Hose for drip irrigation and method of producing same

Details Hose for drip irrigation and method of producing same Hose for drip irrigation and method of producing same

1987-04-07

1988-07-12

Recla, Henry J.

Pipes and tubular conduits

Plural duct

Longitudinally extending common wall

239542, B05B 1500

Patent

active

047563397

ABSTRACT:
The irrigation hose comprises two tubes disposed one within the other, at least one of the tubes being grooved. The ungrooved tube forms with the groove or grooves of the other tube continuous secondary ducts over the entire length of the hose. Inlet ports and outlet ports delimit in the secondary ducts sections of a predetermined length, each yielding a flow capable of continuously drip-irrigating a plant in the area to be irrigated. The outlet ports and the inlet ports are distributed along spiral lines if the secondary ducts are straight and along straight lines constituting generatrices of the hose if the secondary ducts run along spirals.

REFERENCES:
patent: 3777987 (1973-12-01), Allport
patent: 3887138 (1975-06-01), Gilead
patent: 4022384 (1977-05-01), Hoyle et al.
patent: 4053109 (1977-10-01), Gilead

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