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Class Information
Number: 470/32
Name: Threaded, headed fastener, or washer making: process and apparatus > Process > Making headed fastener, e.g., rivet or nail, etc. > Rivet type > Formed by heat treatment
Description: Subject matter having a step of heating or cooling the fastener to produce desired properties or conditions.

Sub-classes under this class:

Class Number Class Name Patents
470/33 And pressure, e.g., forging 0

Patents under this class:

Patent Number Title Of Patent Date Issued
8327514 Apparatus for rivetting Dec. 11, 2012
7465234 Hybrid fastening system and associated method of fastening Dec. 16, 2008
5299441 Method of making a mandrel comprising a drill section for a self-drilling blind rivet Apr. 5, 1994
4296512 Method for making fasteners Oct. 27, 1981
4281429 Method for making fasteners Aug. 4, 1981

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