发明名称 |
MANUFACTURING METHOD OF PAPER MAKING PART FOR LOUDSPEAKER, PAPER MAKING PART FOR LOUDSPEAKER, DIAPHRAGM FOR LOUDSPEAKER, SUB CONE FOR LOUDSPEAKER, DUST CAP FOR LOUDSPEAKER AND LOUDSPEAKER |
摘要 |
A manufacturing method of a paper making part for a loudspeaker has freedom of adjusting a characteristic and a sound quality, and has a higher productivity. Accordingly, a fibrillating step of a paper making material is achieved by an explosive crushing step. Alternatively, the step is achieved by a mixing step of a paper making material and a liquid, a material micro-fabricating step of applying a pressure to a mixed solution obtained by the mixing step so as to pass through an orifice and thereafter run into a device wall, and a paper making step including the micro-fabricated material.
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申请公布号 |
US2010027826(A1) |
申请公布日期 |
2010.02.04 |
申请号 |
US20070813555 |
申请日期 |
2007.02.23 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
MIMURA KAZUYOSHI;AJIKI KENICHI;MIZONE SHINYA;SUMIYAMA MASAHIDE;FUJII TORU |
分类号 |
H04R1/20;D21B1/36;D21C3/22;D21C3/26;D21C9/00;D21H17/33 |
主分类号 |
H04R1/20 |
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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