Pipe joints or couplings – With support
Patent
1997-02-05
2000-06-06
Arola, Dave W.
Pipe joints or couplings
With support
285 93, 285 94, 28514819, 285328, 285331, 2853342, 285351, 285367, 285416, 285917, 285 15, 2852944, 29428, F16L 300
Patent
active
06070912&
ABSTRACT:
A dual seal is provided for establishing fluid tight engagement between conduits subjected to both internal and external pressure. The dual seal comprises four seal portions disposed between an inner and an outer cylindrical surface.
REFERENCES:
patent: Re33199 (1990-04-01), Karr
patent: 349146 (1886-09-01), Duff
patent: 1781091 (1930-11-01), Wilson
patent: 1782484 (1930-11-01), Spencer et al.
patent: 1821867 (1931-09-01), Wilson
patent: 1906826 (1933-05-01), Smith et al.
patent: 2211983 (1940-08-01), Parris
patent: 2464744 (1949-03-01), Fennema
patent: 2624308 (1953-01-01), Wittlin
patent: 2742274 (1956-04-01), Edvar
patent: 2761707 (1956-09-01), Herman
patent: 2766829 (1956-10-01), Watts et al.
patent: 2766998 (1956-10-01), Watts et al.
patent: 2766999 (1956-10-01), Watts et al.
patent: 2769234 (1956-11-01), Young
patent: 2938562 (1960-05-01), Watts et al.
patent: 2954797 (1960-10-01), Dryer
patent: 3021974 (1962-02-01), Watts
patent: 3051513 (1962-08-01), Watts et al.
patent: 3055537 (1962-09-01), Watts
patent: 3078110 (1963-02-01), Starr
patent: 3095110 (1963-06-01), Pierce, Jr.
patent: 3141685 (1964-07-01), Watts
patent: 3150889 (1964-09-01), Watts
patent: 3159302 (1964-12-01), Latham et al.
patent: 3201149 (1965-08-01), Bragg
patent: 3208758 (1965-09-01), Carlson et al.
patent: 3216746 (1965-11-01), Watts
patent: 3231297 (1966-01-01), Watts et al.
patent: 3253336 (1966-05-01), Brown
patent: 3325176 (1967-06-01), Latham et al.
patent: 3364523 (1968-01-01), Schippers
patent: 3400950 (1968-09-01), Quebe et al.
patent: 3476409 (1969-11-01), Benteler et al.
patent: 3479063 (1969-11-01), Raver
patent: 3499671 (1970-03-01), Osborne
patent: 3556568 (1971-01-01), King
patent: 3749426 (1973-07-01), Tillman, III
patent: 3820830 (1974-06-01), Dryer
patent: 3836159 (1974-09-01), Dryer
patent: 3873105 (1975-03-01), Wehner
patent: 3888496 (1975-06-01), Dryer
patent: 3989285 (1976-11-01), Yancey
patent: 4002359 (1977-01-01), Lari
patent: 4214763 (1980-07-01), Latham
patent: 4408771 (1983-10-01), Shelton
patent: 4410186 (1983-10-01), Pierce, Jr.
patent: 4474381 (1984-10-01), Wilkins et al.
patent: 4563025 (1986-01-01), Poe
patent: 4603889 (1986-08-01), Welsh
patent: 4709933 (1987-12-01), Adamek et al.
patent: 4762344 (1988-08-01), Perkins et al.
patent: 4867483 (1989-09-01), Witt et al.
patent: 4881760 (1989-11-01), Runkles et al.
patent: 4893844 (1990-01-01), Chelette et al.
patent: 5277457 (1994-01-01), Hayashi
patent: 5355908 (1994-10-01), Berger et al.
Hydril Company Brochure, Copyright 1994, "C-Con.TM. Threaded Pipeline Connector for J-Lay".
Arola Dave W.
Reflange, Inc.
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