Hot-stamping formed article, structural member using the same, and manufacturing method of hot-stamping formed article
AssigneeNippon Steel Corporation
InventorKenichiro Otsuka
Life of this patent
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Abstract
The present invention provides a hot-stamping formed article which is long and formed of a single steel sheet, the hot-stamping formed article including: two standing wall portions; a top sheet portion adjacent to the two standing wall portions; and a protrusion portion including an overlapping portion in which a portion of the steel sheet extending from at least one standing wall portion of the two standing wall portions and a portion of the steel sheet extending from the top sheet portion overlap, in which an angle between the top sheet portion and the protrusion portion in a case where a plane perpendicular to a longitudinal direction of the hot-stamping formed article is viewed in a cross section is larger than 90°.
Claims5
A hot-stamping formed article which is long and formed of a single steel sheet, the hot-stamping formed article comprising:
- two standing wall portions;
- a top sheet portion adjacent to the two standing wall portions;
- and
- a protrusion portion including an overlapping portion in which a portion of the steel sheet extending from at least one standing wall portion of the two standing wall portions and a portion of the steel sheet extending from the top sheet portion overlap,
- wherein an angle between the top sheet portion and the protrusion portion in a case where a plane perpendicular to a longitudinal direction of the hot-stamping formed article is viewed in a cross section is larger than 90°, and
- wherein the portion of the steel sheet extending from the standing wall portion and the portion of the steel sheet extending from the top sheet portion are in close contact with each other in the protrusion portion.
Dependencies are inferred from the claim text.