(19)
(11) EP 0 228 366 A1

(12)

(43) Date of publication:
15.07.1987 Bulletin 1987/29

(21) Application number: 85902877.0

(22) Date of filing: 28.05.1985
(51) International Patent Classification (IPC): 
E04F 15/ 08( . )
B32B 3/ 14( . )
E04F 13/ 08( . )
E04F 15/ 18( . )
B32B 3/ 10( . )
B32B 5/ 18( . )
E04F 15/ 02( . )
E04F 15/ 20( . )
(86) International application number:
PCT/US1985/000976
(87) International publication number:
WO 1986/007008 (04.12.1986 Gazette 1986/26)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI NL SE

(71) Applicant: BROWN, John G.
Harvard, IL 60033 (US)

(72) Inventor:
  • BROWN, John G.
    Harvard, IL 60033 (US)

(74) Representative: BATCHELLOR, KIRK & CO. 
2 Pear Tree Court Farringdon Road
London EC1R 0DS
London EC1R 0DS (GB)

   


(54) MODULAR-ACCESSIBLE-TILES PROVIDING ACCESSIBILITY TO CONDUCTORS AND PIPING WITH IMPROVED SOUND ISOLATION