Pipe joints or couplings – With strain relief
Patent
1992-09-10
1994-02-15
Arola, Dave W.
Pipe joints or couplings
With strain relief
285258, 285281, F16L 1304
Patent
active
052860680
ABSTRACT:
A coupling for a flexible soft hose for example for a foam supply duct of a car wash includes a helical spring wrapped around the end of the hose with a spring on the end of the hose inserted into a sleeve member and abutting a shoulder within the sleeve member. A threaded insert member is then engaged through the sleeve member to the inside of the hose thus squeezing the hose outwardly to engage the inside surface of the spring. A swivel coupling can be provided on the male insert member using a replaceable O-ring and clip ring mounting.
Ade Stanley G.
Arola Dave W.
Battison Adrian D.
Thrift Murray E.
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