Apparatus and method for forming at least one fold line...

Details Apparatus and method for forming at least one fold line... Apparatus and method for forming at least one fold line...

B - Operations, Transporting

29

C

B29C 59/04 (2006.01) B29C 35/08 (2006.01) B29C 53/06 (2006.01) B29C 65/14 (2006.01) B29C 67/00 (2006.01) B29C 37/00 (2006.01)

Patent

CA 2048329

A91305US ABSTRACT Disclosed is a substantially rigid plastic material having at least one fold line pattern comprising a series of generally parallel grooves, wherein preferably groove depth increases from the outside to the middle of the pattern, and an apparatus and method for making the material. The apparatus includes a frame, a conveyor system for moving the plastic material along a linear path, a feeding means situated at an upstream end of the conveyor system and adapted to position the plastic material on the conveyor system, a heating means situated downstream of the feeding means adapted to heat the area to be embossed with the fold line pattern to a temperature sufficient to form the fold line pattern, and an embossing means comprising a knurled flat roller and a cooperating embossing roller comprising a series of ridges suitable for embossing the fold pattern. 01676/0/1-1-1/2-26-91

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