Tube coupling

Pipe joints or couplings – Packed – Wedge

Reexamination Certificate

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Details

C285S040000

Reexamination Certificate

active

06860523

ABSTRACT:
A fluid coupling having an outer housing with an internal bore, an O-ring fitted within the bore, a spacer bushing fitted against the O-ring, a gripper ring fitted against the axially outer side of the spacer ring, the gripper ring having axially and radially inwardly protruding circumferentially spaced gripping teeth, the teeth arranged for providing a twist when subjected to simultaneous rearward axial and rotational forces, and an end bushing holding the gripper ring, spacer bushing, and O-ring within the outer housing. A fluid coupling having an outer housing with an internal bore, an O-ring seal fitted within the bore, a spacer bushing fitted against the seal, a first gripper ring fitted against the axially outer side of the spacer ring, a second gripper ring fitted against the O-ring seal, the gripper rings having axially and radially inwardly protruding circumferentially spaced gripping teeth, in one embodiment the teeth arranged for providing a twist when subjected to simultaneous rearward axial and rotational forces, and an end bushing holding the gripper rings, spacer bushing, and O-ring within the outer housing.

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