Wind instrument trumpet and its manufacturing and molding methods
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United States of America Patent
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Sep 12, 2017
Grant Date -
Nov 3, 2016
app pub date -
Jul 8, 2016
filing date -
Jan 25, 2014
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Abstract
The present invention provides a wind instrument trumpet and its manufacturing and molding methods. The wind instrument trumpet of the present invention adopts polymeric material with integrated molding process, reducing trumpet spare part quantities and optimizing spare part structure. Moreover, the wind instrument trumpet of the present invention has a lighter overall structure and purer tone quality by applying integrated molding process to the piston outer pipe of tuning component. The present invention greatly decreases the quantity of spare parts, improves assembly accuracy and efficiency, reasonably controls the accuracy of a single spare part while improving the matching accuracy considerably, ensures the movement direction of keys more effectively through the coordination with the piston outer tubes so that the keys are smoother compared to the traditional ones.
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