(0)B41D:0/0:
IPC6
SECTION B - PERFORMING OPERATIONS; TRANSPORTING
APPARATUS FOR THE MECHANICAL REPRODUCTION OF PRINTING...
B41D
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B 41 D

 APPARATUS FOR THE MECHANICAL REPRODUCTION OF PRINTING SURFACES FOR STEREOTYPE PRINTING; SHAPING ELASTIC OR DEFORMABLE MATERIAL TO FORM PRINTING SURFACES (marking or engraving metal by the action of a high concentration of electric current B 23 H 9/06; type, machines, or accessories for making, setting, or distributing type B 41 B; processes for the manufacture or reproduction of printing surfaces B 41 C ; machines or apparatus for engraving in general, or for embossing B 44 B 3/00, B 44 B 5/00; chemical etching of metal C 23 F 1/00, electrolytic etching C 25 F 3/00; photomechanical reproduction G 03 F)

 

 

 
 

 1
/ 00 Preparing or treating stereotype matrices

1
/ 02 • using brushes  

1
/ 04 • using cylinders or rollers  

1
/ 06 • using presses, e.g. toggle or like lever-and-link type presses  

1
/ 08 • • using hydraulic presses  

1
/ 10 • Performing secondary operations on matrices  

1
/ 12 • • Humidifying or moistening  

1
/ 14 • • Drying  

Producing printing surfaces
 

 3
/ 00 Casting stereotype plates; Machines, moulds, or devices therefor

3
/ 02 • Horizontal moulds for casting flat plates  

3
/ 04 • Moulds, e.g. horizontal, for casting curved, e.g. semi-cylindrical, plates  

3
/ 06 • • Vertical moulds  

3
/ 08 • Moulds, e.g. horizontal, for casting tubular, i.e. cylindrical, plates  

3
/ 10 • • Vertical moulds  

3
/ 12 • Multiple-mould stereotype casting machines  

3
/ 14 • Details  

3
/ 16 • • Matrix clamps  

3
/ 18 • • Devices for closing or opening moulds  

3
/ 20 • • Melting pots  

3
/ 22 • • • with pumps for conveying the molten metal into the casting chambers or boxes  

3
/ 24 • • • with control valves  

3
/ 26 • • • with devices for stirring the molten metal  

3
/ 28 • • Devices for cooling the moulds  
 

 5
/ 00 Working, treating, or handling stereotype plates

5
/ 02 • by bending  

5
/ 04 • of flat plates  

5
/ 06 • of curved plates  
 

 7
/ 00 Shaping elastic or deformable material, e.g. rubber, plastics material, to form printing surfaces (making rubber printing blocks B 41 C 3/04)

7
/ 02 • by impression  

7
/ 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 B 43 L 13/10)