|  | B |
SECTION B — PERFORMING OPERATIONS

PRINTING

|  | B41 |
PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS

|  | 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 Fulltext... Hierarchy... Expanded...B23P; type, machines, or accessories for making, setting, or distributing type Fulltext... Hierarchy... Expanded...B41B; processes for the manufacture or reproduction of printing surfaces Fulltext... Hierarchy... Expanded...B41C; machines or apparatus for engraving in general, or for embossing Fulltext... Hierarchy... Expanded...B44B 3/00, Fulltext... Hierarchy... Expanded...B44B 5/00; etching metals by electro-chemical processes Fulltext... Hierarchy... Expanded...C23B; by other processes Fulltext... Hierarchy... Expanded...C23F 1/00 photomechanical reproduction Fulltext... Hierarchy... Expanded...G03F)

|  | B41D 1/00 |
Preparing or treating stereotype matrices

|  | B41D 1/02 |
· | using brushes

|  | B41D 1/04 |
· | using cylinders or rollers

|  | B41D 1/06 |
· | using presses, e.g. toggle or like lever-and-link type presses

|  | B41D 1/08 |
· · | using hydraulic presses

|  | B41D 1/10 |
· | Performing secondary operations on matrices

|  | B41D 1/12 |
· · | Humidifying or moistening

|  | B41D 1/14 |
· · | Drying

|  | B41D 3/00 - B41D 7/00 |
Producing printing surfaces

|  | B41D 3/00 |
Casting stereotype plates; Machines, moulds, or devices therefor

|  | B41D 3/02 |
· | Horizontal moulds for casting flat plates

|  | B41D 3/04 |
· | Moulds, e.g. horizontal, for casting curved, e.g. semi-cylindrical, plates

|  | B41D 3/06 |
· · | Vertical moulds

|  | B41D 3/08 |
· | Moulds, e.g. horizontal, for casting tubular, i.e. cylindrical, plates

|  | B41D 3/10 |
· · | Vertical moulds

|  | B41D 3/12 |
· | Multiple-mould stereotype casting machines

|  | B41D 3/14 |
· | Details

|  | B41D 3/16 |
· · | Matrix clamps

|  | B41D 3/18 |
· · | Devices for closing or opening moulds

|  | B41D 3/20 |
· · | Melting pots

|  | B41D 3/22 |
· · · | with pumps for conveying the molten metal into the casting chambers or boxes

|  | B41D 3/24 |
· · · | with control valves

|  | B41D 3/26 |
· · · | with devices for stirring the molten metal

|  | B41D 3/28 |
· · | Devices for cooling the moulds

|  | B41D 5/00 |
Working, treating, or handling stereotype plates

|  | B41D 5/02 |
· | by bending

|  | B41D 5/04 |
· | of flat plates

|  | B41D 5/06 |
· | of curved plates

|  | B41D 7/00 |
Shaping elastic or deformable material, e.g. rubber, plastics material, to form printing surfaces (making rubber printing blocks Fulltext... Hierarchy... Expanded...B41C 3/04)

|  | B41D 7/02 |
· | by impression

|  | 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 Fulltext... Hierarchy... Expanded...B43L 13/10)