CN101439590B - Manufacturing method for heavy-duty pneumatic tire and tire manufactured by the same - Google Patents
Manufacturing method for heavy-duty pneumatic tire and tire manufactured by the same Download PDFInfo
- Publication number
- CN101439590B CN101439590B CN2008101683950A CN200810168395A CN101439590B CN 101439590 B CN101439590 B CN 101439590B CN 2008101683950 A CN2008101683950 A CN 2008101683950A CN 200810168395 A CN200810168395 A CN 200810168395A CN 101439590 B CN101439590 B CN 101439590B
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- China
- Prior art keywords
- belt
- sheet rubber
- heavy
- pneumatic tire
- duty pneumatic
- 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.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/48—Tyre cords
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C2009/1871—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers with flat cushions or shear layers between belt layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C2009/2035—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel built-up by narrow strips
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Tires In General (AREA)
Abstract
The present invention discloses a method for manufacturing a heavy-duty pneumatic tire by winding a reinforcing belt disposed in a belt layer of a tread with an uncoated spiral steel cord, and a tire manufactured by the same.
Description
Technical field
The present invention relates to a kind of manufacture method and a kind of tire of high-capacity tyre, particularly relate to a kind of by utilizing no coating spiral wire cord to be wound in method and a kind of tire that the reinforcing band that is arranged in the tyre surface belt portion is made heavy-duty pneumatic tire by this method manufacturing by this method manufacturing.
Background technology
Recently, for example the commercial vehicle of truck has reduced the height of its platform so that increase loading space.Therefore, exist the development trend that reduces tire outside diameter.
In addition, consider the fuel ratio of vehicle, made the weight that multiple trial reduces vehicle, one of them is to adopt to comprise the single-wheel that is installed on the commercial vehicle but not the single tire of two-wheel.This single wheel tyre is so-called super single (super single type tire), and it not only can reduce the weight of tire, but also can reduce the quantity of required wheel rim, therefore helps to alleviate the weight of vehicle.
Super single is compared with common high-capacity tyre has bigger width and lower aspect ratio.--especially carcass and belt--is subjected to bigger internal pressure and load because lower aspect ratio, to make the various members of tire, thus deterioration the durability of tire belt.
In addition, under the situation of tire inflation, the increase of the external diameter of tyre surface core is greater than the increase of the external diameter of tire shoulder part.Therefore, grounded part concentrates on the tyre surface core, can cause the distortion of tyre surface core like this.Since this distortion deterioration the durability of belt and the service life of tire, therefore more and more be necessary to strengthen tyre surface.
Usually, advise that also will strengthen belt structure is applied to the belt parts of tyre surface so that strengthen various members.For example, U.S. Patent No. 6,357,527 have introduced a kind of tire with reinforcement belt 104 as shown in Figure 5, and this reinforcement belt is to twine single steel wire cord 106 by spiral between second belt that is attached to assembly drum 101 and the 3rd belt to form.Though can obtain to strengthen the effect of belt by this tire, need the considerable time owing between each belt, twine the all-steel cord 106 of sub-thread than the belt portion of wide base tire, therefore make manufacturing cost increase.
In order to address the above problem, as U.S. Patent No. 2005-0126674-A1 is disclosed, introduced a kind of another kind of reinforcing band structure as shown in Figure 6,206 pairs of the steel wire bars that this reinforcing band structure is made of a plurality of all-steel cords by the winding of spiral on assembly drum 201 are strengthened belt 204 and are strengthened.Yet, because steel wire bar 206 has the cutting part of broad in two end, make stress concentrate on this cutting part, therefore can damage belt.
Summary of the invention
Therefore, consider the problems referred to above and draw the present invention, the manufacture method that the purpose of this invention is to provide a kind of heavy-duty pneumatic tire, described heavy-duty pneumatic tire is furnished with belt portion, described belt portion comprises that described manufacture method comprises by being wound in the reinforcing band that the winding steel wire cord forms between second belt on the assembly drum and the 3rd belt: have described second belt of following sheet rubber to be wound on the described assembly drum with upper surface is attached; Do not have the coating all-steel cord and form reinforcing band by on described down sheet rubber, supplying simultaneously and twining multiply; Weft yarn is arranged on the described reinforcing band with corrugated form; And the last sheet rubber that will be attached to described the 3rd belt in advance is installed on described reinforcing band and the described weft yarn.When in the belt portion at tire tread reinforcing band being set, supplying simultaneously and twine multiply and do not have the coating all-steel cord, and before twining no coating all-steel cord between second belt of belt portion and the 3rd belt attached sheet rubber, and between no coating all-steel cord and top sheet rubber, weft yarn is set, solved the problem of residual bubble therefrom, this manufacture method can reduce manufacturing time effectively and improve the durability of belt; The present invention also provides a kind of tire by this method manufacturing.
According to aspects of the present invention, can realize above-mentioned and other purpose by a kind of following heavy-duty pneumatic tire is provided, this heavy-duty pneumatic tire moulding in the following way: construct skeleton by connect the bead part that is arranged on both sides via carcass, tyre surface and sidewall are attached to carcass.This heavy-duty pneumatic tire comprises: be formed at the belt portion between described tyre surface and the described carcass, described belt portion comprises second belt, sheet rubber, multiply do not have the coating all-steel cord, go up sheet rubber and the 3rd belt down, wherein, described sheet rubber down is attached to the upper surface of second belt and the lower surface that described upward sheet rubber is attached to the 3rd belt, wherein, thus described multiply do not have the coating all-steel cord and be fed to described sheet rubber and the described sheet rubber and described winding formation reinforcing band between the sheet rubber down between the sheet rubber and on described down gone up; And weft yarn, it is arranged between sheet rubber and the reinforcing band.
Description of drawings
From following detailed description with the accompanying drawing, will be expressly understood the above-mentioned purpose, feature and other the advantage that reach other of the present invention more, in the accompanying drawing:
Fig. 1 is the partial sectional view of the heavy-duty pneumatic tire made by according to the embodiment of the present invention method;
Fig. 2 is partial cut and the view of apparatus that the major part of the heavy-duty pneumatic tire of being made by method according to the embodiment of the present invention is shown;
Fig. 3 schematically illustrates according to method according to the embodiment of the present invention not have the view that the coating all-steel cord forms the operation of reinforcing band by the supply multiply;
Fig. 4 is the exploded perspective view by the tire belt portion of according to the embodiment of the present invention method manufacturing; And
Fig. 5 and Fig. 6 are the views that schematically illustrates according to prior art supply steel wire strand cord and the operation of winding steel wire cord on assembly drum.
The specific embodiment
Hereinafter, describe illustrative embodiments of the present invention with reference to the accompanying drawings in detail.
Fig. 1 is the partial sectional view of the heavy-duty pneumatic tire made by according to the embodiment of the present invention method.Fig. 2 illustrates the partial cut of major part of heavy-duty pneumatic tire according to the embodiment of the present invention and the view of amplification.Fig. 3 schematically illustrates according to this method not have the view that the coating all-steel cord forms the operation of reinforcing band by the supply multiply.
According to the embodiment of the present invention, a kind of heavy-duty pneumatic tire manufacture method that is used for by twining steel wire strand cord 6 between second belt 2 on the assembly drum 1 and the 3rd belt 3 being wound in, has formed the belt portion 5 that comprises reinforcing band 4.This manufacture method also comprises following operation: twine attached second belt 2 that following sheet rubber 7 is arranged on assembly drum 1, supply multiply simultaneously and do not have coating all-steel cord 6, and playing winding steel wire cord 6 on the sheet rubber 7, form reinforcing band 4 thus; On reinforcing band 4 with corrugated arranged in form weft yarn 8; And install on reinforcing band 4 and the weft yarn 8 be attached in advance the 3rd belt 3 on sheet rubber 9.
Herein, no coating all-steel cord 6 refers to the all-steel cord that does not have rubber coating.Owing to use no coating all-steel cord 6 to replace traditional all-steel cord that scribbles rubber in embodiments of the present invention, therefore can improve the speed of wrap of the no coating all-steel cord 6 that is supplied to assembly drum 1, reduced the molding time of reinforcing band 4 thus.
According to illustrated embodiment, each no coating all-steel cord 6 comprises the braid of being made by the steel wire strand cord.Yet if necessary, the steel wire strand cord that for example can supply 3 to 5 strands simultaneously is in order to form reinforcing band 4.
As shown in Figure 4, the weft yarn 8 that is arranged between reinforcing band 4 and the last sheet rubber 9 forms with respect to the no coating all-steel cord 6 that circumferentially twines along tire to arrange along the waveform of laterally (being the width of tire) formation.The starting point that is attached to the no coating all-steel cord 6 of each strand of assembly drum 1 is in different positions with terminal point, more specifically, and each interval and be attached to the following sheet rubber 7 of second belt 2.
Be separately positioned on upper part and lower part that the last sheet rubber 9 of the upper part of no coating all-steel cord 6 and lower part and play sheet rubber 7 form very thinly and be attached to reinforcing band 4 respectively, the described sheet rubber 9 of going up is attached to second belt 2 and the 3rd belt 3 in advance with following sheet rubber 7.
Heavy-duty pneumatic tire according to the embodiment of the present invention is by above-mentioned method manufacturing.More specifically, form skeleton by connect the bead part 11 that is arranged on both sides via carcass 12, and tyre surface 13 and sidewall 14 are attached to carcass 12.In addition, in the belt portion 5 that is arranged between tyre surface 13 and the carcass 12, reinforcing band 4 is set.In the heavy-duty pneumatic tire of manufacturing in the above, with sheet rubber 7 and last sheet rubber 9 are attached to the upper surface of second belt 2 and the lower surface of the 3rd belt 3 respectively down.Supply and winding multiply do not have coating all-steel cord 6 between last sheet rubber 9 and following sheet rubber 7.Weft yarn 8 is arranged on sheet rubber 9 and comprises between the reinforcing band 4 of no coating all-steel cord 6, constituted belt portion 5 thus.
Herein, along the width of tire--promptly, with respect to the reinforcing band 4 that circumferentially forms along tire laterally--with corrugated form weft yarn 8 is set.In addition, weft yarn 8 comprises thread material.
No coating all-steel cord 6 can comprise single steel wire cord or the braid of being made by the steel wire strand cord.
As mentioned above, according to the embodiment of the present invention, owing to when forming the tyre surface belt portion that comprises reinforcing band, supply the steel wire strand cord simultaneously, so can reduce manufacturing time.In addition, the starting point by all-steel cord thigh that spiral is twined is arranged on different positions with terminal point, that is, each starting point and terminal point are spaced apart from each other, and can prevent that the stress on the all-steel cord end from concentrating.Therefore, can improve the durability of belt.
Although disclose preferred implementation of the present invention for illustrative purposes, it will be understood by those of skill in the art that under the situation of scope of disclosure and spirit in not deviating from as claims, can carry out multiple remodeling, increase and substitute.
Claims (8)
1. method of making heavy-duty pneumatic tire, described heavy-duty pneumatic tire is furnished with belt portion, described belt portion comprises that described manufacture method comprises by being wound in the reinforcing band that the winding steel wire cord forms between second belt on the assembly drum and the 3rd belt:
There is described second belt of following sheet rubber to be wound on the described assembly drum with upper surface is attached;
Do not have the coating all-steel cord and form reinforcing band by on described down sheet rubber, supplying simultaneously and twining multiply;
Weft yarn is arranged on the described reinforcing band with corrugated form; And
The last sheet rubber that is attached to described the 3rd belt in advance is installed on described reinforcing band and the described weft yarn.
2. the method for manufacturing heavy-duty pneumatic tire as claimed in claim 1, wherein, described no coating all-steel cord comprises a braid of being made by the steel wire strand cord.
3. the method for manufacturing heavy-duty pneumatic tire as claimed in claim 1, wherein, described no coating all-steel cord comprises the single steel wire cord.
4. the method for manufacturing heavy-duty pneumatic tire as claimed in claim 1, wherein, when described no coating all-steel cord being attached to described time sheet rubber of described second belt, the starting point that is attached to the described no coating all-steel cord of each strand of described assembly drum is arranged on different positions to be spaced apart from each other with terminal point.
5. the method for manufacturing heavy-duty pneumatic tire as claimed in claim 1, wherein, described weft yarn with respect to along the described no coating all-steel cord of the circumferential winding of described tire with along laterally, the corrugated form setting of promptly extending along the width of described tire.
6. the method for manufacturing heavy-duty pneumatic tire as claimed in claim 1, wherein, described weft yarn comprises yarn.
7. heavy-duty pneumatic tire, the moulding in the following way of described heavy-duty pneumatic tire: construct skeleton by connect the bead part that is arranged on both sides via carcass, tyre surface and sidewall are attached to described carcass, described heavy-duty pneumatic tire comprises:
Be formed at the belt portion between described tyre surface and the described carcass, described belt portion comprises second belt, sheet rubber, multiply do not have the coating all-steel cord, go up sheet rubber and the 3rd belt down, wherein, described sheet rubber down is attached to the upper surface of described second belt and the lower surface that described upward sheet rubber is attached to described the 3rd belt, wherein, thus described multiply do not have the coating all-steel cord and be fed to described sheet rubber and the described sheet rubber and described winding formation reinforcing band between the sheet rubber down between the sheet rubber and on described down gone up; And
Weft yarn, described weft yarn are arranged on described going up between sheet rubber and the described reinforcing band.
8. heavy-duty pneumatic tire as claimed in claim 7, wherein, described weft yarn with respect to along the described reinforcing band of the circumferential winding of described tire with along laterally, the corrugated form setting of promptly extending along the width of described tire.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020070120215A KR20090053380A (en) | 2007-11-23 | 2007-11-23 | Heavy duty vehicle tire improved belt member with helical winding coil |
| KR1020070120215 | 2007-11-23 | ||
| KR10-2007-0120215 | 2007-11-23 | ||
| KR1020080086254 | 2008-09-02 | ||
| KR10-2008-0086254 | 2008-09-02 | ||
| KR1020080086254A KR100976580B1 (en) | 2008-09-02 | 2008-09-02 | Manufacturing method of truck bus radial tire and tire thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101439590A CN101439590A (en) | 2009-05-27 |
| CN101439590B true CN101439590B (en) | 2011-08-31 |
Family
ID=40724263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101683950A Active CN101439590B (en) | 2007-11-23 | 2008-10-30 | Manufacturing method for heavy-duty pneumatic tire and tire manufactured by the same |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20090053380A (en) |
| CN (1) | CN101439590B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110086224A1 (en) * | 2009-10-13 | 2011-04-14 | E.I. Du Pont De Nemours And Company | Sheet and Method of Making Sheet for Support Structures and Tires |
| CN102275319A (en) * | 2011-08-31 | 2011-12-14 | 中橡集团曙光橡胶工业研究设计院 | Oblique engineering tire forming process |
| JP6718334B2 (en) * | 2016-08-17 | 2020-07-08 | 株式会社ブリヂストン | Pneumatic tire |
| CN109866556A (en) * | 2017-12-04 | 2019-06-11 | 正新橡胶工业股份有限公司 | A kind of tire of wound form steel wire zonary structure |
| CN113246517B (en) * | 2021-05-12 | 2022-06-10 | 山东新豪克轮胎有限公司 | Tyre belt winding process |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5547005A (en) * | 1991-11-05 | 1996-08-20 | Sumitomo Rubber Industries, Ltd. | Radial tire with enhanced bead durability |
| US20040256044A1 (en) * | 2001-07-19 | 2004-12-23 | Guido Riva | Tyre for motor vehicles with undulated manofilaments in belt reinforcement layer |
-
2007
- 2007-11-23 KR KR1020070120215A patent/KR20090053380A/en not_active Application Discontinuation
-
2008
- 2008-10-30 CN CN2008101683950A patent/CN101439590B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5547005A (en) * | 1991-11-05 | 1996-08-20 | Sumitomo Rubber Industries, Ltd. | Radial tire with enhanced bead durability |
| US20040256044A1 (en) * | 2001-07-19 | 2004-12-23 | Guido Riva | Tyre for motor vehicles with undulated manofilaments in belt reinforcement layer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101439590A (en) | 2009-05-27 |
| KR20090053380A (en) | 2009-05-27 |
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| C14 | Grant of patent or utility model | ||
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