(19)
(11) EP 0 473 458 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
01.07.1992 Bulletin 1992/27

(43) Date of publication A2:
04.03.1992 Bulletin 1992/10

(21) Application number: 91307997.6

(22) Date of filing: 30.08.1991
(51) International Patent Classification (IPC)5: B30B 11/08
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU NL SE

(30) Priority: 30.08.1990 JP 229960/90

(71) Applicant: SHIONOGI SEIYAKU KABUSHIKI KAISHA trading under the name of SHIONOGI & CO. LTD.
Osaka 541 (JP)

(72) Inventors:
  • Tanino, Tadatsugu
    Ibaraki-shi, Osaka (JP)
  • Furuya, Yoshihiro
    Sennan-gun, Osaka (JP)
  • Takeda, Toyohiko
    Kobe-shi, Hyogo-ken (JP)

(74) Representative: Silverman, Warren et al
HASELTINE LAKE & CO. Hazlitt House 28 Southampton Buildings Chancery Lane
London WC2A 1AT
London WC2A 1AT (GB)


(56) References cited: : 
   
       


    (54) A method for molding powder under compression


    (57) A method for molding powder under compression by use of a compression molding machine including a horizontally supported turntable provided with bores vertically extending therethrough, and upper pressure rods and lower pressure rods respectively positioned above and below the respective bores, the upper end portion of each lower pressure rod being fitted in the corresponding bore. The method includes subjecting powder contained in each bore to preliminary compression by dropping the corresponding upper pressure rod into the bore by gravity before the compression molding operation.






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