Process for the production of lettering or symbol templates

Details Process for the production of lettering or symbol templates Process for the production of lettering or symbol templates

1976-07-09

1978-02-21

Hoag, Willard E.

Metal working

Method of mechanical manufacture

Assembling or joining

29515, 264156, 264161, 264249, 264266, 264322, 264331, 264339, B29C 1702, B29C 1710, B29C 2700

Patent

active

040744140

ABSTRACT:
A process for the production of lettering or symbol templates by production of symbol cut-outs in a template sheet consisting of thermoplastic plastic, characterized by forcing the cut-out portions of the symbols in a shaping or forging step, and subsequently cutting off the protruding forced-out portions.

REFERENCES:
patent: 1999796 (1935-04-01), Zinzer
patent: 2387034 (1945-10-01), Milano
patent: 2388297 (1945-11-01), Slaughter
patent: 3459350 (1969-08-01), Wahn
patent: 3513951 (1970-05-01), Leong et al.

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