发明名称 MACCHINA PERFEZIONATA PER LA PRODUZIONE DI RECIPIENTI METALLICI SPECIALI A CHIUSURA ERMETICA
摘要 <p>The apparatus includes first means 301, for folding the upper edge 91 of the mouth of the container outwards and downwards to form an annular rim defining a hollow annular space 921, within the rim and second means 3021 for shaping the folded rim to form a peripheral ring around the mouth of the container having at least three folds 931, 932, 933 so that the lower edge of the rim rests against the outer surface of the container. Means (303 Fig. 2) may also be provided for producing from plastics strip flexible handles and attaching the handles to the containers. <IMAGE></p>
申请公布号 IT1183931(B) 申请公布日期 1987.10.22
申请号 IT19850067740 申请日期 1985.08.28
申请人 PALIME S.A. 发明人 PEDRAGOSA PEDRO PLANAS
分类号 B21D51/34;(IPC1-7):B21D/ 主分类号 B21D51/34
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