Cleaning and liquid contact with solids – Apparatus – For work having hollows or passages
Patent
1978-05-26
1979-12-18
Bleutge, Robert L.
Cleaning and liquid contact with solids
Apparatus
For work having hollows or passages
4172, 417215, 15 17, 138110, 239229, B08B 302, B08B 908
Patent
active
041789490
ABSTRACT:
A plurality of freely rotating wear rings are disposed along a flexible whip hose of the type used for cleaning swimming pools. The rotating wear rings prevent the flexible whip hose from being abraded by the inner surfaces of a swimming pool. The rotating wear rings have long lives, as their rotation precludes significant abrasion upon the inner surfaces of the swimming pool.
REFERENCES:
patent: 3261371 (1966-07-01), Vernon
patent: 3776464 (1973-12-01), Proffit
patent: 3794052 (1974-02-01), Koble, Jr. et al.
patent: 3820172 (1974-06-01), Kane
patent: 3872533 (1975-03-01), Proffit
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