Folded sheet material web and assembly and method and...

Details Folded sheet material web and assembly and method and... Folded sheet material web and assembly and method and...

B - Operations, Transporting

65

H

B65H 45/22 (2006.01) B65H 39/10 (2006.01) B65H 45/24 (2006.01)

Patent

CA 2206011

A sheet material assembly comprising a stack of longitudinally folded sheet material webs including a first web and second web. The first web includes a first fold, a second fold overlying a portion of said first fold, and a third fold lying between the first and second folds. The second web includes a first fold underlying the first fold of the first web, a second fold overlying the second fold of the first web and a third fold underlying the third fold of the first web. A folding device for forming a web includes a first, second and third folding edge extending from a first junction and formed in a first plane, a fourth folding edge extending from the first junction out of the first plane, a fifth and sixth folding edge extending from a second junction formed in a second plane parallel to and above the first plane, and a seventh folding edge extending from the second junction out of the second plane. The fifth folding edge crosses over the third folding edge in a spaced apart relationship. A method for forming a sheet material web includes drawing the web over the second, third and fourth folding edges to form the first fold, drawing the web over the first folding edge to form a second fold and drawing the web over the fifth, sixth and seventh folding edge to form the third fold.

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