Title:
MANUFACTURING METHOD OF BUMPER REINFORCEMENT
Document Type and Number:
Japanese Patent JP2017047818
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To prevent or suppress generation of wrinkle when bumper reinforcement that both ends are formed to wide in a cross section width direction and formed to curve in a longer direction is molded in tailored blank.SOLUTION: In bumper reinforcement 14, a middle position component 14A and both sides position components 14B are joined in tailored blank in a monotonous shape state, and formed into an M shape open cross-section by a hot press method. In the hot press method, the cross section width in both ends site is formed to wider than the cross section width at the middle position site, and it is molded so that a difference thickness join line S by the tailored blank joining is at a position of a middle part widening area Y2.SELECTED DRAWING: Figure 2
Inventors:
KAMIYA NAOKI
Application Number:
JP2015173839A
Publication Date:
March 09, 2017
Filing Date:
September 03, 2015
Export Citation:
Assignee:
TOYOTA TEKKO KK
International Classes:
B60R19/04; B60R19/34
Domestic Patent References:
| JP2010509122A | 2010-03-25 | |||
| JP2010023658A | 2010-02-04 | |||
| JP2014058221A | 2014-04-03 | |||
| JP2005067541A | 2005-03-17 | |||
| JP2007530346A | 2007-11-01 | |||
| JP2001180398A | 2001-07-03 |
Foreign References:
| US20090058111A1 | 2009-03-05 | |||
| CN104925009A | 2015-09-23 |
Attorney, Agent or Firm:
Okada International Patent Office
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