CN101597133A - The package design of extraction opening of multi-layer vacuum glass - Google Patents

The package design of extraction opening of multi-layer vacuum glass Download PDF

Info

Publication number
CN101597133A
CN101597133A CNA2008100534304A CN200810053430A CN101597133A CN 101597133 A CN101597133 A CN 101597133A CN A2008100534304 A CNA2008100534304 A CN A2008100534304A CN 200810053430 A CN200810053430 A CN 200810053430A CN 101597133 A CN101597133 A CN 101597133A
Authority
CN
China
Prior art keywords
glass
hole
taper hole
sheet glass
spheroid
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.)
Pending
Application number
CNA2008100534304A
Other languages
Chinese (zh)
Inventor
左树森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CNA2008100534304A priority Critical patent/CN101597133A/en
Publication of CN101597133A publication Critical patent/CN101597133A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Packages (AREA)

Abstract

The present invention relates to a kind of package design of extraction opening of multi-layer vacuum glass, its technical characterstic is: with made coaxial through hole or the taper hole of all being shaped on the multilayer intermediate glass of taper hole of last sheet glass, all be packaged with glass powder with low melting point in the made through hole of taper hole that last sheet glass is made and multilayer intermediate glass, perhaps at the made taper hole of last sheet glass and one spheroid all is installed the made taper hole bottom of multilayer intermediate glass and this spheroid seals by glass powder with low melting point.One-piece construction of the present invention is simple; the bleeding point encapsulation is reliable; resistance to air loss is good, and gas leakage hidden danger is few, good looking appearance; can realize sealing voluntarily of bleeding point; simplify manufacture craft, improved the work-ing life of vacuum glass, reduced the breakage rate of vacuum glass; greatly promote the vacuum glass industrial expansion, be particularly suitable for industrialization, mass-producing, the standardized production of multi-layer vacuum glass.

Description

The package design of extraction opening of multi-layer vacuum glass
Technical field
The invention belongs to the vacuum glass field, especially a kind of package design of extraction opening of multi-layer vacuum glass.
Background technology
Vacuum glass generally is divided into individual layer vacuum glass and multi-layer vacuum glass, is constituted and is formed a vacuum chamber by two-layer sheet glass, is called for short the individual layer vacuum glass; Abbreviate multi-layer vacuum glass as by the vacuum glass that glass constituted more than three layers, generally in the majority with three layers of vacuum glass.In the bleeding point packaging process of multi-layer vacuum glass, traditional method for packing is to place an extraction pipe between the adjacent two layers glass edge respectively, utilize this extraction pipe to connect negative pressure generator and introduce negative pressure to each vacuum chamber, the scorification extraction pipe carries out the sealing-in of each bleeding point then.The defective of this structure is: 1. vacuumizes and must in process furnace, carry out, and the necessary scorification of extraction pipe; 2. on each vacuum chamber on the vacuum glass finished product, all can retain the extraction pipe of one section scorification, very not attractive in appearance; 3. stay next extraction pipe between the adjacent glass at least, all there is gas leakage hidden danger in each extraction pipe, more is not easy to carrying and construction, causes the rising of scrap rate; 4. whole complex process, bad operation, cost is very high.Above-mentioned various defective has had a strong impact on being extensive use of of multi-layer vacuum glass, has hindered further developing of multi-layer vacuum glass.
By retrieval, still find no the new technology of closing the extraction opening of multi-layer vacuum glass encapsulation.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of simple in structure, seal good, the attractive in appearance package design of resistance to air loss from molten extraction opening of multi-layer vacuum glass.
The present invention solves its technical problem and is achieved through the following technical solutions:
A kind of package design of extraction opening of multi-layer vacuum glass, this multi-layer vacuum glass is by last sheet glass, on multilayer intermediate glass and the following sheet glass, following closed assembly constitutes, on, between the adjacent down glass standard support thing is installed all, edge between the adjacent glass all is equipped with glass powder with low melting point, on last sheet glass, be shaped on bleeding point, its cross-sectional shape is a taper hole, it is characterized in that: with made coaxial through hole or the taper hole of on the multilayer intermediate glass, all being shaped on of taper hole of last sheet glass, all be packaged with glass powder with low melting point in the made through hole of taper hole that last sheet glass is made and multilayer intermediate glass, perhaps at the made taper hole of last sheet glass and one spheroid all is installed the made taper hole bottom of multilayer intermediate glass and this spheroid seals by glass powder with low melting point.
And, with the taper hole of multilayer intermediate glass or through hole coaxial plane on the intermediate glass and down sheet glass on the plane all be shaped on an annular groove.
And the diameter of going up the made taper hole of oneself following multilayer intermediate glass of sheet glass certainly is equal to or less than the minimum diameter of the made taper hole of an adjacent last intermediate glass.
And, on last sheet glass, be shaped on getter and place mouth, it is step through-hole that this getter is placed mouth, place a mouthful coaxial step through-hole or the through hole of on the multilayer intermediate glass, all being shaped on the getter of last sheet glass, the step through-hole of multilayer intermediate glass is less than the step through-hole of a last intermediate glass, and going up sheet glass certainly has getter from all putting between adjacent glass down to following sheet glass.
And, for all putting on made each step through-hole of last sheet glass, multilayer intermediate glass a barrier sheet being arranged, getter is put in the barrier sheet below, and the glass powder with low melting point sealing is adopted in the barrier sheet top.
And described spheroid is the hard spheroid, its coefficient of linear expansion and last sheet glass basically identical, and the material of spheroid is high melting point glass and alloy spheroid etc., it is shaped as sphere, perhaps structure such as ellipse and water droplet shape.
Advantage of the present invention and beneficial effect are:
1. the bleeding point of this multi-layer vacuum glass only need be provided with one and can realize vacuumizing of its vacuum chamber, and the envelope point is few, good looking appearance, and gas leakage hidden danger is few.
The bleeding point of this multi-layer vacuum glass can adopt from molten mode voluntarily anury seal, be beneficial to the carrying construction, technology is simple, the production efficiency height, the level of automation height is particularly suitable for industrialization, mass-producing, standardized production.
3. the bleeding point of this multi-layer vacuum glass can adopt multiple packaged types such as glass powder with low melting point, glass powder with low melting point and spheroid, and the bleeding point sealing-in is reliable, has effectively improved the total quality level of vacuum glass.
4. each vacuum chamber of the single vacuum glass of this multilayer all can be provided with getter, has fully guaranteed the steady quality and the work-ing life of vacuum glass.
5. the bleeding point sealing-in of this multi-layer vacuum glass design can be adopted the solid encapsulation thing of hard spheroid as bleeding point, and this spheroid is material such as the making such as high melting point glass, alloy spheroid of adopting coefficient of linear expansion and vacuum glass basically identical.
6. one-piece construction of the present invention is simple; the bleeding point encapsulation is reliable; resistance to air loss is good, and gas leakage hidden danger is few, good looking appearance; can realize sealing voluntarily of bleeding point; simplify manufacture craft, improved the work-ing life of vacuum glass, reduced the breakage rate of vacuum glass; greatly promote the vacuum glass industrial expansion, be particularly suitable for industrialization, mass-producing, the standardized production of multi-layer vacuum glass.
Description of drawings
Fig. 1 is a front view of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to cross-sectional view;
Fig. 3 is the B portion enlarged diagram of Fig. 2;
Fig. 4 is the C portion enlarged diagram of Fig. 2;
Fig. 5 is second kind of bleeding point packing forms of the present invention synoptic diagram;
Fig. 6 is second kind of getter packing forms of the present invention synoptic diagram;
Fig. 7 is the third bleeding point packing forms synoptic diagram of the present invention;
Fig. 8 is the bleeding point packing forms synoptic diagram of four layers of vacuum glass of the present invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing and by specific embodiment, and following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
The package design of multi-layer vacuum glass gas port of the present invention, Fig. 1-Fig. 7 all is to be example with three layers of vacuum glass, Fig. 8 is that four layers of vacuum glass are example.
In the present invention, the setting of bleeding point is necessary, at least one; Being arranged on of getter is necessary sometimes in the multi-layer vacuum glass, and it is provided with not necessarily.
Embodiment 1:
Referring to Fig. 1-Fig. 4.
Multi-layer vacuum glass be by last sheet glass 2, multilayer intermediate glass and down sheet glass 7 constitute because present embodiment is formed three a layers of vacuum glass of closed assembly up and down, thus the multilayer intermediate glass be a slice promptly in sheet glass 6; Standard support thing 5 all is installed between the neighbouring glass, edge between the adjacent glass all is equipped with glass powder with low melting point 4, this glass powder with low melting point also can comprise the materials close with the coefficient of linear expansion of glass such as low melting point metal and some bonding agents, on last sheet glass, be shaped on bleeding point 1, its cross-sectional shape is the taper hole that has certain taper, quantity is generally one, also can be provided with a plurality ofly as required, and operated by rotary motion is in the edge corner positions; Also can be shaped on a getter in addition and place mouth 3.Just in the innovation of bleeding point and getter placement mouth, the concrete structure with regard to two technology is described below below in the present invention:
For bleeding point: with the made coaxial taper hole that also is shaped on middle sheet glass of taper hole of last sheet glass, this taper hole is less than the made taper hole of last sheet glass; With the made coaxial annular groove 10 that on middle sheet glass, is shaped on of taper hole of middle sheet glass.In the made taper hole bottom of middle sheet glass one spheroid 9 is installed, this spheroid is the hard spheroid, its coefficient of linear expansion and last sheet glass basically identical, the material of spheroid is high melting point glass and alloy spheroid etc., it is shaped as sphere, perhaps structure such as ellipse and water droplet shape is spherical in the present embodiment accompanying drawing.The taper hole bottom of sheet glass during spheroid is encapsulated in, in the taper hole above spheroid and on fill in the taper hole of sheet glass and be packaged with glass powder with low melting point 8, the made annular groove of middle sheet glass becomes the stop of going up the glass powder with low melting point between sheet glass and the middle sheet glass.That is: the encapsulation of middle sheet glass bleeding point is to adopt spheroid, and glass powder with low melting point is sealed; Be to adopt the glass powder with low melting point encapsulation between the bleeding point of last sheet glass and middle sheet glass and the last sheet glass.
Place mouth for getter: the coaxial step through-hole that all is shaped on the sheet glass in last sheet glass reaches, the step through-hole of middle sheet glass is less than the step through-hole of last sheet glass, between the step through-hole of middle sheet glass and following sheet glass, put getter 16 is arranged, putting on the middle sheet step through-hole has a barrier sheet 15, is packaged with glass powder with low melting point 14 in the middle sheet step through-hole above this barrier sheet; Putting on last sheet glass step through-hole has a barrier sheet 12, and putting between the glass powder with low melting point of this barrier sheet and middle sheet glass has a getter 13, is packaged with glass powder with low melting point 11 in the step through-hole above this barrier sheet.
The effect of getter is steady quality and the work-ing life that guarantees vacuum glass, and getter need be in last sheet glass, middle sheet glass and location setting between the sheet glass down.
Technology of the present invention is very simple, is underdrawed below:
For aspirating hole: will go up sheet glass and in sheet glass all make the taper hole of coaxial perforation as aspirating hole, to go up sheet glass, middle sheet glass and the parallel closed assembly of following sheet glass, place the solid support thing or the glass sphere of powder between two sheet glass, periphery setting-in glass powder with low melting point, be placed in the vacuum furnace, placing rack on sheet glass on the corresponding aspirating hole position by glass powder with low melting point setting-in spheroid, heats and vacuumizes in support.The negative pressure for the treatment of vacuum furnace reaches when temperature reaches 450 ℃ of left and right sides in requirement and the stove, the glass powder with low melting point fusing, make spheroid freely fall in the taper hole of sheet glass and encapsulate this taper hole, subsequently, sheet glass taper hole and seal this taper hole during the glass powder with low melting point water of fusing flows into, the glass powder with low melting point taper hole that encapsulates sheet glass again can be realized the automatic sealing-in of whole bleeding point subsequently.
Embodiment 2: referring to Fig. 5, Fig. 6.
Present embodiment is the bleeding point of second kind of form and the structure formation that getter is placed mouth.
For bleeding point: be that with the difference of embodiment 1 whole bleeding point all adopts glass powder with low melting point 17 encapsulation, be shaped on an annular groove 18 on the sheet glass down with middle sheet glass is co-axial, this annular groove is as the mobile stop of glass powder with low melting point between middle sheet glass and following sheet glass for this reason.
Place mouthful for getter: the step through-hole of sheet glass is changed into coaxial through-hole, vacuum intracavity holding one getter 19 in this through hole and between middle sheet glass and the following sheet glass in being with the difference of embodiment 1.
Present embodiment is not stated part and is same as embodiment 1.
Embodiment 3: referring to Fig. 7.
Present embodiment has only been described the third form of bleeding point, and it is unqualified to place mouth structure for getter.
Present embodiment is with the different of embodiment 1: the bottom also is equipped with a spheroid 21 in the taper hole of last sheet glass, and the attribute specification of this spheroid is identical with the spheroid that middle sheet glass is installed; This spheroid below and middle sheet glass between be packaged with glass powder with low melting point 22, be packaged with glass powder with low melting point 20 in the taper hole above this spheroid.
Other structures are same as embodiment 1.
Embodiment 4: referring to Fig. 8.
Present embodiment is the synoptic diagram of four layers of vacuum glass.
Structure in the present embodiment and embodiment 3 are similar, just below following sheet glass, increased the second layer glass 25 of multilayer intermediate glass, descending the coaxial taper hole of making on the sheet glass thus, this taper hole is less than the made taper hole of the first layer glass of intermediate glass, the bottom is equipped with spheroid 24 in this taper hole, is encapsulating filling glass powder with low melting point 23 above this spheroid and between the first layer intermediate glass spheroid.
Other are same as embodiment 3.
By measuring and calculating, every increase one deck vacuum glass, though cost increases by 40%, heat insulation thermal insulation usefulness can improve 200%.Therefore, applying of present patent application can greatly promote the vacuum glass industrial expansion.

Claims (6)

1. the package design of an extraction opening of multi-layer vacuum glass, this multi-layer vacuum glass is by last sheet glass, on multilayer intermediate glass and the following sheet glass, following closed assembly constitutes, on, between the adjacent down glass standard support thing is installed all, edge between the adjacent glass all is equipped with glass powder with low melting point, on last sheet glass, be shaped on bleeding point, its cross-sectional shape is a taper hole, it is characterized in that: with made coaxial through hole or the taper hole of on the multilayer intermediate glass, all being shaped on of taper hole of last sheet glass, all be packaged with glass powder with low melting point in the made through hole of taper hole that last sheet glass is made and multilayer intermediate glass, perhaps at the made taper hole of last sheet glass and one spheroid all is installed the made taper hole bottom of multilayer intermediate glass and this spheroid seals by glass powder with low melting point.
2. the package design of extraction opening of multi-layer vacuum glass according to claim 1 is characterized in that: with the taper hole of multilayer intermediate glass or through hole coaxial plane on the intermediate glass and down sheet glass on the plane all be shaped on an annular groove.
3. the package design of extraction opening of multi-layer vacuum glass according to claim 1 and 2 is characterized in that: go up sheet glass is equal to or less than the made taper hole of an adjacent last intermediate glass from the diameter of the made taper hole of following multilayer intermediate glass minimum diameter certainly.
4. the package design of extraction opening of multi-layer vacuum glass according to claim 1, it is characterized in that: on last sheet glass, be shaped on getter and place mouth, it is step through-hole that this getter is placed mouth, place a mouthful coaxial step through-hole or the through hole of on the multilayer intermediate glass, all being shaped on the getter of last sheet glass, the step through-hole of multilayer intermediate glass is less than the step through-hole of a last intermediate glass, and going up sheet glass certainly has getter from all putting between adjacent glass down to following sheet glass.
5. the package design of extraction opening of multi-layer vacuum glass according to claim 4, it is characterized in that: a barrier sheet is arranged for all putting on made each step through-hole of last sheet glass, multilayer intermediate glass, getter is put in the barrier sheet below, and the glass powder with low melting point sealing is adopted in the barrier sheet top.
6. the package design of extraction opening of multi-layer vacuum glass according to claim 1, it is characterized in that: described spheroid is the hard spheroid, its coefficient of linear expansion and last sheet glass basically identical, the material of spheroid is high melting point glass and alloy spheroid etc., it is shaped as sphere, perhaps structure such as ellipse and water droplet shape.
CNA2008100534304A 2008-06-05 2008-06-05 The package design of extraction opening of multi-layer vacuum glass Pending CN101597133A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2008100534304A CN101597133A (en) 2008-06-05 2008-06-05 The package design of extraction opening of multi-layer vacuum glass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2008100534304A CN101597133A (en) 2008-06-05 2008-06-05 The package design of extraction opening of multi-layer vacuum glass

Publications (1)

Publication Number Publication Date
CN101597133A true CN101597133A (en) 2009-12-09

Family

ID=41418761

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2008100534304A Pending CN101597133A (en) 2008-06-05 2008-06-05 The package design of extraction opening of multi-layer vacuum glass

Country Status (1)

Country Link
CN (1) CN101597133A (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102249565A (en) * 2011-04-28 2011-11-23 天津沽上真空玻璃制造有限公司 Installation structure of dual exhaust pipes with multiple vacuum glass
CN102503095A (en) * 2011-10-28 2012-06-20 天津森宇玻璃制造有限公司 Melt-sealing structure of vacuum glass exhaust holes in vacuum state
CN103420584A (en) * 2013-07-17 2013-12-04 戴长虹 Double-vacuum layer exhaust opening structure and manufacturing method thereof
CN103420579A (en) * 2013-07-17 2013-12-04 戴长虹 Air suction mouth of vacuum glass and manufacturing method thereof
CN103420592A (en) * 2013-07-17 2013-12-04 戴长虹 Vacuum glass extraction opening and manufacturing method
CN103420573A (en) * 2013-07-17 2013-12-04 戴长虹 Bent pipe sealing structure of extraction hole and manufacturing method thereof
CN103420580A (en) * 2013-07-17 2013-12-04 戴长虹 Placement structure for getter of double-vacuum layer glass and manufacturing method of placement structure
CN104291663A (en) * 2013-07-17 2015-01-21 戴长虹 Vacuumizing hole of vacuum glass and manufacturing method thereof
CN104291595A (en) * 2013-07-17 2015-01-21 戴长虹 Sealing structure of vacuum glass getter and manufacturing method thereof
CN104291627A (en) * 2013-07-17 2015-01-21 戴长虹 Vacuum glass air-exhaust port and manufacturing method thereof
CN104291622A (en) * 2013-07-17 2015-01-21 戴长虹 Structure of extraction opening and manufacturing method
CN104291707A (en) * 2013-07-17 2015-01-21 戴长虹 Sealing arrangement structure of getter in vacuum glass and manufacturing method thereof
CN104341094A (en) * 2014-10-31 2015-02-11 太阳真空玻璃有限公司 Energy-saving sheet material and manufacturing method thereof
WO2016065665A1 (en) * 2014-10-31 2016-05-06 太阳真空玻璃有限公司 Energy-saving sheet and manufacturing method therefor

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102249565A (en) * 2011-04-28 2011-11-23 天津沽上真空玻璃制造有限公司 Installation structure of dual exhaust pipes with multiple vacuum glass
CN102503095A (en) * 2011-10-28 2012-06-20 天津森宇玻璃制造有限公司 Melt-sealing structure of vacuum glass exhaust holes in vacuum state
CN104291595A (en) * 2013-07-17 2015-01-21 戴长虹 Sealing structure of vacuum glass getter and manufacturing method thereof
CN104291627A (en) * 2013-07-17 2015-01-21 戴长虹 Vacuum glass air-exhaust port and manufacturing method thereof
CN103420592A (en) * 2013-07-17 2013-12-04 戴长虹 Vacuum glass extraction opening and manufacturing method
CN103420573A (en) * 2013-07-17 2013-12-04 戴长虹 Bent pipe sealing structure of extraction hole and manufacturing method thereof
CN103420580A (en) * 2013-07-17 2013-12-04 戴长虹 Placement structure for getter of double-vacuum layer glass and manufacturing method of placement structure
CN104291663A (en) * 2013-07-17 2015-01-21 戴长虹 Vacuumizing hole of vacuum glass and manufacturing method thereof
CN103420584A (en) * 2013-07-17 2013-12-04 戴长虹 Double-vacuum layer exhaust opening structure and manufacturing method thereof
CN103420579A (en) * 2013-07-17 2013-12-04 戴长虹 Air suction mouth of vacuum glass and manufacturing method thereof
CN104291622A (en) * 2013-07-17 2015-01-21 戴长虹 Structure of extraction opening and manufacturing method
CN104291707A (en) * 2013-07-17 2015-01-21 戴长虹 Sealing arrangement structure of getter in vacuum glass and manufacturing method thereof
CN103420584B (en) * 2013-07-17 2016-08-10 戴长虹 Double-vacuum layer exhaust opening structure and manufacturing method thereof
WO2016065665A1 (en) * 2014-10-31 2016-05-06 太阳真空玻璃有限公司 Energy-saving sheet and manufacturing method therefor
CN104341094A (en) * 2014-10-31 2015-02-11 太阳真空玻璃有限公司 Energy-saving sheet material and manufacturing method thereof
CN104341094B (en) * 2014-10-31 2017-04-12 太阳真空玻璃有限公司 Energy-saving sheet material and manufacturing method thereof
US10486998B2 (en) 2014-10-31 2019-11-26 Icesun Vacuum Glass Ltd. Energy-saving plate and method for manufacturing the same

Similar Documents

Publication Publication Date Title
CN101597133A (en) The package design of extraction opening of multi-layer vacuum glass
CN201288133Y (en) Packaging structure for multi-layer vacuum glass pumping hole
CN109175746A (en) A kind of manufacturing process of vacuum heat-preserving titanium cup
CN204614790U (en) A kind of microminiaturized ceramic cartridge photodetector encapsulating structure
CN201288134Y (en) Packaging structure for single-vacuum glass pumping hole
CN105023679B (en) NTC thermistor graphite jig and its application method
CN201473455U (en) Encapsulated getter placed in vacuum glass
CN103824817A (en) Vacuum ceramic packaging structure of sensor
CN210635912U (en) Glass packaging mold for thin-wall metal tube shell
KR101647602B1 (en) Packaging pack and a process for the preparation thereof
CN102522343B (en) Microcomponent vacuum packaging exhaust device and method
CN106764253A (en) One kind is without flanging vacuum heat insulation materials and preparation method
CN201587907U (en) Sealing protection structure of vacuum glass exhaust pipe orifice
CN103745935B (en) A kind of vacuole-free transparent glass shell and metal sealing method
CN107319960A (en) The method and its Vacuum insulation bottle of a kind of Vacuum insulation bottle for preparing long lifespan
CN209750659U (en) Normal-temperature vacuumizing structure of titanium metal vacuum cup
CN110240422A (en) The method of the wedge-shaped self-tightening type airtight construction design of sound insulation vacuum glass
CN204039271U (en) A kind of packaging system for hot isostatic pressing Ceramic Balls jacket sintering process
CN207726014U (en) A kind of cool-bag that air-tightness is good
CN204857356U (en) NTC thermistor graphite jig
CN202405616U (en) Surge absorption tube
CN102637764B (en) Combined packaging structure available for working at profound hypothermia for detectors, and manufacturing method of combined packaging structure
CN201673277U (en) Aluminium nitride ceramic packaging part
KR101969810B1 (en) The multilayer vaccum glass
CN203733782U (en) TO-220HF waterproof seal lead frame

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Open date: 20091209