Pipe joints or couplings – With assembly means or feature – Molded joint facilitator
Patent
1977-11-10
1979-01-16
Callaghan, Thomas F.
Pipe joints or couplings
With assembly means or feature
Molded joint facilitator
228140, 228191, 239404, 285286, F16L 1302
Patent
active
041346068
ABSTRACT:
A welded joint between two telescoped and threaded together inner and outer parts of an assembly wherein the joint may be cut apart to permit unthreading of the one part from the other and for their subsequent reuse after repair or cleaning of the assembly. The inner part has an external thread and has a cylindrical portion between the external thread and the welded joint for expanding any inwardly projecting burr that may be formed on the outer part during the cutting operation so that the burr may pass over the external threads without damaging the same when the parts are unthreaded from each other. The invention is particularly adaptable for use with fuel injection nozzles but has use in other applications where welded together threaded parts are subject to disassembly and reuse.
REFERENCES:
patent: 1594579 (1926-08-01), Timbs et al.
patent: 2206166 (1940-07-01), Dunn
patent: 3709529 (1973-01-01), Mains
Callaghan Thomas F.
Parker-Hannifin Corporation
Wolfram John N.
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