Apparatus for matching register marks and punching U-holes for p

Details Apparatus for matching register marks and punching U-holes for p Apparatus for matching register marks and punching U-holes for p

1988-02-08

1989-05-30

Eickholt, Eugene H.

Printing

Printing members

Blanks and processes

101DIG36, B41C 100

Patent

active

048339857

ABSTRACT:
The present invention relates to an apparatus for matching register marks and punching U-holes for a press plate which is capable of executing regular print by single register mark matching, and is composed of a press plate loading table for loading a press plate material, a pin hole positioning mechanism for supporting the lower edge of said press plate material, a press plate material centering mechanism for centering said press plate material in the horizontal direction, a register mark location reading device for reading register marks on said press plate material, a press plate material horizontal and vertical feed mechanism for adjusting said press plate material in the horizontal and vertical directions, a press plate locking device for vacuum contacting and releasing said press plate material, an automatic U-hole punching mechanism for punching a pair or two pairs of U-holes of predetermined pitches on said plate material, and an operation device for controlling the operation of each mechanism.

REFERENCES:
patent: 2986598 (1961-05-01), Hell
patent: 3062140 (1962-11-01), Bishop
patent: 3160096 (1964-12-01), Norton
patent: 3288063 (1966-11-01), Bungay, Jr.
patent: 4380956 (1983-04-01), Elworthy
patent: 4640612 (1987-02-01), Watanabe et al.

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