Patent application number | Description | Published |
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 |
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 |
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 |
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 |
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 |
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 |
Patent application number | Description | Published |
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 |
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 |
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 |
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 |
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 |