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Class 72/28.1 - WITH USE OF SELF REGULATING CONTROL SYSTEM UTILIZING ELECTRICAL OR HYDRAULIC ENERGY


Subclass of Class 72 - Metal deforming
Definition: Subject matter comprising apparatus including, or method
No. of patents: 9
Last issue date: 09/23/2008


NumberTitleIssue Date
7426843Roll assembly for a pipe extrusion plant
A roll assembly and a pipe extrusion plant for producing pipes with a variable diameter, includes an extruder, an adjustable calibration device, and a cooling device, whereby a pipe to be produced is guided at least in part during the production process. In order to...
09/23/2008
7340930Method for securing a machine tool and opto-electronic sensor for carrying out such a method
The invention relates to a method for securing a machine tool comprising a first tool part that carries out work movements in the direction of a second tool part in order thereby to carry out a machining process on a workpiece, wherein an optoelectronic sensor monit...
03/11/2008
6389860Control system for a press brake
A press brake machine has a movable ram, a fixed bed, a drive for moving the ram toward and away from the bed, and a control system which controls movement of the ram. The control system includes an emitter which emits a beam of light and a detector assem...
05/21/2002
4773284Apparatus for constructing tools
Apparatus for constructing a press knife for cutting out sheet material such as leather, wherein machine instructions are generated containing data relating to a desired configuration of the press knife for cutting out a particular profile, the machine in...
09/27/1988
4736585Hydrostatic machine
An adjustable hydrostatic machine is connected to a pressure line with impressed system pressure. The pressure difference applied at the machine is set at a control valve so that the stroke volume of the machine in idling operation is set to an adjustment...
04/12/1988
4562754Methods for constructing cutting tools
Method for constructing a press knife for cutting out sheet material such as leather, wherein machine instructions are generated containing data relating to a desired configuration of the press knife for cutting out a particular profile, the machine instr...
01/07/1986
4281528Process for isothermally shaping a titanium-containing metal workpiece
There is provided an improved process for isothermal shaping of a titanium-containing workpiece in a hot die. A precoat lubricant composition including a glassy component and a solid lubricant such as graphite dispersed in an organic medium is applied to ...
08/04/1981
4197757Method and apparatus for the cold forming of metal
A method and apparatus for the cold forming of a metal billet into a desired geometrical configuration including the steps of feeding the billet into a die cavity while the cavity is open, closing one end of the die cavity with the billet confined therein...
04/15/1980
4161110Automatic control device for a bending machine
The invention relates to an automatic control device for a bending machine for use in the production of loops of bar or wire material for concrete reinforcement. The device includes a preselector for preselecting the type of loop required and determines t...
07/17/1979
 
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