Process for underlaying a flat-bed steel rule die

Details Process for underlaying a flat-bed steel rule die Process for underlaying a flat-bed steel rule die

1980-03-24

1982-04-27

Parker, Roscoe V.

Metal tools and implements, making

Blank or process

Die

493372, B21K 520

Patent

active

043264344

ABSTRACT:
A process for underlaying flat-bed steel rule dies prior to producing sheet-like geometrical cut blanks, preferably from multi-blank sheets, in which varying tolerances, in the punching and cutting direction, of the steel rule cutters held in a rigid plate are compensated by a sheet, corresponding to the area of the sheet being cut, placed on the back of the steel rule cutter plate and consisting of a flowable hardenable plastic, the upper and lower platen being moved together so as to close the die and the sheet of plastic, bearing the relief formed thereon, then being solidified by an after-treatment.

REFERENCES:
patent: 348548 (1886-09-01), Crump
patent: 2993421 (1961-07-01), Phillips
patent: 3170358 (1965-02-01), Martin
patent: 3302490 (1967-02-01), Bishop
BASF-Customers Technical Leaflet, Operating Instructions Nyloprint Counterforme-Makeready for Cutting and Creasing Dies, pp. 1-6.

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