CN103879238A - Novel steel wire ring buffer layer for tire - Google Patents
Novel steel wire ring buffer layer for tire Download PDFInfo
- Publication number
- CN103879238A CN103879238A CN201410096374.8A CN201410096374A CN103879238A CN 103879238 A CN103879238 A CN 103879238A CN 201410096374 A CN201410096374 A CN 201410096374A CN 103879238 A CN103879238 A CN 103879238A
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- tire
- steel wire
- bead
- wire ring
- shape
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Abstract
The invention discloses a novel steel wire ring buffer layer for a tire. The novel steel wire ring buffer layer comprises a rubber mixture adhesive tape with a certain sectional shape, wherein the rubber mixture adhesive tape, replacing a conventional adhesive-coated cord fabric strip, covers the surface of a steel wire ring for the tire to keep the shape of the steel wire ring and the adhesion between a carcass cord fabric and a bead filling adhesive. The novel steel wire ring buffer layer for the tire has the advantages that the shape of the steel wire ring and the adhesion between the carcass cord fabric and the bead filling adhesive are kept; the rigid ring has a stable shape keeping performance; meanwhile, the matching of the steel wire ring with the carcass cord fabric and the matching of the steel wire ring with the bead filling adhesive is well improved; gas stored between the steel wire ring and a bead filler is reduced. The phenomena of seam allowance breaking, drawing explosion and the like in the using process of the tire are effectively reduced, the durability of a bead of the tire is improved, the service life of the tire is prolonged, the utilization rate of tire materials is improved, and the environmental destruction is reduced.
Description
Technical field
The present invention relates to a kind of tire late-model traveller cushion layer, substitute tradition and cover rubberized cord bar and cover tire and use bead coil surface, with keep bead coil shape and and carcass ply and bead filler rubber between bonding.
Background technology
Bead coil is that tire is fixed to the major part on wheel rim.Now for air-inflation tyre, particularly the airtyred bead coil of autotruck is conventionally in the following way:
On the bead coil that bias tire is generally wound in by copper coated steel wire in a row, directly apply ointment or plaster after bead filler rubber, with covering glue nylon cord fabrics entirety parcel;
After radial-ply tyre is generally wound in bead coil by single copper coated steel wire, outside face covers with covering rubberized cord bar spiral winding, then to bead coil presulfurization;
Tire produces chemical crosslinking in curing process, between steel bead wire-rubber-fibre-rubber cord-carcass steel wire, produce chemical crossbond, sizing material is at carcass steel wire, between steel bead wire and fibercord, play function served as bridge, sizing material and steel wire in tire running process, between fibercord, there is shearing stress, because being spirally wound on, fiber infantees covers on glue steel bead wire, sizing material is many more between the two for area of contact between the two, to be centered around on the bead coil that is tied with fibre curtain cloth and cover glue carcass steel wire, because carcass ply is to be made up of the steel wire that covers glue, after parcel, will there is the camber of a little h in tyre bead bottom, but in this arc, do not have unnecessary sizing material to fill, form hole, in the time of tire force, the shear strain up and down of carcass will increase and causes steel cord periphery glue to form endurance failure under the effect of alternating shear merit.
Therefore, need a kind of late-model traveller padded coaming, this material can cushion the shear strain of carcass, reaches the object that promotes tyre bead performance.
Summary of the invention
In view of this, the object of this invention is to provide that a kind of shape that can better solve bead coil keeps and and carcass ply and bead filler rubber between bonding a kind of late-model traveller cushion layer for tire.
For achieving the above object, the technical solution adopted in the present invention is:
A kind of late-model traveller cushion layer for tire, its feature is: comprise a rubber composition adhesive tape that possesses certain section form, alternative tradition is covered rubberized cord bar and is covered tire and use bead coil surface, with keep bead coil shape and and carcass ply and bead filler rubber between bonding.
According to above-mentioned a kind of late-model traveller cushion layer for tire, its feature is: the section of the described late-model traveller cushion layer for tire is processed as the adhesive tape of definite shape according to bead wire ring shape and size demand.
According to above-mentioned a kind of late-model traveller cushion layer for tire, its feature is: the described late-model traveller cushion layer for tire is the binding power of increase and bead coil or bead filler rubber, can process material prescription.
Advantage of the present invention is: the late-model traveller cushion layer for tire of the present invention have keep bead coil shape and and carcass ply and bead filler rubber between bonding stereosphere there is stable shape retention energy; Meanwhile, improve and better solve coincideing between bead coil and carcass ply and bead filler rubber, subtract the gas of depositing between bead coil and triangle rubber.The present invention has reduced the tire rim of the mouth in use symptom such as quick-fried of splitting, reel off raw silk from cocoons effectively, has improved tire bead endurance quality, extends the service life of tire, promotes the degree of utilization of tire material, reduces the destruction to environment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention in tire bead.
In accompanying drawing
1, late-model traveller cushion layer 2, rubber composition adhesive tape 3, bead coil 4,
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment, the invention will be further described;
A kind of late-model traveller cushion layer 1 for tire, as shown in Figure 1, comprise a rubber composition adhesive tape 2 that possesses certain section form, alternative tradition is covered rubberized cord bar and is covered tire and use bead coil surface, with keep bead coil shape and and carcass ply and bead filler rubber between bonding.
In the present embodiment, be processed as the adhesive tape of definite shape according to bead wire ring 3 shape and size demands for the section of the late-model traveller cushion layer of tire.
In the present embodiment, the binding power that is increase and bead coil or bead filler rubber for the late-model traveller cushion layer 1 of tire, can process material prescription.
In the present invention, it is that rubber composition is pressed into rubber strip and carries out spiral winding covering that tire bead manufacture is wound in after bead coil outside face New Buffering material by single copper coated steel wire, then fits with rubber filling thing.In curing process, between steel bead wire-rubber-carcass steel wire, produce chemistry covalently cross-linked, make tyre bead and carcass enhancement Layer be full of sizing material through chemical crosslinking, reduce the phase displacement producing between the two, effectively reduce the tire rim of the mouth in use symptom such as quick-fried of splitting, reel off raw silk from cocoons, improved tire bead durability.
Contrast experiment
The tyre model of carrying out contrast experiment is 12.00R20-18PR, the steel ring that contrast test adopts respectively stereosphere of the present invention and tradition to be wound around by copper coated steel wire, and other tyre semi-finished products and structure are all identical, and contrast experiment is as follows:
1) tyre bead endurance quality test
Adopt a Tire testing drum, experiment tire is installed on the wheel rim of a standard, fill the air pressure (standard inflation pressure is 830Kpa) take 600Kpa, and load 200% load 7500Kg, 38 ± ℃ ambient temperature under rotate and in the shoulder processing of punching with the linear velocity of 30 kilometers/hour; Until damaging appears in this tire, record the mileage value while damage.In table 1, an exponential representation for experimental result, the tire that this index is produced take prior art is as a reference value 100, and this index is higher, and tire bead endurance quality is better.
2) tyre bead shape conservation rate
Finished tire tyre bead is cut apart, checked stereosphere alteration of form situation, this index is shaped as a reference value 100 with stereosphere of the present invention in finished tire, and this index is lower, Wheel Rim deformation or loose more serious in finished tire.
3) cost contrast
Stereosphere or steel ring cost represent with an index, and this index is take existing traditional steel ring as a reference value 100, and this index is higher, and productive costs is higher.
Table 1
| Tire | Tyre bead endurance quality | Tyre bead shape conservation rate | Productive costs |
| Prior art | 100 | 85 | 100 |
| Experimental example | 130 | 100 | 98 |
Embodiment recited above is described the preferred embodiment of the present invention; not design of the present invention and protection domain are limited; do not departing under the prerequisite of design concept of the present invention; various modification and improvement that in this area, common engineering staff make technical scheme of the present invention, all should fall into protection scope of the present invention.
Claims (3)
1. the late-model traveller cushion layer (1) for tire, it is characterized in that: comprise a rubber composition adhesive tape (2) that possesses certain section form, alternative tradition is covered rubberized cord bar and is covered tire and use bead coil surface, with keep bead coil shape and and carcass ply and bead filler rubber between bonding.
2. late-model traveller cushion layer according to claim 1, is characterized in that: the section of the described late-model traveller cushion layer for tire is processed as the adhesive tape of definite shape according to bead wire ring (3) shape and size demand.
3. late-model traveller cushion layer according to claim 1, is characterized in that: the described late-model traveller cushion layer (1) for tire, for the binding power of increase and bead coil or bead filler rubber, can be processed material prescription.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410096374.8A CN103879238A (en) | 2014-03-10 | 2014-03-10 | Novel steel wire ring buffer layer for tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410096374.8A CN103879238A (en) | 2014-03-10 | 2014-03-10 | Novel steel wire ring buffer layer for tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103879238A true CN103879238A (en) | 2014-06-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410096374.8A Pending CN103879238A (en) | 2014-03-10 | 2014-03-10 | Novel steel wire ring buffer layer for tire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103879238A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935194A (en) * | 2014-04-24 | 2014-07-23 | 江苏通用科技股份有限公司 | Sizing-adhesive-wrapped steel wire ring |
| CN109203864A (en) * | 2018-10-22 | 2019-01-15 | 中国化工集团曙光橡胶工业研究设计院有限公司 | A kind of tyre bead for preventing tire toe position anti-package body cord to be broken |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1291558A (en) * | 2000-10-11 | 2001-04-18 | 周明君 | Technology for manufacturing steel rim of tyre and its steel rim |
| CN102470560A (en) * | 2009-07-31 | 2012-05-23 | 米其林技术公司 | Pressure-sensitive composite reinforcement |
| CN103317974A (en) * | 2013-07-12 | 2013-09-25 | 江苏通用科技股份有限公司 | Tire bead structure |
| CN203920277U (en) * | 2014-03-10 | 2014-11-05 | 山东八一轮胎制造有限公司 | A kind of late-model traveller cushion layer for tire |
-
2014
- 2014-03-10 CN CN201410096374.8A patent/CN103879238A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1291558A (en) * | 2000-10-11 | 2001-04-18 | 周明君 | Technology for manufacturing steel rim of tyre and its steel rim |
| CN102470560A (en) * | 2009-07-31 | 2012-05-23 | 米其林技术公司 | Pressure-sensitive composite reinforcement |
| CN103317974A (en) * | 2013-07-12 | 2013-09-25 | 江苏通用科技股份有限公司 | Tire bead structure |
| CN203920277U (en) * | 2014-03-10 | 2014-11-05 | 山东八一轮胎制造有限公司 | A kind of late-model traveller cushion layer for tire |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935194A (en) * | 2014-04-24 | 2014-07-23 | 江苏通用科技股份有限公司 | Sizing-adhesive-wrapped steel wire ring |
| CN109203864A (en) * | 2018-10-22 | 2019-01-15 | 中国化工集团曙光橡胶工业研究设计院有限公司 | A kind of tyre bead for preventing tire toe position anti-package body cord to be broken |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140625 |
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| RJ01 | Rejection of invention patent application after publication |