(19)

(11)

EP 0 228 438 A1

(12)

(43) Date of publication: 15.07.1987 Bulletin 1987/29 (21) Application number: 86904249.0 (22) Date of filing: 23.06.1986

(51) International Patent Classification (IPC):  B23Q 1/ 48( . ) B27C 1/ 02( . ) (86) International application number: PCT/GB1986/000364 (87) International publication number: WO 1987/000114 (15.01.1987 Gazette 1987/01)

(84) Designated Contracting States: AT BE CH DE FR IT LI NL SE (30) Priority: 26.06.1985 GB 19850016101 26.06.1985 GB 19850016102 (71) Applicant: CAMP, Collin, Stuart Chippenham, Wiltshire SN15 2JJ (GB)	(72) Inventor: CAMP, Collin, Stuart Chippenham, Wiltshire SN15 2JJ (GB) (74) Representative: Page, Edmund John, et al  Temple Gate House Temple Gate Bristol BS1 6PL Bristol BS1 6PL (GB)