Fluid sprinkling – spraying – and diffusing – Fluid pressure responsive discharge modifier* or flow... – Resilient or deformable terminal outlet
Patent
1993-08-12
1994-12-27
Grant, William
Fluid sprinkling, spraying, and diffusing
Fluid pressure responsive discharge modifier* or flow...
Resilient or deformable terminal outlet
2395331, 239542, 239568, B05B 1500
Patent
active
053757700
ABSTRACT:
A drip irrigation tape is formed from a strip of flexible material having a series of spaced indented grooves of serpentine shape extending along one side edge, the strip being folded with its opposite side edges overlapping and sealed together on opposite sides of the grooves to form a main conduit within the folded strip and a series of secondary conduits along the grooves. Breaks in the seal form inlets between the main conduit and each secondary conduit, and raised outlet ports connect the secondary conduit to the exterior of the tape. The grooves each have a series of elongated chambers offset alternately on opposite sides of the grooved region and interconnected by orifices of smaller dimensions than the chambers.
REFERENCES:
patent: 2771320 (1956-11-01), Korwin
patent: 4473191 (1984-09-01), Chapin
patent: 4548360 (1985-10-01), Delmer et al.
patent: 4655397 (1987-04-01), Gorney
patent: 4722759 (1988-02-01), Roberts et al.
patent: 4726520 (1988-02-01), Brown et al.
patent: 4807668 (1988-02-01), Roberts
patent: 5118042 (1992-06-01), Delmer
patent: 5246171 (1993-09-01), Roberts
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