Pulp catching, de-watering, or recovering; Re-use of pulp-water
P:40
D21F 2/00
Transferring continuous webs from wet ends to press sections
P:50
D21F 3/00
Press section of machines for making continuous webs of paper
D21F 3/02
·
Wet presses
P:60
D21F 5/00
Dryer section of machines for making continuous webs of paper
P:70
D21F 7/00
Other details of machines for making continuous webs of paper
D21F 7/08
·
Felts
P:20
D21F 9/00
Complete machines for making continuous webs of paper
P:10
D21F 11/00
Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibreboard production, on paper-making machines
P:0
D21F 13/00
Methods or apparatus for making discontinuous sheets of paper, pulpboard, or cardboard, or of wet web, for fibreboard production (making discontinuous sheets of board in moulds Fulltext... Hierarchy... Expanded...D21J; drying paper, pulpboard, or cardboard, in discontinuous-sheet form Fulltext... Hierarchy... Expanded...F26B)