IPC-Stelle: D21F 1/50 [Version 2006.01]

SymbolTypTitel
DSKSECTION D — TEXTILES; PAPER
D21USKPAPER
D21KLPAPER-MAKING; PRODUCTION OF CELLULOSE
D21FUKLPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
D21F 1/00HGRWet end of machines for making continuous webs of paper
D21F 1/02UGR1
.Head boxes of Fourdrinier machines
D21F 1/04UGR1
.Head boxes of cylinder machines
D21F 1/06UGR1
.Regulating pulp flow
D21F 1/08UGR1
.Regulating consistency
D21F 1/10UGR1
.Wire-cloths (production of wire-cloths B21F)
D21F 1/12UGR2
. .Seams thereof
D21F 1/14UGR3
. . .welded
D21F 1/16UGR3
. . .sewn
D21F 1/18UGR1
.Shaking-apparatus for wire-cloths and associated parts
D21F 1/20UGR2
. .in Fourdrinier machines
D21F 1/22UGR2
. .in cylinder machines
D21F 1/24UGR1
.Tilting, raising, or lowering mechanisms for wire-cloths
D21F 1/26UGR2
. .in Fourdrinier machines
D21F 1/28UGR2
. .in cylinder machines
D21F 1/30UGR1
.Protecting wire-cloths from mechanical damage
D21F 1/32UGR1
.Washing wire-cloths or felts
D21F 1/34UGR1
.Construction or arrangement of spraying pipes
D21F 1/36UGR1
.Guiding mechanisms (suction rolls D21F 3/10)
D21F 1/38UGR2
. .Pads
D21F 1/40UGR2
. .Rolls
D21F 1/42UGR2
. .Jets
D21F 1/44UGR1
.Watermarking devices
D21F 1/46UGR2
. .Dandy rolls
D21F 1/48UGR1
.Suction apparatus (suction rolls D21F 3/10)
D21F 1/50UGR2
. .Suction boxes with rolls
D21F 1/52UGR2
. .Suction boxes without rolls
D21F 1/54UGR1
.Skimming devices, e.g. froth ledges
D21F 1/56UGR1
.Deckle frame arrangements
D21F 1/58UGR1
.Deckle straps
D21F 1/60UGR1
.Cylinder moulds
D21F 1/62UGR1
.Sand traps
D21F 1/64UGR1
.Magnetic separators
D21F 1/66UGR1
.Pulp catching, de-watering, or recovering; Re-use of pulp-water
D21F 1/68UGR2
. .using hydrocyclones (hydrocyclones B04C)
D21F 1/70UGR2
. .by flotation
D21F 1/72UGR2
. .using funnels
D21F 1/74UGR2
. .using cylinders
D21F 1/76UGR3
. . .with suction
D21F 1/78UGR3
. . .with pressure
D21F 1/80UGR2
. .using endless screening belts
D21F 1/82UGR2
. .adding fibre agglomeration compositions
D21F 2/00HGRTransferring webs from wet ends to press sections
D21F 3/00HGRPress section of machines for making continuous webs of paper
D21F 3/02UGR1
.Wet presses
D21F 3/04UGR2
. .Arrangements thereof
D21F 3/06UGR2
. .Means for regulating the pressure
D21F 3/08UGR2
. .Pressure rolls
D21F 3/10UGR2
. .Suction rolls, e.g. couch rolls
D21F 5/00HGRDryer section of machines for making continuous webs of paper
D21F 5/02UGR1
.Drying on cylinders
D21F 5/04UGR2
. .on two or more drying cylinders
D21F 5/06UGR2
. .Regulating temperature
D21F 5/08UGR2
. .Arrangement of steam points in the cylinders
D21F 5/10UGR2
. .Removing condensate from the interior of the cylinders
D21F 5/12UGR1
.Festoon drying
D21F 5/14UGR1
.Drying webs by applying vacuum
D21F 5/16UGR1
.Drying webs by electrical heating
D21F 5/18UGR1
.Drying webs by hot air
D21F 5/20UGR1
.Waste heat recovery
D21F 7/00HGROther details of machines for making continuous webs of paper
D21F 7/02UGR1
.Mechanical driving arrangements
D21F 7/04UGR1
.Paper-break control devices
D21F 7/06UGR1
.Indicating or regulating the thickness of the layer; Signal devices
D21F 7/08UGR1
.Felts
D21F 7/10UGR2
. .Seams thereof
D21F 7/12UGR2
. .Drying
D21F 9/00HGRComplete machines for making continuous webs of paper
D21F 9/02UGR1
.of the Fourdrinier type
D21F 9/04UGR1
.of the cylinder type
D21F 11/00HGRProcesses for making continuous lengths of paper, or of cardboard, or of wet web for fibreboard production, on paper-making machines
D21F 11/02UGR1
.of the Fourdrinier type
D21F 11/04UGR2
. .paper or board consisting of two or more layers
D21F 11/06UGR1
.of the cylinder type
D21F 11/08UGR2
. .paper or board consisting of two or more layers
D21F 11/10UGR1
.Making imitation mould-made paper
D21F 11/12UGR1
.Making corrugated paper or board
D21F 11/14UGR1
.Making cellulose wadding, filter- or blotting paper
D21F 11/16UGR1
.Making paper strips for spinning or twisting
D21F 13/00HGRMaking discontinuous sheets of paper, pulpboard, or cardboard, or of wet web, for fibreboard production (making discontinuous sheets of board in moulds D21J; drying paper, pulpboard, or cardboard, in discontinuous-sheet form F26B)
D21F 13/02UGR1
.Making hand-made paper
D21F 13/04UGR1
.on cylinder board machines
D21F 13/06UGR2
. .Format rolls
D21F 13/08UGR3
. . .Automatic cut-off rolls
D21F 13/10UGR1
.using board presses
D21F 13/12UGR2
. .Platen presses