Title:
屈曲部材の製造方法
Document Type and Number:
Japanese Patent JP6748149
Kind Code:
B2
Abstract:
To mold a member by press molding of a successive feed type while restraining dripping.SOLUTION: An object plate material comprises a plate-like body part and a bent part which is bent to the projection side from an edge of the body part. The object plate material is pressed in the pressing direction between an inside metal mold positioned on the projection side and an outside metal mold, so that a bent member is molded. The outside metal mold comprises an outer main surface and an outer side surface. A part forming a boundary between the outer main surface and the outer side surface is formed as a metal mold corner part. The metal mold corner part is positioned on the outer peripheral side of the bent part. On the other hand, the inner metal mold comprises an inner main surface and an inclined plane. When pressing the object plate material, the inclined plane presses the inner peripheral side of the bent part.SELECTED DRAWING: Figure 8
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Inventors:
Yuji Nakata
Application Number:
JP2018112973A
Publication Date:
August 26, 2020
Filing Date:
June 13, 2018
Export Citation:
Assignee:
Futaba Sangyo Co., Ltd.
International Classes:
B21J5/08; B21D19/08; B21J5/00; B21J13/02
Domestic Patent References:
| JP2003285121A | ||||
| JP2009248093A | ||||
| JP2000024745A | ||||
| JP2009006392A | ||||
| JP5277573A | ||||
| JP11320021A | ||||
| JP4258339A | ||||
| JP2013504436A |
Foreign References:
| US20160121678 | ||||
| US20120217717 |
Attorney, Agent or Firm:
Nagoya International Patent Service Corporation