Fluid sprinkling – spraying – and diffusing – Conduit or nozzle attached irrigation-type decelerator
Patent
1978-07-31
1980-04-22
Cherry, Johnny D.
Fluid sprinkling, spraying, and diffusing
Conduit or nozzle attached irrigation-type decelerator
239547, B05B 1500
Patent
active
041991060
ABSTRACT:
In an irrigation hose which is produced by melt-sticking double thermoplastic resin film in a plane along longitudinal parallel lines so as to form 2 to 3 passages, one a supply passage and others being constant pressure passages, the supply passage being connected to each constant pressure passage by communicating holes which are formed by non-melt-stuck portions spaced in the melt-stuck line between both passages, and the constant pressure passage having water-irrigating holes which are formed by non-melt-stuck portions spaced in an outside melt-stuck line thereof, the improvement which comprises making small melt-stuck portions in the vicinity of the communicating holes and/or water-irrigating holes.
REFERENCES:
patent: 3361359 (1968-01-01), Chapin
patent: 3467142 (1969-09-01), Boyle et al.
patent: 3672571 (1972-06-01), Goodricke
patent: 3951345 (1976-04-01), Mehoudar
patent: 4009832 (1977-03-01), Tiedt
patent: 4047995 (1977-09-01), Leal-Diaz
Kojimoto Susumu
Mori Toshio
Ono Junji
Sato Takami
Suzuki Shigeharu
Cherry Johnny D.
Sumitomo Chemical Company Limited
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