EP3917712A1 - Device for welding, use of a device, an insulating means body, and a production method - Google Patents
Device for welding, use of a device, an insulating means body, and a production methodInfo
- Publication number
- EP3917712A1 EP3917712A1 EP19712120.5A EP19712120A EP3917712A1 EP 3917712 A1 EP3917712 A1 EP 3917712A1 EP 19712120 A EP19712120 A EP 19712120A EP 3917712 A1 EP3917712 A1 EP 3917712A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- welding
- insulating body
- gas
- integrated
- welded
- 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.)
- Pending
Links
- 238000003466 welding Methods 0.000 title claims abstract description 95
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 238000000034 method Methods 0.000 claims abstract description 55
- HSFWRNGVRCDJHI-UHFFFAOYSA-N Acetylene Chemical compound C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000000498 cooling water Substances 0.000 claims abstract description 26
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000004033 plastic Substances 0.000 claims abstract description 13
- 229920003023 plastic Polymers 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 10
- 238000000149 argon plasma sintering Methods 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims description 38
- 238000010146 3D printing Methods 0.000 claims description 24
- 239000007789 gas Substances 0.000 claims description 18
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 230000009477 glass transition Effects 0.000 claims description 7
- 239000011152 fibreglass Substances 0.000 claims description 6
- 230000004913 activation Effects 0.000 claims description 5
- 229910052786 argon Inorganic materials 0.000 claims description 5
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 4
- 229920004738 ULTEM® Polymers 0.000 claims description 4
- 229920006125 amorphous polymer Polymers 0.000 claims description 4
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 4
- 239000012212 insulator Substances 0.000 claims description 4
- 229920001652 poly(etherketoneketone) Polymers 0.000 claims description 4
- 229920002530 polyetherether ketone Polymers 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 229920000491 Polyphenylsulfone Polymers 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 229920001601 polyetherimide Polymers 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000000746 body region Anatomy 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
- B23K37/0217—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track the guide member being fixed to the workpiece
-
- 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
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0276—Carriages for supporting the welding or cutting element for working on or in 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0282—Carriages forming part of a welding unit
-
- 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
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
Definitions
- Welding device use of a device, an insulating body and a method of manufacture
- the invention relates to a device for welding in the orbital welding process according to the preamble of claim 1, a use of a device for welding in the orbital welding process according to the preamble of claim 10, an insulator body according to the preamble of claim 11 and a method for producing a device for welding according to the preamble of claim 12.
- the object of the present invention is to provide a simple and safely cooled device for orbital welding.
- a device for welding in the orbital welding process using welding gas in an arc welding process comprising a receiving area into which a tubular round object to be welded can be used, the receiving area being in particular divided into two parts with a folding joint means for collapsing a closing area is constructed, a welding means rotating around the receiving area, through which the tubular tubular object to be welded is to be welded in a round trip by means of an arc welding process, an electrically chargeable pole means, in particular positive pole means, on two surrounding outer plate means comprising in particular metal, in particular aluminum side parts, in particular aluminum clamping shell housings, and an oppositely electrically chargeable pole means, in particular negative pole means, on the receiving area with the rotating welding means, with between the positive pole means and the negative pole an electrically insulating, heat-stable body of insulating material is arranged in each case, a 3D-printed area being integrated in one, in particular in two, insulating body, which is produced and / or integrated in particular by means of
- the device according to the invention including an advantageous construction, it is possible to bring cooling water three-dimensionally to where heat removal is required, for example directly to cool mechanical elements for the precise operation of the welding device, in particular to prevent gear axles from expanding, in order to more precisely guide the rotor to enable in which the hot electrode is screwed, in particular in the narrow body of a microhead, in which no space is provided for conventional water pipes.
- Invent According to the head can be supplied in a targeted and needs-based manner.
- the invention it is possible to homogeneously incorporate / print the line means for cooling water and also gas channels into the construction.
- the course of the water can only be cooled with water from the outside in the area of the welding gun near the handle, since no water can be brought through the joint of the gun area.
- homogeneous cooling without cold bridges in the welding head is therefore not possible.
- the line means for the gas supply is also integrated and can be directly flowed into the welding chamber. As a result, there is no contamination of the gas due to possible abrasion of the gearwheels when the gas is flooded, which is particularly important in rocket and reactor construction, and here too, if only gas-cooled welding heads are used, homogeneous cooling by cold welding gas as well the gas flows evenly into the welding chamber.
- Cooling lines in the welding device according to the invention are integrated according to the invention directly in the insulating body, so that reliable cooling down to the tip of the pliers is possible and cold spots or uneven temperature distribution are prevented, which can lead to tension.
- the conduit means for the welding gas can also be brought closer to the arcing areas in the integrated form of the device according to the invention, so that less gas is required.
- Mechanics are currently flooded with argon for arc activation to expel oxygen through mechanical drive elements, in particular gear areas, about 6-30 l / min.
- the outer plate made of metal is partially hollowed out by means of milling on the surface, so that cooling water pipes can be laid therein, and an intermediate plastic insulation between the inner rotor and outer plate is additionally cooled by gas and / or water pipes Copper.
- the two-part head can be cooled very homogeneously, especially with integrated micro bores.
- conduit means for cooling water are integrated into the insulating body to reach end areas of the receiving area, in particular up to a height of a hinged joint means.
- conduit means for welding gas reaching into the end areas of the receiving area, in particular up to gas escapes in the receiving area are integrated in the insulating body, in particular for welding gas in the form of argon for arc activation.
- the gas flow can be carried out according to the invention.
- Gas comes out of the bottle cold due to the pressure release after the discharge and is simply led into the welding room in the prior art.
- the gas can be used for cooling in the first course and then fed into the welding chamber.
- the gas comes cleanly into the welding space through the line routing provided, which is particularly important for the semiconductor or aerospace industry, in particular a weld seam of an Arian missile.
- the gas flow according to the invention does not touch any mechanical gear wheel wear. That the conduit for the welding gas is designed to be able to be guided through the mechanical actuation means.
- conduit means for welding gas and / or conduit means for cooling water are arranged one above the other in the insulator body in one or more levels. It is possible to construct XYZ axes in a targeted, free-to-think way and the designer is to be given all possibilities which, for example, also affect radii, levels, circles etc. around gear wheels etc., which also means, for example, congestion in gas or cooling water and reaching river can be avoided.
- actuating means in particular for the welding means in particular mechanical drive means, in particular gearwheels and / or pin means for gears and / or bearings for gears, in particular ball bearings, are integrated into the insulating body,
- each insulating element body has individually adapted, integrated cable elements and / or integrated actuating means.
- an insulating material body comprising heat-stable plastic, in particular glass fiber reinforced, in particular with glass fiber reinforced plastic with glass transition temperatures of up to 280 ° C., in particular glass fiber reinforced plastic with about 30% glass content.
- an insulating medium body comprising amorphous polymers is formed with glass transition temperatures above 200 ° C., in particular adapted to nozzle temperatures in 3D printing, in particular more than approximately 220 ° C., in particular bet and space in 3D printing hotter than approximately 15 ° C, especially hotter than 200 ° C.
- Filaments and printers which can print amorphous polymers are advantageously used, with glass transition temperatures which are above 200 ° C, these requiring very high nozzle temperatures, in particular more than 350 ° C, and bed and the space hotter than 120 or 200 ° C, which then enables homogeneous printing combined with high strengths of the insulating body.
- an insulating body comprising polymers such as PEEK and / or PPSU and / or PEI Ultem and / or PPS and / or PEKK is formed.
- an insulating medium body according to the invention is advantageously 3D-printed with polymers such as PEEK, PEI Ultem, PPS, PEKK. You have well insulated elements, heat resistant and less rework.
- a device for welding in the orbital welding process by means of welding gas in an arc welding process comprising a receiving area into which a tubular round object to be welded can be inserted, the receiving area being constructed, in particular in two parts, with a folding joint means for folding a closing area, a welding means rotating around the receiving area, through which the weldable item is welded , tubular round object is to be welded in a round trip by means of an arc welding process, an electrically chargeable pole means, in particular positive pole means, being set up on two surrounding outer plate means, in particular metal, in particular aluminum side parts, in particular aluminum tensioning shell housings, and an oppositely chargeable pole - Medium, in particular negative pole means, on the receiving area with the rotating welding means, an electrically insulating, heat-stable body of insulating means being arranged between the positive pole means and the negative pole means, one in the insulation, in particular in two
- the object is also achieved by a method for producing a device for welding using the orbital welding method using welding gas in one Arc welding method, in particular according to one of claims 1 to 9, whereby a receiving area into which a tubular round object to be welded can be inserted, the receiving area being constructed in two parts in particular with a folding-joint means for folding a closing area into which one rotating around the receiving area Welding agent is installed, by means of which the tubular round object to be welded is to be welded in a round trip by means of an arc welding process, an electrically chargeable pole means, in particular positive pole means, being set up on two surrounding outer plate means comprising in particular metal, in particular aluminum side parts, in particular aluminum clamping shell housings and an oppositely chargeable pole means, in particular negative pole means, on the receiving area with the rotating welding means, an electrically insulating, heat-stable insulating means between each positive pole means and negative pole means Elkorpus is arranged, a 3D printed area being integrated in one, in particular in two,
- a receiving area into which a tubular round object to be welded can be inserted is, the receiving area is in particular constructed in two parts with a hinged joint means for folding a closing area into which a welding means rotating around the receiving area is installed, through which the tubular, round object to be welded is to be welded in a round trip by means of an arc welding process, whereby an electrically chargeable pole means, in particular positive pole means, on two surrounding outer plate means comprising in particular metal, in particular aluminum side parts, in particular aluminum Clamping shell housings, is set up and an oppositely chargeable pole means, in particular negative pole means, on the receiving area with the rotating welding means, an electrically insulating, heat-stable insulating body being arranged between the positive pole means and the negative pole means, one in one, in particular in two, insulating body 3D-printed area is integrated
- 1 a is a perspective device for orbital welding
- FIG. 1 c an insulating body according to the invention in a sectional view
- FIG. 2a an insulating body according to the invention in a sectional view
- FIG. 2 b an insulating body according to the invention in a sectional view
- FIG. 2 c an insulating body according to the invention in a sectional view.
- FIG. 1 a shows a device 1 for welding in the orbital welding process by means of welding gas in an arc welding process, comprising a receiving area 2, into which a tubular round object to be welded can be inserted, the receiving area 2 being in particular divided into two parts with a folding joint means 5 for folding together a closing area 3, a welding means 6 rotating around the receiving area 2, by means of which the tubular tubular object to be welded is to be welded in a round trip by means of an arc welding process , a positive pole means comprising two surrounding outer plate means 7 in particular metal, in particular aluminum side parts, in particular aluminum tensioning shell housings, and a negative pole means on the receiving area 2 with the rotating welding means, an electrically insulating, heat-stable insulating body 4 being arranged between the negative pole means and the positive pole means, in one, in particular A 3D-printed area is integrated into two insulating body 4 by means of 3D printing, in particular with one or more line means 8 for welding gas and / or one or more line means 9 for
- FIG. 1 b shows an insulating body 4 according to the invention, produced in the 3D printing process, can be used in an orbital welding gun, as in FIG. 1 a, with a receiving area 2 and, for example, with one or more conduit means 9 for cooling water, some of which are recognizable that extend into end areas 12 of the line means, line means 9 for cooling water reaching into end areas 10 of the receiving area 2, in particular up to a corresponding height of a folding joint means 5 in the corresponding one, shown in FIG. 1 Outer plate means 7, in the insulating body 4 are integrated.
- FIG. 1c shows an insulating body 4 according to the invention, the area of the sectional view opened in FIG. 1b being shown here in a sectional view.
- An exemplary conduit 9 cools a body region 16 and another, for example, the end region 10.
- FIG. 2a shows an insulating body according to the invention, produced in 3D printing, with a plurality of functional levels 13, which merge into one another homogeneously, essentially in one piece, can be integrated in the line means 8, 9 one above the other and / or next to one another and thus multifunctional and at the same time can work safely up to end areas 10, 12.
- Line means 8 for welding gas extend up to end areas 12 of the receiving area 2, in particular up to occur 11 in the receiving area 2, in particular for welding gas in the form of argon for arc activation.
- Pipe means 8 for welding gas and / or pipe means 9 for cooling water can thus be arranged safely and in a simple manner in one or more levels 13 one above the other in the insulating body 4.
- actuating means 14, in particular for the welding means in particular mechanical drive means, in particular gearwheels and / or journal means 15 for gearwheels and / or bearings for gearwheels, in particular in order to avoid different expansion lengths under temperature load and for a considerable saving of space.
- ball bearings can be formed integrated in the insulating body 4.
- FIG. 2b shows an insulating body 4 according to the invention opened with a plurality of functional levels 13 ′′, 13 “, 13 ′′”, which can represent a further exemplary functional level 13 on an insulating body 4 as shown by way of example in FIG. 2a.
- FIG. 2c shows an insulating body 4 according to the invention with a plurality of functional levels 13 ', 13 ", 13'", for example on a lower functional level 13 ', as for example in FIG. 2a and a subsequent level, which is shown here in a more closed manner 13 ”as shown in Fig. 2b.
- a variety of functions can be integrated into the insulating body, which are at the same time safe and designed right into the outside so that, for example, no thermal bridges can arise on sensitive mechanical elements.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Arc Welding In General (AREA)
- Laser Beam Processing (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019000668.2A DE102019000668A1 (en) | 2019-01-31 | 2019-01-31 | Welding device, use of a device, an insulating body and a method of manufacture |
PCT/DE2019/000042 WO2020156599A1 (en) | 2019-01-31 | 2019-02-21 | Device for welding, use of a device, an insulating means body, and a production method |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3917712A1 true EP3917712A1 (en) | 2021-12-08 |
Family
ID=65818121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19712120.5A Pending EP3917712A1 (en) | 2019-01-31 | 2019-02-21 | Device for welding, use of a device, an insulating means body, and a production method |
Country Status (4)
Country | Link |
---|---|
US (1) | US20220080536A1 (en) |
EP (1) | EP3917712A1 (en) |
DE (2) | DE102019000668A1 (en) |
WO (1) | WO2020156599A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11660711B2 (en) * | 2019-06-06 | 2023-05-30 | Raytheon Technologies Corporation | Radially outward orbital welding technique as a joining method used for inner tube to fitting connections in double wall tube configurations |
CN113809481B (en) * | 2021-09-07 | 2023-01-24 | 厦门海辰储能科技股份有限公司 | Negative pole column disc, lithium ion battery and welding method of lithium battery |
FR3130666A1 (en) | 2021-12-16 | 2023-06-23 | Axxair | Orbital welding device |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5288963A (en) * | 1993-07-22 | 1994-02-22 | Hobart Brothers Company | Actively cooled weld head cassette |
US5571431A (en) * | 1995-03-31 | 1996-11-05 | Mk Products, Inc. | Method and apparatus for controlling and simultaneously displaying arc welding process parameters |
US6380505B1 (en) * | 2000-03-27 | 2002-04-30 | The Boeing Company | Method and apparatus for welding tubular members |
US7026568B2 (en) * | 2000-07-20 | 2006-04-11 | Michael Guerrina | Ceramic weld insulator and metal weld gear combination for an improved micro weld head component of an orbital tube welding apparatus |
US7414220B2 (en) * | 2003-08-12 | 2008-08-19 | Swagelok Company | Orbital weld head |
JP6306912B2 (en) * | 2014-03-18 | 2018-04-04 | 川崎重工業株式会社 | Welding equipment |
DE202015001188U1 (en) * | 2015-02-14 | 2015-03-06 | Gerd Hauser | Welding jaws (clamping system) for closed TIG orbital welding heads with integrated heat shield and guide system for the upper jaw pair and active gas cooling |
-
2019
- 2019-01-31 DE DE102019000668.2A patent/DE102019000668A1/en not_active Withdrawn
- 2019-02-21 DE DE112019006796.6T patent/DE112019006796A5/en active Pending
- 2019-02-21 EP EP19712120.5A patent/EP3917712A1/en active Pending
- 2019-02-21 WO PCT/DE2019/000042 patent/WO2020156599A1/en unknown
- 2019-02-21 US US17/424,581 patent/US20220080536A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE112019006796A5 (en) | 2021-12-16 |
DE102019000668A1 (en) | 2020-08-06 |
WO2020156599A1 (en) | 2020-08-06 |
US20220080536A1 (en) | 2022-03-17 |
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