瑞典专利SE0950932A1 Protective device for use in welding

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优先权

专利摘要:
Protective device for use in welding intended to be combined with a welding glove for the purpose of facilitated welding work through improved ergonomics and improved climate protection, having a substantially cylindrical shape with a first opening (6) at one end for passing part of a single electrode holder (1) or a welding piston second opening (10) at its opposite end for insertion of a hand-pouring electrode holder / welding gun (1; 3) and part of a forearm, the protective device being designed to enclose the handle of the welding gun (3) or the electrode holder (1), part of the lower arm and part of an electrode supply tube (4) or single conductor (2), the first opening (6) being designed to be adapted to different sized electrode holders or welding guns for sealing enclosure thereof when its handle is held with one hand inside the protection device, and the lower edge of the second opening (10) is arranged to take the weight of a leader and to transfer this weight to the back of a single user's h wrist and forearm via the upper side of the protective device.
公开号:SE0950932A1
申请号:SE0950932
申请日:2009-12-03
公开日:2011-06-04
发明作者:Michael Gustafsson
申请人:Michael Gustafsson；
IPC主号:

专利说明:

Inadequate protection against cold and heat leads to rheumatic and other joint problems in the hand, and early retirement due to injuries to the hands is not uncommon.
There are thus requirements for protection against cold, wind, moisture, heat, welding splashes, cutting and stabbing damage, as well as a conflicting requirement for mobility (dexterity). All these requirements are measured in standards for certification of welding gloves.
SUMMARY OF THE INVENTION The object of the present invention is to provide a protection device for use in welding in combination with a welding glove, which facilitates welding work through improved ergonomics and improved climate protection, leading to improved working conditions for the welder and thus fewer injuries, better results and higher production.
This object is achieved with the protective device according to the invention by the features stated in claim 1.
Further developments and preferred embodiments of the invention are set out in the subclaims.
The invention thus means that the protective device is separated from the welding glove which sits directly on the hand.
Thus, the protection can be made of more durable and protective material than is practically possible with a finger glove or thumb glove. For more fine motor work, such as with slag notch, angle grinder, changing electrode, etc., place the electrode holder or welding gun, release the hand from the protection device, perform the work and then put the hand back in the protection device and grip the handle of the electrode holder or welding gun. again to continue welding.
By designing the protection device with a relief function for conductors or electrode feeders, the welding hand is relieved by distributing the weight of the conductor or electrode feeder over the back of the hand, wrist and forearm and thus moving closer to the body, instead of having to carry the entire conductor weight with closed fingers. . This avoids constant pressure which leads to poorer blood flow and thus impaired hand function.
By achieving better protection against heat / cold, the welder can work longer periods without interruption with accompanying higher efficiency combined with better ergonomics.
A number of advantages are achieved by the shape of the protection device. Depending on the material chosen, it can be made from a single piece that is given the desired shape with the help of seams. Alternatively, it can be made of two or more pieces of material, depending on how stiff and / or thick the selected material is. The cutting is simple, the material waste is small and normally only a few seams are required. It insulates around above the handle of the electrode holder or welding gun. Because the hand is inside and is completely enclosed by the protection device, reflective, thick and rigid materials can be used because it does not need to be bent when the hand is to be closed or opened.
By designing the opening for the hand with stiffening, it is easy to pick up or put away the holder.
To improve climate protection and prevent wind, snow or moisture from entering the protection device, the opening for the hand can be fitted with a drawstring and an elastic wind / snow lock.
Furthermore, in connection with the opening for the hand, a cuff or the like can be arranged to hold the protective device on the arm.
According to a further development of the invention, a slot may be formed in the lower part of the opening, e.g. in a piece of rubber-coated fabric or equivalent for wedging of the conductor, which prevents e.g. winding or unwinding of the protective device, which can otherwise be a problem, especially when welding downwards.
To further improve the tightness around the electrode holder or welding gun and prevent moisture from creeping into the protection device, the opening can be provided with a loop which is locked by means of Velcro straps.
The area next to the opening for the electrode holder or welding gun is preferably designed as a tapered cone, which can be cut to the desired opening size. Thus, it is possible to adapt to a welding gun (narrow) or the largest size screw electrode holder, so that it fits the current tool in all cases. The opening is then sewn preferably with a reciprocating seam so that locks occur, so that the seam cannot go up even if you cut off a piece. The seam then goes forward, then backwards a little bit, then forwards again and so on. In this way, the unbroken seam is locked in a number of places. This means that the seam is not scratched up longer than until the next locking when cutting to the desired opening size. You can also make it as different seams that go up to the right lO l5 20 25 30 length, then back and read, the next seam overlaps the first and goes a little further, then back and read and so on.
To make it possible to protrude a pair of fingers without releasing the electrode holder, an overlapping front of the protection device can be arranged, while maintaining protection against heat, wind, wet and cold.
Brief Description of the Drawings The invention will now be described in more detail with reference to the embodiments of the invention shown in the accompanying drawings, in which Fig. 1 shows a principal view of the protective device according to the invention together with a screw electrode holder, Fig. 2 shows a corresponding view in Fig. 1 with a welding gun, Fig. 3 schematically shows how the protection device can be assembled and sewn from two cut pieces of selected material, which may be different in different parts of the protection device, Figs. 4 a, b and c show very schematically three Fig. 5a and b show schematic end views of the protection device according to the invention with a sleeve designed in different ways, Fig. 6 schematically shows the protection device fitted with a cuff drawn, 10 Figs. 7 a and b show a device for wedging conductors without and with respectively wedged conductor, and Fig. 8 shows a corresponding view as in Figs. 1 and 2 of a modified embodiment of the protection device according to the invention.
Detailed description of the invention The invention will now be described in more detail in connection with the accompanying drawings which schematically show a number of possible embodiments of the protective device.
Figures 1 and 2 show the protective device according to the invention as it is intended to be used for welding. Fig. 1 shows a screw electrode holder 1 with associated conductor 2 and Fig. 2 a welding gun 3 with associated electrode supply pipe 4. For welding gun, electrode supply pipe coexists in the same round hose which also contains the electrode conductor. For electrode holders - so-called pin welding - it is only a conductor. For the sake of simplicity, the summary term "conductor" will continue to be used in the description and in the claims.
Furthermore, it should be noted that it is equally suitable for a terminal electrode holder as well as for use also with other types of tools and machines that require, or where it is desired, reinforced protection.
The protection device according to the invention is intended to be used in combination with a conventional welding glove 5. Since the protection device is not to be bent and squeezed with a hand pouring into a handle, materials of suitable thickness and with desired protective properties can be selected. In the embodiment of the invention shown in Figs. 1 and 2, the protection device has a first opening 6 for passing the electrode holder 1 or the welding gun 3. The opening can be provided with a tightening device which is schematically indicated at 7, as a, possibly elastic , bands running in a channel at the opening. At its front part, as shown in the figures, a further opening can be arranged with overlapping edge parts 8, 9 as in e.g. shooting gloves.
The protection device further has a second opening 10 at its opposite end. This opening 10 is wide to enable the insertion of an electrode holder / welding gun held in a gloved hand. Also at this opening, as schematically indicated with a drawbar 11 and a dashed line shown around a belt 12, a tightening device is suitably arranged so that when the protective device is put on to reduce the size of the opening, the conductor 2 is closer to the arm to get a more comfortable angle on the handle without further strain on the hand.
Furthermore, a stiffener 13 can be arranged around the second opening to make it more convenient to lay down the protection device and then pick it up again, even with electrode holder / welding gun still made through the first opening.
Alternatively or as a complement, pushbuttons 14 or corresponding fastening means can be arranged on the sides of the protection device. With the aid of these, said sides can be fastened together so that the protection device is held on the arm at the same time as the conductor lies in a lower opening formed thereby.
When the protective device is put on, the conductor 2 of the electrode holder 1 and the conductor 4 of the welding gun 3 will be carried by the lower part of the protective device, whereby the weight is transferred to the upper side of the hand, wrist and forearm closer to the body, thus relieving the hand squeeze the handle to carry the weight of the conductor.
Fig. 3 schematically shows a preferred method of manufacturing the protection device in which a top piece 20 and a bottom piece 21 are sewn together with two seams at the upper part of the protection device, so that these lie on the sides along the arm. In this way, slag is prevented from getting stuck in the seam and burning heels in the protection device, which in use abuts against the forearm. The material pieces can e.g. be punched out of a sheet or sheet material. In order to make the protective device spacious, as indicated at 22 and 23, the material can be folded and sewn together so that stiffeners are formed, whereby the front end of the protective device is kept taut and the insertion of electrode holder / welding gun is easy. At the front end, the pieces of material are sewn together to form an opening for the passage of the electrode holder / welding gun from inside the protection device.
Figs. 4a, b, c illustrate different variants of the design of the protection device to enable adaptation of the first opening to different size electrode holders and welding guns, respectively. In the variant according to Fig. 4a, the area around the first, front opening 6 is designed to be conically tapered.
In this case, the pieces of material surrounding the opening have been sewn together with a reciprocating seam 40. When changing from reciprocating thread to threading forward, the thread that forms the seam is read.
This creates the possibility of cutting the protection device so that a suitably large opening for the tool in question is formed, as indicated by the dashed cutting lines a, b, c, without the risk of the seam being scratched up. Fig. 4b shows an alternative variant where the area around the opening 6 has slots 41. When an electrode holder or welding gun is passed through the opening, the flaps 42 are pressed out and then springed back to thereby seal against moisture and welding splashes. Here too, it may be appropriate to sew the pieces of material surrounding the opening area together with a reciprocating seam to make it possible to cut the protection device to create a suitably large opening, without the risk of the seam being scratched up.
Fig. 4c shows the protection device cut to fit a certain tool and in this case it has a loop 43 which, when the tool is inserted into the opening, is pulled around the tool according to the arrow P and fastened e.g. by means of a Velcro closure as indicated by the band 44.
In order to improve the function of the protection device, it is according to a preferred embodiment of the invention provided with means for reading it on a user's arm. Figs. 5a and b show end views of the protection device according to the invention towards the second opening 10 through which hand and tool are inserted. In the extension of the protection device away from the hand, as shown in Fig. 5a, a cuff 50 is arranged. It may be attached to the protection device at the upper part of the opening 10 or it may alternatively be an extension of the piece of material in at least the upper part of the protection device. The upper part 51 of the cuff is connected to the protection device between side seams 52, 53 and is separate from the protection device in the remaining part. In this case, the cuff can be designed as a closed loop so that by folding it is pulled around the arm to be read in this position, e.g. by means of a Velcro connection indicated at 54. Fig. 5b shows an alternative embodiment of the cuff, denoted by the number 50 ', which corresponds to the embodiment according to Fig. 5a except that the cuff is divided. A first tab 55 is placed around the arm and a second tab 56 attached to it, e.g. by a velcro connection indicated at 57. Here it should be noted that the outer flap, i.e. the second tab 56 extends downwardly which prevents moisture from penetrating the cuff. This cuff as well as that according to Fig. 5a can be worn loosely hanging, it can be fastened loosely or it can be tightened around the arm. The sleeve prevents the protection device from the weight of the conductor or electrode feed tube from being rolled or pressed downwards against the hand, especially when welding downwards, and it also prevents moisture and wind from penetrating the upper side of the arm.
The protection device can also be locked against clothing with a clamp of the type used to attach children's gloves to the jacket. Such a clamp may be sewn or loose.
Fig. 6 schematically shows the protection device on a forearm with the cuff 50 tightened around the arm. In this case, a locking device 60 with a slot 61 is arranged in the second opening 10 of the protection device. The locking device can advantageously be made of rubber-coated fabric or other elastic material, and is sewn or otherwise fastened in the protective device at the lower part of the second opening. The conductor 2 extending from the electrode holder 1 inside the protection device is thereby wedged in the slot by its own weight, and thus the tendency for the protection device to be rolled or displaced downwards on the arm, especially during downward welding, is counteracted. The locking device is shown in the unaffected state in Fig. 7a and with wedged conductor 2 1 Pig. vb. 10 ll As shown in Fig. 8, the protection device can be designed in several different ways. It is thus possible to provide an opening 70 in its underside for allowing a conductor or an electrode supply tube 71 to pass out of the protection device at a distance from the second, rear opening 10. In this case, a slot 72 is preferably arranged which extends from said opening 70 all the way to the second opening 10 of the protection device, which slot is preferably arranged closable, e.g. by a Velcro connection, as indicated by a dashed line 73.
In the foregoing description, Velcro straps are mentioned as fasteners. These can of course be replaced with other suitable fastening means, such as push buttons. These should be made of plastic or other non-conductive material

权利要求:
Claims (15)
[1]
Protective device for use in welding intended to be combined with a welding glove for the purpose of facilitating welding work through improved ergonomics and improved climate protection, characterized in that it has a substantially cylindrical shape with a first opening (6) at one end for passing part of an electrode holder (1) or welding gun (3) and a second opening (10) at its opposite end for inserting a hand pouring into the electrode holder / welding gun (1; 3) and part of a forearm, the protective device being designed to enclose the welding gun. (3) or the handle of the electrode holder (1), part of the forearm and part of a conductor (2; 4), the first opening (6) being designed to be adapted to different size electrode holders and welding guns for sealing enclosure thereof when its handle is held with a hand inside the protection device, and wherein the lower edge of the second opening (10) is arranged to take up the weight of a conductor and to transfer this weight to a user's ha back, wrist and forearm via the upper side of the protective device.
[2]
Protective device according to Claim 1, characterized in that it is sewn from a material with the desired protective properties of a cut piece of material or of two or more pieces of material (20, 21).
[3]
Protective device according to Claim 1 or 2, characterized in that the first opening (6) is designed to be adaptable to different sizes of electrode holders and welding guns in that the area next to the first opening is designed to taper conically and is sewn with reciprocating, locked seams. (40), whereby the tapered area can be cut to the desired diameter (a, b, c) to be adapted to the tool in question and thereby close substantially tightly to said tool without risk of a remaining part of the seam / seams being scratched. up.
[4]
Protective device according to Claim 1 or 2, characterized in that the first opening (6) is designed to be adapted to different sizes of electrode holders and welding guns in that the area next to the first opening has a tightening device (7).
[5]
Protective device according to one of the preceding claims, characterized in that the protective device comprises a means (11, 12; 50; 50 ') for clamping it around a forearm of a user.
[6]
Protective device according to one of the preceding claims, characterized in that the second opening (10) is surrounded by a stiffener (13).
[7]
Protective device according to one of the preceding claims, characterized in that an insert (60) of resilient material is arranged in the second opening (10) with a slot (61) for wedging a conductor (2; 4) so that it is prevented. from slipping.
[8]
Protective device according to one of the preceding claims, characterized in that the second opening (10) has a tightening device in the form of a drawstring and one in a channel around circumferential bands (11, 12) or push buttons (14).
[9]
Protective device according to one of the preceding claims, characterized in that the protective device has an overlapping front part (8, 9) in order to enable one or a pair of fingers to protrude while the hand is holding the electrode holder / welding gun. 10 15 20 25 14
[10]
Protective device according to one of the preceding claims, characterized in that the downwardly facing part of the protective device has a slot (72) which can be closable (73).
[11]
Protective device according to one of the preceding claims, characterized in that one cuff (50, 50 ') is sewn on or otherwise connected to the remaining part of the protective device in such a way that when the cuff (50, 50') is fastened around the arm the other the size of the opening (10) is not affected.
[12]
Protective device according to Claim 11, characterized in that the cuff (50 ') is split and can be locked to an arm by means of a velcro closure or the like.
[13]
Protective device according to claim 11, characterized in that the cuff (50) is cylindrical and has Velcro closure means or the like in order to be able to be tightened and fastened around a forearm by folding.
[14]
Protective device according to one of the preceding claims, characterized in that a loop (43) is arranged around the first opening (6) in order to enable the first opening to be tightened around an electrode holder (1) and a welding gun (3), respectively.
[15]
Protective device according to one of Claims 1 to 10, characterized in that the protective device has an opening (70) in its underside in its lower part for allowing a conductor (71) to pass out of the protective device at a distance from the second, rear opening (10). ) and that the protection device in connection with the opening is designed to be divisible (72, 73).

类似技术:

公开号 | 公开日 | 专利标题

SE0950932A1|2011-06-04|Protective device for use in welding

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同族专利:

公开号 | 公开日

EP2547224A4|2013-11-20|

EP2547224A1|2013-01-23|

SE534430C2|2011-08-23|

WO2011068462A1|2011-06-09|

US20120240301A1|2012-09-27|

引用文献:

公开号 | 申请日 | 公开日 | 申请人 | 专利标题

US2132570A|1937-10-12|1938-10-11|Leone Domenic|Hand shield for welding apparatus|

US2326422A|1942-05-22|1943-08-10|Durma Gard Inc|Arm protector or the like|

US2337767A|1942-09-26|1943-12-28|Paul Dan|Guard for welding tools|

US2755477A|1953-09-28|1956-07-24|Gustave Miller|Glove protector|

US3397891A|1964-12-18|1968-08-20|Koch Tobias|Dry-grip sleeve|

US5575721A|1995-10-20|1996-11-19|Lilly; Joseph T.|Golf grip sleeve device|

US5678249A|1996-06-19|1997-10-21|Smith; Brian J.|Bow hunter's camouflage release mitten|

US5862989A|1997-06-25|1999-01-26|Cirillo; Jeffery C.|Spray gun cover|

USD631206S1|2010-06-14|2011-01-18|Jordan Michael Barry Parlee|Heat protection glove for hand-gripping implements|KR100982862B1|2009-10-21|2010-09-16|단꼬레아|Datachable keeping gloves|

US20170036295A1|2015-08-03|2017-02-09|Derick Alan Clifton|TIG Glide|

CN106583896A|2016-12-14|2017-04-26|安庆市宜安气体有限公司|Welding rod holder with protective hood|

CN106513953A|2016-12-16|2017-03-22|无锡市汤成机电配件厂|Welding gun protection chuck|

US10894297B2|2018-01-09|2021-01-19|Ezra Stieglitz|Welding gun stabilizer|

US11213847B1|2020-10-27|2022-01-04|Chris Olsen|Cover for spray a gun|

法律状态:
2015-08-04| NUG| Patent has lapsed|

优先权:

申请号 | 申请日 | 专利标题

SE0950932A|SE534430C2|2009-12-03|2009-12-03|Protective device for use in welding|SE0950932A| SE534430C2|2009-12-03|2009-12-03|Protective device for use in welding|

EP10834837.6A| EP2547224A4|2009-12-03|2010-12-01|A protective device for use in welding|

PCT/SE2010/051329| WO2011068462A1|2009-12-03|2010-12-01|A protective device for use in welding|

US13/513,324| US20120240301A1|2009-12-03|2010-12-01| protective device for use in welding|

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