| 发明名称 |
SPEAKER EDGE |
| 摘要 |
<p>It is an object of the present invention to provide a speaker edge which is high in strength, less in scattering of f0, high in waterproofness, small in amplitude at the time of resonance, easy to mold, and easy to be integrated with a cone body. That is, the present invention provides a speaker edge constituted by a molding which is molded in a manner so that a speaker edge raw material composition containing isocyanate and polyol is injected into a cavity of a mold by an agitating/mixing apparatus and subjected to reaction, foaming and curing in the cavity. <IMAGE></p> |
| 申请公布号 |
EP1077585(A1) |
申请公布日期 |
2001.02.21 |
| 申请号 |
EP20000906718 |
申请日期 |
2000.03.06 |
| 申请人 |
INOAC CORPORATION;MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
MIZONE, SINYA;KANEKO, SHINYA;IKEDA, KIYOSI;YAMASAKI, HIROKO |
| 分类号 |
H04R7/22;H04R7/20;H04R31/00;(IPC1-7):H04R7/20 |
主分类号 |
H04R7/22 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
