CN102155071A - Rigid-soft-rigid compound waterproof process - Google Patents
Rigid-soft-rigid compound waterproof process Download PDFInfo
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- CN102155071A CN102155071A CN 201110061835 CN201110061835A CN102155071A CN 102155071 A CN102155071 A CN 102155071A CN 201110061835 CN201110061835 CN 201110061835 CN 201110061835 A CN201110061835 A CN 201110061835A CN 102155071 A CN102155071 A CN 102155071A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 150000001875 compounds Chemical class 0.000 title abstract 3
- 239000004567 concrete Substances 0.000 claims abstract description 50
- 239000000463 material Substances 0.000 claims abstract description 47
- 238000010276 construction Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000003292 glue Substances 0.000 claims abstract description 16
- 239000000839 emulsion Substances 0.000 claims abstract description 15
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 230000001680 brushing effect Effects 0.000 claims abstract description 9
- 239000002002 slurry Substances 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 238000004078 waterproofing Methods 0.000 claims description 47
- 239000004568 cement Substances 0.000 claims description 24
- 229920001971 elastomer Polymers 0.000 claims description 23
- 238000005516 engineering process Methods 0.000 claims description 13
- 230000007812 deficiency Effects 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000012512 characterization method Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 38
- 230000000694 effects Effects 0.000 abstract description 4
- 239000004744 fabric Substances 0.000 abstract description 3
- 229920000715 Mucilage Polymers 0.000 abstract 3
- 239000000853 adhesive Substances 0.000 abstract 3
- 238000002156 mixing Methods 0.000 abstract 2
- 238000007790 scraping Methods 0.000 abstract 2
- 239000002344 surface layer Substances 0.000 abstract 1
- 239000003973 paint Substances 0.000 description 7
- 239000011083 cement mortar Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000003889 chemical engineering Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920005597 polymer membrane Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical class O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The invention discloses a rigid-soft-rigid compound waterproof process, which is used for the waterproof construction of a constructional concrete reference face. The process comprises the following construction steps of: A, cleaning the reference face; B, partially repairing; C, brushing interface glue; D, preparing a bottom-layer rigid waterproof layer: blending an anti-leakage waterproof material in water until the anti-leakage waterproof material is sticky, and scraping and coating on the concrete reference face brushed with the interface glue; E, preparing a soft waterproof layer: blending the anti-leakage waterproof material in elastic waterproof emulsion to prepare soft mucilage, pasting non-woven cloth on the bottom-layer rigid waterproof layer by using the soft mucilage, and brushing the soft mucilage on the non-woven cloth twice; and F, preparing a surface-layer rigid waterproof layer: scraping and coating the anti-leakage slurry on the large surface of the soft waterproof layer for three times so that the process is implemented. In the process, the whole process is performed under the wet condition; the rigid waterproof layer, the soft waterproof layer and the other rigid waterproof layer are constructed on the concrete reference face of a building structure continuously; therefore, the compound waterproof layer has a very good waterproof effect and the characteristic of self-protection.
Description
Technical field
The present invention relates to a kind of buildings waterproof job practices, especially a kind of construction technology of hard and soft firm complex waterproof layer.
Background technology
Existing waterproofing materials adopts the rubber-like waterproof roll more, as waterproof rolls such as high molecular weight epdm, blend class waterproof roll and resinae waterproof roll, modified bitumen class waterproof roll, polyethylene polypropylene polymer membranes, and water-repellent paint adopts polyurethane water-proof paint more.Above material is organic material, and other waterproofing materials all can not wet trade except that the polyethylene polypropylene polymer membranes, and the waterproof construction basal plane is all had strict requirement: require formation level solid, smooth, clean, dry.In use, need at first blade coating cement mortar screeding layer in steel bar concrete basic unit.Principles of Chemical Engineering according to " dissimilar person is incompatible ", the organic waterproof material can't firmly cohere with the inorganic silicic acid salt material of building body, especially formation level is dry inadequately when waterproof construction, will form " two skins " under the moisture effect, causes the generation of " interlayer string water " phenomenon.In a single day the meaning of " two skins " and " interlayer string water " phenomenon pass waterproofing course by water, and just string is moving everywhere, at first from recently the most smoothly passage circulate down, form seepage.When keeping in repair such seepage, leak source and old complaint be not but at same position, and a leak source is repaired and finished, new leak source occurs again at once, thus, no matter be that what reason causes seepage just to declare the failure of whole waterproofing, become the buildings waterproof industry and need a big problem of facing badly.
In order to overcome the deficiency of organic waterproof material, people have developed multiple inorganic waterproof material in succession.The early 1980s, Chinese mechanical industry Import and Export Corporation has introduced the great scientific achievement product of switching from manufacturing military products to goods for civilian use after World War II from the U.S.---efficient inorganic waterproof paint " when guaranteeing ".The physicochemical property that it the is superior and support of wet trade caused domestic construction waterproof industry scientific and technical personnel's very big concern orders about down the dual of vast market prospect and high added value, and how tame scientific research institutions launch the production domesticization research of " when guaranteeing " one after another.Late nineteen eighties, " the gram seepage " of " efficient inorganic waterproof paint " in Guangzhou, Building Material Industry Design Research Inst., Shijiazhuang, " the waterproof treasured " of Beijing National Research Institute of Building Materials Industry become big efficient inorganic waterproof paint China's 1980s three successively by technical appraisement.It is carrier with white portland cement still that efficient inorganic waterproof paint after the production domesticization follows U.S.'s " when guaranteeing ", yet white cement is a predominant use with " decoration ", compressive strength is low and the early strength slower development.Therefore,, just need the loaded down with trivial details unkind coating maintaining process of a cover, had a strong impact on applying of efficient inorganic waterproof paint thus in order to guarantee the water resistance of coating.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of hard and soft firm composite water-proof technology; solve the deficiencies in the prior art; omnidistance wet trade; rigidity, flexibility, rigid waterproof layer are constructed on the concrete basal plane of building structure continuously; complex waterproof layer not only waterproof effect is fabulous, has the characteristic of self-protection simultaneously.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows.
A kind of hard and soft firm composite water-proof technology is used to build the waterproof construction of concrete basal plane, and its step comprises:
A, basal plane cleaning: the impurity that adheres on the concrete basal plane is thoroughly cleaned out;
B, sectional repair: B-1, constructional deficiency repair, to constructional deficiencies such as the leakage shake that produces in the concrete casting and constructing process, honeycomb, race slurry with flexible rubber cement carry out sectional repair extremely with big Shunping County of concrete basal plane; Described flexible rubber cement utilizes the elastic water-proof emulsion to be in harmonious proportion and restrains the preparation of seepage waterproofing materials, and the consumption weight ratio of elastic water-proof emulsion and gram seepage waterproofing materials is 1: (0.8～1.1); B-2, concrete cold joint seam are repaired, at first brush interface glue to increase the interface cohesion at the cold seam crossing of concretes such as the constuction joint of construction work, last-cost joint, water is in harmonious proportion gram seepage waterproofing materials to thick then, and brush at the cold seam crossing of concrete, the consumption weight ratio of gram seepage waterproofing materials and water is 1: (0.4～0.5), sew at the concrete cold joint with described flexible rubber cement then and paste nonwoven, and then on nonwoven, brush flexible rubber cement;
C, brush interface glue: brush interface glue on the concrete basal plane of sectional repair to increase the interface cohesion finishing;
D, bottom rigid waterproof layer: water is in harmonious proportion gram seepage waterproofing materials to thick, and knife-coat application on the concrete basal plane of interface glue is arranged in brushing, and the blade coating pass is as the criterion with big Shunping County of concrete basal plane; Wherein, the consumption weight ratio of gram seepage waterproofing materials and water is 1: (0.4～0.5);
E, flexible waterproof layer: prepare flexible rubber cement with elastic water-proof emulsion mediation gram seepage waterproofing materials, on the bottom rigid waterproof layer, paste nonwoven, avoid hollowing alice phenomenon with this flexible rubber cement; And then on nonwoven, brush flexible rubber cement twice; Wherein, the consumption weight ratio of elastic water-proof emulsion and gram seepage waterproofing materials is 1: (0.8～1.1);
F, top layer rigid waterproof layer: water is in harmonious proportion gram seepage waterproofing materials to thick and big blade coating of flexible waterproof layer three times, survives; Wherein, the consumption weight ratio of gram seepage waterproofing materials and water is 1: (0.4～0.5).
As a kind of optimal technical scheme of the present invention, when pasting nonwoven, the lap width of nonwoven is not less than 80mm in the step e.
As a kind of optimal technical scheme of the present invention, when brushing flexible rubber cement on nonwoven, it is orthogonal to brush direction for twice, treats to brush second time behind the first pass setting and harden again.
Adopt the beneficial effect that technique scheme produced to be:
The present invention constructs " rigid and flexible rigidity " waterproofing course on the concrete basal plane of building structure continuously, bottom rigid waterproof layer and concrete structure one integrated mass, with respect to the organic class waterproofing materials of tradition, Principles of Chemical Engineering according to " similar compatibility, dissimilar incompatible ", belong to the silicates material together because of restraining seepage waterproofing materials and concrete basal plane, make and bottom rigid waterproof layer and concrete basal plane one integrated mass overcome the generation of phenomenons such as " two skins ", " interlayer string water "; Middle flexible waterproof layer can prevent effectively that concrete basic unit from destroying because of the waterproofing course that factors such as unbalance stress or drying shrinkage cause, in the conventional waterproof construction technology, the overlap joint of waterproof roll always is the weak link of waterproofing, the leakage passage pilosity is born in this, in contrast to this, the bottom rigid waterproof layer of composite water-proof technology of the present invention does not evenly have seam, middle flexible waterproof layer overlays high-strength tough and tensile waterproofing course of complete no seam of the nonwoven flexible rubber cement formation of cloth dual coating simultaneously, the top layer rigid waterproof layer does not evenly have seam, can stop the formation of leakage passage to greatest extent; The top layer rigid waterproof layer is in order to prevent the destruction of follow-up construction, and construction process establishes one's own system and has the characteristic of self-protection;
The present invention at first carries out waterproofing work to " constructional deficiency " and " concrete cold joint seam " before the big surface construction of concrete basal plane, especially " concrete cold joint seam " carried out " hard and soft " double-deck waterproof Combined Processing, even destroyed concrete basal plane waterproofing course because fluting holes, and seepage can not take place over against on " constructional deficiency " and disaster positions such as " concrete cold joint seams " time in damaged position yet, on the waterproofing " dual fail-safe ";
In the conventional waterproof work progress, need after smearing the cement mortar screeding layer and treat the leveling layer drying, the concrete basal plane can begin waterproof construction, can begin follow-up construction after also will in time smearing cement mortar protective course after waterproof construction is finished, so not only spun out construction period greatly, also increased the manpower and materials consumption of twice cement mortar floated coat, increased building costs, in contrast to this, gram seepage waterproofing materials of the present invention and elastic water-proof emulsion all can wet trades, therefore before in work progress, having broken away from the rainy day and raining, after the predicament that all can not construct, effectively accelerate construction speed, saved the construction cost of cement mortar simultaneously;
In work progress, " hard and soft firm " three levels are constructed respectively, the on-the-spot manufacturing, and attribution of liability is single, and quality assurance is clear and definite;
In a word, the present invention is applied to the waterproofing that underground parking top board, flat roof planting roofing, accessible roof, pitched roof roofing etc. are had relatively high expectations to classification of waterproof, can effectively improve waterproofing quality, shorten the building operations cycle, reduce the waterproof construction cost, produce bigger economic results in society.
The specific embodiment
Following examples describe the present invention in detail.Prepare various raw material used in the present invention and items of equipment and be conventional commercially available prod, all can buy directly acquisition by market.
The primary raw material that is adopted in the construction technology of the present invention and originate as follows:
Interface glue: the Beijing Ye Jian New Technology Co., Ltd meets national standard (concrete interface treating agent, JC/T 907-2002) and gets final product;
Gram seepage waterproofing materials: conventional commercially available prod meets national standard (inorganic leak-stopping material, JC 900-2002) and gets final product;
Elastic water-proof emulsion: Dongfang Chemical Plant, Beijing, The East Chemical Plant,Beijing.
Concrete implementation step of the present invention comprises:
A, basal plane cleaning: the impurity that adheres on the concrete basal plane is thoroughly cleaned out;
B, sectional repair: B-1, constructional deficiency repair, to constructional deficiencies such as the leakage shake that produces in the concrete casting and constructing process, honeycomb, race slurry with flexible rubber cement carry out sectional repair extremely with big Shunping County of concrete basal plane; Described flexible rubber cement utilizes the elastic water-proof emulsion to be in harmonious proportion and restrains the preparation of seepage waterproofing materials, and the consumption weight ratio of elastic water-proof emulsion and gram seepage waterproofing materials is 1: 1; B-2, concrete cold joint seam are repaired, at first brush interface glue to increase the interface cohesion at the cold seam crossing of concretes such as the constuction joint of construction work, last-cost joint, water is in harmonious proportion gram seepage waterproofing materials to thick then, and brush at the cold seam crossing of concrete, the consumption weight ratio of gram seepage waterproofing materials and water is 1: 0.45, sew at the concrete cold joint with above-mentioned flexible glue slurry then and paste nonwoven, and then on nonwoven, brush flexible rubber cement;
C, brush interface glue: brush interface glue on the concrete basal plane of sectional repair to increase the interface cohesion finishing;
D, bottom rigid waterproof layer: water is in harmonious proportion gram seepage waterproofing materials to thick, and knife-coat application on the concrete basal plane of interface glue is arranged in brushing, and the blade coating pass is as the criterion with big Shunping County of concrete basal plane; Wherein, the consumption weight ratio of gram seepage waterproofing materials and water is 1: 0.45;
E, flexible waterproof layer: prepare flexible rubber cement with elastic water-proof emulsion mediation gram seepage waterproofing materials, paste nonwoven with this flexible rubber cement on the bottom rigid waterproof layer, avoid hollowing alice phenomenon, the lap width of nonwoven is not less than 80mm; And then flexible rubber cement twice, the twice brushing direction of brushing is orthogonal on nonwoven, treats to brush second time behind the first pass setting and harden again; Wherein, the consumption weight ratio of elastic water-proof emulsion and gram seepage waterproofing materials is 1: 1;
F, top layer rigid waterproof layer: water is in harmonious proportion gram seepage waterproofing materials to thick and big blade coating of flexible waterproof layer three times, survives; Wherein, the consumption weight ratio of gram seepage waterproofing materials and water is 1: (0.4～0.5).
The construction test that utilizes construction technology of the present invention to carry out in places such as underground parking top board, flat roof planting roofing, accessible roof, pitched roof roofings has all been received good waterproof effect.
Foregoing description only proposes as the enforceable technical scheme of the present invention, not as the single restrictive condition to its technical scheme itself.
Claims (3)
1. hard and soft firm composite water-proof technology is used to build the waterproof construction of concrete basal plane, and its characterization step comprises:
A, basal plane cleaning: the impurity that adheres on the concrete basal plane is thoroughly cleaned out;
B, sectional repair: B-1, constructional deficiency repair, to constructional deficiencies such as the leakage shake that produces in the concrete casting and constructing process, honeycomb, race slurry with flexible rubber cement carry out sectional repair extremely with big Shunping County of concrete basal plane; Described flexible rubber cement utilizes the elastic water-proof emulsion to be in harmonious proportion and restrains the preparation of seepage waterproofing materials, and the consumption weight ratio of elastic water-proof emulsion and gram seepage waterproofing materials is 1: (0.8～1.1); B-2, concrete cold joint seam are repaired, at first brush interface glue to increase the interface cohesion at the cold seam crossing of concretes such as the constuction joint of construction work, last-cost joint, water is in harmonious proportion gram seepage waterproofing materials to thick then, and brush at the cold seam crossing of concrete, the consumption weight ratio of gram seepage waterproofing materials and water is 1: (0.4～0.5), sew at the concrete cold joint with described flexible rubber cement then and paste nonwoven, and then on nonwoven, brush flexible rubber cement;
C, brush interface glue: brush interface glue on the concrete basal plane of sectional repair to increase the interface cohesion finishing;
D, bottom rigid waterproof layer: water is in harmonious proportion gram seepage waterproofing materials to thick, and knife-coat application on the concrete basal plane of interface glue is arranged in brushing, and the blade coating pass is as the criterion with big Shunping County of concrete basal plane; Wherein, the consumption weight ratio of gram seepage waterproofing materials and water is 1: (0.4～0.5);
E, flexible waterproof layer: prepare flexible rubber cement with elastic water-proof emulsion mediation gram seepage waterproofing materials, on the bottom rigid waterproof layer, paste nonwoven, avoid hollowing alice phenomenon with this flexible rubber cement; And then on nonwoven, brush flexible rubber cement twice; Wherein, the consumption weight ratio of elastic water-proof emulsion and gram seepage waterproofing materials is 1: (0.8～1.1);
F, top layer rigid waterproof layer: water is in harmonious proportion gram seepage waterproofing materials to thick and big blade coating of flexible waterproof layer three times, survives; Wherein, the consumption weight ratio of gram seepage waterproofing materials and water is 1: (0.4～0.5).
2. hard and soft firm composite water-proof technology according to claim 1, it is characterized in that: when pasting nonwoven, the lap width of nonwoven is not less than 80mm in the step e.
3. hard and soft firm composite water-proof technology according to claim 2 is characterized in that: when brushing flexible rubber cement on nonwoven, it is orthogonal to brush direction for twice, treats to brush second time behind the first pass setting and harden again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011100618354A CN102155071B (en) | 2011-03-15 | 2011-03-15 | Rigid-soft-rigid compound waterproof process |
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| CN2011100618354A CN102155071B (en) | 2011-03-15 | 2011-03-15 | Rigid-soft-rigid compound waterproof process |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103866978A (en) * | 2012-12-15 | 2014-06-18 | 佛山市捷安居组合房屋有限公司 | Waterproof technology for FC cement fibre plate |
| CN104847022A (en) * | 2015-04-29 | 2015-08-19 | 苏州金螳螂建筑装饰股份有限公司 | Flexible waterproof structure and construction method thereof |
| CN105604198A (en) * | 2016-01-21 | 2016-05-25 | 河南理工大学 | Rigid-soft combined watertightness construction method |
| CN107227823A (en) * | 2017-07-13 | 2017-10-03 | 郭春未 | A kind of foreign-style house waterproof roof-working method |
| CN107227718A (en) * | 2017-07-13 | 2017-10-03 | 郭春未 | A kind of Landscape Water System waterproof construction method |
| CN107246078A (en) * | 2017-07-13 | 2017-10-13 | 郭春未 | A kind of structure pond waterproof construction method |
| CN107327118A (en) * | 2017-07-13 | 2017-11-07 | 郭春未 | A kind of house floor heating heat supply kitchen and toilet waterproof construction method |
| CN107355079A (en) * | 2017-07-13 | 2017-11-17 | 郭春未 | A kind of shed deckhead waterproof construction method |
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| WO2000009828A1 (en) * | 1998-08-11 | 2000-02-24 | Jung Woong Choi | Damp-proof construction and method of basement |
| CN101298782A (en) * | 2008-06-13 | 2008-11-05 | 朱邃科 | Method and system for basement engineering water proof and water drain |
| CN101694100A (en) * | 2009-06-17 | 2010-04-14 | 朱奎 | Waterproof construction of basement soleplate and construction method thereof |
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2011
- 2011-03-15 CN CN2011100618354A patent/CN102155071B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000009828A1 (en) * | 1998-08-11 | 2000-02-24 | Jung Woong Choi | Damp-proof construction and method of basement |
| CN101298782A (en) * | 2008-06-13 | 2008-11-05 | 朱邃科 | Method and system for basement engineering water proof and water drain |
| CN101694100A (en) * | 2009-06-17 | 2010-04-14 | 朱奎 | Waterproof construction of basement soleplate and construction method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103866978A (en) * | 2012-12-15 | 2014-06-18 | 佛山市捷安居组合房屋有限公司 | Waterproof technology for FC cement fibre plate |
| CN104847022A (en) * | 2015-04-29 | 2015-08-19 | 苏州金螳螂建筑装饰股份有限公司 | Flexible waterproof structure and construction method thereof |
| CN105604198A (en) * | 2016-01-21 | 2016-05-25 | 河南理工大学 | Rigid-soft combined watertightness construction method |
| CN107227823A (en) * | 2017-07-13 | 2017-10-03 | 郭春未 | A kind of foreign-style house waterproof roof-working method |
| CN107227718A (en) * | 2017-07-13 | 2017-10-03 | 郭春未 | A kind of Landscape Water System waterproof construction method |
| CN107246078A (en) * | 2017-07-13 | 2017-10-13 | 郭春未 | A kind of structure pond waterproof construction method |
| CN107327118A (en) * | 2017-07-13 | 2017-11-07 | 郭春未 | A kind of house floor heating heat supply kitchen and toilet waterproof construction method |
| CN107355079A (en) * | 2017-07-13 | 2017-11-17 | 郭春未 | A kind of shed deckhead waterproof construction method |
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| CN102155071B (en) | 2012-07-11 |
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Effective date of registration: 20140919 Address after: 050000 No. 01, No. 319, block B, Xiangjiang Road, Shijiazhuang hi tech Zone, Hebei, 2304 Patentee after: Shijiazhuang sky Waterproof Technology Co.,Ltd. Address before: 050031 Hebei city in Shijiazhuang province Mount Everest Street No. 218 Tianshan garden flora 54-3-101 Patentee before: Guo Chunwei |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20110817 Assignee: Beijing Yihe Waterproof Technology Co.,Ltd. Assignor: Shijiazhuang sky Waterproof Technology Co.,Ltd. Contract record no.: X2019130000002 Denomination of invention: Rigid-soft-rigid compound waterproof process Granted publication date: 20120711 License type: Exclusive License Record date: 20191128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 |
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| CF01 | Termination of patent right due to non-payment of annual fee |