| 发明名称 |
UV LASER EXPOSURE OF HOUSINGS AND COMPONENTS OF DOOR DRIVES AND DOOR CLOSERS |
| 摘要 |
The invention relates to a door drive or door closer (1), having at least one housing (2) and at least one piston (7) mounted in a receiver (5) of the housing (2), wherein the surfaces (6, 8) of the receiver (5) and/or of the at least one piston (7) are treated by exposure to electromagnetic radiation. |
| 申请公布号 |
WO2012059189(A3) |
申请公布日期 |
2012.06.28 |
| 申请号 |
WO2011EP05356 |
申请日期 |
2011.10.25 |
| 申请人 |
DORMA GMBH + CO. KG;WULBRANDT, TIM |
发明人 |
WULBRANDT, TIM |
| 分类号 |
C21D1/06;C21D1/09;C21D1/10;C21D9/14 |
主分类号 |
C21D1/06 |
| 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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