Connector for connecting small diameter pipe

Details Connector for connecting small diameter pipe Connector for connecting small diameter pipe

1989-03-03

1990-01-23

Arola, Dave W.

Pipe joints or couplings

With indicator, alarm or inspection means

285319, 285351, F16L 3500

Patent

active

048953962

ABSTRACT:
A connector for connecting a small diameter pipe has a connector body internally formed with stepped small and large diameter chambers. a bush sustains sealing members in the small diameter chamber. A socket includes a pawl-like walls engaging with a pipe annular swelling wall in a completely installed state of the pipe. The connector further includes a confirmative member having confirmative portions composed of a pair of flexible arms. The arms are pressed and expanded by the top of pipe swelling wall when the pipe is properly set, thereby making the confirmative portions more protrudent than slots perforated in the peripheral wall of the enlarged diameter chamber.

REFERENCES:
patent: 3933378 (1976-01-01), Sandford et al.
patent: 4637640 (1987-01-01), Fournier
patent: 4681351 (1967-07-01), Bartholomew
patent: 4749214 (1988-07-01), Hoskins et al.
patent: 4753458 (1988-06-01), Case et al.

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