Sprinkler pipeline assembly and related sprinkler

Details Sprinkler pipeline assembly and related sprinkler Sprinkler pipeline assembly and related sprinkler

2005-09-13

2005-09-13

Scherbel, David A. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Distributor or nozzle in circumferential wall of flexible...

C239S542000, C239S550000, C239S566000, C285S305000

Reexamination Certificate

active

06942166

ABSTRACT:
A sprinkler to sprinkle water running in a pipeline over both its sides through sprinkler heads mounted on the pipeline, wherein (i) the pipeline comprises first water pipes and second water pipes connected to each other alternately so as to be freely disconnectable and reconnectable, (ii) both end portions of each first water pipe are formed so as to have outer diameter which is equal to the inner diameter of the second water pipes, (iii) a plurality of first engaging protrusions are formed on the periphery of one end portion of each first water pipe, at regular angular intervals around the longitudinal center axis of said first water pipe, and (iv) a plurality of second engaging protrusions are formed at one end of each second water pipe so as to engage with the first engaging protrusions of the first water pipe when the end portion with first engaging protrusions of a first water pipe is inserted into the end with second engaging protrusions of said second water pipe.

REFERENCES:
patent: 1260690 (1918-03-01), Liady
patent: 2195492 (1940-04-01), McDonald
patent: 3283780 (1966-11-01), Sutton
patent: 5188399 (1993-02-01), Durina
patent: 5441202 (1995-08-01), Wintering et al.
patent: 5813705 (1998-09-01), Dole

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