发明名称 |
Loudspeaker diaphragm and method for making same |
摘要 |
A loudspeaker diaphragm is disclosed which is formed of a slurry of cellulose fibers and polypropylene fibers. In the fabrication of the diaphragm, a felt is made of the slurry, and the felt is subjected to sufficient heat and pressure to fuse the polypropylene fibers together to form a skeleton or matrix which extends through the felt.
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申请公布号 |
US4518642(A) |
申请公布日期 |
1985.05.21 |
申请号 |
US19830483308 |
申请日期 |
1983.04.15 |
申请人 |
INTERNATIONAL JENSEN INCORPORATED |
发明人 |
JOHNSTON, GEORGE C.;SWIEBODA, MICHAEL A. |
分类号 |
H04R7/02;H04R7/12;(IPC1-7):D04H1/04 |
主分类号 |
H04R7/02 |
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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