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Patent Searching and Data


Title:
BOTTLE CAN, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2020/217629
Kind Code:
A1
Abstract:
This method for manufacturing a bottle can includes: using an aluminum alloy material to form a bottomed cylindrical base can by means of a drawing and ironing process; annealing a prescribed annealing region on an open end side of the base can; after annealing, subjecting a prescribed drawing region on the open end side to a necking process having a drawing ratio of 1.3 to 2.6; and, after the necking process, subjecting a prescribed screw region on the open end side to a screw process.

Inventors:
SASAKI KEIJI (JP)
HANAWA YOSHIYUKI (JP)
Application Number:
PCT/JP2020/003622
Publication Date:
October 29, 2020
Filing Date:
January 31, 2020
Export Citation:
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Assignee:
TOYO SEIKAN KAISHA LTD (JP)
International Classes:
B21D51/26; B21D51/38; B65D1/00; B65D1/16
Foreign References:
JP2018520008A2018-07-26
JP2008057019A2008-03-13
JP2018075639A2018-05-17
Attorney, Agent or Firm:
HEIWA INTERNATIONAL PATENT OFFICE (JP)
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