B41D

APPARATUS FOR THE MECHANICAL REPRODUCTION OF PRINTING SURFACES FOR STEREOTYPE PRINTING

SHAPING ELASTIC OR DEFORMABLE MATERIAL TO FORM PRINTING SURFACES

engraving by spark erosion B23H;

marking or engraving metal by the action of a high concentration of electric current B23H9/06; type, machines or accessories for making, setting, or distributing type B41B; processes for the manufacture or reproduction of printing surfaces B41C; machines or apparatus for engraving in general, or for embossing B44B3/00, B44B5/00; chemical etching of metal C23F1/00; electrolytic etching C25F3/00; photomechanical reprodcution G03F

In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.

B41D1/00

Preparing or treating stereotype matrices

B41D1/02

using brushes

B41D1/04

using cylinders or rollers

B41D1/06

using presses, e.g. toggle or like lever-and-link type presses

B41D1/08

using hydraulic presses

B41D1/10

Performing secondary operations on matrices

B41D1/12

Humidifying or moistening

B41D1/14

Drying

B41D3/00

Producing printing surfaces

B41D3/00

Casting stereotype plates

Machines, moulds, or devices therefor

B41D3/02

Horizontal moulds for casting flat plates

B41D3/04

Moulds, e.g. horizontal, for casting curved, e.g. semi-cylindrical, plates

B41D3/06

Vertical moulds

B41D3/08

Moulds, e.g. horizontal, for casting tubular, i.e. cylindrical, plates

B41D3/10

Vertical moulds

B41D3/12

Multiple mould stereotype casting machines

B41D3/14

Details

B41D3/16

Matrix clamps

B41D3/18

Devices for closing or opening moulds

B41D3/20

Melting pots

B41D3/22

with pumps for conveying the molten metal into the casting chambers or boxes

B41D3/24

with control valves

B41D3/26

with devices for stirring the molten metal

B41D3/28

Devices for cooling the moulds

B41D5/00

Working, treating, or handling stereotype plates

B41D5/02

by bending

B41D5/04

of flat plates

B41D5/06

of curved plates

B41D7/00

Shaping elastic or deformable material, e.g. rubber, plastics material, to form printing surfaces making rubber printing blocks B41C3/04

B41D7/02

by impression

B41D7/04

Forming printing surfaces by covering printing forms with a thin elastic skin, e.g. rubber foil, and retaining the latter thereon

Obtaining reduced or enlarged printing surfaces by using thin elastic transfer foils pantographic instruments for copying, reducing, or enlarging B43L13/10

B41D99/00

Subject matter not provided for in other groups of this subclass