Title:
缶製造装置
Document Type and Number:
Japanese Patent JP5851529
Kind Code:
B2
Abstract:
To provide a variant-can having a narrow part in the vicinity of a bottom part by performing a diameter-reduction process up to the vicinity of the bottom part on a trunk part of a can-body made of metal in a can-manufacturing device which processes the can-body being held by a pocket-shaped conveying part while conveying. It is provided with: a can-body pocket which holds a can-body by being in contact with a part of an outer circumference surface of a trunk part of the can-body; a base pad which presses a bottom part of the can-body along a can-axis direction; a die in which the trunk part of the can-body is press-inserted; and a clamping ring which protrudes from the base pad toward the die and is provided so as to move back and forth along the can-axis direction, in which the can-body pocket has a plurality of holding surfaces being separated circumferentially from each other along the outer circumference surface, the clamping ring has a plurality of arc-shaped clamping surface being inserted and extracted between the holding surfaces, so that a clamping surface is formed to clamp the outer circumference surface around substantially whole circumference in the vicinity of the bottom part of the can-body by inserting the arc-shaped clamping surface of the clamping ring between the holding surfaces of the can-body pocket.
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Inventors:
Masahiro Hosoi
Atsushi Yamashita
Atsushi Yamashita
Application Number:
JP2013557525A
Publication Date:
February 03, 2016
Filing Date:
February 05, 2013
Export Citation:
Assignee:
Universal Can Corporation
International Classes:
B21D51/26
Domestic Patent References:
| JP60261631A | ||||
| JP2003305523A | ||||
| JP810881A |
Attorney, Agent or Firm:
Masakazu Aoyama