DEVICE FOR MANUFACTURING COMPONENT HAVING HAT-SHAPED CROSS SECTION

WIPO Patent Application WO/2015/046023

A1

A device (500) for manufacturing a component having a hat-shaped cross section is provided with: a die (502) having a shaping surface which sandwiches and applies pressure to a stock metal sheet (601); a blank holder (505) disposed facing the die (502) and having a shaping surface which sandwiches and applies pressure to the stock metal sheet (601) and which is configured as a shaping surface corresponding to the shaping surface of the die (502); a pad (503) disposed in an opening formed in the die (502) and having a shaping surface which sandwiches and applies pressure to the stock metal sheet (601); and a punch (504) disposed facing the pad (503) and having a shaping surface which sandwiches and applies pressure to the stock metal sheet (601) and which is configured as a shaping surface corresponding to the shaping surface of the pad (503). Further, the device (500) for manufacturing a component having a hat-shaped cross section is provided with a pressure limiting device (508) which limits the pressure applied between the pad (503) and the blank holder (505) to a molded bent component (501) during separation from the die.

TANAKA YASUHARU (JP)
ASO TOSHIMITSU (JP)
MIYAGI TAKASHI (JP)
OGAWA MISAO (JP)
YAMAMOTO SHINOBU (JP)

PCT/JP2014/074742

April 02, 2015

September 18, 2014

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NIPPON STEEL & SUMITOMO METAL CORP (JP)

B21D22/26; B21D5/01; B21D24/12; B21D24/14

WO2014042067A1

2014-03-20

JPS6117224U	1986-01-31
JPS59175427U	1984-11-22
JPH07230762A	1995-08-29
US1606141A	1926-11-09

Taiyo, Nakajima & Kato (JP)
Patent business corporation solar international patent firm (JP)

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