Title:
SYNTHETIC RESIN CAP OF FORCED FIT TYPE
Document Type and Number:
Japanese Patent JP2010260583
Kind Code:
A
Abstract:
To secure high fitting strength for a bottle mouth without deteriorating the ease of categorization, in a synthetic resin cap that has a pilferproof function.
A ring 29 continues to the lower end of the skirt 25b of a screw cap 3 via a bridge 28, a body ratchet 23 is provided in the external cylindrical portion 5 of a body 2, and a ring ratchet 31 is provided on the ring 29 of the screw cap 3. By twisting the screw cap 3 backward, the bridge 28 is torn so that the ring 29 is held by the ratchet 23 and the ring ratchet 31 so as not to be rotatable. The external cylindrical portion 5 of the body 2 has a weakened line 19 for tearing the external cylindrical portion 5 by pulling a tab 18.
Inventors:
YOSHIDA HITOAKI
Application Number:
JP2009111361A
Publication Date:
November 18, 2010
Filing Date:
April 30, 2009
Export Citation:
Assignee:
TENRYU KAGAKU KOGYO KK
International Classes:
B65D41/34; B65D49/12
Domestic Patent References:
| JP3125465U | 2006-09-21 | |||
| JP2005067699A | 2005-03-17 |
Attorney, Agent or Firm:
Akio Ishii
Tadashi Higashino
Hiroyuki Nishi
Ryuichi Watanabe
Tadashi Higashino
Hiroyuki Nishi
Ryuichi Watanabe
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