Title:
CAP, MOLD, AND CAP MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/058513
Kind Code:
A1
Abstract:
This cap (1) comprises: a cap body (11) which has a top plate part (21) and a skirt part (22) provided integrally with the top plate part (21) through a corner part (23) connecting same with the top plate part (21) and which is to be screwed onto a mouth part (110) of a can container (100); and a disk-like sealing member (12) which is provided separately from the cap body (11) and has a sliding layer (41) which faces and slides with the top plate part (21) and a sealing layer (42) which is provided integrally with the sliding layer (41) and seals the mouth part (110), the sliding layer (41) having a protruding part (41c) constituting part of the sliding layer (41) that is further on an outer side from the part thereof facing the mouth part (110) when the cap body (11) is screwed onto the can container (100), the thickness of the protruding part (41c) gradually decreasing toward the outer periphery of the sliding layer (41).
Inventors:
ARAKI EIJI (JP)
KAWADA TAKASHI (JP)
TAKAGI KENJI (JP)
KAWADA TAKASHI (JP)
TAKAGI KENJI (JP)
Application Number:
PCT/JP2017/034327
Publication Date:
March 28, 2019
Filing Date:
September 22, 2017
Export Citation:
Assignee:
DAIWA CAN CO LTD (JP)
International Classes:
B65D41/04
Foreign References:
| JP2004217295A | 2004-08-05 | |||
| US20140158688A1 | 2014-06-12 | |||
| JP2006095694A | 2006-04-13 | |||
| JP2003275278A | 2003-09-30 | |||
| JP2015143116A | 2015-08-06 | |||
| US20160207255A1 | 2016-07-21 | |||
| JP2016508770A | 2016-03-24 | |||
| JP2017178421A | 2017-10-05 | |||
| JP2017178427A | 2017-10-05 |
Attorney, Agent or Firm:
KURATA, Masatoshi et al. (JP)
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