发明公开
- 专利标题： A method and equipment for securing the joined edges of a heat-sealable film material in wrapping machines
- 专利标题（中）： 用于接合可热封膜的边缘的方法和装置在组装包装机
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申请号： EP96830100.2申请日： 1996-03-07
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公开(公告)号： EP0731027A1公开(公告)日： 1996-09-11
- 发明人: Spatafora, Mario , Berti, Andrea
- 申请人： AZIONARIA COSTRUZIONI MACCHINE AUTOMATICHE-A.C.M.A.-S.p.A.
- 申请人地址： Via Cristoforo Colombo 1 I-40131 Bologna IT
- 专利权人： AZIONARIA COSTRUZIONI MACCHINE AUTOMATICHE-A.C.M.A.-S.p.A.
- 当前专利权人： AZIONARIA COSTRUZIONI MACCHINE AUTOMATICHE-A.C.M.A.-S.p.A.
- 当前专利权人地址： Via Cristoforo Colombo 1 I-40131 Bologna IT
- 代理机构： Pederzini, Paolo
- 优先权： ITBO950094 19950310
- 主分类号： B65B51/22
- IPC分类号： B65B51/22
摘要：
In a packaging machine through which products (4) are advanced singly and in succession along a wrapping line (24) together with a heat-sealable wrapping film, the film (3) is folded around each product (4) to form a wrapper (5) of tubular appearance with two joined longitudinal edges (2), whereupon the temperature of the edges (2) is raised by electromagnetic induction to soften the material in readiness for heat-sealing; the pressure required to fuse the joined and heated edges together is applied evenly from either side.
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