Patent application number | Description | Published |
20080311422 | Heavy Duty Composite Part - A method for producing a composite part is provided. The method includes a first and at least one second part, wherein the first part at least in part is made of a first metal and the second part at least in part is made of another metal that has a lower melting temperature than that of the first metal. Composite parts produced by the method are also provided. The method for producing composite parts which have an improved load-bearing capacity and yet low weight, is achieved by the fact that at least one breakthrough encompassing a breakthrough collar is introduced into the first part and the second part is non-positively and/or positively moulded onto the first part at least in the area of the breakthrough and the breakthrough collar by heating the second part and applying pressure to said second part. | 12-18-2008 |
20090044394 | Method and device for the coreless forming of hollow profiles - A method for the production of a hollow section from a blank, wherein the blank is introduced between two coreless halves of a die which have a desired section shape and can be displaced relative to one another and the blank is formed into a slotted hollow section by a closing movement of the halves of the die, includes preventing edges of the blank from sliding ahead during the closing movement of the die. A device for the production of hollow sections, which device has two coreless halves of a die which are positioned displaceably relative to one another and optionally a base plate, the halves of the die having the desired section shape of the hollow section which is to be formed includes means which, when the coreless halves are closing, prevent edges of a blank from sliding ahead to produce a slotted hollow section. | 02-19-2009 |
20090114703 | Method and device for producing a longitudinally welded hollow profile - A method for producing a longitudinally welded hollow profile from a sheet metal blank having defined longitudinal edges, in which the sheet metal blank is initially preformed into an open seam profile with the aid of at least two tool parts allows for the economical production of accurately formed hollow profiles. This is achieved in that to produce the open seam profile, the sheet metal blank, by a change in the relative position of the tools parts, is placed freely around a mandrel positioned between the tool parts and extending in the longitudinal direction of the sheet metal blank, the outer shape of which mandrel determines the inner shape of the hollow profile to be produced, and in that the shaping of the open seam profile obtained is then completed in one or more stages in each case by a further change of the relative position of the tool parts. | 05-07-2009 |
20090126441 | Device for the Free Forming and Bending of Longitudinal Profiles, Particularly Pipes, and a Combined Device for Free Forming and Bending As Well As Draw-Bending Longitudinal Profiles, Particularly Pipes - A device for the free-form bending of longitudinal profiles, in particular pipes, in which an axial sleeve is arranged downstream of a feed unit in its direction of feed. Arranged downstream of the axial sleeve in the direction of feed, is a bending sleeve. The feed unit and the axial sleeve in each case have a drive pointing in the direction of feed, wherein the axial sleeve can be adjusted independently of the feed unit. The feed unit and the axial sleeve further have rotary drives for the simultaneous rotation in the same direction of the longitudinal profile held and guided by them. The bending sleeve can only be adjusted in a translatory manner by means of a drive in an axis running transverse to the axis of the longitudinal profile and the feed device. In addition to this, it can be pivoted by means of a drive about an axis lying transverse to the axis of the longitudinal profile and the feed device. The bending sleeve is additionally mounted so as to freely rotate in sympathy with the guide sleeve or is braked in relation to it. | 05-21-2009 |
20090178455 | Method And Device For Producing Hollow Profiled Elements - The invention relates to a device for shaping a blank into a hollow profiled element comprising at least one base plate, onto which the blank that is to be shaped can be placed, at least one die core for the hollow profiled element and at least two die halves for shaping the blank into the hollow profiled element, as well as a method for producing a hollow profiled element with at least one molded-on stiffening and/or functional element made from a blank. The aim of providing a device for producing a hollow profiled element comprising at least one molded-on stiffening and/or functional element made from a blank, by means of which corresponding hollow profiled elements can be produced at low cost, which at the same time ensure high reliability of the process when different hollow profiled elements are joined together, is achieved with a generic device, wherein at least one die ( | 07-16-2009 |
20090255317 | Method for the production of high-precision half shells with high dimensional precision - A method for converting blanks by drawing in a tool with a ram, a die and a pressure pad wherein, converted blanks with high dimensional precision can be produced, includes feeding a blank with a plurality of bulges to the tool. In flange regions of the blank the pressure pad is moved in a first process step of the method into a first position, which corresponds to the height of the bulges of the flange region of the blank added to the blank thickness. In the first process step the blank is preformed in the tool using the ram and in a second process step the pressure pad and the ram are moved into the end positions, so that the blank is converted by the ram to the end form and the pressure pad smoothes the bulges of the flange regions of the blank. | 10-15-2009 |
20090305075 | METHOD FOR PRODUCING LOW-SPRINGBACK HALF SHELLS - A method for producing low-springback half shells made of a metal, in particular steel or a steel alloy, includes drawing in at least one drawing die a blank, such that the blanks have flange regions on the deep drawn body after the deep drawing. The flange regions are shaped by upsetting a corner substantially perpendicularly to a wall of the deep drawn region of the blank and the flange regions are subsequently trimmed in a shearing die, such that half shells without margins are produced. | 12-10-2009 |
20100133724 | Method and device for producing highly dimensionally accurate flanged half shells - A method for producing highly dimensionally accurate, deep-drawn half shells with a base region, a body region and a flange region, includes firstly forming a pre-formed half shell from a blank and then shaping the pre-formed half shell into a finally formed half shell, wherein the pre-formed half shell has excess blank material due to its geometric shape and wherein, owing to the excess material during the shaping of the pre-formed half shell into its final shape the half shell is compressed into the finally formed half shell by at least one further pressing process. The method requires that the pre-formed half shell has excess blank material in a transition region between the body region and flange region. | 06-03-2010 |
20100236316 | Sheet Metal Blank Having a Homogeneous Thickness Transition - A method for manufacturing a sheet metal blank, in particular a tailored blank, in which at least two metal sheets are connected to one another at their respective connecting edges, the two metal sheets displaying differing thickness is provided herein and allows in a simple manner an application-specific configuration of the region of transition from one metal sheet thickness to another metal sheet thickness. The method includes a step in which, prior to the connecting of the two metal sheets, at least the region of the connecting edge of the thicker of the two metal sheets is pressed to a predefinable thickness in a forming tool in such a way that the connecting edges of the metal sheets display substantially the same thickness. | 09-23-2010 |
20100242565 | Method and device for producing closed profiles - A device for producing at least partly closed profiles from a blank includes at least one first die and at least one second die which can be positioned opposite the first die. The first die has a cavity and two side walls, wherein the side walls and the cavity of the first die can be raised and lowered relative to one another. A U-punch is provided to produce a U-shaped cross-sectional shape of the blank with the first die. The second die of the device has a cavity for producing an at least partly closed cross-sectional shape from a U-shaped blank. The device also has at least one supporting core. The cavity of the second die has elongated side walls in the direction of the first die, with which, the side walls of the first die can be lowered relative to the cavity of the first die. | 09-30-2010 |
20100251795 | Device for Manufacturing Profiles - A device for manufacturing profiles from a sheet includes at least one work station with a base plate and two die halves, wherein the die halves and the base plate extend in the longitudinal direction of the profile to be manufactured, and the die halves are arranged on the base plate movable relative to one another perpendicular to the longitudinal direction of the profile. A generic device and method for manufacturing profiles with which even heavily structured profiles can be economically produced with high flexibility, is provided by a punch for forming the sheet. The punch is movable perpendicular to the relative movement of the die halves and perpendicular to the longitudinal extension of the profile to be manufactured. The base plate has a die adapted to the punch, in which the sheet is formed, and the die of the base plate and the punch pertaining to it are exchangeable. | 10-07-2010 |
20100294014 | Process and apparatus for producing a hollow body, and hollow body - A process for producing a metal hollow body comprising a first axial portion with a first cross-sectional area and a second axial portion with a second cross-sectional area, and in which the two axial portions are connected to one another by means of a shape transition running in the axial direction, the method includes producing a preform body having at least one transition region which extends in the axial direction and is arranged between the first and second axial portions, wherein, in the transition region, the cross-sectional area of the preform body continuously changes from the cross-sectional area of the first axial portion into the cross-sectional area of the second axial portion, accommodating the preform body in a die, a shaping mandrel into the preform body, and axially moving the shaping mandrel to upset the preform body in the die into the final shape of the hollow body. | 11-25-2010 |
20110045216 | Method For Manufacturing a Hollow Profile, a Hollow Profile and a Vehicle Body - A hollow profile that has improved handling ability and a good ability to be attached to other components and a method for producing the hollow profile. In the method for producing a hollow profile having at least two half shell sheets, a first half shell sheet is applied to a first side of web plate along two axially running joint edges of the first half shell sheet, a second half shell sheet is applied to a second side of the web plate along two axially running joint edges of the second half shell sheet, and then the joint edges of the half shell sheets are subsequently joined to the web plate. An edge section of the web plate projects beyond the contact area of at least one joint edge so that at least one flange is formed for attaching other components. The hollow profile formed has two half shell sheets and a web plate disposed between the half shell sheets, which can form part of a vehicle body. | 02-24-2011 |
20110088443 | Supporting Core for Producing Hollow Profiled Elements - A supporting core for using in a device for forming plates into a structured hollow profile and a method for producing structured hollow profiles from a plate, which on the one hand ensures an all-over support of the plate, and still enables the production of hollow profiles with a variable cross-section or a curved course, is provided by including individual supporting members, which when pushed together at least in part form as a surface an inner contour of the hollow profile to be produced and are interconnected by means of coupling elements, wherein the coupling elements allow the supporting members to be pulled-apart, and wherein the supporting members are interconnected in a hinged manner in the pulled-apart position. | 04-21-2011 |
20110094283 | Method for Controlling the Flow of Material When Deep-Drawing a Workpiece, and Deep-Drawing Device - The aim of the invention is to provide a method for controlling the flow of material when deep-drawing a workpiece, which better utilizes the drawing capacity of a workpiece and produces a better shape accuracy, particularly of the bottom of the drawn part. The aim is achieved by a method in which the deep-drawing process is performed incrementally and in which at least one bead is incorporated into the flange region of the workpiece prior to each increment of the deep-drawing process. Due to this, the shape accuracy of the bottom can be improved and material accumulations in the flange zone can be prevented. | 04-28-2011 |
20110162431 | Partially reinforced hollow profile - A method for producing partially reinforced hollow profiles made of a metal, particularly steel, or a steel alloy includes forming a blank, together with a plurality of reinforcing metal elements arranged on the blank, into a hollow profile using the rolling-in technique or by means of U-O forming, wherein after forming the reinforcing elements arranged on the blank are connected to the formed blank at least by means of a positive interengagement. This method provides a simple and cost-effective procedure for producing reinforced hollow profiles made of metal. | 07-07-2011 |
20110200766 | Method for Manufacturing a Hollow Profile, a Hollow Profile and a Vehicle Body - A hollow profile that has improved handling ability and a good ability to be attached to other components and a method for producing the hollow profile. In the method for producing a hollow profile having at least two half shell sheets, a first half shell sheet is applied to a first side of web plate along two axially running joint edges of the first half shell sheet, a second half shell sheet is applied to a second side of the web plate along two axially running joint edges of the second half shell sheet, and then the joint edges of the half shell sheets are subsequently joined to the web plate. An edge section of the web plate projects beyond the contact area of at least one joint edge so that at least one flange is formed for attaching other components. The hollow profile formed has two half shell sheets and a web plate disposed between the half shell sheets, which can form part of a vehicle body. | 08-18-2011 |
20110265536 | Supporting Core for Producing Hollow Profiled Elements - A supporting core for using in a device for forming plates into a structured hollow profile and a method for producing structured hollow profiles from a plate, which on the one hand ensures an all-over support of the plate, and still enables the production of hollow profiles with a variable cross-section or a curved course, is provided by including individual supporting members, which when pushed together at least in part form as a surface an inner contour of the hollow profile to be produced and are interconnected by means of coupling elements, wherein the coupling elements allow the supporting members to be pulled-apart, and wherein the supporting members are interconnected in a hinged manner in the pulled-apart position. | 11-03-2011 |
20120074755 | Backrest Frame for a Vehicle Seat - The invention relates to a seat-back frame for a vehicle seat, which seat-back frame has a frame region extending transversely and two frame regions extending vertically and is of a U-shaped form. The object to provide a seat-back frame of the generic kind which has a minimum of components and at the same time allows a seat-back frame for belt-integrated vehicle seats to be provided easily is met in that there is provided a first half-shell made of a metal, which first half-shell forms a sub-region of each of the vertically extending frame regions of the seat-back frame and forms a sub-region of the transversely extending frame region of the seat-back frame, and there is provided a second sheet-metal half-shell which is connected to the first half-shell by bonding and which reinforces at least the transversely extending frame region of the seat-back frame. | 03-29-2012 |
20120282482 | Method and Device for Producing a Half-Shell Part - The invention relates to a method for producing a half-shell part with a drawing punch and a drawing die. The object of providing a method for the process-reliable and cost-effective production of highly dimensionally stable half-shell parts is achieved in that, in a single work step, the drawing punch is advanced into the drawing die, a sheet metal blank is preformed into a sheet metal raw part with at least one base section, at least one frame section and optionally a flange section, wherein during the preforming with the drawing punch a material excess is introduced either into the base section and the frame section or into the optional flange section of the sheet metal raw part, and the sheet metal raw part is finished to form a half-shell part and calibrated. | 11-08-2012 |
20130019648 | METHOD AND DEVICE FOR DRAWING AND TRIMMING BLANKS - The invention relates to a device for drawing components from a blank ( | 01-24-2013 |
20130091919 | Method for Producing Hollow Profiles Having a Longitudinal Flange - The invention relates to a method for producing hollow profile-members having a longitudinal flange, wherein a plate which is arranged between the stamp and the first die being preshaped by introducing a stamp into a first die to form an U-shaped profile-member having a first member and a second member, and wherein the U-shaped profile-member being shaped with a second die to form an O-shaped profile-member having a longitudinal flange. In one aspect, the plate is preshaped to form the U-shaped profile-member, a longitudinal flange member portion is shaped in at least the first member and the longitudinal flange member portion is constructed during the shaping of the U-shaped profile-member to form an O-shaped profile-member substantially in a shape-retaining manner to form a portion of the longitudinal flange. | 04-18-2013 |
20130104368 | Method for Producing a Hollow Profiled Section | 05-02-2013 |
20130186164 | Apparatus and Method for Producing at Least Partially Closed Hollow Profiles with a Short Cycle Time - The invention relates to a device and a method for producing at least partially closed hollow profiles from a sheet by a U-O-forming with a tool set comprising a U-punch in a first tool half for producing an at least partially U-shaped sheet and an upper die in a second tool half for forming an at least partially U-shaped sheet into an at least partially closed hollow profile. Parts of the tool set run parallel to one another in the axial direction of the at least partially closed hollow profile to be produced and are arranged above one another in the closing direction of the tool halves, wherein a common matrix receiver is provided between the tool halves of the tool set, which receiver comprises at least two identical, partially U-shaped dies for the tool set and can rotate about its axial axis. | 07-25-2013 |
20130186165 | Device and Method for Producing at Least Partially closed Hollow Profiles with Rotatable Die Halves and Low Cycle Time - The invention relates to a device to produce an at least in part closed hollow profile from a board by means of a U-O-forming with a tool comprising at least a U-stamp and at least an upper cavity in a first tool half. At least two identical at least in part U-shaped die cavities are provided in a second tool half. The U-stamp and the upper cavity of the first tool half are each meshed with an at least in part U-shaped cavity when the tool is shut. The at least one U-stamp and the at least one upper cavity of the first tool half and the at least two at least in part U-shaped die cavities of the second tool half are arranged in a rotationally symmetrical manner to the rotational axis running in the closing direction of the tool. | 07-25-2013 |
20140047890 | Method and Device for Producing Flanged Drawn Parts with Simultaneous Trimming - The invention relates to a device and method for producing flanged drawn members from a planar and/or pre-shaped plate of metal using a drawing punch having at least one cutting edge or rounded portion, a retention member and a drawing die, wherein the drawing die has a rib region, a flange region and a support region for the plate, the plate being placed on the support region of the drawing die and being shaped into the drawn member by the drawing punch being introduced into the drawing die and at the same time being cut at the flange region. | 02-20-2014 |
20140047891 | Method and Device for Producing Flangeless Drawn Parts - The invention relates to a method for producing flangeless drawn parts from a flat and/or preformed metal blank using a drawing punch, a blank holder and a drawing die, wherein the drawing die has at least one supporting region and at least one wall region, between which rounded run-in portions are provided, and the blank is trimmed during the drawing operation. In addition, the invention relates to a method for producing flangeless drawn parts from a flat and/or preformed metal blank comprising a drawing punch, a blank holder, a drawing die with at least one supporting region, at least one wall region and rounded run-in portions, which are provided between the supporting region and the wall region. | 02-20-2014 |
20140060281 | METHOD AND DEVICE FOR MECHANICALLY REMOVING COATINGS FROM COATED BLANKS USING A PRESS AND SCRAPING KNIFE - The invention relates to a method for the decoating at least in part of blanks made of metal which are coated on one or both sides in regions, which have a main extension direction, wherein the regions to be decoated can extend in both a straight or curved manner in the main extension direction. The invention further relates to a device for the decoating at least in part of a coated blank in order to carry out the method according to the invention. A method is provided in which the blank is placed on a blank support of a press and during the closing movement of the press at least one scraping knife preferably completely removes the coating of the blank by scraping substantially perpendicular to the main extension direction of the region of the blank to be decoated. | 03-06-2014 |
20140096579 | Method For Producing Slit Hollow Profiles - A method for producing slit hollow profiles from a cut blank is provided, in which the hollow profile is produced from the essentially flat blank using rolling-up technology or using U-O-forming, so that the hollow profile has a slit in the axial direction along the abutting edges of the formed blank. Highly dimensionally stable, slit hollow profiles can be produced which can be easily joined to form closed hollow profiles, is achieved by the cut blank providing a circumferential length in the locally provided cross-sectional areas which is greater than the required forming length, so that when the cut blank is formed into a closed hollow profile the opposite edges of the formed cut blank abut on one another and when it is formed into the final shape at least the areas of the hollow profile abutting on the edge joint are at least partly compressed in the circumferential direction. | 04-10-2014 |
20140331731 | Device and method for the deep drawing of shell parts with integrated head and frame trimming - The invention relates to a device for producing shell components having at least a lower region, a frame region and optionally a flange region from a planar or preformed plate with a drawing die and a drawing punch, the drawing die having a shaping region and at least one cutting region, the shaping region of the drawing die having at the end of the drawing operation the outer shape of the shell component to be drawn and to be cut in the lower region, frame region and optionally in the flange region, the drawing punch having a shaping region and at least one cutting region, the shaping region of the drawing punch having, at the end of the drawing operation, the inner shape of the shell component to be drawn and to be cut with a lower region, frame region and optionally a flange region. | 11-13-2014 |