发明名称 ASSEMBLY FOR FORMING A BAG WITH A PINCH-BOTTOM SEAL
摘要 An assembly for forming a pinch bottom bag from a tube of material including a slitter for forming slits in the tube to define a forward ply and a rear ply, a first fold track for folding the rear ply to define a folded rear ply and a second fold track for folding the front ply and the folded rear ply so the front ply contacts the rear ply to define a pinch bottom seal.
申请公布号 US2011230323(A1) 申请公布日期 2011.09.22
申请号 US201113011620 申请日期 2011.01.21
申请人 ROBINETTE JAMES ALAN;ABEL JAMES W 发明人 ROBINETTE JAMES ALAN;ABEL JAMES W.
分类号 B31B1/26 主分类号 B31B1/26
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