Patent ID: 6290240
Filing Date: 2001-09-18
Classification: F16J,F16K

Abstract:
A grommet cup packing for a hydraulic apparatus having a first part and a second part, the second part having a recessed seat, wherein the packing forms a hydraulic seal between the first part and the second part, the packing comprising:an elastomeric insert having a body portion and a head portion, the body portion being inserted within the recessed seat of the second part, and the head portion being in sealing contact with the first part of the hydraulic apparatus; anda core member having a substantially cylindrical body section, the body section having a top end and a bottom end, a top section extending inwardly from the top end of the body section to form an inner annular ledge, and a tail section extending outwardly from the bottom end of the body section thereby forming an annular flange, the core member being embedded within the elastomeric insert, such that the top section and the tail section of the core member provide reinforcement to the elastomeric insert, andwherein the top and tail sections of the core member are perforated.