US 12,343,782 B2
Can container and method for producing same
Hayato Fukumoto, Kanagawa (JP)
Assigned to TOYO SEIKAN CO., LTD., Tokyo (JP)
Appl. No. 17/909,872
Filed by TOYO SEIKAN CO., LTD., Tokyo (JP)
PCT Filed Dec. 21, 2020, PCT No. PCT/JP2020/047764
§ 371(c)(1), (2) Date Sep. 7, 2022,
PCT Pub. No. WO2021/186829, PCT Pub. Date Sep. 23, 2021.
Claims priority of application No. 2020-048285 (JP), filed on Mar. 18, 2020.
Prior Publication US 2023/0173570 A1, Jun. 8, 2023
Int. Cl. B21D 51/26 (2006.01); B65D 1/16 (2006.01); B65D 1/46 (2006.01)
CPC B21D 51/26 (2013.01) [B65D 1/16 (2013.01); B65D 1/46 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A can container comprising:
a can barrel; and
a can bottom, wherein
the can bottom includes a dome part which is concaved toward an inner side of the can container along a direction of a can axis at a center and also includes an annular convex part which projects toward an outer side of the can container so as to shape an annular support part on an outer periphery of the dome part, and
the dome part has:
a central dome part which is positioned on the can axis and has a set radius of curvature, and
an outer peripheral dome part which is shaped continuously on an outer side of the central dome part, has a center of curvature positioned on the can axis, and has a radius of curvature smaller than the radius of curvature of the central dome part.