CN106592379A - Unfired water permeable brick provided with epitaxial layer and preparation methods of unfired water permeable brick - Google Patents
Unfired water permeable brick provided with epitaxial layer and preparation methods of unfired water permeable brick Download PDFInfo
- Publication number
- CN106592379A CN106592379A CN201710002643.3A CN201710002643A CN106592379A CN 106592379 A CN106592379 A CN 106592379A CN 201710002643 A CN201710002643 A CN 201710002643A CN 106592379 A CN106592379 A CN 106592379A
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- Prior art keywords
- layer
- permeable brick
- extension
- baking
- free water
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/06—Pavings made of prefabricated single units made of units with cement or like binders
- E01C5/065—Pavings made of prefabricated single units made of units with cement or like binders characterised by their structure or component materials, e.g. concrete layers of different structure, special additives
Abstract
The invention provides an unfired water permeable brick provided with an epitaxial layer and preparation methods of the unfired water permeable brick. The unfired water permeable brick sequentially comprises a base layer and a surface layer from bottom to top. The epitaxial protection layer is arranged on the periphery of the side of a brick body. By the adoption of the unfired water permeable brick provided with the epitaxial layer, the epitaxial protection layer is arranged on the periphery of the outer side of the brick body, the brick body is protected, and the situation that the corners of the brick body are broken or the layer is stripped due to collisions in the carrying or laying process of the brick body is avoided. In addition, the invention provides the two preparation methods of the unfired water permeable brick provided with the epitaxial layer. The two methods have respective beneficial effects and both have operability.
Description
Technical field
The present invention relates to water-permeable brick technical field, more particularly to a kind of baking-free water-permeable brick that epitaxial layer is set and its preparation side
Method.
Background technology
Generally required in city in municipal works such as the bottom surfaces of footpath, cell road surface, shopping mall and building periphery at present
Middle laying pavior brick, conventional pavior brick have marble, ceramic tile, glazed tile, cement brick etc..But due to the road surface of mentioned kind
Brick permeability rate is too low, large-area use, makes rainwater be difficult to infiltrate into underground, destroys underground microenvironment, often result in underground
The problems such as water level decreasing, land subsidence, vegetation survive difficulty, and in sleety weather, the easy hydrops in ground affect current.So
Develop water-permeable brick again in recent years, its application increases year by year.
In actual carrying or paving, its side Jing's existing water-permeable brick often collides with, and easily occurs collapsing foot or de- after colliding with
Layer defects, cause water-permeable brick unusable, cause substantial amounts of waste, and not environmentally.
The content of the invention
It is an object of the invention to propose a kind of baking-free water-permeable brick for arranging epitaxial layer, arrange outside one week in the extension of brick body
Prolong protective layer, brick body is protected, it is to avoid which is being carried or paving collapses foot or delamination because of collision.
Another object of the present invention also proposed the preparation method of the baking-free water-permeable brick of two kinds of above-mentioned setting epitaxial layers, two kinds
Method is each advantageous, is respectively provided with operability.
It is that, up to this purpose, the present invention is employed the following technical solutions：
A kind of baking-free water-permeable brick for arranging epitaxial layer, includes basic unit and surface layer, the side of brick body from top to bottom successively
Bian Yizhou is provided with extension protective layer.
Further description, the extension protective layer are mixed with acquisition by aggregate, Nutrition Soil and fiber clavas.
Further description, the component of the extension protective layer by mass percentage, including 30-40% aggregates, 20-
30% Nutrition Soil and 30-50% fiber clavas.
Further description, the extension protective layer are to mix tabletted by aggregate, Nutrition Soil and fiber clavas
What back wall group was formed.
Further description, the component of the extension protective layer by mass percentage, including 5-10 cement, 20-30%
Aggregate, 20-30% Nutrition Soils and 30-50% fiber clavas.
Further description, the extension protective layer are provided with natural fiber silk, the day towards the one side of brick body
So cellosilk is embedded in brick body.
Further description, a kind of preparation method of the baking-free water-permeable brick of above-mentioned setting epitaxial layer, including following step
Suddenly：
A, preparation extension protective layer：Aggregate, Nutrition Soil and fiber clavas are weighed by formula proportion, mixing is stirred,
Its compound is suppressed, extension screening glass is obtained；
B, will be conventional base mixture injection moulding mould in, be placed on vibration table and vibrate, make base mixture into
Type mold bottom is paved, and obtains binder layer；
C, in conventional top layer compound injection moulding mould and will put, in 20-
It is compressing under the pressure of 30Mpa, obtain adobe；
D, by adobe at normal temperatures natural consolidation, maintenance, obtain baking-free water-permeable brick；
E, binding agent is coated in the side of brick body, and extension screening glass is fitted along its side, had after consolidation
There is the baking-free water-permeable brick of epitaxial layer.
Further description, a kind of preparation method of the baking-free water-permeable brick of above-mentioned setting epitaxial layer, including following step
Suddenly：
A, preparation extension protective layer：Aggregate, Nutrition Soil and fiber clavas are weighed by formula proportion, mixing is stirred,
Its compound is suppressed, extension screening glass is obtained；
B, extension screening glass is enclosed it is located in mould；
C, will be conventional base mixture injection moulding mould in, be placed on vibration table and vibrate, make base mixture into
Type mold bottom is paved, and obtains binder layer；
D, in conventional top layer compound injection moulding mould and will put, in 20-
It is compressing under the pressure of 30Mpa, obtain adobe；
E, by adobe at normal temperatures natural consolidation, maintenance, obtain baking-free water-permeable brick.
Further description, it is after in step A, compacting obtains extension screening glass, natural in the surface spreading of extension screening glass
Cellosilk, and which is pressed using silk screen, obtain the extension screening glass that surface is provided with swingable natural fiber silk.
Further description, a kind of preparation method of the baking-free water-permeable brick of above-mentioned setting epitaxial layer, including following step
Suddenly：
A, preparation extension protective layer base material：Cement, aggregate, Nutrition Soil and fiber clavas are weighed by formula proportion, is added water
It is stirred mixing and obtains extension protective layer base material, be injected into the outside inframe in mould, obtains extension protective layer；
B, will be conventional base mixture injection moulding mould inside casing in, be placed on vibration table and vibrate, mix basic unit
Material is paved in mould bottom, obtains binder layer；
C, in the inside casing of conventional top layer compound injection moulding mould and will put；
D, while vibration, the bulkhead in mould is taken out, extension protective layer and binder layer and surface layer is made
Side portion is blended, and compressing under the pressure of 20-30Mpa, obtains adobe；
E, by adobe at normal temperatures natural consolidation, maintenance, obtain baking-free water-permeable brick.
Beneficial effects of the present invention：
1st, brick body is protected, it is to avoid which is being carried or paving is because foot or delamination are collapsed in collision, reduces and carries or paving
When waste；
2nd, a kind of preparation method, extension screening glass is bonded in the periphery of brick body using binding agent, without the need for existing equipment
Or operation carries out excessive improvement；
3rd, another kind of preparation method, extension protective layer and brick body consolidation are structure as a whole, extension screening glass and brick body side
The bonding strength in face is higher, and when carrying, extension protective layer is not allowed easy to fall off.
Description of the drawings
Fig. 1 is the structural representation of the baking-free water-permeable brick of the present invention；
Fig. 2 is the cross-sectional view of the baking-free water-permeable brick of the present invention.
Wherein：Basic unit 1, surface layer 2, extension protective layer 3, natural fiber silk 31.
Specific embodiment
Technical scheme is further illustrated below in conjunction with the accompanying drawings and by specific embodiment.
As shown in Figure 1-2, a kind of baking-free water-permeable brick for arranging epitaxial layer, includes basic unit and surface layer from top to bottom successively,
The side of brick body is provided with extension protective layer 3 in one week.In carrying or paving, its side Jing's water-permeable brick often collides with, easily
Foot or delamination defect are collapsed in appearance, therefore the application arranges one week extension protective layer 3 in the side of brick body, and brick body is protected,
Avoid which in carrying or paving because foot or delamination are collapsed in collision.
Further description, the extension protective layer 3 are mixed with acquisition by aggregate, Nutrition Soil and fiber clavas.
Extension protective layer 3 is prepared by the component suitable for plant growing plantation, is after planting protected by extension by extraneous
Layer provides nutrient, vegetation is grown along the periphery of surface layer, makes the baking-free water-permeable brick of the application can be effective when carrying
Avoid collapsing outside foot, which is acted on by the nutrient that can be supplied to of extension protective layer 3 when in use, in the circle plantation of side one of brick body
Plant, for blocking gap when brick is spliced with brick, gives people a kind of illusion for splicing gap without brick body of naked eyes, while planting in plantation
After thing, be conducive to the draining on road surface.
Further description, as the compound sizing intensity of aggregate and Nutrition Soil is not high, easily comes off, therefore to mixed
Fiber clavas are added in closing material, for strengthening the sizing intensity of extension protective layer, it is to avoid which provides the aggregate of nutrition, Nutrition Soil
Easily come off.
Further description, the component of the extension protective layer 3 by mass percentage, including 30-40% aggregates, 20-
30% Nutrition Soil and 30-50% fiber clavas.
It should be noted that the Nutrition Soil is powder, is mixed using aggregate and Nutrition Soil, Nutrition Soil can be avoided to inhale
Wet in bulk, is unfavorable for that plant establishment is germinateed, and can provide different nutriment in addition, and add fiber clavas to be on the one hand extension protection
Layer can have certain solid form, increase intensity, on the other hand for pinning aggregate and Nutrition Soil, it is to avoid which is in brick body incipient species
When son does not grow, the aggregate or Nutrition Soil of extension protective layer is lost in by ectocine.Further, from natural fiber rod
Shape body, natural fiber later stage are decomposed into Organic substance, for providing nutrient.
Further description, the extension protective layer 3 are to mix tabletted by aggregate, Nutrition Soil and fiber clavas
What back wall group was formed.
Another preferred version, the component of the extension protective layer by mass percentage, including 5-10 cement, 20-30% bones
Material, 20-30% Nutrition Soils and 30-50% fiber clavas.
Further description, the extension protective layer are provided with natural fiber silk 31 towards the one side of brick body, described
Natural fiber silk 31 is embedded in brick body.Extension protective layer 3 is provided with the natural fiber silk 31 for being embedded in brick body, for strengthening
The tight connection of its extension protective layer and brick body, it is to avoid extension protective layer easily comes off when carrying.
Further description, a kind of preparation method of the baking-free water-permeable brick of above-mentioned setting epitaxial layer, including following step
Suddenly：
A, preparation extension protective layer：Aggregate, Nutrition Soil and fiber clavas are weighed by formula proportion, mixing is stirred,
Its compound is suppressed, extension screening glass is obtained；
B, will be conventional base mixture injection moulding mould in, be placed on vibration table and vibrate, make base mixture into
Type mold bottom is paved, and obtains binder layer；
C, in conventional top layer compound injection moulding mould and will put, in 20-
It is compressing under the pressure of 30Mpa, obtain adobe；
D, by adobe at normal temperatures natural consolidation, maintenance, obtain baking-free water-permeable brick；
E, binding agent is coated in the side of brick body, and extension screening glass is fitted along its side, had after consolidation
There is the baking-free water-permeable brick of epitaxial layer.
Extension screening glass is bonded in using binding agent for the periphery of brick body, it is excessive without the need for carrying out to existing equipment or operation
Improve, simply in the front wall patch extension screening glass that finally dispatches from the factory, and protrusion unnecessary extension screening glass can be entered by cutting
Row segmentation, further instruction, the extension screening glass after segmentation can continue to make when for example size may continue to be used in another brick body
With, if during clout undersize, clout can be reclaimed, shake it is broken after suppressed again by use.
A kind of another embodiment, the preparation method of the baking-free water-permeable brick of above-mentioned setting epitaxial layer, comprises the following steps：
A, preparation extension protective layer：Aggregate, Nutrition Soil and fiber clavas are weighed by formula proportion, mixing is stirred,
Its compound is suppressed, extension screening glass is obtained；
B, extension screening glass is enclosed it is located in mould；
C, will be conventional base mixture injection moulding mould in, be placed on vibration table and vibrate, make base mixture into
Type mold bottom is paved, and obtains binder layer；
D, in conventional top layer compound injection moulding mould and will put, in 20-
It is compressing under the pressure of 30Mpa, obtain adobe；
E, by adobe at normal temperatures natural consolidation, maintenance, obtain baking-free water-permeable brick.
Above-mentioned preparation method is, in cloth, first to enclose to be located at extension screening glass in mould and carry out again cloth, is made outer
Prolong screening glass can just be combined before not consolidating with base mixture and top layer compound, common compacting consolidation is consolidated as one
Body structure, extension screening glass are higher with the bonding strength of brick body side, the extension when carrying.
Further description, it is after in step A, compacting obtains extension screening glass, natural in the surface spreading of extension screening glass
Cellosilk, and which is pressed using silk screen, obtain the extension screening glass that surface is provided with swingable natural fiber silk.
Can be pressed using silk screen, the head or afterbody of natural fiber silk be pressed in extension screening glass so as to portion
The surface of extension screening glass being exceptionally exposed to, swingable strand being formed on its surface, natural fiber silk swingable after cloth is embedding
Enter in basic unit or surface layer, make connection of the extension protective layer to brick body tightr.
A kind of another embodiment, the preparation method of the baking-free water-permeable brick of above-mentioned setting epitaxial layer, comprises the following steps：
A, preparation extension protective layer base material：Cement, aggregate, Nutrition Soil and fiber clavas are weighed by formula proportion, is added water
It is stirred mixing and obtains extension protective layer base material, be injected into the outside inframe in mould, obtains extension protective layer；
B, will be conventional base mixture injection moulding mould inside casing in, be placed on vibration table and vibrate, mix basic unit
Material is paved in mould bottom, obtains binder layer 1；
C, in the inside casing of conventional top layer compound injection moulding mould and will put, obtain
Obtain surface layer 2；
D, while vibration, the bulkhead in mould is taken out, extension protective layer and binder layer 1 and surface layer 2 is made
Side portion blend, it is and compressing under the pressure of 20-30Mpa, obtain adobe；
E, by adobe at normal temperatures natural consolidation, maintenance, obtain baking-free water-permeable brick.
The component of the extension protective layer by mass percentage, including 5-10 cement, 20-30% aggregates, 20-30% nutrition
Soil and 30-50% fiber clavas, the addition of cement make extension protect layer and can form mud, and characteristic is mixed with base mixture or top layer
Close material similar, border can be re-started after cloth is separated by and blended so as to which spaced slot disappears.Extension protective layer base material exists
Extension bearer bar is formed by the bulkhead in mould during cloth, and cloth layer compound and surface mixing are carried out inside which
Material, after the completion of cloth, takes out bulkhead so as to which border carries out fusion contact, realizes mutually combining closely for extension bearer bar and brick body.
Preferably, the water content of extension protective layer base material is 20%.
The know-why of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and limiting the scope of the invention can not be construed to by any way.Based on explanation herein, the technology of this area
Personnel associate other specific embodiments of the present invention by need not paying performing creative labour, these modes fall within
Within protection scope of the present invention.
Claims (10)
1. it is a kind of arrange epitaxial layer baking-free water-permeable brick, it is characterised in that：Include basic unit and surface layer from top to bottom successively, it is described
The side of brick body is provided with extension protective layer in one week.
2. it is according to claim 1 it is a kind of arrange epitaxial layer baking-free water-permeable brick, it is characterised in that：The extension protective layer
Acquisition is mixed with by aggregate, Nutrition Soil and fiber clavas.
3. it is according to claim 1 it is a kind of arrange epitaxial layer baking-free water-permeable brick, it is characterised in that：The extension protective layer
Component by mass percentage, including 30-40% aggregates, 20-30% Nutrition Soils and 30-50% fiber clavas.
4. it is according to claim 3 it is a kind of arrange epitaxial layer baking-free water-permeable brick, it is characterised in that：The extension protective layer
It is to mix tabletted back wall group by aggregate, Nutrition Soil and fiber clavas to be formed.
5. it is according to claim 1 it is a kind of arrange epitaxial layer baking-free water-permeable brick, it is characterised in that：The extension protective layer
Component by mass percentage, including 5-10 cement, 20-30% aggregates, 20-30% Nutrition Soils and 30-50% fiber clavas.
6. it is according to claim 1 it is a kind of arrange epitaxial layer baking-free water-permeable brick, it is characterised in that：The extension protective layer
One side towards brick body is provided with natural fiber silk, and the natural fiber silk is embedded in brick body.
7. the preparation method of a kind of baking-free water-permeable brick that epitaxial layer is set as claimed in claim 3, it is characterised in that：Including with
Lower step：
A, preparation extension protective layer：Aggregate, Nutrition Soil and fiber clavas are weighed by formula proportion, mixing is stirred, to which
Compound is suppressed, and obtains extension screening glass；
B, will be conventional base mixture injection moulding mould in, be placed on vibration table and vibrate, make base mixture in shaping mould
Tool bottom is paved, and obtains binder layer；
C, in conventional top layer compound injection moulding mould and will put, 20-30Mpa's
It is compressing under pressure, obtain adobe；
D, by adobe at normal temperatures natural consolidation, maintenance, obtain baking-free water-permeable brick；
E, binding agent is coated in the side of brick body, and extension screening glass is fitted along its side, obtain with outer after consolidation
Prolong the baking-free water-permeable brick of layer.
8. the preparation method of a kind of baking-free water-permeable brick that epitaxial layer is set as claimed in claim 3, it is characterised in that：Including with
Lower step：
A, preparation extension protective layer：Aggregate, Nutrition Soil and fiber clavas are weighed by formula proportion, mixing is stirred, to which
Compound is suppressed, and obtains extension screening glass；
B, extension screening glass is enclosed it is located in mould；
C, will be conventional base mixture injection moulding mould in, be placed on vibration table and vibrate, make base mixture in shaping mould
Tool bottom is paved, and obtains binder layer；
D, in conventional top layer compound injection moulding mould and will put, 20-30Mpa's
It is compressing under pressure, obtain adobe；
E, by adobe at normal temperatures natural consolidation, maintenance, obtain baking-free water-permeable brick.
9. the preparation method of a kind of baking-free water-permeable brick that epitaxial layer is set as claimed in claim 8, it is characterised in that：Step A
It is middle compacting obtain extension screening glass after, in the surface spreading natural fiber silk of extension screening glass, and using silk screen which is carried out by
Pressure, obtains the extension screening glass that surface is provided with swingable natural fiber silk.
10. the preparation method of a kind of baking-free water-permeable brick that epitaxial layer is set as claimed in claim 5, it is characterised in that：Including
Following steps：
A, preparation extension protective layer base material：Cement, aggregate, Nutrition Soil and fiber clavas are weighed by formula proportion, adding water is carried out
Stirring mixing obtains extension protective layer base material, is injected into the outside inframe in mould, obtains extension protective layer；
B, will be conventional base mixture injection moulding mould inside casing in, be placed on vibration table and vibrate, make base mixture exist
Mould bottom is paved, and obtains binder layer；
C, in the inside casing of conventional top layer compound injection moulding mould and vibration 10-15mi n on a vibration table will be put；
D, while vibration, the bulkhead in mould is taken out, the side of extension protective layer and binder layer and surface layer is made
Portion blends, and compressing under the pressure of 20-30Mpa, obtains adobe；
E, by adobe at normal temperatures natural consolidation, maintenance, obtain baking-free water-permeable brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710002643.3A CN106592379B (en) | 2017-01-03 | 2017-01-03 | A kind of baking-free water-permeable brick and preparation method thereof that epitaxial layer is set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710002643.3A CN106592379B (en) | 2017-01-03 | 2017-01-03 | A kind of baking-free water-permeable brick and preparation method thereof that epitaxial layer is set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106592379A true CN106592379A (en) | 2017-04-26 |
| CN106592379B CN106592379B (en) | 2019-05-07 |
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| CN201710002643.3A Active CN106592379B (en) | 2017-01-03 | 2017-01-03 | A kind of baking-free water-permeable brick and preparation method thereof that epitaxial layer is set |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001073306A (en) * | 1999-09-08 | 2001-03-21 | Tadahiro Tsukamoto | Water permeable concrete panel |
| CN1349024A (en) * | 2000-12-26 | 2002-05-15 | 吉林省吉水土工合成材料研究所 | Plant/concrete block and its making process |
| CN101059020A (en) * | 2007-04-30 | 2007-10-24 | 李艺明 | Wall heat insulation building blocks and production method thereof |
| CN101200894A (en) * | 2007-12-14 | 2008-06-18 | 天津市水利科学研究所 | Ecological slope protection vegetation building blocks as well as making method and construction process |
| CN105200895A (en) * | 2015-10-21 | 2015-12-30 | 湖州园林绿化有限公司 | Greening combined footpath floor tile |
-
2017
- 2017-01-03 CN CN201710002643.3A patent/CN106592379B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001073306A (en) * | 1999-09-08 | 2001-03-21 | Tadahiro Tsukamoto | Water permeable concrete panel |
| CN1349024A (en) * | 2000-12-26 | 2002-05-15 | 吉林省吉水土工合成材料研究所 | Plant/concrete block and its making process |
| CN101059020A (en) * | 2007-04-30 | 2007-10-24 | 李艺明 | Wall heat insulation building blocks and production method thereof |
| CN101200894A (en) * | 2007-12-14 | 2008-06-18 | 天津市水利科学研究所 | Ecological slope protection vegetation building blocks as well as making method and construction process |
| CN105200895A (en) * | 2015-10-21 | 2015-12-30 | 湖州园林绿化有限公司 | Greening combined footpath floor tile |
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| Publication number | Publication date |
|---|---|
| CN106592379B (en) | 2019-05-07 |
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Effective date of registration: 20191009 Address after: Luo Luo village Huangnitang Lake Town 517000 Guangdong province Heyuan city Dongyuan County Co-patentee after: Foshan Shiwan Eagle Brand Ceramic Co., Ltd. Patentee after: Heyuan Dongyuan Yingpai Ceramics Co. Ltd Co-patentee after: Roc pottery Co., Ltd of Foshan Shi Wan China Address before: 517000 Huangsha Stem, Gaotang Village, Dongpu Office, Yuancheng District, Heyuan City, Guangdong Province Co-patentee before: Foshan Shiwan Eagle Brand Ceramic Co., Ltd. Patentee before: Eagle Ceramic Industry (Heyuan) Co., Ltd. Co-patentee before: Heyuan Dongyuan Yingpai Ceramics Co. Ltd Co-patentee before: Roc pottery Co., Ltd of Foshan Shi Wan China |
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Effective date of registration: 20191230 Address after: Luo Luo village Huangnitang Lake Town 517000 Guangdong province Heyuan city Dongyuan County Co-patentee after: Foshan Shiwan Eagle Brand Ceramic Co., Ltd. Patentee after: Heyuan Dongyuan Yingpai Ceramics Co. Ltd Co-patentee after: Foshan Yingpai Technology Co., Ltd Address before: Luo Luo village Huangnitang Lake Town 517000 Guangdong province Heyuan city Dongyuan County Co-patentee before: Foshan Shiwan Eagle Brand Ceramic Co., Ltd. Patentee before: Heyuan Dongyuan Yingpai Ceramics Co. Ltd Co-patentee before: Roc pottery Co., Ltd of Foshan Shi Wan China |
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