Soluble pipe spacer

Details Soluble pipe spacer Soluble pipe spacer

1985-04-25

1987-06-23

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

Molded joint facilitator

285286, F16L 1304

Patent

active

046747729

ABSTRACT:
A wafer-shaped spacer ring for a pipe and fitting. The ring is formed of liquid soluble material to allow the ring to dissolve after the pipe and fitting are welded and the pipe is flushed.

REFERENCES:
patent: 1990077 (1935-02-01), Kershaw
patent: 2409865 (1946-10-01), Jewell
patent: 4346918 (1982-08-01), Lycan
patent: 4505420 (1985-03-01), Wittenbach

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