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Class Information
Number: 72/171
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 > And additional work-deflecting or work-constraining element
Description: Subject matter including use of a member additional to such three members (defined in and required by subclass 170) which additional member engages the work and guides, or deflects, or supports the work as it is acted upon by the three members.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7065999 |
Bending roll apparatus |
Jun. 27, 2006 |
| 7065998 |
Control element adapted to prevent an external-flange angle iron from being twisted during its bending |
Jun. 27, 2006 |
| 6755066 |
Bending device for bending plastically deformable strip material |
Jun. 29, 2004 |
| 6189354 |
Method and modular-multistation device for folding profiles |
Feb. 20, 2001 |
| 6092407 |
Ring bending machine |
Jul. 25, 2000 |
| 5685186 |
Base curve bender |
Nov. 11, 1997 |
| 5592844 |
Process and apparatus for rounding sheet-metal blanks |
Jan. 14, 1997 |
| 5431035 |
Hydraulic pipe bender of large dimension |
Jul. 11, 1995 |
| 5431036 |
Needle curving apparatus |
Jul. 11, 1995 |
| 5243844 |
Process for producing curved sections in hollow profile strips |
Sep. 14, 1993 |
| 5218850 |
Roll bending machine |
Jun. 15, 1993 |
| 5161401 |
Apparatus for producing bent sections in hollow profile strips |
Nov. 10, 1992 |
| 4845971 |
Strap winding disposal device |
Jul. 11, 1989 |
| 4811581 |
Apparatus for preforming a substantially flat blank of an open clamp |
Mar. 14, 1989 |
| 4726210 |
Method and apparatus for making can bodies from sheets |
Feb. 23, 1988 |
| 4633698 |
Method for preforming a substantially flat blank of an open clamp |
Jan. 6, 1987 |
| 4549422 |
Cup and roll machine |
Oct. 29, 1985 |
| 4530226 |
Sweep-forming apparatus |
Jul. 23, 1985 |
| 4491004 |
Apparatus for manufacturing a metal pipe |
Jan. 1, 1985 |
| 4476194 |
Contour forming conical shapes |
Oct. 9, 1984 |
| 4304114 |
Process of rolling automobile rims |
Dec. 8, 1981 |
| 4294098 |
Apparatus for manufacturing steel spring leaves |
Oct. 13, 1981 |
| 4266417 |
Steel flanged wheel rims for motorized bicycles or two-wheeled vehicles and a process for producing the rims |
May. 12, 1981 |
| 4249406 |
Line pipe forming apparatus and method |
Feb. 10, 1981 |
| 4228672 |
Rotary notcher and former |
Oct. 21, 1980 |
| 4201074 |
Submersible pipe installation systems |
May. 6, 1980 |
| 4195509 |
Device for bending ring segment-shaped plate blanks into conically shaped parts |
Apr. 1, 1980 |
| 4151733 |
Method of producing thrust washers |
May. 1, 1979 |
| 4133197 |
Roll-type machine for forming cylindrical sheet metal bodies |
Jan. 9, 1979 |
| 4114432 |
Coil winding apparatus |
Sep. 19, 1978 |
| 4059215 |
Circular double-jacketed gasket with single joint |
Nov. 22, 1977 |
| 4041748 |
Method and apparatus for fabricating metal container |
Aug. 16, 1977 |
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