发明名称 |
VORRICHTUNG ZUM AUFZIEHEN VON SCHLAUCHABSCHNITTEN ZUR BILDUNG VON BODENQUADRATEN BEI DER HERSTELLUNG VON KREUZBODENSAECKEN |
摘要 |
An apparatus for opening and folding the end of a flattened tubular sheet to define the rectangular base of a bag or sack to be made from the sheet comprises a table having a slot through which the flattened sheet projects, the projection being formed into a bag base by suckers locating the projection in a pre-opened condition and grippers which engage opposed margins of the projection, one of the grippers being fixed and the other being secured to a pivotable arm. |
申请公布号 |
DE2931607(A1) |
申请公布日期 |
1981.02.05 |
申请号 |
DE19792931607 |
申请日期 |
1979.08.03 |
申请人 |
WINDMOELLER & HOELSCHER |
发明人 |
ACHELPOHL,FRITZ;DECKER,WERNER |
分类号 |
B31B1/26;B31B1/28;B31B1/76;B31B1/80;B31B23/74;B31B29/26 |
主分类号 |
B31B1/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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