Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
Reexamination Certificate
2007-11-02
2011-10-11
Barr, Michael (Department: 1711)
Cleaning and liquid contact with solids
Processes
Hollow work, internal surface treatment
C134S022120, C134S033000
Reexamination Certificate
active
08034186
ABSTRACT:
The invention relates to a method of cleaning tubes, in which the tube is at least partially filled with a cleaning medium, wherein a cleaning medium is atomized, in which case the droplets of cleaning medium are accelerated, at least in part, essentially in the direction of a center axis of the tube.
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patent: 2628431 (1953-02-01), Chapman
patent: 3291640 (1966-12-01), Livingston
patent: 2005/0126624 (2005-06-01), Pellizzari
patent: 2008/0210262 (2008-09-01), Lauzon
patent: 600 17 950 (2006-01-01), None
patent: 2 388 562 (2003-11-01), None
patent: 1020050099709 (2005-10-01), None
Elfner Peter
Zoettl Martin
Barr Michael
Chaudhry Saeed T
DeMont & Breyer LLC
Schott AG
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