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Class Information
Number:
470/82
Name:
Threaded, headed fastener, or washer making: process and apparatus
>
Apparatus for making externally threaded fastener or article, e.g., screw, bolt, etc.
>
Screw fastener making
>
Having thread cutting means
> Having recessed cylindrical die block
Description:
Subject matter wherein the component comprises a cylindrical structure having an external thread wherein the structure is capable of forming a thread by removing a portion of the structure on a line parallel to the axis of the structure.
Patents under this class:
Patent Number
Title Of Patent
Date Issued
6712708
Self-tapping screw, blank and method for joining thin workpieces and production method for the same
Mar. 30, 2004
5203874
Device for securing dies on threading machines
Apr. 20, 1993
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