CN1706628A - Manufacturing method of tire reinforcing material and manufacturing method of pneumatic tire using the tire reinforcing material - Google Patents
Manufacturing method of tire reinforcing material and manufacturing method of pneumatic tire using the tire reinforcing material Download PDFInfo
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- CN1706628A CN1706628A CN 200510076313 CN200510076313A CN1706628A CN 1706628 A CN1706628 A CN 1706628A CN 200510076313 CN200510076313 CN 200510076313 CN 200510076313 A CN200510076313 A CN 200510076313A CN 1706628 A CN1706628 A CN 1706628A
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- cord
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- casing ply
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- 239000012779 reinforcing material Substances 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000004744 fabric Substances 0.000 claims abstract description 62
- 229920001971 elastomer Polymers 0.000 claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 41
- 230000011514 reflex Effects 0.000 claims description 5
- 238000005304 joining Methods 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 9
- 239000011324 bead Substances 0.000 description 7
- 229920000728 polyester Polymers 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 5
- 239000004816 latex Substances 0.000 description 5
- 229920000126 latex Polymers 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- KGIGUEBEKRSTEW-UHFFFAOYSA-N 2-vinylpyridine Chemical compound C=CC1=CC=CC=N1 KGIGUEBEKRSTEW-UHFFFAOYSA-N 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 229920002978 Vinylon Polymers 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005987 sulfurization reaction Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 241000254043 Melolonthinae Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 229940063583 high-density polyethylene Drugs 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 238000005486 sulfidation Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Tyre Moulding (AREA)
- Tires In General (AREA)
Abstract
A method of manufacturing a tire reinforcing material for achieving uniformity in stiffness at a joint of a ply (1) of a cord fabric (3) and improving dynamic uniformity of a tire shaped and vulcanized, the cord fabric constructed of warp cords (4) arranged in parallel with each other and wefts (5) arranged substantially orthogonally to the warp cords, includes: a topping step for coating with rubber the cord fabric having the wefts folded back at respective warp cords at opposing ends of the cord fabric to produce a ply; a cutting step for cutting the ply into ply pieces each having a predetermined length; a joint forming step for removing one to five cords at each of opposing ends of the ply to form a joint; and a joining step for joining together the joint of one of the ply pieces and the joint of another ply piece.
Description
Technical field
The present invention relates to a kind of manufacture method of using the tire reinforcing material of cord fabric, and the method for manufacturing air tire of using this tire reinforcing material, especially improved homogeneity, and improved pneumatic tire dynamic homogeneity in motion as the engaging zones of the relative ply ends in the reinforcing material of for example carcass, chafer and tyre bead enhancement layer.
Background technology
The cord fabric generally is used for the reinforcing material of tire.For example, the cord fabric that the casingply of radial has, its warp-wise cord (warp cords) are to arrange with the direction vertical with tire circumference.Pneumatic tire with this radial structure is normally made by following steps.
In Bao Ding (topping) process,, made the casing ply that scribbles rubber by warp-wise cord that is arranged parallel to each other by some and the cord fabric that prevents parallel (weft) formation that the warp-wise cord disperses.Along casing ply being cut into the cord synusia that has predetermined length separately with the vertical substantially direction of the warp direction of warp-wise cord.By each the terminal relatively of warp direction along cord synusia warp-wise cord is stacked on the end relatively of another cord synusia, make the selvedge that contains 2～10 cords on the cord synusia join on the selvedge that contains 2～10 cords on another casing ply, thereby the cord synusia is bonded with each other.Repeat for several times such joint to form columned casingply.
Subsequently casingply is combined and forms annular with the reinforcing material of for example bead core.In addition, on the external peripheral surface of ring shaped tyre, application examples such as belt, tread-rubber and sidewall rubber, and make a pneumatic tire by subsequently sulfuration and forming process.
In above-mentioned traditional tire preparation process, the cord synusia of casingply is as for example shown in Figure 4 being bonded together.According to Fig. 4, cord synusia 41,42 terminal relatively 41J, 42J butt joint separately forms junction surface J.In this case, when the junction surface of cord synusia does not have when overlapping, separately terminal relatively 41J of cord synusia 41,42, the warp-wise cord at 42J place have the wavy profile that forms at the fold back portion 43a place of parallel 43 separately.This is because the warp-wise cord at cord fabric opposing ends place is subjected to inside the pining down of fold back portion of parallel.Therefore, at the place, junction surface of cord synusia, warp-wise cord 40 still keeps waveform, has destroyed the homogeneity of casing ply.
Perhaps, as shown in Figure 5,, the cord synusia 51,52 of casingply is bonded together by inciting somebody to action the folded mutually junction surface 5J of formation of end relatively.In this case, cord synusia 51 be positioned at the warp-wise cord 51a at 5J place, junction surface and warp-wise cord 52a that cord synusia 52 is positioned at 5J place, junction surface overlapped.In other words, compare with other parts of casing ply, the junction surface 5J of cord synusia includes more cord, causes every cord to have littler tension force and bigger thermal contraction, and causes the junction surface to have bigger hardness.Therefore, when tire and inflation when pressing the generation in, the junction surface must be lacked than other demi-inflations of casing ply, and so cause depression in the position, junction surface of side wall portion, cause the shape heterogeneity of side wall portion, and the deterioration significantly of the middle homogeneity of travelling.
In order to address the above problem, Japanese Utility Model communique No.4-14462 proposes by the warp-wise cord that uses special ductility cord to locate as cord fabric selvedge (end), to reduce the rigidity at junction surface.The open communique No.58101805 of Japan Patent discloses at cord fabric selvedge place and has used low shrink(LS) polyester cord.In addition, Japanese patent gazette No.61-43457 discloses a kind of cord fabric, and its selvedge is alternately arranged by high ductibility cord and common cord and formed.
Foregoing invention or similarly all the warp of cord fabric is improved.Perhaps, the improvement of the parallel of cord fabric also can be turned back by the warp-wise cord place that makes parallel extend to the selvedge place least significant end of cord fabric, and finishes at the selvedge place of another cord fabric, and parallel is formed in order to suppress the V-arrangement that warp moves.
Summary of the invention
Above-mentioned technology is difficult to make the hardness at the junction surface of cord fabric curtain layer of cloth to reach homogeneous.When tire is formed and vulcanizes, to inflate then when forming internal pressure, sidewall can make dynamic homogeneity deterioration owing to underexpansion has depression with corresponding position, cord fabric junction surface when tire rotates.The present invention has solved the problems referred to above accordingly.
The present invention is the manufacture method of the tire reinforcing material that formed by the cord fabric, and wherein the cord fabric constitutes by the warp-wise cord that is arranged parallel to each other with the parallel of the basic arranged vertical of warp-wise cord.This method comprises: bag top step, be with the cord fabric with the rubber parcel to make casing ply, wherein the cord fabric has the parallel that turns back on terminal relatively each warp-wise cord of cord fabric; Cutting step is cut into casing ply the cord synusia that has predetermined length separately; The junction surface forms step, is used for removing 1～5 cord of each relative end of casing ply, to form the junction surface; And engagement step, the junction surface of a slice cord synusia and the junction surface of another sheet cord synusia are bonded together.
In the junction surface forms step, be removed at each 1～5 terminal relatively warp-wise cord of casing ply, and cut in each terminal relatively parallel fold back portion of casing ply.Like this, can avoid this regional concentration of tension forces, and reduce the waviness at junction surface.Here, the width at junction surface is preferably 0.5～2mm.According to the present invention, tire reinforcing material is applicable to casingply.In addition, the present invention comprises the method for manufacturing air tire of making the casingply method.
According to the present invention, be subjected to pining down owing to be positioned at the warp-wise cord of fold back portion of the parallel of cord fabric to the fabric inboard, 1～5 warp-wise cord is removed from casing ply, to form the junction surface, and the junction surface mutual superposition is with the casing ply chip bonding together, part in the casing ply that makes like this, its homogeneity and casing ply except that the junction surface is the same.Like this, when tire is formed and vulcanizes, and be inflated and when having suitable interior pressure, can reduce the generation of side walls collapse and realize the improvement of homogeneity.
Above-mentioned and other purpose of the present invention, characteristics, aspect and advantage will be combined with the detailed description of accompanying drawing and more obvious by the present invention hereinafter.
Description of drawings
Figure 1A and 1B are the schematic diagrames of the casing ply of cord fabric;
Fig. 2 A and 2B are the schematic diagrames of casing ply joint method of the present invention;
Shown in Figure 3 is the right half part of the cross section of Pneumatic belt tire of the present invention;
Fig. 4 is the schematic diagram of the engagement state of traditional casing ply; And
Fig. 5 is the schematic diagram of the engagement state of traditional casing ply.
The specific embodiment
The present invention is the manufacture method of the tire reinforcing material that formed by the cord fabric, and wherein the cord fabric constitutes by the warp-wise cord that is arranged parallel to each other with the parallel of the basic arranged vertical of warp-wise cord.This method comprises: bag top step, be with the cord fabric with the rubber parcel to make casing ply, wherein the cord fabric has the parallel that turns back on terminal relatively each warp-wise cord of cord fabric; Cutting step is cut into casing ply the cord synusia that has predetermined length separately; The junction surface forms step, is used for removing each 1～5 terminal relatively cord of casing ply, to form the junction surface: and engagement step, the junction surface of a slice cord synusia and the junction surface of another sheet cord synusia are bonded together.
An embodiment of the invention will described below in conjunction with accompanying drawing.
The cord fabric
According to Figure 1A, as mentioned above, the cord fabric 3 that strengthens tire is made of the warp-wise cord that interweaves with parallel.And the warp-wise cord uses tyre cord for example commonly used.Heat in heat in sulfuration and moulding process and the process that for example heats for bonding purpose all can not make the fusing of warp-wise cord, and the warp-wise cord is arranged in the vulcanized pneumatic tire to strengthen pneumatic tire.Especially, warp-wise cord 4 is arranged more intensively than parallel 5.This density can be provided with arbitrarily according to the tire that uses.In addition, warp-wise cord 4 can preferably use the tyre cord of PET, nylon, staple fibre, vinylon (especially high strength vinylon) or aramid fiber.The preferred use has the warp-wise cord that Denier range is 1260～6000 Denier, and can preferably use and have the parallel that Denier range is 180～270 Denier.
The warp direction that parallel 5 is basically perpendicular to warp-wise cord 4 extends, and the parallel 5 shown in Figure 1A interweaves with warp-wise cord 4, thus parallel 5 alternately above every adjacent warp-wise cord and below pass.Parallel 5 is constant in order to the spacing of 4 of many warp-wise cords of keeping in one plane arranging like this.Parallel 5 can interweave under the terminal relatively discontinuous situation shown in Figure 1A.Perhaps, parallel 5 can extend and the form of turning back at left selvedge and right selvedge place interweaves continuously.Can use a kind of in the multiple deinterleaving method like this.
And parallel 5, therefore can use does not anyly almost have fusing point and has the line that the material of heat resistance is made, for example cotton peaceful staple fibre.Perhaps, can use also that to have fusing point be 110～150 ℃ low melting material.In this case, parallel 5 is subjected to the effect of heat and tension force and melts in tire vulcanization process, thereby can avoid so-called straw mat phenomenon, even warp-wise cord 4 becomes wavy phenomenon.In other words, because the tire heat and the pressure that (are about 140～180 ℃) under the curing temperature condition, having melting range and be the holdback force that 110～150 ℃ parallel applies on the warp-wise cord can be weakened in sulfidation.
And above-mentioned material with low-melting parallel can use any for example highdensity polyethylene, vinyl chloride and vinyl acetate copolymer, ethene and vinyl acetate copolymer, copolyamide, quarternary copolymerized acid amides and multi-component copolymer acid amides.
The parallel 5 that interweaves is in order to keep the spacing between the warp-wise cord constant, and prevents that the warp-wise cord from disperseing mutually.Parallel 5 turns back at the warp-wise cord 4a place at cord fabric 3 two ends respectively.Like this, the warp-wise cord 4a at parallel reflex part 5a place is pind down in the cord fabric, and therefore has wavy shape probably.
Bag top process
According to the present invention, casing ply refers to the cord fabric that process is used adhesion process and imbedded rubber composition.It shown in Figure 1A the casing ply that the present invention uses.According to Figure 1A, casing ply 1 has the rubber composition 2 of wherein having imbedded cord fabric 3, the cord fabric has the warp-wise cord 4 that is arranged in parallel with warp direction and separates with constant space on warp direction, and with the parallel 5 of warp-wise cord 4 basic arranged verticals.The density range of warp-wise cord is set as 30～50/5cm in the casing ply.The equatorial density range of casing ply is set as 2～6/5cm.
The cord fabric will be used adhesion process before imbedding rubber composition.Use adhesion process and comprise immersion process, the cord fabric is immersed in a kind of binder solution; And subsequently heating process, the cord fabric is applied at the warp-wise cord under the situation of certain tension force and heats (baking).Like this, the degree of adhesion between tire reinforcing cord fabric and the rubber is improved.After using adhesion process, used unvulcanized rubber in the top and the bottom of cord fabric.Like this, just made so-called casing ply as tire reinforcing material.
According to the present invention, use adhesion process and comprise immersion process, wherein the tire enhancing is soaked in a kind of binder solution with the cord fabric, wherein binder solution comprises for example mixture of main enriched product, formalin and the vinylpyridine latex of resorcinol, or the mixture of the SBR latex of vinylpyridine latex and adding number of chemical composition; And subsequently heating process, the cord fabric is applied at the warp-wise cord under the situation of certain tension force and heats.
Cutting process
Shown in Figure 1A, casing ply 1 has the cord fabric 3 that outer surface posts half finished rubber mixture 2.With casing ply 1 with the vertical substantially direction of the warp direction of warp-wise cord 4 on, be cut into the cord synusia with certain spacing, promptly cut arranging on the essentially identical direction with parallel 5.When casing ply is used to the casingply of radial, the width of the cutting side of the cord synusia of gained, corresponding with the arc length of the ring section of the carcass that between tyre bead, extends, thus warp-wise cord 4 becomes suitable angle (in the radial direction) to arrange with tire circumferential direction.
Junction surface forming process/engaging process
According to Fig. 2 A and 2B, a kind of method of joint of the cord synusia that is cut into by casing ply has been described.In Fig. 2 A, the terminal 21J of cord synusia 21 places on the terminal 22J of cord synusia 22.Before with the casing ply chip bonding, each 1～5 warp-wise cord that is positioned at terminal relatively terminal 21J place of cord synusia 21 and the terminal 22J place that is positioned at cord synusia 22 relative ends is removed.The vestige that the warp-wise cord of cord synusia end is removed is by shown in 21a, the 22a.Refer again to Figure 1A, pind down in the cord fabric in the position of the reflex part 5a of parallel 5 at the warp-wise cord 4a of cord fabric ends.Thereby as shown in Figure 4, the warp-wise cord 40 of ply ends is wavy extension on warp direction.
As described below, by removing 1～5 warp-wise cord at each end of cord synusia, wavy being eliminated of casing ply chip bonding portion.The quantity of the warp-wise cord of removing on the cord synusia is preferably 1～3.When the quantity of the warp-wise cord of removing greater than 5 the time because the effect of wavy elimination is reached, have the Master Cost of removing the necessary waste of cord.In addition, the width at the junction surface between the cord synusia preferably is made as 0.5～2mm.
According to the present invention, shown in Figure 1B, 1～5 warp-wise cord of each relative end of casing ply 11 (being 1 in Figure 1B) is removed from rubber 12, and the reflex part 15a of the parallel of the relative end of casing ply is cut off, thereby the stress of having avoided being positioned on the warp-wise cord of ply ends is concentrated, to effectively reduce the waviness at junction surface.According to the present invention, preferably by on end being placed mutually, with the casing ply chip bonding, thereby terminal warp-wise cord can be not overlapping, and therefore form the single layer structure shown in Fig. 2 B, and wherein the warp-wise cord is arranged with constant space on the cross section.
Airtyred manufacturing
Several aforesaid cord synusia are joined together and form columniform casing ply, and this casing ply can be used for airtyred casingply.Shown in Figure 3 is the cross section of pneumatic tire T right half part, wherein casingply 31 be one from tyre surface 32 extend past sidewalls 33, around bead core 35 revolution and the fixing casing ply of tyre bead 34.Provide a belt with two-layer casing ply 36 that becomes 5～45 with tire circumference side in the tire top area.Tire shown in Figure 3 is the pneumatic tire of meridian structure, and (vertical with the tire circumferential direction) extension radially in tire of the warp-wise cord of casingply is arranged.
Pneumatic tire T is to use this casingply to make by traditional manufacturing process.Concrete, for example casingply, bead core, belt and tread-rubber are mounted in the green tire shell, and it is vulcanized in sulfurizing mould to make pneumatic tire.
Embodiment
The preparation of cord fabric/casing ply
Use has with the cord fabric of polyester cord (1500 Denier/two casing ply) as the parallel of warp-wise cord and 225 Denier.
The cord fabric is through using adhesion process with the degree of adhesion of raising with rubber.In using adhesion process, the cord fabric is immersed in a kind of binder solution, wherein binder solution comprises main enriched product, formalin, the vinylpyridine latex of resorcinol for example and adds the mixture of the SBR latex of number of chemical composition, and the cord fabric is applied at the warp-wise cord under the situation of certain tension force and heats.Wrap up unvulcanized rubber in the top and the bottom of cord fabric subsequently.Like this, just made casing ply as tire reinforcing material.
The preparation of cord synusia and the joint of casing ply
Casing ply is cut into the cord synusia with certain spacing on warp direction.Because casing ply is the casingply that is used for radial, the width of the cutting side of cord synusia equates with the arc length of the ring section of the carcass that extends between tyre bead.
In embodiment 1, the cord synusia that the cutting cord layer forms engages with following method.The casing ply of the cord fabric of use shown in Figure 1B.Shown in Fig. 2 A, the overlapped arrangement of terminal 22J of the terminal 21J of cord synusia 21 and cord synusia 22.Before joint, the 1 warp-wise cord that is positioned at each terminal relatively terminal 21J place of cord synusia 21 and each the terminal 22J place that is positioned at cord synusia 22 relative ends is removed, and the reflex part 15a of parallel is cut off.In reference examples 1, the traditional casing ply that uses the warp-wise cord not to be removed.The specification that table 1 is depicted as embodiment with and assessment result.
According to the present invention, on end being placed mutually, with the casing ply chip bonding, thereby terminal warp-wise cord can be not overlapping, and therefore form the single layer structure shown in Fig. 2 B, and wherein the warp-wise cord is arranged with constant space on the cross section.
The manufacturing of radial
Several aforesaid cord synusia are joined together and form columniform casing ply, and this casing ply are used to be of a size of the casingply of the air-inflation meridian tire of 195/65R15.In the present embodiment, radial is made as pneumatic tire as shown in Figure 3.The specification of Pneumatic belt tire is as follows:
Belt: two-layer belt
Steel cord: 1 * 4 * 0.25
Angle: 22 ° * 22 ° (with the tire circumferential direction angle)
Cure Conditions of Tire: 165 ℃ * 20 minutes
The tyre performance assessment
(1) tire uniformity (RFV: the radial load fluctuation)
(1-1)RFV?OA
RFV refer to tire bear a heavy burden and retainer shaft under certain level, the vibration when tire rotate on tire axle above-below direction, this vibration are that the vibration of automobile in actual travel originated.
Use tire operation machine to be 60rpm in the speed of service, bearing a heavy burden is 4000N, and wheel rim (rim) width is to test under 15 * 6 inches the condition.
(1-2)RFV?1H
" RFV 1H " refers to the component of degree n n that test value with RFV (OA) resolves into gained behind the progression component.
(1-3)RFV?2H
" RFV 2H " refers to the quadratic component that test value with RFV (OA) resolves into gained behind the progression component.
(2) expansion/depression assessment
The assessment of expansion/depression is to carry out the sensory testing by the out-of-flatness to tire sidewall outer surface.The score of assessment result is decided to be 1～5 fen.Higher score represents that the irregular degree of sidewall outer surface is less.As can be seen from Table 1, the homogeneity of embodiment (RFV) and expansion/depression character all are improved.
Table 1
| Embodiment 1 | Reference examples 1 | ||
| The cord fabric | Through wire material | Polyester | Polyester |
| Denier | ??1500 | ??1500 | |
| The parallel material | Cotton and polyester | Cotton and polyester | |
| Denier | ??225 | ??225 | |
| Casing ply | The warp-wise cord density (cord quantity/5cm) | ??50 | ??50 |
| Junction surface width (mm) | ??1.5 | ??1.5 | |
| The warp-wise cord quantity of removing | Each terminal 1 | ??- | |
| Tire characteristics | Homogeneity (1) RFVOA (N) | ??48.5 | ??68.1 |
| ??(2)RFV·1H(N) | ??41.3 | ??56.8 | |
| ??(3)RFV·2H(N) | ??10.2 | ??21.8 | |
| Expansion/depression | ??3.8 | ??3.2 | |
Pneumatic tire with casingply that the manufacture method of using tire reinforcing material of the present invention makes, both do not had at the casing ply junction surface wavy do not have yet overlapping.Like this, tire has homogeneity on the whole.Especially, owing to do not expand or depression at the sidewall outer surface, tire visually effect is better, and therefore has higher commercial value.In addition, tire homogeneity (radial load fluctuation) under steam also is improved.
Though the present invention's drawings in detail describes, can know clearly that the present invention only describes with the method for drawings and Examples, and not limited to by method, the restriction of the claim clause that spirit of the present invention and scope are only added.
Claims (5)
1. the manufacture method of a tire reinforcing material that forms by cord fabric (3), wherein the cord fabric constitutes by the warp-wise cord (4) that is arranged parallel to each other with the parallel (5) of the basic arranged vertical of described warp-wise cord (4), and this method comprises:
Bag top step, be with described cord fabric (3) with the rubber parcel making casing ply (1), described cord fabric (3) has the described parallel (5) that turns back on terminal relatively each warp-wise cord (4a) of described cord fabric (3);
Cutting step is cut into described casing ply (1) the cord synusia that has predetermined length separately;
The junction surface forms step, is used for removing 1～5 cord of each opposing ends of described casing ply (1), to form the junction surface; And
Engagement step is bonded together the junction surface of the described cord synusia of a slice and the junction surface of another sheet cord synusia.
2. the manufacture method of tire reinforcing material as claimed in claim 1 is characterized in that,
Form in the step at described junction surface, 1～5 warp-wise cord of each relative end of described casing ply (1) is removed, and the reflex part of the described parallel of each relative end of described casing ply (1) is cut off.
3. the manufacture method of tire reinforcing material as claimed in claim 1 is characterized in that,
The width at described junction surface is 0.5～2mm.
4. the manufacture method of tire reinforcing material as claimed in claim 1 is characterized in that,
Described tire reinforcing material is a casingply.
5. method for manufacturing air tire that comprises casingply manufacture method as claimed in claim 4.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004168749 | 2004-06-07 | ||
| JP2004168749 | 2004-06-07 | ||
| JP2004271426 | 2004-09-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1706628A true CN1706628A (en) | 2005-12-14 |
| CN100562425C CN100562425C (en) | 2009-11-25 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100763136A Expired - Fee Related CN100562425C (en) | 2004-06-07 | 2005-05-20 | The manufacture method of tire reinforcing material and use the method for manufacturing air tire of this tire reinforcing material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100562425C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102529135A (en) * | 2010-12-21 | 2012-07-04 | 东洋橡胶工业株式会社 | Manufacturing method of a pneumatic tire and pneumatic tire obtained thereby |
| CN106476314A (en) * | 2015-08-31 | 2017-03-08 | 固特异轮胎和橡胶公司 | Tire texture joint construction |
| CN110116514A (en) * | 2018-02-07 | 2019-08-13 | 住友橡胶工业株式会社 | The manufacturing method of band-like cord component |
| CN113242801A (en) * | 2018-11-06 | 2021-08-10 | 科德沙技术纺织品股份公司 | Tire-reinforcing cord fabric |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2754887A (en) * | 1953-12-24 | 1956-07-17 | Firestone Tire & Rubber Co | Method of making a tubeless tire |
| US3237673A (en) * | 1961-06-05 | 1966-03-01 | Goodyear Tire & Rubber | Tubeless tire and method of splicing the inside plies of same |
| JP2000006262A (en) * | 1998-06-19 | 2000-01-11 | Bridgestone Corp | Rubber-coated thread ply jointed body and manufacture thereof |
-
2005
- 2005-05-20 CN CNB2005100763136A patent/CN100562425C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102529135A (en) * | 2010-12-21 | 2012-07-04 | 东洋橡胶工业株式会社 | Manufacturing method of a pneumatic tire and pneumatic tire obtained thereby |
| CN106476314A (en) * | 2015-08-31 | 2017-03-08 | 固特异轮胎和橡胶公司 | Tire texture joint construction |
| CN110116514A (en) * | 2018-02-07 | 2019-08-13 | 住友橡胶工业株式会社 | The manufacturing method of band-like cord component |
| CN110116514B (en) * | 2018-02-07 | 2023-04-28 | 住友橡胶工业株式会社 | Method for manufacturing belt-like cord member |
| CN113242801A (en) * | 2018-11-06 | 2021-08-10 | 科德沙技术纺织品股份公司 | Tire-reinforcing cord fabric |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100562425C (en) | 2009-11-25 |
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