Pipe joints or couplings – With fluid pressure seal – With separate – encased pipe-gripping means
Patent
1988-12-19
1990-02-13
Arola, Dave W.
Pipe joints or couplings
With fluid pressure seal
With separate, encased pipe-gripping means
285249, F16L 304
Patent
active
049000683
ABSTRACT:
A liquid tight connector accepts a non-metallic conduit grasped by fingers on a clip grasping above an annular ring on a ferrule. A compression nut engages the fingers. The configuration enables labor saving insertion and effective liquid tight integrity in an inexpensive device.
REFERENCES:
patent: 2452275 (1948-10-01), Woodling
patent: 2873985 (1959-02-01), Baldwin, Jr.
patent: 2982262 (1961-04-01), Franck
patent: 3606396 (1971-09-01), Prosdocimo et al.
patent: 3624812 (1971-11-01), Rosen et al.
patent: 3980325 (1976-09-01), Robertson et al.
patent: 4637639 (1987-01-01), Jorgensen et al.
patent: 4705304 (1987-11-01), Matsuda
Exhibit A-A liquid tight connector with a seperable ferrule.
Exhibit B-A liquid tight connector with a rotatable threaded ferrule and circumferential gripper.
Exhibit C-A liquid tight connector with a split washer.
Arola Dave W.
Heyco Molded Products, Inc.
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