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Class Information
Number: 72/475
Name: Metal deforming > Tool and/or tool holder > Including tool couple or die couple (e.g., opposed die faces) > Having nonsymmetrical faces > Complementary faces
Description: Apparatus wherein the work-engaging surfaces of the tools conform to each other (with allowance for the presence of uniform-thickness work there-between).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7624609 |
Roll embossing of discrete features |
Dec. 1, 2009 |
| 7552612 |
Systems for making can ends |
Jun. 30, 2009 |
| 7353681 |
Roll embossing of discrete features |
Apr. 8, 2008 |
| 7240529 |
Partially reinforcing method and apparatus of metal material |
Jul. 10, 2007 |
| 7024907 |
Method and device for manufacturing a structured packing corrugation, and corresponding fluid-treatment apparatus |
Apr. 11, 2006 |
| 6907766 |
Lip forming tool for firearm magazines |
Jun. 21, 2005 |
| 6066048 |
Punch and die for producing connector plates |
May. 23, 2000 |
| 5752407 |
Agricultural sweep manufacturing process |
May. 19, 1998 |
| 4627258 |
Apparatus for impressing a strip along its edge |
Dec. 9, 1986 |
| 4519235 |
Louver tool |
May. 28, 1985 |
| 4450706 |
Method and apparatus for forming collimator strips |
May. 29, 1984 |
| 4424698 |
Tool for coining |
Jan. 10, 1984 |
| 4192170 |
Drawing die for making a pipe elbow |
Mar. 11, 1980 |
| 4182153 |
Watch spring bar kit |
Jan. 8, 1980 |
| 4177665 |
Cold flow forming |
Dec. 11, 1979 |
| 4158955 |
Depression forming tool |
Jun. 26, 1979 |
| 4072040 |
Pile straightener |
Feb. 7, 1978 |
| 4055981 |
Portable guardrail straightener for field use |
Nov. 1, 1977 |
| 4004447 |
Method and apparatus for coining and curving looped wire |
Jan. 25, 1977 |
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