Hanger apparatus for suspending pipes

Details Hanger apparatus for suspending pipes Hanger apparatus for suspending pipes

1978-06-16

1979-09-18

Leppink, James A.

Wells

Expansible anchor or casing

Liner hanger

166214, 285141, E21B 4310, E21B 2300

Patent

active

041679717

ABSTRACT:
In hanger apparatus of the type comprising a hanger mandrel carried by an inner pipe, an outer body which can be carried by an outer pipe, and a resilient locking ring carried by the mandrel for connecting the mandrel to the hanger body to suspend the inner pipe the locking ring is in the form of an integral piece comprising a body portion, which cooperates with the hanger body to support the mandrel, and a dependent skirt which carries an inturned bottom flange cooperating with a retaining groove on the mandrel.

REFERENCES:
patent: 3216503 (1965-11-01), Fisher et al.
patent: 3227218 (1966-01-01), Fisher, Jr. et al.
patent: 3378077 (1968-04-01), Elliston
patent: 3420308 (1969-01-01), Patch
patent: 3736984 (1973-06-01), Garrett
patent: 3893717 (1975-07-01), Nelson
patent: 3946807 (1976-03-01), Amancharla et al.

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