Method and apparatus for facilitating the collapse of an...

Details Method and apparatus for facilitating the collapse of an... Method and apparatus for facilitating the collapse of an...

A - Human Necessities

22

C

A22C 13/00 (2006.01) B29C 47/00 (2006.01) B29C 47/88 (2006.01)

Patent

CA 2299191

A method and apparatus is disclosed for lacing an extruded tube of a non derivatized cellulose through an S-wrap to collapse the tube to a flat width. The lacing to form the S-wrap is accomplished without slowing the extrusion speed. At the start of the extrusion operation, the extrusion path leads between a pair of horizontally lacing members. After the leading edge of the extruded tube has passed downwardly through the space between the lacing members, the members are rotated as a unit to bring them into contact with opposite sides of the extruded tube. This collapses the and creates the S-wrap.

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