CN1785902A - Ceramic for glass forming mould - Google Patents
Ceramic for glass forming mould Download PDFInfo
- Publication number
- CN1785902A CN1785902A CNA2005101285517A CN200510128551A CN1785902A CN 1785902 A CN1785902 A CN 1785902A CN A2005101285517 A CNA2005101285517 A CN A2005101285517A CN 200510128551 A CN200510128551 A CN 200510128551A CN 1785902 A CN1785902 A CN 1785902A
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- glass
- forming die
- carbon
- forming
- ceramic
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/06—Construction of plunger or mould
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2215/00—Press-moulding glass
- C03B2215/02—Press-mould materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/963—Surface properties, e.g. surface roughness
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Products (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The invention provides a ceramic for a glass forming mold, comprising silicon carbide and carbon; wherein, 6-50 pts.wt. carbon per 100 pts.wt. silicon carbide is provided. The invention also relates to a glass forming mold and a manufacturing method made through the ceramic. The glass forming mold has the advantages of greatly reducing the cost of glass hard disc substrates and glass lenses.
Description
Technical field
The glass-forming die and the manufacture method thereof that the present invention relates to can be used in ceramic for glass forming mould in the moulding of glass hard disk substrate and glass lens etc., make by this pottery.
Background technology
As glass hard disk substrate and glass optical component the glass lens is to become desirable shape by extrusion forming under the condition of heating, and then carries out as required that surface grinding produces.
Because glass optical component requires to have very high precision, therefore, in order stably to obtain glass optical component by extrusion forming, require to have under forming mould excellent processability and the high temperature when glass is carried out extrusion forming scale resistance or erosion resistance, glass is presented inertia and release property is good, thus high precision and processing adding pressure surface reposefully easily.
For example, disclosing to improve release property before this is the technical scheme of purpose.In the clear 62-207726 communique of Japanese Patent Application Laid-Open, the glass-forming die of the carbon film with specific thicknesses is disclosed.In Japanese Patent Application Laid-Open 2000-72453 communique, disclose by the made glass model mold for forming of carborundum sintered body that is formed with silicon nitride film at the forming mould internal surface.In addition, in the flat 7-257933 communique of Japanese Patent Application Laid-Open, the glass-forming die that is obtained by silicon carbide system pottery is disclosed.
Summary of the invention
That is, the invention provides:
(1) a kind of ceramic for glass forming mould, it contains silicon carbide and carbon, wherein, contains the carbon of 6～50 weight parts with respect to the silicon carbide of 100 weight parts;
(2) glass-forming die of making by above-mentioned (1) described ceramic for glass forming mould; And
(3) use above-mentioned (1) described ceramic for glass forming mould to make the method for glass-forming die.
Embodiment
The present invention relates to release property good and also aspect wearability, also have the ceramic for glass forming mould of good high-durability, the glass-forming die made by this pottery and the manufacture method of this forming mould.
According to the present invention, it is good and also have a ceramic for glass forming mould of good high-durability aspect wearability to access release property, and the glass-forming die of being made by this pottery.
A maximum of ceramic for glass forming mould of the present invention (being also referred to as pottery hereinafter sometimes) is characterised in that: described pottery is the silicon carbide-carbon composite ceramics that contains silicon carbide and carbon according to specific ratio, has characteristics such as good release property and wearability, high-durability by this structure.In addition, so-called here release property is meant the release property when ceramic for glass forming mould uses as glass-forming die.
Specifically, contain silicon carbide and carbon in the pottery of the present invention, wherein, with respect to 100 weight part silicon carbide contain 6～50 weight parts, be preferably 10～40 weight parts, the carbon of 15～35 weight parts more preferably.
According to pottery of the present invention, with the representational prior art that is used to improve release property, for example as opening public technology in the 2000-72453 communique, the clear 62-207726 communique of Japanese Patent Application Laid-Open, spy constitute the technology difference of specific release layer at the forming mould internal surface, this specific layer of the not pattern of wants and only as long as obtain forming mould, then itself release property of the internal surface of this mould is exactly good, therefore, has the advantage of machine-shaping glass-forming die easily.
In addition, be to contain carbon in the pottery by making silicon carbide among the present invention, thereby and for example specially open that disclosed simple silicon carbide is the ceramic phase ratio in the flat 7-257933 communique, have better release property.
In addition, the material that is used in pottery of the present invention can use separately respectively or mix two or more and use aptly.
Employed silicon carbide forms the matrix of pottery in the pottery of the present invention, and can be α, beta crystal any.In addition, its purity has no particular limits, but from making its agglomerating viewpoint to high-density, preferably its purity be 90 weight % or above, more preferably 95 weight % or more than.Consider that from the aspect that coking property is good the form of silicon carbide preferably median size is 5 μ m or following powder.
Preferred pottery of the present invention only is made of the silicon carbide and the carbon source of the purity of above-mentioned proper range, but can also contain composition arbitrarily such as carbide beyond the silicon carbide in the scope of not damaging effect of the present invention.
In addition, the described median size of this specification sheets for example can adopt laser diffraction/scattered light formula particle size distribution analyzer (the hole field makes manufacturing, LA720) measures.
Carbon in the pottery of the present invention is carbon simple substance, and comprises crystalline phase and/or amorphous phase.Specifically, as the simple substance of carbon, can list decolorizing carbon, graphite etc.The crystalline phase of these simple substance is being measured by the laser raman optical spectroscopy in the spectrum obtain, with 1580cm
-1Neighbouring is the 1450～1700cm at center
-1The place has the peak, and, as crystalline texture, can list for example graphite mould plane hexagonal structure, diamond structure etc., but not special restriction.In addition, amorphous phase is with 1360cm
-1Neighbouring is the 1300～1450cm at center
-1The place has the peak.
Pottery of the present invention and be used for the existing ceramic phase ratio of glass-forming die, by the content with carbon be set at respect to 100 weight part silicon carbide be 6 weight parts or more than, the good release property that can realize in the prior art failing to realize.In addition, be 50 weight parts or following by carbon being set at respect to 100 weight part silicon carbide, can also realize advantages of good abrasion.
And then from guaranteeing high strength and high the two the viewpoint of toughness of destroying simultaneously, the peak area ratio (crystalline phase/amorphous phase) of the laser raman spectrophotometric intensity of the crystalline phase of above-mentioned carbon and amorphous phase is preferably 1～10 in the pottery of the present invention, more preferably 1～5.Can think that this peak area ratio is equivalent to the degree of graphitization of carbon,, just can realize good intensity and destroy toughness if should be worth in above-mentioned suitable scope.In spectrographic is measured, use for example argon laser raman light-dividing device of NEC Corporation's manufacturing.
Pottery of the present invention is by containing the carbon of above-mentioned specified quantitative, thereby not only release property is good, but also can guarantee sufficient mechanical (intensity, hardness, destruction toughness, frictional coefficient, wearability etc.), and these sufficient mechanical be existing known high-carbon content pottery irrealizable.This characteristic helps to realize the weather resistance of pottery of the present invention.
Pottery of the present invention is except machine-shaping glass-forming die easily, also rely on this characteristic, for giving glass-forming die its common desired characteristic, for example to the chemical stability of high temp glass (oxidation-resistance, erosion resistance, to the inertia of glass) and wearability, very big contribution is arranged with the release property of glass, surface smoothing etc.
The manufacture method of glass-forming die of the present invention is used pottery of the present invention.Manufacture method as glass-forming die, for example can list, carry out pre-burning by raw mix to pottery of the present invention, then it is shaped to needed forming mould, then carry out sintering, and the manufacture method that the internal surface of the mould that is made of resulting ceramic sintered bodies (silicon carbide-carbon composite ceramics) is ground.
In the manufacturing of glass-forming die of the present invention, preferably carbon source generated the carbon simple substance in the pottery by suitable in manufacturing process.That is, with above-mentioned silicon carbide, carbon source described later and as required common employed additive etc. (sintering aids such as for example known boron compound, titanium compound, aluminum compound, yttrium oxide compound etc.) carry out wet mixing and carry out pre-burning.Be converted into the monomer of carbon by this pre-burning operation carbon source.The blending ratio of each raw material in the time of can be to wet mixing is carried out suitable adjustment, so that the composition of resulting pottery reaches above-mentioned scope.
Wet mixing can use ball mill, oscillatory type masher, planetary masher to carry out.In addition,, be preferably organic solvent, for example aromatic solvent such as benzene,toluene,xylene as employed solvent; Alcoholic solvent such as methyl alcohol, ethanol; Ketones solvents such as methyl ethyl ketone etc.As other solvent, can make the mixed solvent of water, water and above-mentioned organic solvent etc.
The pre-burning of the mixture after the wet mixing can be carried out in accordance with known methods, but from the free sintering that makes employed carbon source be converted into carbon simple substance fully and prevent particle to keep the viewpoint of good dispersiveness, preferably by under inert atmosphere (for example under the atmosphere such as nitrogen, argon gas) heat-treat in 150～800 ℃ and carry out.
As above-mentioned carbon source, so long as have solubility or dispersiveness in the employed above-mentioned organic solvent in wet mixing, and the carbon source that can be converted into carbon under above-mentioned pre-burning condition gets final product not special restriction.As carbon source, be under the situation of pressed powder for example when it, preferably median size is the material about 0.1～100 μ m.The high aspect of transformation efficiency that is converted into carbon after the pre-burning considers that this carbon source is preferably aromatic hydrocarbon, can list for example furane resin, resol, coal tar pitch etc., wherein more preferably uses resol, coal tar pitch.
Then, as required the mixture after the pre-burning is carried out granulation, then it is shaped to forming mould.Moulding can be carried out by the following method: adopt for example mould forming method, injection, CIP method (isostatic cool pressing method (COLD ISOSTATIC PRESS)) formation block, and made the formed body of mold for forming as required by this block through mechanical workout.In addition, glass-forming die of the present invention comprises that all or part of of glass contact face of glass-forming die has been to use the glass-forming die of the formed body of ceramic particle of the present invention.For example, the either party of the former of the glass-forming die be made up of former and formpiston or formpiston can be arranged to use the formed body of ceramic particle of the present invention.Like this, all or part of of the whole or glass contact face of glass-forming die of the present invention is made by ceramic for glass forming mould of the present invention.
Then, resulting formed body is supplied to sintering circuit.Sintering can carry out in accordance with known methods, but preferably carries out under 1800～2300 ℃ temperature under inert atmosphere or under vacuum.If sintering temperature is in this scope, then mechanical characteristicies such as the density of sintered compact and intensity, hardness can become good.As sintering method, for example in order to make the sintered compact densification can use hot pressing, HIP method (hot isostatic pressing method (HOT ISOSTATIC PRESS)) etc.
Grind as required on the surface with respect to internal surface (with the surface of glass contact) to the forming mould made by the silicon carbide-carbon composite ceramics that obtains as mentioned above, just obtains final glass-forming die.Abrasive method does not have special restriction, but owing to this pottery is a high hardness material, the abrasive particle outside the use diamond grinds the time that then needs can be elongated, and therefore preferred employing diamond abrasive grain grinds.From guaranteeing the viewpoint of the glasswork that surface smoothing glass-forming die and surface glass contact can directly use so that need not grind after accessing moulding, the median size of preferred employed diamond abrasive grain is 2 μ m or following.
Can obtain needed glass-forming die by aforesaid method.For example adopting the HIP method to carry out under the agglomerating situation, can obtain constituting the silicon carbide-carbon composite ceramics of this forming mould with the form of very highdensity sintered compact.From giving the viewpoint of the good smoothness of glass surface, the relative density of preferred glass forming mould is higher, specifically, preferably its relative density be 95% or more than, more preferably 98% or more than.In addition, relative density can be tried to achieve divided by theoretical density with tap density.In addition, tap density is measured according to JIS R1634.This external pottery is under the situation about being made of a plurality of compositions, calculates content (weight %) ÷ 100 of theoretical density * each composition of each composition, and with the value of such each composition that obtains and as the theoretical density of this ceramic integral.
In addition, glass hard disk substrate that hope use forming mould of the present invention is made and glass lens etc. can directly use without grinding after moulding, therefore just wish that the surfaceness with surface glass contact forming mould becomes smooth as much as possible.Specifically, the surperficial center line average roughness Ra of this of forming mould is preferably 1～200nm, more preferably 1～50nm, more preferably 3～20nm.In addition, can obtain center line average roughness Ra by JIS B0651.
Glass-forming die of the present invention has good wearability, and very little with the reactivity of glass.In addition, good with the release property of glass, the glass after the moulding has does not need to carry out the surface smoothing that this degree is ground in the back in fact.Moreover, even prolonged and repeated use can not cause that also chap in the surface of mould or the demoulding is bad, can bring into play high-durability.Therefore, according to glass-forming die of the present invention, can reduce the moulding cost of glass hard disk substrate or glass lens etc.
Embodiment
Embodiment 1～6 and comparative example 1～3
Use the carbon source shown in the vibromill his-and-hers watches 1, silicon B-carbide (purity 98 weight %) that median size is 5 μ m and the B of 2 weight % as sintering aid
4C carries out the ethanol wet mixing, in argon gas atmosphere in 600 ℃ of pre-burnings 1.5 hours.Mixture forming after adopting the CIP method with pre-burning is a block, uses the NC processing machine that resulting block is processed, and forms the glass lens glass-forming die, in argon gas atmosphere in 2200 ℃ of sintering 4 hours.Using median size is that forming mould after to sintering of the diamond abrasive grain of 0.5 μ m grinds with surface glass contact, obtains final glass-forming die.In addition, in table 1, resol is that novolac type, residual ash rate 49 are weight %, and the residual ash rate of coal tar pitch is 53 weight %.In addition, carbon content is represented the content with respect to the carbon of 100 weight part silicon carbide.
Estimate with regard to following characteristic at resulting glass-forming die.Evaluation result is all as shown in table 1.
(1) laser raman ratio
The argon laser raman spectroscopy device that adopts NEC Corporation to make is tried to achieve the laser raman ratio, i.e. the peak area ratio (crystalline phase/amorphous phase) of the crystalline phase of carbon and noncrystalline laser raman spectrophotometric intensity mutually.
(2) relative density
Obtain tap density by JIS R1634, and with it divided by theoretical density, try to achieve relative density.
(3) show roughness
The roughmeter that uses the development of little slope skill to make is measured surfaceness according to JIS, promptly with the center line average roughness Ra on the surface of glass contact.
(4) release property
Use glass-forming die to make glass lens, estimate as follows from the release property of the glass-forming die of glass lens.That is, under 700 ℃ heating condition, by applying 300kg/cm
2Load with the moulding of lens glass sheet, the release property with 100 times when continuously shaped is also estimated according to following judgement criteria.
[judgement criteria]
◎: all demonstrate good release property 100 times
Have in zero: 100 time that 1 time the demoulding to have taken place bad
△: it is bad that 2～4 demouldings have taken place in 100 times
*: taken place in 100 times 5 times or more times demoulding bad
(5) weather resistance
By the surface and the roughness of the forming mould after the test of visual observation above-mentioned (4), and weather resistance is estimated according to following judgement criteria.
[judgement criteria]
◎: the surface does not have muddy, and the roughness no change
Zero: the surface does not have muddy, and can confirm to have some roughness to change
△: there is the part muddiness on the surface and can confirms to have some roughness to change
*: the surface is muddy comprehensively and can confirm that roughness changes
Table 1
| Carbon source | Carbon content (weight part) | The laser raman ratio | Relative density (%) | Surfaceness (nm) | Release property | Weather resistance | |
| Embodiment 1 | Resol | 10 | 1.2 | 99 | 7 | ○ | ◎ |
| Embodiment 2 | Coal tar pitch | 15 | 1.5 | 98 | 9 | ○ | ◎ |
| Embodiment 3 | Resol | 20 | 1.3 | 97 | 8 | ◎ | ○ |
| Embodiment 4 | Coal tar pitch | 20 | 2.5 | 96 | 11 | ◎ | ○ |
| Embodiment 5 | Coal tar pitch | 30 | 2.1 | 96 | 10 | ◎ | ○ |
| Embodiment 6 | Coal tar pitch | 40 | 3.5 | 95 | 13 | ○ | ○ |
| Comparative example 1 | Resol | 2 | Can't measure | 99 | 6 | × | △ |
| Comparative example 2 | Resol | 5 | 0.6 | 98 | 9 | △ | △ |
| Comparative example 3 | Coal tar pitch | 60 | 2.9 | 89 | 29 | × | × |
As shown in Table 1, with compare by the forming mould of the ceramic made comparative example 1～3 of carbon content outside scope of the present invention, have better release property and weather resistance by the glass-forming die of the made embodiment 1～6 of the pottery of the present invention of the carbon that contains specified quantitative with respect to silicon carbide.
By the present invention, provide release property good and also aspect mar proof, also have the ceramic for glass forming mould of good high-durability, the glass-forming die that consisted of by this pottery and the manufacture method of this mould. Glass-forming die of the present invention can reduce the moulding cost of glass hard disk substrate and glass lens etc. greatly.
Claims (11)
1, a kind of ceramic for glass forming mould, it contains silicon carbide and carbon, wherein, contains the carbon of 6～50 weight parts with respect to the silicon carbide of 100 weight parts.
2, ceramic for glass forming mould as claimed in claim 1, wherein, the peak area ratio of the laser raman spectrophotometric intensity of the crystalline phase of carbon and amorphous phase is 1～10.
3, the glass-forming die of making by the described ceramic for glass forming mould of claim 1.
4, glass-forming die as claimed in claim 3, wherein, all or part of of this glass-forming die made by ceramic for glass forming mould.
5, the glass-forming die of making by the described ceramic for glass forming mould of claim 2.
6, glass-forming die as claimed in claim 5, wherein, all or part of of the whole or glass contact face of this glass-forming die made by ceramic for glass forming mould.
7, glass-forming die as claimed in claim 3, wherein, the relative density of this glass-forming die be 95% or more than.
8, glass-forming die as claimed in claim 5, wherein, the relative density of this glass-forming die be 95% or more than.
9, glass-forming die as claimed in claim 3, wherein, with the center line average roughness Ra on the surface of glass contact be 1～200nm.
10, a kind of method of using the described ceramic for glass forming mould of claim 1 to make glass-forming die.
11, a kind of pottery is used for the purposes of glass-forming die, and this pottery contains silicon carbide and carbon, wherein, contains the carbon of 6～50 weight parts with respect to the silicon carbide of 100 weight parts.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004353306 | 2004-12-06 | ||
| JP353306/2004 | 2004-12-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1785902A true CN1785902A (en) | 2006-06-14 |
| CN100515970C CN100515970C (en) | 2009-07-22 |
Family
ID=36783522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101285517A Expired - Fee Related CN100515970C (en) | 2004-12-06 | 2005-11-30 | Glass forming mould |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR20060063667A (en) |
| CN (1) | CN100515970C (en) |
| MY (1) | MY139781A (en) |
| TW (1) | TWI455893B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363552A (en) * | 2011-08-09 | 2012-02-29 | 苏州卡波尔模具科技有限公司 | Glass molding mould |
| CN102408235A (en) * | 2011-08-09 | 2012-04-11 | 苏州卡波尔模具科技有限公司 | Preparation method of glass shaping mold |
| CN104527303A (en) * | 2014-12-17 | 2015-04-22 | 江门市江海区金达玻璃文化有限公司 | Process for manufacturing glass craft by using ceramic mold |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5458463B2 (en) * | 2006-07-03 | 2014-04-02 | 住友電気工業株式会社 | Manufacturing method of ceramic optical parts |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2968293B2 (en) * | 1989-12-28 | 1999-10-25 | 花王株式会社 | Method for producing silicon carbide carbon composite ceramics compact |
| JPH11255523A (en) * | 1998-03-09 | 1999-09-21 | Taiheiyo Cement Corp | Mold for forming glass mold and its production |
-
2005
- 2005-11-21 KR KR1020050111160A patent/KR20060063667A/en not_active Application Discontinuation
- 2005-11-30 CN CNB2005101285517A patent/CN100515970C/en not_active Expired - Fee Related
- 2005-12-02 TW TW094142670A patent/TWI455893B/en not_active IP Right Cessation
- 2005-12-05 MY MYPI20055667A patent/MY139781A/en unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363552A (en) * | 2011-08-09 | 2012-02-29 | 苏州卡波尔模具科技有限公司 | Glass molding mould |
| CN102408235A (en) * | 2011-08-09 | 2012-04-11 | 苏州卡波尔模具科技有限公司 | Preparation method of glass shaping mold |
| CN104527303A (en) * | 2014-12-17 | 2015-04-22 | 江门市江海区金达玻璃文化有限公司 | Process for manufacturing glass craft by using ceramic mold |
Also Published As
| Publication number | Publication date |
|---|---|
| MY139781A (en) | 2009-10-30 |
| CN100515970C (en) | 2009-07-22 |
| KR20060063667A (en) | 2006-06-12 |
| TW200621659A (en) | 2006-07-01 |
| TWI455893B (en) | 2014-10-11 |
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