发明名称 Method for producing an annular end fold on a tubular sheath, in particular a plastic packaging sheath, and machine for implementing this method
摘要 The invention relates to a packaging method. At least one annular end fold 1 is produced on a tubular sheath 2, for example made from plastic film. Firstly, the free end 4 is seized and then a relative displacement of the free end 4 relative to the actual sheath 5 is performed on that side where the sheath is located, and, finally, the free end 4 is released. The device for implementing the method comprises means 13a, 13b for seizing at least the free end of the sheath and means 14 for relative displacement of the seizing means relative to the means for holding the actual sheath. The seizing means 13a, 13b are located at certain locations spaced from one another at the periphery of the sheath. Application to the packaging of palletised loads. <IMAGE>
申请公布号 FR2566739(A1) 申请公布日期 1986.01.03
申请号 FR19840010452 申请日期 1984.07.02
申请人 NEWTEC INTERNAL SA 发明人 HUBERT THIMON
分类号 B65B9/13;(IPC1-7):B65B11/02;B29C53/04;B29C61/02;B65B53/00;B65H45/02 主分类号 B65B9/13
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