Device for stripping blanks from a die cut sheet of blanks

Details Device for stripping blanks from a die cut sheet of blanks Device for stripping blanks from a die cut sheet of blanks

1978-05-24

1979-11-27

Yost, Frank T.

Severing by tearing or breaking

Breaking or tearing apparatus

Plural breakers

83103, 83696, 93 36A, 225103, B26F 302

Patent

active

041756860

ABSTRACT:
In a device for stripping blanks from a die cut sheet of blanks including a set of punches mounted on a movable upper punch frame and a matrix having openings corresponding to the outlines of both the punches and blank on a lower frame characterized by each of the punches comprising a plurality of punch members and means extending between adjacent punch members to close the outline of the punch with the punch members being adjustably mounted on a first set of bars which are slidably mounted on the punch frame and the matrix being formed by two pairs of parallel extending bars or members which are slidably mounted on the frame of the matrix to vary the size of the openings therein.

REFERENCES:
patent: 1787815 (1931-01-01), Ditchfield
patent: 2845011 (1958-07-01), Schilling
patent: 3055275 (1962-09-01), Schroter
patent: 3249272 (1966-05-01), Scarpa

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