Annular seal with v-cut

Details Annular seal with v-cut Annular seal with v-cut

F - Mech Eng,Light,Heat,Weapons

16

J

277/47

F16J 15/40 (2006.01) E21B 33/04 (2006.01) E21B 34/02 (2006.01) F16J 15/32 (2006.01) E21B 33/00 (2006.01)

Patent

CA 1242472

Abstract of the Disclosure There is described herein an annular elastomer seal arranged for primary compression-type sealing capability and secondary lip type sealing capability. The annular seal includes a pair of grooves in a radial seal face thereof the grooves diverging with depth so form what appears as a V-shaped cut when the seal is viewed in radial cross section. When compressive stress diminishes as a result of elastomer relaxation phenomena, seepage of pressurized fluid into the grooves creates a lip seal.

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