Abrading – Machine – Sandblast
Reexamination Certificate
2011-04-12
2011-04-12
Morgan, Eileen P. (Department: 3723)
Abrading
Machine
Sandblast
C451S075000, C451S090000, C451S102000, C062S604000, C062S605000, C241S273100, C241S297000, C241S095000
Reexamination Certificate
active
07922565
ABSTRACT:
The invention relates to a device for comminuting dry ice granules, comprising a housing having a flow channel for dry ice granules which can be applied, by means of compressed gas, to a surface to be cleaned, and also comprising a first comminution member for comminuting the dry ice granules which are to be dispensed. In order to provide a device of this kind with which different degrees of comminution of dry ice granules can be achieved in a simple manner, it is proposed according to the invention that the device has at least one second comminution member which can be disposed in the housing in a position in which a total degree of comminution, which is greater than the individual degree of comminution which can be achieved solely by the first comminution member, can be achieved in combination with the first comminution member. A dry ice dispensing arrangement for dispensing a mixture of compressed gas and dry ice granules is also proposed, having a device of the above kind.
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Knisel Bernd
Schick Ralf
Alfred Kaercher GmbH & Co. KG
Lipsitz & McAllister LLC
Morgan Eileen P.
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