(19)
(11) EP 1 114 898 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
17.10.2001 Bulletin 2001/42

(43) Date of publication A2:
11.07.2001 Bulletin 2001/28

(21) Application number: 00311739.7

(22) Date of filing: 28.12.2000
(51) International Patent Classification (IPC)7: E04B 9/04, E04B 9/00
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 28.12.1999 JP 37314899

(71) Applicant: NICHIAS CORPORATION
Tokyo (JP)

(72) Inventors:
  • Kubo, Hiroaki
    Tokyo (JP)
  • Togasaki, Takeshi
    Tokyo (JP)
  • Shirai, Seiichiro
    Nagareyama-shi, Chiba-ken (JP)
  • Onuki, Toshifumi
    Hamamatsu-shi, Shizuoka-ken (JP)
  • Sakakura, Masatoshi
    Hamamatsu-shi, Shizuoka-ken (JP)

(74) Representative: Allard, Susan Joyce et al
BOULT WADE TENNANT, Verulam Gardens 70 Gray's Inn Road
London WC1X 8BT
London WC1X 8BT (GB)

   


(54) Refractory ceiling structure


(57) A refractory ceiling structure makes it possible that it is superior structure for refractory performance, the roof-space is suit to exist only the minimum space for making construction of the cradling, and it can make wide of indoor space. The refractory ceiling structure is constituted in such a way that a refractory ceiling main body is installed on a cradling provided in a roof space as a groundwork, and the refractory ceiling main body is constituted by inorganic fibriform heat insulating material, plaster boards superimposed at the both sides, and calcium silicate plate superimposed on plaster boards at the surface side of the ceiling.






Search report