Quick connect coupling

Details Quick connect coupling Quick connect coupling

1987-09-04

1989-07-11

Callaghan, Thomas F.

Pipe joints or couplings

Frangible element

Score line or groove

285 27, 285319, 285901, 285921, F16L 3712

Patent

active

048465062

ABSTRACT:
A quick connect coupling assembly comprising a housing having an internal passage divided into a large entry end and a reduced diameter, coaxially aligned smaller passage for receiving a tubing adapted to fit into said passages and to snap into fluid-tight sealing relationship with said smaller passage. The assembly includes an improved retainer for preventing disconnection of the tubing and, optionally, a perforatable dust shield for sealing the entry passage of the housing during shipment and handling prior to insertion of a tubing conduit, and after perforation by the tubing upon assembly, then seals the tubing in the housing entry passage. A subassembly comprising the housing, retainer and dust shield is also disclosed.

REFERENCES:
patent: 1933117 (1933-10-01), Markle
patent: 3900223 (1975-08-01), Schafer et al.
patent: 4240654 (1980-12-01), Gladieux
patent: 4511359 (1985-04-01), Vaillancourt
patent: 4541658 (1985-09-01), Bartholomew
patent: 4601497 (1986-07-01), Bartholomew
patent: 4610469 (1986-09-01), Wolff-Mooij
patent: 4637640 (1987-01-01), Fournier et al.
patent: 4681351 (1987-07-01), Bartholomew
patent: 4778203 (1988-10-01), Bartholomew

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