Tubing articles

Details Tubing articles Tubing articles

1974-07-15

1976-12-14

Aegerter, Richard E.

Pipes and tubular conduits

Flexible

138128, 138177, F16L 1102

Patent

active

039969681

ABSTRACT:
A tubing article is fabricated from a fluid permeable fibrous plexifilamentary polyolefin material having a porosity .epsilon. of 0.5 to 0.7, a contact angle of greater than 85.degree., and a Gurley-Hill porosity in the range of 4 to 70 sec/100 cc.
The tubing is particularly useful in sub-surface and trickle or drip type irrigation systems used in agriculture.

REFERENCES:
patent: 31614 (1861-03-01), Mayall
patent: 1989427 (1935-01-01), Robey
patent: 3442740 (1969-05-01), David

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