COATED AND RECESSED INDUSTRIAL PAPER KNIFE

摘要

An industrial knife for attachment to a cutting machine is presented having a front beveled side and a back cutting side where the back cutting side has an upper portion that is recessed from a lower face to define an adhesive collection surface. The back cutting side and the bevel on the front beveled side is coated with a low friction coating material to reduce adhesive build-up on the blade faces of the knife during cutting and trimming of sheet media.

主权项

1. An industrial knife for use in a trimming or cutting machine comprising:
a metal stock material having a length L and a width W and having a front beveled side and a back cutting side, wherein the front beveled side comprises,
a bottom blade face that is beveled to angle less than 90 degrees as measured relative to a longitudinal axis parallel to width W; anda low friction coating present on an outer surface of the bottom blade face; wherein the back cutting side comprises,
a lower blade face and an upper end portion, where the upper end portion is recessed from the lower blade face to define a collection surface; anda low friction coating present on an outer surface of the lower blade face and on the collection surface.