专利名称：METHOD FOR THE PRODUCTION OF BAGS
MADE OF PLASTIC FILM
发明人：MEYER, ARMIN,SCHNEIDER, JACKOB申请号：EP02776993.4申请日：20020905公开号：EP1425226A1公开日：20040609
摘要：A method for the production of bags made of plastic film, in which, for formingdouble-layer front walls and rear walls lying one on top of the four specific be
processed, from which, by means of cross-welding with the formation of the side seams(3) the bags are formed, and in which, on a side wall of the plies of web in the region ofthe bag openings (7) between the two layers of the front - and the rear wall in each casea tension band (9) is inserted and then in each case the two plies of web of the front walland the rear wall by longitudinal welding are connected with one another, characterizedin that the four plies of web of two in each case is open on one longitudinal side and onthe other longitudinal side folded half-hoses (1, 2) are formed, which are placed aboveone another in such a way that their folding in each case at the same longitudinal side islocated, and that the two half tubes (1, 2) on their folded longitudinal side with alongitudinal weld seam (6) for the formation of the bag base are connected to oneanother and that, in the uppermost and lowermost layer of sheets in each case a handlehole..
申请人：LEMO MASCHINENBAU GMBH
地址：Rheidter Strasse 52 D-53859 Niederkassel-Mondorf DE
国籍：DE
代理机构：Thul, Hermann, Dipl.-Phys.
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