Fluid handling – Diverse fluid containing pressure systems – Main line flow displaces additive from shunt reservoir
Patent
1989-07-24
1990-10-02
Cohan, Alan
Fluid handling
Diverse fluid containing pressure systems
Main line flow displaces additive from shunt reservoir
220 5R, B65D 600, A47L 500
Patent
active
049601490
ABSTRACT:
An aspirator comprising a suction head fitted onto the top of a wheel-mounted bin designed to contain the aspirated material. The bin is composed of a bottom section carrying said wheels and of one or more intermediate sections open from above and below which can be stacked and removably secured together so as to form, together with the bottom section, a bin of variable vertical dimensions.
REFERENCES:
patent: 2665663 (1954-01-01), Rawson
patent: 2666498 (1954-01-01), Petersen
patent: 3193129 (1965-07-01), Pfluger
patent: 4577650 (1986-03-01), McConnell
Cohan Alan
F.A.D.I. Fabrica Aspirapolvere Domestic Industriali
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