发明名称 Venting means for an electronic or electric protective box.
摘要 <p>The invention relates to venting means for an electronic or electric protective box. The means comprises essentially, covering a cylindrical body (2), a covering cap (3) which locks onto the cylindrical body thereby leaving a chicane-like passageway between this body and the plug, avoiding the re-entering of water into the box. The invention makes it possible to avoid condensation problems inside sealed protective boxes. &lt;IMAGE&gt;</p>
申请公布号 EP0353110(A1) 申请公布日期 1990.01.31
申请号 EP19890401686 申请日期 1989.06.15
申请人 SCHMITT LUDWIG GMBH 发明人 SCHWARTZ, ROMAN, MR.;SCHMITT, HORST, MR.
分类号 F21V31/03;H05K5/02 主分类号 F21V31/03
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