MECHANICAL DEVICES AND STRUCTURES

(19)

(11)

EP 0 449 870 A1

(12)

(43)	Date of publication:
	09.10.1991 Bulletin 1991/41

(21)	Application number: 90900257.0

(22)	Date of filing: 20.12.1989

(51)

International Patent Classification (IPC):

B23Q 1/ 26^{( . )}
B23Q 3/ 08^{( . )}
B32B 37/ 00^{( . )}
F16C 33/ 20^{( . )}
B29L 31/ 00^{( . )}

B23Q 1/ 01^{( . )}
B29C 39/ 10^{( . )}
F16B 1/ 00^{( . )}
F16F 15/ 02^{( . )}

(86)	International application number:
	PCT/GB1989/001513

(87)	International publication number:
	WO 1990/007065 (28.06.1990 Gazette 1990/15)

(84)	Designated Contracting States:
	CH DE ES FR GB IT LI NL SE

(30)

Priority:

22.12.1988 GB 19880029930

(71)	Applicant: NATIONAL RESEARCH DEVELOPMENT CORPORATION
	London SE1 6BU (GB)

(72)	Inventor:
	LINDSEY, Kevin Middlesex TW16 6PD (GB)

(74)	Representative: Gaskin, John Shield
	Patents Department British Technology Group Ltd 101 Newington Causeway London SE1 6BU London SE1 6BU (GB)

(54)	MECHANICAL DEVICES AND STRUCTURES