(19)

(11)

EP 0 099 916 A1

(12)

(43) Date of publication: 08.02.1984 Bulletin 1984/06 (21) Application number: 83900643.0 (22) Date of filing: 01.02.1983

(51) International Patent Classification (IPC):  E01H 1/ 00( . ) E01H 1/ 10( . ) (86) International application number: PCT/GB1983/000024 (87) International publication number: WO 1983/002789 (18.08.1983 Gazette 1983/19)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 03.02.1982 GB 19820003086 (71) Applicant: MOTOMOP LIMITED Somerset BA9 8JW (GB)	(72) Inventor: WEATHERILL, Louis Wincanton Somerset BA9 8JW (GB) (74) Representative: Cheyne, John Robert Alexander Mackenzie, et al  HASELTINE LAKE & CO. 28 Southampton Buildings Chancery Lane London WC2A 1AT London WC2A 1AT (GB)