发明名称 |
RESONANSBOTTEN FOR STRENGINSTRUMENT |
摘要 |
A laminate soundboard for a piano or the like having a metal core of a modulus of elasticity and an inherent damping factor corresponding to steel of at least a grade St 34, and at least one outer cover layer of wood or plastic bonded thereto in full surface contact on each side thereof. The outer cover layers have a damping characteristic corresponding to that of wood. |
申请公布号 |
SE436455(B) |
申请公布日期 |
1984.12.10 |
申请号 |
SE19800002931 |
申请日期 |
1980.04.18 |
申请人 |
WILHELM SCHIMMEL PIANOFORTEFABRIK GMBH |
发明人 |
G * SCHWICHTENBERG |
分类号 |
B32B7/12;G10C3/06;(IPC1-7):10C3/06 |
主分类号 |
B32B7/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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