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7559142 |
Method of manufacturing a heat shield for a fuel manifold
A method of manufacturing a heat shield for a manifold ring of a gas turbine engine, comprising forming a tubular portion of heat shield material with an arcuate longitudinal axis, deforming the...
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7552609 |
Piercing device of hydroforming mold
Disclosed is a piercing device of a hydroforming mold with a lower steel having a cavity therein, which can make the replacement of the pierce punch easier. The piercing device comprises: a pierce...
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7552535 |
Method of forming hydroformed member with opening
A method for manufacturing a hydroforming member includes the step of providing a blank ( 10 ). The blank ( 10 ) is defined by blank wall ( 16 ). The blank ( 10 ) is placed in a die assembly ( 14 )...
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7503198 |
Slug expanding and capturing apparatus and method for hydroforming application
An apparatus and method for piercing a hole in a work piece suitable for hydroforming applications is provided. The apparatus includes first and second die portions forming a die cavity for the...
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7503197 |
Apparatus for hole punching
Apparatus is provided for punching holes through the opposed first and second tube walls of a hydroformed tube while the tube is within the die cavity formed by a pair of hydroforming dies. A punch...
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7484397 |
Punch, apparatus and method for forming opposing holes in a hollow part, and a part formed therefrom
A punch, apparatus and method for forming opposing holes in a hollow part, and a part formed therefrom. The punch includes an end portion adapted to pierce an entry hole and bend material around...
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7464571 |
Hydroforming method and mold used for the hydroforming method
According to the hydroforming method by the invention, when slots with the aspect ratio of 3 or more are pierced onto the bulge-formed portion made by the hydroforming, even the piercing can be...
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7441433 |
Tool for forming threaded hole in a hydroformed part
A tool forms a threaded hole in a hydroformed part while the part remains in a hydroforming die cavity and under pressure. The tool has a hole-piercing end portion adapted on advancement of the...
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7360384 |
Apparatus and method for hydroshearing and hydrotrimming for hydroforming die
An apparatus and method for hydroshearing and hydrotrimming for a hydroforming die includes a cutting insert fixed relative to the hydroforming die. The apparatus and method also includes a...
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7315684 |
Device for producing a hollow profile
A device for producing an essentially T-shaped hollow profile or a hollow profile provided with at least one branch. The device may have a multipart mold which is intended for internal high...
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7313940 |
High-pressure shaping system
A high-pressure system for hydroshaping a hollow workpiece has a lower die and an upper die vertically shiftable above the lower die and forming therewith a cavity shaped to hold the workpiece. An...
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7293442 |
Method for hydroforming a ring-shaped tubular structure
A method is provided for hydroforming a ring-shaped tubular structure such as a door opening for a vehicle body. The method includes providing a ring-shaped tubular blank having a hollow sealed...
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7263757 |
Electromagnetic trimming, flanging and hemming apparatus and method
Electromagnetic (EMF) trimming, flanging and hemming steps are performed at a single workstation in a combined fixture designed to form a hemmed panel assembly, such as a vehicle closure panel. Two...
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7249480 |
In-die hydropiercing device for piercing holes in hydroformed parts
An in-die hydropiercing device comprises a punch with an annular shearing blade which is operated by a hydraulic cylinder and is received in a ring-shaped die button mounted in one of the dies that...
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7204113 |
Punch for hydroforming die
A punch for a hydroforming die includes a body, a neck extending axially from the body, a head extending axially from the neck and having a diameter less than a diameter of the body and a thumbnail...
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7178240 |
Method for molding bicycle tube
This invention relates to a method for molding a bicycle tube and the method comprises the following steps: first, providing a tube and then controlling thickness of the tube by a drawing and...
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7159426 |
Quick change assembly for hydroforming punches
A punch assembly used with a hydroforming die includes a punch cylinder for mounting to the hydroforming die and having a movable rod. The punch assembly also includes a punch for piercing an...
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7155948 |
Forming tool
The invention relates to a forming tool for forming sheet blanks in a diaphragm press of the kind comprising an openable, closed pressure chamber, which is divided in a gas and liquid tight manner...
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7127924 |
Double action punch assembly for hydroforming die
A double action punch assembly for a hydroforming die includes a first punch segment having an aperture extending therethrough. The double action punch assembly also includes a movable mounting...
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7111482 |
Punch assembly for hydroforming die
A punch assembly for a hydroforming die includes a servo motor, a ball screw connected to the servo motor, and a ball nut disposed about the ball screw for movement along the ball screw. The punch...
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7104099 |
Center support punch assembly for hydroforming die
A center support punch assembly for a hydroforming die includes a center support member for fixed attachment to a die. The center support punch assembly also includes a button disposed about and...
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7021098 |
Method and device for creating a hole on the outer circumference of a hollow profile
In a method and a device for creating a hole on the outer circumference of a hollow profile which is circumferentially closed and under an internal high pressure, before hole-punching, a punch...
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7003995 |
Hydrotapping power unit
A hydrotapping power unit is disclosed that is operable to hold a hydrotapping tool in a home position adjacent a part while the latter is being hydroformed in a die cavity, to then advance the...
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6955070 |
Device for punching work pieces in an internal high-pressure forming tool
A device for punching work pieces in an internal high-pressure forming tool includes a punching die guided displaceably in a bore of the forming tool. The device also contains a drive with which...
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6952941 |
Apparatus and method for forming an article and performing a secondary operation in-situ
An apparatus and a method for forming an article and performing a secondary operation on the article in-situ. The apparatus includes a closure and a die having a cavity. A source of pressurized gas...
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6931901 |
Method and apparatus for forming a threaded hole in a hydroformed part
Method and apparatus are disclosed wherein a required threaded hole is formed in a hydroformed part with a single tool while the part remains in a hydroforming die cavity. In forming the threaded...
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6751994 |
Method and apparatus for forming a structural member
A method of forming a structural member includes hydroforming the blank to form a hydroformed member and finishing the hydroformed member by positioning the wall of the hydroformed member between a...
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6739166 |
Method of forming tubular member with flange
A method of forming a tubular member with at least one flange includes the steps of providing a tubular member, expanding at least one portion of the tubular member, and positioning the tubular...
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6708542 |
Electromagnetic and/or electrohydraulic forming of a metal plate
A metal plate is formed in a process comprising cutting, perforating or both, by forcing the plate, by means of an abrupt and intense force towards a mold having openings or boundaries defined by...
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6686249 |
Transparent conductive layered structure, display in which this transparent conductive layered structure is applied, and coating liquid for forming transparent conductive layer
The present invention pertains to a transparent conductive layered structure having a transparent substrate and a transparent 2-layer film consisting of a transparent conductive layer and a...
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6681611 |
Process and device for manufacturing holes on the circumference of hollow sections
A process for manufacturing holes on the circumference of a hollow section situated in an internal high pressure forming tool uses the action of a punch integrated in the forming tool. A desired...
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6672120 |
In-die hydropiercing apparatus with prepiercing adjustment
Hydroforming apparatus includes in-die hydropiercing apparatus with easy and precise adjustment of the positioning of a backup plunger that is received in a die button and is positioned in a...
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6662611 |
Hydroforming flush system
A hydroforming assembly has a plurality of die structures that are mounted on a press for reciprocating movement between open and closed conditions. The die structures have cooperating die surfaces...
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6658908 |
Punch for piercing and sealing hydroformed parts
A punch for piercing and sealing hydroforming parts has a roll forming surface that produces an internal rolled edge portion in a formed part immediately following the punch piercing the part...
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6591648 |
Method of stamping and piercing a tube
A method for piercing a tube during liquid impact forming or hydroforming to form a hole with minimal deformation in the material surrounding the hole. The method includes the steps of: (1) filling...
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6564605 |
Apparatus and method for pulsed magnetic forming of a dish from a planar plate
An electromagnetic forming apparatus for forming an essentially planar metal plate into a dish having a three-dimensional pattern, is provided. The apparatus comprises a mould having a forming...
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6513359 |
Fluid form
A fluid form that is used to produce deep-drawn articles (cf. 10 ) on any presses, and includes a ram ( 2 ), a hold-down plate ( 3 ) and a die ( 4 ), which can be filled, preferably, with water,...
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6484551 |
Process for manufacturing holes on the circumference of hollow sections
A process for manufacturing holes on the circumference of a hollow section situated in an internal high pressure forming tool uses the action of a punch integrated in the forming tool. A desired...
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6442820 |
Method and apparatus for forming a tube having an article inserted therein
In the present invention a tubular blank and an article such as a bushing to be assembled are loaded into a die. The tube is hydroformed using typical methods and, while the blank is still...
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6434989 |
Method and device for producing leadthroughs on hollow profiles
A method and a device for producing leadthroughs on hollow profiles acted upon by a high fluidic pressure in an internal high-pressure forming tool. Dome-like secondary shaped elements are formed...
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6415638 |
Method and device for forming tubular work into shaped hollow product by using tubular hydroforming
For forming a tubular work into a shaped hollow product by using hydroforming process, a method and a device are described. In the method, female and male dies are prepared. The female die has a...
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6401507 |
Hydroforming, in-die hydropiercing and slug-ejecting method and apparatus
A die button flush mounted in the cavity surface of a lower one of two hydroforming dies has a backup plunger received therein that forms a part of this surface when the plunger is in a...
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6341514 |
Hole punch for high-pressure shaping tool
A high-pressure shaping system has a tool defining a cavity and having a bore extending along an axis and opening into the cavity which is adapted to receive a workpiece which can be internally...
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6305201 |
Method and apparatus for forming unobstructed holes in hollow hydroformed metal parts
Method and apparatus for forming unobstructed holes in a hydroformed metal part employs a punch having a peripheral side conforming to the desired hole shape and an end face having a central...
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6257035 |
Compressive hydroforming
Forming a tubular workpiece by applying fluid pressure to the interior of the workpiece and enclosing the pressurized workpiece in a die that has a die cavity. A portion or the whole of the die...
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6233989 |
Method and apparatus for stamping a metal sheet with an apertured design having rolled edges
A metal container lid having an apertured design with rolled edges is stamped by a method and apparatus incorporating a cushioning pad between a die and the metal sheet, which is then stamped with...
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6220166 |
Apparatus and method for producing fragment-free openings
An apparatus and method for explosively penetrating hardened containers such as steel drums without producing metal fragmentation is disclosed. The apparatus can be used singularly or in...
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6212982 |
Process for manufacturing slot-shaped openings on hollow sections and apparatus for implementing same
A process and apparatus for manufacturing slot-shaped openings on hollow sections is disclosed in which the openings are produced by a piercing cutting operation by means of a blade-type cutting...
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6178796 |
Device and method for shaping flat articles
A device and a method for shaping a flat article under high pressure, in which a one-sided forming tool is used together with a high pressure press equipped with a membrane. The one-sided forming...
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6158122 |
Vehicle frame member having a shock absorbing mounting portion and a method for making the same
The present invention relates to a method for making a vehicle frame member having a shock absorbing mounting portion constructed ad arranged to be mounted to a structural component within a motor...
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