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US 2018/0283437 A1Published application
Rolled-thread bolt production method
AssigneeToyota Jidosha Kabushiki Kaisha
InventorTaketo TAKEUCHI
Life of this patent
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Abstract
A rolled-thread bolt production method includes: forming a steel wire into a workpiece having a prescribed unthreaded-bolt shape; forming a threaded-portion on the workpiece through thread rolling; and performing shot blasting on an entire surface of the workpiece after forming the threaded-portion.
Claims5
A rolled-thread bolt production method comprising:
- forming a steel wire into a workpiece having a prescribed unthreaded-bolt shape;
- forming a threaded-portion on the workpiece through thread rolling;
- and
- performing shot blasting on an entire surface of the workpiece after forming the threaded-portion.
1 more element
Dependencies are inferred from the claim text.