Hollow needle cutting apparatus
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United States of America Patent
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Apr 24, 2012
Grant Date -
N/A
app pub date -
Jul 21, 2009
filing date -
Jul 21, 2008
priority date (Note) -
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Abstract
A hollow needle tufting apparatus is provided with swivel mounted knives and an improved needle design directed to improve cutting efficiency and the life of the hollow needles and associated knives.
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