Title:
CONTAINER LEAK INSPECTION METHOD AND METHOD FOR FORMING OUTSIDE AIR INTRODUCTION HOLE IN CONTAINER BODY OF DELAMINATION CONTAINER
Document Type and Number:
WIPO Patent Application WO/2021/039562
Kind Code:
A1
Abstract:
Provided is a leak inspection method whereby a leak from the bottom part of a container can be detected. Through the present invention, there is provided a container leak inspection method, said method comprising an inspection step, the inspection step being performed using a detection mechanism provided with a bottomed cylindrical cup and a flow meter, the flow meter being provided so as to be communicated with an internal space of the cup, and the presence/absence of a leak being determined in the inspection step on the basis of the flow rate detected by the flow meter when the inside of an inner bag is compressed in a state in which the cup is positioned so as to cover the bottom part of the container.
Inventors:
AIHARA KOUSUKE (JP)
NAKANO HIROYUKI (JP)
NAKANO HIROYUKI (JP)
Application Number:
PCT/JP2020/031392
Publication Date:
March 04, 2021
Filing Date:
August 20, 2020
Export Citation:
Assignee:
KYORAKU CO LTD (JP)
International Classes:
B26F1/16; G01M3/26; B65D1/02; G01M3/32
Domestic Patent References:
| WO2018054551A1 | 2018-03-29 |
Foreign References:
| JP3072863U | 2000-11-02 | |||
| JP2004085254A | 2004-03-18 | |||
| JPH07110292A | 1995-04-25 | |||
| JP2015152572A | 2015-08-24 | |||
| CN108387348A | 2018-08-10 |
Attorney, Agent or Firm:
SK INTELLECTUAL PROPERTY LAW FIRM et al. (JP)
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