LEVEL REGULATING BOTTOM VALVE DEVICE FOR LIQUID RECEPTACLES

(19)

(11)

EP 0 137 021 A1

(12)

(43)	Date of publication:
	17.04.1985 Bulletin 1985/16

(21)	Application number: 84900902.0

(22)	Date of filing: 10.02.1984

(51)

International Patent Classification (IPC):

E03C 1/ 23^{( . )}

(86)	International application number:
	PCT/SE1984/000047

(87)	International publication number:
	WO 1984/003116 (16.08.1984 Gazette 1984/20)

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

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Priority:

11.02.1983 SE 19830000750

(71)	Applicant: FRÖJD, Erik Ingmar
	S-752 34 Uppsala (SE)

(72)	Inventor:
	FRÖJD, Erik Ingmar S-752 34 Uppsala (SE)

(74)	Representative: Widén, Björn, et al
	UPPSALA PATENTBYRA P.O. Box 9013 S-750 09 Uppsala S-750 09 Uppsala (SE)

(54)	LEVEL REGULATING BOTTOM VALVE DEVICE FOR LIQUID RECEPTACLES