Irrigantion lay flat pipe hole plug

Details Irrigantion lay flat pipe hole plug Irrigantion lay flat pipe hole plug

1995-02-27

1996-10-01

Nicholson, Eric K.

Pipe joints or couplings

Irrigation type

285901, 285260, 285150, 138 94, 138 89, F16L 4100

Patent

active

055606547

ABSTRACT:
A conventional plastic cap is provided incorporating a longitudinally tapering, generally cylindrical hollow body having opposite large and small diameter ends with the large diameter end being open and including a first diametrically outwardly projecting flange extending circumferentially thereabout and the small diameter end being closed and including a second diametrically outwardly projecting circumferential flange of greater outside diameter than the outside diameter of the large diameter end of the body independent of the first flange supported therefrom.

REFERENCES:
patent: 2148419 (1939-02-01), Parker
patent: 2574105 (1951-11-01), Janczak
patent: 3026540 (1962-03-01), Barker
patent: 3129020 (1964-04-01), Bujnowski
patent: 3233627 (1966-02-01), Cebula
patent: 3490791 (1970-01-01), Mitchell
patent: 3792711 (1974-02-01), Bedard
patent: 3973732 (1976-08-01), Diggs
patent: 4018459 (1977-04-01), Moninee et al.
patent: 4128107 (1978-12-01), Blumhardt
patent: 4676530 (1987-06-01), Nordgren et al.

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