发明名称 |
Method of production of composite multi-ply panel involves covering and base plates, intermediate layer and hollow balls |
摘要 |
The composite panel consists of two outer metal or plastic boards as covering(1) and base (2) plate joined to an intermediate layer (3) which is variably composed of hollow balls (4) welded or sintered or stuck together. The diameter of the balls can be the same or variable and in the same or different arrangements.
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申请公布号 |
DE19939513(A1) |
申请公布日期 |
2001.03.08 |
申请号 |
DE19991039513 |
申请日期 |
1999.08.20 |
申请人 |
DAIMLERCHRYSLER AG |
发明人 |
GERICK, ARNDT;LEMPENAUER, KLAUS |
分类号 |
B22F3/11;B32B3/20;E04C2/292;E04C2/296;(IPC1-7):B32B3/20 |
主分类号 |
B22F3/11 |
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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