Tapered Head Clinch Fastener
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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app pub date -
Jul 28, 2016
filing date -
Jul 28, 2015
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Abstract
A fastener with a tapered head that frictionally mates with a tapered hole in a punched sheet. Frictional attachment is achieved with the fastener head remaining flush with the top of the panel. If a second panel of softer material is placed underneath against the backside of the first panel, in the same pressing step clinch features on the shank of the fastener attach to the second panel and attach the two sheets face-to-face. Attachment of the tapered head with the top panel exploits two different attachment phenomena: a locking taper and, depending on the choice of materials such as stainless steel, attachment by galling.
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