发明名称 |
Illuminated switches and rubber material for the cover piece therefor |
摘要 |
A finger touch member of an illuminated switch prepared by a process comprising printing or coating a surface of a multicomponent rubber material composed of, as essential components, 90-70% by weight of EPDM and 5-30% by weight of liquid polymerized butadiene rubber, with an ink of contemplated color, covering the entire top face of the resulting printed or coated cover piece with a light blocking coating layer and irradiating the so covered top face with a laser beam to cut out the coating layer in a contemplated pattern.
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申请公布号 |
US5407721(A) |
申请公布日期 |
1995.04.18 |
申请号 |
US19930156318 |
申请日期 |
1993.11.19 |
申请人 |
FUJI POLYMERTECH CO., LTD. |
发明人 |
FUJIGAKI, MASAHISA;KIMURA, YASUKO;HARTGAE, KEIKO |
分类号 |
B32B25/04;C08L23/16;H01H3/12;H01H9/18;H01H13/02;(IPC1-7):B32B3/00 |
主分类号 |
B32B25/04 |
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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