Patent ID: 6464266
Filing Date: 2002-10-15
Classification: B29C,F16K,F16L

Abstract:
A fluid conduit coupling for removably holding a tube therein comprising:an outer housing having an internal bore with a circumferential side wall, and circumferentially spaced inner ribs, a seal support surface in said bore, a seal engaged in said support surface, at least one spacer bushing retaining said seal against said support surface, said spacer bushing having an axially inner side and an axially outer side, a gripper ring having radially and axially inwardly protruding circumferentially spaced gripper teeth having inner edges protruding inwardly into said internal bore, said gripper ring lying axially outward from said seal, said teeth having a twist when subjected to an axial outwardly directed and rotational force for allowing the unscrewing and removal of a tube inserted in said coupling, said gripper ring held in said outer housing to preclude rotational movement of the gripper ring, and said spacer bushing being secured in said internal bore by an end bushing attached to said outer housing, said end bushing having circumferentially spaced tube guide ribs.