(19)
(11) EP 0 557 317 A1

(12)

(43) Date of publication:
01.09.1993 Bulletin 1993/35

(21) Application number: 91918762.0

(22) Date of filing: 04.11.1991
(51) International Patent Classification (IPC): 
G01B 17/ 02( . )
G01N 29/ 07( . )
G01S 15/ 88( . )
G01N 29/ 04( . )
G01N 33/ 34( . )
(86) International application number:
PCT/FI1991/000334
(87) International publication number:
WO 1992/008995 (29.05.1992 Gazette 1992/12)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU NL SE

(30) Priority: 13.11.1990 FI 19900005616

(71) Applicant: TAMFELT OY AB
SF-33100 Tampere (FI)

(72) Inventors:
  • KAIPILA, Jukka
    SF-33210 Tampere (FI)
  • VAAJANEN, Timo
    SF-33500 Tampere (FI)
  • VIRMO, Jarmo
    SF-33560 Tampere (FI)

(74) Representative: Cheyne, John Robert Alexander Mackenzie 
HASELTINE LAKE & CO. Hazlitt House 28, Southampton Buildings Chancery Lane
London WC2A 1AT
London WC2A 1AT (GB)

   


(54) A METHOD OF MEASURING THE FORMING PROCESS OF A FIBRE WEB WITHIN THE WEB FORMING SECTION OF A PAPER MACHINE