DISK AND WIND INSTRUMENT
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United States of America Patent
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app pub date -
Dec 7, 2016
filing date -
Feb 27, 2012
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Abstract
A disk of a wind instrument includes an integral body made of a material which is in a solid state at a room temperature and in a malleable state at a predetermined temperature higher than the room temperature. The disk is configured to stabilise a pad assembly in a key cup for closure of a tone hole of the wind instrument.
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