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| Number | Title | Issue Date |
| 7246736 | Supplying shielding gas A flexible articulate tubular device has a shank, a plurality of pivot rings, and a terminus with heat sensors and a fiber optic device. The flexible articulate tubular device is initially positioned, either manually or automatically, near a target weld path with th... | 07/24/2007 |
| 7135655 | Arc welding cable An arc welding cable that is resistant to bending and twisting and can give a long life is provided. For this purpose, an arc welding cable (65) for supplying a welding current, a welding wire and a sealed gas from a wire feeding device (61) to a weldi... | 11/14/2006 |
| 7105766 | Welding torch having removable handle and method of operating same A welding torch having a torch body that is adapted to receive a welding electrode. A collet and collet body, or other mechanism, may be used to secure the electrode to the torch body. The welding torch has a handle that is securable to the torch body, but which may... | 09/12/2006 |
| 6855905 | Flexible welding torch having restraining member to avoid overextension and method of assembling same A positionable welding torch for a welding system is featured. The torch comprises a torch head, a handle, and a flexible portion coupled to the torch head and the handle. The flexible portion is adapted to enable the torch head to be positioned relative to the hand... | 02/15/2005 |
| 6472631 | Strain relief mechanism for a plasma arc torch The present invention relates to a strain relief mechanism for a plasma arc torch. In particular, the invention relates to a strain relief system including a positive axial restraint component for restraining axial movement of a lead relative to a housing... | 10/29/2002 |
| 6462309 | Welding torch The invention describes a welding torch (1), consisting of a main body (2) comprising at least one part, in which a feed device (10) for a welding rod (7) is disposed and which is joined to a connecting piece (21) in order to receive a contact pipe (23). ... | 10/08/2002 |
| 6066835 | Welding lead assembly A welding lead assembly for use with a metal inert gas welding system to operatively couple a welding gun through an electrode feed unit of the metal inert gas welder to a power supply and an inert gas supply, the welding lead assembly includes a unitary ... | 05/23/2000 |
| 5728995 | Arc welding torch An arc welding torch includes a current conducting mounting block which provided with an open-ended socket for receiving the mounting end of a current conducting removable and rotatable barrel having a welding tip at the free end thereof. Welding wire, in... | 03/17/1998 |
| 5403987 | Gas shielded welding torch An improved gas shielded welding torch having a head portion adopted to retain a tungsten electrode therein and flexible handle portion which supplies electric current and inert shielding gas to the head portion. The handle portion includes a bendable met... | 04/04/1995 |
| 5338917 | Ergonomic welding gun with quick disconnect cable assembly The present invention includes several features which can be used alone or in combination. The three (3) primary features are: 1) an ergonomically designed welding gun; 2) a quick disconnect cable assembly, and 3) an improved contact tip and diffuser. The... | 08/16/1994 |
| 5166496 | Sheathed head assembly and process of making A sheathed head assembly for a welding or cutting torch includes a conductive torch head which is bonded to a conductor that feeds current to the torch head with a conductive and resilient adhesive. The conductor is helical and flexible so as to be bendab... | 11/24/1992 |
| 4268740 | Flex head welding torch having disc spring biasing elements The disclosure relates to a welding torch with a flexible welding torch head. The head is in the form of a ball and socket with a fluid passage and is biased in position by disc springs which also have fluid passages.... | 05/19/1981 |
| 4145595 | Gas shielded arc-welding torch A gas-shielded arc-welding torch constituted by a holder section having a barrel adapted to retain a tungsten electrode and a handle section which supplies electric current to the holder section as well as an inert gas thereto, the holder section being be... | 03/20/1979 |
| 4102483 | Method for feeding a welding wire A welding wire feed method and apparatus involves feeding a welding wire in a conduit cable to a workpiece, while maintaining it normally in one plane in the form of a sine curve in the conduit cable.... | 07/25/1978 |
| 3999033 | Arc welding torch having a flexible wire guide assembly The flexible wire guide assembly of the torch is located between the torch body and the nozzle assembly and includes at least two layers of helically wound multi-strand conductor circumferentially arranged in concentric relation to form an annular passage... | 12/21/1976 |
