Method and apparatus for ultrasonically cutting mat board

Cutting – Processes – Cut advances across work surface

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Details

83100, 83577, 409132, B23C 300, B27C 502

Patent

active

053179439

ABSTRACT:
A method and apparatus for cutting mat board, and more specifically for cutting apertures including non-linear boundaries in mat board. The preferred embodiment of the apparatus of the present invention includes an automatically controlled ultrasonic cutting tool for cutting apertures having bevelled boundaries according to a predetermined pattern. The preferred embodiment of the method of the present invention includes stacking first and second mat boards and cutting through said first board into but not through said second, removing said first board, and cutting the same aperture in the same location in said second mat board which has been stacked on a third, uncut mat board.

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