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Patent No. 5926857

Armor With Rollers

An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.

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Class 72/291 - Maintaining a "straight-line-draw"


Subclass of Class 72 - Metal deforming
Definition: Subject matter including structure which prevents the work
No. of patents: 18
Last issue date: 05/10/2011


NumberTitleIssue Date
7937980Drawing machine and method for drawing an elongated workpiece
A method for the drawing of a longitudinal workpiece wherein drawing forces required for the drawing are applied by means of at least a sprocket chain comprising link plates wherein the drawing forces are introduced from the workpiece via the link plates into the sp...
05/10/2011
7275405Straight drawing machine
Rectilinear drawing machine for drawing material, especially bars, pipes or sections, with at least two movable drawing cars which are driven on a path, one run being assigned to each drawing car, and the runs can be fixed in a variable manner. ...
10/02/2007
7096706Drawing apparatus and method of operating same
A single carriage of the drawing apparatus for pulling a continuous metal workpiece through a drawing die is displaceable back and forth by a linear electronic motor drive. A coil forms a supply upstream of the die which can pay off a length of the workpiece to form...
08/29/2006
7073363Method for processing drawn material and drawn material production installation
In order to increase safety with regard to methods for processing drawn materials, the invention proposes a method for processing drawn materials, especially rod- and tube-shaped metal drawn materials in which the drawn material is drawn through drawing dies using a...
07/11/2006
6715332Method of drawing metal workpieces and drawing unit for a drawing machine
A drawing apparatus for drawing metal and articles has at last one drawing carriage and a linear motor complex which determines the pattern of movement of that carriage and hence of the drawing operation. ...
04/06/2004
6688152Modular drawing apparatus and drawing
A drawing apparatus is assembled from modular units utilizing modular path-forming members and holder modules which can carry the drawing die and drawing carriages shiftable on the guide modules. The drives for the carriages are individual linear motors w...
02/10/2004
6647755Method for manufacturing small diameter medical devices
An apparatus and method for manufacturing small diameter ultrasonic probes capable of vibrating in a transverse mode that can be used in ultrasonic tissue ablation. The apparatus includes a die, a style puller which is used to engage a functional end of t...
11/18/2003
6079248Drawing process and machine
According to the invention, a drawing carriage is made to execute a forward stroke and a return stroke alternately, along longitudinal guides on a drawing bench, between two opposite drawing heads, each disposed in one end area of the said bench and each ...
06/27/2000
5855136Process and device for threading elongated metal workpieces, especially tubes, into a drawing apparatus
A process and a device for threading elongated tubes into a drawing apparatus for cross-sectional reduction in at least one drawing step by means of at least two successive drawing units that grasp the workpiece at the outer circumference with revolving d...
01/05/1999
5809823Method and apparatus for feeding a tubular workpiece into a drawing unit
A method and apparatus for continuously feeding a generally tubular workpiece into a drawing unit of a continuous drawing machine without disadvantageously reducing the processing speed of the drawing machine. A workpiece having a reduced outer diameter d...
09/22/1998
5771727Process and device for straight-drawing long drawing material in multiple steps
A process for drawing stretched metal workpieces, especially tubes, for the purpose of cross-sectional reduction in more than one drawing step using at least two sequential drawing aggregates. The aggregates grip the workpiece on the outer periphery, with...
06/30/1998
5735159Assembly to expel bars
Assembly to expel bars which is associated with a bar production line (11) fed by a coiled roll (12), the bar production line (11) comprising in line a straightening and drawing assembly (13), an assembly (14) for shearing to size, a revolver-type storage...
04/07/1998
5724847Integrated wire feed and draw apparatus
Apparatus for feeding and optionally drawing wire to a forging machine or the like. The apparatus is a compact unit that conserves floor space and offers manufacturing economies by permitting the use of common components whether or not the optional drawin...
03/10/1998
5676011Precious metal wire drawing apparatus
Wire drawing apparatus for ease in manually drawing precious metal wire is formed by an elongated base having a forward end portion transversely supporting a draw plate through which wire stock may be drawn and a downturned rearward end portion having a p...
10/14/1997
5255551Precious metal wire drawing machine and method
A motorized wire-drawing machine for manufacturing precious metal wire. A clasp plate is slidably supported by two support rods extending from the draw plate support block to a motor support block. Mounted parallel to the support rods and passing through ...
10/26/1993
4860568Tubular material drawing apparatus for manufacturing precision tube
A tubular material drawing apparatus for manufacturing precision tubes comprises a plug set device, provided to a back bench, for holding a plug rod in a horizontal state, a travel base to be movable backward with respect to the back bench in a horizontal...
08/29/1989
4313329Unloading apparatus
An axial discharge apparatus for use with a drawbench or an extrusion press includes a plurality of shiftable forks aligned for reception of drawn or extruded stock and a plurality of powered rollers disposed therebelow. The forks receive one or more leng...
02/02/1982
4096726Method and apparatus for drawing tubes
The invention relates to an improved method and apparatus for tube drawing which relates to the use of a floating plug and die arrangement, the necessary draughting tension in the tube being drawn being generated by a rotatable tube block around which the...
06/27/1978
 
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