METHOD AND APPARATUS FOR PRODUCING HELICALLY-WOUND LOCK-SEAM TUBING WITH REDUCED LUBRICATION - Patent 0885071

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EP 0 885 071 A1

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(43)	Date of publication:
	23.12.1998 Bulletin 1998/52

(21)	Application number: 96922317.0

(22)	Date of filing: 17.06.1996

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International Patent Classification (IPC):

B21C 37/ 12^{( . )}

(86)	International application number:
	PCT/SE1996/000786

(87)	International publication number:
	WO 1997/002102 (23.01.1997 Gazette 1997/05)

(84)	Designated Contracting States:
	AT BE CH DE DK ES FI FR GB IT LI NL SE
	Designated Extension States:
	LV

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Priority:

30.06.1995 US 19950497018
30.06.1995 SE 19950000236

(71)	Applicant: LINDAB AKTIEBOLAG
	269 82 Bastad (SE)

(72)	Inventors:
	PETTERSSON, Conny S-312 97 Laholm (SE) NIKLASSON, Donald S-269 37 Bastad (SE)

(74)	Representative: Rostovanyi, Peter, et al
	AWAPATENT AB, Box 5117 200 71 Malmö 200 71 Malmö (SE)

(54)	METHOD AND APPARATUS FOR PRODUCING HELICALLY-WOUND LOCK-SEAM TUBING WITH REDUCED LUBRICATION