Brushing – scrubbing – and general cleaning – Submerged cleaners with ambient flow guides
Patent
1986-07-01
1988-05-10
Nilson, Robert G.
Brushing, scrubbing, and general cleaning
Submerged cleaners with ambient flow guides
137843, E04H 320
Patent
active
047425938
ABSTRACT:
A valve member for a water interruption pool cleaner installable within the operating head between an open mouth and the flexible hose connection. The valve is a tubular body of flexible material. The body assumes a substantially collapsed condition over a segment thereof in absence of a pressure differential across the wall. Along the collapsed segment, the body has diverging interior walls in the direction of water flow. Longitudinal ribbing on each side of the body may be provided for reinforcement.
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Coxwold (Proprietary) Ltd.
Nilson Robert G.
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