Fastening member and rod-shaped member for fastening member
AssigneeNHK Spring Co., Ltd.
InventorsToshio Kazama, Noriyoshi Kaneda, Shun Hirai
Life of this patent
Estimating the term…
Abstract
A fastening member includes: a first alloy section made of aluminum alloy containing zinc in an amount of 0.005 wt % or more and 6.5 wt % or less and containing magnesium in an amount of 0.6 wt % or more and 2.0 wt % or less, and provided at a portion being in contact with at least one of the plurality of members; and a second alloy section made of an aluminum alloy containing magnesium in an amount of greater than 0.2 wt % and 2.3 wt % or less and containing copper in an amount of greater than 1.0 wt % and 8.0 wt % or less, and bonded to the first alloy section.
Claims10
A fastening member that fastens members, the fastening member comprising:
- a first alloy section made of aluminum alloy containing zinc in an amount of 0.005 wt % or more and 6.5 wt % or less and containing magnesium in an amount of 0.6 wt % or more and 2.0 wt % or less, is the first alloy section being provided in a portion in contact with at least one of the members;
- and
- a second alloy section made of an aluminum alloy containing magnesium in an amount of greater than 0.2 wt % and 2.3 wt % or less and containing copper in an amount of greater than 1.0 wt % and 8.0 wt % or less, the second alloy section being bonded to the first alloy section.
A rod-shaped member for a fastening member, comprising:
- a core section having a cylindrical shape and made of an aluminum alloy containing magnesium in an amount of greater than 0.2 wt % and 2.3 wt % or less and copper containing in an amount of greater than 1.0 wt % and 8.0 wt % or less;
- and
- an outer peripheral portion having a hollow cylindrical shape covering a side surface of the core section with no gap, and made of an aluminum alloy containing zinc in an amount of 0.005 wt % or more and 6.5 wt % or less and containing magnesium in an amount of 0.6 wt % or more and 2.0 wt % or less.
A rod-shaped member for a fastening member, comprising:
- a core section having a hollow cylindrical shape and made of an aluminum alloy containing zinc in an amount of 0.005 wt % or more and 6.5 wt % or less and containing magnesium in an amount of 0.6 wt % or more and 2.0 wt % or less;
- and
- an outer peripheral portion having a hollow cylindrical shape covering a side surface of the core section with no gap, and made of an aluminum alloy containing magnesium in an amount of greater than 0.2 wt % and 2.3 wt % or less and containing copper in an amount of greater than 1.0 wt % and 8.0 wt % or less.
Dependencies are inferred from the claim text.