F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
F16J 15/16 (2006.01) F04B 39/04 (2006.01) F04B 53/16 (2006.01) F16J 15/26 (2006.01)
Patent
CA 2045314
A packing is disclosed for a piston and valve machine, comprising: an annular metal body (20) intended to be immobilized in the recess by a clamping nut and comprising, in its internal peripheral face (24), an annular recess (25), a gasket holding and stress ring (27) disposed in the recess while being immobilized against the bottom thereof, a gasket (28) formed by at least two packing rings (29) split over the whole of their axial length and over their thickness, side by side, deformable radially and not axially and whose radial thickness is greater than the measurement complementary to the thickness of the stress ring to equalize the depth of the recess, and a stop ring (35) in abutment against the bottom of the recess, on which the gasket bears.
Dowell Schlumberger Canada Inc.
Smart & Biggar
LandOfFree
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