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Class Information
Number: 72/179
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 deflector arranged to bend work transversely of direction of work movement (e.g., troughing) > Including complementary roller-couple
Description: Subject matter wherein the instrumentality includes two noncylindrical rollers disposed so that their axes lie in a common plane and work passes through (intersects) said plane between work-engaging surfaces of the rollers, and wherein, at that plane, the surface of one roller interfits (or tends to interfit) with the surface of the other roller.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6572721 |
Method of manufacturing automotive sunshade panel |
Jun. 3, 2003 |
| 6112568 |
Roll forming using turret punch press |
Sep. 5, 2000 |
| 6044679 |
Method for machining metal plate |
Apr. 4, 2000 |
| 6041632 |
Pipe forming roll apparatus and method |
Mar. 28, 2000 |
| 5974849 |
Corner bead strip tool |
Nov. 2, 1999 |
| 5701655 |
Method and apparatus for making brake shoes |
Dec. 30, 1997 |
| 5682782 |
Workpiece-deforming tool and die for use in a punch press |
Nov. 4, 1997 |
| 5575168 |
Workpiece-deforming tool and die for use in a punch press |
Nov. 19, 1996 |
| 5555759 |
Workpiece-deforming tool and die for use in a punch press |
Sep. 17, 1996 |
| 5269205 |
Circular saw blade straightening machine |
Dec. 14, 1993 |
| 5107695 |
Roll former and/or cutter with quick automated tool |
Apr. 28, 1992 |
| 4977769 |
Rolling machine with exchangeable rolling tools |
Dec. 18, 1990 |
| 4974435 |
Roll formed with quick automated tool changer |
Dec. 4, 1990 |
| 4852430 |
Band saw straightening apparatus |
Aug. 1, 1989 |
| 4790166 |
Round collar maker |
Dec. 13, 1988 |
| 4787231 |
Roller machine for profile cold bending |
Nov. 29, 1988 |
| 4776194 |
Pipe mill |
Oct. 11, 1988 |
| 4689261 |
Rounded corrugated sheet and method and apparatus for its manufacture |
Aug. 25, 1987 |
| 4663957 |
Roll stand for a cold forming apparatus |
May. 12, 1987 |
| 4660399 |
Mobile roll-forming machine |
Apr. 28, 1987 |
| 4578978 |
Roll forming apparatus |
Apr. 1, 1986 |
| 4483167 |
Forming rolls for use in the fabrication of welded tubes |
Nov. 20, 1984 |
| 4299643 |
Method of making a hinged display mount |
Nov. 10, 1981 |
| 4251973 |
I-Beam construction and process therefor |
Feb. 24, 1981 |
| 4238550 |
Dunnage bar and method of making it |
Dec. 9, 1980 |
| 4173879 |
Method and apparatus for forming a metal strip |
Nov. 13, 1979 |
| 4148206 |
Tube welding machine with exchangeable rolls |
Apr. 10, 1979 |
| 4145905 |
Method and apparatus for controlling bow in venetian blind slats |
Mar. 27, 1979 |
| 4064727 |
Roll forming machine |
Dec. 27, 1977 |
| 4030330 |
Multiple roll recorrugator |
Jun. 21, 1977 |
| 4010298 |
Underground irrigation devices and methods of making and using the same |
Mar. 1, 1977 |
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