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US 2003/0224705 A1Published application
Diamond abrasive tonehole file for woodwind musical instruments
OwnerJames E. Schmidtinventor
Life of this patent
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Abstract
A diamond abrasive tonehole file for leveling the tonehole rims of a musical instrument.
Claims17
A tool for abrading the tonehole rim of a musical wind instrument comprising:
- a first disk;
- a diamond abrasive on at least one surface of said disc.
A tool for abrading the tonehole rim of a musical wind instrument comprising:
- a first disk and a second disc;
- a diamond abrasive on said surface of said first disc;
- said second disc being attachable to the first disc.
An abrasive disc for abrading the tonehole rim of a musical wind instrument comprising:
- a flexible sheet with a first and second surface:
- said first surface having a diamond abrasive;
- said second surface having an adhesive for adhering to a disc.
A tool for abrading the tonehole rim of a musical wind instrument comprising:
- a first disk;
- a cubic boron nitride abrasive on said surface.
Dependencies are inferred from the claim text.