Bizarre Patents
Ballistic resistant body covering
A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7281319 | Apparatus for manufacturing wire wound filter screens An apparatus for manufacturing a wire wound filter screen from wrapping wrap wire over a set of rib wires has a frame, a spindle for supporting the rib wires in a longitudinal orientation, a wire guide for delivering wrap wire around the rib wires as the spindle rot... | 10/16/2007 |
| 7173209 | Method and apparatus for welding sheet overlaps Where can bodies of sheet metal are welded between the welding rollers of a welding machine, the welding current is not applied to the welding rollers until the body is between the welding electrode rollers. In this way, the quality of the weld at the initial weld p... | 02/06/2007 |
| 7148776 | Electromagnetic clamp and method for clamping a structure The electromagnetic clamp and method includes an electromagnet and a clamping piece located on opposite sides of a structure to clamp the structure. The electromagnet attracts the clamping piece through the structure when the electromagnet is energized, such that th... | 12/12/2006 |
| 7037621 | Cell, cell production method, welded article production method and pedestal A metal plate and an electrode in a polymer lithium ion secondary battery or the like are welded certainly, and it is accomplished to further improve the reliability and the durability thereof. Each of an upper metal plate (7a) and a lower metal plate ... | 05/02/2006 |
| 6931729 | Method for manufacturing a filler neck In response to the recent various requests, the present invention provides a method for manufacturing filler neck to facilitate jointing a mouthpiece and a feeding pipe which were manufactured separately into an integrated filler neck having an excellent hermeticity... | 08/23/2005 |
| 6851988 | Apparatus and method for forming battery terminal posts In a battery post burning apparatus, the majority of the heat is supplied to the lead via the mold in which the finished post is being formed. The mold material in contact with the lead has a low thermal mass and high electrical and thermal resistance. The mo... | 02/08/2005 |
| 6812427 | Rolling head for an electric resistance welder A rolling head for a resistance seam welding machine comprises a stator; an annular electrode constituting the rotor rotatably mounted on the stator; a device for conducting electricity through a sliding contact, positioned between the stator and the rotor and press... | 11/02/2004 |
| 6747235 | Method and apparatus for welding sheet overlaps Where can bodies of sheet metal are welded between the welding rollers of a welding machine, the welding current is not applied to the welding rollers until the body is between the welding electrode rollers. In this way, the quality of the weld at the initial weld p... | 06/08/2004 |
| 6642471 | Method for the projection welding of high-carbon steels and high-tension low-alloy steels This invention provides an improved method of projection welding which enables the sound welding of high-carbon, and high-tension low-alloy steels. A spacer is disposed between two parts to be joined by projection welding. At least one of the parts is mad... | 11/04/2003 |
| 6452128 | Method of feeding a welding machine, as well as a welding machine and an automatic feeding device for carrying out the method In a rolled seam welding machine which can be fed from the front for producing a lap seam, the welding roller which is disposed in front of the Z rail can be swung away in order to facilitate automatic feeding of the welding stock into the Z rail.... | 09/17/2002 |
| 6396023 | Airtight sealing method and airtight sealing apparatus for semiconductor laser element The present invention provides a method for hermetically sealing a semiconductor laser element, by which the cleanness of a package can be maintained extremely satisfactorily in a stabilized state, in order to prevent organic substances from being adhered... | 05/28/2002 |
| 6323453 | Low inertia bearing for resistance seam welding wheel A seam welding apparatus having an improved bearing support arrangement for the transversely movable upper weld wheel. This upper weld wheel is nonrotatably secured adjacent one end of an elongate electrically conductive shaft, which shaft adjacent its ot... | 11/27/2001 |
| 6288355 | Seam welding method and apparatus To weld a workpiece rounded from plane metal sheet on a seam welding machine, the workpiece is introduced into a preform (7) whose internal shape is approximately the same as the workpiece. Stops (11, 12, 14) are used to fix the workpiece in place in the ... | 09/11/2001 |
| 6268581 | Seam welding machine A plurality of pistons are disposed in series in a circular electrode pressure cylinder and each of the pistons is separated. During low pressure output only one piston is used so that the friction force of the other pistons is not transmitted.... | 07/31/2001 |
| 6005216 | Advanced automatic machine for rapidly fabricating net metallic honeycomb core An automatic machine for rapidly fabricating a continuous length of metallic honeycomb core having a finite width and a precise height for use, substantially as fabricated, in bonding in a honeycomb core panel structure from a continuous strip of preforme... | 12/21/1999 |
| 5883353 | Seam welding machine and method for protecting welding electrodes In a welding electrode protecting machine, welding electrodes are protected against a surface treating agent on strips to be welded by applying a proper amount of electrode protecting agent onto surfaces of welding electrodes prior to or during welding op... | 03/16/1999 |
| 5841094 | Method and apparatus for resistance welding coated sheet metal For welding sheet-metal blanks coated with electrically conductive material, the thickness of the coating is measured with a measurement device. The welding current source controls the welding current I as a function of the film thickness reading obtained... | 11/24/1998 |
| 5811750 | Device for welding motor-vehicle bodies or sub-assemblies thereof A robot for welding motor-vehicle bodies or subassemblies thereof is provided with a head for carrying out wire resistance seam weldings. The welding head includes a pair of counter-rotating welding rollers through which an electric current is passed. A c... | 09/22/1998 |
| 5789718 | Mash seam welding process and mash seam welding apparatus Mash seam welding process and apparatus, wherein two plate-like workpieces having different thickness values are fed and guided by a guiding device such that a length WH of contact of the thick plate-like workpiece with one of two roller electr... | 08/04/1998 |
| 5724712 | Method and apparatus for automated processing and handling of welded sheet metal blanks A method and apparatus for automatically welding and handling welded tailored blank composites. The method comprises the steps of transferring first and second sheet component parts from respective input stacks to an assembly table of a welding machine. T... | 03/10/1998 |
| 5688412 | Apparatus for manufacture of rack and shelving system A novel method and apparatus is disclosed for the production of single plane ladder-type rack strip material in which wire cross bar elements are Tee-welded to the inside surface portions of opposed, parallel side elements formed of similar wire material.... | 11/18/1997 |
| 5676862 | Electric resistance welder having capability of consistent seam welding and heat-treating An electric resistance welder welds, hot reduces, tempers and planishes overlapped metal workpieces. The welder incorporates two transformers (50, 60) which are connected to two sets of wheel electrodes (26, 28 and 36, 38). Electric current from a first t... | 10/14/1997 |
| 5634255 | Method and apparatus for automated processing and handling of mash weldedsheet metal blanks A method and apparatus for automatically welding and handling mash welded tailored blank composites. The method comprises the steps of transferring first and second sheet component parts from respective input stacks to an assembly table of a mash welding ... | 06/03/1997 |
| 5473133 | Projection resistance welding method Two pieces of steel strip are welded together by a method employing projection resistance welding. A portion of one strip is formed with a series of aligned projections and arranged in superimposed relation with a portion of the other strip. The superimpo... | 12/05/1995 |
| 5471026 | Continuous resistance welding apparatus and method A relatively simple and inexpensive apparatus and method for providing high quality and aesthetically pleasing continuous resistance welded hollow metal articles at constant speed comprises an article workpiece conveying guide means for guiding the articl... | 11/28/1995 |
| 5391853 | Process for the roller seam welding of tanks and roller seam resistance-welding machine for carrying out the process A roller seam welding machine is provided with a contour-controlled table for the tank to be welded. The table is driven by a pinion (4) and a pantograph (16), in a known manner. To enable flanges (6) with a three-dimensional profile to be welded, the wel... | 02/21/1995 |
| 5347099 | Method and device for the electric welding of sheets of multilayer structure Methods and device for the electric welding of at least two sheets of multilayer structure (2,5), termed sandwich sheets, each including at least two metal sheets interconnected by a film of polymer. The method includes putting the inner faces (3a, 7a) of... | 09/13/1994 |
| 5313041 | Method of voltage measurement over the welding seam in a roller head welding machine and device for performing the method The measurement of the voltage over the welding point in order to supervise the welding quality takes place by means of voltage taps on the wire electrodes. As a result, the additional parasitic resistances during measurement by means of conventional volt... | 05/17/1994 |
| 5290990 | Seam welding machine for joining sheet blanks together The seam welding machine with welding arrangement 10 has a lower part (1) and an upper (2). Load-bearing components are upper and lower longitudinal girders (20, 21) with a rigid connection (3, 4) between them. For clamping sheet blanks (7, 8) for welding... | 03/01/1994 |
| 5249725 | Apparatus for re-using wires used once for mash seam welding The invention is related to an apparatus for re-using a copper wire having been used once for mash seam welding in a mash seam welder for mash seam welding a lap formed by overlapped opposite side edges of a metal sheet or like blank between upper and low... | 10/05/1993 |
| 5159168 | Sliding contact roller head A roller head (10) for a resistance seam welding machine has an internally located sliding contact current transmission device (24) between stator 12) and rotor (14) and is composed of a pair of circular ring-shaped discs (26, 26') which extend radially b... | 10/27/1992 |
| 5155405 | Electrode roller with flexible current transmitting disc A pendulum roller head for a resistance seam-welding machine is described, having a sliding contact current transmission device between a stator and a rotor, which device is composed of an annular disc which extends radially between rotor and stator, is f... | 10/13/1992 |
| 5131581 | Mash seam weld sheet splicer A pair of sheets are supported on a support assembly having skewed support rollers disposed on opposite sides of an elongate guide having a pair of sidewardly opening and vertically overlapping guide grooves. The pair of sheets are disposed on opposite si... | 07/21/1992 |
| 5128511 | Welding apparatus and transformer therefor A welding apparatus is disclosed to include an electrically insulating casing, first and second welding electrodes, and one or more welding transformer cores having toroidal cores, multi-turn primary windings and a single-turn secondary winding. The cores... | 07/07/1992 |
| 5122629 | Resistance seam welding machine A compact resistance seam welding machine wherein the upper electrode roller (14) is provided on a pivotally mounted arm (12) instead of on a pendulum roller head. The lower electrode roller (16), which is disposed below the upper electrode roller (14), i... | 06/16/1992 |
| 5081331 | Body blank welding machine Disposed on a central machine portion (10) are two clamping devices (32,34), each for a respective body blank (Pl,Pr), and a welding device (20) for welding together overlapping margins of the blanks (Pl,Pr). Di... | 01/14/1992 |
| 5064982 | Electric resistance seam welding method An electric resistance seam welding method for a hard-to-weld steel sheet is disclosed which prevents the occurrence of flashes. The steel sheet has metal harder than tin and an intermetallic compound as coating layers, the sheet thickness of the steel sh... | 11/12/1991 |
| 5042281 | Isothermal sheet rolling mill A method and apparatus for the solid-state forming of a metallic feedstock into thin sheet or foil is disclosed that uses improved isothermal roll forging techniques. The improvements include the use of rotatable backup rolls for increasing hollow work ro... | 08/27/1991 |
| 5030813 | Welding apparatus and transformer therefor A welding apparatus is disclosed to include an electrically insulating casing, first and second welding electrodes, and a welding transformer having a toroidal core, a multi-turn primary winding and a single-turn secondary winding. The core includes a gra... | 07/09/1991 |
| 5021626 | Resistance welding apparatus Apparatus for welding longitudinal seams in can bodies includes upper and lower electrode wheels mounted on arms, a transducer for detecting vertical displacement of the upper wheel, a pair of pick-ups for detecting the rotational positions of the wheels,... | 06/04/1991 |
