER, A SUBSTANTIALLY INCOMPRESSIBLE SUBSTANCE SUBSTANTIALLY COMPLETELY FILLING THE SPACE WITHIN SAID RECEPTACLE SURROUNDING SAID CHARGE, MEANS FOR POSITIONING SAID SLEEVE, CHARGE, AND FILLED RECEPTACLE WITHIN SAID CYLINDRICAL MEMBER, AND
Claim 2
Dependent Claim
112 words
APPARATUS FOR LINING A HOLLOW CYLINDRICAL MEMBER WITH MINIMUM REDUCTION OF ITS INTERNAL DIAMETER COMPRISING AN EXPANSIBLE CYLINDRICAL METAL SLEEVE HAVING AN OUTSIDE DIAMETER SLIGHTLY SMALLER THAN THE INSIDE DIAMETER OF SAID MEMBER, AN ELONGATED EXPLOSIVE CHARGE EXTENDING ALONG THE LONGITUDINAL AXIS OF SAID SLEEVE, A CLOSED RECEPTACLE SURROUNDING SAID CHARGE AND WITHIN AND SUPPORTING SAID SLEEVE, BOTH SAID EXPLOSIVE CHARGE AND SAID RECEPTACLE EXTENDING BEYOND THE ENDS OF SAID SLEEVE A DISTANCE AT LEAST EQUAL TO THE RADIUS OF SAID CYLINDRICAL MEMBER, A SUBSTANTIALLY INCOMPRESSIBLE SUBSTANCE SUBSTANTIALLY COMPLETELY FILLING THE SPACE WITHIN SAID RECEPTACLE SURROUNDING SAID CHARGE, MEANS FOR POSITIONING SAID SLEEVE, CHARGE, AND FILLED RECEPTACLE WITHIN SAID CYLINDRICAL MEMBER, AND
References Cited (Backward Citations)
US1981525A
Cited
US2214227A
Cited
US2583316A
Cited
US2519116A
Cited
US2681706A
Cited
US2935615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |