(0)D21J:0/0:
IPC6
SECTION D - TEXTILES; PAPER
FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS...
D21J
1/1
D 21 J
FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
(manufacture of articles by dry processes
B 27 N
)
1
/
00
Fibreboard
(preparation of pulp compositions or addition of chemical agents
D 21 B
,
D 21 C
,
D 21 H
; formation of the wet web
D 21 F
)
1
/
02
Cutting, e.g. using wet saws
1
/
04
Pressing
1
/
06
Drying
1
/
08
Impregnated or coated fibreboard
1
/
10
After-treatment
1
/
12
Hardening
1
/
14
Conditioning
1
/
16
Special fibreboard
1
/
18
Hardboard
1
/
20
Insulating board
3
/
00
Manufacture of articles by pressing wet fibre pulp, or papier-mβchι, between moulds
3
/
02
of rings
3
/
04
of tubes
3
/
06
of stoppers
3
/
08
of bobbins
3
/
10
of hollow bodies
3
/
12
of sheets; of diaphragms
5
/
00
Manufacture of hollow articles by transferring sheets, produced from fibres suspensions or papier-mβchι by suction on wire-net moulds, to couch moulds
7
/
00
Manufacture of hollow articles from fibre suspensions or papier-mβchι by deposition of fibres in or on a wire-net mould