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Class Information
Number: 72/312
Name: Metal deforming > By use of non-deforming work-gripping clamp and relatively movable clamp, tool or work-forcer > With interrelated clamp closer and tool mover
Description: Subject matter wherein means to move one or move of said clamp jaws or surface elements to effective (i.e., work-gripping) positions, cooperates significantly with the means to move said movable instrumentality.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7363794 |
Bearing structure and press molding apparatus having the structure |
Apr. 29, 2008 |
| 7237420 |
Device for the plastic deformation of work pieces |
Jul. 3, 2007 |
| 7204118 |
Hemming tool die assembly |
Apr. 17, 2007 |
| 7178374 |
Press forming apparatus for fuel cell metal separator |
Feb. 20, 2007 |
| 7124612 |
Crimping blade profile |
Oct. 24, 2006 |
| 7124491 |
Hemming apparatus and method using a horizontal motion for actuating the die sets |
Oct. 24, 2006 |
| 6968721 |
Method of manufacturing blade retainer and manufacturing devices therefor |
Nov. 29, 2005 |
| 6923036 |
Hemming apparatus and method |
Aug. 2, 2005 |
| 6907763 |
Method for hemming |
Jun. 21, 2005 |
| 6804981 |
Flanging device for pre-flanging and flanging of components |
Oct. 19, 2004 |
| 6739169 |
Method for hemming |
May. 25, 2004 |
| 6708548 |
Device for forming an end area of a workpiece |
Mar. 23, 2004 |
| 6705150 |
Method of making a raised panel door section for a garage door |
Mar. 16, 2004 |
| 6672121 |
Flat pinch hemming of aluminum panels |
Jan. 6, 2004 |
| 6644088 |
Apparatus for flanging metal sheets |
Nov. 11, 2003 |
| 6640601 |
Electric hemming press |
Nov. 4, 2003 |
| 6640599 |
Tool for automatic roll folding |
Nov. 4, 2003 |
| 6612146 |
Hemming machine with movable die cartridges |
Sep. 2, 2003 |
| 6578401 |
Hemming machine |
Jun. 17, 2003 |
| 6526797 |
Negative-angle forming die |
Mar. 4, 2003 |
| 6523386 |
Negative-angle forming die |
Feb. 25, 2003 |
| 6519995 |
Rotary cam driving apparatus for negative-angle forming die |
Feb. 18, 2003 |
| 6508097 |
Modular system for expanding and reducing tubing |
Jan. 21, 2003 |
| 6467324 |
Die hemming assembly and method |
Oct. 22, 2002 |
| 6398096 |
Hydraulic drive mechanism for a joining tool |
Jun. 4, 2002 |
| 6378348 |
Hemming process and hemming apparatus |
Apr. 30, 2002 |
| 6189360 |
Metal forming machine |
Feb. 20, 2001 |
| 6170313 |
Process to produce indentations in tubes together with the tube produced by the use of this process |
Jan. 9, 2001 |
| 6098440 |
Device for hemming of sheet metals particularly of coachwork sheet metals for small-lot production series in automobile manufacture |
Aug. 8, 2000 |
| 6029493 |
Device for hemming of sheet metals, particularly of coachwork sheet metals in automobile manufacture |
Feb. 29, 2000 |
| 5970766 |
Bending machine for closing channels |
Oct. 26, 1999 |
| 5960664 |
Channel forming and punching machine |
Oct. 5, 1999 |
| 5941110 |
Adaptive method and apparatus for forming tailor welded blanks |
Aug. 24, 1999 |
| 5752405 |
Automatic crimping tool |
May. 19, 1998 |
| 5746083 |
Hemming machine |
May. 5, 1998 |
| 5647243 |
Device for hemming elements of pressed sheet metal |
Jul. 15, 1997 |
| 5632178 |
Method and apparatus for forming a T-shaped slot in a sheet material |
May. 27, 1997 |
| 5333482 |
Method and apparatus for flattening portions of a corrugated plate |
Aug. 2, 1994 |
| 5134872 |
Tube end expander device |
Aug. 4, 1992 |
| 5123270 |
Bending unit of a machine for bending metal sheets |
Jun. 23, 1992 |
| 5086638 |
Drive mechanism for a hemming apparatus |
Feb. 11, 1992 |
| 5019005 |
Method for the fabrication of a direct-heated cathode structure and an apparatus therefor |
May. 28, 1991 |
| 4922742 |
Apparatus for precision forming of sheet metal parts |
May. 8, 1990 |
| 4891964 |
Tool for the final forming of connector pipes |
Jan. 9, 1990 |
| 4873858 |
Manufacture of wire binding elements |
Oct. 17, 1989 |
| 4715210 |
Method for making steering rack bars |
Dec. 29, 1987 |
| 4706489 |
Single station hemming tooling |
Nov. 17, 1987 |
| 4696327 |
Band finishing tool |
Sep. 29, 1987 |
| 4606213 |
Tool for producing bends in curved surfaces |
Aug. 19, 1986 |
| 4571982 |
Apparatus for making steering rack bars |
Feb. 25, 1986 |
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