Fastener, fastener system and method of forming a fastener
By designing specific structures and processing techniques, the problem of hydrogen embrittlement in ultra-high strength fasteners in hydrogen environments was solved, achieving improved stability and mechanical properties under high clamping loads and reducing hydrogen embrittlement sensitivity.
CN122407660APending Publication Date: 2026-07-17GM GLOBAL TECHNOLOGY OPERATIONS LLC
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Filing Date
- 2025-03-18
- Publication Date
- 2026-07-17
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Figure CN122407660A_ABST
Abstract
本发明涉及紧固件、紧固件系统和形成紧固件的方法。紧固件，包括头部，该头部设置在纵向轴线的近端处并且具有垂直于纵向轴线且延伸穿过其的第一水平轴线。头部具有第一表面和跨过第一水平轴线与第一表面隔开的支承表面。紧固件包括沿纵向轴线与头部隔开的螺纹部分和在圆角处邻接头部并沿纵向轴线设置在头部和螺纹部分之间的柄部。圆角具有延伸穿过其的第二水平轴线，所述第二水平轴线基本上平行于第一水平轴线并与纵向轴线相交。支承表面和第二水平轴线在它们之间限定第一角度，使得支承表面相对于第二水平轴线和纵向轴线偏斜。描述了紧固件系统和形成紧固件的方法。
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