METHOD AND INSTALLATION FOR HEAT TREATMENT, ESPECIALLY CASE-HARDENING - Patent 0198871

(19)

(11)

EP 0 198 871 A1

(12)

(43)	Date of publication:
	29.10.1986 Bulletin 1986/44

(21)	Application number: 85905124.0

(22)	Date of filing: 30.09.1985

(51)

International Patent Classification (IPC):

C21D 9/ 00^{( . )}

(86)	International application number:
	PCT/SE1985/000377

(87)	International publication number:
	WO 1986/002104 (10.04.1986 Gazette 1986/08)

(84)	Designated Contracting States:
	AT BE CH DE FR GB IT LI LU NL SE

(30)

Priority:

02.10.1984 SE 19840004926

(71)	Applicant: AB VOLVO
	S-405 08 Göteborg (SE)

(72)	Inventor:
	BARKMAN, Tomas Postlaooda 1052 S-640 45 Kvicksund (SE)

(74)	Representative: Hellbom, Lars Olof, et al
	H. Albihns Patentbyra AB, Box 3137 S-103 62 Stockholm S-103 62 Stockholm (SE)

(54)	METHOD AND INSTALLATION FOR HEAT TREATMENT, ESPECIALLY CASE-HARDENING