GB545865A - Improvements in or relating to printing plates or printing devices for addressing and like machines - Google Patents

Improvements in or relating to printing plates or printing devices for addressing and like machines

Info

Publication number
GB545865A
GB545865A GB11231/41A GB1123141A GB545865A GB 545865 A GB545865 A GB 545865A GB 11231/41 A GB11231/41 A GB 11231/41A GB 1123141 A GB1123141 A GB 1123141A GB 545865 A GB545865 A GB 545865A
Authority
GB
United Kingdom
Prior art keywords
plate
printing
ounces
class
addressing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB11231/41A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AB Dick Co
Original Assignee
Multigraphics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Multigraphics Inc filed Critical Multigraphics Inc
Publication of GB545865A publication Critical patent/GB545865A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N3/00—Preparing for use and conserving printing surfaces
    • B41N3/03—Chemical or electrical pretreatment

Landscapes

  • Printing Plates And Materials Therefor (AREA)
  • ing And Chemical Polishing (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)

Abstract

545,865. Printing surfaces. ADDRESSOGRAPHMULTIGRAPH CORPORATION. Sept. 2, 1941, No. 11231. Convention date, Jan. 17, Drawings to Specification. [Class 100 (ii)] A sheet metal printing plate, e.g. an address plate, of the kind having characters embossed thereon so as to be in unreversed intaglio type on the back of the plate, the plate, before embossing, is provided with a matt surface on one or both surfaces so that in the embossing operation, the characters are burnished and are thus more readily readable against the matt background. The matt surface may be produced by pressure in a rolling mill, sand blasting, wire brushing, or etching, e.g. in the case of zinc with a solution of 1 ounce of potassium bichromate, 4 ounces of nitric acid of 36<SP>0</SP> Be and 4 ounces of sulphuric acid of 66‹ BÚ to 1 gallon of the solution. Specifications 26259/10, 17240/12, 17252/12, 209.714, 313,361, 339,895, [all in Class 100 (ii)], 345,957, and 421,234, are referred to.
GB11231/41A 1941-01-17 1941-09-02 Improvements in or relating to printing plates or printing devices for addressing and like machines Expired GB545865A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US545865XA 1941-01-17 1941-01-17

Publications (1)

Publication Number Publication Date
GB545865A true GB545865A (en) 1942-06-16

Family

ID=21992122

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11231/41A Expired GB545865A (en) 1941-01-17 1941-09-02 Improvements in or relating to printing plates or printing devices for addressing and like machines

Country Status (1)

Country Link
GB (1) GB545865A (en)

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