Adjustable length piping union

Details Adjustable length piping union Adjustable length piping union

1990-02-23

1991-06-18

Reese, Randolph A.

Pipe joints or couplings

Variable length

Telescopic with relative motion

285339, 285351, 285354, F16L 2712

Patent

active

050244698

ABSTRACT:
An adjustable length piping union having telescoping tubes. An inner tube has outer ring grooves whose bottom walls slope, and whose axial width is greater than the width of an O-ring contained in them. This enables an easier reduction in length than increase in length. A ledge permits passage of the rings for assembly, but frustrates the separation of the tubes.

REFERENCES:
patent: 2346051 (1944-04-01), Seamark
patent: 2738992 (1956-03-01), Heisler
patent: 3494639 (1970-02-01), Smith

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