Pipe coupling apparatus for use in air conditioners

Details Pipe coupling apparatus for use in air conditioners Pipe coupling apparatus for use in air conditioners

1996-09-23

1999-12-28

Arola, Dave W.

Pipe joints or couplings

Particular interface

Tapered

285386, F16L 2500

Patent

active

060071125

ABSTRACT:
A device for coupling together a copper pipe and a bolt pipe in an air conditioner. The copper pipe has first and second outwardly flared parts, while the bolt pipe has first and second inwardly inclined end surfaces. The end surfaces are brought into contact with the first and second flared parts, respectively, when the copper pipe is to be coupled to the bolt pipe. A nut is fitted over the copper pipe and is threadedly connected to the bolt pipe. The nut has first and second inclined shoulders on its inner surface which are brought into contact with the first and second flared parts, respectively, to push the flared parts against respective ones of the inclined end surfaces.

REFERENCES:
patent: 771682 (1904-10-01), Sussman
patent: 954177 (1910-04-01), Fleming
patent: 1838180 (1931-12-01), Hitchcock
patent: 2290890 (1942-07-01), Parker

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