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Class Information
Number: 72/154
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 > Including backed-up, travelling wiper (e.g., follow bar)
Description: Subject matter wherein the wiper comprises a first element engaging the surface of the work and moving therewith either along or parallel to the course of movement thereof, and a second element applying force at right angles to both the course and the axis-of-bend*, the second element thereby urging the first element into engagement with the workpiece.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7143629 |
Manual pipe bender |
Dec. 5, 2006 |
| 7032422 |
Pipe bending processing apparatus and pipe bending processing method |
Apr. 25, 2006 |
| 6715328 |
Bracing device for a bending machine |
Apr. 6, 2004 |
| 5687601 |
Group for clamping and dragging a pipe or rod for pipe benders with or without an inner mandrel and rod benders, and machines for clamping mechanical parts in general |
Nov. 18, 1997 |
| 5469728 |
Shaped groove countermatrix for rotary groove pulley matrix and countermatrix bending head pipe bending machines |
Nov. 28, 1995 |
| 5345802 |
Shaped groove countermatrix for rotary groove pulley matrix and countermatrix bending head pipe bending machines |
Sep. 13, 1994 |
| 5339670 |
Apparatus and method for bending tubing |
Aug. 23, 1994 |
| 4959984 |
Precision bending apparatus |
Oct. 2, 1990 |
| 4938048 |
Guide strip control device of pipe bending machine |
Jul. 3, 1990 |
| 4747283 |
Boosted drive for pressure die of a tube bender |
May. 31, 1988 |
| 4744233 |
Apparatus for bending rectangular tubes |
May. 17, 1988 |
| 4537052 |
Follow bar with cam tracks for rocker type conduit bender |
Aug. 27, 1985 |
| 4318289 |
Pipe cutting method and apparatus |
Mar. 9, 1982 |
| 4178788 |
Adjustable clamp die |
Dec. 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 |
| 3987656 |
Pipe bending apparatus |
Oct. 26, 1976 |
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