发明名称 |
Closed cell foamed material having interior canals filled with substances |
摘要 |
A web of a cross-linked plastic material foamed in a closed-cell structure or configuration, having substantially parallel upper and lower surfaces, wherein canals penetrate the foamed material and extend and open to at least one of said upper and lower surfaces, and wherein substances can be introduced into the canals to impart beneficial properties to the web of foamed material.
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申请公布号 |
US4464428(A) |
申请公布日期 |
1984.08.07 |
申请号 |
US19820401341 |
申请日期 |
1982.07.23 |
申请人 |
FIRMA CARL FREUDENBERG |
发明人 |
EBERT, HEINRICH;NOE, MANFRED;WIND, KURT;KIRSCH, WILHELM |
分类号 |
B29C44/12;(IPC1-7):B32B3/10 |
主分类号 |
B29C44/12 |
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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