Degradable string for string trimmer
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United States of America Patent
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Issued Date -
Mar 10, 2011
app pub date -
Sep 8, 2009
filing date -
Sep 8, 2009
priority date (Note) -
Abandoned
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Abstract
A string for string trimmer has a non-circular cross section and is made of degradable material such as Polylactide (PLA), Polycaprolactone (PCL) or Polyvinyl Acetate (PVA). The string is a spiral string with multiple cutting edges spirally extending along a longitudinal axis of the string.
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