PRESS-MOLDED PRODUCT, PRESS-MOLDED PRODUCT PRODUCING METHOD AND PRESS-MOLDED PRODUCT PRODUCING APPARATUS Russian patent published in 2018 - IPC B21D22/26 

Abstract RU 2649613 C2

FIELD: moulding.

SUBSTANCE: invention relates to treatment of metals by pressure and can be used as a reinforcing element of a vehicle body. Press-molded product of a metal plate which is formed by a steel plate having a tensile strength of 340 MPa or more and includes a ridge portion extending in a predetermined direction and first and second surface portions respectively extending from both ends of a ridge line formed by the ridge portion. Press-molded product includes an inward continuous flange which is obtained by continuously forming a ridge-portion flange formed inward in an end portion of the ridge portion, a first flange and a second flange. Ridge-portion flange has a plate thickness distribution in which a plate thickness of a portion of each of areas on both sides of a circumferential center area is equal to or larger than a plate thickness of the center area.

EFFECT: reduced possibility of folding.

16 cl, 15 dwg

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RU 2 649 613 C2

Authors

Nakadzava, Josiaki

Ito, Yasukhiro

Dates

2018-04-04Published

2014-08-26Filed