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7523634 |
Forming die having filler cam assembly
A filler cam assembly for use with a forming die generally including a center cam component, end cam components and a base assembly and being designed to transition between unloading and forming...
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7165438 |
Wedge driving tool having mutually adjustable elements for the cutting and/or non-cutting shaping of a sheet metal workpiece in a press
A wedge driving tool for cutting and/or non-cutting shaping of a sheet metal workpiece in a press includes a mould- and/or tool-bearing working slider, which may be displaced between a slider bed...
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7111487 |
Apparatus and method for forming curvature in sheet metal
A curvature forming device has an upper member and a lower member. A clamping member is mounted on a spring within a recess in the upper member. An elongate deforming member is fixedly mounted in...
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6983634 |
Rotary bending tool and method of manufacture
A rotary bending tool having a series of graphite plugs mounted in a saddle recess engaging a rocker surface to lubricate the same. The rocker is machined in an unhardened state and thereafter heat...
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6860133 |
Plate material processing machine with bending function and tool for the same
The present invention provides a plate material processing machine with a bending function which enables even a bending piece with two or more bending portions to be bent and which enables...
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6755070 |
Cam-type press system
A cam-type press system is provided which includes a cam base slidably mounted on a lower die and securing a material panel with a formation pad: cam base steel is mounted on the cam base...
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6668612 |
Device for holding a sheet metal blank in a forming press
A device is provided comprising a guide mechanism used to position and securely hold a sheet metal blank in a sheet metal forming press that is operated at high temperatures. A sheet metal blank is...
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6539766 |
Rotary cam moving apparatus for negative-angle forming die
A negative-angle forming die includes a lower die half and an upper die half. A rotary cam is rotatably provided in the lower die half, and a slide cam is slidably opposed to the rotary cam. An...
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6530255 |
Forming press apparatus
A forming press apparatus with which forming of a plurality of different workpieces can be carried out using a single press. The press has raise/lowerable upper and lower die sets. A plurality of...
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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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6065324 |
Rotary bender die
A multi-piece die section for a press brake installed rotary bending tool in which a forming anvil is positioned in a holder in accordance with the thickness of material to be bent so that the...
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6052887 |
Apparatus and method for joining sheet metal layers
A method for joining together two superimposed sheet metal layers includes clamping the sheet metal layers together on a base and positioning a resiliently deformable hemming bead adjacent the...
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6038908 |
Bending die having rotary die
This invention is comprised of a lower die having a groove-like cavity formed at its upper surface; a rotary die supported in the cavity of the lower die at both ends thereof by a shaft and...
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5784916 |
Thin sheet forming die assembly including a lower die having plural parallel rotating cylindrical members
A die assembly includes a forming portion to form a negative angle portion when an upper die is lowered in a straight line to abut a lower die. A cylindrical rotating cam with a groove formed...
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5765427 |
Bending press for sheet metal
The press comprises two tool holders facing each other (28a, 28b), capable of relative movement one towards the other and back again. Each tool holder carries a bending tool (40a, 40b) and a...
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5755132 |
Punching and forming tool
The invention relates to a punching and forming tool for producing punched and shaped parts from sheets or foils which consist of material which can be deformed by overstretching. The punching and...
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5735161 |
Flanging apparatus
Apparatus for forming a panel to a predetermined cross dimension by flangers which form flanges on the opposite side edges of the panel. The flangers are movable toward and away from advanced...
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5572901 |
Locator for metal flanging apparatus
An adjustable locator device locates a sheet metal workpiece laterally on a metal forming die. The locator device includes a pivotal locator portion which engages a driver member of the flanging...
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5474437 |
Metallic die device for press machine
A lower metallic die has a major surface for supporting a workpiece thereon. A ridgeline is formed on an end portion of the major surface and with which a bending portion of the workpiece is...
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5361620 |
Method and apparatus for hemming sheets of metal material
A hemming device comprises a partly cylindrical member rotatably disposed in a partly cylindrical channel of a housing block. The partly cylindrical member includes an outer surface comprising an...
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5347838 |
Forming die for thin plate
A method is disclosed of forming a thin plate having a negative angle-formed portion when a second die is moved straight to bump against a first die to form a work, when the first die is rotatably...
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5341669 |
Rotary bending tool with continuous lubrication
A rotary bending tool, consisting of a rotary bending head, a saddle block with bearing surfaces and retaining key for holding the rotary bending head, a restoring member for the rotary bending...
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5231907 |
Noise reducing structure of slide-cam die
A noise reducing die assembly comprising, a passive cam having an inclined passive face of a fixed inclination angle α, and an actuating cam having an inclined actuating face of the same...
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5226306 |
Bead forming metal die for forming metal gasket
A progressive bead forming metal die for forming beads in a metal gasket is constituted by a bead-forming die disposed between a hole punch die and an outer profile punch die. The bead-forming die...
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5211047 |
Die for bending a composite flange having a stretch portion and a straight portion
A bending die includes a first die portion for bending a stretch portion of a composite flange and a second die portion for bending a straight portion of the composite flange. The first die portion...
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5078186 |
Lead forming for electronic parts having gull wing type outer leads
For improving both coplanarity and bending accuracy of gull wing type outer leads of electronic parts such as resin molded semiconductor devices, quad flat packages, etc., a lead forming machine is...
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5056017 |
System to monitor fuel level in a tank, and fuel dispensed from the tank, to determine fuel leakage and theft losses
Apparatus is provided to monitor fuel level in a tank, and to monitor fuel pumped from a dispenser or dispensers; and outputs from the monitoring equipment are processed to determine unwanted loss...
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4757703 |
Die apparatus for handling tubing having a radially projecting annular flange
A die apparatus operable to form or to clamp a tube with an upset annular flange includes a pair of opposed die members mounted for horizontal movement toward and away from each other at opposite...
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4606214 |
Metal forming apparatus
The present invention concerns an apparatus for forming into shape one end portion of a rod-like metallic work such as a pipe. The apparatus comprising a holding member to hold the work, a split...
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4535619 |
Rotary bending, particularly for press brakes
Rotary bending apparatus provides a die assembly particularly advantageous for use in press brakes featuring a punch embodying a separable part so constructed and arranged as to render it per se...
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4520646 |
Sheet-metal bending brake
A sheet-metal bending brake has a stationary anvil having a flat and horizontal support surface bounded by and having a straight stationary bending edge and a cut-out back surface forming an acute...
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4485660 |
Press sublifter with a movable gauge
A movable guide gauge for accurately locating an edge of a preformed sheet placed on a lower die of an edge bending press is fixed to a cam follower slidably mounted on a sublifter and...
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4127021 |
Tube flaring set
The two bars that form the tubing gripper have tapered sides which mate with corresponding tapered faces on the two legs of the yoke. The direction of the tapering is such that as the flaring cone...
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4002049 |
Forming tool for use in a die assembly
A forming tool comprising a relatively rigid shank portion or holder mounting in bearing relation thereto and for limited rotation thereon an operating head. In the preferred embodiment illustrated...
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3910097 |
Pressing tool for preparing work pieces
A pressing tool for preparing work pieces provides a tool which is adapted to a preferably plane end surface and a countersunk bore of the work pieces for receiving the turning pin of a lathe. The...
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3533268 |
HORIZONTAL FORGING AND UPSETTING MACHINE WITH HYDRAULIC DIE GRIPPING
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3389593 |
Horizontal forging and upsetting machine
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3154129 |
Brake for bending sheet metal blanks
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3108558 |
Forming device
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3101633 |
Apparatus for knurling articles
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3100409 |
Forging and upsetting machines with improved clamping jaws
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3096738 |
Method of shaping sheet metal wheel covers
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3080909 |
Wire bending mechanism
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3028628 |
Vinyl base bender
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3017915 |
Beam bending machine
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3016853 |
Apparatus for shaping sheet metal wheel covers
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3009179 |
Folding and creasing mechanism for a case making machine
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2948325 |
Die construction for forming corrugated sheets
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2935112 |
Article-forming apparatus
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2855016 |
Universal bender for wafer stems
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