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 > Patents

Browse by:

Browse by Category: Main > Industrial

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