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Class Information
Number: 470/68
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 > And pointing means
Description: Subject matter wherein the apparatus is provided with a component capable of producing a conical or conoidal point on the fastener.










Patents under this class:

Patent Number Title Of Patent Date Issued
6135892 Method of forming a short point anti-cross threading member Oct. 24, 2000
4722107 Methods and apparatus for making screws having a drill section and a reamer section Feb. 2, 1988
4689984 Method for producing male conical threads Sep. 1, 1987
4301563 Method for roll pointing a threaded screw Nov. 24, 1981











 
 
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