CN104746656A - Stone composite vacuum plate with edge sealed by seal strip and manufacturing method thereof - Google Patents
Stone composite vacuum plate with edge sealed by seal strip and manufacturing method thereof Download PDFInfo
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- CN104746656A CN104746656A CN201310721317.XA CN201310721317A CN104746656A CN 104746656 A CN104746656 A CN 104746656A CN 201310721317 A CN201310721317 A CN 201310721317A CN 104746656 A CN104746656 A CN 104746656A
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- vacuum chamber
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- weather strip
- carbon steel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/242—Slab shaped vacuum insulation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/10—Insulation, e.g. vacuum or aerogel insulation
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Abstract
A stone composite vacuum plate with the edge sealed by a seal strip comprises a face plate, a connecting layer and a vacuum cavity and is characterized in that the face plate is made of natural stones or artificial stones, the connecting layer enables the face plate and the vacuum cavity to be connected to form a whole, the vacuum cavity is formed by welding a low-carbon steel plate in a vacuum furnace by utilizing a glass solder under the high vacuum and high temperature, the seal strip is arranged at the welding position of the edge portion of the low-carbon steel plate, the low-carbon steel plate is matched with the coefficient of thermal expansion of the glass solder, and a support is arranged in the vacuum cavity and is independently manufactured or is directly formed on the vacuum cavity. A manufacturing method of the stone composite vacuum plate is simple in process, the air impermeability of the vacuum cavity of the stone composite vacuum plate can be effectively ensured, the service life of the stone composite vacuum plate can be prolonged, and strength and heat-insulation, sound-insulation and fireproof performance can be improved.
Description
Technical field
The present invention relates to energy-saving building technology field, composite evacuated plate of stone material particularly relating to a kind of weather strip edge sealing and preparation method thereof.
Background technology
Current building exterior wall heat preserving material used is divided into A level heat insulating material and B level heat insulating material, and the fireproof performance of A level heat insulating material is good, but its heat-insulating property, water resistance etc. are all lower than B level heat insulating material, and there is the problems such as price is high, complicated construction technique; B level heat insulating material has the advantages such as cost is low, good heat insulating, construction technology are ripe, but its durability is bad, heat resistance is poor, easy firing, a large amount of poison gas is not only discharged during burning, and spreading of big fire can be accelerated, so prohibit the use organic insulation material for exterior-wall heat insulation in highrise building and public building.Vacuum heat-insulating plate was applied to building heat preservation field in recent years, its major advantage be belong to A level heat insulating material, good heat insulating, thickness is thin, unit mass is light, but also have that obvious shortcoming is as low in vacuum bag poor air-tightness, puncture-resistant intensity, edge exists cold bridge, soon, easily rise bag, insulation life-span of vacuum decay is short etc.Therefore, building heat preservation needs the new A level heat insulating material researching and developing good heat insulating, long service life.
Applicant discloses a series of evacuated panel and preparation method thereof in July, 2013, although solve the contradiction and problems of the aspect such as fire prevention, insulation, application life that existing heat insulating material exists, but owing to directly metal sheet being welded together, so its edge exists obvious cold bridge, its heat-insulating property is made not reach optimum state.
Stone material has good abrasion resistance and durability, through processing rear surface attractive in appearance be imbued with ornamental, a kind of building and ornament materials of top grade, but its acid resistance is weak, poor thermal insulation property, from great, the intensity of superthin stone is lower, the heat insulating material fire resistance that is composited with polyurethane foam is bad.
Summary of the invention
technical problem to be solved by this invention is for existing building insulating board, warming plate, the defect that vacuum heat-insulating plate exists, composite evacuated plate of stone material of a kind of novel weather strip edge sealing and preparation method thereof is provided, the preparation method technique of the composite evacuated plate of stone material of this weather strip edge sealing is simple, the prepared composite evacuated plate of stone material can overcome existing insulating board, the deficiency of vacuum heat-insulating plate and warming plate, effectively can ensure the tightness of the composite evacuated plate of stone material, increase the service life, and its intensity and heat insulation can be increased, sound insulation, fireproof performance, also there is good decorative effect simultaneously.
In order to solve the problems of the technologies described above, the invention provides a kind of composite evacuated plate of stone material of weather strip edge sealing, comprise panel, articulamentum and vacuum chamber, it is characterized in that described panel is lithotome or artificial stone, described panel is connected as a whole with described vacuum chamber by described articulamentum, described panel and or described articulamentum provide additional strength for described vacuum chamber, ensure vacuum chamber planarization under atmospheric pressure, described vacuum chamber is by low carbon steel plate high vacuum in vacuum drying oven, glass solder is utilized to be welded under high temperature, the edge weld of described low carbon steel plate has weather strip, the coefficient of thermal expansion of described low carbon steel plate and described glass solder matches, supporter is had in described vacuum chamber, above support makes separately or directly formed on vacuum chamber.
In order to solve the problems of the technologies described above, the invention provides a kind of preparation method of the composite evacuated plate of stone material of weather strip edge sealing, it is characterized in that comprising the following steps:
The first step, two pieces of panels and two pieces of low carbon steel plates for the formation of vacuum chamber are made respectively according to the shape of the composite evacuated plate of stone material of the weather strip edge sealing of required making and size, two pieces of low carbon steel plates for the formation of vacuum chamber are carried out flanging shaping, make weather strip at edge weld and make supporter at least one piece of low carbon steel plate;
Second step, first by the weld coated glass solder of the lower low carbon steel plate in two pieces of low carbon steel plates, and reserved bleed-off passage, then two pieces of low carbon steel plate consistencies from top to bottom are combined, then send in continuous vacuum stove;
3rd step, is introduced in the pre-vacuum chamber of vacuum drying oven, carries out forvacuum and preheats; Then enter in the vacuum chamber of vacuum drying oven, further gas clean-up and heating-up temperature, after vacuum reaches requirement, then be warming up to the temperature 380-500 DEG C of welding, after glass solder fusing, upper and lower low carbon steel plate is bonded together; Enter subsequently in the cooling chamber of vacuum drying oven, by vacuum chamber hermetic welded seal after glass solder solidifies; Finally enter in the compound room of vacuum drying oven, first spraying or lay articulamentum on the external surface of vacuum chamber, then panel covering is bonded on articulamentum, after going out vacuum drying oven, obtain composite evacuated plate.
Wherein, the composite evacuated plate of stone material of described weather strip edge sealing comprises the various forms of sheet materials such as surface plate, curved slab, bending plate, sketch plate.
Wherein, the composite evacuated plate of stone material of described weather strip edge sealing has the connector or groove etc. for installing.
Wherein, the composite evacuated plate of stone material of described weather strip edge sealing or the surrounding of vacuum chamber scribble fluid sealant or structure glue.
Wherein, described panel is lithotome or artificial stone, described lithotome comprises granite, marble, sandstone, limestone, lava etc., and described artificial stone comprises polyester artificial marble, composite artificial marble, silicate-type artificial marble, slug type artificial marble etc.;
Further, the preferred superthin stone of described panel, to save material, reduce costs, reduce deadweight, to increase safety;
Further, described panel is single stone material, or the stone material of combination;
Further, described panel can be commaterial, also can be two kinds of different materials.
Wherein, described articulamentum is bonding adhesive or plastic sheet;
Further, described bonding adhesive comprises organic gel, inorganic glue and composite adhesive, is commercially available prod; Described organic gel comprises thermosetting cement, PUR etc., and preferred resistant to elevated temperatures bonding adhesive, as phenolic resins, epoxy resin, organic siliconresin etc.;
Further, the preferred resistant to elevated temperatures thermoplastic of described plastic sheet, as polyamide, poly-to mock, PVB film etc.
Wherein, described articulamentum can be one to several layers;
Further, enhancement Layer or stiffener can be had, as fiber, reinforcing rib, reinforcing mat, stiffener etc. in described articulamentum or between described articulamentum.
Wherein, panel and vacuum chamber can connect as one before vacuumizing or in vacuum or after vacuumizing by described articulamentum.
Wherein, described vacuum chamber is the air-tight cavity be welded by a piece or two pieces of low carbon steel plates, and the C content of described low carbon steel plate is not more than 0.06%, preferred enamel low carbon steel plate, and thickness is 0.3-3mm, preferred 0.3-1mm.
Wherein, described vacuum chamber can be one to several, and when described vacuum chamber is two, upper and lower two vacuum chambers stack bonding along the diagonal dislocation of lower upper surface, make it form overlap edge, to reduce edge cold bridge impact when described composite evacuated plate is installed.
Wherein, the low carbon steel plate of described vacuum chamber can adopt mirror board, if its surface is senior finish, or its inner surface makes it have extremely low emissivity, as aluminizer etc. through process.
Wherein, the inwall of described vacuum chamber can have coating that is heat insulation, sound insulation; Can have getter in described vacuum chamber, getter is automatic activation under high temperature, high vacuum.
Wherein, the edge weld of described low carbon steel plate has weather strip, and described weather strip is made up of glass or metal etc.;
Further, when described weather strip is made up of glass, preferably cryogenic glass powder is produced on described low carbon steel plate by modes such as printing, printing, sprayings and forms through high temperature sintering, can carry out separately sintering, also can sintering together with glass solder; The fusion temperature of described cryogenic glass powder is higher than the welding temperature of described glass solder;
Further, can be the metal sheet, the bar that are welded on separately on described low carbon steel plate when described weather strip is metal, also can be described low carbon steel plate flanging; Can only be connected with one piece of low carbon steel plate when described weather strip is metal sheet, bar, cold bridge can not be formed in described vacuum chamber;
Further, described weather strip forms an airtight bar frame at the weld of described low carbon steel plate, described weather strip has two airtight bar frames at least at the edge weld of lower low carbon steel plate of the described vacuum chamber of composition, described glass solder is positioned in the region that described two airtight bar frames surround, described weather strip has an airtight bar frame at least at the edge weld of upper low carbon steel plate of the described vacuum chamber of composition, and the weather strip of described upper low carbon steel plate can insert between two weather strips of described lower low carbon steel plate.
Wherein, described glass solder refers to and utilizes glass solder at high temperature to be welded together by two pieces of low carbon steel plates, commercially available low temperature glass solder selected by described glass solder, and its welding temperature is generally 380-480 DEG C, selects low temperature glass solder to be conducive to reducing costs, improving production capacity etc.
Wherein, described glass solder and described panel by described articulamentum and described vacuum chamber in conjunction with time, certain pressure can be applied, namely pressure welding is carried out, with make welding and combine more solid and reliable, vacuum chamber and plate face more smooth, and can eliminate because solder thickness is uneven, vacuum chamber surface irregularity can not get supporter and evenly effectively supports and the edge sealing stress that causes; Described pressure is approximately 0.1MPa, described in the mode of exerting pressure can adopt mechanical compression, air pressure or hydraulic pressure etc.
Wherein, described vacuum drying oven comprises pre-vacuum chamber, vacuum chamber, cooling chamber and compound room etc., and described pre-vacuum chamber carries out preliminary vacuumizing and heat, and the temperature of pre-vacuum chamber is 300-350 DEG C, pressure is 10-1000Pa; Described vacuum chamber vacuumizes further and heats, and the vacuum reached required by welding and temperature, the temperature of vacuum chamber is 350-380 DEG C, pressure is 0.001-0.1Pa; Described cooling chamber is that vacuum chamber is cooled, and the temperature of cooling chamber is 200-300 DEG C, pressure is 10-1000Pa; Described compound room is combined with each other by articulamentum and vacuum chamber by panel, and the temperature of compound room is 50-200 DEG C, pressure is 10-1000Pa.
Wherein, above support can be the supporter made separately, also can be on the low carbon steel plate making vacuum chamber by mechanical means as punching press the projection that formed, as point, line etc.;
Further, when above support makes separately, be point, line or the net etc. that adopt the materials such as metal, glass, pottery, high polymer to make.
Wherein, above support has one to several layers.
Wherein, above support can directly put into described vacuum chamber, also can form one with the inwall of described vacuum chamber by punching press, roll extrusion and welding, the mode such as bonding.
The invention has the beneficial effects as follows:
The present invention adds weather strip at the weld of glass solder, weather strip not only can limit the rear random flowing of glass solder fusing, make edge sealing neatly good-looking, prevent the solder skip phenomenon caused because glass solder runs off, the qualification rate improving product, and the plane-welding of glass solder can be become three-dimensional welding, make welding more firmly, reliably, the tightness of vacuum chamber is fine, the longer service life of evacuated panel; The present invention replaces metal () to weld with glass solder, coefficient of thermal conductivity due to glass only has 1% of metal even less so can solve the edge cold bridge problem of evacuated panel well, because glass is different with the material of metal so the evacuated panel of glass solder has better sound insulation value; The low carbon steel plate matched with coefficient of thermal expansion and glass solder replaces conventional metal sheet, solves the Welding Problems between glass and metal; An about atmospheric pressure is applied when glass solder, glass solder is made to solidify the sizing of final vacuum chamber in using state, eliminate edge sealing stress, avoid the evacuated panel in use damage that causes because of unbalance stress of brittle glass solder, thus ensure that heat-proof quality and the application life of evacuated panel; Vacuum chamber is welded in employing at higher temperature and vacuum, composite joint layer and panel at lower temperature and vacuum, both the condition of high vacuum degree of vacuum chamber and the intensity of glass solder and tightness had been ensure that, the temperature of articulamentum compound tense can be reduced again, make articulamentum can the kind of the selection of material especially organic material increases greatly, the price of material significantly declines; Panel and articulamentum under vacuo while hot with vacuum chamber compound, not only shorten technological process, reduce energy consumption, and panel, articulamentum, eliminate the existence of bubble between vacuum chamber, make the combination between panel, articulamentum, vacuum chamber more solid and reliable; Panel can be assembled by little stone material, so not only can turn waste into wealth, and can increase style; Can process by counter plate in the process that composite plate is produced, make it have higher intensity, better acidproof and anti-pollution characteristic; The composite evacuated plate of stone material of weather strip edge sealing of the present invention is made up of stone material and composite metal plate, so not only thickness is thin, lightweight, and has very high mechanical strength; The stone material composite evacuated plate manufacture craft of weather strip edge sealing of the present invention is simple, cost of production is low, can mechanization, automation, production in enormous quantities, product can be widely used in interior wall, exterior wall and curtain wall, the consumption that can greatly reduce material and the energy, the weight alleviating building, shortening building cycle; The composite evacuated plate of stone material of weather strip edge sealing of the present invention not only can be applied to new building, and the energy-conservation of existing building and outward appearance transformation can be applied to, not only can wet combining but also can be cladding, can greatly save the engineering time compared with existing heat insulating material, improve heat insulation and soundproof effect; The composite evacuated plate of stone material of weather strip edge sealing of the present invention can also make sketch plate, is directly used in the production of refrigerator carriage, cold store, frozen products insulated container etc.
Accompanying drawing explanation
Fig. 1 is the composite evacuated plated construction schematic diagram of stone material of weather strip edge sealing of the present invention.
In figure: 1. panel, 2. articulamentum, 3. vacuum chamber, 4. supporter, 5. glass solder, 6. weather strip.
Detailed description of the invention
Embodiment: see Fig. 1, the composite evacuated plate of stone material of weather strip edge sealing is made up of panel 1, articulamentum 2, vacuum chamber 3 and supporter 4, and lithotome or artificial stone etc. that panel 1 is 2-8mm by thickness are formed; Articulamentum 2 is resistant to elevated temperatures bonding adhesive, can select organic adhesion agent and conventional inorganic adhesive or the organo-mineral complexing bonding adhesive etc. such as the resistant to elevated temperatures phenolic resin glue of normal temperature or hot setting, epoxide-resin glue, organic siliconresin glue and polyimides; The low carbon steel plate that vacuum chamber 3 is 0.3-1.0mm by thickness is welded; Supporter 4 is made up of metal, pottery, glass or high polymer, and modes such as utilizing printing, print, spray, machinery lays becomes dot matrix to be distributed in vacuum chamber 3, and the bearing height of supporter 4 is advisable with 0.15-1.0mm, and the diameter of the strong point is advisable with 0.3-1.0mm.The preparation method of the composite evacuated plate of stone material of weather strip edge sealing is as follows: the low carbon steel plate that first cutting two pieces is onesize is for making vacuum chamber 3, and it is shaping to utilize the mode of punching press to carry out flanging to two pieces of low carbon steel plates, take cryogenic glass powder as raw material weather strip 6 be printed on low carbon steel plate edge weld, supporter 4 is printed on wherein on one block of plate, at the weld coated glass solder 5 of the lower steel plate of two pieces of low carbon steel plates, glass solder 5 leaves slit as the passage vacuumized; Secondly the low carbon steel plate closed after sheet is sent in continuous vacuum stove, vacuum drying oven comprises pre-vacuum chamber, vacuum chamber, cooling chamber and compound room etc., tentatively vacuumizing and heating through pre-vacuum chamber, complete in a vacuum chamber and vacuumize and pressure welding, after cooling chamber cooling, glass solder 5 solidifies, and vacuum chamber 3 is shaped and reached airtight sealing; Finally make two pieces of onesize ultra-thin marble slabs as panel 1, choose epoxide-resin glue as articulamentum 2, successively panel 1 is pasted onto on two surfaces up and down of vacuum chamber 3 by articulamentum 2 in the compound room of vacuum drying oven, after applying pressure, forms composite plate; The composite evacuated plate of stone material of weather strip edge sealing is obtained after going out vacuum drying oven; In order to protect vacuum chamber 3 and attractive in appearance, the surrounding of vacuum chamber 3 can smear fluid sealant or structure glue.
All above-mentioned this intellectual properties of primary enforcement, not setting restriction this new product of other forms of enforcement and/or new method.Those skilled in the art will utilize this important information, and foregoing is revised, to realize similar implementation status.But all modifications or transformation belong to the right of reservation based on new product of the present invention.
The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (10)
1. the composite evacuated plate of the stone material of a weather strip edge sealing, comprise panel, articulamentum and vacuum chamber, it is characterized in that described panel is lithotome or artificial stone, described panel is connected as a whole with described vacuum chamber by described articulamentum, described panel and or described articulamentum provide additional strength for described vacuum chamber, ensure vacuum chamber planarization under atmospheric pressure, described vacuum chamber is by low carbon steel plate high vacuum in vacuum drying oven, glass solder is utilized to be welded under high temperature, the edge weld of described low carbon steel plate has weather strip, the coefficient of thermal expansion of described low carbon steel plate and described glass solder matches, supporter is had in described vacuum chamber, above support makes separately or directly formed on vacuum chamber.
2. the composite evacuated plate of stone material of weather strip edge sealing as claimed in claim 1, is characterized in that the composite evacuated plate of stone material of described weather strip edge sealing comprises surface plate, curved slab, bending plate and sketch plate.
3. the composite evacuated plate of stone material of weather strip edge sealing as claimed in claim 1, is characterized in that described articulamentum is bonding adhesive or plastic sheet.
4. the composite evacuated plate of stone material of weather strip edge sealing as claimed in claim 1, is characterized in that can having enhancement Layer or stiffener in described articulamentum.
5. the composite evacuated plate of stone material of weather strip edge sealing as claimed in claim 1, it is characterized in that described vacuum chamber has one to several, when described vacuum chamber is two, upper and lower two vacuum chambers stack bonding along the diagonal dislocation of lower upper surface, it is made to form overlap edge, to reduce edge cold bridge impact during installation.
6. the composite evacuated plate of stone material of weather strip edge sealing as claimed in claim 1, is characterized in that the inwall of described vacuum chamber can have coating that is heat insulation, sound insulation.
7. the composite evacuated plate of stone material of weather strip edge sealing as claimed in claim 1, is characterized in that described glass solder is pressure welding.
8. the composite evacuated plate of stone material of weather strip edge sealing as claimed in claim 1, is characterized in that above support has one to several layers.
9. the composite evacuated plate of stone material of weather strip edge sealing as claimed in claim 1, is characterized in that there is getter in described vacuum chamber.
10. the preparation method of the composite evacuated plate of stone material of the weather strip edge sealing described in any one of claim 1 to 9, is characterized in that comprising the following steps:
The first step, two pieces of panels and two pieces of low carbon steel plates for the formation of vacuum chamber are made respectively according to the shape of the composite evacuated plate of stone material of the weather strip edge sealing of required making and size, two pieces of low carbon steel plates for the formation of vacuum chamber are carried out flanging shaping, make weather strip at edge weld and make supporter at least one piece of low carbon steel plate;
Second step, first by the weld coated glass solder of the lower low carbon steel plate in two pieces of low carbon steel plates, and reserved bleed-off passage, then two pieces of low carbon steel plate consistencies from top to bottom are combined, then send in continuous vacuum stove;
3rd step, is introduced in the pre-vacuum chamber of vacuum drying oven, carries out forvacuum and preheats; Then enter in the vacuum chamber of vacuum drying oven, further gas clean-up and heating-up temperature, after vacuum reaches requirement, then be warming up to the temperature 380-500 DEG C of welding, after glass solder fusing, upper and lower low carbon steel plate is bonded together; Enter subsequently in the cooling chamber of vacuum drying oven, by vacuum chamber hermetic welded seal after glass solder solidifies; Finally enter in the compound room of vacuum drying oven, first spraying or lay articulamentum on the external surface of vacuum chamber, then panel covering is bonded on articulamentum, after going out vacuum drying oven, obtain composite evacuated plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310721317.XA CN104746656A (en) | 2013-12-25 | 2013-12-25 | Stone composite vacuum plate with edge sealed by seal strip and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310721317.XA CN104746656A (en) | 2013-12-25 | 2013-12-25 | Stone composite vacuum plate with edge sealed by seal strip and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN104746656A true CN104746656A (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310721317.XA Pending CN104746656A (en) | 2013-12-25 | 2013-12-25 | Stone composite vacuum plate with edge sealed by seal strip and manufacturing method thereof |
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| Country | Link |
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| CN (1) | CN104746656A (en) |
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2013
- 2013-12-25 CN CN201310721317.XA patent/CN104746656A/en active Pending
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Application publication date: 20150701 |