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Method and device for manufacturing bags with ther

2023-10-24 来源:易榕旅网
专利内容由知识产权出版社提供

专利名称:Method and device for manufacturing bags

with thermoplastic pull strings

发明人:WAGNER, ROBERT申请号:EP89111383.9申请日:19890622公开号:EP0348823A2公开日:19900103

专利附图:

摘要:The invention relates to a method and a device for manufacturing bags withthermoplastic pull strings, which are laid in hems along the edges of the sheet, the hemsbeing welded on and the bags being divided by transverse welding of the side seams, inwhich double-layered pull strings by folding and severing a sheet strip are used andgripping holes and venting openings are punched into the laid-flat sheet web not yetfolded to form hems.

申请人:STIEGLER GMBH MASCHINENFABRIK

地址:Am Burren D-73635 Rudersberg DE

国籍:DE

代理机构:Müller-Gerbes, Margot, Dipl.-Ing.

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