Needling device
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United States of America Patent
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Aug 25, 2015
Grant Date -
Dec 19, 2013
app pub date -
Feb 24, 2012
filing date -
Mar 1, 2011
priority date (Note) -
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Abstract
A needle device for processing an in particular strip-shaped planar structure comprises a needle bed, on which a plurality of needle elements provided with tips are arranged in such a manner that the needle elements protrude from the needle bed and the tips thereof point away from the needle bed. The needle elements are designed as flat blades each of which having at least one cutting edge extending from the tip of the needle element toward the needle roller. The needle elements are fastened via leg-shaped mounting members in bar-like needle carriers, which are in turn inserted in grooves of the needle roller.
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