Patent ID: 9694774
Date: 2017-07-04
CPC Classifications: B60R

Claim:
1. A bumper beam unit for a vehicle, comprising; a bumper beam of which at least one smaller diameter pipe is inserted into a larger diameter pipe along a length direction thereof, and the larger diameter pipe and the smaller diameter pipe are press-formed to have a predetermined length; and a stay that connects both end portions of the bumper beam to a vehicle body, wherein: a first forming portion is formed by press-forming a central portion of the larger diameter pipe along the shape of the two smaller diameter pipes that are disposed at an upper side and a lower side in the larger diameter pipe; a second forming portion is formed by press-forming both end portions of the larger diameter pipe and the two smaller diameter pipes such that the cross-section of the smaller diameter pipes has an oval shape; and a third forming portion is formed by press-forming the larger diameter pipe and the two smaller diameter pipes between the first forming portion and the second forming portion such that a width of the smaller diameter pipes becomes narrower from the first forming portion to the second forming portion.