Corrugated pipe with foot

Details Corrugated pipe with foot Corrugated pipe with foot

1999-04-02

2000-12-26

Hook, James

Pipes and tubular conduits

Combined

With external support structure

138121, 138162, 138166, 174 683, 174 92, F16L 300

Patent

active

061643386

ABSTRACT:
The invention relates to a corrugated pipe which, in accordance with the invention includes an engagement structure formed perpendicular to the longitudinal extent of the corrugated pipe, whereby the engagement structure includes a portion dimensioned in circumferential direction of the corrugated pipe which is further radially spaced from the inner diameter of the pipe.

REFERENCES:
patent: 1270579 (1918-06-01), Witzenmann
patent: 3861153 (1975-01-01), Maroschak
patent: 3878685 (1975-04-01), Schmunk
patent: 3897090 (1975-07-01), Maroschak
patent: 4388488 (1983-06-01), Wlcek et al.
patent: 4611636 (1986-09-01), Kanao
patent: 5439035 (1995-08-01), Dal Palu
patent: 5566722 (1996-10-01), Bartholomew
patent: 5706864 (1998-01-01), Pfleger
patent: 5792532 (1998-08-01), Pfleger
patent: 5795100 (1998-08-01), Thomas et al.
patent: 6034329 (2000-03-01), Kawamura
patent: 6078009 (2000-06-01), Kawamura

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