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Class Information
Number: 72/173
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 deflectors arranged to bend work longitudinally of direction of work-movement > Including three concurrently-acting delta-arranged deflector elements > Including adjustable element
Description: Subject matter wherein the position of at least one of the members relative to the other member(s) may be altered.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7337642 |
Roll-former apparatus with rapid-adjust sweep box |
Mar. 4, 2008 |
| 7325427 |
Machine for bending of long products and a method to control such a machine |
Feb. 5, 2008 |
| 7213431 |
Method of manufacturing an aluminum alloy wheel |
May. 8, 2007 |
| 7076979 |
Method and device for producing curved lengths of spring band steel |
Jul. 18, 2006 |
| 7040127 |
Method and device for forming a pipe |
May. 9, 2006 |
| 6843092 |
Architectural panel arching device |
Jan. 18, 2005 |
| 6820451 |
Sweep forming assembly and method |
Nov. 23, 2004 |
| 6725700 |
Bending device and control method thereof |
Apr. 27, 2004 |
| 6662613 |
Long member bending apparatus |
Dec. 16, 2003 |
| 6339946 |
Pipe forming apparatus and method |
Jan. 22, 2002 |
| 6298704 |
Portable bending apparatus having transaxial workpiece loading |
Oct. 9, 2001 |
| 6253591 |
Method and apparatus for bending a metallic flanged member |
Jul. 3, 2001 |
| 6189354 |
Method and modular-multistation device for folding profiles |
Feb. 20, 2001 |
| 6185969 |
Machine for bending tubes with small diameter |
Feb. 13, 2001 |
| 6173598 |
Modular multipurpose bending machine and its linear positioning system |
Jan. 16, 2001 |
| 6092407 |
Ring bending machine |
Jul. 25, 2000 |
| 6079246 |
Universal machine for bending pipes or section bars to both fixed and variable curvatures |
Jun. 27, 2000 |
| 6044675 |
Roll bending machine with selective digital control device |
Apr. 4, 2000 |
| 5927125 |
Methods and apparatus for manufacturing helical products |
Jul. 27, 1999 |
| 5890386 |
Process and plate roll bending machine |
Apr. 6, 1999 |
| 5884517 |
Bending device |
Mar. 23, 1999 |
| 5862698 |
Bending device |
Jan. 26, 1999 |
| 5704242 |
Universal ring bender |
Jan. 6, 1998 |
| 5632174 |
Metal bending machine |
May. 27, 1997 |
| 5499521 |
Tube bender apparatus |
Mar. 19, 1996 |
| 5450739 |
Needle curver with automatic feed |
Sep. 19, 1995 |
| 5431035 |
Hydraulic pipe bender of large dimension |
Jul. 11, 1995 |
| 5425258 |
Needle curving apparatus |
Jun. 20, 1995 |
| 5388441 |
Needle curver with automatic feed |
Feb. 14, 1995 |
| 5337591 |
Machine and method of making duct coupling |
Aug. 16, 1994 |
| 5218850 |
Roll bending machine |
Jun. 15, 1993 |
| 5187959 |
Programmable plate bending machine |
Feb. 23, 1993 |
| 5161401 |
Apparatus for producing bent sections in hollow profile strips |
Nov. 10, 1992 |
| 5115658 |
Shaping machine for cylindrically bending a plate |
May. 26, 1992 |
| 5068963 |
Piston rings |
Dec. 3, 1991 |
| 5036688 |
Fender forming system |
Aug. 6, 1991 |
| 5007269 |
Wire bending device |
Apr. 16, 1991 |
| 4977940 |
Device for straightening boards |
Dec. 18, 1990 |
| 4977770 |
Automatable bending machine having crenelated rolls |
Dec. 18, 1990 |
| 4910984 |
Progressive roll bender |
Mar. 27, 1990 |
| 4893489 |
Drive system for a bending machine |
Jan. 16, 1990 |
| 4850212 |
Bending apparatus |
Jul. 25, 1989 |
| 4796449 |
Automatically controlled machine for rolling metal sheets |
Jan. 10, 1989 |
| 4770017 |
Apparatus for forming plate with a double-curved surface |
Sep. 13, 1988 |
| 4761979 |
Roller bending apparatus equipped with a curvature measuring unit |
Aug. 9, 1988 |
| 4726210 |
Method and apparatus for making can bodies from sheets |
Feb. 23, 1988 |
| 4723431 |
Method for manufacturing formed metal |
Feb. 9, 1988 |
| 4619131 |
Method for bending sheets |
Oct. 28, 1986 |
| 4367640 |
Apparatus for forming sheet metal duct work |
Jan. 11, 1983 |
| 4232540 |
Controlled variable radius roll forming apparatus |
Nov. 11, 1980 |
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