Device for smoothing panels or battens
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United States of America Patent
Stats
-
Nov 9, 1999
Grant Date -
N/A
app pub date -
Apr 17, 1998
filing date -
Nov 3, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for smoothing a workpiece has a housing that is displaced relative to the workpiece in a direction and that carries a pair of augers provided with respective screwthreads having outer edges in contact with the workpiece. These augers are rotated on the housing about respective generally parallel axes transverse to the direction so as to scrape the workpiece with the screwthreads. Furthermore the augers are of such a hand and the are rotated in such a direction that the augers exert on the workpiece opposite axially directed forces.
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Family
International Classification(s)
Cited Art Landscape
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