Title:
APPARATUS FOR ETCHING A PRINTING PLATE
United States Patent 3494815


Inventors:
Yoshimatsu, Tomiya
Application Number:
US3494815DA
Publication Date:
02/10/1970
Filing Date:
07/22/1966
Assignee:
Tomiya, Yoshimatsu
Primary Class:
Other Classes:
134/33, 134/85, 134/89, 134/153, 156/345.23, 216/91, 216/93, 216/100
International Classes:
B41C1/00; C23F1/08; (IPC1-7): C23F1/02; B41C1/00
View Patent Images:
US Patent References:
3327721Etching apparatus1967-06-27
3232814Etching apparatus for cylindrical printing plates1966-02-01
3121037Process and apparatus for preparing rotogravure plates1964-02-11
1267754N/A1918-05-28
1137339N/A1915-04-27
Foreign References:
GB883993A1961-12-06