E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/41, 277/57
E21B 33/064 (2006.01) E21B 21/00 (2006.01) E21B 21/08 (2006.01) E21B 21/10 (2006.01) F16K 3/26 (2006.01)
Patent
CA 1248564
ABSTRACT A seal member of elastomeric material is dis- closed which is shaped to fit sealably within a recess of a flow diverter body. On the inside of the diverter body, a seal is effected against a slidable cylindrical valve sleeve. On the outside of the diverter body, a seal is effected against a permanent housing. The seal is constructed with an outer section having a generally circular opening, an inner section having an oblong open- ing and a connecting section between the outer and inner section having a bore therein connecting the circular open- ing with the oblong opening. A rigid support member em- bedded in the elastomeric material provides rigidity and strength to the seal member.
443130
Clark William L.
Roche Joseph R.
Hydril Company
Smart & Biggar
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