Pipe joints or couplings – Variable length – Telescopic with relative motion
Patent
1989-09-28
1991-03-26
Nicholson, Eric K.
Pipe joints or couplings
Variable length
Telescopic with relative motion
285303, 285321, 169 37, 239209, F16L 2712
Patent
active
050023187
ABSTRACT:
The pipe connector which may be varied in length and a method for installing the connector is disclosed. Also disclosed is a tool for aiding in the fabrication of a portion of the connector. The connector consists of two telescoping pipes which are joined by the action of a wire spring positioned in recesses in the two pipes. The recesses are designed to allow only one-way movement between the telescoping pipes until such time as a release groove is reached. The release groove is positioned on one of the pipes beyond the normal operating length of the connector. When the wire is positioned in the groove, the pipes may be separated. The tool described allows for on site fabrication of the notch for one of the pipes.
REFERENCES:
patent: 3194316 (1965-07-01), Faulkner et al.
patent: 3847392 (1974-11-01), Horwinski
patent: 3958819 (1976-05-01), Tifft
patent: 4071266 (1978-01-01), Mountford
patent: 4083410 (1978-04-01), Anderson
patent: 4340082 (1982-07-01), Straus
patent: 4417626 (1983-11-01), Hanson
patent: 4491351 (1985-01-01), Galle, Jr. et al.
patent: 4783100 (1988-11-01), Klein
Nicholson Eric K.
XYZYX International Corporation
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