发明名称 PROCEDIMENTO ED APPARECCHIATURA PER IL TAGLIO IN STAMPO DI OGGETTI TERMOFORMATI ESTRAIBILI DALLO STAMPO SENZA PIASTRA DI PRELIEVO.
摘要 <p>The invention relates to a method of thermoforming and partly cutting thermoforming objects, which comprises intermittently feeding a tape or plate (2) of thermoformable material to a thermoforming press (46); thermoforming and cutting the tape or plate in a mould (48, 50) to obtain at least one thermoformed article (51) surrounded by residual web or waste (57), wherein partial cutting is carried out by means of punch-and-die cutting means (52, 54) and cutting affects the whole outline of each thermoformed object (51) and has at least one discontinuity (55) which results in one or more tiny connection sections or witness beads (58) connecting each thermoformed object (51) to the waste (57). <IMAGE> <IMAGE></p>
申请公布号 ITVR20010132(A1) 申请公布日期 2003.06.11
申请号 IT2001VR00132 申请日期 2001.12.11
申请人 ISAP OMV GROUP S.P.A. 发明人 PADOVANI PIETRO
分类号 B29C51/32;B29C51/44 主分类号 B29C51/32
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