发明名称 Method for producing a control button having an exposed symbol
摘要 <p>A decorative ornamental part, e.g. control key, is produced by cutting operation to produce a clearance gap such that the stamping punch carrying out the cutting operation remains as a place-holder in the cut contour of the clearance gap during the injection operation, and that the injection operation producing a bond ensures the exact connection of the contour of the cut free inner part to the frame of the ornamental part. Production of a decorative ornamental part, e.g. control key, comprises cutting operation to produce the clearance gap such that the stamping punch carrying out the cutting operation remains as a place-holder in the cut contour of the clearance gap during the injection operation, and that the injection operation producing a bond ensures the exact connection of the contour of the cut free inner part (33) to the frame of the ornamental part. The ornamental part has a symbol (32) in relief that is defined by a clearance gap (34) free as far as possible of webs and connections in the frame (31) of the control key. It is back-injected with a plastic melt by the plastic injection molding process. An independent claim is also included for a device for producing a decorative ornamental part, e.g. control key, comprising cutting tool (17, 18) for holding the cut free inner part in the injection mold upper part.</p>
申请公布号 EP1621313(B1) 申请公布日期 2010.02.24
申请号 EP20050012698 申请日期 2005.06.14
申请人 ANGELL-DEMMEL EUROPE GMBH 发明人 TAEMMERICH, ROLF;BRUENNEL, ELMAR;SCHUMACHER, ROLF
分类号 B29C45/14;H01H9/18 主分类号 B29C45/14
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