CN108482016A - A kind of good solid tyre of wet type on-slip and its moulding process - Google Patents
A kind of good solid tyre of wet type on-slip and its moulding process Download PDFInfo
- Publication number
- CN108482016A CN108482016A CN201810311349.5A CN201810311349A CN108482016A CN 108482016 A CN108482016 A CN 108482016A CN 201810311349 A CN201810311349 A CN 201810311349A CN 108482016 A CN108482016 A CN 108482016A
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- China
- Prior art keywords
- weight
- parts
- buffer layer
- epidermis
- slip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000007787 solid Substances 0.000 title claims abstract description 34
- 238000000465 moulding Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 12
- 210000002615 epidermis Anatomy 0.000 claims abstract description 46
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims abstract description 23
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims abstract description 23
- 229920001971 elastomer Polymers 0.000 claims abstract description 22
- 239000000806 elastomer Substances 0.000 claims abstract description 18
- 229920001084 poly(chloroprene) Polymers 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 14
- 238000005187 foaming Methods 0.000 claims abstract description 11
- 239000005662 Paraffin oil Substances 0.000 claims abstract description 10
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 10
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 10
- 238000001746 injection moulding Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000012778 molding material Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 4
- 239000012752 auxiliary agent Substances 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003225 polyurethane elastomer Polymers 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 poly- ammonia Ester Chemical class 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
- B60C1/0016—Compositions of the tread
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
- B60C2001/0075—Compositions of belt cushioning layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
- B60C2001/0091—Compositions of non-inflatable or solid tyres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Tires In General (AREA)
- Tyre Moulding (AREA)
Abstract
The present invention discloses a kind of good solid tyre of wet type on-slip and its moulding process, the good solid tyre of wet type on-slip, epidermis, buffer layer and interior articulamentum including being in circular ring shape, the epidermis and interior articulamentum, which are respectively coated by, is connected to buffer layer outer rim side and inner ring side, there are outer annular gap is exposed to for buffer layer between the epidermis and interior articulamentum, the buffer layer is formed by ETPU particles through vapor foaming；The epidermis and interior articulamentum are made of following component：Thermoplastic polyurethane elastomer：55 75 parts by weight；Neoprene：15 30 parts by weight；Petropols：4 12 parts by weight；Paraffin oil：3 10 parts by weight；Antioxidant：12 parts by weight.The present invention allows between epidermis and buffer layer and can preferably be merged, and also has the characteristics that wet type anti-slip effect is good.
Description
Technical field
The present invention relates to solid tyre fields, and in particular to be a kind of good solid tyre of wet type on-slip and its molding work
Skill.
Background technology
According to Baidupedia, tire refers to the circular ring shape elasticity rubber rolled in various vehicles or the ground connection mechanically assembled
Glue product, it is typically mounted on holder, can support vehicle body, buffering foreign impacts etc..Bicycle, perambulator and toy car etc.
For light non-motor vehicle, own wt is small, and the load that tire is born is small, therefore tire used belongs to a kind of low load wheel
Tire.For above-mentioned low load tire, the elasticity and portability of tire itself are to the handling particularly important of vehicle.Used in the market
Low load tire includes mainly pneumatic tire and non-inflatable tyre.Subject to damage during pneumatic tire use, for small size
Low load tire, replace more difficult, therefore pneumatic tire is rarely applied on baby carriage tires and toy tyre.Exempt from inflated wheel
Tire can to avoid pneumatic tire there are the problem of, can be widely applied to the fields such as perambulator, toy.Non-inflatable tyre includes not foaming
Solid tyre, foaming solid tyre and foaming body filled-type tire etc..
Rubber is usually used as epidermis, to play wear-resisting and on-slip effect, still in traditional solid tyre
Since blending is poor each other between rubber and TPU expanded particles so that be often easy to happen positioned at internal layer TPU foaming bodies and
The situation being disengaged from each other positioned at the rubber of epidermis, so that solid tyre encounters difficulty during practical industrialization
Topic.
Based on the above considerations, the present inventor had once applied for a kind of thermoplastic polyurethane low load tire comprising uses
It is hard higher than inner layer in the hardness of the epidermis directly contacted with ground and the inner layer inside epidermis, the epidermis
Degree, the epidermis and inner layer are foaming-formed using TPU expanded particles.But whether how to be carried out using TPU expanded particles
Molding, is promoted relatively limited on wear-resisting and non-skid property, is based on this, the applicant's hammer away regarding to the issue above,
Then there is this case generation.
Invention content
The main purpose of the present invention is to provide a kind of good solid tyre of wet type on-slip and its moulding process, epidermis is allowed
It can be preferably merged between buffer layer, and also have the characteristics that wet type anti-slip effect is good.
In order to achieve the above objectives, solution of the invention is：
A kind of good solid tyre of wet type on-slip, wherein epidermis, buffer layer and interior articulamentum including being in circular ring shape,
The epidermis and interior articulamentum, which are respectively coated by, is connected to buffer layer outer rim side and inner ring side, the epidermis and interior articulamentum it
Between there are outer annular gap is exposed to for buffer layer, the buffer layer is formed by ETPU particles through vapor foaming；
The epidermis and interior articulamentum are made of following component：
Thermoplastic polyurethane elastomer：55-75 parts by weight；
Neoprene：15-30 parts by weight；
Petropols：4-12 parts by weight；
Paraffin oil：3-10 parts by weight；
Antioxidant：1-2 parts by weight.
Further, several screw connecting holes are also formed on the interior articulamentum, in each screw connecting hole penetrates through
The upper and lower surface of articulamentum.
Another object of the present invention is to provide a kind of moulding process of the good solid tyre of wet type on-slip, wherein including such as
Lower step：
1. in the way of vapor hot briquetting, ETPU particle foamings are obtained into the buffer layer of annular；
2. the buffer layer of forming is placed into injection mold, it is provided in injection mold for blocking in the middle part of buffer layer
The annular shutter of two of region；
3. uniform injection molding material will be blended, and injection molding obtains epidermis and interior articulamentum respectively at twice, to obtain into
Product solid tyre；The injection molding material by the thermoplastic polyurethane elastomer of 55-75 parts by weight, 15-30 parts by weight neoprene,
The Petropols of 4-12 parts by weight, the paraffin oil of 3-10 parts by weight and 1-2 parts by weight antioxidant composition.
Further, the moulding process of the solid tyre further include step 4.：In the interior articulamentum inner ring of forming also
Processing is formed with screw connecting hole, and each screw connecting hole penetrates through the upper and lower surface of interior articulamentum.
With the above structure, the present invention relates to a kind of good solid tyre of wet type on-slip and its moulding process, with existing skill
Art is compared, and is at least had the advantages that：
One, using thermoplastic polyurethane elastomer and neoprene as main material, wherein neoprene has the present invention
Resistance to pulling force, wear-resisting and elastic good feature allow epidermis to have preferable in conjunction with the characteristic of upper thermoplastic polyurethane elastomer
Comprehensive performance；Thermoplastic polyurethane elastomer and neoprene after being fully blended injection molding in the outside of buffer layer and
Inside is respectively formed epidermis and interior articulamentum, since both thermoplastic polyurethane elastomer and ETPU particles belong to poly- ammonia
Ester material belongs to identical material classification, has preferable blending, can make epidermis and interior articulamentum and buffer layer it
Between can be connected to for an entirety, improve the quality of entire solid tyre.
Two, the solid tyre that the present invention is formed, epidermis is hard compared to buffer layer, and the buffer layer is compared to table
Cortex is soft, and the prior art is essentially all that epidermis is soft, and the inside is hard, and practical damping effect is poor；In addition, this
By allowing, there are annular gaps between epidermis and interior articulamentum for invention so that the active force that the inside articulamentum of epidermis transmits is complete
Portion will pass through buffer layer, it is ensured that all active forces can all obtain the cushioning effect of buffer layer.
Three, the auxiliary agent used in the present invention is for promoting tire actual performance, and wherein Petropols and paraffin oil are to use
In allowing two kinds of main materials of neoprene and thermoplastic polyurethane elastomer that there is preferable blended, to allow neoprene and heat
Plastic polyurethane elastomer can merge more uniform, and the antioxidant is then used to prevent entire solid tyre from hardening, and is promoted
Life of product.
Description of the drawings
Fig. 1 is that the present invention relates to a kind of structural schematic diagrams of the good solid tyre of wet type on-slip.
Fig. 2 is that the present invention relates to a kind of sectional views of the good solid tyre of wet type on-slip.
Fig. 3 is the schematic diagram that ETPU particles are shaped to buffer layer by the present invention by vapor.
Fig. 4 is the schematic diagram when present invention is sheltered from buffer layer by annular shutter.
Fig. 5 is that the present invention is molded the schematic diagram for sequentially forming out epidermis and interior articulamentum at twice.
In figure：
Epidermis -1；Buffer layer -2；ETPU particles -21；
Interior articulamentum -3；Screw connecting hole -31；Annular gap -4；
Annular shutter -5.
Specific implementation mode
In order to further explain the technical solution of the present invention, being explained in detail the present invention below by specific embodiment
It states.
As depicted in figs. 1 and 2, it is a kind of good solid tyre of wet type on-slip of the present invention, including is in circular ring shape
Epidermis 1, buffer layer 2 and interior articulamentum 3, the epidermis 1 and interior articulamentum 3, which are respectively coated by, is connected to the outer of buffer layer 2
Ring side and inner ring side, it is described there are the annular gap 4 outside being exposed to for buffer layer 2 between the epidermis 1 and interior articulamentum 3
Buffer layer 2 is formed by ETPU particles 21 through vapor foaming.It please refers to shown in Fig. 1 and Fig. 2, Fig. 1 is the knot of entire tire
Structure schematic diagram, Fig. 2 are sectional view, are so clear that the epidermis 1 and interior articulamentum 3 are respectively coated by buffer layer 2
Outer rim side and inner ring side, the presence of the annular gap 4 allow buffer layer 2 that can from the outside be seen by people.
In the present invention, the epidermis 1 and interior articulamentum 3 are made of following component：
Thermoplastic polyurethane elastomer：55-75 parts by weight；
Neoprene：15-30 parts by weight；
Petropols：4-12 parts by weight；
Paraffin oil：3-10 parts by weight；
Antioxidant：1-2 parts by weight.
The thermoplastic polyurethane elastomer and the main material that neoprene is epidermis 1 and interior articulamentum 3, the oil
Resin, paraffin oil and antioxidant are addition auxiliary agent.
In order to which entire solid tyre can be easily assembled on vehicle frame, it is also formed on the interior articulamentum 3 several
A screw connecting hole 31, each screw connecting hole 31 penetrate through the upper and lower surface of interior articulamentum 3.
As shown in Figures 3 to 5, of the invention that a kind of moulding process of the good solid tyre of wet type on-slip is also provided, including such as
Lower step：
1. in the way of vapor hot briquetting, 21 foaming of ETPU particles is obtained into the buffer layer 2 of annular；
2. the buffer layer 2 of forming is placed into injection mold, it is provided in injection mold for blocking in buffer layer 2
Two annular shutters 5 in portion region；
3. uniform injection molding material will be blended, and injection molding obtains epidermis 1 and interior articulamentum 3 respectively at twice, to obtain
Finished solid tire；The injection molding material is by the thermoplastic polyurethane elastomer of 55-75 parts by weight, the neoprene rubber of 15-30 parts by weight
Glue, the Petropols of 4-12 parts by weight, the paraffin oil of 3-10 parts by weight and 1-2 parts by weight antioxidant composition.
As shown in figure 3, as a preferred embodiment, the moulding process of the solid tyre further include step 4.：At
Also processing is formed with screw connecting hole 31 in good 3 inner ring of interior articulamentum of type, and each screw connecting hole 31 penetrates through interior articulamentum 3
Upper and lower surface.
To sum up, compared with prior art, it at least has the advantages that：
One, using thermoplastic polyurethane elastomer and neoprene as main material, wherein neoprene has the present invention
Resistance to pulling force, wear-resisting and elastic good feature allow epidermis 1 to have preferable in conjunction with the characteristic of upper thermoplastic polyurethane elastomer
Comprehensive performance；Injection molding is in the outer of buffer layer 2 after thermoplastic polyurethane elastomer and neoprene pass through fully blending
Side and inside are respectively formed epidermis 1 and interior articulamentum 3, both due to thermoplastic polyurethane elastomer and ETPU particles 21
Belong to polyurethane material, belong to identical material classification, there is preferable blending, can make epidermis 1 and interior articulamentum 3
It can be connected to for an entirety, improve the quality of entire solid tyre between buffer layer 2.
Two, the solid tyre that the present invention is formed, epidermis 1 is hard compared to buffer layer 2, and the buffer layer 2 is compared
It is soft in epidermis 1, the prior art is essentially all that epidermis 1 is soft, and the inside is hard, and practical damping effect is poor；
In addition, there are annular gaps 4 between epidermis 1 and interior articulamentum 3 by allowing by the present invention so that 1 inside articulamentum 3 of epidermis passes
The active force passed will all pass through buffer layer 2, it is ensured that all active forces can all obtain the cushioning effect of buffer layer 2.
Three, the auxiliary agent used in the present invention is for promoting tire actual performance, and wherein Petropols and paraffin oil are to use
In allowing two kinds of main materials of neoprene and thermoplastic polyurethane elastomer that there is preferable blended, to allow neoprene and heat
Plastic polyurethane elastomer can merge more uniform, and the antioxidant is then used to prevent entire solid tyre from hardening, and is promoted
Life of product.
The product form and style of above-described embodiment and schema and the non-limiting present invention, any technical field it is common
The appropriate changes or modifications that technical staff does it all should be regarded as the patent category for not departing from the present invention.
Claims (4)
1. a kind of good solid tyre of wet type on-slip, which is characterized in that epidermis, buffer layer and interior connection including being in circular ring shape
Layer, the epidermis and interior articulamentum are respectively coated by and are connected to buffer layer outer rim side and inner ring side, the epidermis and interior connection
There are being exposed to outer annular gap for buffer layer between layer, the buffer layer by ETPU particles through vapor foaming and
At；
The epidermis and interior articulamentum are made of following component：
Thermoplastic polyurethane elastomer：55-75 parts by weight；
Neoprene：15-30 parts by weight；
Petropols：4-12 parts by weight；
Paraffin oil：3-10 parts by weight；
Antioxidant：1-2 parts by weight.
2. a kind of good solid tyre of wet type on-slip as described in claim 1, which is characterized in that also formed on the interior articulamentum
There are several screw connecting holes, each screw connecting hole to penetrate through the upper and lower surface of interior articulamentum.
3. a kind of moulding process of the good solid tyre of wet type on-slip, which is characterized in that include the following steps：
1. in the way of vapor hot briquetting, ETPU particle foamings are obtained into the buffer layer of annular；
2. the buffer layer of forming is placed into injection mold, it is provided in injection mold for blocking buffer layer central region
Two annular shutters；
3. uniform injection molding material will be blended, and injection molding obtains epidermis and interior articulamentum respectively at twice, to obtain finished product reality
Heart tire；The injection molding material is by the thermoplastic polyurethane elastomer of 55-75 parts by weight, the neoprene of 15-30 parts by weight, 4-12
The Petropols of parts by weight, the paraffin oil of 3-10 parts by weight and 1-2 parts by weight antioxidant composition.
4. a kind of moulding process of the good solid tyre of wet type on-slip as claimed in claim 3, which is characterized in that the solid wheel
The moulding process of tire further include step 4.：Also processing is formed with screw connecting hole in the interior articulamentum inner ring of forming, each
Screw connecting hole penetrates through the upper and lower surface of interior articulamentum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810311349.5A CN108482016A (en) | 2018-04-09 | 2018-04-09 | A kind of good solid tyre of wet type on-slip and its moulding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810311349.5A CN108482016A (en) | 2018-04-09 | 2018-04-09 | A kind of good solid tyre of wet type on-slip and its moulding process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108482016A true CN108482016A (en) | 2018-09-04 |
Family
ID=63314943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810311349.5A Pending CN108482016A (en) | 2018-04-09 | 2018-04-09 | A kind of good solid tyre of wet type on-slip and its moulding process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108482016A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120247634A1 (en) * | 2011-03-01 | 2012-10-04 | Gordon Liao | Stuffed Tire For Lightweight Vehicles |
| CN102741336A (en) * | 2009-12-01 | 2012-10-17 | 株式会社普利司通 | Modified rubber compositions and methods of preparation |
| CN103270100A (en) * | 2010-12-23 | 2013-08-28 | 米其林企业总公司 | Tires with treads comprising thermoplastic polyurethane block copolymers |
| CN103649151A (en) * | 2011-07-05 | 2014-03-19 | 巴斯夫欧洲公司 | Filled elastomer comprising polyurethane |
| CN204296370U (en) * | 2014-10-29 | 2015-04-29 | 台州市奇宇橡胶有限公司 | A kind of band tyre |
| CN105034697A (en) * | 2015-08-11 | 2015-11-11 | 大连华工创新科技股份有限公司 | E-TPU (expanded thermoplastic polyurethane) tire and manufacturing method thereof |
| JP2016003265A (en) * | 2014-06-16 | 2016-01-12 | 横浜ゴム株式会社 | Thermoplastic elastomer composition for non-pneumatic tire and non-pneumatic tire |
| CN206690803U (en) * | 2017-05-05 | 2017-12-01 | 张庆华 | A kind of middle slow-moving vehicle multilayer solid tyre |
| WO2017213500A1 (en) * | 2016-06-07 | 2017-12-14 | Hsv Moulded Foams Group N.V. | Wheel |
| CN107778521A (en) * | 2017-09-12 | 2018-03-09 | 晋江创赢新材料科技有限公司 | A kind of high-temperature resistant expanded bead tire, preparation method and expanded bead preparation method |
-
2018
- 2018-04-09 CN CN201810311349.5A patent/CN108482016A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102741336A (en) * | 2009-12-01 | 2012-10-17 | 株式会社普利司通 | Modified rubber compositions and methods of preparation |
| CN103270100A (en) * | 2010-12-23 | 2013-08-28 | 米其林企业总公司 | Tires with treads comprising thermoplastic polyurethane block copolymers |
| US20120247634A1 (en) * | 2011-03-01 | 2012-10-04 | Gordon Liao | Stuffed Tire For Lightweight Vehicles |
| CN103649151A (en) * | 2011-07-05 | 2014-03-19 | 巴斯夫欧洲公司 | Filled elastomer comprising polyurethane |
| JP2016003265A (en) * | 2014-06-16 | 2016-01-12 | 横浜ゴム株式会社 | Thermoplastic elastomer composition for non-pneumatic tire and non-pneumatic tire |
| CN204296370U (en) * | 2014-10-29 | 2015-04-29 | 台州市奇宇橡胶有限公司 | A kind of band tyre |
| CN105034697A (en) * | 2015-08-11 | 2015-11-11 | 大连华工创新科技股份有限公司 | E-TPU (expanded thermoplastic polyurethane) tire and manufacturing method thereof |
| WO2017213500A1 (en) * | 2016-06-07 | 2017-12-14 | Hsv Moulded Foams Group N.V. | Wheel |
| CN206690803U (en) * | 2017-05-05 | 2017-12-01 | 张庆华 | A kind of middle slow-moving vehicle multilayer solid tyre |
| CN107778521A (en) * | 2017-09-12 | 2018-03-09 | 晋江创赢新材料科技有限公司 | A kind of high-temperature resistant expanded bead tire, preparation method and expanded bead preparation method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180904 |
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| RJ01 | Rejection of invention patent application after publication |