Multi-layer drip irrigation conduit

Fluid sprinkling – spraying – and diffusing – Conduit or nozzle attached irrigation-type decelerator

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Details

138137, 138141, 405 45, B05B 130, A01G 2502

Patent

active

053321600

ABSTRACT:
A water transmission tubing for controlling the flow of water under pressure comprises a tubular inner layer of generally uniform cross-sectional configuration continuous with the length of the tubing and having a biocide for killing bacteria in the water, and a tubular outer layer having an inner wall disposed against and bonded to an outer wall of the inner layer and being made of a material thickness for inhibiting the migration of biocide from the inner layer to the outside of the tubing.

REFERENCES:
patent: 2918394 (1959-12-01), Smith
patent: 3370115 (1968-02-01), Wood
patent: 3884269 (1975-05-01), Schetty et al.
patent: 4037791 (1977-07-01), Mullett et al.
patent: 4800109 (1989-01-01), Washizu
patent: 4948295 (1990-08-01), Pramsoler
patent: 5111996 (1992-05-01), Eckstein
patent: 5141360 (1992-08-01), Zeman
patent: 5152634 (1992-10-01), Maso
patent: 5192027 (1993-03-01), Delmer et al.

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