CN206568818U - A kind of radial of quadriply belt beam layer - Google Patents
A kind of radial of quadriply belt beam layer Download PDFInfo
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- CN206568818U CN206568818U CN201720254284.6U CN201720254284U CN206568818U CN 206568818 U CN206568818 U CN 206568818U CN 201720254284 U CN201720254284 U CN 201720254284U CN 206568818 U CN206568818 U CN 206568818U
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Abstract
A kind of radial of quadriply belt beam layer, including tyre surface, carcass and quadriply belt beam layer, the quadriply belt beam layer is arranged between the tyre surface and carcass, the quadriply belt beam layer is respectively first layer belt, second layer belt, third layer belt and quadriply belt beam layer, the quadriply belt beam layer, third layer belt, second layer belt and first layer belt overlap successively from top to bottom, the quadriply belt beam layer is covered on second layer belt, the center line of the first layer belt and the tyre surface keeps 0 degree of angle, the second layer belt, the center line of third layer belt and quadriply belt beam layer with the tyre surface keeps 60 degree to 90 degree of angle.All-steel load-bearing radial tire is solved the problem of the lateral contraction distortion during traveling is rolled is excessive, so as to reach the rolling resistance of reduction tire, improve the purpose of tire wear, while overcoming the shoulder sky during tire is run at high speed, delamination problems, vehicle safety and the service life of tire are improved.
Description
Technical field
The utility model is related to a meridian line tyre, more particularly to a kind of quadriply belt beam layer radial.
Background technology
Carcass ply, wire loop and belt constitute the basic framework of radial, and each side is come from for undertaking
Stress.All-steel load-bearing radial tire each several part framework material is made using steel cord and (make use of the compression of steel wire
Small, modulus is high, large carrying capacity the characteristics of).The reason for radial is lower than cross-ply rolling resistance, wearability is good it
One, it is exactly radial in rolling, " contract " (vertical with rotating direction) of access area rubber is smaller than cross-ply
A lot (Another reason is that rolling radius is bigger than cross-ply), also radial anti-wear performance is better than cross-ply
The reason for.The compression stiffness that this reason comes from all-steel cord is more much larger than nylon or polyester cord.While steel wire and rubber
There are much relations in the compression stiffness of composite of glue composition and the direction of all-steel cord.
The research that current belt angle influences on tyre performance still not system, because belt mainly has two big work(
With one is the effect for undertaking banding carcass；Two be to undertake the stress during tire running.The band of all-steel load-bearing radial tire
Beam layer is typically made up of three layers or four layers of steel belt, for undertaking radial drive power and transverse compression suffered by tire tread
Deformation force, the angle of each steel belt is between 15 °~25 °, to take into account stress (the first of quadriply belt beam layer of these two aspects
Layer angle is general between 40-65).
The belt structure form of all-steel load-bearing radial tire mainly has two kinds at this stage, one kind be by three layers 15 °~
25 ° of angle belts and one layer of 40-65 ° of belt intersect composition, have taken into account radial drive power and transverse compression deformation force two
The power of aspect.It is another to be made up of three layers of 15 °~25 ° angle belt+two shoulder zero-degree belts that intersect, mainly for
Easily there is the problem of tire shoulder comes to nothing when overcoming quadriply belt beam Rotating fields tire to run at high speed.
From the point of view of the document delivered, the belt of the all-steel load-bearing radial tire of existing scholar's research zero-degree belt by
Power problem (connects) with carcass, and makes tire, and this tire improves the datonation-inhibition ability of high-capacity tyre, also mitigates intermediate layer
Shear stress, improve the shoulder performance of tire.The new structure radial of French Michelin's design, is employed in 0 °
Arrange the braced tyre of cord：Angled belt is substituted with this belt, and below belt plus puts hardcore, carcass
The characteristics of remaining general radial.Said structure design scheme make it that the tire in use shear by interlayer cord
Stress is greatly reduced, and the angular effect produced by cord angle is eliminated, the hysteresis loss of carcass is small, so that tire force
More reasonable, high speed performance and comfort property are better than general radial.
Tyres for passenger cars is small due to load-bearing, and circumferential driving force is also small, and the travel speed of especially electric car is not high, right
The banding of belt is less demanding, so when designing pure electric automobile tire, tire is improved by wide-angle cord belt
Lateral rigidity (while can meet the requirement of radial load), greatly reduces lateral contraction of the tire tread in rolling process and becomes
Shape, so as to reach reduction rolling resistance, improves tire handling, the anti-wear performance of tyre surface.
In summary, two kinds of belt structure forms that all-steel load-bearing radial tire is generally used at this stage mainly have with
Lower shortcoming：Quadriply belt beam Rotating fields all-steel load-bearing radial tire is made up of four layers of 15 °~25 ° angle belt, ground pressure
Than more uniform, the friction durability height of tire, there is preferable bearing capacity, but the belt tightening force of tire is not enough, rolling resistance
Greatly, oil consumption is high, easily tire shoulder occurs when tire is run at high speed or crown comes to nothing.Radially driven though the tire of such a structure has been taken into account
Power of both power and transverse compression deformation force, both undertakes the effect of resistance tire ground area compression, carcass is undertaken again
Banding is acted on, so it is difficult to balance both relations, making both effects play less than optimal.
Triple layer with beam layer 0 degree of belt all-steel load-bearing radial tire of+two shoulders is by three layers of 15 °~25 ° shoulder of angle belt+two
Local zero-degree belt composition, general anti-bursting type all-steel load-bearing radial tire can use this structure, though this structure overcomes
Easily occur the problem of tire shoulder comes to nothing when quadriply belt beam Rotating fields tire is run at high speed, but the ground contact pressure distribution of tire is uneven
It is even, while the banding coefficient of tyre shoulders is big compared with bizet, it will also result in tire access area pressure point under different air pressure and load
Cloth difference is larger, and tire wear resistance is poor, bearing capacity reduces, and easily occurs the quality such as crown deformation, crown explosion when using and asks
Topic.
Zero-degree belt all-steel load-bearing radial tire is that the belt of the 0 ° of arrangement cord designed by French Michelin is new
Type structure radial, though making the tire, interlayer cord shear stress is greatly reduced in use, eliminates because of cord
Angle and the angular effect produced, the hysteresis loss of carcass is small, so that tire force is more reasonable, high speed performance and comfortableness
General radial can be better than, but because the lateral contraction distortion of ground area is big, make tire wear hydraulic performance decline.
Though the wide-angle belt structure of pure electric automobile tire improves tire lateral stiffness, tire tread is greatly reduced
Lateral contraction distortion in rolling process, so as to reach reduction rolling resistance, improves tire handling, the wearability of tyre surface
Can, but it is not suitable for the all-steel load-bearing radial tire that loading capacity is big, travel speed is high.
The content of the invention
The utility model is exactly in view of the deficienciess of the prior art, there is provided a kind of rotating radial of quadriply belt beam layer
Tire.
To solve the above problems, technical solution adopted in the utility model is as follows：
A kind of radial of quadriply belt beam layer, including tyre surface, carcass and quadriply belt beam layer, the quadriply belt beam layer are set
Put between the tyre surface and carcass, the quadriply belt beam layer is respectively first layer belt, second layer belt, third layer
Belt and quadriply belt beam layer, the first layer belt, second layer belt, third layer belt and quadriply belt beam
Layer is overlaped successively from bottom to top, and the quadriply belt beam layer is covered on second layer belt, the quadriply belt
The center line of beam layer and the tyre surface keeps 0 degree of angle, the first layer belt, second layer belt and third layer band beam
Layer keeps 60 degree to 90 degree of angle with the center line of the tyre surface.
Further, divide in the first layer belt, second layer belt, third layer belt and quadriply belt beam layer
Do not include the belt steel wire, the belt steel wire of some second layer belts, some third layer of some first layer belts
The belt steel wire of the belt steel wire of belt and some quadriply belt beams layer.
Further, the belt steel wire of some first layer belts keeping parallelism, described some each other
The belt steel wire of two layers of belt keeping parallelism each other, the belt steel wires of some third layer belts mutually it
Between keeping parallelism, the belt steel wire of some quadriply belt beams layer keeping parallelism each other.
Further, the belt steel wire of the belt steel wire of the first layer belt and the second layer belt is protected
Hold 30 degree to 60 degree of angle, the belt steel wire of the belt steel wire of the second layer belt and the third layer belt
The angle of 30 degree to 60 degree of holding, the belt steel of the belt steel wire of the third layer belt and quadriply belt beam layer
Silk keeps 30 degree to 60 degree of angle.
Compared with prior art, implementation result of the present utility model is as follows for the utility model：
The utility model solves lateral contraction distortion of the all-steel load-bearing radial tire in traveling is rolled and excessive asked
Topic, so as to reach the rolling resistance of reduction tire, improves the purpose of tire wear, while overcoming during tire runs at high speed
Shoulder is empty, delamination problems, improve vehicle safety and the service life of tire；It is particularly to use the quadriply belt
The center line of beam layer and the tyre surface keeps 0 degree of angle, the first layer belt, second layer belt and third layer band beam
Layer keeps 60 degree to 90 degree of angle to solve the above problems with the center line of the tyre surface, and the utility model is using described
The center line of first layer belt and the tyre surface keeps 0 degree of angle, the second layer belt, third layer belt and the 4th
Layer belt is with structure as the angle of 60 degree to 90 degree of the center line holding of the tyre surface, and the rolling that can reduce tire hinders
Power, and the abrasion of tire tread are improved, reach energy-conserving and environment-protective and improve the effect of tyre life.Tire is solved simultaneously at a high speed
The problems such as tire shoulder during traveling comes to nothing, improves tire high speed performance, it is ensured that tire running security and the service life of tire.
Brief description of the drawings
Fig. 1 is the structural representation of the radial of the utility model quadriply belt beam layer.
Fig. 2 is the installation diagram of the utility model shell.
Fig. 3 is the schematic diagram of the utility model connecting piece.
Fig. 4 is the top view of the utility model connecting piece.
Fig. 5 is the side view of the utility model connecting piece.
Embodiment
Illustrate content of the present utility model below in conjunction with specific embodiments.
As Figure 1-Figure 5, the radial of described a kind of quadriply belt beam layer, the rotating radial of quadriply belt beam layer
Tire, including tyre surface 1, carcass 2 and quadriply belt beam layer, the quadriply belt beam layer is arranged between the tyre surface 1 and carcass 2, described
Quadriply belt beam layer is respectively first layer belt 3, second layer belt 4, third layer belt 5 and quadriply belt beam layer 6 under
And on overlap successively, the first layer belt 3, second layer belt 4, third layer belt 5 and quadriply belt beam
Layer 6 is overlaped successively from top to bottom, and the first layer belt 3 is covered on second layer belt 4, and described first
The center line of layer belt 3 and the tyre surface 1 keeps 0 degree of angle, the second layer belt 4, third layer belt 5 and the 4th
Layer belt 6 keeps 60 degree to 90 degree of angle with the center line of the tyre surface 1.
Wrapped respectively in the first layer belt 3, second layer belt 4, third layer belt 5 and quadriply belt beam layer 6
Include belt steel wire, the belt steel wire of some second layer belts, some third layer the band beam of some first layer belts
The belt steel wire of the belt steel wire of layer and some quadriply belt beams layer.
The belt steel wire of some first layer belts keeping parallelism, some second layer belts each other
Belt steel wire keeping parallelism each other, the belt steel wire of some third layer belts keeps flat each other
OK, the belt steel wire of some quadriply belt beams layer keeping parallelism each other.
The belt steel wire of the belt steel wire of the first layer belt and the second layer belt is kept for 30 degree and arrived
60 degree of angle, the belt steel wire of the belt steel wire of the second layer belt and the third layer belt is kept for 30 degree
To 60 degree of angle, the belt steel wire of the belt steel wire of the third layer belt and quadriply belt beam layer keeps 30
Spend the angle to 60 degree.
Compared with prior art, implementation result of the present utility model is as follows for the utility model：
The utility model solves lateral contraction distortion of the all-steel load-bearing radial tire in traveling is rolled and excessive asked
Topic, so as to reach the rolling resistance of reduction tire, improves the purpose of tire wear, while overcoming during tire runs at high speed
Shoulder is empty, delamination problems, improve vehicle safety and the service life of tire；It is particularly to use the first layer
The center line of belt 3 and the tyre surface 1 keeps 0 degree of angle, the second layer belt 4, third layer belt 5 and the 4th layer
Belt 6 keeps 60 degree to 90 degree of angle to solve the above problems with the center line of the tyre surface 1, and the utility model is used
The center line of the first layer belt 3 and the tyre surface 1 keeps 0 degree of angle, the second layer belt 4, third layer band beam
Layer 5 and quadriply belt beam layer 6 60 degree to 90 degree of angle is kept with the center line of the tyre surface 1 as structure, can reduce
The rolling resistance of tire, and the abrasion of tire tread are improved, reach energy-conserving and environment-protective and improve the effect of tyre life.Solve simultaneously
The problems such as certainly tire shoulder of the tire when running at high speed comes to nothing, improves tire high speed performance, it is ensured that tire running security and tire
Service life.
The belt steel wire of the other first layer belt keeps 30 with the belt steel wire of the second layer belt
The angle to 60 degree is spent, the belt steel wire of the belt steel wire of the second layer belt and the third layer belt is kept
30 degree to 60 degree of angle, the belt steel wire of the belt steel wire of the third layer belt and quadriply belt beam layer is protected
30 degree to 60 degree of angle is held, the lateral rigidity of tire access area is substantially increased, overcomes low-angle belt lateral rigidity
Not enough shortcoming, reduces the Shear heating in the lateral sliding and contraction distortion between tire and ground, so as to reduce rolling resistance
Power and oil consumption, improve the anti-wear performance of tyre surface, reach energy-conserving and environment-protective and improve the purpose of tyre life.
Main stress for bogie is to concentrate on radial load, it is necessary to undertake larger load and driving force, it is in week
It is larger, it is necessary to improve circumferential compression stiffness to deforming, the problem of to undertake driving force that its is larger, quadriply belt of the present utility model
The banding coefficient of the whole tire of beam layer increase, overcomes the banding system of triple layer with beam layer 0 degree of belt structure tyre shoulders of+two shoulders
Number, tyre contact pressure pockety shortcoming big compared with bizet, crown position is integrally firmly fettered, makes tyre contact pressure
It is more evenly distributed, improves the banding coefficient of belt, improve the capability of antidetonance of tire, reduce the transversely deforming of tire, change
It has been apt to the problems such as tire shoulder of the tire when running at high speed comes to nothing, has improved tire high speed performance, it is ensured that tire running security.
Tire is influenceed in addition, and the radial service life of the particularly quadriply belt beam layer there are a variety of situations, wherein having
A kind of is the limited load bearing capacities because tire, when automobile overload, can accelerate the abrasion of tire, and have security
Hidden danger, so before actual use, staff needs to detect the pressure capability of tire, with the peace of this determination tire
Whether full property is up to standard.
To achieve these goals, a kind of detection loading of tire device, including detection means, tyre surface, institute are proposed at present
State detection means to be arranged on inside tyre surface, the detection means is passed by printed circuit board, the pressure of welding on a printed circuit board
Sensor, single-chip microcomputer, holder, wireless information transfer unit and battery；The output end of the pressure sensor and single-chip microcomputer
Input is connected, and the output end of the single-chip microcomputer is connected with the input of wireless information transfer unit, the output end of transmission unit
It is connected with the input of display terminal.This detection loading of tire device is also applied for the quadriply belt beam layer of the present utility model
Radial.
But only input display terminal is unable to reach in reliability and is input to reliability as server, and to
Server is introduced, additionally includes and contains server in shell, the shell, the shell is placed in the perforate in supporting table,
The shell is often curved body, and the internal face of the perforate in supporting table is often curved surface, and so described shell is placed in support
The mode in perforate on platform is exactly to come shell and the internal face of the perforate in supporting table mutually to stablize connection via leading screw or rivet
Knot, the gap of stable connecting structure is not small, and the effect being so coupled is just little, it occur frequently that rocking, especially in outside shake
In the case of just usually with the internal face synchronization jitter of the perforate in supporting table, injure coupled position so that maintenance cost increase.
The radial of the quadriply belt beam layer is also configured with detection means, and the detection means is arranged in tyre surface
Portion, the detection means is by printed circuit board, welding pressure sensor on a printed circuit board, single-chip microcomputer, holder, wireless
Information transmission unit and battery；The output end of the pressure sensor and the input of single-chip microcomputer are connected, the single-chip microcomputer
Output end is connected with the input of wireless information transfer unit, and the output end of transmission unit and the input of display terminal are connected,
The single-chip microcomputer is also connected with a wireless communication module by serial ports, the wireless communication module can access wireless network and with service
Device constitutes wireless data connection so that real-time pressure actual value is transmitted to server, and the server is arranged on rectangular-shape shell
In body.The wireless communication module can be GPRS module.The wireless network can be GPRS network.
The pressure sensor is that analog-digital converter is connected with single-chip microcomputer by AD converter.
Additionally include and contain server in shell, the shell, the shell is placed in the perforate in supporting table, described
It is exactly to come via interlocking part K3 in the perforate on shell K1 and supporting table that shell, which is placed in the mode in the perforate in supporting table,
Wall K2 is linked, and the interlocking part K3 includes the rectangular-shape built-in brick K4 of the internal face for the perforate being used in supporting table with using
In the rectangular-shape built-in brick K5 of shell, the rectangular-shape built-in brick K4 mono- of the internal face of the perforate in supporting table
Both sides first positioning on the rectangular-shape built-in brick K5 both sides for shell is each fixed on via the first spacer K6
In mouth K7, it is each provided with the rectangular-shape built-in brick K4 of the internal face of the perforate in supporting table top, bottom both sides
Rubber or rectangular-shape the link block K8, the rectangular-shape link block K8 of glass bronze material a side wall are used to support with described
The rectangular-shape built-in brick K4 of the internal face of perforate on platform is linked, and other three side wall of the rectangular-shape link block K8 is same
The rectangular-shape built-in brick K4 of the internal face of the perforate in supporting table is separated, in the rectangular-shape link block K8
Provided with Wedge-shaped projection K9 and barrier flaps K10, the rectangular-shape connection between the Wedge-shaped projection K9 and barrier flaps K10
The K8 that lumps is provided with the interlocking mouthful K11 of the internal face for the perforate being used in supporting table, in the perforate in supporting table
Provided with the accommodating chamber K12 being combined with the rectangular-shape link block K8 in the rectangular-shape built-in brick K4 of internal face, in described
The interlocking mouthful K13 for shell is each provided with top, bottom both sides for the rectangular-shape built-in brick K5 of shell, is used in described
The second spacer K14 is each provided with the rectangular-shape built-in brick K5 of shell other both sides, on the second spacer K14
Provided with the second positioning port K15, it is provided with the internal face K2 of the perforate in the supporting table with described for opening in supporting table
The built-in brick K16 of the internal face for the perforate being used in supporting table that the interlocking mouth K11 of the internal face in hole is halved together, in the shell
K1 wall is provided with the built-in brick K17 for shell being halved together with the interlocking mouth K13 for shell.
It is used for the length of shell with described in the rectangular-shape built-in brick K4 of the internal face of the perforate in supporting table
Cube shape built-in brick K5 phases connect firmly one are provided with the 3rd spacer K18, the use in the 3rd spacer K18 both sides
The guide plate K19 being combined with it is provided with the rectangular-shape built-in brick K5 of shell, in the afterbody of the 3rd spacer K18
Both sides are each provided with ladder-shaper structure K20.
In the utility model, to allow with reference to more stable, the shell K1 in the interlocking mouth K13 both sides for shell
Provided with arcuation projection K21.
The shell is curved body or cuboid, and the internal face of the perforate in supporting table is curved surface or the supporting table
On perforate be rectangular-shape.
When the internal face K2 of perforate on the shell K1 and supporting table is assembled, in the perforate in supporting table
The built-in brick K16 of wall rabbets into the interlocking mouthful K11 of the internal face of the perforate in supporting table, during interlocking, institute
The built-in brick K16 for stating the internal face of the perforate in supporting table is first affixed with the Wedge-shaped projection K9, so described
Wedge-shaped projection K9 will be allowed the rectangular-shape link block K8 and barrier flaps K10 towards motion in accommodating chamber K12 by effect,
The internal face of the perforate in supporting table is arrived in the built-in brick K16 of the internal face of the perforate in supporting table
Interlocking mouthful K11 in when, the rectangular-shape link block K8 is just also originally the inwall of the perforate in supporting table
The built-in brick K16 in face is embedded between the Wedge-shaped projection K9 and barrier flaps K10, and the second spacer K14 via described
On the internal face K2 of the stable perforates in the supporting table of second positioning port K15, in addition the built-in brick for shell
K17 is put in the interlocking for the shell mouthful K13, the arcuation projection on the interlocking mouth K13 both sides for shell
K21 is to apply pressurization towards the built-in brick K17 for shell, it is ensured that the stabilization of connection, and the 3rd spacer K18
It is affixed with the shell K1, can more improves positioning effectiveness；
The framework that shell K1 of the present utility model and the internal face K2 of the perforate in supporting table are linked, with for supporting
The rectangular-shape built-in brick K4 of the internal face of perforate on platform joins with the rectangular-shape built-in brick K5 systematics framework for shell
Shell K1 and the internal face K2 of the perforate in supporting table are tied, existing leading screw is changed or rivet comes on shell and supporting table
The connection framework of the internal face of perforate, it is coupled, and laminating is more firm, and interlocking effect is not small, it is difficult to rock, even if there is outside shake
Situation can also weaken the synchronization jitter of the internal face of the perforate in same supporting table, and maintenance frequency just diminishes.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (4)
1. a kind of radial of quadriply belt beam layer, including tyre surface, carcass and quadriply belt beam layer, the quadriply belt beam layer are set
Between the tyre surface and carcass, the quadriply belt beam layer is respectively first layer belt, second layer belt, third layer band beam
Layer and quadriply belt beam layer, the first layer belt, second layer belt, third layer belt and quadriply belt beam layer are under
And on overlap successively, quadriply belt beam layer is covered on second layer belt, the quadriply belt beam layer with
The center line of the tyre surface keeps 0 degree angle, and the second layer belt, third layer belt and quadriply belt beam layer are and institute
The center line for stating tyre surface keeps 60 degree to 90 degree of angle.
2. a kind of radial of quadriply belt beam layer according to claim 1, it is characterized in that, the first layer band beam
Include the band beam of some first layer belts in layer, second layer belt, third layer belt and quadriply belt beam layer respectively
Layer steel wire, the belt steel wire of some second layer belts, the belt steel wire of some third layer belts and some 4th layer
The belt steel wire of belt.
3. a kind of radial of quadriply belt beam layer according to claim 1, it is characterized in that, some first layer bands
The belt steel wire keeping parallelism each other of beam layer, the belt steel wire of some second layer belts is kept each other
It is parallel, the belt steel wires of some third layer belts keeping parallelism each other, some quadriply belt beams layers
Belt steel wire keeping parallelism each other.
4. a kind of radial of quadriply belt beam layer according to claim 1, it is characterized in that, the first layer belt
The belt steel wire of belt steel wire and the second layer belt keep 30 degree to 60 degree of angle, the second layer is with beam
The belt steel wire of layer keeps 30 degree to 60 degree of angle, the third layer band with the belt steel wire of the third layer belt
The belt steel wire of the belt steel wire of beam layer and quadriply belt beam layer keeps 30 degree to 60 degree of angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720254284.6U CN206568818U (en) | 2017-03-16 | 2017-03-16 | A kind of radial of quadriply belt beam layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720254284.6U CN206568818U (en) | 2017-03-16 | 2017-03-16 | A kind of radial of quadriply belt beam layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206568818U true CN206568818U (en) | 2017-10-20 |
Family
ID=60054084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720254284.6U Expired - Fee Related CN206568818U (en) | 2017-03-16 | 2017-03-16 | A kind of radial of quadriply belt beam layer |
Country Status (1)
| Country | Link |
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| CN (1) | CN206568818U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106739829A (en) * | 2017-03-16 | 2017-05-31 | 青岛科技大学 | A kind of radial of quadriply belt beam layer |
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2017
- 2017-03-16 CN CN201720254284.6U patent/CN206568818U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106739829A (en) * | 2017-03-16 | 2017-05-31 | 青岛科技大学 | A kind of radial of quadriply belt beam layer |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20171020 Termination date: 20200316 |