Method for joining members and joined body
AssigneeKobe Steel, Ltd.
InventorsToru Hashimura, Artur Rekets, Yasuhiro Maeda, Taiki Yamakawa
Life of this patent
Estimating the term…
Abstract
A bumper system includes a rear wall of a bumper beam provided with hole portions, and a bumper stay including tubular portions extending in the longitudinal direction, the tubular portions being inserted into the hole portions and joined to the hole portions by pipe expansion joining. The bumper stay includes a pulling-out obstructing portion protruding from the outer surfaces of the tubular portions in a cross section perpendicular to the longitudinal direction. The pulling-out obstructing portion abuts on the rear wall of the bumper beam in the direction in which the bumper stay is pulled out from the hole portions.
Claims12
A joined body comprising:
- a wall surface body provided with a hole portion;
- and
- a tube body including a tubular portion extending in a longitudinal direction, the tubular portion being inserted into the hole portion and joined to the hole portion by pipe expansion joining,
- wherein the tube body includes a pulling-out obstructing portion protruding from an outer surface of the tubular portion in a cross section perpendicular to the longitudinal direction, and
- the pulling-out obstructing portion abuts on the wall surface body in a direction in which the tube body is pulled out from the hole portion.
Dependencies are inferred from the claim text.