发明名称 Antifreeze protector for car door or boot lock - has shank fitting keyhole with grip knob at outer end, protector is pref. polyamide 6 or PVC injection-moulding
摘要 <p>The device is intended for protecting a door or boot lid lock of a motor vehicle against freezing up. It comprises a shank which fits in the keyhole and carries a knob (5) at its outer end. The shank or the entire device pref. consists of heat insulating material with some resilience, e.g. plastic such as polyamide six or PVC, and may be an injection-moulding. The knob may have a grooved and/or knurled perimeter, and a flat outer face carrying a logo or the like. The device may be transparent.</p>
申请公布号 NL8401550(A) 申请公布日期 1985.12.02
申请号 NL19840001550 申请日期 1984.05.14
申请人 PIETER ROMBERTUS WILLEM UITERMARKT EN JAN DIRK MEULDIJK BEIDEN TE ROTTERDAM. 发明人
分类号 E05B17/00;(IPC1-7):E05B17/16;B60R27/00 主分类号 E05B17/00
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