Method and apparatus for marking and forming workpieces

Details Method and apparatus for marking and forming workpieces Method and apparatus for marking and forming workpieces

1986-02-24

1987-12-15

Crowder, Clifford D.

Printing

Embossing or penetrating

Special-article machines

101 9304, 101 32, 101 29, B44B 500

Patent

active

047124733

ABSTRACT:
A forming station for can end closures which includes a pair of opposed die structures. Apparatus for forming code markings in the can ends as they are processed includes a plurality of arrays of incising pins retained in matrix configurations in the face of one of the opposed die pieces. The ends of predetermined pins in each array are supported above the die surface to form recognizable patterns in the can ends. The indicia being formed can be quickly changed by substituting a new pin support surface configuration.

REFERENCES:
patent: 1026790 (1912-05-01), Douglass
patent: 2533528 (1950-12-01), Somersall
patent: 2596721 (1952-05-01), Pentecost et al.
patent: 4392493 (1983-07-01), Niemeijer
patent: 4473008 (1984-09-01), Heyman
Crabtree, et al.; "Serial Number Stamp Machine"; IBM Technical Disclosure Bulletin; vol. 11, No. 12, p. 1752; May 1969.

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