METHOD AND DEVICE AT JOINING OF INSULATED PIPES - Patent 0179122

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EP 0 179 122 A1

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(43)	Date of publication:
	30.04.1986 Bulletin 1986/18

(21)	Application number: 85902200.0

(22)	Date of filing: 17.04.1985

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International Patent Classification (IPC):

F16L 59/ 20^{( . )}

(86)	International application number:
	PCT/SE1985/000177

(87)	International publication number:
	WO 1985/004942 (07.11.1985 Gazette 1985/24)

(84)	Designated Contracting States:
	AT DE FR GB IT NL SE

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Priority:

18.04.1984 SE 19840002186

(71)	Applicants:
	ERICSSON, Hakan S-902 56 Umea (SE) OLSSON, Jan-Erik S-902 56 Umea (SE)

(72)	Inventors:
	ERICSSON, Hakan S-902 56 Umea (SE) OLSSON, Jan-Erik S-902 56 Umea (SE)

(74)	Representative: Onn, Thorsten, et al
	AB Stockholms Patentbyra Zacco & Bruhn P.O. Box 23101 S-104 35 Stockholm S-104 35 Stockholm (SE)

(54)	METHOD AND DEVICE AT JOINING OF INSULATED PIPES