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7587920 |
Hydro forming apparatus for making U-shaped products
A hydro forming apparatus comprises a lower base; a lower mold mounted on the lower base and provided with an U-shaped lower cavity; an upper mold provided with a U-shaped upper cavity...
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7584639 |
Method and device for the production of a can body, and can body
The aim of the invention is to produce can bodies ( 24 ′) comprising a can shell ( 24 ) and a closing element ( 31 b, 32, 31 a ) that is fixed to one face of the can shell ( 24 ). Said aim is...
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7574889 |
Method for feeding hydroforming presses, and device for carrying out the method
The invention concerns a method whereby components are arranged in a mounting device, outside an internal high-pressure forming press, in accordance with their position and their function, such...
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7568369 |
Mold construction for a process and apparatus for manufacturing shaped containers
A molding unit ( 20 ) for use in a can shaping process. Container preforms (F) are mounted on a table ( 16 ) which is rotated so a blank is moved from an initial loading station (P 1 ) to a molding...
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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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7546754 |
Method of fabricating tubular structure from hybrid material
A method allowing for the fabrication of tubular structures, such as structural members used in vehicle bodies, from two or more metals or other materials using a hydroforming process. Being able...
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7509827 |
Device and method for expansion forming
The present invention relates to a method and a device for expansion forming of an article. According to at least one aspect of the invention, an expansion forming tool is pressure-compensated from...
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7497255 |
High performance expandable tubular system
A method and apparatus for tubular expansion are disclosed. In an embodiment, an apparatus for radially expanding a tubular comprises at least two expansion swages. At least one expansion swage is...
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7484393 |
Profile mother pipe for hydraulic bulging, hydraulic bulging apparatus using the same, hydraulic bulging method, and hydraulic bulged product
A profile mother pipe for hydraulic bulging of the present invention has a peripheral length whose outer diameter is gradually increased or decreased from one end to the other end in an axial...
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7464572 |
Process for forming tubular member
A process for forming a tubular member is provided which includes a pre-forming process for tube-expanding (bulge) forming and bending forming a tubular material using first and second molds and a...
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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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7441432 |
Method and a production line for manufacturing a product by hydroforming
A production line for the manufacture of a product through hydroforming, having a decoiler ( 11 ) for unrolling a steel strip ( 12 ) from a coil ( 13 ), a roll-forming unit ( 14 ) for folding the...
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7426845 |
Hydroforming apparatus and method of assembling same
A hydroforming apparatus includes a hydroforming die member and a hydroforming press. A fastener couples the press to the die member, the fastener having a shaft and a shoulder. A spacer positioned...
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7409758 |
Vibration damper systems for drilling with casing
Apparatus and methods are provided for reducing drilling vibration during drilling with casing. In one embodiment, an apparatus for reducing vibration of a rotating casing includes a tubular body...
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7392679 |
Hydroform tube sealing assembly
A hydroform seal assembly includes a seal housing and an annular nozzle carried by the seal housing and sized to insert into a tube end. A first actuator moves the seal housing to insert the...
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7380429 |
Tubular local expansion apparatus and method of locally expanding tubular member for vehicles
An apparatus and method for locally expanding tubular member includes a pre-form die having a cavity with an expansion chamber therein to receive a portion of a tubular blank between ends thereof....
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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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7337641 |
Hydroformed tubular members and method of hydroforming tubular members for vehicles
A hydroformed tubular member and method of hydroforming the hydroformed tubular member for a vehicle includes the steps of providing a tubular blank and positioning the tubular blank within a die....
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7328602 |
Pipe expanding device
Disclosed is a pipe expanding device for expanding a thin pipe with a small diameter using elasticity and compressing and bending characteristics of a spring. Steel wires whose opposite contact...
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7325307 |
Installation for shaping a hollow blade
A hollow blade is shaped by superplastic inflation of a blank made up of welded-together sheets. A die comprising two hollow shapes clamping the outline of the blank is placed inside an...
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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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7296449 |
Dry hydraulic can shaping
A method for shaping an aerosol container ( 10 ) to a desired body contour. A container body ( 12 ) is formed into a cylindrical shape and installed into a mold ( 30 ) whose inner surface defines...
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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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7287406 |
Transition forming machine
An apparatus and method including a die assembly and tooling, which includes a draw bolt and coaxially disposed expandable element. When control of the apparatus is initiated the die assembly and...
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7284403 |
Apparatus and method for performing a hydroforming process
An apparatus and method for performing a hydroforming process cause either or both of the opposed end portions of the workpiece to be deformed to achieve desired shapes therein. Initially, a...
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7251973 |
Hydroforming apparatus
A hydroforming apparatus for hydroforming a workpiece. The apparatus includes a die in which a die cavity is located, and an outer ring subassembly. The outer ring subassembly is movable relative...
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7251972 |
Method and device for reshaping tubes
A method and an apparatus for reshaping a tube having an initial outside diameter, an initial wall thickness, and an initial length to form a tube have a reshaped outside diameter, a reshaped...
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7249481 |
Process for forming a hydroformed automotive component with integrated weld flange
A process for forming a hydroformed automotive component with an integrally formed attachment bracket or weld flange begins with a tubular blank manufactured through a roll-forming process to...
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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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7194883 |
Method for forming of tubular work-pieces using a segmented tool
The hydroforming tool of the present invention comprises a pair of upper and lower tool inserts having open axial ends and defining an elongated cavity there between when the tool inserts are...
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7191032 |
Methods of and apparatus for forming hollow metal articles
In hydroforming of hollow metal articles in a die, such as pressure-ram-forming procedures, a method of decreasing cycle time of the forming process, while ensuring acceptable product properties...
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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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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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7107804 |
Methods of and apparatus for pressure-ram-forming metal containers and the like
A method of forming a bottle-shaped or other contoured metal container by subjecting a hollow metal preform having a closed end to internal fluid pressure to cause the preform to expand against the...
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7096700 |
Method for performing a hydroforming operation
A method for performing a hydroforming operation on a hollow workpiece includes the initial step of filling the interior of the workpiece with a hydroforming fluid. The pressure exerted by the...
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7096570 |
Tubing expansion tool
In an embodiment of the invention, there is disclosed a tubing expansion tool ( 300 ) comprising a body ( 302 ) adapted for rotation within tubing to be expanded, and three expansion member modules...
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7080437 |
Method of manufacturing an axially collapsible driveshaft assembly
To manufacture an axially collapsible driveshaft assembly, first and second tubular members are disposed in an axially overlapping relationship. Central portions of the concentric tubular members...
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7080436 |
Method of manufacturing an axially collapsible driveshaft
A method for manufacturing a driveshaft for use in a vehicle drive train system that is axially collapsible in the event of a collision to absorb energy. A workpiece, such as a hollow cylindrical...
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7065995 |
Expansion tool for expanding tube ends and pressing device comprising such an expansion tool
The invention relates to an expansion tool for expanding tube ends. The expansion tool has an expansion mandrel and a counter-support, said expansion mandrel consisting of a tow-bar and an elastic...
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7059033 |
Method of forming thickened tubular members
A method of forming a tubular member with thickened ends includes the steps of positioning a tubular member between open die halves and sealing ends of the tubular member. The method also includes...
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7051564 |
Method for making a bicycle frame part
A method for making a bicycle frame part includes the steps of preparing a malleable tubular blank that has an outer surface and that is made from an alloy selected from the group consisting of...
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7028520 |
Method and device using high interior pressure to reshape structural section
A method using high interior pressure to reshape structural section of continuously bounded overall cross-section, whereby the overall cross-section can be provided with extra walls or chambers and...
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7013697 |
Method for expanding a tubular blank
A method for expanding tubular blanks includes pre-expanding or initially expanding a section of the tube by forcing a punch into an open end of the tube. The punching process may be repeated to...
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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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6986273 |
Apparatus and method for opening and closing stacked hydroforming dies
A hydroforming apparatus for concurrently performing two or more hydroforming operations includes a frame that is sized to support hydroforming dies in a stacked relationship. Each of the dies...
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6941786 |
Component specific tube blanks for hydroforming body structure components
A hydroforming system includes a dual conical tube formed from a blank. The dual conical tube has a first end, a second end and a central portion positioned between the first and the second ends....
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6922882 |
Method of joining tubular members
A method of joining tubular members together includes the steps of providing an internal tubular member, providing an external tubular member, and heating the external tubular member and/or cooling...
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6912884 |
Hydroforming process and apparatus for the same
Providing a method of hydroforming a tube where the hydroformed diameter is less than the tube length and a hydroforming die having two or more die members having an internal shape same as the tube...
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6910618 |
Method for preparing pipe for butt welding
A steel pipe is welded to a threaded connector that has an end with a desired nominal inner diameter. A swage is forced over an end of the pipe, reducing an outer diameter and an initial inner...
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6884976 |
Induction heating for localized joining of structural members
An apparatus and a method for forming a localized joint in at least one structural member are provided. The apparatus includes a tool that corresponds to a joint portion of the structural member....
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