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7007529 |
Pressing machine
A press forming machine having a slide plate which reciprocates by driving sources between a lower support stand and an upper support plate and has a forming space between the lower support stand...
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6802112 |
Method for making a pressure-tight attachment of an elastomeric tubular piece to a connecting part
The invention is directed to a method for making a pressure-tight attachment of an elastomeric tubular piece to an attachment part. For making the pressure-tight attachment, an open end of a...
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6457338 |
Pressing tool with pressing jaws
The invention relates to a pressing tool ( 1 ) with pressing levers ( 2 ) which are connected to one another by a connecting link plate ( 7, 8 ) such that they can be rotated in a tong-like manner...
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6349582 |
Die system for full enclosed die forging
A die system for full enclosed die forging with an enclosed cavity ( 1 a , 2 a ) is formed between an upper die ( 1 ) attached to the side of a slide ( 6 ) and a lower die ( 2 ) mounted to the side...
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5868021 |
Method and apparatus for pressing a press-fit element onto a cord and measuring the longitudinal extension of the press-fit element
In a method for binding rope- or cable-type cords with press-fit elements (13), the press-fit element (13) is placed over the cord, and the cord and press-fit element (13) are compressed radially...
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5622069 |
Stamping die with attached plc
A metal stamping die for a punch press is provided that has a programmable logic microcontroller fixed directly to the die body of the stamping die. The programmable logic microcontroller is...
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5540073 |
Method and apparatus for adjusting press operating conditions depending upon dies used
Method and apparatus applicable to a press using a die set including a lower and an upper die which are removably installed movably towards and away from each other to perform a pressing operation...
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5490406 |
Crimping tool having die bottoming monitor
A crimping apparatus includes a pair of relatively movable jaws (22) carrying a mating pair of crimping dies (25). Stop surfaces (30) on respective ones of the jaws are in abutting relationship...
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5357780 |
Press slide locking apparatus
An installable slide locking apparatus is installable on a press mechanism so as to lock a press slide of the press mechanism in any of a plurality of positions. The press mechanism includes a gear...
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4936126 |
Press brake with a displacement sensor of electric signal output
A press brake with a displacement sensor of an electric signal output has a base distance portion; a displacement sensor disposed opposite the base distance portion and having an electric signal...
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4860566 |
Method and apparatus for straightening a workpiece
The invention relates to a method and an apparatus for straightening a workpiece, especially a crankshaft, with a theoretical axis and at least one fillet running circularly about this axis, by...
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4793167 |
Roller swaging machine
A machine and method for roller swaging hydraulic fitting sleeves onto metallic tubing comprises a tapered roller mandrel expander driven at a first high speed for rapidly expanding the tubing and...
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4712406 |
Apparatus for bending tubular workpieces
A method and apparatus for bending tubular workpieces whereby a tube length is placed in front of a template and selectively driven deforming shoes urge the tube into engagement with the same....
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4683014 |
Mechanical stress improvement process
A process is claimed for removing the residual tensile welding stresses in the inner layer of the weld metal and the heat-affected zone of steel piping elements that have been butt-welded to each...
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4658616 |
Automatic roller swage machine
A machine and method for roller swaging hydraulic fitting sleeves onto metallic tubing comprises a tapered roller mandrel expander driven at a first high speed for rapidly expanding the tubing and...
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4640113 |
Sheet-bending press incorporating a device for continuous monitoring of the bending angle
A press has an upper table carrying a punch and a lower table bearing a tool-carrier. A jack for compensating the deflection inherent in the bending process is fitted in the lower table. The...
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4627266 |
Spindle press with continuously rotating flywheel
A spindle press of the type in which an inertial mass controls the clutch connecting a continuously rotatable flywheel with the spindle and is effective when the ram is retarded to decouple the...
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4606217 |
Screw press having a shifting coupling and a continuously rotating flywheel
The invention is a shifting mechanism for a screw press. The screw press includes a shifting coupling for the press spindle, a drive mechanism for continuously rotating a flywheel, a coupling...
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4604890 |
Compression tool
A compression tool comprises a tool head and a pair of dies mounted in the tool head for compressingly, surroundingly engaging a generally tubular workpiece. The dies define a minimum opening and a...
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4594867 |
Sheet bending machine
A sheet bending machine wherein a sheet of metal is fixed between a clamping beam and a lower beam mounted with interchangeable folding rails and wherein the bending is performed by a bending beam...
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4583390 |
Apparatus for squeezing off and rerounding pipe
Apparatus for squeezing off pipe and then for rerounding the squeezed off pipe includes a frame having a fixed portion and a movable portion which utilize a pair of pins for squeezing off the pipe....
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4502307 |
Wire bending machine
The invention relates to a wire bending machine which incorporates an hydraulically actuated bending tool-slide or pusher. According to this invention the total stroke of the pusher is subdivided...
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4501135 |
Stress sensor for yield-point detection in a stretch press
A system for sensing tensile stress in a metal sheet being stretch formed between gripping jaws in a stretch press. Reaction force of the stressed sheet causes elastic deformation of each jaw, and...
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4418562 |
Control device for a small press
A control device for a small press is provided with means preventing overloading of the drive motor, a timer for detecting when an operational cycle of the press has exceeded a normal value, and a...
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4223543 |
Small size, portable bender
A small size, portable bender operable from a domestically available A.C. source of the order of 100 V having the drive shaft turned through the intermediary of a clutch from a motor to perform a...
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4187708 |
Pulling apparatus and method
A hand-tool housing a pneumatic and a hydraulic piston joined together with a common piston rod, and separated into an air chamber and a hydraulic chamber by a stationary divider through which the...
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4078407 |
Reshaping of components of ductile materials
In order to accurately control a process in which a structural component of ductile material is subjected to a change in shape by the application of a progressively increasing deformation force...
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4019356 |
Apparatus for the cold working of bar stock
A machine bed supports stationary and rotary fixing means that are aligned for receiving bar stock therebetween. Electrical or electromechanical control means are provided for selecting and...
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3945230 |
Process for automatically interchanging die assemblies in a metal working press and apparatus therefor
Process and apparatus are disclosed for automatically interchanging die assemblies in a metal working press having a pair of moving bolsters to be used alternately in the press. An initial...
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3888097 |
Machine having a drive shaft and a method of operation
A control system is provided for slowing down the crankshaft of a high speed machine, such as a mechanical press, when it is operated at a high speed to permit it to be stopped at a predetermined...
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3880605 |
MANUFACTURE GAS PROPELLED DISPENSERS
Method for manufacturing a gas propelled dispenser having a valve with a stem accurately placed at a desired position with respect to the cannister thereof by assembling a dispenser with a...
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3861184 |
BENDING APPARATUS FOR FORMING ELBOWS AND THE LIKE
In bending apparatus for forming elbows and the like there is provided a movable ram for advancing the tube and adjacent adjustable crimping dies for crimping the tube. A stepping advance mechanism...
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3835687 |
DEVICE FOR DETECTING A BEND ANGLE UPON PRECISELY BENDING A METALLIC PIPE
A device for detecting a bend angle upon precisely bending a metallic pipe to be used in a method for bending a pipe in which precise bending is achieved by detecting a deviation of a distance...
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3740984 |
SPRING-COILING MACHINE
An automatic, spring-coiling machine of the gear-segment type in which the wire is fed into engagement with the coiling tools on each feed-stroke of the gear segment and having a cutter for...
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3713312 |
METHODS AND APPARATUS FOR STRAIGHTENING OR BLENDING ELONGATED WORKPIECES
A method of straightening an elongated workpiece, in which the workpiece is supported at two spaced points and straightening forces are applied between these points by an automatically controlled...
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3683654 |
APPARATUS FOR CALIBRATING THERMOSTATIC SWITCHES
To calibrate a normally-closed thermostatic switch of the type having a bimetallic switch arm fastened at one end to the inside of the switch housing, the switch is placed in an oven beneath...
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3504512 |
APPARATUS FOR CONTROLLING A MANIPULATOR IN ASSOCIATION WITH A FORGING PRESS
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3485072 |
PRESS CONTROL SYSTEM
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3485071 |
MULTIPLE STROKE DEPTH SELECTOR FOR HYDRAULIC PRESS BRAKES
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3456466 |
CONTROL FOR MACHINE TOOLS
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3451236 |
CONTROL FOR PRESS BRAKE
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3440847 |
BENDING MACHINE
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3431758 |
POWER BENDING MACHINE AND CONTROL MEANS THEREFOR
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3393544 |
Automatic control for clutch and brake for press brake
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3393543 |
Rod bending apparatus
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3387474 |
Coin operated amusement device
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3384131 |
Power-operated strapping tool
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3310854 |
Automatic height control means for block molding machines
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3165140 |
Multiple stop device for press brakes and the like
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3151590 |
Apparatus for shaping hollow objects
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