(19)

(11)

EP 0 101 454 A1

(12)

(43) Date of publication: 29.02.1984 Bulletin 1984/09 (21) Application number: 83900568.0 (22) Date of filing: 31.01.1983

(51) International Patent Classification (IPC):  E06C 7/ 42( . ) E06C 7/ 48( . ) (86) International application number: PCT/GB1983/000018 (87) International publication number: WO 1983/002796 (18.08.1983 Gazette 1983/19)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 06.02.1982 GB 19820003492 (71) Applicant: Smith, Samuel David Dunning Perthshire (GB)	(72) Inventor: Smith, Samuel David Dunning Perthshire (GB)