Method in a reel-up in a grade change situation

(19)

(11)

EP 0 964 099 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	26.07.2000 Bulletin 2000/30

(43)	Date of publication A2:
	15.12.1999 Bulletin 1999/50

(21)	Application number: 99660097.9

(22)	Date of filing: 02.06.1999

(51)	International Patent Classification (IPC)⁷: D21F 7/04, D21G 9/00

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

09.06.1998 FI 981310

(71)	Applicant: VALMET CORPORATION
	00620 Helsinki (FI)

(72)	Inventors:
	Aalto, Esa 05830 Hyvinkää (FI) Rautakorpi, Timo 02660 Espoo (FI) Tiitta, Jari 04500 Kellokoski (FI)

(74)	Representative: Hakola, Unto Tapani et al
	Tampereen Patenttitoimisto Oy, Hermiankatu 6 33720 Tampere 33720 Tampere (FI)

(54)	Method in a reel-up in a grade change situation

(57) In a grade change situation in a continuously operated process of reeling a paper web, the grade of the paper web is changed in the paper manufacturing process preceding the reel-up by changes in the operations performed in this process, and the paper web of the new grade is introduced around a reel spool. The continuous web entering the reel-up is guided to form broke past the reeling process directly into a pulper located in connection with the reel-up at the same time when the grade of the paper web is being changed.

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