A PAIR OF SEAL MEMBERS OF HARD MATERIAL HAVING A LOW FRICTION COEFFICIENT - Patent 0339083

(19)

(11)

EP 0 339 083 A1

(12)

(43)	Date of publication:
	02.11.1989 Bulletin 1989/44

(21)	Application number: 89900406.0

(22)	Date of filing: 13.10.1988

(51)

International Patent Classification (IPC):

F16K 3/ 314^{( . )}
F16J 15/ 34^{( . )}

F16J 15/ 10^{( . )}
F16K 25/ 00^{( . )}

(86)	International application number:
	PCT/US1988/003559

(87)	International publication number:
	WO 1989/004433 (18.05.1989 Gazette 1989/11)

(84)	Designated Contracting States:
	FR

(30)

Priority:

10.11.1987 IT 19870067954

(71)	Applicant: MASCO CORPORATION
	Taylor Michigan 48180 (US)

(72)	Inventor:
	KNAPP, Alfons D-7950 Biberach/Riss (DE)

(74)	Representative: Kohn, Philippe
	c/o CABINET LAVOIX 2, place d'Estienne d'Orves F-75441 Paris Cédex 09 F-75441 Paris Cédex 09 (FR)

(54)	A PAIR OF SEAL MEMBERS OF HARD MATERIAL HAVING A LOW FRICTION COEFFICIENT