A - Human Necessities – 01 – G
Patent
A - Human Necessities
01
G
189/24, 299/4
A01G 25/00 (2006.01) A01G 25/02 (2006.01) B05B 1/20 (2006.01) B29C 47/00 (2006.01) F16L 11/22 (2006.01)
Patent
CA 1073944
ABSTRACT OF THE DISCLOSURE In an irrigation hose made of a thermoplastic resin pipe which is longitudinally partitioned by a diaphragm into a constant pressure passage and a supply passage, the constant pressure passage having small bores for water-sprinkling spaced along the length of the resin-pipe wall, and the diaphragm having small bores for communication between the passages in the longitudinal direction thereof, the improvement for assuring uniform water-sprinkling from an irrigation hose which comprises forming projections on the dia- phragm separating the passages from each other, at positions spaced along the length of the diaphragm, into the constant pressure passage to contact intimately with the resin-pipe wall of said passage, thereby forming barriers to said passage.
261731
Kojimoto Susumu
Mori Toshio
Sato Takami
LandOfFree
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