PLASTIC TUBE WITH SOLID CROSS-RIBS ON THE OUTER SURFACE, A MOULDING DEVICE THEREFOR; INSTALLATION COMPRISING SUCH A DEVICE AND A METHOD FOR MOULDING A PLASTIC TUBE - Patent 0363384

(19)

(11)

EP 0 363 384 A1

(12)

(43)	Date of publication:
	18.04.1990 Bulletin 1990/16

(21)	Application number: 88904276.0

(22)	Date of filing: 11.05.1988

(51)

International Patent Classification (IPC):

B29C 47/ 00^{( . )}
B29C 47/ 24^{( . )}
F16L 21/ 02^{( . )}

B29C 47/ 12^{( . )}
F16L 9/ 12^{( . )}
B29L 23/ 18^{( . )}

(86)	International application number:
	PCT/NL1988/000022

(87)	International publication number:
	WO 1988/008784 (17.11.1988 Gazette 1988/25)

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

(30)

Priority:

14.05.1987 NL 19870001164

(71)	Applicant: WAVIN B.V.
	NL-8031 EM Zwolle (NL)

(72)	Inventor:
	HANSEN, Finn, Thor DK-8600 Silkeborg (DK)

(74)	Representative: Barendregt, Frank, Drs., et al
	van Exter Polak & Charlouis B.V., P.O. Box 3241 NL-2280 GE Rijswijk NL-2280 GE Rijswijk (NL)

(54)	PLASTIC TUBE WITH SOLID CROSS-RIBS ON THE OUTER SURFACE, A MOULDING DEVICE THEREFOR; INSTALLATION COMPRISING SUCH A DEVICE AND A METHOD FOR MOULDING A PLASTIC TUBE