Surface irrigation gate

Details Surface irrigation gate Surface irrigation gate

1977-03-01

1978-12-05

Schwadron, Martin P.

Fluid handling

With repair, tapping, assembly, or disassembly means

Tapping a pipe, keg, or apertured tank under pressure

29157R, 29453, 405 51, 137322, 251145, 251327, 277DIG2, 285 3, 285DIG22, 285245, 138 94, F16K 4300

Patent

active

041281071

ABSTRACT:
An outlet fitting construction for thin-walled, flexible plastic tubing for fluid distribution systems. The outlet fitting includes first and second outlet members that in the preferred embodiment are threadedly engaged and have aligned axial passageways. One outlet member is provided with an annular rim with a riding surface that facilitates insertion of the outlet fitting into an aperture in the flexible surface irrigation tubing. In an alternative embodiment a tube piercing member is provided that is engaged with the outlet members so that the outlet fitting may be inserted into a tube which does not have pre-existing apertures.

REFERENCES:
patent: 928237 (1909-07-01), Baird
patent: 1065839 (1913-06-01), Ritzman
patent: 1166059 (1915-12-01), Ledbetter
patent: 1994784 (1935-03-01), Porzel
patent: 2563300 (1951-08-01), Aker
patent: 2925990 (1960-02-01), Hempel
patent: 2958545 (1960-11-01), Stelzer
patent: 3016562 (1962-01-01), Reid
patent: 4000620 (1977-01-01), Burge

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