Threaded or push-type coupling

Details Threaded or push-type coupling Threaded or push-type coupling

1985-05-20

1987-08-25

Callaghan, Thomas F.

Pipe joints or couplings

Pipe to discreet nipple or sleeve to plate

Pipe to nipple connection dependent on nipple to plate...

285370, F16L 3900

Patent

active

046888314

ABSTRACT:
A coupling for hoses, pipe and tubing which allows the simultaneous and independent flow of two or more materials through the coupling having of a male coupling portion with two or more circumferential channels terminating in a coupling and having circumferential steps between each channel, a female portion having a like number of circumferential channels terminating in a stepped coupling portion and a by-pass ring having one fewer channels than the male and female portions and insertable between the male and female portions to separate the flow of material.

REFERENCES:
patent: 1547461 (1925-07-01), Steele
patent: 1862260 (1932-07-01), Edmunds
patent: 2054859 (1936-09-01), Kitching
patent: 2178931 (1939-11-01), Crites et al.
patent: 3032116 (1962-05-01), Barry
patent: 3077358 (1963-02-01), Costa
patent: 3182598 (1965-05-01), McArthur et al.
patent: 3216751 (1965-11-01), Der Mott
patent: 3380760 (1968-04-01), McArthur et al.
patent: 3638970 (1972-02-01), Sandquist et al.
patent: 3648311 (1972-03-01), Voss
patent: 4121858 (1978-10-01), Schulz
patent: 4521039 (1985-06-01), Schulz
patent: 4550936 (1985-11-01), Haeber et al.

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