CN207363179U - Formaldehydeless compound wooden floor - Google Patents
Formaldehydeless compound wooden floor Download PDFInfo
- Publication number
- CN207363179U CN207363179U CN201721236928.5U CN201721236928U CN207363179U CN 207363179 U CN207363179 U CN 207363179U CN 201721236928 U CN201721236928 U CN 201721236928U CN 207363179 U CN207363179 U CN 207363179U
- Authority
- CN
- China
- Prior art keywords
- formaldehydeless
- material plate
- layer
- backing material
- hot melt
- 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.)
- Expired - Fee Related
Links
- 150000001875 compounds Chemical class 0.000 title claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 47
- 239000003292 glue Substances 0.000 claims abstract description 38
- 239000000758 substrate Substances 0.000 claims abstract description 33
- 238000007731 hot pressing Methods 0.000 claims abstract description 30
- 239000002131 composite material Substances 0.000 claims abstract description 21
- 239000012943 hotmelt Substances 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 20
- 238000002844 melting Methods 0.000 claims abstract description 15
- 230000008018 melting Effects 0.000 claims abstract description 15
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 239000002023 wood Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000005034 decoration Methods 0.000 claims description 4
- MUKYLHIZBOASDM-UHFFFAOYSA-N 2-[carbamimidoyl(methyl)amino]acetic acid 2,3,4,5,6-pentahydroxyhexanoic acid Chemical compound NC(=N)N(C)CC(O)=O.OCC(O)C(O)C(O)C(O)C(O)=O MUKYLHIZBOASDM-UHFFFAOYSA-N 0.000 claims description 3
- 229920000877 Melamine resin Polymers 0.000 claims description 3
- 241000159213 Zygophyllaceae Species 0.000 claims description 3
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 235000009165 saligot Nutrition 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 239000004831 Hot glue Substances 0.000 abstract description 3
- 241000238631 Hexapoda Species 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract description 2
- 231100000331 toxic Toxicity 0.000 abstract description 2
- 230000002588 toxic effect Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 24
- 235000019256 formaldehyde Nutrition 0.000 description 9
- -1 polypropylene Polymers 0.000 description 8
- 229960004279 formaldehyde Drugs 0.000 description 6
- 230000036541 health Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- 238000003763 carbonization Methods 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 229920000915 polyvinyl chloride Polymers 0.000 description 4
- 239000005062 Polybutadiene Substances 0.000 description 3
- 229920002522 Wood fibre Polymers 0.000 description 3
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 3
- 229920002857 polybutadiene Polymers 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 230000004064 dysfunction Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000002648 laminated material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010011224 Cough Diseases 0.000 description 1
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 206010037423 Pulmonary oedema Diseases 0.000 description 1
- 206010047700 Vomiting Diseases 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 208000026935 allergic disease Diseases 0.000 description 1
- 230000007815 allergy Effects 0.000 description 1
- 208000006673 asthma Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001900 immune effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 230000004199 lung function Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 208000005333 pulmonary edema Diseases 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
Landscapes
- Floor Finish (AREA)
Abstract
The utility model discloses a kind of formaldehydeless compound wooden floor, the idiosome of the composite floor board is by formaldehydeless substrate layer, hot melting cohesion layer, finish coat forms, substrate layer is formed by hot melt adhesive after two layers or more than two layers of the backing material plate elder generation hot pressing after formaldehydeless processing, there is one layer of hot melt clamping tack coat between the backing material plate after formaldehydeless processing, the hot melt clamping tack coat top and bottom are distributed uniform glue nail, glue nail on the hot melt clamping tack coat is adapted with equally distributed aperture on the backing material plate after formaldehydeless processing, glue nail on the hot melt clamping tack coat is inserted into equally distributed aperture on the backing material plate after formaldehydeless processing.The formaldehydeless compound wooden floor performance of the utility model is stable, moisture-proof, anti-corrosion, insect prevention, suitable for being used under various environment, and will not deform and crack during use；The formaldehydeless discharge for waiting toxic and harmful gas in use of formaldehydeless composite floor board, safety and environmental protection.
Description
Technical field
A kind of compound wooden floor is the utility model is related to, in particular to a kind of formaldehydeless compound wooden floor.
Background technology
Wood floors are widely applied on office, family and all kinds of building grounds decoration.But burst size of methanal is larger,
Very big harm is caused to human body.The main reason for burst size of methanal is big is that floor is finishing material (natural wood facing and people
Make wooden facing) hot pressing bonding forms on certain thickness and backing material plate with some strength, such as lumber core, multilayer gluing
Plate, medium density fibre board (MDF) and particieboard etc., floor is during making, either backing material plate or backing material plate and finishing material
Bonding can all use glue, glue on the market predominantly urinates aldehyde glue and phenol glue at present：It is simple to urinate the manufacture craft of aldehyde glue,
It is not high to equipment requirement, and its is cheap, has obtained the use of many floor manufacturing firms, but burst size of methanal is larger.
Influence of the formaldehyde to health is very big, and it is different to be mainly manifested in allotriosmia, stimulation, allergy, lung function
Often, dysfunction of liver and immunologic dysfunction etc..When its concentration reaches 0.06-0.07mg/m3 in every cubic metres of air,
Children will occur slightly to pant.When formaldehyde content in indoor air is 0.1mg/m3, just there are peculiar smell and sense of discomfort；Reach
During 0.5mg/m3, eyes can be stimulated, causes and sheds tears；Reach 0.6mg/m3, throat discomfort or pain can be caused.During concentration higher,
Nausea and vomiting can be caused, cough is uncomfortable in chest, asthma even pulmonary edema；When reaching 30mg/m3, causing death immediately is understood.China at present
It is the formaldehyde that decorative floor and wooden boards discharge in use that room air pollution, which pollutes most important pollution sources, seriously
Influence life and the health of people.
China Patent Publication No. CN205853505U discloses a kind of formaldehydeless floor, and the program is mainly in every laminate material
Between traditional glue substituted as adhesive using thermoplastic resin, floor prepared by this method can realize no first really
Aldehyde, but use plastic film as adhesive, there are bonding intensity it is low the problem of, and floor easily becomes in use
Shape, per laminate material between bind that fastness is low and cause cracking between bottom plate or even peel off, and strong influence uses.
In view of the above problems, the utility model discloses a kind of formaldehydeless composite floor board, it has skill as described below
Art feature, it is existing to solve the problems, such as.
Utility model content
The main purpose of the utility model is aiming at the problem present on and limitation, there is provided a kind of formaldehydeless floor.
It can not only solve the problems, such as floor existing in the prior art Form aldehyde release is excessive in use to endanger people's health,
And plate stability is good, have the characteristics that to cohere fastness height, not degumming, moisture-proof, stability is good.
To achieve these goals, a kind of formaldehydeless compound wooden floor of the utility model, wherein：The composite floor board
Idiosome is made of formaldehydeless substrate layer, hot melting cohesion layer, finish coat, and substrate layer is by two layers or more than two layers through formaldehydeless processing
Hot melt adhesive forms after backing material plate elder generation hot pressing afterwards, there is one layer of hot melt clamping between the backing material plate after formaldehydeless processing
Tack coat, hot melt clamping tack coat top and bottom are distributed uniform glue nail, and the hot melt is clamped on tack coat
Glue nail is adapted with equally distributed aperture on the backing material plate after formaldehydeless processing, the glue on the hot melt clamping tack coat
Nail is inserted into equally distributed aperture on the backing material plate after formaldehydeless processing.
The formaldehydeless substrate layer hot pressing time 2-20min, 150-300 DEG C of hot pressing temperature, hot pressing pressure 100-
180kg/cm2.After hot pressing, glue nail heats and penetrates into equally distributed aperture and wood on the backing material plate after formaldehydeless processing completely
In matter fiber, the adhesive fastness of hot pressing rear substrate is greatly enhanced.
Above-mentioned formaldehydeless compound wooden floor, wherein, the backing material plate is crisscross point of multi-layer substrate block board
Simultaneously heat pressure adhesive forms for layer arrangement, and the thickness of the backing material plate is 0.5-8mm.
Above-mentioned formaldehydeless compound wooden floor, wherein, the backing material plate tow sides are distributed uniform aperture,
The aperture is that backing material plate is put into cold pressing on the steel plate of the caltrop with distribution rule to form.
Above-mentioned formaldehydeless compound wooden floor, wherein, the formaldehydeless processing of the backing material plate is using 160-280 DEG C
Temperature carbonization treatment is carried out to backing material plate, experiment shows, backing material plate can not only effectively remove backing material plate by carbonization treatment
The harmful volatile substance such as formaldehyde caused by glue is used in adhesion process, moreover it is possible to improve the stability of timber.
Above-mentioned formaldehydeless compound wooden floor, wherein, hot melt clamping tack coat can use polypropylene, polybutadiene
One or more combination in alkene, polyethylene, heat-resisting enhancement polyvinyl resin is made.
Above-mentioned formaldehydeless compound wooden floor, wherein, the hot melting cohesion layer can use polypropylene, polybutadiene,
One or more combination in polyethylene, heat-resisting enhancement polyvinyl resin is made.The hot melting cohesion is laminated to be distributed
Uniform glue nail.
Above-mentioned formaldehydeless compound wooden floor, wherein, the formaldehydeless composite floor board is that formaldehydeless decoration is wooden
Plate idiosome is put between two blocks of steel plates after first hot pressing to heat and forms.The hot melting cohesion layer of the formaldehydeless composite floor board idiosome
Respectively positioned at formaldehydeless substrate layer upper strata and finish coat between the lower floor of formaldehydeless substrate layer and finish coat, it is described
The one side followed closely containing glue of hot melting cohesion layer respectively with the aperture and formaldehydeless substrate layer on the upper strata of formaldehydeless substrate layer
Aperture on layer is engaged and glue follows closely the aperture being inserted on the upper and lower layer of formaldehydeless substrate layer.Hot melting cohesion layer with it is formaldehydeless
The one side being mutually bonded between substrate layer is provided with glue nail, and glue nail can be made to be inserted into the aperture on formaldehydeless substrate layer, after hot pressing,
Hot melt adhesion material is penetrated into hole and in wood fibre, can greatly improve cohesive force；And the one side that finish coat is mutually bonded is not set
Glue nail is put, it is relatively thin to be primarily due to finish coat, and firmness is enough, and finish coat can be punctured by such as setting glue to follow closely.
Above-mentioned formaldehydeless compound wooden floor, wherein, the finish coat can use facing paper, solid wood veneer etc., institute
The facing paper stated is the combination of alundum (Al2O3) abrasion-proof paper and melamine impregnated paper facing paper.
Above-mentioned formaldehydeless compound wooden floor, wherein, the hot pressing temperature of the formaldehydeless composite floor board is described
Hot pressing temperature is 180-260 DEG C, hot pressing time 1-10min, hot pressing pressure 60-120kg/cm2, must be placed after the completion of hot pressing
Carry out health within 6-10 days.
Above-mentioned formaldehydeless composite floor board, wherein, described four sides of formaldehydeless composite floor board are provided with corresponding public affairs
Tenon and female tenon, the male tenon and female tenon are using the general male and female of Floor Industry to plug tenon or bayonet type tenon.
A kind of formaldehydeless compound wooden floor of the utility model is allowed to and prior art phase as a result of such scheme
Than haing the following advantages and positive technique effect；
1) the formaldehydeless composite floor board performance of the utility model is stable, moisture-proof, anti-corrosion, insect prevention, suitable under various environment
Use, and will not deform and crack during use；
2) material and technique are ripe technology used by the formaldehydeless composite floor board of the utility model, therefore are produced into
This is extremely low, is conducive to carry out the large-scale promotion and application of the marketization；
3) the formaldehydeless composite floor board of the utility model formaldehydeless discharge for waiting toxic and harmful gas in use, peace
Loopful is protected.
Brief description of the drawings
Fig. 1 is the structure diagram of the formaldehydeless dress compound wooden floor of the utility model.
Embodiment
A kind of formaldehydeless compound wooden floor of the utility model, wherein：The idiosome of the composite floor board is by formaldehydeless base material
Layer 11, hot melting cohesion layer 22, finish coat 33 form, and substrate layer 11 is by two layers or more than two layers of the base after formaldehydeless processing
Hot melt adhesive forms after the first hot pressing of material plate 111, there is one layer of hot melt clamping between the backing material plate 111 after formaldehydeless processing
Tack coat 112,112 top and bottom of hot melt clamping tack coat are distributed uniform glue nail 55, and hot melt clamping is viscous
Glue nail 55 on knot layer 112 is adapted with equally distributed aperture 44 on the backing material plate 111 after formaldehydeless processing, the heat
Glue nail 55 on molten clamping tack coat 112 is inserted into equally distributed aperture 44 on the backing material plate 111 after formaldehydeless processing.
The 11 hot pressing time 2-20min of formaldehydeless substrate layer, 150-300 DEG C of hot pressing temperature, hot pressing pressure 100-
180kg/cm2.After hot pressing, glue nail 55 heat completely and penetrate on the backing material plate after formaldehydeless processing equally distributed aperture and
In wood fibre, the adhesive fastness of hot pressing rear substrate is greatly enhanced.
Above-mentioned formaldehydeless compound wooden floor, wherein, the backing material plate 111 is crisscross for multi-layer substrate block board
Simultaneously heat pressure adhesive forms hierarchal arrangement, and the thickness of the backing material plate 111 is 0.5-8mm.
Above-mentioned formaldehydeless compound wooden floor, wherein, 111 tow sides of backing material plate are distributed uniform small
Hole 44, the aperture 44 are that backing material plate is put into cold pressing on the steel plate of the caltrop with distribution rule to form.
Above-mentioned formaldehydeless compound wooden floor, wherein, the formaldehydeless processing of the backing material plate is using 160-280 DEG C
Temperature carbonization treatment is carried out to backing material plate, experiment shows, backing material plate can not only effectively remove backing material plate by carbonization treatment
The harmful volatile substance such as formaldehyde caused by glue is used in adhesion process, moreover it is possible to improve the stability of timber.
Above-mentioned formaldehydeless compound wooden floor, wherein, hot melt clamping tack coat 112 can use polypropylene, gather
One or more combination in butadiene, polyethylene, heat-resisting enhancement polyvinyl resin is made.
Above-mentioned formaldehydeless compound wooden floor, wherein, the hot melting cohesion layer 22 can use polypropylene, polybutadiene
One or more combination in alkene, polyethylene, heat-resisting enhancement polyvinyl resin is made.22 one side of hot melting cohesion layer has
The glue nail 55 being evenly distributed.
Above-mentioned formaldehydeless compound wooden floor, wherein, the formaldehydeless composite floor board is that formaldehydeless decoration is wooden
Plate idiosome is put between two blocks of steel plates after first hot pressing to heat and forms.The hot melting cohesion layer of the formaldehydeless composite floor board idiosome
22 respectively positioned at formaldehydeless substrate layer 11 upper strata and finish coat 33 between and formaldehydeless substrate layer 11 lower floor and finish coat
Between 33, the hot melting cohesion layer 22 containing glue nail 55 one side respectively with the aperture on the upper strata of formaldehydeless substrate layer 11
44 and formaldehydeless substrate layer 11 lower floor on aperture 44 be engaged and upper and lower layers that glue nail 55 is inserted into formaldehydeless substrate layer 11
On aperture 44.Mutually be bonded one side is provided with glue nail 55 between hot melting cohesion layer 22 and formaldehydeless substrate layer 11, can follow closely glue
In aperture on the 55 formaldehydeless substrate layers 11 of insertion, after hot pressing, hot melt adhesion material is penetrated into hole and in wood fibre, can pole
Big raising cohesive force；And the one side of 33 phase of finish coat bonding is not provided with glue nail 55, it is relatively thin to be primarily due to finish coat, and is bonded jail
Degree is enough, and finish coat can be punctured by such as setting glue to follow closely.
Above-mentioned formaldehydeless compound wooden floor, wherein, the finish coat 33 can use facing paper, solid wood veneer etc.,
The facing paper is the combination of alundum (Al2O3) abrasion-proof paper and melamine impregnated paper facing paper.
Above-mentioned formaldehydeless compound wooden floor, wherein, the hot pressing temperature of the formaldehydeless composite floor board is described
Hot pressing temperature is 180-260 DEG C, hot pressing time 1-10min, hot pressing pressure 60-120kg/cm2, must be placed after the completion of hot pressing
Carry out health within 6-10 days.
Above-mentioned formaldehydeless compound wooden floor, wherein, described four sides of formaldehydeless composite floor board are provided with correspondence
Male tenon and female tenon, the male tenon and female tenon are using the general male and female of Floor Industry to plug tenon or bayonet type tenon.
Specific embodiment of the utility model is described in detail above, but the utility model is not restricted to the above and retouches
The specific embodiment stated, it simply makees example.To those skilled in the art, it is any to be repaiied for being equal for system progress
Change and substitute also all among the category of the utility model.Therefore, done under the spirit and scope for not departing from the utility model
The impartial conversion gone out and modification, should all cover in the scope of the utility model.
Claims (7)
1. a kind of formaldehydeless compound wooden floor, it is characterised in that the idiosome of the composite floor board is viscous by formaldehydeless substrate layer, hot melt
Layer, finish coat composition are tied, substrate layer is viscous by being heated after two layers or more than two layers of the backing material plate elder generation hot pressing after formaldehydeless processing
Conjunction forms, and has one layer of hot melt clamping tack coat between the backing material plate after formaldehydeless processing, and hot melt clamping is viscous
Knot layer top and bottom are distributed uniform glue nail, and the hot melt is clamped the glue nail on tack coat and the base after formaldehydeless processing
Equally distributed aperture is adapted on material plate, and the glue nail on the hot melt clamping tack coat is inserted into after formaldehydeless processing
Equally distributed aperture on backing material plate.
2. formaldehydeless compound wooden floor as claimed in claim 1, it is characterised in that the backing material plate is multi-layer substrate wood
Simultaneously heat pressure adhesive forms the crisscross hierarchal arrangement of core plate, and the thickness of the backing material plate is 0.5-8mm.
3. formaldehydeless compound wooden floor as claimed in claim 2, it is characterised in that the backing material plate tow sides have
The aperture being evenly distributed, the aperture are that backing material plate is put into cold pressing on the steel plate of the caltrop with distribution rule to form.
4. formaldehydeless compound wooden floor as claimed in claim 1, it is characterised in that the formaldehydeless composite floor board be by
Formaldehydeless decoration wooden boards idiosome is put between two blocks of steel plates after first hot pressing to heat and forms.
5. formaldehydeless compound wooden floor as claimed in claim 1, it is characterised in that the formaldehydeless composite floor board idiosome
Hot melting cohesion layer respectively positioned at formaldehydeless substrate layer upper strata and finish coat between and formaldehydeless substrate layer lower floor and facing
Between layer, one side that the hot melting cohesion layer is followed closely containing glue respectively with the aperture on the upper strata of formaldehydeless substrate layer and formaldehydeless
Aperture in the lower floor of substrate layer is engaged and glue follows closely the aperture being inserted on the upper and lower layer of formaldehydeless substrate layer.
6. formaldehydeless compound wooden floor as claimed in claim 1, it is characterised in that the finish coat using facing paper,
Solid wood veneer, the facing paper are the combination of alundum (Al2O3) abrasion-proof paper and melamine impregnated paper facing paper.
7. formaldehydeless compound wooden floor as claimed in claim 6, it is characterised in that the formaldehydeless composite floor board four
Side is provided with corresponding male tenon and female tenon, and the male tenon and female tenon use male and female to plug tenon or bayonet type tenon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721236928.5U CN207363179U (en) | 2017-09-26 | 2017-09-26 | Formaldehydeless compound wooden floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721236928.5U CN207363179U (en) | 2017-09-26 | 2017-09-26 | Formaldehydeless compound wooden floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207363179U true CN207363179U (en) | 2018-05-15 |
Family
ID=62349985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721236928.5U Expired - Fee Related CN207363179U (en) | 2017-09-26 | 2017-09-26 | Formaldehydeless compound wooden floor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207363179U (en) |
-
2017
- 2017-09-26 CN CN201721236928.5U patent/CN207363179U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 5179, Building 853 Minjing Road, Yangpu District, Shanghai, 2008 Patentee after: Shanghai Shangsheng Intelligent Technology Co., Ltd. Address before: 26th Floor, 828-838 Zhangyang Road, Shanghai China (Shanghai) Free Trade Pilot Area, 200122 Patentee before: Shanghai Shang Sheng Intelligent Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20200926 |