Method and system for punching holes in a sheet material

Details Method and system for punching holes in a sheet material Method and system for punching holes in a sheet material

1992-04-06

1993-06-01

Watts, Douglas D.

Cutting

Processes

83347, 83328, 83669, 83658, 83685, B26F 112

Patent

active

052149900

ABSTRACT:
A method and system for forming an artwork on a sheet material and punching holes therethrough while the sheet material is disposed on a working surface so that the holes are punched in precise registration with the artwork. The method comprises the steps of providing for each hole to be punched a corresponding socket in the working surface, and securing the sheet material on the working surface so as completely to overlap all of the sockets whereupon the artwork is formed on the sheet material in precise registration with a predetermined origin of the working surface. Associated with each of the sockets is a punch and block combination disposed on opposite surfaces of the sheet material, the block being formed of a softer material than the punch and having an operating surface larger than a cutting surface of the punch. For each of the punch and block combinations, the punch is aligned with the block so that the operating surface of the block completely overlaps the cutting surface of the punch, and the punch is then axially displaced relative to the block aligned therewith so as to punch a hole through the sheet material in precise registration with the artwork.

REFERENCES:
patent: 3618438 (1971-11-01), Simson
patent: 4273015 (1981-06-01), Johnson
patent: 4358979 (1982-11-01), Kurzbuch
patent: 4485713 (1984-12-01), Dotia
patent: 5090685 (1992-02-01), Danon et al.

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