CN101474943B - Puncture-resistant inflating radial tire - Google Patents
Puncture-resistant inflating radial tire Download PDFInfo
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- CN101474943B CN101474943B CN2009100139259A CN200910013925A CN101474943B CN 101474943 B CN101474943 B CN 101474943B CN 2009100139259 A CN2009100139259 A CN 2009100139259A CN 200910013925 A CN200910013925 A CN 200910013925A CN 101474943 B CN101474943 B CN 101474943B
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Abstract
The invention discloses a puncture resistant air inflated meridian tire, which comprises a tire tread which circumferentially surrounds on the tire crown part of the tire, tire sides which are symmetrically arranged on both sides of the tire, two tire rings, a pair of opposite wrapping parts which extend to the two tire rings and move round the tire rings to wrap from the inside to the outside and a tire main body frame positioned in the tire rings, wherein a bunch layer formed by pressing and extending steel wire cords is arranged among the tire crown part, the tire tread and the main body frame corresponding to the tire tread. The tire tread is a compound tire tread and divided into three layers, wherein the upper layer and the lower layer are mixed sizing layers, and the middle layer is a steel wire cord fabric layer or a fiber cord fabric layer. The structure of the tire strengthens the puncture resistance of the tire tread and the integral shock resistance of the tire crown part so as to greatly prolong the service life of the tire.
Description
Technical field
The present invention relates to a kind of Pneumatic belt tire, is a kind of anti-puncture and the strong radial-ply tyre of shock resistance more specifically.
Background technology
For air-inflation tyre, truck tyre particularly, anticyclonic pressure, high load capacity and under complicated, abominable road conditions, move often.Tyre surface position colloid is prone to stab the generation breach or falls piece, causes the bracing ply steel wire exposed, and the tire belt performance is descended, and receives at crown and impacts the living explosion of hour wheel fetal hair, causes the tire infantile failure, even causes major traffic accidents.For the load capacity that improves autotruck and the service life of tire, the anti-puncture ability that must the reinforced tire tyre surface and the bulk strength and the safety multiple at crown position.At present; Be the whole shock resistance of anti-puncture performance and crown position that improves tyre surface; Adopt the adjustment tread-rubbers join or (with) method that increases crown groove base portion glue thickness carries out; But the raising of each performance more than the tire is produced effects and not quite, and often reduced the high speed performance of tire and increased tire weight and cost.
Summary of the invention
The purpose of this invention is to provide a kind of puncture-resistant inflating radial tire, the anti-puncture ability of this kind tire protector and crown position single-piece impact resistance all promote significantly.
The present invention is for realizing above-mentioned purpose, and the technical solution of employing is:
Puncture-resistant inflating radial tire; It comprises: a circumferential hoop is around the tyre surface of taking turns crown part; Symmetry is on the sidewall of tire both sides; Two tyre beads and extend in two tyre beads and walk around tyre bead from inboard anti-package laterally are positioned at the inboard tyre skeleton of tyre bead thereby form a pair of anti-package partial sum; The crown position is provided with the bracing ply that is formed by the steel cord calendering between the corresponding main body framework with it of tyre surface; Be provided with an interlayer in the said tyre surface, this interlayer is metal-cord or fibre curtain layer of cloth.
Above-mentioned tyre surface is compound tyre surface, and being divided into is three layers, and upper strata and lower floor are the epoxy glue bed of material, and interlayer is metal-cord or fibre curtain layer of cloth.
The lower thickness of above-mentioned tyre surface is between 0.5～10 millimeter, and intermediate layer thickness is between 0.5～6 millimeter.
Lower floor's epoxy glue bed of material, wire of intermediate layer carcass plies or the fibre curtain layer of cloth of above-mentioned tyre surface and 100% Stress at definite elongation of the upper strata epoxy glue bed of material change from high to low.
The stand out level of the interlayer of above-mentioned tyre surface and bracing ply is more than 5 millimeters, and the interlayer width is less than the tread surface width more than 5 millimeters.
The fiber and the tire equator of the steel wire of above-mentioned metal-cord or fibre curtain layer of cloth are angled, and this angle value is between 10～55 degree.
Above-mentioned steel wire or fiber become cross arrangement with the steel cord of the bracing ply the superiors.
Beneficial effect of the present invention:
1, the tyre surface of this kind puncture-resistant inflating radial tire is compound tyre surface, increases metal-cord or fibre curtain layer of cloth in the tyre surface, has strengthened the anti-puncture ability and the crown position single-piece impact resistance of tyre surface, and prolonged the service life of tire greatly.
2, the interlayer of tyre surface is metal-cord or fibre curtain layer of cloth, and after the tyre surface upper strata was by puncture, interlayer can play a protective role to tyre surface lower floor and bracing ply, has prolonged the service life of tire greatly.
3,100% Stress at definite elongation of lower floor's epoxy glue bed of material, wire of intermediate layer carcass plies or the fibre curtain layer of cloth of tyre surface and the upper strata epoxy glue bed of material changes from high to low, and the graded of Stress at definite elongation makes carcass have rational hardness and elasticity.
Description of drawings
Fig. 1 is the cross section view of puncture-resistant inflating radial tire;
Fig. 2 is the enlarged view of the first half among Fig. 1.
Below in conjunction with accompanying drawing the present invention is elaborated:
The specific embodiment
In conjunction with Fig. 1, Fig. 2; Puncture-resistant inflating radial tire; It comprises: a circumferential hoop is around the tyre surface 1 of taking turns crown part; Symmetry is positioned at the inboard tyre skeleton 4 of tyre bead thereby form a pair of anti-package partial sum at 2, two tyre beads 3 in the sidewall of tire both sides and extend in two tyre beads 3 and walk around tyre bead from inboard anti-package laterally.The crown position is provided with the bracing ply 5 that is formed by the steel cord calendering between the corresponding main body framework 4 with it of tyre surface 1.Said tyre surface 1 is compound tyre surface, and being divided into is three layers, and upper strata 101 is the epoxy glue bed of material with lower floor 103, and interlayer 102 is metal-cord or fibre curtain layer of cloth.Lower floor's 103 epoxy glue bed of materials, interlayer 102 metal-cords or the fibre curtain layer of cloth of tyre surface 1 and 100% Stress at definite elongation of the upper strata 101 epoxy glue bed of materials change from high to low.
The upper strata 101 epoxy glue bed of materials of tyre surface 1 are the also composite structure of multiple blend glue stuff of single blend glue stuff, and width, thickness are confirmed according to tire size and tire tread trench depth and base portion glue thickness.This layer is extruded by extruder.
Lower floor's 103 thickness of tyre surface 1 are 0.5,5.5 or 10 millimeter, and width confirms according to tire size, and this layer is extruded by extruder or flattening mill rolls severing behind the film.
The compound of tyre surface 1 can carry out before tire building, also can be in forming process bracing ply fit accomplish after according to the completion of on make-up machine, applying ointment or plaster successively of the order on tyre surface lower floor 103, interlayer 102, upper strata 101.
Contrast experiment's example:
The tyre model that compares experiment is 12.00R20-18PR, and its tyre surface 1 is a three-layer composite structure, and tire of the prior art, tyre surface are conventional colloid face.Other position structure and the material of two tires are identical, test as follows at present:
1) tire high speed performance test
Adopt a Tire testing drum; The experiment tire is installed in one and is of a size of on 8.5 the standard rim, fills with standard pressure and loads standard load, and the linear velocity with 60 kilometers/hour under 38 ℃ environment is a starting velocity; Every two hours speed increases by 10 kilometers; The running tire till this damaged tyres, writes down its operating speed value this moment.In table 1, test results is with an exponential representation, and this index is with the tire a reference value 100 of prior art production, and this index is high more, and the tire high speed performance is good more.
2) anti-puncture performance of tire protector and crown strength test
Anti-puncture performance of tire protector and the strength test of crown position, in table 1, test results is with an exponential representation; The tire that this index is produced with prior art is an a reference value 100; This index is high more, and the whole shock resistance of anti-puncture performance of tyre surface and crown is high more, and safety factor is big more.
Table 1
| Tire | High speed performance | The anti-puncture of the tyre surface intensity of coming of age |
| Prior art | 100 | 100 |
| Experimental example | 115 | 135 |
Certainly, above-mentioned explanation is not to be limitation of the present invention, and the present invention also is not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that the technical personnel in present technique field is made in essential scope of the present invention also should belong to protection scope of the present invention.
Claims (2)
1. puncture-resistant inflating radial tire; It comprises: a circumferential hoop is around the tyre surface of taking turns crown part; Symmetry is on the sidewall of tire both sides; Two tyre beads and extend in two tyre beads and walk around tyre bead from inboard anti-package laterally are positioned at the inboard tyre skeleton of tyre bead thereby form a pair of anti-package partial sum; The crown position is provided with the bracing ply that is formed by the steel cord calendering between the corresponding main body framework with it of tyre surface; It is characterized in that: said tyre surface is compound tyre surface, and being divided into is three layers, and upper strata and lower floor are the epoxy glue bed of material, and interlayer is metal-cord or fibre curtain layer of cloth; The lower thickness of said tyre surface is between 0.5～10 millimeter, and intermediate layer thickness is between 0.5～6 millimeter; Lower floor's epoxy glue bed of material, wire of intermediate layer carcass plies or the fibre curtain layer of cloth of said tyre surface and 100% Stress at definite elongation of the upper strata epoxy glue bed of material change from high to low; The stand out level of the interlayer of said tyre surface and bracing ply is more than 5 millimeters, and the interlayer width is less than the tread surface width more than 5 millimeters; The fiber and the tire equator of the steel wire of said metal-cord or fibre curtain layer of cloth are angled, and this angle value is between 10～55 degree.
2. puncture-resistant inflating radial tire according to claim 1 is characterized in that: said steel wire or fiber become cross arrangement with the steel cord of the bracing ply the superiors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100139259A CN101474943B (en) | 2009-01-12 | 2009-01-12 | Puncture-resistant inflating radial tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100139259A CN101474943B (en) | 2009-01-12 | 2009-01-12 | Puncture-resistant inflating radial tire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101474943A CN101474943A (en) | 2009-07-08 |
| CN101474943B true CN101474943B (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100139259A Active CN101474943B (en) | 2009-01-12 | 2009-01-12 | Puncture-resistant inflating radial tire |
Country Status (1)
| Country | Link |
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| CN (1) | CN101474943B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501729A (en) * | 2011-12-03 | 2012-06-20 | 山东恒宇橡胶有限公司 | Radial tire with fiber layer enhanced tread |
| CN103770576B (en) * | 2014-01-21 | 2017-02-01 | 青岛双星轮胎工业有限公司 | Puncture-resistant prevulcanization tire tread |
| FR3090476A3 (en) * | 2018-12-19 | 2020-06-26 | Michelin & Cie | Optimized truck tire |
| FR3090475A3 (en) * | 2018-12-19 | 2020-06-26 | Michelin & Cie | Optimized truck tire |
| FR3090473A3 (en) * | 2018-12-19 | 2020-06-26 | Michelin & Cie | Optimized truck tire |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1107783A (en) * | 1993-10-15 | 1995-09-06 | 米什兰集团总公司 | Stainless wire used for tyre frame |
| CN1438945A (en) * | 2000-06-29 | 2003-08-27 | 米其林技术公司 | Aircraft tyre with improved tyre bead |
| WO2008139827A1 (en) * | 2007-05-16 | 2008-11-20 | Bridgestone Corporation | Radial tire for aircraft |
-
2009
- 2009-01-12 CN CN2009100139259A patent/CN101474943B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1107783A (en) * | 1993-10-15 | 1995-09-06 | 米什兰集团总公司 | Stainless wire used for tyre frame |
| CN1438945A (en) * | 2000-06-29 | 2003-08-27 | 米其林技术公司 | Aircraft tyre with improved tyre bead |
| WO2008139827A1 (en) * | 2007-05-16 | 2008-11-20 | Bridgestone Corporation | Radial tire for aircraft |
Non-Patent Citations (1)
| Title |
|---|
| 说明书附图1. |
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| Publication number | Publication date |
|---|---|
| CN101474943A (en) | 2009-07-08 |
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