Pipe joints or couplings – With assembly means or feature – Thread-cutting means
Patent
1994-01-21
1995-02-28
Arola, Dave W.
Pipe joints or couplings
With assembly means or feature
Thread-cutting means
285 92, 285 93, 285175, 285251, 285328, 285258, F16L 3500
Patent
active
053931041
ABSTRACT:
The present invention is directed to a coupling for use with sanitary hose, including a hollow female coupler piece and a hollow male coupler piece, wherein the male coupler piece is threadedly connected into the female coupler piece, and wherein a first end of the male coupler piece extends into a first end of the female coupler piece such that opposing surfaces of the first ends are radially spaced, and wherein one of the surfaces of the first ends includes a plurality of raised pad surfaces of a predetermined geometric design.
REFERENCES:
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patent: 4935444 (1988-04-01), Skipper
patent: 5172943 (1992-12-01), Shimada
patent: 5240291 (1993-08-01), Zornow
patent: 5317799 (1994-06-01), Chapman et al.
Arola Dave W.
Graham R. William
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