(19)
(11)EP 0 323 526 A1

(12)

(43)Date of publication:
12.07.1989 Bulletin 1989/28

(21)Application number: 88906088.0

(22)Date of filing:  13.07.1988
(51)International Patent Classification (IPC): 
B28B 11/ 00( . )
E01C 5/ 00( . )
E01C 5/ 22( . )
B28B 11/ 04( . )
E01C 5/ 06( . )
(86)International application number:
PCT/JP1988/000698
(87)International publication number:
WO 1989/000626 (26.01.1989 Gazette  1989/03)
(84)Designated Contracting States:
AT BE CH DE FR GB IT LI NL SE

(30)Priority: 14.07.1987 JP 19870175450
15.07.1987 JP 19870176623
15.07.1987 JP 19870176624

(71)Applicants:
  • CHICHIBU CEMENT CO., LTD.
    Tokyo 100 (JP)
  • INAX CORPORATION
    Tokoname-Shi Aichi (JP)
  • ILB CO., LTD.
    Tokyo 113 (JP)

(72)Inventors:
  • YOSHIDA, Kinoto Chichibu Cement Co., Ltd.
    Kumagaya-shi Saitama 360 (JP)
  • FUJII, Morizumi Inax Corporation
    Tokoname-shi Aichi 479 (JP)
  • TSUDA, Tokihiro
    Kitakatsushika-gun Saitama 345 (JP)
  • SUDA, Shigeo Chichibu Cement Co., Ltd.
    Kumagaya-shi Saitama 360 (JP)
  • KODAMA, Osamu Chichibu Cement Co., Ltd.
    Saitama 360 (JP)
  • KUROE, Kazuro Chichibu Cement Co., Ltd.
    Kumagaya-shi Saitama 360 (JP)
  • TANIKAWA, Takumi
    Tokoname-shi Aichi 479 (JP)
  • NISHIMURA, Michihiko
    Tokoname-shi Aichi 479 (JP)
  • MUNAKATA, Hideyuki
    Tokyo 174 (JP)

(74)Representative: VOSSIUS & PARTNER 
Postfach 86 07 67
D-81634 München
D-81634 München (DE)

  


(54)PAVING BLOCKS AND METHOD FOR PRODUCTION THEREOF