Title:
CAP
Document Type and Number:
Japanese Patent JP3423507
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an excellent cap which does not require a special process when being fitted on a container body, etc., and by which the filling work can be facilitated while imparting a virgin sealability, and at the same time, of which the sealing function can be formed integrally with the cap, without specially requiring other material or device, and also which can be used as a screwing cap after being opened.
SOLUTION: A cap is equipped with an internal cylinder 2 which is screwed with a container body mouth part 6, and an external cylinder 3 which covers the internal cylinder 2 is rotatably provided. Then, a breakable protuberance 14 which is provided on the lower end on the external surface of the internal cylinder, is made to penetrate a fitting groove 11 which is provided on the lower end on the peripheral wall of the external cylinder, and a display plate 4 which is integrally connected to the leading end of the breakable protuberance 14, is erected on the outside of the external cylinder. Then, by providing a rotation restricting mechanism of a special constitution between the internal and external cylinders, the cap is constituted in such a manner that a normal screwing can be done at the time of screwing, and the breakable protuberance 14 breaks, and the display plate 4 is removed at the time of unscrewing.
Inventors:
Natsuo Shinozaki
Nobuo Yamanaka
Nobuo Yamanaka
Application Number:
JP28680495A
Publication Date:
July 07, 2003
Filing Date:
October 06, 1995
Export Citation:
Assignee:
Yoshino Industry Co., Ltd.
International Classes:
B65D41/00; B65D47/02; B65D49/12; (IPC1-7): B65D41/00; B65D47/02; B65D49/12
Domestic Patent References:
| JP531139U | ||||
| JP58606U |
Attorney, Agent or Firm:
Yoshio Imaoka