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| Number | Title | Issue Date |
| 7891536 | PVD target with end of service life detection capability A PVD target structure for use in physical vapor deposition. The PVD target structure includes a consumable slab of source material and one or more detectors for indicating when the slab of source material is approaching or has been reduced to a given quantity repre... | 02/22/2011 |
| 7766217 | Method for managing a continuous in-line metal strip processing installation, and installation for implementing this method The invention relates to a new method for managing the feeding of a new coil into a continuous inline processing plant of a band-type product, in particular for passing short coils through the production line. According to the inve... | 08/03/2010 |
| 7386927 | Apparatus to roll, cut, weld, and form tank car outer jackets A system and method of fabricating tank car outer jackets are provided that include supporting a plurality of coils of sheet metal on a plurality of coil supports such that the central longitudinal axes of the plurality of coils are generally parallel to a central l... | 06/17/2008 |
| 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 |
| 7232053 | Seam-welded air hardenable steel constructions The present invention provides seam-welded, air hardenable steel tubes, methods of manufacturing seam-welded air hardenable steel tubes, tube mills for practicing such methods and applications for using seam-welded, air hardenable steel tubing of the present inventi... | 06/19/2007 |
| 7171988 | Tubing for hydrostatic forming, hydrostatic forming apparatus, and hydrostatic forming method using the apparatus A tubing including an overlap portion formed by the first and second circumferential end portions overlapping and joined with each other, and a fluid leakage preventing member for preventing pressurized fluid from leaking from the tubing upon the tubing being subjec... | 02/06/2007 |
| 7107682 | Method for manufacturing tubes and profiles The invention relates to a method for manufacturing tubes and profiles with variable wall thickness over the length. The method comprises the steps of flexible rolling of continuous material strip with variable thickness in the longitudinal direction of the strip ma... | 09/19/2006 |
| 7024904 | Contour roll former in particular for extruded metal profiles A contour roll former capable of operating with different sets of pairs of roll forming heads depending on the type of extruded profile to be produced. The contour roll former includes pairs of heads mounted on carriages capable of sliding horizontally back and fort... | 04/11/2006 |
| 6955287 | Method of bonding metal plates, apparatus therefor and hot strip mill An upper shearing blade equipped with a protrusion of a triangle-columnar shape and a lower shearing blade equipped with a protrusion of the same shape are applied onto the overlapped portion of metal plates to be bonded, and then pressed into the metal plates in an... | 10/18/2005 |
| 6949728 | Impeder for manufacturing welded pipe An impeder, for manufacturing a welded pipe, including an insulating case 4 containing laminations 10 having coated steel sheets 8 formed by providing an insulating coating on untreated steel sheets having a thickness of 0.3 mm or less and an in... | 09/27/2005 |
| 6941652 | Methods of fabricating a thin-wall expandable well screen assembly An expandable well screen has a desirable thin-wall construction together with a simplified fabrication method. In fabricating the screen, a flexible sheet of metal mesh filter media is diffusion bonded to an inner side of a perforated metal sheet which is then defo... | 09/13/2005 |
| 6770834 | Welding machine An improved apparatus and method for the prevention of deformation and buckling of metal plates during welding processes is disclosed. The improved apparatus and method are used to apply pressure to a welded seam created between two metal plates during the welding p... | 08/03/2004 |
| 6629632 | Apparatus and method for manufacturing hollow shafts An apparatus and method for welding a shaft having an open seam defined between opposed longitudinal edges. The method comprising passing the shaft along its longitudinal axis through an array of pressure rollers which contact the surface of the shaft at ... | 10/07/2003 |
| 6572003 | Seam welding apparatus and seam welding method To provide a seam welding apparatus and a seam welding method that may operate at a low pressure to obtain a suitable overlapped alignment amount. In the seam welding apparatus, a trailing plate clamp moving means is provided with link mechanisms for over... | 06/03/2003 |
| 6555251 | Multi-layer, heat treatable brazing sheet with aluminum interlayer A four layer composite including a first interliner positioned between a 4xxx series braze clad and a core alloy and a second interliner positioned on the opposite side of the core alloy from the first interliner. At least one of the first and second inte... | 04/29/2003 |
| 6518533 | High strength steel tubing High strength steel tube is made from a full hard, cold rolled steel sheet having a chemistry compliant to S.A.E. J 403 grade 1026. The high strength of the tube is a result of specified thermal-mechanical processing of hot rolled sheet followed by contro... | 02/11/2003 |
| 6491209 | Continuous band manufacture A band saw strip manipulator is arranged to receive a toothed metal strip for welding from a cut to length machine. The strip is moved into the band saw strip manipulator by powered rollers. The strip extends between a first edge detector at one side of t... | 12/10/2002 |
| 6394335 | Method for producing a molded part and a molded part produced according to said method The invention relates to a molded part which is configured by initially forming a tubular body with a welded flange. Subsequently, the body is shaped in a mold placing the body under internal pressure to form a part or preform. Thus, preforms with a welde... | 05/28/2002 |
| 6386424 | Apparatus for making roof flashing units and method of making the units Ultrasonic welding apparatus is used for making roof flashing units. The roof flashing unites typically include a generally flat aluminum plate and a cylindrical aluminum element joined to the generally flat plate. Two ultrasonic welders are used to make ... | 05/14/2002 |
| 6328197 | Aerosol dispensing container and method for manufacturing same A container body is made from a composite sheet having a metal layer which has at least one side covered by a corrosion-resistant layer, such as a layer of thermoplastic. The sheet is moved under one or more high-pressure water jets which remove a strip o... | 12/11/2001 |
| 6286751 | Method of making an injection molding melt dividing bushing Multi-layer injection molding apparatus having integral multi-layer melt dividing bushings seated in the melt distribution manifold for dividing a first melt passage extending to annular melt channels in heated nozzles. Matching melt channels machined in ... | 09/11/2001 |
| 6279812 | Method for producing rotational-symmetrical articles of sheet metal with double curved surface and varying thickness of material A method for producing rotational-symmetrical sheet metal articles with double-curved shape and varying thickness, particularly rocket nozzles, in which a number of sheet metal part-blanks in flat condition are cut to partially circular ring-like shape, w... | 08/28/2001 |
| 6213381 | Method of bonding metal plates, apparatus therefor and hot strip mill A bonding apparatus for bonding metal plates, includes an overlapping mechanism for overlapping end portions of the metal plates, at least two supports for supporting the overlapped portion of the metal plates at one side of the metal plates, and a sheari... | 04/10/2001 |
| 6152351 | Process for manufacturing a wheel for a motor vehicle A process for manufacturing a wheel for a motor vehicle, in which a wheel spider and a rim ring are connected with one another by means of friction welding. At least one of these wheel parts consists of a magnesium alloy. The controlling of the speed of t... | 11/28/2000 |
| 6129257 | High temperature brazing fixture The present invention provides a brazing fixture and method of using the fixture which allows the brazing of a joint in an oxide-dispersion-strengthened (ODS) high temperature alloy workpiece where stresses in the workpiece operate to open the joint durin... | 10/10/2000 |
| 6123249 | Planishing apparatus and method Planishing or stress relief in a welded joint (34) is accomplished with a hammer (12) and a backing bar (26). The hammer is applied on a first side (1) to a first surface (31) of the structure (30). To indicate the proper position of the backing bar, a fi... | 09/26/2000 |
| 6099256 | Three dimensional figure eight propeller/impeller blade apparatus A propeller/impeller blade adapted to propel a vehicle or other device, create a vacuum, or move a medium, comprising a generally flat strip-like member having first and second opposite ends joined together to form a pair of contiguous loops with a genera... | 08/08/2000 |
| 6019273 | Process for manufacturing the frame of a back rest of a vehicle The invention relates to a process for producing the frame of the backrest of a motor vehicle seat from an originally straight metallic profile part which preferably has an I-shaped cross sectional area and which is bent into a U shape. In the middle part... | 02/01/2000 |
| 5950905 | Method and apparatus for welding container bodies In a guide and calibrating tool for guiding container bodies for welding, at least one of the guide rollers is driven. The drive is pneumatic, by compressed air blown by a nozzle onto recesses in the roller. The roller is driven only initially upon restar... | 09/14/1999 |
| 5890875 | Blade apparatus A three dimensional figure eight propeller/impeller blade apparatus is provided which may be used to propel a vehicle, power a shaft, create a vacuum, or move a medium. The blade apparatus is made from an elongated strip of generally flat material. In one... | 04/06/1999 |
| 5657922 | Machine and process for forming tapered or cylindrical utility poles from flat sheet metal A method and apparatus for producing tapered, cylindrical poles from trapezoidal metal strips. The process is comprised of the steps of curling or pre-forming a trapezoidal blank, then forming the pre-formed blank into a tubular shape by means of a shovel... | 08/19/1997 |
| 5520407 | Twist beam axle The specification discloses a vehicle twist beam axle subassembly incorporating a twist beam axle of generally V-shaped cross section formed of two legs which diverge away from the integral bight thereof, the ends of the legs being curled back into elonga... | 05/28/1996 |
| 5409255 | Twist beam axle The specification discloses a vehicle twist beam axle subassembly incorporating a twist beam axle of generally V-shaped cross section formed of two legs which diverge away from the integral bight thereof, the ends of the legs being curled back into elonga... | 04/25/1995 |
| 5351877 | Method of and device for manufacturing bands of steel A device and device for manufacturing loops of steel employed in continuous-operation presses to manufacture single-layer or multiple-layer webs of material. To equalize the tension in the ends of a strip before they are welded together to form a loop and... | 10/04/1994 |
| 5324073 | Tuned twist beam axle The specification discloses a vehicle twist beam axle subassembly incorporating a twist beam axle of generally V-shaped cross section formed of two legs which diverge away from the integral bight thereof, the ends of the legs being curled back into elonga... | 06/28/1994 |
| 5314108 | Method of producing welded tube with excellent corrosion-resistant inner surface Disclosed is a method of producing a welded steel tube with excellent inner surface corrosion resistance, in which at least one surface of a steel strip is coated with a first plate layer made of at least one of nickel, cobalt and alloys based on the meta... | 05/24/1994 |
| 5312026 | Welded tube with excellent corrosion-resistant inner surface and method of producing the same Disclosed is a welded tube with an excellent corrosion-resistant inner surface, in which the inner surface including the bead part has a first plate layer of one metal material selected from Sn, Sn--Zn, Sn--Ni, Ni--P and Ni--B and the first plate layer is... | 05/17/1994 |
| 5201457 | Process for manufacturing corrosion-resistant welded titanium alloy tubes and pipes A process for manufacturing welded titanium alloy tubes and pipes having good corrosion resistance and good mechanical properties from a titanium alloy which consists essentially, by weight, of one or more of the platinum group metals in a total amount of... | 04/13/1993 |
| 5163603 | Process of manufacturing hollow triangular upper control arm An upper control arm for a vehicle suspension system having a modulus section of hollow construction for reduced weight. The modulus section of the control arm is of a stamped and welded construction thereby eliminating material weight while reducing the ... | 11/17/1992 |
| 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 |
