(19)

(11)

EP 0 089 969 A1

(12)

(43) Date of publication: 05.10.1983 Bulletin 1983/40 (21) Application number: 82902738.0 (22) Date of filing: 22.09.1982

(51) International Patent Classification (IPC):  A61C 9/ 00( . ) B43K 5/ 00( . ) F16B 19/ 00( . ) B23B 31/ 00( . ) F16B 13/ 02( . ) F16B 35/ 00( . ) (86) International application number: PCT/GB1982/000276 (87) International publication number: WO 1983/001281 (14.04.1983 Gazette 1983/09)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 30.09.1981 GB 19810029534 27.01.1982 GB 19820002354 (71) Applicant: OLLIS, William John Bernard Buckinghamshire HP17 8AH (GB)	(72) Inventor: OLLIS, William John Bernard Buckinghamshire HP17 8AH (GB)