Valves and valve actuation – With correlated flow path – Tank
Patent
1998-04-23
1999-06-15
Lee, Kevin
Valves and valve actuation
With correlated flow path
Tank
251147, 119264, A01K 6300
Patent
active
059114029
ABSTRACT:
The present relates to an aquarium drainage assembly comprising a pipe member having an inner nipple adapted to be mounted within a designated opening formed in a wall of the aquarium and an outer nipple extending outside the aquarium. The inner nipple is permanently mounted within the aquarium by a locking nut mounted on the pipe member, the locking nut being adapted to tightly clamp the assembly to the wall. A sealing element is located on the pipe member and placed around the opening adjacent to an inner and an outer surface of the wall; it permits a watertight sealing of the assembly within the opening. A valve element mounted within the outer nipple allows to regulate water circulation through the assembly. The locking nut includes a thread which is tightened around the inner nipple via a corresponding thread formed around an outer surface of the inner nipple and a stopper located on the outer nipple. The assembly tightly clamps to the wall by tightening the nut thus causing the wall to be clamped between the nut and the stopper.
REFERENCES:
patent: 3638616 (1972-02-01), Carmouche
patent: 4944248 (1990-07-01), Torng
patent: 5640930 (1997-06-01), Kirby
Lee Kevin
Shvartsman Mila
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