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Class Information
Number: 72/155
Name: Metal deforming > By deflecting successively-presented portions of work during bodily movement thereof (e.g., for coiling, levelling, curving or troughing material in movement) > By use of work-contacting wiper and moving, work-holding form > And means to urge wiper toward form surface
Description: Subject matter including means for biasing the wiper toward the form.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7536890 |
Acute angle metal stock bender |
May. 26, 2009 |
| 7500372 |
Bending machine with a controlled-return bending die |
Mar. 10, 2009 |
| 7254972 |
Moving mold mechanism of a pipe bending machine |
Aug. 14, 2007 |
| 7080450 |
Apparatus for terminating wire assemblies |
Jul. 25, 2006 |
| 6170310 |
Transmission shaft of a movable arm of a pipe bender |
Jan. 9, 2001 |
| 5937687 |
Safety clamp |
Aug. 17, 1999 |
| 5927124 |
Apparatus for bending and cutting tubing, and method of using same |
Jul. 27, 1999 |
| 5875667 |
Apparatus for forming a slightly open shell for loading of product |
Mar. 2, 1999 |
| 5862697 |
Tube bending apparatus, and methods of constructing and utilizing same |
Jan. 26, 1999 |
| 5819574 |
Hydraulic device for bending work and a bending device with the hydraulic device mounted thereon |
Oct. 13, 1998 |
| 5682781 |
Method for controlling a pipe bending machine |
Nov. 4, 1997 |
| 5678441 |
Bending machine for elongate workpieces |
Oct. 21, 1997 |
| 5367897 |
Apparatus for forming a pipe from a sheet metal plate |
Nov. 29, 1994 |
| 5343725 |
Tube bending apparatus and method |
Sep. 6, 1994 |
| 5301530 |
Tube bending apparatus |
Apr. 12, 1994 |
| 5263350 |
Multi-function pipe bending machine |
Nov. 23, 1993 |
| 5245849 |
Apparatus for forming a pipe from a sheet metal plate |
Sep. 21, 1993 |
| 5022249 |
Portable manually-controlled three-speed pipe-bending machine |
Jun. 11, 1991 |
| 4941338 |
Device for cold forming of ferrous and non-ferrous metal sections |
Jul. 17, 1990 |
| 4546632 |
Portable conduit bending apparatus |
Oct. 15, 1985 |
| 4318289 |
Pipe cutting method and apparatus |
Mar. 9, 1982 |
| 4269054 |
Bending method |
May. 26, 1981 |
| 4201073 |
Reaction bender for pipe |
May. 6, 1980 |
| 4178788 |
Adjustable clamp die |
Dec. 18, 1979 |
| 4167865 |
Hand-operated bender apparatus |
Sep. 18, 1979 |
| 4130004 |
Method for bending tubes |
Dec. 19, 1978 |
| 4126030 |
Retractable pressure die |
Nov. 21, 1978 |
| 4112728 |
Device for bending pipes |
Sep. 12, 1978 |
| 4078411 |
Floating clamp die |
Mar. 14, 1978 |
| 4063441 |
Apparatus for bending tubes |
Dec. 20, 1977 |
| 4003233 |
Bending and straightening mechanism for mine roof bolts |
Jan. 18, 1977 |
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