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| SECTION B– PERFORMING OPERATIONS; TRANSPORTING |
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| B 41 | PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS (reproduction or duplication of pictures or patterns by scanning and converting into electrical signals H 04 N) |
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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) |
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1/ | 00 | Preparing or treating stereotype matrices |
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1/ | 02 | . | using brushes |
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1/ | 04 | . | using cylinders or rollers |
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1/ | 06 | . | using presses, e.g. toggle or like lever-and-link type presses |
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1/ | 08 | . | . | using hydraulic presses |
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1/ | 10 | . | Performing secondary operations on matrices |
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1/ | 12 | . | . | Humidifying or moistening |
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1/ | 14 | . | . | Drying |
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| Producing printing surfaces |
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3/ | 00 | Casting stereotype plates; Machines, moulds, or devices therefor |
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3/ | 02 | . | Horizontal moulds for casting flat plates |
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3/ | 04 | . | Moulds, e.g. horizontal, for casting curved, e.g. semi-cylindrical, plates |
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3/ | 06 | . | . | Vertical moulds |
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3/ | 08 | . | Moulds, e.g. horizontal, for casting tubular, i.e. cylindrical, plates |
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3/ | 10 | . | . | Vertical moulds |
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3/ | 12 | . | Multiple-mould stereotype casting machines |
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3/ | 14 | . | Details |
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3/ | 16 | . | . | Matrix clamps |
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3/ | 18 | . | . | Devices for closing or opening moulds |
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3/ | 20 | . | . | Melting pots |
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3/ | 22 | . | . | . | with pumps for conveying the molten metal into the casting chambers or boxes |
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3/ | 24 | . | . | . | with control valves |
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3/ | 26 | . | . | . | with devices for stirring the molten metal |
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3/ | 28 | . | . | Devices for cooling the moulds |
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5/ | 00 | Working, treating, or handling stereotype plates |
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5/ | 02 | . | by bending |
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5/ | 04 | . | of flat plates |
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5/ | 06 | . | of curved plates |
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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) |
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7/ | 02 | . | by impression |
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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) |
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