Matches 1 - 50 out of 114 1 2 3 >


Match Document Document Title
8978431 Punch and method for piercing holes with a retention structure  
A punch including a shearing edge formed on an outer periphery of the punch, a cutting edge formed on the distal end of the punch and at least two ramp surfaces provided between the shearing and...
8833123 Method for manufacturing branched pipe and branched pipe manufacturing device  
A method of manufacturing a branched pipe includes: a first swelling step of swelling a swelled part from a main body of a pipe blank by pressurizing the inner surface of the pipe blank by an...
8793850 Method for producing a tube with a bent progression as a transverse progression  
A method for producing a tube with a bent progression or with a bend embodied as a transverse progression. For bending the tube or for each fold of the transverse progression, two miter cuts are...
8739590 Electro-hydraulic flanging and trimming  
A method of flange trimming a sheet metal panel to form a part including flanges for subsequent hemming or weld operation is disclosed. The method utilizes an electro-hydraulic forming (EHF) tool...
8667823 Apparatus and method using reduced volume electro-hydraulic chambers for trimming and joining panels  
A tool for modifying a workpiece by either trimming or joining the workpiece. The tool is an electro-hydraulic tool that uses a pulse transmitted through a liquid to trim a workpiece or to join...
8459077 Manufacturing method for metal member with through hole  
To form a through hole at one portion of a side wall, of an expanded portion made by plastically deforming one part of a metal tube radially outward, in a portion where the plate thickness...
8220301 Tool for and method of forming at tapped hole in a single pass  
A tool adapted to form and method of forming a tapped hole within a workpiece in a single pass, includes a piercing section operable to punch a pilot hole in and produce a slug attached to the...
8201428 Multipart punch for hydro piercing  
A novel multipart punch and system allows apertures to be formed in hydroformed members with the slug which would otherwise result being divided into two or more smaller slugs. These smaller slugs...
8141466 Punch device for piercing hydro-formed member  
A piercing device for hydro-formed members comprises a punch having a cutting surface and a guide bore, a support member having a guide post complementary in shape to the guide bore and drive...
8001819 Piercing method and piercing apparatus using hydroforming and hydroformed part and structure  
The present invention was made with the object of eliminating the short pipe member when attaching a bolting nut to a hydroformed part, preventing an increase in the difficulty of hydroforming for...
7823429 Method for manufacturing an axle component, and axle component which is manufactured as a result  
The invention relates to a method for manufacturing an axle component having the following steps: arranging a hollow semi-finished product such as a tube in a die for forming the axle component;...
7810366 Electrohydraulic trimming, flanging, and hemming of blanks  
A method of electrohydraulically trimming a blank involving positioning a blank on a trimming member having a cutting edge such that a portion to be trimmed extends over the cutting edge and is in...
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...
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...
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) having a...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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)...
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...
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, wherein...
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...

Matches 1 - 50 out of 114 1 2 3 >