INTERNAL PIPE REPAIR SLEEVE AND LINER - Patent 0441812

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EP 0 441 812 A1

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(43)	Date of publication:
	21.08.1991 Bulletin 1991/34

(21)	Application number: 89911819.0

(22)	Date of filing: 27.10.1989

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International Patent Classification (IPC):

E03F 7/ 00^{( . )}
E21D 11/ 00^{( . )}
F16L 55/ 163^{( . )}

B29C 63/ 30^{( . )}
F16L 55/ 16^{( . )}
F16L 55/ 18^{( . )}

(86)	International application number:
	PCT/FI1989/000199

(87)	International publication number:
	WO 1990/005267 (17.05.1990 Gazette 1990/11)

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

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Priority:

31.10.1988 US 19880264376

(71)	Applicants:
	LAHTI, Heikki CH-2015 Areuse (CH) Maimets, Lembit Toronto Ontario, M4J 3A3 (CA)

(72)	Inventor:
	MEADUS, Warwick Mississauga, Ontario L5L 2L9 (CA)

(74)	Representative: Ede, Eric, et al
	Fitzpatricks, 4 West Regent Street Glasgow G2 1RS, Scotland Glasgow G2 1RS, Scotland (GB)

(54)	INTERNAL PIPE REPAIR SLEEVE AND LINER