Pipe joints

Details Pipe joints Pipe joints

1977-02-23

1979-05-08

Hoag, W. E.

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

264262, 264269, 264271, 264314, 264328, B29C 2700, B29G 300

Patent

active

041536568

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: 339036 (1886-03-01), Wilbur
patent: 3058165 (1962-10-01), Purvis
patent: 3062940 (1962-11-01), Bauer et al.
patent: 3686375 (1972-08-01), Hall
patent: 3847694 (1974-11-01), Stewing
patent: 3860270 (1975-01-01), Arnold
patent: 3927158 (1975-12-01), Croft
Seymour, 1966 Modern Plastics Encyc., McGraw-Hill, N.Y. pp. 592, 593 & 598.

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