| 发明名称 |
UV LASER EXPOSURE OF HOUSINGS AND COMPONENTS OF DOOR DRIVES AND DOOR CLOSERS |
| 摘要 |
<p>A door operator or a door closer having at least one housing and at least one piston supported to be movable in a reception of the housing. The surfaces of the reception and/or of the at least one piston have been treated by exposure to electromagnetic radiation.</p> |
| 申请公布号 |
EP2635716(A2) |
申请公布日期 |
2013.09.11 |
| 申请号 |
EP20110776706 |
申请日期 |
2011.10.25 |
| 申请人 |
DORMA GMBH&CO. KG |
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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