发明名称 PROCEDIMENTO DI FABBRICAZIONE DI CONTENITORI AUTOPORTANTI DI MATERIALE CARTACEO PER LA COTTURA IN FORNO, LA PRESENTAZIONE E LA VENDITA DI PRO
摘要 The method comprises in succession the following operating steps: -- the cutting, by means of a die-cutter (21), of a disk (D) from a ribbon (11) of paperlike material which is fed continuously from a storage reel (10); -- the drawing of said disk by means of complementarily shaped mold parts (22-23) and the forming of the bottom and of the lateral wall or walls of the container, the lateral wall or walls having a perimetric flap which is in excess with respect to the depth of the finished container (30); -- the swaging, by means of a beading ring (24), of the excess perimetric flap and the forming of a compacted circular rim (B) which is adapted to give the container (30) self-standing characteristics. <IMAGE>
申请公布号 ITTO980346(A1) 申请公布日期 1999.10.25
申请号 IT1998TO00346 申请日期 1998.04.24
申请人 ECOPACK S.P.A. 发明人 FERRI LUIGI;FERRI FRANCESCO
分类号 B31F1/00 主分类号 B31F1/00
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