US3672655A - Wire feeder - Google Patents

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US3672655A
US3672655A US18891A US3672655DA US3672655A US 3672655 A US3672655 A US 3672655A US 18891 A US18891 A US 18891A US 3672655D A US3672655D A US 3672655DA US 3672655 A US3672655 A US 3672655A
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rolls
drive
wire
roll
pairs
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US18891A
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Kenneth G Carter
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    • 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
    • B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
    • B23K9/133—Means for feeding electrodes, e.g. drums, rolls, motors
    • B23K9/1336—Driving means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
    • B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
    • B65H51/08—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements
    • B65H51/10—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements with opposed coacting surfaces, e.g. providing nips

Definitions

  • ABSTRACT A wire feeder including a frame which supports three pairs of rotatably mounted drive rolls in a position to pass wire in a substantially straight line between the pairs of rolls and means connected to each of the rolls of each of said pairs of rolls for driving each of said rolls at the same speed.
  • the drive rolls are grooved with sidewalls contacting at an angle of to and at least one drive roll in each pair of rolls can be provided with biasing means for urging the roll towards its coactin g drive roll to impart a driving pressure to the wire between the pair of rolls.
  • the wire has several properties which make it inherently difficult to drive. For example, even when the wire has been finish drawn to size, heat treated and layer wound, it exhibits a twisting tendency when it is uncoiled. This tendency makes feeding the wire through the necessary tubes, guides, nozzles and pickup tips, required in most welding operations, very difficult.
  • the tubular wire is very sensitive 'to various types of deformation which often prevent the wire from being properly fed during the welding operation. Also, the wires surface is easily marred by conventional driving mechanisms which results in poor current pick up. Accordingly, a great need has arisen for an improved feeding device which minimizes wire deformation while applying substantial driving force to the wire.
  • the invention comprises a wire feeding device comprising support means having a plurality of pairs of grooved drive rolls rotatably mounted to said support to pass tubular welding wire in a substantially straight line between the pairs of rolls, and drive means connected to each of the rolls of each of said pairs of rolls for driving said rolls at the same speed.
  • the rolls are grooved such that the tangent of the point of contact of the wire with one side of the groove intersects the tangent of the point of contact of the wire with the opposite of the groove at an angle of 100 to 150.
  • three pairs of rolls are rotatably mounted to the frame so that the tubular welding wire passes between said rolls in a substantially straight line and is straightened thereby.
  • At least one roll in each pair of grooved rolls is provided with biasing means for urging the roll toward its coacting drive roll to impart a predetermined pressure on the tubular wire between the rolls.
  • FIG. 1 is a plan elevation view of the wire feeding apparatus of this invention which is shown partially broken away for purposes of clarity.
  • FIG. 2 is a top view of the feeding apparatus shown in FIG. 1. A portion of the feeding apparatus is shown broken away.
  • FIG. 3 is a sectional view taken in the plane of line 3-3 of FIG. 1 looking in the direction of the arrows.
  • FIG. 4 is a partial sectional view taken in the plane of line 44 of FIG. 2 looking in the direction of the arrows.
  • the wire feeding apparatus of this invention comprises coacting pairs of grooved rolls positioned so that a tubular wire can pass between the rolls and be driven thereby.
  • At least two pairs of rolls are used to impart the desired driving force to the wire. Most preferably three pairs of rolls are used to also straighten the wire as it is driven through the device. Each roll in the drive mechanism is individually driven and the speed of each individual roll is synchronized so that all of the rolls are driven at the same rate. At least one roll in each pair of rolls is preferably spring loaded to impart a predetermined force on the wire 10 when it is positioned between the coacting rolls.
  • FIGS. 1 and 2 The preferred drive mechanism of this invention is illustrated in FIGS. 1 and 2.
  • three grooved drive rolls 12, 14, and 16 are rotatably mounted with bolts 18 to support frame 20.
  • Each of these rolls is positioned in a coacting drive relationship with a second grooved drive roll rotatably mounted to a positioning block secured to support 20, i.e., roll 12 drives with roll 22 mounted on positioning block 24, roll 14 coacts with grooved roll 26 mounted on block 28, and roll 16 is positioned to coact with roll 30 mounted on block 32.
  • the rolls are preferably formed with a substantially uniform diameter.
  • the pair of rolls are of course mounted so that wire 10 passing therebetween passes in a substantially straight line.
  • Each of the drive rolls of this invention is formed with a groove 70 which extends about the entire driving surface of the roll to coact with wire 10.
  • Groove 70 is shaped to provide two points of contact with wire 10.
  • the groove is formed with two smooth and substantially plane sidewalls which contact each other at an angle, shown as angle A in FIG. 3, of about to 150 and most preferably to
  • angle A angle A in FIG. 3
  • a groove of this type herein described does not urge the seam in tubular wire to open and, in addition, will prevent marring of the surface of the wire which can result in its breakage.
  • the groove is shaped so that the tangent of the point of contact of wire 10 with one side of the groove intersects the tangent of the point of contact of the wire with the opposite side of the groove at an angle of 100 to and preferably 1 10 to 130.
  • the grooved rolls are individually driven at the same speed.
  • Drive gear 36 is attached to roll 12 and drives gear 38 attached to roll 22
  • drive gear 40 is attached to roll 14 and drives gear 42 attached to roll 26
  • drive gear 44 is attached to roll 16 and drives gear 46 attached to roll 30.
  • the movement of each of the drive gears is synchronized with gears 48 and 50 which are rotatably mounted in a conventional fashion to frame 20.
  • Gear 48 coacts with gears 40 and 44 while gear 50 coacts with gears 36 and 40. Accordingly, all of the gears are interconnected and by matching the number of teeth around their periphery they are all driven at the same speed. This movement is imparted to the grooved rolls which, having substantially identical diameters, are also rotated at the same peripheral speed.
  • All of the gears in the feeding mechanism of this invention are driven with drive shaft 52, which is joumaled to frame 20 and connected to gear 48.
  • the shaft can be powered in a conventional fashion with, for example, an electric motor 54.
  • Ball bearings 56 can be positioned in bearing races in the drive gears and grooved rolls to ride on bolts 18 and shaft 52 to insure easy rotation of said gears and rolls.
  • Positioning blocks 24, 28 and 32 are attached to main mounting frame 20 with bolts 58 which pass through ports in the blocks and are screwed into threads 60 formed in frame 20 as shown in FIG. 4.
  • Springs 62 under compression, are positioned between the heads 64 of bolts 58 and the inwardly ex tending seats 66 formed in the parts in the positioning blocks. In this fashion, each of the blocks are independently urged towards frame 20 with springs 62.
  • Cap 68 is pressed into the port above the head of the connecting bolts 58 to prevent dirt and other undesirable materials from falling into contact with springs 62 to interfere withtheir normal operation.
  • motor 54 is activated which in turn rotates drive shaft 52 and attached gear 48.
  • gear 48 drives gears 40 and 44 which in turn drives gears 42 and 46 respectively.
  • gear 40 drives synchronizing gear 50 which rotates gear 36 and its coacting gear 38.
  • the end of wire is then placed in the grooves between rolls l6 and 30 whereupon it is drawn between the rolls 16 and 30 in grooves 70 and urged towards rolls 36 and 26. When the wire contacts the grooves between rolls 36 and 26 it is urged therebetween and moves on to rolls l2 and 22.
  • wire 10 moves between each of the pairs of rolls it is contacted by the opposite sidewalls of grooves 70 and is held tightly therebetween with spring 62 so that a driving force is applied to the wire which can be controlled by loosening or tightening connecting bolts 58.
  • each pair of drive rolls contacts tubular wire 10 without subjecting the wire to excessive pressure between any single pair of grooved rolls.
  • substantial driving pressure can be applied to the wire as previously indicated.
  • the dual drive between each pair of rolls provides positive driving power.
  • the device acts as a wire straightener since the tubular wire must pass through the sets of driving rolls in a substantially straight line.
  • Apparatus for feeding wire which comprises a support frame: three pairs of drive rolls rotatably mounted to said support frame to exert a predetermined pressure on the wire when said wire is positioned between said pairs of drive rolls, said rolls mounted so that wire passes between said rolls in a substantially straight line; a wire driving groove which comprises two substantially plane sidewalls which contact each other at an angle of to positioned about the peripheral, smooth surface of each drive roll; a drive gear attached to an outside face of each of the drive rolls; and drive means coacting with each said drive gear for rotating said drive roll at a synchronized speed.
  • said drive means includes a synchronizing gear rotatably mounted on said support frame which coacts with the drive gears attached to said drive rolls for driving each of said drive gears at the same speed.
  • biasing means are attached to at least one roll in each pair of rolls for urging said one roll in each pair of rolls against the other roll in said each pair of rolls to place said predetermined pressure on said wire.
  • said drive means includes a synchronizing gear rotatably mounted on said support frame which coacts with the drive gears attached to said drive rolls for driving each of said drive gears at the same speed.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Forwarding And Storing Of Filamentary Material (AREA)

Abstract

A wire feeder including a frame which supports three pairs of rotatably mounted drive rolls in a position to pass wire in a substantially straight line between the pairs of rolls and means connected to each of the rolls of each of said pairs of rolls for driving each of said rolls at the same speed. The drive rolls are grooved with sidewalls contacting at an angle of 100* to 150* and at least one drive roll in each pair of rolls can be provided with biasing means for urging the roll towards its coacting drive roll to impart a driving pressure to the wire between the pair of rolls.

Description

United States Patent Carter June 27, 1972 1 WIRE FEEDER [21] Appl. No.: 18,891
Related US. Application Data [63] Continuation-impart of Ser. No. 755,336, Aug. 26,
1968, abandoned.
[52] US. Cl ..226/108, 226/187, 226/184 [51] Int. Cl ..B65h 17/20 [58] Field of Search ..226/184,187, 188,108,181,
3,447,730 6/1969 Jeannette .1 ..226/1 87 X 1,867,343 7/1932 Wittek ..226/187 X 2,548,136 4/1951 Auer ..226/l87 X Primary Examiner-Allen N. Knowles Attorney-C, Harvey Gold, David V. Trask and William S. Britt [57] ABSTRACT A wire feeder including a frame which supports three pairs of rotatably mounted drive rolls in a position to pass wire in a substantially straight line between the pairs of rolls and means connected to each of the rolls of each of said pairs of rolls for driving each of said rolls at the same speed. The drive rolls are grooved with sidewalls contacting at an angle of to and at least one drive roll in each pair of rolls can be provided with biasing means for urging the roll towards its coactin g drive roll to impart a driving pressure to the wire between the pair of rolls.
4 Claims, 4 Drawing Figures WIRE MovEMENT PATENTEDJum I972 3.672.655
52 5s I 44 W l E 48 0/ I8 0 15:: 2
INVENTOR. KENNETH G. CARTER HIS ATTORNEY \rVIRE FEEDER RELATED PATENT APPLICATION This application is a continuation-in-part of my co-pending U.S. application, Ser. No. 755,336, filed Aug. 26, 1968, now abandoned, entitled Wire Feeder."
BACKGROUND OF THE INVENTION similar to the method one would use to construct a handmade cigarette. Because of this construction the wire has several properties which make it inherently difficult to drive. For example, even when the wire has been finish drawn to size, heat treated and layer wound, it exhibits a twisting tendency when it is uncoiled. This tendency makes feeding the wire through the necessary tubes, guides, nozzles and pickup tips, required in most welding operations, very difficult. In addition, the tubular wire is very sensitive 'to various types of deformation which often prevent the wire from being properly fed during the welding operation. Also, the wires surface is easily marred by conventional driving mechanisms which results in poor current pick up. Accordingly, a great need has arisen for an improved feeding device which minimizes wire deformation while applying substantial driving force to the wire.
SUMMARY OF THE INVENTION In its broadest form, the invention comprises a wire feeding device comprising support means having a plurality of pairs of grooved drive rolls rotatably mounted to said support to pass tubular welding wire in a substantially straight line between the pairs of rolls, and drive means connected to each of the rolls of each of said pairs of rolls for driving said rolls at the same speed. The rolls are grooved such that the tangent of the point of contact of the wire with one side of the groove intersects the tangent of the point of contact of the wire with the opposite of the groove at an angle of 100 to 150.
In a preferred embodiment of the invention, three pairs of rolls are rotatably mounted to the frame so that the tubular welding wire passes between said rolls in a substantially straight line and is straightened thereby.
In another embodiment of the invention at least one roll in each pair of grooved rolls is provided with biasing means for urging the roll toward its coacting drive roll to impart a predetermined pressure on the tubular wire between the rolls.
BRIEF DESCRIPTION OF THE DRAWINGS So that the invention may be more readily understood and carried into effect, reference is made to the accompanying drawings which are ofiered by way of example only and are not to be taken as limiting the invention, the scope of which is defined by the appended claims and which are intended to embrace equivalent structures.
FIG. 1 is a plan elevation view of the wire feeding apparatus of this invention which is shown partially broken away for purposes of clarity.
FIG. 2 is a top view of the feeding apparatus shown in FIG. 1. A portion of the feeding apparatus is shown broken away.
FIG. 3 is a sectional view taken in the plane of line 3-3 of FIG. 1 looking in the direction of the arrows.
FIG. 4 is a partial sectional view taken in the plane of line 44 of FIG. 2 looking in the direction of the arrows.
DESCRIPTION OF THE PREFERRED EMBODIMENT The wire feeding apparatus of this invention comprises coacting pairs of grooved rolls positioned so that a tubular wire can pass between the rolls and be driven thereby. At
least two pairs of rolls are used to impart the desired driving force to the wire. Most preferably three pairs of rolls are used to also straighten the wire as it is driven through the device. Each roll in the drive mechanism is individually driven and the speed of each individual roll is synchronized so that all of the rolls are driven at the same rate. At least one roll in each pair of rolls is preferably spring loaded to impart a predetermined force on the wire 10 when it is positioned between the coacting rolls.
The preferred drive mechanism of this invention is illustrated in FIGS. 1 and 2. As shown, three grooved drive rolls 12, 14, and 16 are rotatably mounted with bolts 18 to support frame 20. Each of these rolls is positioned in a coacting drive relationship with a second grooved drive roll rotatably mounted to a positioning block secured to support 20, i.e., roll 12 drives with roll 22 mounted on positioning block 24, roll 14 coacts with grooved roll 26 mounted on block 28, and roll 16 is positioned to coact with roll 30 mounted on block 32. To insure a uniform drive speed between each of the pairs of the rolls and between individual rolls in each pair, the rolls are preferably formed with a substantially uniform diameter. The pair of rolls are of course mounted so that wire 10 passing therebetween passes in a substantially straight line.
Each of the drive rolls of this invention is formed with a groove 70 which extends about the entire driving surface of the roll to coact with wire 10. Groove 70 is shaped to provide two points of contact with wire 10. Preferably, the groove is formed with two smooth and substantially plane sidewalls which contact each other at an angle, shown as angle A in FIG. 3, of about to 150 and most preferably to By using a smooth angular groove desirable driving characteristics have been observed. For example, a groove of this type herein described does not urge the seam in tubular wire to open and, in addition, will prevent marring of the surface of the wire which can result in its breakage. When the sides of groove 70 are not substantially plane the groove is shaped so that the tangent of the point of contact of wire 10 with one side of the groove intersects the tangent of the point of contact of the wire with the opposite side of the groove at an angle of 100 to and preferably 1 10 to 130.
As indicated, the grooved rolls are individually driven at the same speed. This can be done with drive gears attached to the outside face of the grooved rolls with bolts 34 as illustrated in FIG. 1. Drive gear 36 is attached to roll 12 and drives gear 38 attached to roll 22, drive gear 40 is attached to roll 14 and drives gear 42 attached to roll 26, and drive gear 44 is attached to roll 16 and drives gear 46 attached to roll 30. The movement of each of the drive gears is synchronized with gears 48 and 50 which are rotatably mounted in a conventional fashion to frame 20. Gear 48 coacts with gears 40 and 44 while gear 50 coacts with gears 36 and 40. Accordingly, all of the gears are interconnected and by matching the number of teeth around their periphery they are all driven at the same speed. This movement is imparted to the grooved rolls which, having substantially identical diameters, are also rotated at the same peripheral speed.
All of the gears in the feeding mechanism of this invention are driven with drive shaft 52, which is joumaled to frame 20 and connected to gear 48. The shaft can be powered in a conventional fashion with, for example, an electric motor 54. Ball bearings 56 can be positioned in bearing races in the drive gears and grooved rolls to ride on bolts 18 and shaft 52 to insure easy rotation of said gears and rolls.
Positioning blocks 24, 28 and 32 are attached to main mounting frame 20 with bolts 58 which pass through ports in the blocks and are screwed into threads 60 formed in frame 20 as shown in FIG. 4. Springs 62, under compression, are positioned between the heads 64 of bolts 58 and the inwardly ex tending seats 66 formed in the parts in the positioning blocks. In this fashion, each of the blocks are independently urged towards frame 20 with springs 62. Cap 68 is pressed into the port above the head of the connecting bolts 58 to prevent dirt and other undesirable materials from falling into contact with springs 62 to interfere withtheir normal operation.
To use the wire feeder of this invention, motor 54 is activated which in turn rotates drive shaft 52 and attached gear 48. The movement of gear 48 drives gears 40 and 44 which in turn drives gears 42 and 46 respectively. In addition, gear 40 drives synchronizing gear 50 which rotates gear 36 and its coacting gear 38. The end of wire is then placed in the grooves between rolls l6 and 30 whereupon it is drawn between the rolls 16 and 30 in grooves 70 and urged towards rolls 36 and 26. When the wire contacts the grooves between rolls 36 and 26 it is urged therebetween and moves on to rolls l2 and 22. As wire 10 moves between each of the pairs of rolls it is contacted by the opposite sidewalls of grooves 70 and is held tightly therebetween with spring 62 so that a driving force is applied to the wire which can be controlled by loosening or tightening connecting bolts 58.
By using a tubular wire feeding device of the type herein described, several advantages are obtained. For example, each pair of drive rolls contacts tubular wire 10 without subjecting the wire to excessive pressure between any single pair of grooved rolls. However, because of the plurality of pairs of rolls substantial driving pressure can be applied to the wire as previously indicated. In addition, the dual drive between each pair of rolls provides positive driving power. Also, when three or more driving units are used, the device acts as a wire straightener since the tubular wire must pass through the sets of driving rolls in a substantially straight line.
1 claim:
1. Apparatus for feeding wire which comprises a support frame: three pairs of drive rolls rotatably mounted to said support frame to exert a predetermined pressure on the wire when said wire is positioned between said pairs of drive rolls, said rolls mounted so that wire passes between said rolls in a substantially straight line; a wire driving groove which comprises two substantially plane sidewalls which contact each other at an angle of to positioned about the peripheral, smooth surface of each drive roll; a drive gear attached to an outside face of each of the drive rolls; and drive means coacting with each said drive gear for rotating said drive roll at a synchronized speed.
2. The wire feeding apparatus of claim 1 wherein said drive means includes a synchronizing gear rotatably mounted on said support frame which coacts with the drive gears attached to said drive rolls for driving each of said drive gears at the same speed.
3. The wire feeding apparatus of claim 1 wherein biasing means are attached to at least one roll in each pair of rolls for urging said one roll in each pair of rolls against the other roll in said each pair of rolls to place said predetermined pressure on said wire.
4. The wire feeding apparatus of claim 3 wherein said drive means includes a synchronizing gear rotatably mounted on said support frame which coacts with the drive gears attached to said drive rolls for driving each of said drive gears at the same speed.

Claims (4)

1. Apparatus for feeding wire which comprises a support frame: three pairs of drive rolls rotatably mounted to said support frame to exert a predetermined pressure on the wire when said wire is positioned between said pairs of drive rolls, said rolls mounted so that wire passes between said rolls in a substantially straight line; a wire driving groove which comprises two substantially plane sidewalls which contact each other at an angle of 100* to 150* positioned about the peripheral, smooth surface of each drive roll; a drive gear attached to an outside face of each of the drive rolls; and drive means coacting with each said drive gear for rotating said drive roll at a synchronized speed.
2. The wire feeding apparatus of claim 1 wherein said drive means includes a synchronizing gear rotatably mounted on said support frame which coacts with the drive gears attached to said drive rolls for driving each of sAid drive gears at the same speed.
3. The wire feeding apparatus of claim 1 wherein biasing means are attached to at least one roll in each pair of rolls for urging said one roll in each pair of rolls against the other roll in said each pair of rolls to place said predetermined pressure on said wire.
4. The wire feeding apparatus of claim 3 wherein said drive means includes a synchronizing gear rotatably mounted on said support frame which coacts with the drive gears attached to said drive rolls for driving each of said drive gears at the same speed.
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Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789186A (en) * 1972-03-13 1974-01-29 H Rygiol Current transfer in connection with electric welding
DE2901649A1 (en) * 1978-01-27 1979-08-02 Esab Gmbh FEED DEVICE FOR A WIRE-SHAPED WELDING ELECTRODE
US4235362A (en) * 1979-03-21 1980-11-25 Pfizer Inc. Wire-feeding apparatus
US4252450A (en) * 1978-10-03 1981-02-24 Xerox Corporation Ribbon drive with spring-loaded idler
FR2536729A1 (en) * 1982-11-30 1984-06-01 Remy Henri Device intended to entrain an elongate element
WO1990000951A1 (en) * 1988-07-27 1990-02-08 The Perkin-Elmer Corporation Wire gun
US5370290A (en) * 1992-02-12 1994-12-06 Gilliland; Malcolm T. Wire feeder allowing for wire slippage without damaging wire
US5521355A (en) * 1995-03-09 1996-05-28 Genesis Systems Group, Ltd. Welding torch assembly and method
US6450752B1 (en) * 1999-06-22 2002-09-17 Hill Engineering, Inc. Method and apparatus for incrementally feeding a tube along a linear tube path
US20050040202A1 (en) * 2001-09-11 2005-02-24 Lajos Kerekes Wire feeding apparatus
US20050199673A1 (en) * 2004-03-15 2005-09-15 Lincoln Global, Inc. Drive rollers for wire feeding mechanism
US20080257874A1 (en) * 2007-04-19 2008-10-23 Illinois Tool Works Inc. Synchronized multiple drive wire feed welding system and method
US20090272458A1 (en) * 2004-10-20 2009-11-05 South Fence Machinery Limited Apparatus for projecting wire
US20090312166A1 (en) * 2005-12-09 2009-12-17 Yazaki Corporation Roller
US20090314816A1 (en) * 2008-06-19 2009-12-24 Pacific Bearing Company Material Feed Device
US8485010B1 (en) 2010-12-06 2013-07-16 Zeeco, Inc. Method and apparatus for installing a retractable thermocouple
US20150174682A1 (en) * 2013-12-23 2015-06-25 Fronius International Gmbh Welding wire conveyor roller and feeding device for conveying welding wire
US9593848B2 (en) 2014-06-09 2017-03-14 Zeeco, Inc. Non-symmetrical low NOx burner apparatus and method
US9593847B1 (en) 2014-03-05 2017-03-14 Zeeco, Inc. Fuel-flexible burner apparatus and method for fired heaters
US9975728B2 (en) 2015-09-10 2018-05-22 Sidergas Spa Wire container lid, wire container and wire feeding system
US10010962B1 (en) * 2014-09-09 2018-07-03 Awds Technologies Srl Module and system for controlling and recording welding data, and welding wire feeder
US10343231B2 (en) 2014-05-28 2019-07-09 Awds Technologies Srl Wire feeding system
US10350696B2 (en) 2015-04-06 2019-07-16 Awds Technologies Srl Wire feed system and method of controlling feed of welding wire
US11174121B2 (en) 2020-01-20 2021-11-16 Awds Technologies Srl Device for imparting a torsional force onto a wire
US11278981B2 (en) 2020-01-20 2022-03-22 Awds Technologies Srl Device for imparting a torsional force onto a wire
US11712746B1 (en) * 2019-07-16 2023-08-01 Andrew Kostecki Wire feeder assembly

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1867343A (en) * 1929-04-11 1932-07-12 Wittek Joseph Automatic feed mechanism for punch presses and the like
US2548136A (en) * 1946-06-22 1951-04-10 Champlain Company Inc Register control means for continuous and intermittent web feed mechanism
US3331545A (en) * 1964-11-10 1967-07-18 Union Carbide Corp Wire feed assembly
US3447730A (en) * 1966-04-15 1969-06-03 Air Reduction Wire feed apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1867343A (en) * 1929-04-11 1932-07-12 Wittek Joseph Automatic feed mechanism for punch presses and the like
US2548136A (en) * 1946-06-22 1951-04-10 Champlain Company Inc Register control means for continuous and intermittent web feed mechanism
US3331545A (en) * 1964-11-10 1967-07-18 Union Carbide Corp Wire feed assembly
US3447730A (en) * 1966-04-15 1969-06-03 Air Reduction Wire feed apparatus

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789186A (en) * 1972-03-13 1974-01-29 H Rygiol Current transfer in connection with electric welding
DE2901649A1 (en) * 1978-01-27 1979-08-02 Esab Gmbh FEED DEVICE FOR A WIRE-SHAPED WELDING ELECTRODE
US4309642A (en) * 1978-01-27 1982-01-05 Esab Aktiebolag Device for feeding a wire electrode
US4252450A (en) * 1978-10-03 1981-02-24 Xerox Corporation Ribbon drive with spring-loaded idler
US4235362A (en) * 1979-03-21 1980-11-25 Pfizer Inc. Wire-feeding apparatus
FR2536729A1 (en) * 1982-11-30 1984-06-01 Remy Henri Device intended to entrain an elongate element
WO1990000951A1 (en) * 1988-07-27 1990-02-08 The Perkin-Elmer Corporation Wire gun
US5370290A (en) * 1992-02-12 1994-12-06 Gilliland; Malcolm T. Wire feeder allowing for wire slippage without damaging wire
US5540371A (en) * 1992-02-12 1996-07-30 Gilliland; Malcolm T. Method of adjusting a wire feeder for a blocked tip condition
US5521355A (en) * 1995-03-09 1996-05-28 Genesis Systems Group, Ltd. Welding torch assembly and method
US6450752B1 (en) * 1999-06-22 2002-09-17 Hill Engineering, Inc. Method and apparatus for incrementally feeding a tube along a linear tube path
US7441682B2 (en) * 2001-09-11 2008-10-28 Lajos Kerekes Wire feeding apparatus
US20050040202A1 (en) * 2001-09-11 2005-02-24 Lajos Kerekes Wire feeding apparatus
US20080041910A1 (en) * 2004-03-15 2008-02-21 Lincoln Global, Inc. Drive rollers for wire feeding mechanism
US7383973B2 (en) * 2004-03-15 2008-06-10 Lincoln Global, Inc. Drive rollers for wire feeding mechanism
US20050199673A1 (en) * 2004-03-15 2005-09-15 Lincoln Global, Inc. Drive rollers for wire feeding mechanism
US20090272458A1 (en) * 2004-10-20 2009-11-05 South Fence Machinery Limited Apparatus for projecting wire
US20090312166A1 (en) * 2005-12-09 2009-12-17 Yazaki Corporation Roller
US20080257874A1 (en) * 2007-04-19 2008-10-23 Illinois Tool Works Inc. Synchronized multiple drive wire feed welding system and method
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