Title:
Resin coating cork
Document Type and Number:
Japanese Patent JP6218321
Kind Code:
B2
Abstract:
A cork stopper (1) coated with a resin layer having a columnar cork stopper body (2) formed by a compression molding of a cork granule with a binder resin, and a resin coating layer (3) covering an outer circumferential surface of the cork stopper (1) from an end side to another end of the cork stopper body (2) along an axial direction. The cork stopper body (2) and the resin coating layer (3) constitute a core portion (4), and the core portion (4), when being pressed in a hollow tubular portion with a tightening allowance of 1.5 mm, experiencing a compression stress of 100 N to 300 N in case of a moisture content ratio of the core portion (4) being 6 weight percent and experiencing a compression stress smaller by 100 N to 150 N than that in case of a moisture content ratio of the core portion (4) being 2 weight percent.
Inventors:
Tomohisa Yamamoto
Tatsuo Katayama
Akihiro Anabuki
Kado Tatsuki
Tatsuo Katayama
Akihiro Anabuki
Kado Tatsuki
Application Number:
JP2013257810A
Publication Date:
October 25, 2017
Filing Date:
December 13, 2013
Export Citation:
Assignee:
Uchiyama Industry Co., Ltd.
Suntory Holdings Limited
Suntory Holdings Limited
International Classes:
B65D39/04; B65D39/18
Domestic Patent References:
| JP2005225529A | ||||
| JP2010099909A | ||||
| JP47002691Y1 | ||||
| JP5085555A | ||||
| JP2003054595A | ||||
| JP5293051A |
Foreign References:
| WO2011155515A1 | ||||
| WO2004020300A1 | ||||
| US3984022 | ||||
| GB809990A | ||||
| US20070203266 |
Attorney, Agent or Firm:
Hiroyuki Nakai
Okumura Kimitoshi
Shuko Okimoto
Okumura Kimitoshi
Shuko Okimoto