发明名称 Plastic bag machine having a separating apparatus
摘要 There is disclosed a bag making machine for producing wave top bags from an elongate strip of plastic web material. The disclosure relates to various improvements in the bag making machine such as the apparatus for spreading cut web material in directions transverse to the direction of elongation of web material.
申请公布号 US4568322(A) 申请公布日期 1986.02.04
申请号 US19840577715 申请日期 1984.02.07
申请人 PCL PACKAGING LIMITED 发明人 PIGGOTT, DAVID C.
分类号 B31B19/10;B31B23/00;(IPC1-7):B31B1/86;B31B23/14;B31B27/14 主分类号 B31B19/10
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