Apparatus for coating and deposit removal inside large...

Details Apparatus for coating and deposit removal inside large... Apparatus for coating and deposit removal inside large...

2006-04-13

2009-11-03

Perrin, Joseph L (Department: 1792)

Cleaning and liquid contact with solids

Apparatus

For work having hollows or passages

C134S16900A, C015S304000, C015S104050

Reexamination Certificate

active

07610924

ABSTRACT:
An apparatus for cleaning the interior sidewall of a large diameter tube includes a centrally-apertured circular brush plate adapted to fit within a lumen of the tube. A fluid conduit is mounted in the aperture so that an upper part of the fluid conduit is positioned above a plane of the circular brush plate and a lower part is positioned below the plane. A nozzle assembly is disposed in radial relation to the lower part of the fluid conduit. A hose provides fluid communication between a remote source of water under pressure and the fluid conduit. The circular brush plate is inserted into the lumen of the tube and is gradually advanced through the tube. The nozzle assembly is rotated about an axis defined by the fluid conduit as the circular brush plate is advanced through the tube so that water under pressure cleans the interior sidewall of the tube.

REFERENCES:
patent: 4036173 (1977-07-01), Nicklas
patent: 4968101 (1990-11-01), Bossow
patent: 5244505 (1993-09-01), Allison et al.
patent: 5389003 (1995-02-01), Van Steenwyk et al.
patent: 5622571 (1997-04-01), Derlein
patent: 5913977 (1999-06-01), Nichols
patent: 2004/0194809 (2004-10-01), Crawford et al.
patent: 2005/0210619 (2005-09-01), Boos et al.

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