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Class 72/156 - And interrelated means to move form and gripper element thereon


Subclass of Class 72 - Metal deforming
Definition: Subject matter wherein (a) the work-holding means and the
No. of patents: 9
Last issue date: 06/26/2007


NumberTitleIssue Date
7234333Machine for bending rod-shaped or tubular workpieces
On a machine for bending rod-shaped or tubular workpieces, which includes a bending head having a bending mandrel mounted on a rotational axis and rotatable by means of a rotary drive, and having a clamping device for pressing the workpiece to be bent against a form...
06/26/2007
7181947Bending machine with a compact bend arm
A bending machine with a compact bend arm includes in a bend arm (4) being mounted on a rotating spindle (3) a cylinder which is fed with a pressured fluid through hoses (7) being part of a hydraulic circuit connected to a source of pressured fl...
02/27/2007
7080450Apparatus for terminating wire assemblies
A machine for terminating wire assemblies comprising: a means for holding a wire assembly; a linear movement means for moving said means for holding between a first area and a second area; an insertion head; and, a means for dislodging; wherein, after a wire assembl...
07/25/2006
7010951Feeding mechanism of an automatic pipe bending machine
A feeding mechanism of a pipe bending machine is equipped with several auxiliary hydraulic cylinders in addition to an original power source for providing power to feed a pipe; the auxiliary hydraulic cylinders are joined to an auxiliary fixing member at output rods...
03/14/2006
5875667Apparatus for forming a slightly open shell for loading of product
A substantially rectangular metal blank (18) is formed about a mandrel (14) to provide a slightly open shell (28) having a pair of axially extending lips (20c, 20t) separated by a distance sufficient to permit a prewound spool (10) and its film leader or ...
03/02/1999
4428216Tube bender
A new and useful device for producing bends in metal tubing by containing the tubing in a form and rotating the form against a fixed shoe thereby bending and swagging the tubing to the shape of the form. The form being rotated by a ratchet and pawl mechan...
01/31/1984
4269054Bending method
A rotary pipe bending machine employs a single hydraulic motor to drive clamp and pressure dies toward the bend die and to rotate the bend and clamp dies. The motor piston is connected via a chain to drive a clamp die carrier toward a rotatably mounted be...
05/26/1981
4201073Reaction bender for pipe
A rotary pipe bending machine employs a single hydraulic motor to drive clamp and pressure dies toward the bend die and to rotate the bend and clamp dies. The motor piston is connected via a chain to drive a clamp die carrier toward a rotatably mounted be...
05/06/1980
4112728Device for bending pipes
The device bends pipes into a serpentine pipe bank having right-hand and left-hand bends, with the pipe being held, during the bending operation, in a bending rail and the pipe end to be bent being clamped in a bending form. The bending rail and the bendi...
09/12/1978
 
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