US3106069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coupling submerged sections of pipe
Assignee: Dresser Industries Inc
•
Filing: 1958-06-10
•
Granted: 1963-10-08
•
Expires: 1978-06-10
Abstract
No abstract record available.
Inventors
- 👤 Roger E Risley
- 👤 Frederick T Newell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:15
CPC Classifications
F; F16; F16L; F16L1/00; F16L1/26; F16L17/00; F16L17/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A METHOD OF COUPLING SUBMERGED SECTIONS OF A PIPE IN FLUID-TIGHT ALIGNED POSITION ADAPTED TO BE CARRIED OUT UNDER WATER AND EVEN UNDER LOW-VISIBILITY UNDER WATER CONDITIONS WITH A COUPLING OF THE TYPE COMPRISING A TUBULAR SLEEVE CARRING RADIALLY-MOVABLE GASKETS SEATED IN ANNULAR RECESSES AND PROVIDED WITH VALVES FOR CONTROLLING THE FLOW OF FLUID INTO AND OUT OF SAID RECESSES WHICH COMPRISES INSERTING A PIPE SECTION IN ONE END OF THE SLEEVE AND SECURING IT THEREIN, REMOVABLY CONNECTING FLUID-CONDUCTING LINES WITH SAID VALVES AND REMOVABLY CONNECTING LOWERING LINES TO SAID SLEEVE, LOWERING THE PIPE SECTIONS WITH THE SLEEVE SECURED THERETO INTO THE WATER BY LOWERING MEANS AT THE SITUS OF A SUBMERGED PIPE SECTION ALREADY LAID, INSERTING THE SUBMERGED LAID PIPE SECTION INTO THE OTHER END OF SAID COUPLING WHILE SAID LAID SECTION AND SAID COUPLING ARE FULLY SUBMERGED, MANUALLY OPENING SAID VALVES WHILE SAID VALVES ARE SUBMERGED, PUMPING FLUID UNDER PRESSURE THROUGH SAID FLUID-CONDUCTING LINES AND SAID VALVES INTO SAID RECESSES FROM THE BOTTOM OF SAID SUB-
Claim 2
Independent Claim
168 words
A METHOD OF COUPLING SUBMERGED SECTIONS OF A PIPE IN FLUID-TIGHT ALIGNED POSITION ADAPTED TO BE CARRIED OUT UNDER WATER AND EVEN UNDER LOW-VISIBILITY UNDER WATER CONDITIONS WITH A COUPLING OF THE TYPE COMPRISING A TUBULAR SLEEVE CARRING RADIALLY-MOVABLE GASKETS SEATED IN ANNULAR RECESSES AND PROVIDED WITH VALVES FOR CONTROLLING THE FLOW OF FLUID INTO AND OUT OF SAID RECESSES WHICH COMPRISES INSERTING A PIPE SECTION IN ONE END OF THE SLEEVE AND SECURING IT THEREIN, REMOVABLY CONNECTING FLUID-CONDUCTING LINES WITH SAID VALVES AND REMOVABLY CONNECTING LOWERING LINES TO SAID SLEEVE, LOWERING THE PIPE SECTIONS WITH THE SLEEVE SECURED THERETO INTO THE WATER BY LOWERING MEANS AT THE SITUS OF A SUBMERGED PIPE SECTION ALREADY LAID, INSERTING THE SUBMERGED LAID PIPE SECTION INTO THE OTHER END OF SAID COUPLING WHILE SAID LAID SECTION AND SAID COUPLING ARE FULLY SUBMERGED, MANUALLY OPENING SAID VALVES WHILE SAID VALVES ARE SUBMERGED, PUMPING FLUID UNDER PRESSURE THROUGH SAID FLUID-CONDUCTING LINES AND SAID VALVES INTO SAID RECESSES FROM THE BOTTOM OF SAID SUB-
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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) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |