专利名称：Apparatus for forming pleated material发明人：Craig A. Neff申请号：US08/009766申请日：19930127公开号：US05405483A公开日：19950411
摘要：An expandable collapsible product is made by providing a pleated sheet (8,10)having legs (20) which are made by securing two parts of a fold (17) together. Two sheetsare combined by securing the end of a leg (20) to a crease (16) or a leg (20) of anopposite sheet. The sheet material is folded to prefereably provide alternating tallerfolds (17) and shorter folds (16), and the taller folds are modified to provide the legs (20)by gluing parts of the taller folds (17) together. Gluing is accomplished by moving glueheads across the sheet at high velocity through the use of linear motors. The glue linesare heated after being laid down by the use of electro-magnetic radiation, preferablyfrom a high-powered laser. The finished product is used as insulated window coverings, orthe like.
申请人：HUNTER DOUGLAS, INC.
代理人：Gary M.Holland & Hart Polumbus
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