Outlet for connecting spray nozzles and drop tubes to an irrigat

Details Outlet for connecting spray nozzles and drop tubes to an irrigat Outlet for connecting spray nozzles and drop tubes to an irrigat

1999-01-28

2000-05-23

Rada, Rinaldi I.

Metal deforming

With cutting

By composite tool

72334, 83191, 83188, B21D 2828

Patent

active

060653213

ABSTRACT:
An outlet for connecting spray nozzles, drop tubes or the like to an irrigation pipe comprising a generally cylindrical-shaped member having an inner end, an outer end, an annular shoulder protruding outwardly therefrom between the inner and outer ends, and an internally threaded bore extending therethrough. When the outlet is positioned in an opening formed in an irrigation pipe, the annular shoulder of the outlet is in engagement with the exterior surface of the pipe. A machine is also disclosed for creating a plurality of horizontally spaced-apart bulged areas in the pipe with each of the bulged areas having a flat surface thereon. The machine includes a bulging punch which creates the bulged areas in the pipe. The machine further includes a punch for creating an outlet opening in the flat surface of the bulged area. The machine also includes means for installing the outlet in the opening and to flare the inner end of the outlet into mechanical engagement with the interior surface of the pipe around the opening created therein.

REFERENCES:
patent: 3677578 (1972-07-01), Roos
patent: 3863960 (1975-02-01), Andersson
patent: 3879069 (1975-04-01), Oostenbrink
patent: 4795100 (1989-01-01), Purtell et al.
patent: 5207461 (1993-05-01), Lasko

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