(19)

(11)

EP 0 027 803 A1

(12)

(43) Date of publication: 06.05.1981 Bulletin 1981/18 (21) Application number: 80900720.0 (22) Date of filing: 22.04.1980

(51) International Patent Classification (IPC):  E04B 2/ 18( . ) E04B 2/ 02( . ) E04B 2/ 26( . ) (86) International application number: PCT/GB1980/000069 (87) International publication number: WO 1980/002301 (30.10.1980 Gazette 1980/25)

(84) Designated Contracting States: DE FR GB (30) Priority: 23.04.1979 GB 19790014133 (71) Applicants: INTERBLOCK MASONRY UNITS LIMITED St. Peter Port Guernsey (GB) EAST MON INDUSTRIAL HOLDINGS LIMITED Lidney Glouchestershire (GB)	(72) Inventor: HUNT, Terence Llandello, Dyfed South Wales (GB) (74) Representative: Wilson, Nicholas Martin  WITHERS & ROGERS 4 Dyer's Buildings Holborn London EC1N 2JT London EC1N 2JT (GB)