PROCESS AND APPARATUS FOR THE MANUFACTURE OF A COOKING VESSEL BY ROLL FORMING - Patent 0821626

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EP 0 821 626 A1

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(43)	Date of publication:
	04.02.1998 Bulletin 1998/06

(21)	Application number: 96910981.0

(22)	Date of filing: 19.04.1996

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International Patent Classification (IPC):

A47J 36/ 02^{( . )}
B21D 22/ 16^{( . )}
B21K 23/ 04^{( . )}

B21D 22/ 14^{( . )}
B21J 9/ 02^{( . )}
B21H 1/ 02^{( . )}

(86)	International application number:
	PCT/FI1996/000213

(87)	International publication number:
	WO 1996/033030 (24.10.1996 Gazette 1996/47)

(84)	Designated Contracting States:
	AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE
	Designated Extension States:
	LT LV

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Priority:

20.04.1995 FI 19950001882

(71)	Applicants:
	Rondex Oy Ltd. 00560 Helsinki (FI) Konetuote Piispanen Oy 58850 Lappeenranta (FI) VALTION TEKNILLINEN TUTKIMUSKESKUS 02150 Espoo 15 (FI)

(72)	Inventors:
	PIISPANEN, Ari FIN-53150 Lappeenranta (FI) SAVINAINEN, Timo, Uolevi FIN-53830 Lappeenranta (FI) VARIS, Juha, Pekka FIN-53900 Lappeenranta (FI) KUJANPÄÄ, Veli, Pekka FIN-53850 Lappeenranta (FI) KÄSSI, Timo FIN-12540 Launonen (FI)

(74)	Representative: Helino, Timo Kalervo, et al
	Papula Rein Lahtela Oy, P.O. Box 981 00101 Helsinki 00101 Helsinki (FI)

(54)	PROCESS AND APPARATUS FOR THE MANUFACTURE OF A COOKING VESSEL BY ROLL FORMING