Method of making die plates

Details Method of making die plates Method of making die plates

1979-11-05

1981-10-13

Massie, Jerome W.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

1566591, 156664, 430306, 430320, 430323, C23F 102

Patent

active

042946492

ABSTRACT:
The disclosure relates to a method of making a pair of die plates having raised lands which cooperate to cut or crease material pressed between them. A line drawing of the desired pattern of cuts and creases is converted to coded information which is fed to the memory of an automatic machine tool. The automatic machine tool then produces a master image of the pattern of cuts and creases by selectively removing an opaque layer from a light transmitting substrate. The width of the lines on the master image are controlled according to whether cuts or creases are to be made, the height of the lands to be formed and the chemical properties of the material of which the die plates are to be formed. The master image is used to control chemical etching of the die plates, and thereafter the automatic machine tool, controlled by the same coded information, forms the desired profile for the lands. In addition, special machining is performed where cutting lands intersect each other.

REFERENCES:
patent: 3236708 (1966-02-01), Tillis
patent: 3402083 (1968-09-01), Patsko et al.
patent: 3570329 (1971-03-01), Schunemann
patent: 3690199 (1972-09-01), Sarka
patent: 3758350 (1973-09-01), Weglin
patent: 3891437 (1975-06-01), Sarka
patent: 3895947 (1975-07-01), Sarka
patent: 3905817 (1975-09-01), Bakewell
patent: 4053348 (1977-10-01), Weglin

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