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公开(公告)号：US3576205A
公开(公告)日：1971-04-27
申请号：US3576205D
申请日：1969-06-30
Applicant: ROBERT A REICH
Inventor： REICH ROBERT A
CPC classification number: F16B37/061 , F16B37/02 , Y10S411/965
Abstract: The present invention is a welding nut which is attached to a metallic surface by either spot welding or projection welding. The welding nut includes a nut end portion and a weld end portion of a predetermined thickness. The welding nut is constructed of a low-carbon steel and has a pilot projection which depends downwardly from the nut end portion a distance at least equal to the predetermined thickness of the weld end portion. A bore extends through the nut end portion and the pilot projection. Internal threads are provided in the bore.
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