Process and device for ultrasound treatment of a strip of material
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United States of America Patent
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Nov 25, 2003
Grant Date -
Nov 14, 2002
app pub date -
Mar 21, 2002
filing date -
Mar 21, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for ultrasound treatment of a strip of material and a device for implementing such a process. A strip of material passes through a treatment gap, which is formed by a roller device that includes a rotating roller body and a sonotrode that is directed approximately radially against the working surface of the roller body. In order to at least extensively prevent any concentricity defect of the roller body that might result from bending of the roller body, the roller body is cooled directly below the working surface of the roller body. For this purpose, the roller body has a number of lengthwise bores distributed uniformly over the circumference, preferably on an arc, through which a cooling medium flows in essentially uniform manner.
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