EP 0652992 B2 20001102 - PRESS OF PAPER MACHINE FOR THIN PAPERS
Title (en)
PRESS OF PAPER MACHINE FOR THIN PAPERS
Title (de)
PRESSE EINER PAPIERMASCHINE FÜR DÜNNE PAPIERE
Title (fr)
PRESSE DE MACHINE A FABRIQUER DU PAPIER POUR PAPIERS FINS
Publication
Application
Priority
- DE 4318036 A 19930529
- DE 4321402 A 19930626
- EP 9401730 W 19940527
Abstract (en)
[origin: US5670023A] PCT No. PCT/EP94/01730 Sec. 371 Date Jan. 30, 1995 Sec. 102(e) Date Jan. 30, 1995 PCT Filed May 27, 1994 PCT Pub. No. WO94/28240 PCT Pub. Date Dec. 8, 1994The press section of a paper machine for thin papers has the following characteristics: a pressing gap is formed by a rotary, smooth surface (1) in contact with the paper and by a felted pressing roll (3); the smooth surface (1) transfers the paper web downstream of the pressing gap to a heatable roll (4) without free pulling of the paper web. The invention is characterized in that the smooth surface (1) is the outer surface of a tubular roll with dimensionally stiff roll sleeve.
IPC 1-7
IPC 8 full level
CPC (source: EP US)
D21F 3/0281 (2013.01 - EP US); D21F 3/04 (2013.01 - EP US); D21F 3/045 (2013.01 - EP US)
Citation (opposition)
Opponent :
- US 3627630 A 19711214 - GAGNON LAWRENCE F
- EP 0178943 A1 19860423 - DU PONT [US]
- DE 273783 C
- EP 0055206 A1 19820630 - BELOIT CORP [US]
- EP 0337973 A2 19891018 - VALMET PAPER MACHINERY INC [FI]
- US 4566946 A 19860128 - KOPONEN MARTTI [FI], et al
- Seminar Notes of the Technical Association of the Pulp and Paper Industry, 1981, Dr.E.A. Merriman
- Turbo Mill Brochure
- Ultra Rotor IIIA Brochure
- Twaron Pulp Production, 1987
Designated contracting state (EPC)
AT DE ES FR GB IT SE
DOCDB simple family (publication)
US 5670023 A 19970923; AT E156208 T1 19970815; BR 9405408 A 19990908; CA 2141292 A1 19941208; DE 59403546 D1 19970904; EP 0652992 A1 19950517; EP 0652992 B1 19970730; EP 0652992 B2 20001102; ES 2105720 T3 19971016; FI 950376 A0 19950127; FI 950376 A 19950127; JP H08502104 A 19960305; WO 9428240 A1 19941208
DOCDB simple family (application)
US 37465695 A 19950130; AT 94917672 T 19940527; BR 9405408 A 19940527; CA 2141292 A 19940527; DE 59403546 T 19940527; EP 9401730 W 19940527; EP 94917672 A 19940527; ES 94917672 T 19940527; FI 950376 A 19950127; JP 50023795 A 19940527