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RE: need to decide which material to use !

Author: Hiroshi
Date: 1999-10-07 05:49

As Mark wrote Gold is very ductile. So even a 24K gold used for flute bodies includes small amount of copper to get enough solidity.How much is their proprietary knowledge. Moreover they use steels for the key shafts and steel screws.(For springs they use white gold(not platinum).

This knowledge may be applied to ligatures. For example,make a ligature made of silver but with steel or stainless steel threads(female) and male screws.

Since Bonade's petition for a patent is well before 15(patent expiration period) years ago, the obstacle might be not of patent but of the mimicry of a trade registered shape. You have to change its shape as obviously recognized different from Bonades.

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