Corrugated pipe with joint and method of forming the latter on t

Details Corrugated pipe with joint and method of forming the latter on t Corrugated pipe with joint and method of forming the latter on t

1991-07-22

1995-07-04

Reese, Randolph A.

Pipe joints or couplings

Molded joint

Weld

285368, 285412, 285903, 285291, 138121, 138109, 2642711, 264259, F16L 4700

Patent

active

054293979

ABSTRACT:
A corrugated pipe has a solid joint which is formed fixedly on an end portion of the pipe by polymerization and solidification of a reaction solution which polymerizes quickly at room temperature in such a manner that the joint has a first cylindrical portion which has a first predetermined length from the end of the pipe in the axial direction, or the first cylindrical portion and a second cylindrical portion which is elongated axially outwardly from the first cylindrical portion to a second predetermined length. The first or second cylindrical portion has a locking mechanism such as an annular groove or flange which is so formed as to detachably connect the joint to the joint (H) of another mating corrugated pipe.

REFERENCES:
patent: 801774 (1905-10-01), Devonshire
patent: 1967467 (1934-07-01), Damsel
patent: 2788993 (1957-04-01), Oldham
patent: 3314039 (1967-04-01), Opper
patent: 3565464 (1971-02-01), Wolf
patent: 4152014 (1979-05-01), Soeffker
patent: 4415389 (1983-11-01), Medford et al.
patent: 4481344 (1984-11-01), Newburg
patent: 4527818 (1985-07-01), Rundell
patent: 4724111 (1988-02-01), Iwata et al.
patent: 4786697 (1988-11-01), Cozewith et al.
patent: 4806581 (1989-02-01), Walker
patent: 4900063 (1990-02-01), Baarfusser et al.
patent: 4998317 (1991-03-01), Passien
patent: 5102589 (1992-04-01), Chono et al.

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