专利内容由知识产权出版社提供
专利名称：Bag making machine发明人：Scott A. Brewer,David E. Frye申请号：US08/509710申请日：19950731公开号：US05590612A公开日：19970107
摘要：A machine and process for producing bags from roll stock of bag material aredisclosed. The machine includes four subassemblies, a folding and cutting subassembly, atransport and first sewing subassembly and a second transport and sewing subassemblyand a stacking subassembly. The folding and cutting subassembly, preferably includes adrum or reel with a plurality of peripheral clamps which are successively opened toreceive the bag material and a blade positioned to force the bag material into an openclamp to define a fold. The adjacent closed clamp holding folded bag material tensionsthe bag material. A cutter severs adjacent folds between the adjacent clamps. Transferand transport means are present to advance the folded cut bag blank past two sewingmachines and then to the stacker subassembly. The process of this invention includes thesteps of grasping the end of a continuous strip of bag material, deflecting a portion todefine a fold, clamping the fold and transferring it to an adjacent station, repeating thefolding and clamping operation to tension the material between folds, cutting the foldsbetween adjacent tensioned regions to provide folded cut bag blanks. Next, the foldedcut bag blanks are transferred to two successive sewing operations to sew one side andan end to complete a bag. Next, optionally, the bags may be stacked for subsequenttransfer or use.
申请人：BREWER; SCOTT A.,FRYE; DAVID E.
代理机构：Wagner & Middlebrook
更多信息请下载全文后查看
