Plastic pipe coupler

Details Plastic pipe coupler Plastic pipe coupler

1993-04-14

1994-11-22

Reese, Randolph A.

Pipe joints or couplings

Movable jaw

Wedge bushing

285339, 285341, 285371, F16L 2104

Patent

active

053662601

ABSTRACT:
The present invention is a unitary pipe coupler having an internally mounted hollow tube stiffener which extends through the coupler. The stiffener serves as a guide over which ends of the pipes slide as the pipes are inserted into the coupler and provides communication within the coupler between the two pipes. As the pipes are inserted into the coupler, each pipe passes consecutively through an opening provided in the coupler, an O-ring, a plurality of rigid backward oriented gripper serrations provided on a gripper, a plurality of backward oriented flexible sealing serrations provided on a front boot seal, until the end of each pipe rests against a flexible boot seal which abuts a hub for mounting the stiffener to the coupler. The gripper serrations prevent the pipes from being pulled or pushed outwardly away from the coupler.

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patent: 5027459 (1993-05-01), Glover

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