Sleeve detent latch means for well apparatus

Details Sleeve detent latch means for well apparatus Sleeve detent latch means for well apparatus

1976-08-02

1977-08-23

Leppink, James A.

Wells

Expansible anchor or casing

Expansible means translated by wedge or cam

166237, E21B 2300

Patent

active

040433919

ABSTRACT:
Well apparatus is disclosed in which an inner member is adapted to be sealed with respect to an outer member by means of a seal ring of elastomeric material surrounding the inner member for movement from a first position about a first cylindrical surface in which its outer diameter is spaced from a cylindrical bore in the outer member, and a second position about a second, larger cylindrical surface in which its inner and outer diameters are sealably engaged with said second surface and bore in the outer member, respectively.

REFERENCES:
patent: 1866903 (1932-07-01), Patterson
patent: 2394759 (1946-02-01), Edwards
patent: 2401119 (1946-05-01), Taylor, Jr.
patent: 2447546 (1948-08-01), Spencer
patent: 3216504 (1965-11-01), Roark

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