(19)
(11) EP 0 729 895 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
26.02.1997 Bulletin 1997/09

(43) Date of publication A2:
04.09.1996 Bulletin 1996/36

(21) Application number: 96301387.5

(22) Date of filing: 29.02.1996
(51) International Patent Classification (IPC)6: B65D 41/48
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
SI

(30) Priority: 03.03.1995 JP 44431/95

(71) Applicant: JAPAN CROWN CORK CO. LTD.
Chiyoda-ku, Tokyo 100 (JP)

(72) Inventors:
  • Ohmi, Hidehiko, c/o Japan Crown Cork Co., Ltd.
    Hiratsuka-shi, Kanagawa-ken (JP)
  • Kubo, Tateo, c/o Japan Crown Cork Co., Ltd.
    Hiratsuka-shi, Kanagawa-ken (JP)
  • Kumata, Mitsuo, c/o Japan Crown Cork Co., Ltd.
    Hiratsuka-shi, Kanagawa-ken (JP)

(74) Representative: Rickard, Timothy Mark Adrian 
Brookes & Martin, High Holborn House, 52/54 High Holborn
London WC1V 6SE
London WC1V 6SE (GB)

   


(54) Resin cap


(57) The resin cap of this invention comprises a cap proper (1) provided with a skirt portion (4) and a continuous ring member (2) provided so as to cover the outer surface of the skirt portion of the cap proper. A plurality of axially extending cuts (9) are circumferentially spaced in the skirt portion of the cap proper, and the skirt portion of the cap proper and the ring-like member are separated via a cutting surface (10), but are integrally formed via a plurality of frangible bridge portions (11) or connecting portions upwardly or downwardly of the cutting surface. The outer surface of the skirt portion of the cap proper and the inner surface of the ring-like member are intimately adhered at a portion of the cutting surface. This cap can form a sealing structure having sealing reliability, and can be opened without using any particular tool. Furthermore, it has excellent tamper-evident characteristics.






Search report