Blowout preventer packing unit with slanted reinforcing inserts

Details Blowout preventer packing unit with slanted reinforcing inserts Blowout preventer packing unit with slanted reinforcing inserts

1977-08-15

1978-07-04

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 73, 251 1B, B65D 5300, E21B 3312

Patent

active

040985164

ABSTRACT:
An annular blowout preventer packing unit having a longitudinal axis incorporates metallic inserts having webs that extend both longitudinally and about that axis to define surfaces which have longitudinally facing extents to anchor and resist longitudinal displacement of packer elastomeric material. The webs may typically have upper and lower portions with oppositely directed curvatures, respectively.

REFERENCES:
patent: 2609836 (1952-09-01), Knox
patent: 3572627 (1971-03-01), Jones
patent: 3591125 (1971-07-01), Lewis

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