F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
18/109, 26/161
F16J 15/32 (2006.01) B29C 33/14 (2006.01) B29C 39/10 (2006.01)
Patent
CA 1268913
ABSTRACT A mold assembly for manufacturing fluid seal for a liquid and gas-filled damper mechanism. The seal includes a casing unit and a primary sealing ring subdivided into two portions, one portion being adapted to provide a fluid seal with an associated reciprocable rod, and the other to provide a one-way relief valve action to bleed fluid from one side of the lip body to the other when higher pressure is on the rod side; and to increase the sealing force when the higher pressure is on the other side of the lip body opposite the rod. The mold assembly has a fixed part for engaging one surface of the sealing ring and part of a cavity for an annular collar; an intermediate mold member for overlying a casing unit received in the mold; and a third mold member having a frusto-conical surface to engage a margin of the sealing ring on a face opposite the face engaged by the innermost margin of the fixed mold part.
593283
Christiansen Keith
Jaime Gil
Peisker Glenn
Chicago Rawhide Manufacturing Company
Osler Hoskin & Harcourt Llp
LandOfFree
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