Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2005-11-04
2009-06-09
Spisich, Mark (Department: 3727)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S304000, C015S056000
Reexamination Certificate
active
07543354
ABSTRACT:
Brush head for cleaning a vessel and use in an automatic dissolution vessel cleaning apparatus which includes a rotatable shaft defining a through passage, an upper end of which is operatively connected to a vacuum source, an inflow housing having at least one channel through which cleaning fluid is pumped and to which the shaft is rotatably mounted, and a brush assembly mounted on the shaft below the housing such that a lower end of the passage is situated below the brush assembly. In use, when the brush head is inserted into the vessel, cleaning fluid is directed through the channel(s) into the vessel while the shaft rotates causing the brush assembly to rotate and clean an inner wall of the vessel with fluid in the vessel being drawn into the passage via its lower end upon coupling of its upper end to the vacuum source.
REFERENCES:
patent: 2726415 (1955-12-01), Volckening
patent: 5109562 (1992-05-01), Albrecht
Lee Luke
Zhang Yu Sheng
Logan Instruments Corporation
Roffe Brian
Spisich Mark
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