Fluid sprinkling – spraying – and diffusing – Slow diffusers – With support for porous or apertured encasing means
Patent
1981-03-19
1986-09-09
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Slow diffusers
With support for porous or apertured encasing means
220 4B, 239 59, A61L 912
Patent
active
046103945
ABSTRACT:
Disclosed herein is a container fabricated of plastic and including a tubular sidewall defining a hollow interior and having upper and lower margins, an elongated flat section having parallel side edges extending substantially between the upper and lower margins, and an arcuate section extending from and between the side edges of the flat section, together with upper and lower closure members extending in telescopic relation over the sidewall upper and lower margins and closing the upper and lower ends of the sidewall, which closure members are rotatable relative to the sidewall between arcuately spaced first and second positions, and valve means including respective apertures in the sidewall upper and lower margins and in the closure members, which apertures are substantially in register, and thereby open, when the closure members are in the first position and which apertures are substantially out of register, and thereby closed, when the closure members are in the second position.
Also disclosed herein is a blank for the sidewall, which blank includes a first flat portion having first and second spaced parallel edges, a first arcuate portion extending integrally from the first edge for arcuate movement relative to the flat portion about the first edge, and a second arcuate portion extending integrally from the second edge for arcuate movement relative to the flat portion about the second edge, which first and second arcuate portions have arcuate cross sections transversely of the first and second edges and have respective outer edges extending parallel to the first and second edges, which outer edges can be interfitted to establish the blank in a cylindrical form except for the flat portion.
REFERENCES:
patent: 2038071 (1936-04-01), Wilhelm
patent: 2438129 (1948-03-01), Rich
patent: 2578827 (1951-12-01), Munnecke
patent: 2783084 (1957-02-01), Paxton
patent: 2836462 (1958-05-01), Wenner
patent: 3409202 (1966-02-01), Belcher
patent: 3767110 (1973-10-01), Congleton
patent: 3817371 (1974-06-01), Gatter
patent: 4244470 (1981-01-01), Burnham
Forman Michael J.
Kashnikow Andres
Vaportek, Inc.
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