THREADED COUPLING, MALE AND FEMALE EXTENSION MEMBERS AS WELL AS A METHOD OF MAINTAINING A THREADED COUPLING

(19)

(11)

EP 0 824 627 A1

(12)

(43)	Date of publication:
	25.02.1998 Bulletin 1998/09

(21)	Application number: 95922807.0

(22)	Date of filing: 04.05.1995

(51)

International Patent Classification (IPC):

(86)	International application number:
	PCT/SE1995/000485

(87)	International publication number:
	WO 1996/035038 (07.11.1996 Gazette 1996/49)

(84)	Designated Contracting States:
	DE ES FR GB IE SE

(71)	Applicant: SANDVIK AKTIEBOLAG
	811 81 Sandviken (SE)

(72)	Inventor:
	LILJEBRAND, Per-Olof S-811 52 Sandviken (SE)

(54)	THREADED COUPLING, MALE AND FEMALE EXTENSION MEMBERS AS WELL AS A METHOD OF MAINTAINING A THREADED COUPLING