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Class Information
Number: 470/84
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 swaging means
Description: Subject matter wherein the apparatus is provided with a component capable of forming a thread by shaping cold metal.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7552610 |
Thread forming method, thread forming device, and thread forming tool |
Jun. 30, 2009 |
| 7237424 |
Split die for forming grooved workpiece |
Jul. 3, 2007 |
| 6878069 |
Helical groove fasteners and methods for making same |
Apr. 12, 2005 |
| 5979216 |
Wear resistant tool insert |
Nov. 9, 1999 |
| 4942752 |
Apparatus for reforming and restoring the surface of a cylindrical workpiece manually |
Jul. 24, 1990 |
| 4941341 |
Process and apparatus for cold pressing a conical external thread |
Jul. 17, 1990 |
| 4860570 |
Low tonnage high quality thread stamping |
Aug. 29, 1989 |
| 4768910 |
Threaden pin with swagable collar |
Sep. 6, 1988 |
| 4689984 |
Method for producing male conical threads |
Sep. 1, 1987 |
| 4584247 |
Threading deformed bars |
Apr. 22, 1986 |
| 4527299 |
Method for forming an internal thread in a hollow body |
Jul. 9, 1985 |
| 4429561 |
Mandrel for cold forging internally profiled tubes or cylinders |
Feb. 7, 1984 |
| 4428222 |
Cold forging mandrel with threads |
Jan. 31, 1984 |
| 4416142 |
Apparatus for simultaneously forming a cap member with internal threads |
Nov. 22, 1983 |
| 4266310 |
Arrangement for forming metal parts |
May. 12, 1981 |
| 4170050 |
Method of making lobular internally and externally threaded insert |
Oct. 9, 1979 |
| 4096722 |
Roll-type thread cutting die |
Jun. 27, 1978 |
| 3975788 |
Method of forming a threaded female fastener |
Aug. 24, 1976 |
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