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Match Document Document Title
8097825 Laser cladding apparatus and method  
A laser-clad processing apparatus of the present invention is one which is for carrying out laser-clad processing onto a valve-seat portion of a cylinder head, and is characterized in that it...
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...
6881919 Powder feed nozzle for laser welding  
A powder feed nozzle for laser welding applications including a multiple outlet nozzle tip for focusing a discharged powder stream. The multiple outlet nozzle tip disperses multiple outlet streams...
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...
6710291 Forming process and system  
A process forms workpieces in a forming system with at least one forming station. The workpieces are transported from or to the at least one forming station. Outside the time period provided for...
6566624 Welding assembly with nestable conductive ends  
A welding material in positioned in electrically conductive relation between exterior surface portions of first and second weldable members, such as hydroformed tubes, at a location where the first...
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...
6345425 Rollformer with transverse scorer  
An apparatus includes a scoring device for making transverse score lines on a roll of sheet material, a dimpler device or dimpler roller for making dimples adjacent the score lines at predetermined...
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...
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...
6215084 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...
6160235 Measurement of welds  
Resistance welds on overlapped sheets of metal, such as the welded side seam of 3 piece cans, are monitored by measuring the width of the extrusion (5, 6) formed by material flowing out from the...
6043448 Method of welding cylindrical bodies  
A method for welding using an on/off switching control. The switching control forms a wave cycle with a plurality of peaks. Within a half wave cycle (1/2f) of welding current f, the wave form takes...
5951885 Method and apparatus for generating welding pressure in a roller seam welding machine  
In a roller seam welding machine, the upper welding roller is led through a welding-force adjustment device with two spring elements. One spring is already effective when the initial deflection of...
5925264 Method and apparatus for detecting surface contamination in a weld area  
An apparatus/method for detecting contamination during welding is disclosed. In one embodiment, contamination is detected during the welding of overlapping metal portion used in the production of...
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...
5841090 Method and apparatus for the seam welding of containers  
For butt welding or lap welding container bodies, each body is guided between an outer current-carrying electrode roller and an inner roller. According to the invention the inner roller is movably...
5679272 Method of welding containers and apparatus therefor  
When welding a series of container bodies, the welding speed is at first increased to prevent the first body from colliding with the second body at the intake to the welding machine. The welding...
5676858 Roller seam welding process and electrode roller head mounting on a resistance seam welding machine  
The lower welding wheel (2) of a resistance seam welding machine is vertically adjusted by providing retaining pieces (10) for the stator (8) of the electrode roller head, which are able to...
5622637 Process for seam welding an overlapping sheet-metal seam  
In a seam welding process for overlapping sheets, in particular for welding can bodies, the welding force is momentarily reduced upon each insertion of a can body between the welding rollers. This...
5489757 Process for resistance welding arrangement for carrying out the process  
A process and apparatus for resistance-welding produce a welding current which pulsates in periodic half-waves, in particular an alternating current. The, welding current is generated from a...
5420389 Bearing mounts for electric-resistance can welders  
The disclosed bearing mount includes a bearing with inner and outer raceways and rollers operating between the raceways, the raceways being fixedly held fast relative to separated structures and...
5366137 Method and apparatus for shaping metal sheets into can bodies and feeding the can bodies to a welding station  
The can body to be welded in a welding station is shaped by gradually bending flat metal sheets zone by zone along a linear conveying route until the can body has been shaped. This linear conveying...
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)...
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...
5171961 Monitoring weld voltage  
A seam weld machine includes a voltage monitoring circuit (9) for determining weld quality. The voltage is sensed by two pick-ups. A first pick-up is in the form of a conductive rider (10), mounted...
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),...
5103070 Rail for guiding sheet-metal edges which are to be welded together  
A Z rail for welding the longitudinal edges of can bodies has two supporting bodies, each with a longitudinal groove comprising two lateral surfaces which are at least roughly parallel to each...
5089682 Roller electrodes for electric-resistance welding machine  
A roller electrode combination for use in electric-resistance welders, the electrode having relatively rotatable components separated by very small gaps, and an electrically and thermally...
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...
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...
5060840 Apparatus for conveying rounded can body blanks to a welding unit  
A conveying apparatus feeds can body blanks to a welding unit with the longitudinal edges of the can body blanks even, without being offset in the longitudinal direction. The apparatus includes a...
4956536 Device for pre-calibrating hollow cylindrical bodies in seam welding machines  
Tin cans are pre-calibrated prior to entering between the electrode rollers of an automatic seam welder, by a device installed immediately upline of the final calibration and weld station; such a...
4950192 Method of manufacturing of color display tube  
A method of manufacturing a color display tube in which after the envelope is formed the shadow mask is displaced relative to the display window via movable positioning members provided in the...
4947013 Apparatus for the guiding of can bodies of a non-circular cross-section  
The guiding apparatus for a body for the production of can bodies having a non-circular cross-section by interconnecting the edges of the body by means of making a longitudinal seam comprises at...
4947014 Method and apparatus for producing can bodies of a non-circular cross-section  
In order to produce can bodies having a noncircular cross-section, preferably a rectangular cross-section with rounded corners, flat planar blanks are initially deformed in a deforming station by a...
4939335 Circuit for measuring the voltage drop between the welding electrodes of a resistance welding machine  
What is described is a circuit for measuring the effective voltage drop at the welding position (30) between the welding electrodes (14,16) of a resistance seam welding machine. A first measuring...
4912292 Z-bar for forming can material  
An alignment tool, such as a Z-bar or a crossover Z-bar, for use in a welding device for seam welding cylindrical can bodies, has the improvement that the guide grooves for the Z-bar are formed in...
4886953 Electrode wire for a roller seam welding machine  
What is described is an electrode wire (20) which, in contrast to conventional electrode wire (10), is provided with flanges (30,31) formed on it to support it on the circumference of a roller...
4879445 Seam welding apparatus with edge detection  
An apparatus for seam welding is disclosed, in which a metal plate or a surface-clad metal plate in a cylindrical form with a strip-like overlap section S constituted by two overlapping edge...
4870241 Conveyor device for can bodies in a can welding machine  
Can bodies (1) rounded around an arm (16) are taken over by endless conveying tracks (30;50). These are each guided over guide devices (32;52) and a drive wheel (33;53) and each comprise a run...
4868364 Seam welder with feedback control to compensate for varying welding speed  
A seam welder with wire electrodes inserted between upper and lower roller electrodes to weld an overlap section of a cylinderical body formed of metal plate between the electrodes. The power...
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...
4840304 Butt-welded cans and process for manufacturing the same  
A process for manufacturing the butt-welded cans comprises the steps of applying a 0.5 to 3.5 μm thick organic resin film for preventing the adhesion of melted metal particles to at least a ...
4839491 Method for forming a metal cylindrical container  
An improved method of forming a cylindrical metal can body is disclosed. The improvement includes forming special ears for the bale and orienting the ears in a specific direction so that the ears...
4837418 Method and apparatus for forming welded rings  
A welding machine for welding opposed ends of a forming blank using a micro plasma welding device. The blank formed into a ring and the ends of the ring are clamped in an opposed manner and welded....
4830258 Method and apparatus for producing a container body having a butt welded longitudinal seam from a sheet metal blank  
To make a container with a butt welded longitudinal seam, the side edges of a preformed blank are guided by straight grooves so that the side edges converge at an acute angle. At the point of...
4824007 Method and device for the orientation and logitudinal movement of rounded can bodies in relation to a welding apparatus  
In order to hold the longitudinal edges (12, 14) of a can body (10) which are to be butt-welded together contiguous with one another on the way to a welding apparatus (52), the can body (10) is...
4803325 Resistance seam welding machine  
A resistance seam welding machine is described, particularly for the longitudinal seam welding of can bodies, wherein, in the secondary loop (16), feed and return lines are constructed partially as...
4774391 Machine for welding together the longitudinal edges of rounded can bodies  
Two endless flexible conveying strands (22, 24) run, parallel to one another, over a drive mechanism (26, 28), a guide mechanism (30, 32, 34) and a conveying track for the body blanks (10). The two...
Matches 1 - 50 out of 147 1 2 3 >