Point irrigation apparatus with branch connections

Details Point irrigation apparatus with branch connections Point irrigation apparatus with branch connections

1990-09-25

1993-05-18

Arola, Dave W.

Pipe joints or couplings

Irrigation type

285 93, 285192, 285423, 405 43, F16L 5500

Patent

active

052114260

ABSTRACT:
Irrigation apparatus comprising, in combination, a main water feed pipe made of elastically deformable material and at least one branch including a needle having a sharp end and sufficiently stiff to be capable of being connected to the main pipe by being forced through the wall thereof, wherein a portion of the inside surface of the wall of the main pipe includes an extra thickness of a resiliently deformable rubber material of hardness which is much less than that of the material constituting the wall of the pipe and which is suitable for sealing orifices formed through its bulk.

REFERENCES:
patent: 2402781 (1946-06-01), Schreiber
patent: 2653606 (1953-09-01), Ryan
patent: 3361363 (1968-01-01), Babington
patent: 3447570 (1969-06-01), Collins
patent: 3752505 (1973-08-01), Stout
patent: 3850202 (1974-11-01), Morgan
patent: 3966233 (1976-07-01), Diggs
patent: 3973732 (1976-08-01), Diggs
patent: 3990445 (1976-11-01), Lundquist
patent: 4044443 (1977-08-01), Charlet
patent: 4214779 (1980-07-01), Losell
patent: 4892222 (1990-01-01), Schmidt et al.

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