CN203004429U - Polymer film composite waterproof coiled material with both sides bonded - Google Patents
Polymer film composite waterproof coiled material with both sides bonded Download PDFInfo
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- CN203004429U CN203004429U CN 201220502427 CN201220502427U CN203004429U CN 203004429 U CN203004429 U CN 203004429U CN 201220502427 CN201220502427 CN 201220502427 CN 201220502427 U CN201220502427 U CN 201220502427U CN 203004429 U CN203004429 U CN 203004429U
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- sided adhesive
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- 239000000463 material Substances 0.000 title claims abstract description 46
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 229920006254 polymer film Polymers 0.000 title abstract 5
- 239000004568 cement Substances 0.000 claims abstract description 23
- 239000004567 concrete Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 86
- 239000011295 pitch Substances 0.000 claims description 25
- 239000010426 asphalt Substances 0.000 claims description 22
- 239000000853 adhesive Substances 0.000 claims description 19
- 230000001070 adhesive effect Effects 0.000 claims description 18
- 239000012528 membrane Substances 0.000 claims description 17
- 229920001971 elastomer Polymers 0.000 claims description 13
- 239000011229 interlayer Substances 0.000 claims description 13
- 239000005060 rubber Substances 0.000 claims description 13
- 230000004888 barrier function Effects 0.000 claims description 12
- 229920006267 polyester film Polymers 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 239000004800 polyvinyl chloride Substances 0.000 claims description 11
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 10
- 229920002521 macromolecule Polymers 0.000 claims description 10
- 239000011241 protective layer Substances 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 10
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 9
- -1 polyethylene Polymers 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 230000002195 synergetic effect Effects 0.000 claims description 4
- 229920003002 synthetic resin Polymers 0.000 claims description 4
- 239000000057 synthetic resin Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 238000007670 refining Methods 0.000 claims description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 16
- 239000000565 sealant Substances 0.000 abstract description 8
- 238000004078 waterproofing Methods 0.000 abstract description 5
- 239000011148 porous material Substances 0.000 abstract description 4
- 230000008855 peristalsis Effects 0.000 abstract 1
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 11
- 229920003048 styrene butadiene rubber Polymers 0.000 description 6
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 5
- 239000002174 Styrene-butadiene Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
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- 230000002427 irreversible effect Effects 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical class OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
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- 229920005570 flexible polymer Polymers 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 239000011396 hydraulic cement Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 239000002674 ointment Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
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- 229920001169 thermoplastic Polymers 0.000 description 1
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Images
Abstract
The utility model discloses a polymer film composite waterproof coiled material with both sides bonded, which is formed by combining a polymer film layer with bonding sealant layers; the layer structure is as follows: the polymer film layer, bonding sealant layers, and isolating film protection layers; the bonding sealant layers of the composite waterproof coiled material penetrate into cement gel and concrete capillary pores by peristalsis during the solidification process of cement and concrete to form physical adsorption and mortise-tenon effects, so as to realize tight and firm bonding effect. During actual application process, the upper and the lower bonding sealant layers respectively form firm mortise-tenon effect with contacted cement and concrete layers to form a first layer of a waterproof system; the intermediate polymer film has the effect of further waterproofing; meanwhile, the combined structure enhances the has tensile property of the waterproof coiled material, improves the bonding strength, improves the firmness degree of the waterproof layer, and thus provides the whole waterproof layer with good durability and waterproofness.
Description
Technical field
The utility model relates to a kind of architectural waterproof material, particularly a kind of double-sided adhesive polymeric membrane composite of water-proof coiled material.
Background technology
At present, be used for construction work underground and that roof waterproof is impervious more and more, material in order to waterproof is mainly coating and various sheet material or coiled material, appearance along with the macromolecular sheet material of asphalt water-proof coiled material or narrow fabrics layer, because it can batch production production, easy to use, use the favor that more and more is subject to people in construction, particularly be applied to the construction of railway, bridge etc., modified bituminous pitch coiled material is directly pasted with the one side of adhesive the purpose that concrete surface just reaches waterproof.Open source literature also discloses the technology of some this respects, Chinese patent for example: flexible polymer modified cement base waterproof material and preparation method thereof, application number: 00819308, notification number: CN1450955, applicant: Building Material Science Inst., Tianjin, summary: this invention relates to a kind of waterproof material that contains cement and polymer for building structure and preparation method thereof, and said cement is hydraulic cement, and said polymer comprises modified acrylic acid emulsion and toughening rubber.This preparation method comprises the following steps: (a) with the weight ratio of cement/emulsion solid content 100: 15-150, the temperature of 20-80rpm and 25-125 ℃ mediate cement and emulsion until in kneaded material moisture be down to 5-20% (weight), (b) mixing, plasticate also, calendering formation kneading material is 100 with the toughening rubber weight ratio: the mixture of 10-50 obtains waterproof sheet or coiled material.
although above-mentioned open source literature has also reached the purpose that some strength is arranged, but, water leakage problem still thoroughly do not solve, so someone has applied for Chinese patent again: composite water-proof coil stock of rubber, application number: 200820116727, the applying date: 2008.05.21, the day for announcing: 2009.02.18, applicant: Xie Zhongshen, summary: what this utility model related to is composite water-proof coil stock of rubber, this composite water-proof coil stock of rubber consists of at the compound one deck surface layer of the one or both sides of basic unit, basic unit is the rubber waterproof layer, surface layer is nonwoven fabric of synthetic fibre or chemical fibre woven cloths.This utility model is with the compound one deck nonwoven fabric of synthetic fibre of the one or both sides of rubber waterproof layer or chemical fibre woven cloths, due to rubber softness, good springiness, in work progress, when running into turning or bent angle, inward flange no longer produces alice, coiled material is easily bondd, the performance such as bond firm, seamless, anti-aging, anti-oxidant, low temperature resistant is good, its cold zone at subzero 40 ℃ uses, also fracture phenomena can not occur, the scope of application is extensive, is not subjected to the restriction of temperature.
But, above patent and modified asphalt waterproof coiled material, the rubber slab commonly used now, its construction method is oil, macromolecule glue bonding mainly with hot pressing construction or at the bottom of being coated with oiliness ointment, oiliness, has highly energy-consuming, danger, environmental pollution is large, moist basal plane construction bonding is insecure; Waterproof roll with polyvinyl alcohol latex cement adhesive and other polymer latex cement bonding, the as easy as rolling off a log factors such as the damp and hot circulation of environment, steam expansion, basic unit's motion that are subjected to affect, produce the process of desorption, thereby cohesive force is descended, lose the waterproof effect of permanent seal; Simultaneously these materials tear-proof, anti-puncture indifferent, affected water proofing property and the durability of waterproof roll integral body.
The utility model content
The purpose of this utility model is for a kind of double-sided adhesive polymeric membrane composite of water-proof coiled material is provided, and this overlays, wet paving waterproof roll is by the effect of physics mortise and tenon, make coiled material and basic unit reach combination closely, bond effect firmly.
Double-sided adhesive polymeric membrane composite of water-proof coiled material described in the utility model; comprise macromolecule membranous layer and the glue-line that is bonded and sealed; its interlayer structure is as follows: superficial layer is the barrier film protective layer; second and the 4th layer is the glue-line that is bonded and sealed; the 3rd layer is macromolecule membranous layer; bottom is the barrier film protective layer, and each interlayer is integral by the thermo-compression bonding in production process.
Described barrier film protective layer is that polyethylene film, polyvinyl chloride film, polyester film, barrier paper or other have the film of insulation blocking effect.
Described macromolecule membranous layer is polyethylene film, polyvinyl chloride film or polyester film or other film made from high molecular synthetic resin.
The described glue-line that is bonded and sealed is modified asphalt layer or polymeric pressure sensitive adhesive layer.
The modified pitch that described modified asphalt layer is used is rubber and thermoplastic elastomer modified pitch, plastics and synthetic resin modified pitch, blending type modified pitch of high polymer.
The modified pitch that the preferred version of described modified asphalt layer uses is for being one or several blend in SBS modified pitch, APP modified pitch, SBR modified pitch.
Wherein the SBS modified pitch is styrene-butadiene-styrene triblock copolymer modified pitch;
The APP modified pitch is the random polypropylene modified pitch;
The SBR modified pitch is styrene butadiene rubber modified asphalt.
The modified pitch that another preferred version of described modified asphalt layer uses is for can jointly playing chemical crosslink reaction and the synergistic modified asphalt layer of physics mortise and tenon with cast-in-place concrete or cement gel.
The polymeric pressure sensitive adhesive that described polymeric pressure sensitive adhesive layer uses is that rubber passes through the pressure sensitive adhesive that forms after mixed refining process.
Be to use following method during the utility model construction: first prepare lean concrete grout, basal plane is moistening, the element slurry of cementing on basal plane; The barrier film protective layer of coiled material is torn, then also be coated with one time lean concrete grout on the glue-line that is bonded and sealed of coiled material, then coiled material is attached on basal plane and compresses, get final product.
Very simple of the utility model construction method, convenient operation.
The utility model be a kind of described sticking sealant layer be can with overlaying of jointly rising of cast-in-place concrete or cement gel, wet paving waterproof roll.The glue-line that is bonded and sealed of this coiled material is wriggled in cement, concrete setting process and is penetrated in cement gel and concrete pore, form physical absorption and mortise and tenon effect, formation has that cohesive force is larger, waterproof, resist chemical, anti-tear drawing property and puncture resistance, the interfacial reaction layer of remarkable tensile strength, reach in conjunction with tight, secure bond effect, even coiled material top layer failure, the interface of bonding basal plane can be not impaired and produce and alter the water drainage yet, is fit to be applied to highway, railway bridge foundation anti-seepage engineering.
For polymeric membrane, be up and down this composite construction of sticking sealant layer in the middle of the utility model has used, it is strong that this structure has a high-strength and high ductility, not shrinkage of good stability of the dimension, impact resistance anti-puncture, can be in the environment of various humidities the characteristics of construction application.Its principle is: when the sticking sealant layer of polymeric membrane collocation applied to the water proof anti-seepage engineering, cement, concrete layer that the two-layer sticking sealant layer of up and down is in contact with it respectively formed firmly mortise and tenon effect, form the ground floor waterproof system; Middle polymeric membrane plays the effect of further waterproof; This combining structure has strengthened tear-proof, anti-puncture ability simultaneously, can strengthen the firm degree of watertight composition, thereby make whole watertight composition have good water proofing property and durability.
The utility model can be widely used in as waterproofing works such as basement waterproofing, civil air defense constructions and installations, subway, tunnel, roof gardens.
Description of drawings
Below in conjunction with accompanying drawing, enforcement structure of the present utility model is described.
Fig. 1 is the cross-sectional view of the double-sided adhesive polymeric membrane composite of water-proof coiled material that provides of the utility model embodiment.
Description of reference numerals:
1 is macromolecule membranous layer, and 2 are the glue-line that is bonded and sealed, and 3 is the barrier film protective layer.
The specific embodiment
Can be found out by accompanying drawing; double-sided adhesive polymeric membrane composite of water-proof coiled material described in the utility model comprises: comprise macromolecule membranous layer 1 and the glue-line 2 that is bonded and sealed; its interlayer structure is as follows: superficial layer is barrier film protective layer 3; second and the 4th layer is the glue-line 2 that is bonded and sealed; the 3rd layer is macromolecule membranous layer 1; bottom is barrier film protective layer 3, and each interlayer is integral by the thermo-compression bonding in production process.
Adhesive theory:
The glue-line that is bonded and sealed of this coiled material is wriggled in cement, concrete setting process and is penetrated in cement gel and concrete pore, form physical absorption and mortise and tenon effect, formation has that cohesive force is larger, waterproof, resist chemical, anti-tear drawing property and puncture resistance, the interfacial reaction layer of remarkable tensile strength connects thereby form firmly.
can jointly play chemical crosslink reaction and the synergistic modified asphalt layer of physics mortise and tenon when being bonded and sealed glue-line with cast-in-place concrete or cement gel when using, its adhesive theory is to have added modifier in the asphalt modification layer of coiled material, synergy (Chemical Bonding and Physical Crosslinking Synergism by chemical crosslinking and physics mortise and tenon, be called for short CPS), coiled material is wriggled in cement, concrete setting process penetrate into cement gel and concrete pore, form netted mortise and tenon, and composition generation chemical reaction relevant to cement, form the chemical crosslinking effect, play the CPS effect, make coiled material and concrete reach the bond effect that as closely linked as flesh and blood, it with the process of concrete binding in, the creep crack resistance that not only has self-adhesive coiled material, self-healing, wet caking property, the performance of anti-channeling water-based, more highlight its unique advantage aspect the concrete interface bonding, it is to form " IPN grid type " interfacial structure between waterproof roll and concrete, thereby reach in conjunction with tight, firmly, irreversible as closely linked as flesh and blood bond effect, thoroughly solved modified bituminous pitch coiled material and the basal plane cohesive force is large not, cohesive force is not lasting, easy problem affected by environment, realized that coiled material and basal plane form bonding irreversible, not impaired integral type Waterproof structural course, make " skin-type " waterproof idea obtain perfect realization.
Embodiment 1
Superficial layer is that film layer 3, the second and the 4th layer are that 2, the three layers of SBS modified asphalt layer are density polyethylene film with high layers 1, and bottom is film layer 3, and each interlayer is integral by the thermo-compression bonding in production process.
Superficial layer is that laminated polyester film 3, the second and the 4th layer are that 2, the three layers of APP modified asphalt layer are high density polyvinyl chloride film layers 1, and bottom is laminated polyester film 3, and each interlayer is integral by the thermo-compression bonding in production process.
Embodiment 3
Superficial layer is that polyvinyl chloride film layer 3, the second and the 4th layer are that 2, the three layers of SBR modified asphalt layer are laminated polyester films 1, and bottom is polyvinyl chloride film 3, and each interlayer is integral by the thermo-compression bonding in production process.
Superficial layer is that separator paper layer 3, the second and the 4th layer are that 2, the three layers of thermoplastic styrene butadiene rubber modified asphalt layer are high density polyvinyl chloride film layers 1, and bottom is separator paper layer 3, and each interlayer is integral by the thermo-compression bonding in production process.
Embodiment 5
Superficial layer is laminated polyester film 3, second and the 4th layer is jointly to play chemical crosslink reaction and the synergistic modified asphalt layer 2 of physics mortise and tenon with cast-in-place concrete or cement gel, the 3rd layer is density polyethylene film with high layer 1, bottom is laminated polyester film 3, and each interlayer is integral by the thermo-compression bonding in production process.
Embodiment 6
Superficial layer is that polyvinyl chloride film layer 3, the second and the 4th layer are that 2, the three layers, SBS and SBR blend modified asphalt layer is laminated polyester film 1, and bottom is polyvinyl chloride film layer 3, and each interlayer is integral by the thermo-compression bonding in production process.
Embodiment 7
Superficial layer is that laminated polyester film 3, the second and the 4th layer are that 2, the three layers, polymeric pressure sensitive adhesive layer is high density polyvinyl chloride film layer 1, and bottom is laminated polyester film 3, and each interlayer is integral by the thermo-compression bonding in production process.
Technical performance:
The product of embodiment 1～6 of the present utility model its peel strength on inspection all is up to state standards more than 2 times, and other performance meets the wet paving P class of standard GB/T23457-2009 " overlaying/wet the paving waterproof roll ".
The mechanics of the utility model product, physics, chemical property detect index (seeing following subordinate list):
The subordinate list the key technical indexes
Claims (8)
1. double-sided adhesive polymeric membrane composite of water-proof coiled material; comprise macromolecule membranous layer (1) and the glue-line that is bonded and sealed (2); it is characterized in that interlayer structure is as follows: superficial layer is barrier film protective layer (3); second and the 4th layer is the glue-line (2) that is bonded and sealed; the 3rd layer is macromolecule membranous layer (1); bottom is barrier film protective layer (3), and each interlayer is integral by the thermo-compression bonding in production process.
2. double-sided adhesive polymeric membrane composite of water-proof coiled material as claimed in claim 1 is characterized in that: described barrier film protective layer (3) be polyethylene film, polyvinyl chloride film, polyester film or barrier paper or or other have the film of insulation blocking effect.
3. double-sided adhesive polymeric membrane composite of water-proof coiled material as claimed in claim 1, it is characterized in that: described macromolecule membranous layer (1) is polyethylene film, polyvinyl chloride film, polyester film or other films made from high molecular synthetic resin.
4. as any one described double-sided adhesive polymeric membrane composite of water-proof coiled material of claim 1～3, it is characterized in that: the described glue-line that is bonded and sealed (2) is modified asphalt layer or polymeric pressure sensitive adhesive layer.
5. double-sided adhesive polymeric membrane composite of water-proof coiled material as claimed in claim 4 is characterized in that: the modified pitch that described modified asphalt layer is used is rubber modified asphalt, thermoplastic elastomer modified pitch, plastics and synthetic resin modified pitch, blending type modified pitch of high polymer.
6. double-sided adhesive polymeric membrane composite of water-proof coiled material as claimed in claim 4 is characterized in that: the modified pitch that described modified asphalt layer is used is one or several blend in SBS modified pitch, APP modified pitch, SBR modified pitch.
7. double-sided adhesive polymeric membrane composite of water-proof coiled material as claimed in claim 4 is characterized in that: the modified pitch that described modified asphalt layer is used is for can jointly playing chemical crosslink reaction and the synergistic modified asphalt layer of physics mortise and tenon with cast-in-place concrete or cement gel.
8. double-sided adhesive polymeric membrane composite of water-proof coiled material as claimed in claim 4 is characterized in that: the polymeric pressure sensitive adhesive that described polymeric pressure sensitive adhesive layer uses is that rubber passes through the pressure sensitive adhesive that forms after mixed refining process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220502427 CN203004429U (en) | 2012-09-28 | 2012-09-28 | Polymer film composite waterproof coiled material with both sides bonded |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220502427 CN203004429U (en) | 2012-09-28 | 2012-09-28 | Polymer film composite waterproof coiled material with both sides bonded |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203004429U true CN203004429U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220502427 Expired - Lifetime CN203004429U (en) | 2012-09-28 | 2012-09-28 | Polymer film composite waterproof coiled material with both sides bonded |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203004429U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103556571A (en) * | 2013-11-15 | 2014-02-05 | 衡水中铁建土工材料制造有限公司 | Bridge floor waterproof material |
| CN103832027A (en) * | 2014-03-17 | 2014-06-04 | 杨太龙 | Manufacturing method and rubber, plastic film and chemical fabric composite waterproof sheet manufactured by method |
-
2012
- 2012-09-28 CN CN 201220502427 patent/CN203004429U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103556571A (en) * | 2013-11-15 | 2014-02-05 | 衡水中铁建土工材料制造有限公司 | Bridge floor waterproof material |
| CN103556571B (en) * | 2013-11-15 | 2015-12-02 | 衡水中铁建土工材料制造有限公司 | A kind of waterproof bridge floor material |
| CN103832027A (en) * | 2014-03-17 | 2014-06-04 | 杨太龙 | Manufacturing method and rubber, plastic film and chemical fabric composite waterproof sheet manufactured by method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Polymer film composite waterproof coiled material with both sides bonded Effective date of registration: 20171206 Granted publication date: 20130619 Pledgee: Guangxi Beibu Bay bank Limited by Share Ltd. Nanhu branch of Nanning City Pledgor: Lu Guicai|Guangxi Golden Umbrella Waterproofing Co.,Ltd. Registration number: 2017450000014 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 530001 Donggouling Landscape Road, Xingning District, Nanning City, Guangxi Zhuang Autonomous Region, Lin18 Sunshine Green City, 1 Building, 1 Unit 4 Patentee after: Xiniupi Waterproof Technology Co.,Ltd. Address before: 530001 Donggouling Landscape Road, Xingning District, Nanning City, Guangxi Zhuang Autonomous Region, Lin18 Sunshine Green City, 1 Building, 1 Unit 4 Patentee before: Guangxi Golden Umbrella Waterproofing Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PM01 | Change of the registration of the contract for pledge of patent right | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20190409 Registration number: 2017450000014 Pledgor after: West Cattle Leather Waterproof Decoration Co.,Ltd. Pledgor after: Lu Guicai Pledgor before: GUANGXI GOLDEN UMBRELLA WATERPROOFING Co.,Ltd. Pledgor before: Lu Guicai |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190415 Granted publication date: 20130619 Pledgee: Guangxi Beibu Bay bank Limited by Share Ltd. Nanhu branch of Nanning City Pledgor: West Cattle Leather Waterproof Decoration Co.,Ltd.|Lu Guicai Registration number: 2017450000014 |
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