Cleaning and liquid contact with solids – Apparatus – For work having hollows or passages
Patent
1980-11-10
1982-10-19
Bleutge, Robert L.
Cleaning and liquid contact with solids
Apparatus
For work having hollows or passages
151043R, 137883, 138 90, B08B 302, B08B 902
Patent
active
043545157
ABSTRACT:
An apparatus for flushing drain pipes is disclosed having an expansible member of resilient material insertable into the pipe to be flushed, a first valve for connecting the expansible member to a source of fluid under pressure for filling and emptying the expansible member and a second valve also connected to the source of fluid under pressure for flushing the obstruction from the pipe.
REFERENCES:
patent: 1099713 (1914-06-01), Morris
patent: 1506418 (1924-08-01), Evensta et al.
patent: 1510212 (1924-09-01), DuBois
patent: 2763288 (1956-09-01), Tharp
patent: 3075535 (1963-01-01), Lasting
Baker Joseph J.
Bleutge Robert L.
Ferguson Jr. Gerald J.
Whitham C. Lamont
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