(19)

(11)

EP 0 094 397 A1

(12)

(43) Date of publication: 23.11.1983 Bulletin 1983/47 (21) Application number: 82903335.0 (22) Date of filing: 22.11.1982

(51) International Patent Classification (IPC):  E04B 1/ 24( . ) (86) International application number: PCT/GB1982/000330 (87) International publication number: WO 1983/001800 (26.05.1983 Gazette 1983/13)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 20.11.1981 GB 19810034991 (71) Applicant: GLASSBROOK, Allan Berkshire (GB)	(72) Inventor: GLASSBROOK, Allan Berkshire (GB)