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7454943 |
Articulated bending brake for sheet metal forming
A bottom tool/bending die for use in sheet metal forming. The bottom tool includes a pair of movable dies that provide substantially continuous support of a work piece as it is being deformed. Each...
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7337640 |
Propeller repair apparatus
A propeller repair apparatus suitable for repairing and changing the pitch of a propeller includes a first rail parallel to and spaced from a second rail. A tapered shaft extends upwardly between...
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7243523 |
Metal unit nesting machine
The invention is a machine, machine system, and method of using a machine that alters metal plates to enable rigid stacking of the metal plates. In a preferred embodiment, the machine system...
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7010950 |
Suspension component having localized material strengthening
A suspension component for an automobile, such as a stabilizer bar, is provided and includes at least one localized portion having a strengthened outer surface. The localized portion is positioned...
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6834525 |
Adjustable corrugation apparatus and method
An apparatus and method for forming corrugated contours in a sheet are provided. The apparatus includes at least three pairs of elongate dies that extend in a longitudinal direction. Each pair of...
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6769282 |
One-step offset bender
One-step offset bender for speed and accuracy in offsetting pipe or other materials. The offset bender ( 100 ) includes a base ( 110 ) on which is mounted a fixed shoe support ( 130 ) and a...
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6460395 |
System and method for bending a structural member
According to one embodiment of the invention, a system for bending a structural member includes a base, a pair of pivot plates rotationally coupled to the base, an actuator coupled between the pair...
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6450001 |
Method and apparatus for manufacturing thick-walled bent pipe
A method and apparatus for manufacturing a thick-walled bent pipe capable of manufacturing an elbow material for piping with higher size accuracy with use of a thick-walled pipe material are...
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6442836 |
Method of making folded fin
A method for forming a folded fin includes at least the following steps: providing a horizontal metallic strip; forming number of pairs of indents alternately in a top face and a bottom face of the...
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6370932 |
Folding apparatus for folding plates
A folding apparatus ( 10 ) includes a pair of dies ( 20 ) defining a recess ( 20 M) therebetween, a cushion pad ( 30 ) vertically movable in the recess, a pair of support blocks ( 40 ), a pair of...
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6321584 |
Method and machine for making folded fins for a heat sink
A method for making a folded fin for a heat sink comprises the steps of: preparing a metal plate; clamping the metal plate with three forming jigs in an initial position, the lower jig portion of...
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6314780 |
Method of manufacturing conductor segments of AC generator
A method of manufacturing a U-shaped conductor segment which has a U-shaped head and a pair of legs includes setting a straight conductor wire of a prescribed length on the outer peripheries of a...
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6263717 |
Press-forming die set including rotary cam having negative-angle forming portion and rotatable about vertical axis
A press-forming die set including a first die and a second die which are linearly movable in a press-forming direction for mutual engagement to form a negative-angle portion on a workpiece placed...
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6185975 |
Apparatus for cold bending of metal sheets for making elongated articles with predetermined profile
In an apparatus for cold bending a metal sheet for making an elongated article with a predetermined pro-file, supports are provided to receive opposite ends of the sheet being formed. A form, whose...
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6178799 |
Forming press and method for shaping angle-section workpieces
A forming press for L-shaped and T-shaped workpieces includes first and second press members relatively movable toward and away from each other along a first direction, a first forming die carried...
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6173599 |
Leaf spring straightening apparatus
An apparatus for straightening a U-shaped leaf spring wherein the spring includes a curved section having a concave side and a convex side and wherein the spring has a pair of elongated legs...
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6128941 |
Pipe bending machine
A pipe bending machine includes a horizontal pipe support platform defining a horizontal pipe feed channel. A first pipe engaging member is positioned on a first side of the pipe feed channel. A...
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5884519 |
Automatic hydraulic pin up system for a pipe bending apparatus
An automatic hydraulic system 10 for the actuation of the bending beds 101, 102 hinge plate 103 and pin up plate 104 of a pipe bending apparatus. The hydraulic system 10 includes a hydraulic...
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5819578 |
Process and appartus for producing reinforcement profiles on sheet metal panels
There is disclosed a process and apparatus for producing reinforcement profiles on sheet metal panels wherein the profiles are obtained with the same metal sheet which constitutes the body of the...
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5588322 |
Universal support and positioning structure for tools used by an elongate element bending machine
A universal positioning and support structure for tools usable by a machine for bending elongated elements such as tubes or profiled sections, includes at least one base body and a support platform...
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5493889 |
Coupling between the controlling and actuating member and the working head of a portable pipe bending machine
A coupling between the piston and cylinder controlling and actuating member and the bending head of a portable pipe bending machine comprising a collar (5) made up of two half collars (5', 5") with...
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5469730 |
Pipe bending machine
A pipe bending machine is described which utilizes a cord and lattice support structure having a first end, a second end, an interior lattice framework and an exterior connecting cord which...
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5353622 |
Articulated three point pipe bending apparatus
A pipe bending apparatus (10) for bending a section of pipe (100) at a desired location; wherein, the apparatus (10) comprises; a floating central hinge plate member (40) pivotally connected on...
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5295384 |
Sheet-metal bending device
A sheet bending device (1) is described, comprising two bending punches (19, 20), pivotally connected together, which are disposed alongside each other in a frame (2), and of which at least one is...
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5271256 |
Tooling module for stamping and forming machine
A tooling module for use in a stamping and forming machine comprises a tooling portion and an actuator portion. The actuator portion is fixed to a reciprocable ram and the tooling portion is...
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5253502 |
Apparatus and method for bending and forming sheet material
An apparatus for bending and forming sheet metal into U-shaped channel members is comprised of a support block for supporting a blank of sheet metal in a centered position, a pair of rollers that...
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5235738 |
Apparatus for end turn shaping
A method and apparatus for shaping the winding end turns of a stator assembly wherein the outside diameter of the end turns is first engaged by a set of alternate segments in a circular array and...
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5218752 |
Device for the forming of coils inserted into a stator or rotor plate rack
A device is provided for forming coils which are inserted into radially inwardly open slots of a stator or rotor plate pack of an electric machine. The device enables intermediate forming of coils...
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5062289 |
Bending tooling for bending flat blanks
Stamping and forming apparatus (54) has a bending station in which blanks (28,28'), which extend from the two side edges of strip material (4), are reversely bent (180) degrees in opposite...
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5062288 |
Method and apparatus for forming bends in a tube
A method and apparatus is provided for forming bends in a tube. A set of bend forming elements are mounted on each of a pair of parallel guideways. Each set of bend forming elements are...
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5007278 |
Die device
This invention relates to a die device for the die bending of metal plates (sheet), with two shafts (4, 5), supported rotatable around their lengthwise axis, flattened on one side, and arranged...
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4949565 |
Distortion straightening method
A straightening method particularly for an elongated metal member having a long longitudinally linear length, is carried out by an automatic straightening apparatus by the manner of preliminarily...
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4854150 |
Method of bending and forming heated tubular workpieces
A novel method and apparatus for forming stabilizer bars for engine driven land vehicles starting from tubular or rod steel stock material to provide predetermined shapes which are hardened by heat...
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4788847 |
Rod bending apparatus
A rod bending device using a combination of a movable mandrel and two moving rollers, between which mandrel and which rollers the rod bending is effected, the movements of which mandrel and rollers...
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4781054 |
Apparatus for bending and forming heated tubular workpieces
A novel method and apparatus for forming stabilizer bars for engine driven land vehicles starting from tubular or rod steel stock material to provide predetermined shapes which are hardened by heat...
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4753098 |
Method and apparatus for forming a tube
A method and apparatus for forming tubes, rods and the like into a serpentine configuration. A plurality of guide rails are mounted on a supporting surface and carriage bars are slideable on the...
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4716757 |
Guide wire tip shaping tool and method
Tool and method for bending of shaping the tips of angioplasty guide wires. The tool has two relatively rigid body sections joined together by a relatively flexible hinge, with a flexible tube...
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4638665 |
Tube bender
A bending machine is provided to form a multiplicity of predetermined types of bends within several planes in elongated, heavy gauge workpieces of various sizes and shapes by pressure between a...
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4570474 |
Apparatus for bending metal plate in widthwise direction
A flat metal strip is placed horizontally on a base plate which is vertically movable between a ram and a bolster of a press. A bending die for bending the metal strip by applying pressure in the...
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4406147 |
Pipe-bending apparatus
An apparatus for bending a pipe about a fixed forming member serving as abutment has members gripping the pipe externally as well as two mandrels intended to come inside the pipe. Each mandrel has...
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4403495 |
Apparatus for bending channel section members
An apparatus for bending an elongate member with a pair of spaced parallel planar flanges which normally extend from the planar web to form a channel section. The apparatus includes a platen shaped...
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4363233 |
Method and apparatus for cold forming stabilizer blade means from elongated members
An apparatus for cold forming stabilizer blades from elongated members by holding an elongated member while being bent or twisted to form a stabilizer blade. A mandrel is provided for receiving...
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4351178 |
Apparatus for bending a straight tube into a serpentine tube
Apparatus for producing a serpentine tube by bending a straight tube including a plurality of dies each having an arcuate surface, the dies being arranged alternately on opposite sides of the...
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4304116 |
Multi-part die assembly for forming a closed clip
An improved multi-part die assembly for forming a closed clip comprises a mounting structure, punch means, first and second gate-die members and simultaneous driving means. The punch means...
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4205544 |
Apparatus for bending corrugated pipe
Corrugated pipe is bent by pinching the spiral corrugations on one side of the pipe to decrease their pitch and increase their amplitude as compared to the undeformed corrugations on the opposite...
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4175419 |
No-size squeezing of 180 degree boiler-tube return bends
An apparatus for reducing the radius of the bend in a U-shaped tube comprises two squeeze dies and a back die. The back die is hollowed to form a chamber that accommodates the bent section of the...
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4141235 |
Hydraulic bending machine
A hydraulic bending machine comprises a reciprocating connector fitted symmetrically with a pair of roller holders having inner and outer rollers rotatably attached to the end portions thereof,...
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3934450 |
Method and apparatus for bending elongated members
A method and apparatus is provided for bending elongated members such as pipe sections by the application of axial compression to both ends of a pipe section positioned between parallel guides....
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3901063 |
Plugs for use in tube-drawing
A plug for use in tube-drawing operations wherein the plug is formed of a ceramic material and is provided with means whereby an axially-directed compressive stress is applied to the plug.
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3889513 |
Apparatus for bending a steel plate
An apparatus for bending a steel plate to shape the same into any desired configuration having a compound curved surface, characterized in that said apparatus comprises an upper punch group...
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