(19)
(11) EP 1 270 435 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
15.01.2003 Bulletin 2003/03

(43) Date of publication A2:
02.01.2003 Bulletin 2003/01

(21) Application number: 02251642.1

(22) Date of filing: 08.03.2002
(51) International Patent Classification (IPC)7: B65D 51/28, B65D 81/32, B65D 81/20
(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: 19.06.2001 JP 2001185428

(71) Applicants:
  • Makita, Masayuki
    Matsumoto-shi, Nagano (JP)
  • Takahashi, Masashi
    Kashiwa-shi, Chiba (JP)

(72) Inventors:
  • Makita, Masayuki
    Matsumoto-shi, Nagano (JP)
  • Takahashi, Masashi
    Kashiwa-shi, Chiba (JP)

(74) Representative: Smith, Norman Ian et al
fJ CLEVELAND 40-43 Chancery Lane
London WC2A 1JQ
London WC2A 1JQ (GB)

   


(54) Closure member for a bottle


(57) A bottle cap or closure member has a first fixed portion 2 and a second movable portion 3 which are separably screwed to each other. The fixed portion is for supporting the movable portion and has an attaching portion 2a for connection to the neck 11a of a bottle 11 and a through hole 2b on an axial line X. The removable portion has an inner plug portion 4 which protrudes from a face 3a thereof on the axial line and passes through and seals the through hole. The inner plug portion is provided with a chamber 5 for raw material 12 and pressurised gas 13. An opening 5a at the other end of the chamber is sealed by a plug 6. Between the plug and the fixed portion, there exists a plug opening means 7 and the plug is arranged to be opened by the plug opening means during relative movement of the fixed portion and the removable portion.






Search report