Title:
CAP, TOOL, AND MANUFACTURING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/020433
Kind Code:
A1
Abstract:
A cap (100) is provided with: a cap body (111) that has a top plate (121) and a cylindrical skirt (122) provided to the peripheral edge of the top plate (121); a sealing member (112) that is provided in the cap body (111) separately from the cap body (111) so as to face the top plate (121); and a locking part that has a plurality of recesses (135) provided in the circumferential direction of the skirt (122) and recessed radially inward of the cap body (111), that supports the sealing member (112) by the recesses (135), and in which at least one of a primary side in an uncapping direction regarding the circumferential direction of the recesses (135) and the top plate (121) side of the recesses (135) or the tip side of the skirt (122) of the recesses (135) is discontinuous from the skirt (122) but a secondary side in the uncapping direction regarding the circumferential direction of the recesses (135) is continuous from the skirt (122).
Inventors:
FUJISHIGE EIJI (JP)
TAKAGI KENJI (JP)
ARAKI EIJI (JP)
TAKAGI KENJI (JP)
ARAKI EIJI (JP)
Application Number:
PCT/JP2020/029015
Publication Date:
February 04, 2021
Filing Date:
July 29, 2020
Export Citation:
Assignee:
DAIWA CAN CO LTD (JP)
International Classes:
B21D28/10; B21D51/44; B65D41/04
Domestic Patent References:
| WO2013146116A1 | 2013-10-03 |
Foreign References:
| JP2004217295A | 2004-08-05 | |||
| JP2007161331A | 2007-06-28 | |||
| JP2018193082A | 2018-12-06 |
Attorney, Agent or Firm:
KURATA, Masatoshi et al. (JP)
Download PDF: