(19)

(11)

EP 0 040 619 A1

(12)

(43) Date of publication: 02.12.1981 Bulletin 1981/48 (21) Application number: 80902240.0 (22) Date of filing: 28.11.1980

(51) International Patent Classification (IPC):  E04D 1/ 30( . ) E04D 13/ 158( . ) E04D 1/ 36( . ) (86) International application number: PCT/GB1980/000205 (87) International publication number: WO 1981/001583 (11.06.1981 Gazette 1981/14)

(84) Designated Contracting States: AT DE FR GB (30) Priority: 28.11.1979 GB 19790040986 23.07.1980 GB 19800024103 (71) Applicants: MARLEY TILE A.G. Zug (CH) QUINNELL, Geoffrey Charles Pembury, Kent (GB)	(72) Inventors: QUINNELL, Geoffrey Charles Pembury, Kent (GB) COOPER, Christopher Arthur Near Cranbrook, Kent (GB) (74) Representative: Butler, Michael John, et al  FRANK B. DEHN & CO. Imperial House 15-19 Kingsway London, WC2B 6UZ London, WC2B 6UZ (GB)