Pipe joints or couplings – Nonmetal to metal – Internal member
Patent
1979-01-02
1981-01-06
Callaghan, Thomas F.
Pipe joints or couplings
Nonmetal to metal
Internal member
285340, 285369, 285423, F16L 3318
Patent
active
042432545
ABSTRACT:
A threadless coupling for rapid connection to a valve or fitting and to pipes or tubing for fluid distribution systems such as for gas or water. The coupling comprises an outer housing having an internal arrangement of O-rings and unique spacers, lock rings and other members for gripping tubing when inserted and, once inserted, the tubing is firmly gripped to provide a substantial amount of tensile resistant loading thereon.
REFERENCES:
patent: 2995388 (1961-08-01), Morello, Jr. et al.
patent: 3434744 (1969-03-01), Yoke et al.
patent: 3545794 (1970-12-01), Wise et al.
patent: 3995897 (1976-12-01), Paskert
patent: 4084843 (1978-04-01), Gassert
patent: 4123090 (1978-10-01), Kotsakis et al.
patent: 4146254 (1979-03-01), Turner et al.
Hill Donald C.
Lyall Robert W.
Callaghan Thomas F.
R. W. Lyall & Co., Inc.
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