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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Application No. | Application Title | Issue Date |
| 20110142566 | STUD FOR STUD WELDING A welding stud includes a shank and a head flange, which projects radially relative to the shank and whose outer circumference is of polygonal design in order to be able to apply a test torque (T) to the stud by means of a tool. The flange includes an annular section (<... | 06/16/2011 |
| 20100288736 | WELD STUD A weld stud 10 comprises a weld flange adapted to be welded to a workpiece and a portion integrally formed with the weld flange. The flange has a surface to be welded. The surface includes a flattened annular portion of a predetermined radial width at an outer periphery... | 11/18/2010 |
| 20100288735 | METHOD AND APPARATUS FOR DETERMINATION OF ELECTRICAL WELDING CIRCUIT VARIABLES A method for determination of electrical variables of a welding circuit which is connected to an electrical power supply device and operable to provide either a welding current or a lesser pilot current, the method including the steps of (a) determining the resistance o... | 11/18/2010 |
| 20100276400 | FRONT LOADING STUD WELDING HEAD The invention relates to a joining head arrangement for joining components, such as studs, onto a workpiece. The joining head arrangement comprises a housing and a slide that is mounted on the housing and is movable, by means of a linear drive, in a joining direction in... | 11/04/2010 |
| 20100176093 | METHOD OF SHORT-TIME STUD JOINING The invention relates to a method of short-time stud joining, a first workpiece, such as a stud for example, being joined with its end face onto a joining surface of a second workpiece, such as a metal sheet for example, with the steps of: a) creating an arc between the... | 07/15/2010 |
| 20080006613 | Short resistant welder A short resistant welder that includes, in some embodiments, a short circuit sensor configured to transmit a first signal indicative of a short circuit between a workpiece and a stud, and a stud welding controller communicatively coupled to the short circuit sensor. In ... | 01/10/2008 |
| 20070262058 | Welding system and method having power controller with workpiece sensor A welding system and method having power controller with workpiece sensor. In some embodiments, the welding system includes a stud welding power supply having a welding power output, a stud welding power controller, and a workpiece sensor. The stud welding power control... | 11/15/2007 |
| 20070007255 | Stud welding method A method of welding a stud 15 to a base material 14, both made of magnesium or magnesium alloy, comprising; a first step of disposing the stud 15 having a projection 28 at an end portion thereof to have a gap to the base material 14; a... | 01/11/2007 |
| 20060219670 | Stud welding method and stud welding device particularly for stud welding without a support foot The invention relates to a stud welding method, particularly for welding without a supporting foot, which makes it possible to securely detect the presence or the absence of a part to be welded in the stud holding device. For this purpose, in a first embodiment of the m... | 10/05/2006 |
| 20060124609 | Process for short-time arc-welding and short-time arc-welding system A process and a system are proposed for short-time arc-welding elements, such as for example metal studs, on to components, such as for example metal sheets, wherein an element in the context of a welding operation is initially raised in relation to the component, a wel... | 06/15/2006 |
| 20060118527 | Method and device for short-cycle arc welding The invention relates to a method for short-cycle arc welding with drawn-arc ignition, wherein a stud is welded to a piece of sheet metal, with the following steps: provision of a stud having an end face with which the stud is welded to a welding surface of the sheet me... | 06/08/2006 |
| 20050161442 | Method of joining plates with weld fastened studs A method of joining plates includes the steps of providing a one or more studs having a head, a barrel and a weld tip. The plates and studs are arranged such that a first plate having at least one hole is located between the studs and a second plate with each stud align... | 07/28/2005 |
| 20050072765 | Method and device for arc welding of elements to coated parts A device and a method are proposed for arc welding of elements, in particular metal studs to coated parts, in particular metal sheets, in which in a first step an element is moved relative to the part to at least partially break up the coating of the part. This produces... | 04/07/2005 |
