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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7360386 | Sweep unit assembly The subject invention discloses a sweep unit assembly having a series of stations defining a path for an elongated article. A cradle is coupled to each of the stations. The stations are movable to introduce a first curve into the path and the article and each of the... | 04/22/2008 |
| 7350386 | Method and apparatus for making tubes In a method of making a tube, a sheet metal blank is placed in a U-shaped cavity of a lower mold of a shaping tool, and pressed into the cavity by a ram to shape the blank into a U-shaped configuration. In a next process step, the U-shaped blank is formed between an... | 04/01/2008 |
| 7231792 | Method and device for manufacturing UOE steel pipes A method and device for manufacturing UOE steel pipes, wherein, when an opening width of the U-can obtained by U-ing press is larger than the die-diameter in an O-press of later step, while said opening is narrowed from the front end by the closing rolls disposed be... | 06/19/2007 |
| 7204531 | Bumper beam structure for vehicles A bumper beam includes a metallic center beam mounted with a plurality of vertical members each integrally crossed by a horizontal member. A plastic outer beam encompasses an external side of the center beam and a plurality of ribs are mounted at the outside of the ... | 04/17/2007 |
| 7197824 | Cross member for vehicle bumper bar and method for making same A two step system or stage is provided to manufacturer a bumper of “B” shape cross section including a roll forming-welding stage where a straight cross member of a length to mount on the front or rear of various models of automobiles and the bending stage where... | 04/03/2007 |
| 7182393 | Low-profile high-strength vehicle door beam A vehicle door beam of relatively small profile and high strength. The door beam is fabricated from a web and includes a beam portion and brackets extending from opposite ends of the beam portion. The beam portion includes two lateral portions of the web rolled inwa... | 02/27/2007 |
| 7156433 | Bumper with energy absorber forming useful features A bumper system for a vehicle comprises a beam having a face and having mounts adapted for mounting to a vehicle frame, and an energy absorber engaging the face and having end sections located outboard of ends of the beam, the energy absorber being made of a structu... | 01/02/2007 |
| 7134700 | Bumper for reducing pedestrian injury A vehicle bumper system includes a beam, and an energy absorber with top and bottom horizontal sections and a mid-horizontal section. The horizontal sections form top and bottom nose portions that are semi-rigid but initially collapsible with a parallelogram motion ... | 11/14/2006 |
| 7108303 | Crushed profile bumper and method for producing A formed beam for use as a vehicle bumper having an elongated body exhibiting front and rear opposing surfaces and top and bottom surfaces interconnecting the front and rear surfaces, such that the beam defines a swept shape between first and second opposite ends. A... | 09/19/2006 |
| 7073259 | Apparatus and method for manufacturing an automotive beam In an apparatus and method for manufacturing an automotive beam for use as a beam in structural components of automobiles, the beam is provided with significant improvements in terms of torsional rigidity and yield strength. The beam improves the overall safety of p... | 07/11/2006 |
| 7055886 | Low-profile high-strength vehicle door beam A vehicle door beam of relatively small profile and high strength. The door beam is fabricated from a web and includes a beam portion and brackets extending from opposite ends of the beam portion. The beam portion includes two lateral portions of the web rolled inwa... | 06/06/2006 |
| 7032809 | Seam-welded metal pipe and method of making the same without seam anneal An apparatus and method for making a seam-welded steel pipe free of untempered martensite without seam anneal. The method includes selecting a steel containing a carbon concentration below a predetermined level, for example, 0.14% or 0.12% by weight. The method also... | 04/25/2006 |
| 7007989 | Back beam structure of automobile bumper A back beam structure of an automobile bumper in which the back beam is shaped to have the predetermined spaces respectively on top and bottom by bending one panel many times so that both ends of the panel meet at the front center of the back beam. The ends of the p... | 03/07/2006 |
| 6948649 | Method of producing steel pipes, and welded pipes The high yield ratio problem intrinsic in high-strength steel pipes is solved and a method of producing a steel pipe, while securing the pipe roundness is provided. A steel pipe produced from a steel plate by forming and welding is subjected to 0.3 to 1.2% of expans... | 09/27/2005 |
| 6923482 | Multiple material bumper beam A bumper beam includes a first portion of a first material and a second portion of a second material. The first material has different material properties than the second material. For example, the first material may have a generally higher tensile or yield strength... | 08/02/2005 |
| 6875942 | Methods and systems for fabricating spiral welded cylinders A method for forming a cylindrical body utilizing a continuous weld is provided. The method includes feeding a source material including a first edge and a second edge from a coil and offsetting at least one of the first edge and the second edge. The method further ... | 04/05/2005 |
| 6863321 | Bumper beam for a vehicle and a method of adapting a bumper beam to various vehicle models A bumper beam for a vehicle includes a hat beam (10) with a cover (14). The hat beam has a crown (11) and side flanges (12, 13), and the cover (14) is fastened to the side flanges. The crown is fastened to the vehicle body. The cov... | 03/08/2005 |
| 6848609 | Method of making finned tubes In a method of making finned tubes as components of air-cooled systems or condensers, a sheet metal strip of aluminum is first shaped into a waved finned structure with plural fins in parallel relationship and arched ends for connecting the fins, thereby defining cr... | 02/01/2005 |
| 6829826 | Method of making a cross member of a twist-beam axle for a motor vehicle In a method of making a cross member for a twist-beam axle of a motor vehicle, a band-shaped metal blank is shaped in a profiling unit in a continuous operation to a V-shaped or U-shaped double-walled hollow section having an outer wall and an inner wall, such that ... | 12/14/2004 |
| 6717093 | Methods and systems for fabricating spiral welded cylinders A method for forming a cylindrical body utilizing a continuous weld is provided. The method includes feeding a source material including a first edge and a second edge from a coil and offsetting at least one of the first edge and the second edge. The method further ... | 04/06/2004 |
| 6644535 | Truss core sandwich panels and methods for making same A structural material includes a plurality of discrete, interwoven wires disposed between and fastened to two solid face sheets. Each of the plurality of wires further includes at least two points of contact with each of the two face sheets. Methods for f... | 11/11/2003 |
| 6612481 | Wellscreen An apparatus and method of manufacturing a wellscreen for subterranean use in oil, gas, and water wells, incorporating numerous automated processes, whereby layers of mesh are continuously sintered to a perforated strip, formed into a tube, placed over a ... | 09/02/2003 |
| 6367332 | Triboelectric sensor and methods for manufacturing Triboelectric sensors which generate electrical signals in response to mechanical disturbances creating relative motion of conducting and dielectric components of the sensor are fabricated from thin metal foil which is plastic-coated on one side and which... | 04/09/2002 |
| 6063458 | Folded identification tags Broadly, the present invention is directed to a method for making a metal tag bearing visible indicia thereon and which can be welded onto a workpiece. Such inventive method commences by providing a metal sheet having a top face, a bottom face, and a pair... | 05/16/2000 |
| 5934544 | Apparatus and method for making an automotive bumper beam Disclosed is an apparatus and method for making an automotive bumper beam by a single roll forming. The apparatus of the present invention comprises an uncoiler; a straightener; a brake press; a first group of roll formers; a second group of roll formers;... | 08/10/1999 |
| 5813594 | Apparatus for forming an end bumper for vehicles An apparatus for forming an end bumper for vehicles constructed from a single sheet of high-tensile strength steel roll-formed to provide two side-by-side tubular sections. Each section has a front wall, an outer side wall, a rear wall, and an inner side ... | 09/29/1998 |
| 5756167 | Rigid elongated member for use in vehicles and producing method and apparatus therefor A method of producing an elongated member having a main body portion and terminal portions extending form ends thereof includes bending an elongated strip between circumferential faces of first forming rolls and second forming rolls having parallel centra... | 05/26/1998 |
| 5395036 | Method of roll-forming an end automotive bumper An end bumper for vehicles constructed from a single sheet of high-tensile strength steel roll-formed to provide two side-by-side tubular sections. Each section has a front wall, an outer side wall, a rear wall, and an inner side wall, the inner side wall... | 03/07/1995 |
| 5348213 | Method for the manufacture of internally enhanced welded tubing There is provided a method for the manufacture of a welded tube having an enhanced inner wall. A fin insert shapes the edges of a metallic strip prior to welding and minimizes the formation of a weld bead inside the tube. The portion of the edge of the me... | 09/20/1994 |
| 5328086 | Mechanism and method for removing twists in a tube forming machine A mechanism and method for counteracting and removing the twist of a rolled metal strip being formed into a tube by a tube forming machine. The mechanism has a frame rotatably mounted to the tube forming machine between the forming rolls and the seam guid... | 07/12/1994 |
| 5163225 | Process for forming a structural member utilizing high frequency electrical induction or resistance welding A structural member which comprises a pair of hollow end sections and an intermediate web characterized in that each hollow end section is welded to the intermediate web so as to form two weld lines or joins extending along the structural member. Suitably... | 11/17/1992 |
| 5137203 | Method for manufacturing a drum brake shoe A drum brake shoe is provided by fine blanking the brake shoe web (50) so that the web (50) has radially extending weld projections (60) at a circumferential edge (52), with a radial recess (62) disposed on each side of a weld projection (60). As a brake ... | 08/11/1992 |
| 5104026 | Apparatus for roll-forming an automotive bumper A bumper bar for vehicles formed from rolled sheet steel having a closed tubular profile designed to have a high impact resistance, high strength-to-weight ratio, and a low cost of manufacture. The bar is preferably swept along its longitudinal axis to cr... | 04/14/1992 |
| 5092512 | Method of roll-forming an automotive bumper A bumper bar for vehicles formed from rolled sheet steel having a closed tubular profile designed to have a high impact resistance, high strength-to-weight ratio, and a low cost of manufacture. The bar is preferably swept along its longitudinal axis to cr... | 03/03/1992 |
| 5069382 | Apparatus and method for producing a pressure vessel from metal tubing Conventional apparatus for forming pressure vessels from tubing involves a separate step of the forming of the tubing into coils and then separately welding the coils together. The conventional method has proven to be costly because of the type of apparat... | 12/03/1991 |
| 4971240 | Method and apparatus for forming heat exchanger tubes In a method and apparatus of forming a flat metal strip into a tube having generally flat side walls connected by bight portions along their opposite longitudinal edge portions comprising the steps of directing the strip between a pair of form rolls to be... | 11/20/1990 |
| 4971239 | Method and apparatus for making welded tapered tubes A welded tapered tube is made by deforming a flat, elongated trapezoidal sheet of metal into an elongated, U-shaped trough in a wagon open at its top and having a U-shaped trough for a bottom. The wagon moves along a track to carry the U-shaped sheet past... | 11/20/1990 |
| 4905885 | Method and apparatus for forming and welding thin-wall tubing A method and apparatus for forming thin-wall tubing in a funnel die or with a series of sets of forming rollers. The tubing is then welded by a method and apparatus which includes simultaneous guiding of the both the inner and outer peripheries of the tub... | 03/06/1990 |
| 4846389 | Apparatus for guiding can bodies in a laser welding machine An apparatus for guiding can bodies in a laser welding machine is described. The apparatus comprises a water-cooled holding-down shoe (22) with an integrated holding-down roller (24), gas supply (64) and suction extraction (68), the holding-down roller (2... | 07/11/1989 |
| 4796798 | Method of and apparatus for continuous production of seam-welded metal tubing An apparatus for continuous production of seam-welded steel tubing is proposed. The apparatus includes a series of shaping rolls for shaping a strip taken out from a strip coil into a tubular intermediate product, the roll series including a finpass roll ... | 01/10/1989 |
