METHOD OF INSTALLING A VENTILATION SYSTEM AND DEVICE THEREFOR - Patent 0977925

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EP 0 977 925 A1

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(43)	Date of publication:
	09.02.2000 Bulletin 2000/06

(21)	Application number: 98919694.4

(22)	Date of filing: 15.04.1998

(51)	International Patent Classification (IPC)⁷: E04B 1/00, E04B 5/48, F24F 7/007

(86)	International application number:
	PCT/SE9800/683

(87)	International publication number:
	WO 9848/122 (29.10.1998 Gazette 1998/43)

(84)	Designated Contracting States:
	DE DK FI GB NL

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Priority:

23.04.1997 SE 9701542

(71)	Applicant: NIVELL SYSTEM AKTIEBOLAG
	S-542 35 Mariestad (SE)

(72)	Inventor:
	JOHANSSON, Lennart S-542 31 Mariestad (SE)

(74)	Representative: Lundquist, Lars-Olof et al
	L-O Lundquist Patentbyra AB,Box 80 651 03 Karlstad 651 03 Karlstad (SE)

(54)	METHOD OF INSTALLING A VENTILATION SYSTEM AND DEVICE THEREFOR