STRESS REGULATOR FOR PULP GRINDING APPARATUS AND METHOD - Patent 0427764

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EP 0 427 764 A1

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(43)	Date of publication:
	22.05.1991 Bulletin 1991/21

(21)	Application number: 89908891.0

(22)	Date of filing: 07.07.1989

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International Patent Classification (IPC):

B02C 7/ 14^{( . )}
D21D 1/ 30^{( . )}

D21B 1/ 14^{( . )}

(86)	International application number:
	PCT/SE1989/000396

(87)	International publication number:
	WO 1990/001371 (22.02.1990 Gazette 1990/05)

(84)	Designated Contracting States:
	AT FR SE

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Priority:

04.08.1988 US 19880228526

(71)	Applicant: SUNDS DEFIBRATOR INDUSTRIES AKTIEBOLAG
	S-851 94 Sundsvall (SE)

(72)	Inventor:
	REINHALL, Rolf, B. Bellevue, WA 98008 (US)

(74)	Representative: Sundqvist, Hans, et al
	Sunds Defibrator Industries Aktiebolag Patents Dept. Strandbergsgatan 61 S-112 51 Stockholm S-112 51 Stockholm (SE)

(54)	STRESS REGULATOR FOR PULP GRINDING APPARATUS AND METHOD