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7631529 |
Device for the selective and progressive locking of metal containers
A device ( 10 ) for selective and progressive locking of metal containers ( 18 ) to be submitted to mechanical deformations along an extended part of side surface and provided at the bottom by a...
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7610789 |
Curling die tool
A curling die tool includes an upper die, a transmission, and a lower die. The upper die includes an upper-die body and a warping-bending pressure portion for a workpiece. The warping-bending...
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7481093 |
Punching process with magnetostrictive power source
A method and assembly for punching a hole in material provided. A magnetostrictive device 14 includes a coil 26 , a magnetostrictive member 22 , and a punch 28 operatively associated with the...
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7467534 |
Punching machine with spring-supported work support
A punching machine is provided with a tool holder for a punching tool and a die having a cutting edge which can be passed by the punching tool in a machining stroke direction and a return stroke...
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7287411 |
Die for a tool set for mechanical joining
A die for a tool set includes at least one punch and a die which defines a cavity for effecting joining. The die comprises an anvil opposite the punch. Die segments adjoin the said anvil and define...
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7004005 |
Method and apparatus for producing pipe from metal plate
A bending press for bending metal plates for the production of large diameter pipe has an articulation for the upper die member which reduces bending moments as applied to the bending sword or ram....
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6766677 |
Die curl assembly
Apparatus for forming container shells from material fed into a press, including, at a single station, tooling for curling the shell and tooling for forming or reforming the shell including a punch...
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6389872 |
Mandrel apparatus with floating spring members
A mandrel for insertion into a pipe prevents distortion and buckling while bending the pipe. The mandrel comprises three or more radial support members distributed along a longitudinal extent of...
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6279371 |
Hand-held riveting tool
A hand-held tool for forming a rivet head at the plain end of a rivet includes an elongated handle having an elongated internal cavity with a guide wall surface extending to an adjacent guide wall...
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6092270 |
Die for forming a joint
A die (24) and punch (32) is employed to form a joint (74) between at least two sheets of material (70 and 72). The preferred embodiment die (24) has a shield (54) surrounding an anvil (52). This...
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6044687 |
Three-dimensional simple flexible mould for bending pipes
A three-dimensional simple flexible mould for bending pipes comprised of a plurality of arciform or half-circled spring elements, pins and chucking rings for being a protecting mould in a...
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5983698 |
Easy removed die core device used for cold swaging
An easy removed die core device used for cold swaging comprising a mandrel, two end supporting members, an outer spring and a plurality of inner springs, wherein, the mandrel is extended into the...
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5953952 |
Micro-adjustable bucking bar anvil
Disclosed is a hand held micro-adjustable bucking bar anvil having an adjustable threaded spindle for positioning the anvil face to the correct height above the surface of the sheet metal, for...
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5893290 |
Screwhead forming apparatus
A screwhead forming apparatus includes an operating mechanism driven to reciprocate, a male die driven by the operating mechanism to reciprocate and having a die cavity of a predetermined shape, a...
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5465599 |
Can flanger having base pad with stop spacer arrangement determining a working spring gap
A flanging apparatus includes a flanging head assembly having a cluster of freely rotatable spin flanging rollers and a stop ring against which the flange hits during the final flange forming...
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5272898 |
Device for stamping materials in sheet form, especially sheet metal blanks
A device is provided for stamping materials in sheet form, especially sheet metal blanks (5), on a single-acting press. The device includes a cushion (2) made from an elastic material, forming a...
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5255550 |
Device for drawing sheet materials in particular sheet blanks
A device is provided for drawing sheet materials, in particular, sheet blanks. The device includes a cushion of elastic material disposed in an enclosure, a die for forming the sheet blank, the die...
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5125257 |
Apparatus and method for doming bottoms of containers
Domer apparatus includes a housing having a cavity therein; an inner die being disposed in the cavity and being disposed around a longitudinal ram axis; an outer die being disposed in the cavity,...
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5099675 |
Punch and die assembly for bending operations
A punch and die assembly including a punch having an outer surface conforming generally to a configuration desired for a sheet metal part to be produced and adapted for rectilinear movement in a...
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5070916 |
Apparatus for processing a molded carrier ring device
An apparatus is provided for receiving a molded carrier ring package and removing the electronic component from the surrounding ring while cutting and forming the leads of the component. The shear...
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5005396 |
Method and device for forming a sheet-metal blank in particular for making a cathode tube mask, and cathode tube mask obtained according to this method
The present invention relates to a method for forming a sheet-metal blank (1), in particular for making a cathode tube mask, on a press, according to which the peripheral part of the sheet-metal...
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4926669 |
Container body maker die
Can ironing die members for use in a tool pack assembly which is part of a can body making apparatus used in forming cups into can bodies and wherein each can ironing die member is mounted in a...
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4922742 |
Apparatus for precision forming of sheet metal parts
A lower die assembly used in a bending machine to form pre-punched three-dimensional structures has a plurality of plungers located within the V-shaped bending slot of the lower die. As the upper...
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4891965 |
System for connecting a bending blade to its corresponding support in a sheet metal panel bending machine
A connecting system which includes a slack connecting device between a blade and a support and an elastic member for taking up slack between the blade and the support in a direction of application...
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4818210 |
Apparatus for compressing a stack of juxtaposed foils
A sintering press for comprising a stack of foils is formed of a lower die, an upper die opposing the lower die and a furnance surrounding the dies. At least one of the two dies is supported at its...
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4811590 |
Roll die assembly with misalignment damage protection
A die assembly (12) has a die (14) with a nose (16) positioned to project into the hollow end (106) of an insert (102) being installed in a panel workpiece (100). A pilot pin (32) projects...
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4805278 |
Terminal strip applicator
A terminal strip applicator includes a ram that carries a first die set mounted for reciprocation along a first path within a machine body and a track that automatically adjusts to accept a strip...
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4682489 |
Process for increasing the fatigue strength of components with different shapes or designs
The fatigue strength of high stress areas of components of diverse shapes is increased by cold forming by clamping the component resiliently between a base and a clamp member urged resiliently...
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4610156 |
Progressive die apparatus having resilient tool support means
A resilient tool support for mounting either an upper or lower tooling member on a press ram or stationary press bed for performing a variety of operations on easy open can ends. The resilient tool...
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4606213 |
Tool for producing bends in curved surfaces
A tool for producing bends or steps in curved surfaces has an upper and a lower tool part arranged to work towards one another when in operation. The tool part surfaces conform in shape with the...
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4584753 |
Apparatus for connecting sheet metal pieces
Apparatus for joining a first, non-perforated sheet metal piece to a second, perforated one comprising a male die and a female die, the latter having an anvil which prior to actual joining locates...
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4583386 |
Method to reduce weld flash
The method and apparatus is disclosed to reduce the size of weld flash located at the junction of two workpieces each having a cylindrical contour and which have been butt-welded together. This...
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4569111 |
Apparatus for jointing plate materials
An apparatus for jointing plate materials comprises a punch, a die having a die hole for drawing a plurality of overlapping materials in cooperation with the punch. The peripheral wall of the die...
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4565081 |
Forming machine
A forming machine comprises a rotatingly drivable gripping device (1) for gripping a forming tool (2) and a material plate (3) to be formed, a movable lower slide (6), a first drive (8) for moving...
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4561283 |
Off-set bottom bakery pan renovation process
This invention provides a process to renovate the bottoms of bakery pans, and to improve the expected useful life of such renovated pans. The process consists of using a bottom receiving die...
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4549457 |
Tip in equalizing apparatus
A compact apparatus for applying equal force to opposite sides of a workpiece including an arm mounted on a frame for movement in a plane to be rotated into alignment with the workpiece. The arm is...
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4483170 |
Press machine structure
A press machine structure wherein a work stock is set on a lower die having a die, and an upper die engageable with the lower die is lowered so as to press the work stock against the lower die for...
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4370881 |
Die set having resilient workpiece retention means
A die set for deforming a ferrule or similar article comprises a first die member and a cooperable second die member movable relative to the first die member along a central axis. The first die...
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4365499 |
Method of manufacturing formed articles, equipment for practicing same, and formed articles manufactured by the method
A thin sheet having a low rigidity is drawn while being depressed over the radiused corner of a die by elastic force or hydrostatic force to obtain a formed article whose sidewall part and flange...
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4248079 |
Tram for use in an apparatus for repairing and straightening
A tram is disclosed, in its preferred form, for use in an apparatus for repairing and straightening. In the preferred embodiment, the tram includes a tram carrier member including first and second...
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4194541 |
Wire straightening apparatus having a hydraulically driven wire feed
A wire straightening apparatus includes a machine stand; a wire straightening device; a mounting for securing the wire straightening device to the stand; an inlet roller pair and an outlet roller...
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4079614 |
Method and apparatus for flanging a length of spirally wound corrugated pipe
Disclosed herein is an assembly for forming a radial end flange upon a length of spirally wound corrugated metal pipe. The assembly includes a head stock having a pair of rotatably driven rollers...
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4048842 |
Shock and vibration control system for forging hammer
A forging hammer is isolated from a foundation by a shock and vibration control system composed of an inertia block and a multiplicity of shock-vibration isolators that are installed on pedestals...
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3942354 |
Die unit with quick change features
A die system wherein upper and lower die shoes have a basic generally standardized form and are adapted for an interchangeable mount of various sub-assemblies embodying different die tools. The...
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3874210 |
Apparatus for producing a corrugated leaf spring
Apparatus for producing a corrugated leaf spring having a sideward curvature. Said apparatus includes a pair of intermeshing bevel gears each carrying a beveled forming roller. The beveled forming...
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3845656 |
DIE-STABILIZING MECHANISM FOR A SPLIT FLANGING DIE UNIT
A split flanging die unit--of the type disclosed in U.S. Pat. No. 3,540,260, and as employed to form a continuous out-turned flange on an end of an initially open-ended, cylindrical, sheet metal...
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3777543 |
FORGING MACHINE
A forging machine including an anvil for supporting an object to be forged for impact by means of a dropping head. The anvil is supported by springs and an absorption means is situated below the...
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3762209 |
CRIMPING APPARATUS
A crimping apparatus is provided comprising a die head having a central longitudinal axis and a plurality of spaced slots therein each having an associated die finger received therewithin with each...
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3732898 |
BENDING APPARATUS FOR MULTIPLE WIRE-LIKE ARTICLES
An array of leads extending from diverse electrical components mounted on a printed circuit board are bent simultaneously by an apparatus which advances the board to engage the leads with an array...
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3702072 |
APPARATUS FOR CONTOURING A HONEYCOMB CORE
A reciprocating ram carries a plurality of spaced, downwardly projecting prongs which enter a transversely aligned row of honeycomb core cells, deforming the cells from one end to cause the...
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