发明授权
US4250796A Method and apparatus for making bags from tubular or semi-tubular webs
失效
用于从管状或半管状网制袋的方法和装置
- 专利标题: Method and apparatus for making bags from tubular or semi-tubular webs
- 专利标题(中): 用于从管状或半管状网制袋的方法和装置
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申请号: US20066申请日: 1979-03-13
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公开(公告)号: US4250796A公开(公告)日: 1981-02-17
- 发明人: Fritz Achelpohl , Horst Schneider
- 申请人: Fritz Achelpohl , Horst Schneider
- 申请人地址: DEX Lengerich of Westphalia
- 专利权人: Windmoller & Holscher
- 当前专利权人: Windmoller & Holscher
- 当前专利权人地址: DEX Lengerich of Westphalia
- 优先权: DEX2810896 19780331
- 主分类号: B29C65/00
- IPC分类号: B29C65/00 ; B29C65/18 ; B29C65/74 ; B31B23/00 ; B31B23/02 ; B31B23/60 ; B31B29/60 ; B31B1/64 ; B31B23/14
摘要:
In a method of making bags from a travelling web of superimposed plastics film, the web is cut transversely, the edges of the ends so formed are moved apart and the ends are then transversely welded.
公开/授权文献
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