Pipe joints or couplings – Nonmetal to metal – Internal member
Patent
1984-07-16
1986-06-10
Callaghan, Thomas F.
Pipe joints or couplings
Nonmetal to metal
Internal member
285259, 285347, F16L 3318
Patent
active
045939420
ABSTRACT:
A coupling and method of coupling thin-walled/tubing and the like includes an inner member and an outer member in the form of a sleeve or band surrounding the inner member with the tubing therebetween. The inner member is provided with a pair of tubing grooves and a seal receiving groove between the two tubing grooves or at least between one groove and the tube receiving end of the coupling. By means of annular ridges, the tubing is forced into the tubing grooves, and by means of an annular ridge the tubing is pressed tightly against the seal in the seal receiving groove, thus forming a fluid-tight coupling member.
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Callaghan Thomas F.
Hydrasearch Co. Inc.
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