Pipe joints or couplings – For plural component line – Metal and elastomeric layers
Patent
1991-09-30
1993-05-04
Nicholson, Eric K.
Pipe joints or couplings
For plural component line
Metal and elastomeric layers
285197, 285162, F16L 4108
Patent
active
052074617
ABSTRACT:
A weldless and solderless fluid distribution piping system incorporating solely mechanical retention of one or more inlet/outlet fittings in holes in the side wall of a pipe. In each case, the fitting has at one end a fishmouth configuration and an annular bead, and this end end is first inserted into the hole in the pipe and the bead thereafter forcibly expanded into tight mechanical and sealing relationship with the edges of the hole. A deformable and resilient sealing gasket can optionally be interposed between the fitting and pipe to provide an improved seal, if desired. Novel apparati and a method for attaching such fittings to a pipe are also disclosed.
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Article "How To Weld Pipe", The Linde Air Products Company, N.Y., p. 18, FIG. 43, 44. 1943.
Lehmann H. Gibner
Lehmann K. Gibner
Nicholson Eric K.
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