发明授权
- 专利标题： Flame retardant diaphragm for acoustic transducers
- 专利标题（中）： 用于声学传感器的阻燃隔膜
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申请号： US382461申请日： 1982-05-26
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公开(公告)号： US4472543A公开(公告)日： 1984-09-18
- 发明人: Kazuo Tsuchiya , Fumio Kawahara , Shigeru Watanabe
- 申请人： Kazuo Tsuchiya , Fumio Kawahara , Shigeru Watanabe
- 申请人地址： JPX Tokyo JPX Yamagata
- 专利权人： Pioneer Electronic Corporation,Mogami Denki Kabushiki Kaisha
- 当前专利权人： Pioneer Electronic Corporation,Mogami Denki Kabushiki Kaisha
- 当前专利权人地址： JPX Tokyo JPX Yamagata
- 优先权： JPX56-82552 19810601
- 主分类号： H04R7/20
- IPC分类号： H04R7/20 ; D06M13/08 ; H04R7/02 ; H04R7/00
摘要：
A flame retardant diaphragm for speakers, etc. comprises an admixture of natural fibers and inorganic fibers. The admixture is impregnated with a thermosetting resin and an organic bromine compound, and heat-treated under pressure. The organic bromine compound acts as a flame retarder.
公开/授权文献
- US5569291A Surgical penetration and dissection instrument 公开/授权日：1996-10-29
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