1. CPC Sections
  2. CPC Section B
  3. CPC Class B41
  4. CPC Subclass B41D
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Version: 2023.02
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CPC
COOPERATIVE PATENT CLASSIFICATION
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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 B23H 9/06; 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 B44B 3/00, B44B 5/00; chemical etching of metal C23F 1/00; electrolytic etching C25F 3/00; photomechanical reprodcution G03F) [2018-08]
WARNING

  • 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.
B41D 1/00
Preparing or treating stereotype matrices [2017-08]
B41D 1/02
.
using brushes [2013-01]
B41D 1/04
.
using cylinders or rollers [2013-01]
B41D 1/06
.
using presses, e.g. toggle or like lever-and-link type presses [2013-01]
B41D 1/08
. .
using hydraulic presses [2013-01]
B41D 1/10
.
Performing secondary operations on matrices [2017-08]
B41D 1/12
. .
Humidifying or moistening [2013-01]
B41D 1/14
. .
Drying [2013-01]
Producing printing surfaces [2013-01]
B41D 3/00
Casting stereotype plates; Machines, moulds, or devices therefor [2017-08]
B41D 3/02
.
Horizontal moulds for casting flat plates [2013-01]
B41D 3/04
.
Moulds, e.g. horizontal, for casting curved, e.g. semi-cylindrical, plates [2013-01]
B41D 3/06
. .
Vertical moulds [2013-01]
B41D 3/08
.
Moulds, e.g. horizontal, for casting tubular, i.e. cylindrical, plates [2013-01]
B41D 3/10
. .
Vertical moulds [2017-08]
B41D 3/12
.
Multiple mould stereotype casting machines [2013-01]
B41D 3/14
.
Details [2013-01]
B41D 3/16
. .
Matrix clamps [2013-01]
B41D 3/18
. .
Devices for closing or opening moulds [2013-01]
B41D 3/20
. .
Melting pots [2013-01]
B41D 3/22
. . .
with pumps for conveying the molten metal into the casting chambers or boxes [2013-01]
B41D 3/24
. . .
with control valves [2013-01]
B41D 3/26
. . .
with devices for stirring the molten metal [2013-01]
B41D 3/28
. .
Devices for cooling the moulds [2013-01]
B41D 5/00
Working, treating, or handling stereotype plates [2013-01]
B41D 5/02
.
by bending [2013-01]
B41D 5/04
.
of flat plates [2013-01]
B41D 5/06
.
of curved plates [2013-01]
B41D 7/00
Shaping elastic or deformable material, e.g. rubber, plastics material, to form printing surfaces (making rubber printing blocks B41C 3/04) [2013-01]
B41D 7/02
.
by impression [2013-01]
B41D 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 B43L 13/10) [2013-01]
B41D 99/00
Subject matter not provided for in other groups of this subclass [2013-01]