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Class Information
Number: 72/386
Name: Metal deforming > By relatively movable offset tool-faces (e.g., for bending or drawing) > With tool motion in fixed path
Description: Device wherein the means to move or guide said movable tool is effective to restrict the motion of said tool to the same path during all operations of the class type.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7490501 |
Method of processing formed product, and metal cope and metal drag used for the method |
Feb. 17, 2009 |
| 7080540 |
Forming tool for forming the undulating heat exchanger surfaces of a heat exchanger via cold bending of a sheet and a method for the realization of the forming profile of such a tool |
Jul. 25, 2006 |
| 6792785 |
Contact surface structure of bending die |
Sep. 21, 2004 |
| 6660114 |
Method for producing a hybrid leaf spring |
Dec. 9, 2003 |
| 6474125 |
Hemming machine with dual ball screw drive |
Nov. 5, 2002 |
| 6128941 |
Pipe bending machine |
Oct. 10, 2000 |
| 5979208 |
Inside perimeter hemmer |
Nov. 9, 1999 |
| 5953951 |
Method and apparatus for manufacturing bent products |
Sep. 21, 1999 |
| 5934132 |
Offset bender for tubing |
Aug. 10, 1999 |
| 5765427 |
Bending press for sheet metal |
Jun. 16, 1998 |
| 5640873 |
Punch and die assembly |
Jun. 24, 1997 |
| 5481896 |
Knife bending apparatus |
Jan. 9, 1996 |
| 5353622 |
Articulated three point pipe bending apparatus |
Oct. 11, 1994 |
| 5222384 |
Reciprocal conduit bender |
Jun. 29, 1993 |
| 5125825 |
Plastic pipe bender |
Jun. 30, 1992 |
| 5117669 |
Apparatus for bending hollow profile strips |
Jun. 2, 1992 |
| 5032347 |
Device and method for straightening the guide fins of the spacer grids of a fuel assembly of a nuclear reactor |
Jul. 16, 1991 |
| 4920779 |
Bending apparatus |
May. 1, 1990 |
| 4805439 |
Work following apparatus and method for press working |
Feb. 21, 1989 |
| 4753099 |
Bending press for sheet metal |
Jun. 28, 1988 |
| 4735076 |
Process for the production of a conical shell using sheet metal bending rolls |
Apr. 5, 1988 |
| 4700439 |
Driveshaft fabricating apparatus |
Oct. 20, 1987 |
| 4646553 |
Press for cultivator shank |
Mar. 3, 1987 |
| 4570474 |
Apparatus for bending metal plate in widthwise direction |
Feb. 18, 1986 |
| 4506535 |
Device having power means for re-arching or de-arching a leaf spring |
Mar. 26, 1985 |
| 4485664 |
Device for forming and bending metal |
Dec. 4, 1984 |
| 4464920 |
Machine for roller forming metal louvers |
Aug. 14, 1984 |
| 4453396 |
Hemming apparatus |
Jun. 12, 1984 |
| 4450705 |
Heat exchanger plate having distortion resistant uniform pleats |
May. 29, 1984 |
| 4446711 |
U-Bolt bender |
May. 8, 1984 |
| 4236289 |
Apparatus and method for fabricating pulleys |
Dec. 2, 1980 |
| 4175419 |
No-size squeezing of 180 degree boiler-tube return bends |
Nov. 27, 1979 |
| 4142394 |
Apparatus for forming circularly bent articles from a straight profiled strip |
Mar. 6, 1979 |
| 4117709 |
Camber adjusting tool |
Oct. 3, 1978 |
| 4114418 |
Material handling means |
Sep. 19, 1978 |
| 4103531 |
Method and apparatus for correcting bent strut misalignment |
Aug. 1, 1978 |
| 4050333 |
Method of setting saw teeth and device for realization thereof |
Sep. 27, 1977 |
| 4031733 |
Apparatus for bending tubular members |
Jun. 28, 1977 |
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