Sanding and polishing systems
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Feb 18, 2003
Grant Date -
N/A
app pub date -
Mar 14, 1996
filing date -
May 17, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An sanding/polishing apparatus which has a motor including a body and a working head which is mounted on the body for sanding/polishing movement relative to the body and to a surface to be treated and includes means for attachment of an abrasive or polishing material to the working head. A feed line is provided in the motor for directing a cold gas flow through the body and working head to the surface to be treated, and a cold gas flow is fed to that feed line through a vortex tube mounted on the body that significantly reduces the temperature of the air delivered to the feed line.
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