Title:
缶体及びその製造方法
Document Type and Number:
Japanese Patent JP7120810
Kind Code:
B2
Abstract:
To provide a can body having high conveyability, suppressed in distortion of the can body, and having a shoulder part applied with design due to an uneven shape.SOLUTION: A can body comprises: a cylindrical straight trunk part; a shoulder part whose diameter is gradually reduced as it goes upward in a can axis direction; and a mouth part opened in the outside. The shoulder part has a lower bent part bent inward in the radial direction from the top edge of the straight trunk part, and a conical tapered part whose diameter is gradually reduced upward from the top edge of the lower bent part. The lower bent part has a plurality of first recesses formed at equal intervals in a circumferential direction, and recessed inward in the radial direction than a reference surface, and a plurality of first border crowns formed between the first recesses, projecting relatively outward in the radial direction compared to the first recess, and constituting a part of the reference surface. The first recess has a curved part folded vertically in the can axial direction in the deepest part of the first recess, and extending along the circumferential direction, and the deepest part of the first recess is in an upper position in the can axial direction than both end parts in contact with the first border crowns formed on both sides in the circumferential direction of the curved part.SELECTED DRAWING: Figure 3
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Inventors:
Fumiharu Konno
Application Number:
JP2018099576A
Publication Date:
August 17, 2022
Filing Date:
May 24, 2018
Export Citation:
Assignee:
Artemira Can Manufacturing Co., Ltd.
International Classes:
B65D1/02; B21D51/26; B65D1/00; B65D1/16; B65D1/42
Domestic Patent References:
| JP2011194474A | ||||
| JP2016124573A |
Attorney, Agent or Firm:
Masakazu Aoyama