CN103433752A - Tire wire production device - Google Patents
Tire wire production device Download PDFInfo
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- CN103433752A CN103433752A CN2013103155194A CN201310315519A CN103433752A CN 103433752 A CN103433752 A CN 103433752A CN 2013103155194 A CN2013103155194 A CN 2013103155194A CN 201310315519 A CN201310315519 A CN 201310315519A CN 103433752 A CN103433752 A CN 103433752A
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Abstract
The invention discloses a tire wire production device. The tire wire production device is characterized by comprising a wire drawing production line and an electroplating production line, wherein the wire drawing production line is used for drawing a wire rod made of high-carbon steel to reach the preset wire diameter, so that the wire rod can be applicable to a tire wire; the electroplating production line is used for electroplating the wire rod which is drawn to reach the preset diameter; the wire drawing production line comprises a rust removal device, a coating liquid adhering device, a drying device, a wire drawing device and a bluing device, wherein the rust removal device is used for removing oxides on the surface of the wire rod; the coating liquid adhering device is used for adhering coating liquid to the wire rod; the drying device is used for drying the wire rod; the wire drawing device is used for carrying out area reduction processing on the wire rod; and the bluing device is used for enabling the wire rod, which is heated to high temperature through area reduction processing, to be blued in the temperature range of 350 DEG C to 480 DEG C.
Description
Technical field
The present invention relates to production method and process units for the manufacture of the bead wire for automobile tire.
Background technology
In production as the tire core of the girth member in automobile tire, the manufacturing process of bead wire used comprises wire-drawing production line and electroplating assembly line.Particularly, it comprises following wire-drawing production line: wherein by repetition wire drawing and sorbitizing, process (patenting treatment) the wire rod rod that carries out the rolling with microballon light body structure of sorbitizing processing is pulled into to predetermined gauge or diameter of wire; And following electroplating assembly line, wherein to the wire rod rod that the pulls into predetermined gauge or diameter of wire processing of being turned blue, in order to regain therein ductility, and further on the rod of the wire rod for bead wire surface, with copper, bronze, brass etc., electroplated.
Fig. 6 has shown in the prior art technique for the manufacture of bead wire.In wire-drawing production line L1, the wire rod rod launched by supply station 1 is removed oxidation film from its surface in rust cleaning step 2, then makes it through coating liquid adhering step 3 so that by the adhesion of lubricant coating liquid in its surface.After this, via a plurality of drawing step 4, repeat that the areas reduction is processed and cooling, each drawing step 4 comprises area reduction treatment step 4a and cooling step 4b, thereby and the wire rod rod of the extremely predetermined gauge or diameter of wire of processed acreage reduction by coil winder 5, reeled.
In addition, in electroplating assembly line L2, the wire rod rod that in wire-drawing production line L1, has been drawn as predetermined gauge or diameter of wire is launched by supply station 1, in the step 6 of turning blue, turns blue, and then in pickling step 7a, removes and sticks to wire rod rod lip-deep oxide skin (scales) by turning blue.The wire rod rod is washed in water-washing step 7b, then in plating step 8, with copper, bronze, zinc, brass etc., carried out electroplating processes, then reeled by coil winder 5 after through water-washing step 7c and hot water wash step 7d, thereby manufacture the bead wire for tire.
Summary of the invention
Usually, wire-drawing production line is constructed to processes the wire rod rod one by one, and considers equipment cost and productivity ratio, and electroplating assembly line is constructed to simultaneously 20 to be processed to the wire rod rod of approximately 30 wire drawings that are unit take approximately.Therefore, in electroplating assembly line, by number, be approximately 20 from coil winder, to launch to about 30 wire rod rod, and charging so that its through turning blue step and plating step, after this by coil winder, reeled.Therefore, need will approximately 20 to remain on the equipment that turns blue on a large scale in the temperature range of 350 ℃ to 480 ℃ to about 30 wire rod rods.This causes equipment cost to raise and causes waste: even, because the wire rod rod of smaller amounts is processed in the decline of output, also can consume essentially identical energy.
In addition, in the step of turning blue, lead bath, salt bath, fluid bed etc. likely break along with the large variation of temperature.In addition, once the temperature of bathing reduces, need a lot of time and cost to make to bathe and reach the required predetermined temperature range that turns blue.Therefore, when production line does not move, need to make bath remain on high temperature, this wastes very much.In addition, further waste is: although make the wire rod rod improve temperature by wire drawing, but the wire rod rod is cooled to be reeled by coil winder, after this, the wire rod rod launches and is heated to the temperature range of 350 ℃ to 480 ℃ for turning blue from coil winder under about room temperature.
The invention provides a kind of production method of bead wire, the invention is characterized in, it comprises the rust cleaning step, to remove the lip-deep oxide of wire rod rod; The coating liquid adhering step, the wire rod rod that coating liquid is adhered to remove oxide; Drying steps, carry out drying to described wire rod rod; Drawing step, carry out the area reduction to the wire rod rod that is stained with coating liquid and process; And the step of turning blue, make to reduce and to process the wire rod rod that rises to high temperature and turn blue in the temperature range of 350 ℃ to 480 ℃ by area.
Described drawing step comprises by the wire drawing of wire rod rod being carried out to the area reduction step that the area reduction is processed; And the cooling cooling step of wire rod rod of area reduction processing will be carried out, and omit cooling step in a drawing step before the described step of turning blue of next-door neighbour.
Described method further comprises plating step, and the wire rod rod turned blue in the described step of turning blue is electroplated.
Due to the step of turning blue being provided, wherein make by the reduction of the area in drawing step, to process the wire rod rod that rises to high temperature turns blue in the temperature range of 350 ℃ to 480 ℃, therefore can effectively utilize to remain on and reduce by area the heat by this processing generation of processing in the wire rod rod that rises to high temperature and turned blue, from can effectively being turned blue with energy loss seldom.
The present invention also provides a kind of bead wire manufacturing installation, and described wire-drawing production line provides the device that turns blue, and for making, by wire-drawing frame, by area, is reduced and processes the wire rod rod that rises to high temperature and turn blue in the temperature range of 350 ℃ to 480 ℃.Therefore, can reduce and process processing by this area reduction the heat produced and turned blue in the wire rod rod rise to high temperature by area by effectively utilizing to remain on by wire-drawing frame, thereby can realize energy loss bead wire manufacturing installation seldom.
The accompanying drawing explanation
Fig. 1 is according to manufacturing the flow chart of the manufacturing process of bead wire in an embodiment of the invention.
Fig. 2 is the external view of an example separately of wire-drawing frame and the device that turns blue.
Fig. 3 is the cutaway view of the instantiation of wire-drawing frame and the device that turns blue.
Fig. 4 is along the cutaway view of 4-4 line in Fig. 3.
Fig. 5 is the cutaway view according to the instantiation of wire-drawing frame in second embodiment of the present invention and the device that turns blue.
Fig. 6 is the flow chart of bead wire manufacture method in prior art.
Implement mode of the present invention
Below, will bead wire manufacture method in embodiments of the present invention be described and for the manufacturing installation of the method.
Fig. 1 shows the manufacturing process for the manufacture of bead wire.Manufacturing process comprises wire-drawing production line L1, becomes to be applicable to the predetermined gauge or diameter of wire of bead wire for the wire rod rod wire drawing that will be made by high-carbon steel; And electroplating assembly line L2, for to by wire drawing, being become the wire rod rod of predetermined diameter to be electroplated.
In wire-drawing production line L1, to the 11 wire rod rods of being made by high-carbon steel that the launch step 12 that eliminated rust from supply station, in order to remove oxidation film from its surface, then make it through coating liquid adhering step 13, in order to lubricant coating liquid is adhered to the surface of wire rod rod, after this, make it through the drying oven (not shown), for the described lubricant coating liquid of drying.Subsequently, repeat the area reduction by a plurality of dry drawing step 16 (each dry drawing step 16 provides area reduction treatment step 14 and cooling step 15) and process, thereby the wire rod rod is processed into to area, be reduced to the predetermined gauge or diameter of wire that is applicable to bead wire.After this, in order in the wire rod rod in wire drawing, to regain ductility, in the step 17 of turning blue, in the temperature range of 350 ℃ to 480 ℃, turned blue.In cooling step 18, the wire rod rod that will be heated to by turning blue predetermined temperature range is cooled to the temperature that approaches room temperature for being wound around and is wound in web-like by coil winder 19.
Now, while in the reduction of the area in drawing step 16 treatment step 14, the wire rod rod being carried out to area reduction processing, owing to processing, produce heat, make the wire rod rod rise to high temperature.If area reduction is processed and repeated under such high temperature, the wire rod rod can hardening and is become fragile, and therefore can become and more easily rupture.Therefore, in cooling step 15, that the bar-shaped wire rod of high temperature is cooling, and it is fed to next drawing step 16.Yet, in last drawing step 16, that is to say, in the drawing step 16 before the next-door neighbour is turned blue step 17, omit cooling step 15.Result is, in last drawing step 16, carry out wire rod rod that the area reduction processes without cooling and at high temperature former state be fed to the step 17 of turning blue, and turn blue in the temperature range of 350 ℃ to 480 ℃.
In the present embodiment, as an example, for the raw material of bead wire, by high-carbon steel, made, the carbon that described high-carbon steel contains 0.59wt% to 1.1wt% also has ferrite and the two phase structure of carbon body.Then, the carbon steel wire rod with high wire drawing that is for example 5.5-6.5mm by repeating in wire-drawing production line L1 that area reduction is processed by diameter becomes to be applicable to the final diameter that the diameter of bead wire is 2.20-0.94mm.
On the other hand, in electroplating assembly line L2, make wire rod rod 21 expansion from supply station that wire drawing becomes predetermined diameter and turns blue in wire-drawing production line L1.Remove in pickling step 22 by aforementioned turning blue and stick to the lip-deep oxide skin of wire rod rod, and in water-washing step 23, the wire rod rod is washed.Subsequently, in order obtaining and the higher adhesion of rubber on every side, to carry out bronze with for example Cu/Sn=93/7 and electroplate in plating step 24.After this, the charging of wire rod rod is made through water-washing step 25 and hot water wash step 26, and reel into coil winder 27 as bead wire, thereby manufacture bead wire.
All aforesaid rust cleaning steps 12, coating liquid adhering step 13, area reduction treatment step 14, cooling step 15, drawing step 16, the step 17 of turning blue, cooling step 18, pickling step 22, water-washing step 23, plating step 24, water-washing step 25 and hot water wash step 26 form respectively the derusting device in the bead wire manufacturing installation, the coating liquid adhering apparatus, drying device, area reduction treating apparatus, cooling device, wire-drawing frame, device turns blue, cooling device, acid dip tank, rinsing bowl, electroplating bath, rinsing bowl, and hot water washing groove.
In aforesaid wire-drawing production line L1, process one by one the wire rod rod, and in electroplating assembly line L2, in wire-drawing production line L1 the wire rod rod of wire drawing take approximately 20 to approximately 30 processed as unit simultaneously, that is, take tens of as unit.If necessary, as wire-drawing production line L1, many production lines can be set.
According to present embodiment (wherein being turned blue in wire-drawing production line L1), the step 17 of turning blue can be used single line material the rod required little and simple device that turns blue.In addition, due in the drawing step 16 last by area reduce process the wire rod rod rise to high temperature without cooling and at high temperature former state be fed to the step 17 of turning blue, so can reduce and process the heat by this processing generation produced and carry out turning blue of wire rod rod by effectively utilizing by area.Therefore can effectively be turned blue with energy loss seldom.
The instantiation of wire-drawing frame 16 and the device 17 that turns blue in Fig. 2 and 3 demonstration wire-drawing production line L1.Rise to high temperature owing to reducing by area to process, the area reduction treating apparatus 14 that has been had a wire drawing die (die) carries out the wire rod rod W that the area reduction processes and is wrapped in spirally the peripheral of the rotatable drum cooler 31 that forms cooling device 15 contact (referring to Fig. 3) with it by the turning to (turns) of predetermined number.Result is, wire rod rod W is cooled to the temperature close to room temperature by the hot-swap feature between itself and drum cooler 31.
The wire rod rod W that the device 15 that is cooled is cooling is fed to next wire-drawing frame 16, in order to repeat the area reduction thereon, processes.And, to carry out the area reduction thereon by last wire-drawing frame 16 and process to the wire rod rod W of final diameter and be fed to and form as shown in Figure 3 the heater 40 of device 17 that turns blue, and be heated to the temperature (scopes of 350 ℃ to 480 ℃) that is applicable to turn blue.That is, make by last wire-drawing frame 16 carry out area reduction process the wire rod rod that rises to high temperature without cooling and at high temperature former state be fed to the device 17 that turns blue.
As shown in Figure 3, heater 40 provides the heating drum 41 of ring-type, and is wrapped in spirally the peripheral of heating drum 41 contact with it by turning to of predetermined number from the wire rod rod W of last wire-drawing frame 16 chargings.Rotating shaft 42 is connected with the lower end of heating drum 41, coaxial with heating drum 41.Rotating shaft 42 rotatably is supported in brace table 44 by vertical axial bearing 43.
Gear 45A is fixed on rotating shaft 42, and CD-ROM drive motor 46 is connected with gear 45B, gear 45B and gear 45A engagement, thus the driven motor 46 of heating drum 41 drives rotatably.
As shown in Figure 4, heating drum 41 have a plurality of construction (embedding) in wherein, the heater coil 47 that configures on its circumference, and these heater coil 47 are connected with the wire (not shown) through rotating shaft 42, and are connected with heater power source by sliding spring 48.Thus, heater coil 47 is heated by the heater power supply, and heating drum 41 is by 47 heating of heater coil pipe.Therefore, by heating drum 41 and be wrapped in spirally the hot-swap feature between the wire rod rod W of peripheral of heating drum 41, line
Material rod W can be heated to the predetermined temperature that is applicable to turn blue.Can remain at the number of times that turn to around heating drum 41 and wire rod rod W the time turned to around it according to wire rod rod W and control the heating-up temperature that transfers to wire rod rod W.
In this case, due to formation turn blue that the heater 40 of device 17 turns blue single line material rod as needs little and simple device is enough, can be turned blue by heater 40 cheaply.In addition, make by last wire-drawing frame 16 carry out area reduction process the wire rod rod W that rises to high temperature without cooling and at high temperature former state be fed to heater 40 (device 17 turns blue).Result is that the required heat of temperature that wire rod rod W is heated to be applicable to turn blue has seldom just enough.
Like this, owing to being turned blue by effectively utilizing the heat of processing generation by this area reduction remained in wire rod rod W, therefore can effectively be turned blue with energy loss seldom.
Mark in Fig. 3 49 means for making the adiabatic method of heating drum 41 thermal insulation, thereby the heat that makes to send from it does not transfer to the bearing 43 of supporting rotating shaft 42.Adiabatic method 49 can be built as for example supplying with to the partitioned portion between heating drum 41 and rotating shaft 42 mode of cooling water.
On the other hand, as shown in Figure 3, the drum cooler 31 of cooling device 15 is ring-type, and the rotating shaft 32 be connected with the lower end of drum cooler 31 rotatably is supported in brace table 34 by vertical axial bearing 33.Gear 35A is fixed on rotating shaft 32, and CD-ROM drive motor 36 is connected with gear 35B, gear 35B and gear 35A engagement, thus the driven motor 36 of drum cooler 31 drives rotatably.
By the heated wire rod rod that turns blue, being cooled, (referring to Fig. 2) is cooling for device 18, in order to be wound to coil winder 19.Cooling device 18 consists of drum cooler, and it is similar to the cooling device 15 shown in Fig. 3.In this device for the rotating shaft of drum cooler so long as the axle that can rotate freely is just enough.
In structure mentioned above, when drum cooler 31 and heating drum 41 are cooled the CD- ROM drive motor 36,46 of device 15 and the device 17 that turns blue while driving rotatably, in wire-drawing production line L1, mobile wire rod rod W is stretched, and at each wire-drawing frame 16 place, by area, reduce and process the excellent W of the wire rod that rises to high temperature and be wrapped in spirally the periphery of drum cooler 31 and the peripheral of heating drum 41.The wire rod rod W turned blue after device 17 is wound to coil winder 19 by the winding effect of coil winder 19.
Result is, reduce by area at each area reduction treating apparatus 14 places that to process the excellent W of the wire rod that rises to high temperature cooling by each drum cooler 31, and be fed to next area reduction treating apparatus 14, process the wire rod rod W rise to high temperature and be heated drum 41 heating and reduce by area at last area reduction device 14 places, in order to turn blue the temperature range of 350 ℃ to 480 ℃.
According to aforementioned the first embodiment, by last wire-drawing frame 16, carried out the wire rod rod W that the area reduction is processed, in other words, the wire-drawing frame 16 turned blue before device 17 by the next-door neighbour carries out the wire rod rod W that the area reduction is processed, without cooling and at high temperature former state be fed to the device 17 that turns blue, thereby turned blue.Like this, form that the heater 40 of the device 17 that turns blue turns blue single line material rod as needs little and simple device is enough.In addition, can be turned blue by effectively utilizing the heat by this processings generation that the area reduction remained on by last wire-drawing frame 16 places processes in the wire rod rod that rises to high temperature, thereby can effectively be turned blue with energy loss seldom.
Fig. 5 illustrates second embodiment of the invention.The difference of itself and the first embodiment is, in the first embodiment, by the peripheral that the wire rod rod is wrapped in to heating drum 4, wire rod rod W is heated and turns blue, and, in the second embodiment, by making wire rod rod W, through comprising for the heater of the heating furnace 50 of current flow heats or eddy-current heating, wire rod rod W is turned blue.In this respect, the difference of the second embodiment also is, due to its can not be as the heating drum 41 in the device 17 that turns blue tractive wire rod rod W, so be provided with the function of tractive wire rod rod W for the cooling device 18 of the cooling wire rod rod W turned blue.The second embodiment is identical with the first embodiment in other side.Therefore, following description will relate generally to the second embodiment aspect different from the first embodiment, and the description that will omit the same parts to being appointed as same reference numerals.
; in the second embodiment; as shown in Figure 5; by last wire-drawing frame 16, carry out the area reduction and process the wire rod rod W that makes to have final diameter; by making it with the speed of being scheduled to, through comprising the heater for the heating furnace 50 of current flow heats or eddy-current heating, be heated to the temperature range of 350 ℃ to 480 ℃, thereby turned blue.
In addition, be similar to the cooling device 15 of describing in aforementioned the first embodiment, provide the drum cooler 31 of ring-type for the cooling device 18 of the cooling wire rod rod W turned blue, and wire rod rod W be wrapped in the peripheral of drum cooler 31 contact with it spirally.Rotating shaft 32 is connected to the lower end of drum cooler 31 coaxially, and rotatably is supported in brace table 34 by vertical axial bearing 33.Gear 35A is fixed on rotating shaft 32, and CD-ROM drive motor 36 is connected with gear 35B, gear 35B and gear 35A engagement, thus the driven motor 36 of drum cooler 31 drives rotatably.
Form cooling space part 37 in drum cooler 31, and provide cooling medium (such as water etc.) with cooling described drum cooler 31 to cooling space part 37.Therefore, by drum cooler 31 be wrapped in spirally the hot-swap feature between the high temperature wire rod rod W of peripheral of drum cooler 31, wire rod rod W is cooled to the temperature that approaches room temperature.
In the second embodiment, drive rotatably drum cooler 31 by the CD-ROM drive motor 36 with cooling device 15,18, the speed that the wire rod rod W of process wire-drawing production line L1 is pulled and is fed to be scheduled to is passed through the heating furnace 50 for current flow heats or eddy-current heating, thereby wire rod rod W is turned blue.The wire rod that turns blue rod W is wrapped in around the drum cooler 31 of cooling device 18 spirally, and between drum cooler 31 and the wire rod rod W that turns blue, heat exchange occurs.Subsequently, the wire rod rod W that has been heated stove 50 heating is cooled.
Equally in aforementioned the second embodiment, as before mentioned in the first embodiment, wire rod rod W is carried out to current flow heats or eddy-current heating turn blue single line material rod for the heating furnace 50 turned blue as needs little and simple device is enough.In addition, can reduce by area the heat produced by this processings of processing in the wire rod rod rise to high temperature and turned blue by effectively utilizing to remain on, so likely be turned blue with very little energy loss.
In aforementioned embodiments, the embodiment of description relates to the wire rod rod quilt bronze-plating of turning blue.Yet, except bronze-electroplating, can also conduct-zinc plating, copper-plating, brass-plating etc. electroplated.
In addition, in aforementioned embodiments, the embodiment of description relates to cooling device 15 (18) and consists of drum cooler 31, and the heater 40 that forms the device 17 that turns blue forms by heating drum 41 or such as the heating furnace 50 of current flow heats stove, induction heater etc.Yet, the structure that the present invention is not necessarily limited to describe in embodiment.
As described above, based on embodiment, the present invention has been described.Yet, the structure that the invention is not restricted to describe in embodiment, and can present various ways and not depart from the purport of the present invention described in claims.
Industrial usability
Be applicable to manufacture as bead wire used in the production of the tire core of the girth member of automobile tire according to bead wire manufacture method of the present invention and manufacturing installation.
The description of symbol
12... rust cleaning step (derusting device), 13... coating liquid adhering step (coating liquid adhering apparatus),
14... area reduction treatment step (area reduction treating apparatus), 15,18... cooling step (cooling device),
16... drawing step (wire-drawing frame), the 17... step (device turns blue) of turning blue, 24... plating step (electroplating bath),
31... drum cooler, 40... heater, 41... heating drum, 50... heating furnace, W... wire rod rod.
Claims (9)
1. a bead wire process units, is characterized in that, it comprises wire-drawing production line, becomes to be applicable to the predetermined gauge or diameter of wire of bead wire for the wire rod rod wire drawing that will be made by high-carbon steel; And electroplating assembly line, for to by wire drawing, being become the wire rod rod of predetermined diameter to be electroplated; Wherein said wire-drawing production line comprises derusting device, for removing the lip-deep oxide of wire rod rod; The coating liquid adhering apparatus, for adhering to coating liquid the wire rod rod; Drying device, for carrying out drying to the wire rod rod; Wire-drawing frame, process for carry out the area reduction on the wire rod rod; And the device that turns blue, reduce and process the wire rod rod that rises to high temperature and turn blue in the temperature range of 350 ℃ to 480 ℃ by area for making.
2. device as claimed in claim 1, it is characterized in that, described wire-drawing production line is built as processing one by one the wire rod rod, and described electroplating assembly line is built as simultaneously, to take tens of, to be unit processed by the wire rod rod of wire-drawing production line wire drawing.
3. device as claimed in claim 1 or 2, is characterized in that, the described device that turns blue provides heater, for will by area, reducing and process the wire rod rod rise to high temperature and be heated to described temperature range.
4. device as claimed in claim 2, is characterized in that, described heater provides the rotary heating drum, for being wound around thereon, by area, reducing and process the wire rod rod that rises to high temperature; And be built in the heat(ing) coil in described heating drum, be wrapped in described heating drum wire rod rod on every side for heating.
5. device as claimed in claim 2, is characterized in that, described heater provides heating furnace, for the wire rod rod to having heated by wire drawing, carries out current flow heats or eddy-current heating.
6. the manufacture method of bead wire, is characterized in that, it comprises: the rust cleaning step, to remove the lip-deep oxide of wire rod rod; The coating liquid adhering step, the wire rod rod that coating liquid is adhered to remove oxide; Drying steps, carry out drying to the wire rod rod; Drawing step, carry out the area reduction to the wire rod rod that is stained with coating liquid and process; And the step of turning blue, make to reduce and to process the wire rod rod that rises to high temperature and turn blue in the temperature range of 350 ℃ to 480 ℃ by area.
7. the manufacture method of bead wire as claimed in claim 6, is characterized in that, described drawing step comprises by the wire drawing of wire rod rod being carried out to the area reduction step that the area reduction is processed; And, will carry out the cooling cooling step of wire rod rod of area reduction processing, and omit cooling step in the drawing step before the described step of turning blue of next-door neighbour.
8. as the manufacture method of claim 6 or 7 described bead wires, it is characterized in that, described method further comprises plating step, and the wire rod rod turned blue in the described step of turning blue is electroplated.
9. as the manufacture method of the described bead wire of any one in claim 6 to 8, it is characterized in that, described wire rod rod is made by high-carbon steel, and the carbon that described high-carbon steel contains 0.59wt% to 1.1wt% also has ferrite and the two phase structure of carbon body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103155194A CN103433752A (en) | 2013-07-25 | 2013-07-25 | Tire wire production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103155194A CN103433752A (en) | 2013-07-25 | 2013-07-25 | Tire wire production device |
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| CN103433752A true CN103433752A (en) | 2013-12-11 |
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| CN2013103155194A Pending CN103433752A (en) | 2013-07-25 | 2013-07-25 | Tire wire production device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5897419A (en) * | 1981-12-02 | 1983-06-09 | Hitachi Cable Ltd | Method and device for wire drawing |
| JP2007167878A (en) * | 2005-12-20 | 2007-07-05 | Kobe Steel Ltd | High carbon steel wire production method |
| US20090277558A1 (en) * | 2006-04-11 | 2009-11-12 | Bridgestone Corporation | Lightweight and excellent ductile bead wire, method for producing the same and lightweight tire |
| US20120103044A1 (en) * | 2009-07-27 | 2012-05-03 | Fuji Shoji Co., Ltd. | Bead wire manufacturing method and manufacturing apparatus |
-
2013
- 2013-07-25 CN CN2013103155194A patent/CN103433752A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5897419A (en) * | 1981-12-02 | 1983-06-09 | Hitachi Cable Ltd | Method and device for wire drawing |
| JP2007167878A (en) * | 2005-12-20 | 2007-07-05 | Kobe Steel Ltd | High carbon steel wire production method |
| US20090277558A1 (en) * | 2006-04-11 | 2009-11-12 | Bridgestone Corporation | Lightweight and excellent ductile bead wire, method for producing the same and lightweight tire |
| US20120103044A1 (en) * | 2009-07-27 | 2012-05-03 | Fuji Shoji Co., Ltd. | Bead wire manufacturing method and manufacturing apparatus |
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Application publication date: 20131211 |