Irrigation device

Details Irrigation device Irrigation device

1990-05-24

1992-04-21

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

With ground or vertical surface sustained support means

Ground or object penetrating support

239542, 239551, 239565, A01G 2502, B05B 1500

Patent

active

051060213

ABSTRACT:
An irrigation device, especially suited for trickle or drip irrigation comprises a tubular conduit made by connecting opposite edges of at least two plies of plastics, embossing at least one marginal zone of at least one ply to create a labyrinthine passage for liquid. The two plies may be obtained by lengthwise folding an elongated strip of material.

REFERENCES:
patent: 2721764 (1955-10-01), Wilson, Jr.
patent: 3774850 (1973-11-01), Zeman
patent: 3792588 (1974-02-01), Gilaad
patent: 4047995 (1977-09-01), Leal-Diaz
patent: 4247051 (1981-01-01), Allport
patent: 4430020 (1984-02-01), Robbins
patent: 4722759 (1988-02-01), Roberts et al.
patent: 4763842 (1988-08-01), Dunn

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