Pipe joints or couplings – With assembly means or feature – Guide
Patent
1976-01-12
1976-08-31
Callaghan, Thomas F.
Pipe joints or couplings
With assembly means or feature
Guide
156158, 156304, 285 55, 285294, 285423, 174 21C, F16L 1310
Patent
active
039777049
ABSTRACT:
A pipe coupler utilized for connecting two sections of pipe to prevent the escape of gas from within the pipe through the joint therebetween. An annular coupling member comprises two end sections and an intermediate section therebetween, with the two end sections having an inside diameter substantially the same as the outside diameter of the pipe sections, while the inside diameter of the intermediate section is greater. The two pipe sections are disposed within the coupling member, with the joint positioned longitudinally within the intermediate section. The two pipe sections and the intermediate section form an annular space therebetween, and in this annular space is positioned an annular sealing gasket. The sealing gasket has an inside diameter substantially the same as the pipe outside diameter, and has a radially outwardly extension positioned therearound. The intermediate section has a pair of spaced apart openings, and filling plugs are sealingly disposed within these openings, and the plugs extend inwardly into the annular space. The gasket outwardly extension is positioned between the filling plugs. An adhesive sealant is disposed within, and substantially fills the annular space between the gasket and the coupling member. The adhesive sealant, which enters the annular space through the filling plugs, compresses the gasket against the two pipe sections to seal the pipe joint therebetween. Also included are means for preventing the sealant from leaking out of the annular space through the filling plugs.
REFERENCES:
patent: 340046 (1886-04-01), Hurlbut
patent: 494147 (1893-03-01), Lloyd
patent: 2206405 (1940-07-01), King
patent: 2313074 (1943-03-01), Jewell
patent: 2498831 (1950-02-01), Veitch
patent: 2530700 (1950-11-01), Jewell et al.
patent: 3043055 (1962-07-01), Davey
patent: 3843170 (1974-10-01), Bagnulo
Callaghan Thomas F.
Elchik W. A.
Westinghouse Electric Corporation
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