发明名称 Device and a process for the production of sleeves
摘要 The invention relates to a device and a process for manufacturing sleeves, in particular paper sleeves for the production of paper cups, comprising a take-up mandrel for taking up a sleeve, whereby the take-up mandrel comprises a circumferential recess, also comprising a press roller for placing on an outer side of the sleeve and for forming at least one circumferential projection in the recess of the take-up mandrel. In accordance with the present invention, the recess is designed in the form of a shoulder.
申请公布号 US2010160130(A1) 申请公布日期 2010.06.24
申请号 US20090653441 申请日期 2009.12.14
申请人 MESSERSCHMID UWE 发明人 MESSERSCHMID UWE
分类号 B31B43/00;B31B49/02 主分类号 B31B43/00
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