Threaded fastener and functional additional component of threaded fastener

The present invention provides a threaded fastener capable of preventing damage of a functional attachment member during tightening and maintaining a good function and fastened state of the functional attachment member. A threaded fastener is provided with a fastener body (10), a threaded part (13)...

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Bibliographic Details
Main Author MATSUEDA YOICHI
Format Patent
LanguageChinese
English
Published 16.01.2024
Subjects
BLASTING
CYLINDERS
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
PISTONS
SEALINGS
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:The present invention provides a threaded fastener capable of preventing damage of a functional attachment member during tightening and maintaining a good function and fastened state of the functional attachment member. A threaded fastener is provided with a fastener body (10), a threaded part (13) for tightening the fastener body (10) to a member (200) to be fastened, a flange part (14) provided on the fastener body (10), and a sealing function-adding member (20) (function-adding member) provided on the flange part (14), the sealing function-adding member (20) being in contact with the member to be fastened during tightening, and characterized in that the threaded part (13) is configured to screw the fastener body (10) to the member to be fastened (200), and the threaded part (13) is configured to screw the fastener body (10) to the member to be fastened (200). The sealing function adding member (20) has at least a two-layer structure including a sliding portion (22) (a first adding portion) in contact with
Bibliography:Application Number: CN202180098879