Title:
SPOUT STOPPER AND PACKAGING CONTAINER
Document Type and Number:
WIPO Patent Application WO/2016/017178
Kind Code:
A1
Abstract:
Provided are: a spout stopper that prevents lowering of the sealing performance between a stopper body and a cap without causing degradation of the liquid cut performance of the stopper body; and a packaging container using the spout stopper. A spout stopper comprises: a stopper body that has a cylindrical side wall; and a cap that is fitted to the stopper body from one end, specifically an upper end, of the side wall. A protruding part that protrudes outward from the side wall is formed at an upper edge of the side wall, and a top surface of the upper end of the side wall is in surface contact along the entire circumference with a prescribed contact surface inside the cap in a state where the cap has been fitted to the side wall.
Inventors:
WADA KIYOSHI
SEKI TAKEKUNI
FUJIWARA NOBUKAZU
SEKI TAKEKUNI
FUJIWARA NOBUKAZU
Application Number:
PCT/JP2015/003851
Publication Date:
February 04, 2016
Filing Date:
July 30, 2015
Export Citation:
Assignee:
TOPPAN PRINTING CO LTD (JP)
International Classes:
B65D41/04; B65D5/74
Domestic Patent References:
| WO2011078085A1 | 2011-06-30 |
Foreign References:
| JPH10167297A | 1998-06-23 | |||
| JP2004067101A | 2004-03-04 | |||
| JP2011105383A | 2011-06-02 | |||
| JPH10157731A | 1998-06-16 | |||
| JP2012245997A | 2012-12-13 | |||
| JPS5041950U | 1975-04-28 | |||
| JPH11171233A | 1999-06-29 | |||
| US5388731A | 1995-02-14 | |||
| JP2004149164A | 2004-05-27 | |||
| JP2014019447A | 2014-02-03 |
Attorney, Agent or Firm:
OGASAWARA PATENT OFFICE (JP)
Patent business corporation Ogasawara patent firm (JP)
Patent business corporation Ogasawara patent firm (JP)
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