Pipe joints

Details Pipe joints Pipe joints

1978-12-26

1980-10-07

Callaghan, Thomas F.

Pipe joints or couplings

With assembly means or feature

Molded joint facilitator

285 97, 285294, F16L 1310

Patent

active

042264448

ABSTRACT:
A method of joining pipes in which a sleeve is placed over the adjacent ends of the pipes so as to overlap each pipe. The sleeve fits with clearance around the pipe ends. The ends of the clearance space are closed by inflating hollow sealing rings and then epoxy resin is injected into the clearance space to fill the space. The pressure of the epoxy resin composition is then raised to a pressure substantially greater than atmospheric and the pressure is maintained until the resin composition is set.

REFERENCES:
patent: 333011 (1885-12-01), Hoeveler
patent: 339036 (1886-03-01), Wilbur
patent: 1494523 (1924-05-01), Zwicker
patent: 2083842 (1937-06-01), Henning
patent: 2462348 (1949-02-01), Batchler
patent: 3094452 (1963-06-01), Von Riegen et al.
patent: 3422179 (1969-01-01), Bauer et al.
patent: 3843167 (1974-10-01), Gronstedt
patent: 3860270 (1975-01-01), Arnold
patent: 3943334 (1976-03-01), Sturm

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