WO2007138403A1 - Method for producing stratified glass and stratified glass so obtained - Google Patents
Method for producing stratified glass and stratified glass so obtained Download PDFInfo
- Publication number
- WO2007138403A1 WO2007138403A1 PCT/IB2007/001236 IB2007001236W WO2007138403A1 WO 2007138403 A1 WO2007138403 A1 WO 2007138403A1 IB 2007001236 W IB2007001236 W IB 2007001236W WO 2007138403 A1 WO2007138403 A1 WO 2007138403A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- template
- sheet
- glass
- glass material
- stratified
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
- B32B17/10889—Making laminated safety glass or glazing; Apparatus therefor shaping the sheets, e.g. by using a mould
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/025—Re-forming glass sheets by bending by gravity
- C03B23/0252—Re-forming glass sheets by bending by gravity by gravity only, e.g. sagging
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/4097—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using design data to control NC machines, e.g. CAD/CAM
- G05B19/4099—Surface or curve machining, making 3D objects, e.g. desktop manufacturing
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/36—Nc in input of data, input key till input tape
- G05B2219/36248—Generate automatically machining, stitching points from scanned contour
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/45—Nc applications
- G05B2219/45009—Glassforming
Definitions
- the present invention relates to the production of glass and, in particular, it relates to a method for making stratified glass.
- the invention relates to a stratified glass made with this method. Description of the prior art
- Stratified glass products exist comprising two or more glass sheets coupled by interposing an adhesive layer, for example PVB (polyvinyl-butyral) , forming a >x sandwich".
- PVB polyvinyl-butyral
- the stratified glass of the prior art provides the use of either substantially plane sheets or glass layers having a single angle of curving the glass. Since during the processes for curving the glass high internal stresses are generated thus creating weak points, their functionality as stratified glass is jeopardized.
- the known glass curving processes provide three steps in quick succession.
- a first step of heating the glass up to a softening temperature of the same a second step of curving the glass, and a third step of quick cooling the glass, also called tempering.
- the step of curving the glass can be made causing a glass sheet to slide in a horizontal plane on which it is curved by means of moulds, or by shields, or by deforming the sliding plane.
- the step of cooling the glass from about 550 0 C to about 45O 0 C high stresses are created. Between these temperatures it is relevant not to have a quick heat loss and to cool the glass with predetermined time and mode.
- the glass is, in fact, a bad heat conductor and it is important that all the glass cools uniformly, following a very slow cooling time.
- stresses are created at the points of contact with the mould, which is of a material different from glass, usually steel and iron, and thus gets cooler in a different time.
- the product is heated again up to about 550° C without the mould causing it to follow again the above cooling timeline. This allows reducing residue stresses by the production process.
- the curved glass obtained as above described have usually a single radius of curvature and therefore it is not possible to provide glass elements with portions having different curvatures, in particular, to follow desired patterns.
- the second sheet can be also of glass material obtained through the following steps:
- the second sheet at the end of the process of deformation as above described presents a relief figure having size that matches the figure of the first sheet.
- the first and the second sheets coupling the respective relief figures and then using a substantially fixed thickness of glue for a steady fastening.
- This provides a stratified glass having desired shape, weight and encumbrance.
- the or each three-dimensional template having a determined shape can be made by a machine equipped with a cutting tool that is moved in three different directions for sculpturing a block of refractory material.
- the machine is a pantograph carving machine that, starting from a preliminarily profiled three-dimensional model, for example by a sculptor, makes the template reproducing the shape of the model in a determined scale, in particular an enlarged scale.
- An exemplary embodiment provides that the machine pilots the tool along a trajectory generated on the basis of a digital model.
- the digital model can be made by CAD.
- the digital model can be made by a 3D scanner that scans a real three-dimensional object.
- the refractory material is selected from the group comprised of: clay;
- the refractory material is fibreclay.
- the sheet of glass material relief figure is subject to finishing steps, in particular, for application of colour techniques according to the glass industry.
- a stratified glass comprises:
- the stratified glass has the first and the second sheets having relief figures on respective sides to which respective recesses correspond on the other sides.
- relief figures of the first and the second sheets are sized according to a predetermined dimensional ratio.
- FIG. 1 shows a perspective view of a possible apparatus for carrying out the method for making stratified glass, according to the invention
- FIGS. 2 and 3 show diagrammaticalIy a perspective view of two possible preliminary operations provided by the method for making stratified glass, according to the invention
- - Figure 4 shows a perspective elevation front view of the step of introducing a template and a glass sheet in an oven for glass;
- FIG. 5 shows a perspective view of a semi finished product obtained with the method according to the invention
- FIG. ⁇ shows a cross sectional view according to arrows VI-VI of the semi finished product of figure 5 with the template close to it;
- FIG. 7 shows a cross sectional view according to arrows VI-VI of the semi finished product of figure 5 from which the template has been withdrawn;
- FIG. 8 and 9 show a cross sectional view according to arrows VI-VI two exemplary embodiments of the stratified glass obtained with the method according to the invention.
- a possible embodiment of the method for making stratified glass starts from a template 20 of refractory material, for example fibreclay, made starting from a block 30.
- Template 20 can be carved by a tool 55 moved by a machine 50 along a determined trajectory.
- This trajectory can be generated by a computer 60 on the basis of a digital model 65 and made, for example, by a combination of movements of tool 55 with respect to block 30, along orthogonal axes 51, 52 and 53.
- tool 55 is mounted on a tool holder 56 connected to a carriage 57 sliding along a guide 58 parallel to axis 52.
- model 65 can be made by CAD.
- model 65 can be obtained through three-dimensional scanning of an object 1, which has been preliminarily carved, for example by a sculptor 40 (figure 2) .
- the scanning step of three-dimensional object 1 can be accomplished by a 3D scanner 80, for example of the laser type (figure 3) .
- template 20 reproduces the shape of digital model 65, or of three-dimensional object 1, in a chosen scale.
- Template 20 reproducing the shape of digital model 65 or of three-dimensional object 1, is put in an oven for glass 100, for example on a support 101. Then, a sheet of glass material 10 is arranged on template 20. Then, the temperature of oven 100 is raised to a determined value, in general higher than the softening temperature of the glass material, for a certain time. During this operative step, the softening of the glass material brings the portion of plate 10 located at template 20 in intimate contact with it. This way, on a portion of plate 10, after cooling, a relief figure 11 is obtained reproducing the shape of template 20.
- the semi finished product 15 thus obtained (figure 5) is then coupled to a second sheet 10' by a layer of transparent glue 45, for example a polyester resin, or PVB, to provide a stratified glass 35 with high artistic content.
- a layer of transparent glue 45 for example a polyester resin, or PVB
- plate 10' can be also subject to a procedure similar to that used for plate 10 (figure 9) .
- a template 20' used for forming plate 10' is made starting from the same model 65 used for sculpturing template 20, but with a different dimensional ratio. This allows to match with each other semi finished product 15 and semi finished product 25, obtained from plate 10', by a substantially homogeneous resin layer 45.
Abstract
The method for making stratified glass starts with making a template (20) of refractory material, for example fibreclay, starting from a block (30). The template (20) can be carved by a tool (55) moved by a machine (50) along a calculated trajectory. This trajectory can be generated by a computer (60) on the basis of a model (65). The template (20) reproducing the shape of the digital model (65) is, then put in an oven for glass (100), for example on a support (101). Then, a sheet of glass material (10) is arranged on the template (20) and the temperature of the oven (100) is raised to a determined value, in general higher than the softening temperature of the glass material, for a certain time. The softening of the glass material brings the portion of the plate (10) located at the template (20) in intimate contact with it. This way, on a portion of the plate (10), after cooling, a relief figure (11) is obtained reproducing the shape of the template (20). The sheet is then coupled to a second sheet by interposing a bonding material. Also the second sheet can be obtained with the same process, obtaining a relief stratified glass.
Description
TITLE
METHOD FOR PRODUCING STRATIFIED GLASS AND STRATIFIED
GLASS SO OBTAINED
DESCRIPTION Field of the invention
The present invention relates to the production of glass and, in particular, it relates to a method for making stratified glass.
Furthermore, the invention relates to a stratified glass made with this method. Description of the prior art
Stratified glass products exist comprising two or more glass sheets coupled by interposing an adhesive layer, for example PVB (polyvinyl-butyral) , forming a >xsandwich".
In particular, the stratified glass of the prior art provides the use of either substantially plane sheets or glass layers having a single angle of curving the glass. Since during the processes for curving the glass high internal stresses are generated thus creating weak points, their functionality as stratified glass is jeopardized.
In particular, the known glass curving processes provide three steps in quick succession. A first step of heating the glass up to a softening temperature of the same, a second step of curving the glass, and a third step of quick cooling the glass, also called tempering. The step of curving the glass can be made causing a glass sheet to slide in a horizontal plane on which it is curved by means of moulds, or by shields, or by deforming the sliding plane.
During the step of cooling the glass, from about 5500C to about 45O0C high stresses are created. Between these temperatures it is relevant not to have a quick heat loss and to cool the glass with predetermined time and mode. The glass is, in fact, a bad heat conductor and it is important that all the glass cools uniformly, following a very slow cooling time. However stresses are created at the points of contact with the mould, which is of a material different from glass, usually steel and iron, and thus gets cooler in a different time. Usually, for eliminating the stresses that would weaken the glass, the product is heated again up to about 550° C without the mould causing it to follow again the above cooling timeline. This allows reducing residue stresses by the production process.
However, the curved glass obtained as above described have usually a single radius of curvature and therefore it is not possible to provide glass elements with portions having different curvatures, in particular, to follow desired patterns.
Summary of the invention
It is therefore a feature of the invention to provide a method for making stratified glass adapted to overcome the disadvantages of the prior art.
It is also a feature of the invention to provide a method for making stratified glass that provides stratified glass having a surface with different glass curvatures. It is another feature of the invention to provide a method for making stratified glass having a high artistic content without affecting its solidity.
It is a particular feature of the invention to provide a stratified glass with the above described advantages .
These and other features are accomplished with one exemplary method for making stratified glass, according to the invention, comprising the following steps:
- making a three-dimensional template reproducing in a determined scale a model having a desired shape,, the template being made starting from a block of refractory material;
- introducing said template in a heating chamber;
- arranging a first sheet of glass material in said heating chamber with a first side of said sheet that rests on said template;
- raising the temperature in said heating chamber higher than the softening temperature of said glass material for a determined time, causing said sheet to soften and to deform thus contacting intimately said template;
- separating said first sheet from said template, thus obtaining on said first sheet, at a second side opposite to the first side, a figure reproducing at least one part of said shape of said template, and a corresponding recess on said first side;
- coupling said first sheet with a second sheet by interposing a bonding material.
In particular, the second sheet can be also of glass material obtained through the following steps:
- making a second template reproducing the model and having a determined scale with respect to the first template, the second template being made starting from a block of refractory material;
introducing the second template in the heating chamber;
- arranging the second sheet of glass material in the heating chamber with a first side that rests on the template;
- raising the temperature in said heating chamber higher than the softening temperature of the glass material for a determined time, causing said second sheet to soften and to deform thus contacting intimately said second template;
- separating the second sheet from the second template, thus obtaining on the second sheet at a second side a figure reproducing at least one part of the side surface of the second template to which a recess corresponds on the first side-
Therefore also the second sheet at the end of the process of deformation as above described presents a relief figure having size that matches the figure of the first sheet. This way, it is possible to arrange the first and the second sheets coupling the respective relief figures and then using a substantially fixed thickness of glue for a steady fastening. This provides a stratified glass having desired shape, weight and encumbrance. In particular, the or each three-dimensional template having a determined shape can be made by a machine equipped with a cutting tool that is moved in three different directions for sculpturing a block of refractory material. Advantageously, the machine is a pantograph carving machine that, starting from a preliminarily profiled three-dimensional model, for example by a sculptor, makes the template reproducing the shape of
the model in a determined scale, in particular an enlarged scale.
An exemplary embodiment provides that the machine pilots the tool along a trajectory generated on the basis of a digital model.
In this case, the digital model can be made by CAD.
Alternatively, the digital model can be made by a 3D scanner that scans a real three-dimensional object.
Advantageously, the refractory material is selected from the group comprised of: clay;
- fibreclay. Preferably, the refractory material is fibreclay.
Advantageously, the sheet of glass material relief figure is subject to finishing steps, in particular, for application of colour techniques according to the glass industry.
According to another aspect of the invention, a stratified glass comprises:
- a first sheet of glass material;
- a second sheet of glass material; - a layer of glue located between the first and the second sheet; wherein at least one among the first and the second sheets has on one side a relief figure to which a recess corresponds on the other side. In a preferred exemplary embodiment, the stratified glass has the first and the second sheets having relief figures on respective sides to which respective recesses correspond on the other sides. In particular, relief figures of the first and the
second sheets are sized according to a predetermined dimensional ratio.
Brief description of the drawings The invention will be now illustrated with the following description of an exemplary embodiment thereof, exemplifying but not limitative, with reference to the attached drawings wherein:
- Figure 1 shows a perspective view of a possible apparatus for carrying out the method for making stratified glass, according to the invention;
- Figures 2 and 3 show diagrammaticalIy a perspective view of two possible preliminary operations provided by the method for making stratified glass, according to the invention; - Figure 4 shows a perspective elevation front view of the step of introducing a template and a glass sheet in an oven for glass;
- Figure 5 shows a perspective view of a semi finished product obtained with the method according to the invention;
- Figure β shows a cross sectional view according to arrows VI-VI of the semi finished product of figure 5 with the template close to it;
- Figure 7 shows a cross sectional view according to arrows VI-VI of the semi finished product of figure 5 from which the template has been withdrawn;
- Figures 8 and 9 show a cross sectional view according to arrows VI-VI two exemplary embodiments of the stratified glass obtained with the method according to the invention.
Description of the preferred embodiments With reference to figures from 1 to 4, a possible embodiment of the method for making stratified glass, according to the invention, starts
from a template 20 of refractory material, for example fibreclay, made starting from a block 30. Template 20 can be carved by a tool 55 moved by a machine 50 along a determined trajectory. This trajectory can be generated by a computer 60 on the basis of a digital model 65 and made, for example, by a combination of movements of tool 55 with respect to block 30, along orthogonal axes 51, 52 and 53. In the case shown in figure 1, tool 55 is mounted on a tool holder 56 connected to a carriage 57 sliding along a guide 58 parallel to axis 52. In particular, guide 58 has an end movable on rails 59 parallel to axis 53 and integral to a base 71. The latter is sliding along a guide 72 parallel to axis 51. Model 65 can be made by CAD. Alternatively, according to another possible embodiment, model 65 can be obtained through three-dimensional scanning of an object 1, which has been preliminarily carved, for example by a sculptor 40 (figure 2) . The scanning step of three-dimensional object 1 can be accomplished by a 3D scanner 80, for example of the laser type (figure 3) .
In all the exemplary embodiments of the invention as above described, template 20 reproduces the shape of digital model 65, or of three-dimensional object 1, in a chosen scale.
Template 20, reproducing the shape of digital model 65 or of three-dimensional object 1, is put in an oven for glass 100, for example on a support 101. Then, a sheet of glass material 10 is arranged on template 20. Then, the temperature of oven 100 is raised to a determined value, in general higher than the softening temperature of the glass material, for a certain time.
During this operative step, the softening of the glass material brings the portion of plate 10 located at template 20 in intimate contact with it. This way, on a portion of plate 10, after cooling, a relief figure 11 is obtained reproducing the shape of template 20.
The semi finished product 15 thus obtained (figure 5) is then coupled to a second sheet 10' by a layer of transparent glue 45, for example a polyester resin, or PVB, to provide a stratified glass 35 with high artistic content.
For having a substantially homogeneous resin layer 45 and for optimizing weight and encumbrance of stratified glass 35, plate 10' can be also subject to a procedure similar to that used for plate 10 (figure 9) . In this case, a template 20' used for forming plate 10' , is made starting from the same model 65 used for sculpturing template 20, but with a different dimensional ratio. This allows to match with each other semi finished product 15 and semi finished product 25, obtained from plate 10', by a substantially homogeneous resin layer 45.
The foregoing description of a specific embodiment will so fully reveal the invention according to the conceptual point of view, so that others, by applying current knowledge, will be able to modify and/or adapt for various applications such an embodiment without further research and without parting from the invention, and it is therefore to be understood that such adaptations and modifications will have to be considered as equivalent to the specific embodiment. The means and the materials to realise the different functions described herein could have a different nature without, for this reason,
departing from the field of the invention. It is to be understood that the phraseology or terminology employed herein is for the purpose of description and not of limitation.
Claims
1. Method for making stratified glass characterised in that it comprises the following steps:
- making a three-dimensional template reproducing in a determined scale a model having a desired shape, the template being made starting from a block of refractory material/
- introducing said template in a heating chamber;
- arranging a first sheet of glass material in said heating chamber with a first side of said sheet that rests on said template,-
- raising the temperature in said heating chamber higher than the softening temperature of said glass material for a determined time, causing said sheet to soften and to deform thus contacting intimately said template;
- separating said first sheet from said template, thus obtaining on said first sheet/ at a second side opposite to said first side, a figure reproducing at least one part of said shape of said template, and a corresponding recess on said first side;
- coupling said first sheet with a second sheet by interposing a bonding material.
2. Method, according to claim 1, wherein said second sheet is also of glass material and is made by the following steps:
- making a second template reproducing said model and having a determined scale with respect to said first template, said second template being made starting from a block of refractory material;
- introducing said second template in said heating chamber; arranging said second, sheet of glass material in said heating chamber with a first side of said second sheet that rests on said template;
- raising the temperature in said heating chamber higher than the softening temperature of the glass material for a determined time causing said second sheet to softening and to deform contacting intimately said second template;
- separating said second sheet from said second template thus obtaining on said second sheet, at a second side, a figure reproducing at least one part of the surface of said second template, and a corresponding recess on said first side.
3. Method, according to claim 1, wherein said three- dimensional template is made by a machine equipped with a cutting tool that is moved m three different directions for sculpturing said block of refractory material.
4. Method, according to claim 3, wherein said machine is a pantograph carving machine that makes said template starting from a three-dimensional preliminarily profiled model.
5. Method, according to claim 3, wherein said machine moves said instrument along a trajectory generated on the basis of a digital model.
6. Method, according to claim 5, wherein said digital model is obtained by CAD.
7. Method, according to claim 5, wherein said digital model is made by 3D-scanning a real object.
8. Method, according to claim 1, wherein said refractory material is selected from the group comprised of: clay; - fibreclay.
9, Method, according to claim 1 or 2, wherein said or each sheet of glass material with said relief figure undergoes a-t least one finishing step.
10. Method, according to claim 10, wherein said at least one finishing step provides the application of colouring techniques for the glass industry.
11. Stratified glass comprising:
- a first sheet of glass material; - a second sheet of glass material;
- a layer of glue located between said first and said second sheet; characterised in 'that least; at one among said first sheet and said second sheet has on one side a relief figure to which a recess corresponds on the other side,
12. Stratified glass, according to claim 11, wherein said first and second sheets have relief figures on respective sides to which respective recesses correspond on the other sides, said relief figures of said first and second sheets being shaped in a determined dimensional ratio with respect to each other.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITPI20060059 ITPI20060059A1 (en) | 2006-05-24 | 2006-05-24 | METHOD FOR THE PRODUCTION OF LAMINATED GLASSES AND LAMINATED GLASS AS IT IS OBTAINED. |
| ITPI2006A000059 | 2006-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2007138403A1 true WO2007138403A1 (en) | 2007-12-06 |
Family
ID=38515711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/IB2007/001236 WO2007138403A1 (en) | 2006-05-24 | 2007-05-14 | Method for producing stratified glass and stratified glass so obtained |
Country Status (2)
| Country | Link |
|---|---|
| IT (1) | ITPI20060059A1 (en) |
| WO (1) | WO2007138403A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITRE20080111A1 (en) * | 2008-11-21 | 2010-05-22 | Paf 90 Di Paolo Fabbri | '' METHOD FOR MODELING GLASS SHEETS '' |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4009064A (en) * | 1976-02-20 | 1977-02-22 | Corning Glass Works | Method of forming laminated curvilinear glass sheet |
| WO1990002105A1 (en) * | 1988-08-16 | 1990-03-08 | Cemcom Corporation | Chemically bonded ceramic materials and use in forming of metals and glass |
| KR940010085B1 (en) * | 1990-08-02 | 1994-10-21 | 김종문 | Method of shaping substrate of design of plate glass |
| CN1205279A (en) * | 1998-07-17 | 1999-01-20 | 陈汉生 | Method of mfg. large glass sculpture by using plate glass |
| US5906667A (en) * | 1994-12-19 | 1999-05-25 | Ford Motor Company | Method of sculpturing a laminated vacuum form glass mold |
| CN1219516A (en) * | 1997-12-12 | 1999-06-16 | 邵丹丹 | Technological process for pressing pattern on glass |
| JP2000099565A (en) * | 1999-10-01 | 2000-04-07 | Nippon Sheet Glass Co Ltd | Method for developing curve face in plate of three- dimensional form and computer system used for the method |
| JP2004021850A (en) * | 2002-06-19 | 2004-01-22 | Mitsubishi Heavy Ind Ltd | Method, system, and program for processing model |
-
2006
- 2006-05-24 IT ITPI20060059 patent/ITPI20060059A1/en unknown
-
2007
- 2007-05-14 WO PCT/IB2007/001236 patent/WO2007138403A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4009064A (en) * | 1976-02-20 | 1977-02-22 | Corning Glass Works | Method of forming laminated curvilinear glass sheet |
| WO1990002105A1 (en) * | 1988-08-16 | 1990-03-08 | Cemcom Corporation | Chemically bonded ceramic materials and use in forming of metals and glass |
| KR940010085B1 (en) * | 1990-08-02 | 1994-10-21 | 김종문 | Method of shaping substrate of design of plate glass |
| US5906667A (en) * | 1994-12-19 | 1999-05-25 | Ford Motor Company | Method of sculpturing a laminated vacuum form glass mold |
| CN1219516A (en) * | 1997-12-12 | 1999-06-16 | 邵丹丹 | Technological process for pressing pattern on glass |
| CN1205279A (en) * | 1998-07-17 | 1999-01-20 | 陈汉生 | Method of mfg. large glass sculpture by using plate glass |
| JP2000099565A (en) * | 1999-10-01 | 2000-04-07 | Nippon Sheet Glass Co Ltd | Method for developing curve face in plate of three- dimensional form and computer system used for the method |
| JP2004021850A (en) * | 2002-06-19 | 2004-01-22 | Mitsubishi Heavy Ind Ltd | Method, system, and program for processing model |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITRE20080111A1 (en) * | 2008-11-21 | 2010-05-22 | Paf 90 Di Paolo Fabbri | '' METHOD FOR MODELING GLASS SHEETS '' |
Also Published As
| Publication number | Publication date |
|---|---|
| ITPI20060059A1 (en) | 2007-11-25 |
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