US20150135796A1 - Tool and method for repairing an arc welding torch - Google Patents
Tool and method for repairing an arc welding torch Download PDFInfo
- Publication number
- US20150135796A1 US20150135796A1 US14/540,846 US201414540846A US2015135796A1 US 20150135796 A1 US20150135796 A1 US 20150135796A1 US 201414540846 A US201414540846 A US 201414540846A US 2015135796 A1 US2015135796 A1 US 2015135796A1
- Authority
- US
- United States
- Prior art keywords
- conductor tube
- end portion
- tool
- profiled
- distal end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/28—Supporting devices for electrodes
- B23K9/29—Supporting devices adapted for making use of shielding means
- B23K9/291—Supporting devices adapted for making use of shielding means the shielding means being a gas
- B23K9/295—Supporting devices adapted for making use of shielding means the shielding means being a gas using consumable electrode-wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/28—Supporting devices for electrodes
- B23K9/285—Cooled electrode holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
Abstract
Description
- This application claims the benefit of U.S. provisional application Ser. Nos. 61/903,950 filed on Nov. 13, 2013 and 62/053,784 filed on Sep. 22, 2014. The disclosures of the above applications are incorporated herein by reference in its entirety.
- The present disclosure relates generally to welding apparatuses, and more particularly to arc welding apparatuses such as Metal Inert Gas (MIG) or Gas Metal Arc Welding (GMAW) welding guns, including consumables for generating a welding arc and diffusing a shield gas.
- The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
- In an arc welding apparatus, such as Metal Inert Gas (MIG) or Gas Metal Arc Welding (GMAW) welding gun, a welding wire is fed through the welding gun to provide a molten metal pool to join metal workpieces together. An inert gas is directed through the front (distal) end of the welding gun to provide a surrounding layer or blanket of shield gas to protect the molten metal pool from atmospheric contamination. The inert gas is typically a combination of various gases such as argon or helium, among others.
- A prior art MIG or GMAW welding gun typically includes a contact tip and a gas diffuser connected to the contact tip. The contact tip has a central bore to guide the welding wire to the workpieces. The contact tip transfers electrical current to the welding wire. The gas diffuser is typically threaded to the contact tip and defines gas passageways that direct the shield gas into a blanket of shield gas around the molten metal pool. The contact tip and gas diffuser are constantly subjected to high heat and are susceptible to wear due to high temperature operation.
- The present disclosure generally provides a contact tip/diffuser configuration for an arc welding apparatus, such as an MIG or GMAW welding gun with an increased consumable life. The various forms of the present disclosure provide a simplified structure, more uniform heat distribution and improved cooling to increase consumable life, among other benefits.
- In one form, a tool repairs an interior surface of a conductor tube for an arc welding apparatus. The tool comprises an elongated body. The elongated body has a proximal end portion and a distal end portion. A profiled end surface extends around the distal end portion of the elongated body. A central protrusion extends distally from the profiled end surface. The profiled end surface of the tool mates within the interior surface of the conductor tube.
- In another form, a tool for repairing an interior surface of a conductor tube of an arc welding apparatus. The tool comprises a body with a proximal end portion and a distal end portion. A threaded collar is secured around the proximal end portion of the body. The threaded collar is adapted to engage external threads of the conductor tube. A profiled surface extends around the distal end portion of the body. A central protrusion extends distally from the profiled end surface. The profiled end surface of the tool mates into an interior surface of a distal end portion of the conductor tube.
- In yet another form, a method comprises the step for repairing an interior surface of a conductor tube. The conductor tube defines a tapered spherical seat and an internal passageway. The method provides a tool having an elongate body with a proximal end portion and a distal end portion. The distal end defines a profiled end surface around the distal end portion for mating into the tapered spherical seat. A central protrusion extends distally from the profiled surface. The method includes aligning the central protrusion to extend into the internal passageway. The tool is positioned with the profiled end surface mating within the tapered spherical seat of the conductor tube and the central protrusion aligns in the internal passageway. A force is imparted on the proximal end portion of the tool. The force reshapes the tapered spherical seat of the conductor tube to conform around the profiled end surface to repair the tapered spherical seat.
- Further areas of applicability will become apparent from the description provided herein. It should be understood that the description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the present disclosure.
- The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way.
-
FIG. 1 is a side view of a prior art arc welding apparatus; -
FIG. 2 is a cross-sectional view of a consumable assembly and a conductor tube assembly constructed in accordance with the teachings of the present disclosure; -
FIG. 3A is a side view of a conductor tube with a conduit liner and a nozzle assembly constructed in accordance with the teachings of the present disclosure; -
FIG. 3B is a side view of a conductor tube with a conduit liner and another form of a nozzle assembly constructed in accordance with the teachings of the present disclosure; -
FIG. 3C is a side view of a conductor tube illustrating the alignment and a trim distance with an index marking in accordance with the teachings of the present disclosure; -
FIG. 4 is a side view of the conductor tube constructed in accordance with the teachings of the present disclosure; -
FIG. 5 is partial side view of a conductor tube assembly constructed in accordance with the teachings of the present disclosure; -
FIG. 6 is a perspective view of one form of a tool constructed in accordance with the teachings of the present disclosure; -
FIG. 7 is a partial side cross-sectional exploded view of the tool ofFIG. 6 aligning with a conductor tube assembly constructed in accordance with the teachings of the present disclosure; -
FIG. 8 is a partial side cross-sectional exploded view of another form of a tool aligning with a conductor tube assembly constructed in accordance with the teachings of the present disclosure; and -
FIG. 9 is a block diagram illustrating a method of using the tool in accordance with the teachings of the present disclosure. - The following description is merely exemplary in nature and is in no way intended to limit the present disclosure or its application or uses. It should be understood that throughout the description and drawings, corresponding reference numerals indicate like or corresponding parts and features. And although the term “MIG” or “GMAW” is used throughout the specification, it should be understood that the teachings of the present disclosure apply to any type of welding or cutting apparatus.
- Referring to
FIG. 1 , an arc welding apparatus, such as a MIG or GMAW welding gun, is illustrated and generally indicated byreference numeral 10. TheMIG welding gun 10 includes ahandle 12, aconductor tube 14 attached to thehandle 12, and aconsumable assembly 16 attached to theconductor tube 14. Thehandle 12 is connected to awelding cable 18 that carries welding current, shielding gas, and awelding wire 20 from a power source (not shown), a gas source (not shown), and a wire feeder (not shown) to thewelding gun 10. - The
consumable assembly 16 includes a plurality of consumable components including anozzle assembly 22 and acontact tip 24 that fits inside thenozzle assembly 22. The structure and operation of an exemplary arc welding apparatus has been disclosed in U.S. Pat. Nos. 5,491,321 and 5,338,917, which are commonly owned by the assignee of the present application, and the contents of which are incorporated herein by reference in their entirety. In addition, the structure and operation of thearc welding apparatus 10 incorporating a contact tip that provides for the function as a contact tip and a diffuser has been disclosed in related U.S. Published Application No. 2013/0126506, titled “Gas Diffuser for GMAW Manual/Robotic Arc Welding MIG Guns,” which is commonly owned by the assignee of the present application, and the contents of which are incorporated herein by reference in their entirety. - Referring to
FIG. 2 , theconsumable assembly 16 includes acontact tip 24 and thenozzle assembly 22. Thenozzle assembly 22 is secured to theconductor assembly 40. As shown, thenozzle assembly 22 is secured to adistal end portion 26 of theconductor tube 14. Thenozzle assembly 22 is substantially cylindrical in one form and receives thedistal end portion 26 of theconductor tube 14 therein. In one form, acontact tip 24 is coaxially disposed inside thenozzle assembly 22. Thenozzle assembly 22 further includes aseating surface 28 that is configured to mate with anend portion 30 of the contact tip 24 (which in one form is spherical as shown, but could be any shape including a linear or polynomial taper) into thedistal end portion 26 of theconductor tube 14. - In one form the
nozzle assembly 22 is secured onto thedistal end 26 of theconductor tube assembly 40, and thecontact tip 24 engages and presses against theseating surface 28 of anozzle insert 44. As thenozzle assembly 22 is tightened onto theconductor tube assembly 40, theseating surface 28 engages against theshoulder 46 of thecontact tip 24, thereby urging the sphericaltapered end 48 of thecontact tip 24 into the sphericaltapered seat 50 of theconductor tube 14. Thenozzle insert 44 tightens onto theconductor tube assembly 40 and the sphericaltapered end 48 of thecontact tip 24 is secured into engagement with the taperedseat 50. - Also seen in
FIG. 2 , theconductor tube 14 defines aninternal passageway 52, and aconduit liner 54 is disposed within theinternal passageway 52 as shown. Theconduit liner 54 has a guidingchannel 56 for guiding the welding wire 20 (not shown) to thecontact tip 24. Theconduit liner 54 preferably extends into aninternal cavity 58 of thecontact tip 24. The positioning of theconduit liner 54 within theinternal cavity 58 provides acontinuous guiding channel 56 for directly feeding the welding wire into thecontact tip 24. Proper positioning of theconduit liner 54 within thecontact tip 24, or “stick-out” relative to thedistal end portion 26 of theconductor tube 14, is a factor for the correct operation of thewelding torch 10. Theconduit liner 54 directs thewelding wire 20 through thewelding cable 18,torch 10,conductor tube 14, and into thecontact tip 24. - Additional aspects of the location and features of the
conduit liner 54 within theinternal cavity 58 of thecontact tip 24 has been disclosed in U.S. Published Application No. 2013/0126504 A1, which is commonly owned by the assignee of the present application, and the contents of which are incorporated herein by reference in their entirety. - Referring to
FIGS. 3A-3C , theconductor tube 14 can define a variety of geometries, and a curved geometry bending of various degrees is used depending on the application requirements. Theconductor tube 14 alternatively could be straight or flexible and configurable as has been disclosed in U.S. Published Application No. 2007/0284354, which is commonly owned by the assignee of the present application, and the contents of which are incorporated herein by reference in their entirety. Theconductor tube assembly 40 extends a length between itsdistal end 41 and itsproximal end 51. Theproximal end 51 is adapted to be secured to thehandle 12 of thewelding gun 10, and thedistal end 41 of theconductor tube 14 is adapted to receive the consumable assembly 16 (as shown inFIG. 1 ). - The
distal end 41 of theconductor tube 14 provides unique features to allow for an efficient and robust connection with theconsumable assembly 16, thenozzle assembly 22, and thecontact tip 24. For example, and is best seen inFIG. 3 , in one form thedistal end 41 has anouter surface 49 that includes two opposing flat faces 59, that allows for an anti-rotational engagement with a sleeve (not shown), the flat faces segment the otherwise curvedouter surface 22. Additionally, in another form, thedistal end 41 has a threadedopening 62 through at least one of the flat faces 59 for securing the sleeve. - As shown in
FIG. 3B , theconductor tube 14 is typically made from a copper alloy or other metal that has conductive properties and then is coated with aninsulation material 64, which in one form may be silicone, and finally covered with atube jacket 66 to provide durability and additional insulation from the electric current, which flows through theconductor tube 14 during operation of thewelding gun 10. Thetube jacket 66 by way of example may be made from a brass or stainless steel metal or alloy in one form of the present disclosure. - As shown in
FIGS. 4 and 5 , theconductor tube assembly 40 includes thesleeve 60 that slides over the profile of theouter surface 49 of theconductor tube 14, as previously set forth. Thesleeve 60 is secured to theconductor tube 14 in one form by theset screw 64 that is engaged through a threadedaperture 61 of thesleeve 60. The threadedaperture 61 is aligned with the threadedopening 62 of theconductor tube 14, and theset screw 64 removably secures thesleeve 60 in position over thedistal end 48 of the conductor tube 42. The sleeve defines an exterior threads 65 for securing theconsumable assembly 16. - Referring to
FIGS. 6 and 7 , an additional aspect of the present disclosure includes anindent tool 70 that can be used to repair deformation and wear damage to the sphericaltapered seat 50 within theconductor tube 14. Theindent tool 70, in one form, comprises anelongated body 72 having aproximal end portion 74 and adistal end portion 76. The distal end portion defines an external surface. The external surface of theindent tool 70 defines a profiledend surface 78. The profiledend surface 78 matches against aninterior surface 80 of thedistal end portion 26 of theconductor tube 14, which in one form is spherical. Theindent tool 70 comprises acentral protrusion 82 that extends distally from the profiledend surface 78. Thecentral protrusion 82 has a smaller diameter than the profiled end surface. The central protrusion extends into theinternal passageway 52 of theconductor tube 14 to assist a user in positioning theindent tool 70 in proper alignment with the sphericaltapered seat 50 of theconductor tube 14. Thecentral protrusion 82 may also utilize thechannel guide 56 to assist with aligning thetool 70 within the sphericaltapered seat 50. Once theindent tool 70 is in place and properly aligned within theconductor tube 40, a user imparts a force or strike to theproximal end portion 74 with a hammer or other tool (not shown). Since theconductor tube 14 is typically made from a rather malleable metal, such as a copper alloy, the user is able to repair minor wear and tear deformities in the distal end and the sphericaltapered seat 66 by applying an impact force to the proximal end portion 188 of the indent tool 184. - In addition, the
distal end portion 76 may further define additional features that may allow for aligning and controlling the depth of the tool into the spherical tapered seat. For example, the indent tool can further include ashoulder 84 that defines aflange 86. The flange may provide a stop surface against a distal end face 88 of theconductor tube 14. As best seen inFIG. 6 , thedistal end portion 76 further defines a spaceddistance 87 between the profiledend surface 78 and theflange 86. Therefore, the profiled end surface in an unrepair configuration is in contact with theinterior surface 80 and theflange 86 is the spaceddistance 87 from the distal end face 88 of theconductor tube 14. After the imparted force theindent tool 70 is driven proximally into theinterior surface 80 reshaping the sphericaltapered seat 50 by the profiledend surface 78. The distance between theflange 86 and thedistal end face 88 decreases to define a repaired configuration. Theflange 86 of thetool 70 therefore defines a maximum strike distance thetool 70 can be driven into theinterior surface 80 of theconductor tube 14 when theflange 86 abuts thedistal end face 88. It is appreciated that the tool may incorporate numerous features to assist the user with maintaining the alignment to reshape the sphericaltapered seat 50. - Referring to
FIG. 8 , in another form, anindent tool 170 comprises abody 172 having aproximal end portion 174 and adistal end portion 176. In this form, theindent tool 170 includes a threadedcollar 190 that is secured around theproximal end portion 174 of thebody 172. The threadedcollar 190 is adapted to engage with theexternal threads 204 of thesleeve 60 on theconductor tube assembly 14. As discussed in the form above, theindent tool 170 includes a profiledend surface 178 extending around thedistal end portion 176 of the body 196. The profiledend surface 178 matches theinterior surface 80 of thedistal end portion 26 of theconductor tube 14. Theindent tool 170 also includes acentral protrusion 182 that extends distally from the profiledend surface 178. In operation, thecentral protrusion 182 extends into theinternal passageway 52 as already discussed above. The user tightens the threadedcollar 190 onto theexternal threads 204 of thesleeve 60, and the tightening force imparts a force that can reshape and repair the sphericaltapered seat 50 in the malleable metal of the conductor tube 42. The threadedcollar 190 may be of various shapes including hexagonal to allow for user to torque with a wrench or other torque or driving tool. It is appreciated that various outside shapes and textures to the thread collar may be used to provide the needed grip or to further allow for the intent tool to be engaged with a wretch to increase the force. - Referring to
FIG. 9 the steps of amethod 300 for repairing aninterior surface 80 and the sphericaltapered seat 50 of aconductor tube 14. Afirst step 302 is providing atool 70 with abody 72 that defines aproximal end portion 76 and a distal end portion having a profiled end surface. Asecond step 304, the user aligns the central protrusion to extent into the internal passageway. Optionally, the central protrusion may engage with thechannel guide 56 to assist a user in maintaining proper alignment between the tool and the conductor tube. Athird step 306, the users positions the profiled end surface within the taperedspherical seat 50. Afourth step 308, the method imparts a force on the proximal end portion of the tool. The imparted force drives the tool into the spherical tapered seat. Thefifth step 310, the tool reshapes the taperedspherical seat 50 of theconductor tube 14 to conform around the profiledend surface 78. The impact and reshaping allows for repairing minor damage to the malleable material of theconductor tube 14. The imparted load may be in the form of an impact on theproximal end portion 74 or in another form the imparted force may be from a torque as the threaded collar 202 is turned into engagement with thethreads 204 of thesleeve 60. - The present disclosure is merely exemplary in nature and, thus, variations that do not depart from the spirit of the disclosure are intended to be within the scope of the present disclosure. Such variations are not to be regarded as a departure from the scope contemplated in the present disclosure.
Claims (19)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/540,846 US20150135796A1 (en) | 2013-11-13 | 2014-11-13 | Tool and method for repairing an arc welding torch |
US15/969,860 US20180311755A1 (en) | 2013-11-13 | 2018-05-03 | Tool and Method For Repairing An Arc Welding Torch |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201361903950P | 2013-11-13 | 2013-11-13 | |
US201462053784P | 2014-09-22 | 2014-09-22 | |
US14/540,846 US20150135796A1 (en) | 2013-11-13 | 2014-11-13 | Tool and method for repairing an arc welding torch |
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US15/969,860 Division US20180311755A1 (en) | 2013-11-13 | 2018-05-03 | Tool and Method For Repairing An Arc Welding Torch |
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US14/540,060 Active 2036-03-17 US9868174B2 (en) | 2013-11-13 | 2014-11-13 | Slip-fit nozzle assembly for an arc welding apparatus |
US14/541,136 Active 2035-02-04 US10052708B2 (en) | 2013-11-13 | 2014-11-13 | Collar assembly for securing consumables of an arc welding apparatus |
US14/541,069 Active 2035-04-20 US9895763B2 (en) | 2013-11-13 | 2014-11-13 | Nozzle insert for an arc welding apparatus |
US14/540,846 Abandoned US20150135796A1 (en) | 2013-11-13 | 2014-11-13 | Tool and method for repairing an arc welding torch |
US14/540,112 Abandoned US20150136749A1 (en) | 2013-11-13 | 2014-11-13 | System and method for matching arc welding consumables |
US14/540,798 Active 2035-09-02 US9889519B2 (en) | 2013-11-13 | 2014-11-13 | High performance contact tip and nozzle assembly for an arc welding apparatus |
US14/540,089 Active 2035-11-01 US9878394B2 (en) | 2013-11-13 | 2014-11-13 | Positioning system and method for arc welding consumables |
US15/848,346 Active US10322465B2 (en) | 2013-11-13 | 2017-12-20 | Positioning system and method for arc welding consumables |
US15/866,807 Active US10537959B2 (en) | 2013-11-13 | 2018-01-10 | Nozzle insert for an arc welding apparatus |
US15/866,802 Active US10556291B2 (en) | 2013-11-13 | 2018-01-10 | High performance contact tip and nozzle assembly for an arc welding apparatus |
US15/969,860 Abandoned US20180311755A1 (en) | 2013-11-13 | 2018-05-03 | Tool and Method For Repairing An Arc Welding Torch |
US16/043,573 Active 2035-08-13 US10981242B2 (en) | 2013-11-13 | 2018-07-24 | Collar assembly for securing consumables of an arc welding apparatus |
US16/738,130 Active 2036-08-15 US11701733B2 (en) | 2013-11-13 | 2020-01-09 | High performance contact tip and nozzle assembly for an arc welding apparatus |
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US14/541,069 Active 2035-04-20 US9895763B2 (en) | 2013-11-13 | 2014-11-13 | Nozzle insert for an arc welding apparatus |
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US14/540,798 Active 2035-09-02 US9889519B2 (en) | 2013-11-13 | 2014-11-13 | High performance contact tip and nozzle assembly for an arc welding apparatus |
US14/540,089 Active 2035-11-01 US9878394B2 (en) | 2013-11-13 | 2014-11-13 | Positioning system and method for arc welding consumables |
US15/848,346 Active US10322465B2 (en) | 2013-11-13 | 2017-12-20 | Positioning system and method for arc welding consumables |
US15/866,807 Active US10537959B2 (en) | 2013-11-13 | 2018-01-10 | Nozzle insert for an arc welding apparatus |
US15/866,802 Active US10556291B2 (en) | 2013-11-13 | 2018-01-10 | High performance contact tip and nozzle assembly for an arc welding apparatus |
US15/969,860 Abandoned US20180311755A1 (en) | 2013-11-13 | 2018-05-03 | Tool and Method For Repairing An Arc Welding Torch |
US16/043,573 Active 2035-08-13 US10981242B2 (en) | 2013-11-13 | 2018-07-24 | Collar assembly for securing consumables of an arc welding apparatus |
US16/738,130 Active 2036-08-15 US11701733B2 (en) | 2013-11-13 | 2020-01-09 | High performance contact tip and nozzle assembly for an arc welding apparatus |
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AU (8) | AU2014348615B2 (en) |
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US10583514B2 (en) | 2015-09-18 | 2020-03-10 | Illinois Tool Works Inc. | Contact tip rotary lock of a welding torch |
US10710189B2 (en) | 2017-01-31 | 2020-07-14 | Illinois Tool Works Inc. | Tip-retention device for use with a welding system |
US10773332B2 (en) | 2015-09-18 | 2020-09-15 | Illinois Tool Works Inc. | Contact tip and receiving assembly of a welding torch |
US10882133B2 (en) | 2017-01-31 | 2021-01-05 | Illinois Tool Works Inc. | Tip-retention device for use with a welding system |
US11103949B2 (en) | 2017-04-03 | 2021-08-31 | Illinois Tool Works Inc. | Quick connect configurations for welding necks and gas diffusers |
US11192202B2 (en) | 2018-02-06 | 2021-12-07 | Illinois Tool Works Inc. | Gas diffuser assemblies for nozzle assemblies having multiple attachment methods |
US11268693B2 (en) | 2018-02-06 | 2022-03-08 | Illinois Tool Works Inc. | Nozzle assemblies having multiple attachment methods |
US11938573B2 (en) | 2017-04-19 | 2024-03-26 | Illlinois Tool Works Inc. | Welding systems for cooling welding contact tips |
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PL3068571T3 (en) * | 2013-11-13 | 2019-05-31 | Victor Equipment Co | Nozzle insert for an arc welding apparatus, with an internal gas diverter ; arc welding apparatus with such nozzle insert |
MX2017003553A (en) | 2014-09-22 | 2017-07-28 | Victor Equipment Co | Two-piece nozzle assembly for an arc welding apparatus. |
US20170080510A1 (en) * | 2015-09-18 | 2017-03-23 | Illinois Tool Works Inc. | Contact tip and coupling assembly of a welding torch |
US11077515B2 (en) * | 2016-12-28 | 2021-08-03 | Illinois Tool Works Inc. | Nozzle and gas diffuser assemblies for welding torches |
US11590598B2 (en) * | 2017-06-09 | 2023-02-28 | Illinois Tool Works Inc. | Systems, methods, and apparatus to preheat welding wire |
USD969580S1 (en) * | 2021-01-12 | 2022-11-15 | Jonathan Evans | Ergonomic welding handle |
USD962028S1 (en) * | 2021-01-28 | 2022-08-30 | Lincoln Global, Inc. | Welding torch handle |
USD962029S1 (en) * | 2021-01-28 | 2022-08-30 | Lincoln Global, Inc. | Welding torch handle |
USD975512S1 (en) * | 2021-05-06 | 2023-01-17 | Alexander Binzel Schweisstechnik Gmbh & Co. Kg | Welding torch |
WO2023141645A1 (en) * | 2022-01-24 | 2023-07-27 | Elco Enterprises, Inc. | Welding end assembly for non-round wire |
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US10773332B2 (en) | 2015-09-18 | 2020-09-15 | Illinois Tool Works Inc. | Contact tip and receiving assembly of a welding torch |
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US11305371B2 (en) | 2017-01-31 | 2022-04-19 | Illinois Tool Works Inc. | Tip-retention device for use with a welding system |
US11103949B2 (en) | 2017-04-03 | 2021-08-31 | Illinois Tool Works Inc. | Quick connect configurations for welding necks and gas diffusers |
US11938573B2 (en) | 2017-04-19 | 2024-03-26 | Illlinois Tool Works Inc. | Welding systems for cooling welding contact tips |
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