WO2014115432A1 - Procédé de fabrication d'une plaque repliée de verre cristallisé - Google Patents

Procédé de fabrication d'une plaque repliée de verre cristallisé Download PDF

Info

Publication number
WO2014115432A1
WO2014115432A1 PCT/JP2013/082919 JP2013082919W WO2014115432A1 WO 2014115432 A1 WO2014115432 A1 WO 2014115432A1 JP 2013082919 W JP2013082919 W JP 2013082919W WO 2014115432 A1 WO2014115432 A1 WO 2014115432A1
Authority
WO
WIPO (PCT)
Prior art keywords
plate
bent plate
crystalline glass
bent
flat plate
Prior art date
Application number
PCT/JP2013/082919
Other languages
English (en)
Japanese (ja)
Inventor
元 蓑輪
晃弘 入谷
Original Assignee
日本電気硝子株式会社
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 日本電気硝子株式会社 filed Critical 日本電気硝子株式会社
Publication of WO2014115432A1 publication Critical patent/WO2014115432A1/fr

Links

Images

Classifications

    • 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
    • C03B23/0258—Gravity bending involving applying local or additional heating, cooling or insulating means
    • 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
    • C03B23/035—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending
    • C03B23/0352—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet
    • C03B23/0357—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet by suction without blowing, e.g. with vacuum or by venturi effect
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B32/00—Thermal after-treatment of glass products not provided for in groups C03B19/00, C03B25/00 - C03B31/00 or C03B37/00, e.g. crystallisation, eliminating gas inclusions or other impurities; Hot-pressing vitrified, non-porous, shaped glass products
    • C03B32/02—Thermal crystallisation, e.g. for crystallising glass bodies into glass-ceramic articles

Definitions

  • the present invention relates to a method for producing a crystallized glass bent plate.
  • the crystallized glass plate has high heat resistance and has an advantage that the coefficient of thermal expansion can be reduced. For this reason, conventionally, a crystallized glass plate has been widely used as a heat ray transmitting component of a heating device such as a stove or a fireplace or a top plate for a cooking appliance.
  • the crystallized glass plate used for such applications is required to be shaped into a shape corresponding to the product in order to improve the design of the product.
  • a crystallized glass bent plate having a bent portion may be required.
  • Patent Document 1 describes the following method as an example of a method for producing a crystallized glass bent plate.
  • a crystallized glass plate having a groove formed on the back surface is placed on a mold having a recess having a substantially triangular cross section.
  • the crystallized glass plate is bent by heating and softening the crystallized glass plate so that the part where the groove is formed is bent along the recess during molding. Get a board.
  • An object of the present invention is to provide a method capable of manufacturing a crystallized glass bent plate having a small curvature radius of a bent portion with high shape accuracy.
  • the method for manufacturing a crystallized glass bent plate according to the present invention includes a first flat plate portion, a second flat plate portion, and a bent portion connecting the first and second flat plate portions.
  • the present invention relates to a method for manufacturing a crystallized glass bent plate in which the angle between the flat plate portion and the second flat plate portion is ⁇ .
  • a part of the crystalline glass flat plate in one direction is locally heated and deformed to be deformed, so that the bend angle is larger than ⁇ .
  • a crystalline glass bent plate manufacturing step for manufacturing a crystalline glass bent plate having a small bent portion is also performed.
  • a crystalline glass bent plate is placed on a concave portion of a mold having a triangular concave portion with an angle of ⁇ , and the crystalline glass bent plate is deformed and crystallized along the concave portion by heating. Thus, a crystallization step for obtaining a crystallized glass bent plate is performed.
  • crystalline glass refers to glass that can be crystallized by heat treatment to become crystallized glass.
  • Crystal glass flat plate refers to a flat plate made of crystalline glass.
  • the “triangular shape” includes a triangular shape with a rounded or chamfered corner.
  • the method for producing a crystallized glass bent plate according to the present invention is a strain that reduces the distortion of the bent part by heat-treating the crystalline glass bent plate in a state where the bent part does not contact other members prior to the crystallization step. It is preferable to further include a reduction step.
  • ⁇ is preferably 90 ° or less.
  • the crystalline glass bent plate preparation step it is preferable to perform the crystalline glass bent plate preparation step so that the radius of curvature at the outer surface of the bent portion of the crystalline glass bent plate is 10 mm or less.
  • the crystallization step it is preferable to dispose ceramic paper between the crystalline glass bent plate and the mold.
  • the mold preferably has a through hole facing the ceramic paper.
  • FIG. 1 is a schematic perspective view of a crystalline glass flat plate according to an embodiment of the present invention.
  • FIG. 2 is a schematic side view for explaining a distortion reduction process in an embodiment according to the present invention.
  • FIG. 3 is a schematic side view of the crystalline glass bent plate after the distortion reduction step in the embodiment according to the present invention.
  • FIG. 4 is a schematic side view for explaining a crystallization process in one embodiment according to the present invention.
  • FIG. 5 is a schematic side view of a manufactured crystallized glass bent plate according to an embodiment of the present invention.
  • FIG. 6 is a schematic side view for explaining the crystallization process in the modification.
  • the crystallized glass bent plate 5 manufactured in the present embodiment is made of crystallized glass.
  • the kind of the crystallized glass constituting the crystallized glass bent plate 5 is not particularly limited. Specific examples of the crystallized glass preferably used as the constituent material of the crystallized glass bent plate 5 include ⁇ -quartz solid solution and crystallized glass having a ⁇ -spodumene solid solution as a main crystal.
  • the crystallized glass bent plate 5 has a first flat plate portion 5a, a second flat plate portion 5b, and a bent portion 5c.
  • the first flat plate portion 5a and the second flat plate portion 5b are connected by a bent portion 5c.
  • the bending angle of the bent portion 5c that is, the angle ⁇ between the first flat plate portion 5a and the second flat plate portion 5b is preferably 90 ° or less.
  • ⁇ can be set to 60 ° to 90 °.
  • the curvature radius on the outer surface of the bent portion 5c is preferably 10 mm or less, and more preferably 8 mm or less. Further, the radius of curvature at the inner surface of the bent portion 5c is preferably 6 mm or less, and more preferably 4 mm or less.
  • the thickness of the crystallized glass bent plate 5 can be set to about 3 mm to 8 mm, for example.
  • the dimension of the crystallized glass bent plate 5 along the y direction shown in FIG. 5 can be, for example, about 50 mm to 1500 mm.
  • the total length of the surface of the portion 5c in the direction perpendicular to the y direction can be, for example, about 100 mm to 1500 mm.
  • a crystalline glass flat plate 1 shown in FIG. 1 is prepared.
  • the material of the crystalline glass flat plate 1 can be appropriately selected according to the material of the crystallized glass bent plate 5 to be manufactured. Further, the shape and size of the crystalline glass flat plate 1 can be appropriately set according to the shape and size of the crystallized glass bent plate 5.
  • a crystalline glass bent plate manufacturing process is performed. Specifically, it is a part in one direction (x direction) of the crystalline glass flat plate 1 and the other side end part from one side end part in the other direction (y direction) perpendicular to the one direction.
  • the processed portion 1a located over the surface is locally heated from both sides and deformed in a softened state.
  • the crystalline glass bending plate 2 shown in FIG. 2 is produced.
  • the crystalline glass bent plate 2 has a pair of flat plate portions 2a and 2b and a bent portion 2c connecting the flat plate portions 2a and 2b.
  • the flat plate portion 2 a is a portion for constituting the first flat plate portion 5 a of the crystallized glass bent plate 5.
  • the flat plate portion 2 b is a portion for constituting the second flat plate portion 5 b of the crystallized glass bent plate 5.
  • the bent portion 2 c is a portion for constituting the bent portion 5 c of the crystallized glass bent plate 5.
  • the size of the bending angle of the bent portion 5c i.e., crystalline glass such that the magnitude theta 1 of the angle between the flat plate portion 2a and the flat plate portion 2b is smaller than theta
  • the flat plate 1 is bent.
  • ⁇ 1 is preferably smaller than ⁇ by 0.1 ° or more, and more preferably 1.0 ° or more.
  • ⁇ 1 is preferably smaller than ⁇ by 5.0 ° or less, more preferably by 3.0 ° or less. preferable.
  • the crystalline glass bent plate manufacturing step it is preferable to deform the crystalline glass flat plate 1 so that the radius of curvature on the outer surface of the bent portion 2c is 10 mm or less, and the radius of curvature on the outer surface of the bent portion 2c is More preferably, the crystalline glass flat plate 1 is deformed so as to be 8 mm or less. By doing in this way, the crystallized glass bending plate 5 with a small curvature radius in the outer surface of the bending part 5c can be obtained.
  • the crystalline glass flat plate 1 is preferably deformed so that the radius of curvature on the inner surface of the bent portion 2c is 6 mm or less, and the radius of curvature on the inner surface of the bent portion 2c is 4 mm or less. More preferably, the crystalline glass flat plate 1 is deformed so that By doing in this way, the crystallized glass bending plate 5 with a small curvature radius in the inner surface of the bending part 5c can be obtained.
  • the processing part 1a of the crystalline glass flat plate 1 can be heated using heating means such as a burner, a resistance heater, a high-frequency heater, or a laser heater.
  • the deformation of the crystalline glass flat plate 1 can be performed, for example, by gripping both end portions in the x direction of the crystalline glass flat plate 1 and bringing both end portions close to each other.
  • the processed portion 1a of the crystalline glass flat plate 1 is locally heated, so that strain remains in the bent portion 2c. For this reason, next, the distortion reduction process of the bending part 2c is performed.
  • the crystalline glass bent plate 2 is heat-treated in a state where the bent portion 2c does not contact other members, thereby reducing the distortion of the bent portion 2c. More specifically, in this embodiment, both ends 2a1 and 2b1 in the x direction of the crystalline glass bent plate 2 are in contact with the base 10 while the bent portion 2c is separated from the base 10. Heat treatment is performed in a state where 2 is placed so as to protrude in the normal direction of the substrate 10.
  • size (theta) 1 which the flat plate part 2a and the flat plate part 2b make changes slightly by a distortion reduction process
  • the angle formed by the flat plate portion 2a and the flat plate portion 2b is preferably smaller than ⁇ by 0.1 ° or more, and more preferably 1.0 ° or more.
  • the size of the angle formed between the flat plate portion 2a and the flat plate portion 2b may be reduced. Is preferably smaller than ⁇ by 5.0 ° or less, more preferably 3.0 ° or less.
  • the heat treatment in the strain reduction step is performed, for example, after holding for about 10 to 20 minutes in a temperature range of 100 ° C. higher than the softening temperature of the crystalline glass bent plate 2 and 100 ° C. higher than the softening temperature.
  • it can be carried out by slow cooling at a cooling rate of about 30 ° C./min to 50 ° C./min.
  • the crystalline glass bent plate 2 is set near the softening temperature of the crystalline glass bent plate 2 or higher than the softening temperature. It is necessary to heat to temperature. For this reason, as shown in FIG. 3, the flat plate portions 2a and 2b are curved in a convex shape toward the lower side (the base side) by performing the distortion reducing step.
  • a crystallization process is performed. Specifically, first, a mold 3 having a recess 3c shown in FIG. 4 is prepared.
  • the cross-sectional shape of the recess 3c is a shape corresponding to the shape of the crystallized glass bent plate 5, and specifically, a triangular shape.
  • the recess 3c is composed of flat portions 3a and 3b.
  • the size of the angle formed by the flat plate portion 3a and the flat plate portion 3b is ⁇ .
  • the crystalline glass bending plate 2 is placed on the concave portion 3 c of the mold 3. Wherein one angle of the recess 3c is theta, bending angle theta 1 of the bent portion 2c of the crystallizable glass bent plate 2 is smaller than theta. For this reason, the flat plate portions 2a and 2b (when placed on the mold 3, the flat plate portions 2a and 2b do not strictly have a planar shape but have a curved shape). At least one of these is separated from the plane portions 3a and 3b.
  • the crystallized glass bent plate 2 shown in FIG. 5 is formed by heating the crystalline glass bent plate 2 placed on the mold 3 to deform the crystallized glass bent plate 2 along the recesses 3c and crystallizing it. Get 5. More specifically, the flat plate portion 2 a of the crystalline glass bent plate 2 is deformed so as to follow the flat plate portion 3 a of the concave portion 3 c of the mold 3. Further, the flat plate portion 2 b of the crystalline glass bent plate 2 is deformed so as to follow the flat plate portion 3 b of the concave portion 3 c of the mold 3. Therefore, the bending angle ⁇ 1 of the bent portion 2 c extends to ⁇ .
  • the heating conditions for the crystalline glass bent plate 2 in this crystallization step are not particularly limited as long as the crystallization of the crystalline glass bent plate 2 proceeds suitably.
  • the heating of the crystalline glass bending plate 2 in the crystallization step can be performed, for example, at a temperature from the softening temperature of the crystalline glass bending plate 2 to the softening point + 150 ° C.
  • the bent portion 2c for forming the bent portion 5c of the crystallized glass bent plate 5 is formed by bending the crystalline glass bent by deforming the processed portion 1a in a locally heated state. Form on the plate 2. Further, the bending angle of the bent portion 2c of the crystalline glass bent plate 2 is set smaller than ⁇ . Thereafter, in the crystallization step, the crystalline glass bent plate 2 is crystallized while being deformed on the mold 3 having the triangular recess 3c having an angle ⁇ . For this reason, the bending part 5c with a small curvature radius can be produced first by forming the bending part 2c by local heating.
  • the shape accuracy of the bent portion 5c can be increased.
  • the crystallized glass bent plate 5 having a small radius of curvature of the bent portion 5c can be manufactured with high shape accuracy.
  • the bending angle ⁇ of the bent portion 5c is 90 °. It is more preferably used in the following cases, and more preferably when the bending angle ⁇ is 85 ° or less.
  • the manufacturing method of the present embodiment is more preferably used when the radius of curvature on the outer surface of the bent portion 5c is 10 mm or less, and more preferably when the radius of curvature on the outer surface of the bent portion 5c is 8 mm or less. .
  • the crystalline glass bent plate 2 can be effectively prevented from being damaged due to the residual distortion in the crystallization process or the like. .
  • the ceramic paper 11 may be placed on the mold 3, and the crystalline glass bent plate 2 may be placed on the ceramic paper 11.
  • the ceramic paper 11 By arranging the ceramic paper 11, it is possible to suppress the uneven shape on the surface of the mold 3 and the shape of the foreign matter located on the surface of the mold 3 from being transferred. Further, the fusion of the mold 3 and the crystalline glass bent plate 2 can be suppressed.
  • the ceramic paper 11 is manufactured by papermaking ceramic fibers together with an organic binder, and includes an organic binder before heating.
  • the organic binder burns in the crystallization process and emits as carbon dioxide.
  • the ceramic paper disposed on the mold 3 is difficult to be supplied with air containing oxygen, a part of the organic binder may be carbonized. There may be a problem that the carbide of the binder adheres to the surface of the crystalline glass bent plate.
  • At least one through hole 3A that faces the ceramic paper 11 is formed in the mold 3.
  • oxygen is easily supplied to the ceramic paper 11. Therefore, carbonization of the organic binder contained in the ceramic paper 11 is difficult to occur. Therefore, the problem that the carbide of the binder adheres to the surface hardly occurs.
  • the through hole 3A is preferably provided at 5 to 10 area% in the region where the crystalline glass bent plate 2 is disposed.
  • the diameter of the through hole 3A can be set to, for example, about 5 mm to 50 mm.
  • the distance between the centers of adjacent through holes 3A can be about 100 mm to 500 mm.
  • the volume of the crystalline glass bent plate 2 changes in the crystallization process. For this reason, the crystalline glass bending plate 2 contracts and expands in the crystallization process. When the crystalline glass bent plate 2 contracts and expands, the crystalline glass bent plate 2 bites the ceramic paper 11 and the crystalline glass bent plate 2 is caught by the ceramic paper 11. There may be a gap between the mold 3.
  • the crystalline glass bent plate 2 may be undesirably deformed in the crystallization process of the crystalline glass bent plate 2. For this reason, it is preferable to apply a lubricant between the ceramic paper 11 and the bent plate 2. By doing so, the crystalline glass bent plate 2 becomes difficult to bite the ceramic paper 11 when the crystalline glass bent plate 2 contracts and expands, and as a result, the crystallized glass bent plate 5 having high shape accuracy is obtained. be able to.
  • the lubricant for example, boron nitride powder is preferably used.
  • the crystallization process of the crystalline glass bent plate 2 is preferably performed by passing through a heating furnace in which a temperature gradient is formed.
  • the crystalline glass bent plate 2 is put into the heating furnace, the crystalline glass bent plate 2 is thrown from the side of the flat plate portion 2a which is relatively short and has a relatively large inclination angle with respect to the horizontal direction, or is relatively long.
  • the problem is whether to insert the crystalline glass bent plate 2 from the flat plate portion 2b side having a relatively small inclination angle with respect to the horizontal direction.
  • the flexible glass bent plate 2 is easy to bite the ceramic paper 11.
  • the distance between the end portion 2a1 of the flat plate portion 2a and the bent portion 2c is such that the distance between the flat plate portion 2b and the bent portion 2c is short, and the contraction of the end portion 2b1 of the flat plate portion 2b causes the expansion start timing of the bent portion 2c.
  • the crystalline glass bent plate 2 becomes difficult to bite the ceramic paper 11 because it is almost the same time. Therefore, from the viewpoint of obtaining the crystallized glass bent plate 5 having high shape accuracy, the crystalline glass bent plate 2 is put into the heating furnace from the flat plate portion 2a side having a relatively short inclination angle with respect to the horizontal direction. It is preferable.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)

Abstract

L'objet de la présente invention est de fournir un procédé de fabrication d'une plaque repliée de verre cristallisé de forme très précise, la section repliée de la plaque ayant un petit rayon de courbure. Ledit procédé de production de plaque repliée de verre cristallisé est un procédé dans lequel une plaque repliée (2) de verre cristallisé ayant une section repliée (2c) faisant un angle de courbure inférieur à θ est produite en déformant une section (1a) dans une direction (x) d'une plaque plate (1) de verre cristallisé se trouvant dans un état dans lequel ladite section a été ramollie par chauffage local. Un procédé de cristallisation est mis en œuvre dans lequel une plaque repliée (5) de verre cristallisé est obtenue en montant la plaque repliée (2) de verre cristallisé sur une section en creux (3c) d'un moule de mise en forme (3) qui comprend la section en creux (3c) ayant une section transversale triangulaire faisant un angle θ, et en chauffant la plaque repliée (2) de verre cristallisé pour la déformer le long de la section en creux (3c) puis la cristalliser.
PCT/JP2013/082919 2013-01-22 2013-12-09 Procédé de fabrication d'une plaque repliée de verre cristallisé WO2014115432A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-008956 2013-01-22
JP2013008956A JP2014141356A (ja) 2013-01-22 2013-01-22 結晶化ガラス屈曲板の製造方法

Publications (1)

Publication Number Publication Date
WO2014115432A1 true WO2014115432A1 (fr) 2014-07-31

Family

ID=51227235

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/082919 WO2014115432A1 (fr) 2013-01-22 2013-12-09 Procédé de fabrication d'une plaque repliée de verre cristallisé

Country Status (2)

Country Link
JP (1) JP2014141356A (fr)
WO (1) WO2014115432A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016183063A (ja) * 2015-03-25 2016-10-20 日本電気硝子株式会社 板状物の熱処理方法、板状物の曲げ方法、及び板状物
WO2019154922A1 (fr) * 2018-02-09 2019-08-15 Schott Ag Vitre en verre ou en vitrocéramique arquée et son procédé de fabrication
EP3805167A1 (fr) * 2019-10-08 2021-04-14 Schott AG Composant en vitrocéramique et procédé de fabrication d'un composant en vitrocéramique

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50116516A (fr) * 1974-02-25 1975-09-11
JPS517010A (en) * 1974-07-09 1976-01-21 Nippon Sheet Glass Co Ltd Garasuitano wankyokuhoho
JPH05116973A (ja) * 1991-10-30 1993-05-14 Nippon Electric Glass Co Ltd 結晶化ガラス板の曲げ加工方法
JP2000327349A (ja) * 1999-05-24 2000-11-28 China Glaze Co Ltd 結晶化ガラス板の曲げ加工方法
JP2004309021A (ja) * 2003-04-08 2004-11-04 Nippon Electric Glass Co Ltd ストーブ用透明ガラス板およびその製造方法
US20100062350A1 (en) * 2007-05-09 2010-03-11 Nikon Corporation Photomask substrate, photomask substrate forming member, photomask substrate fabrication method, photomask, and exposing method that uses the photomask
JP2010275187A (ja) * 2009-05-28 2010-12-09 Schott Ag 放射線遮蔽ガラスを屈曲および熱的にプレストレスするための方法
JP2011173781A (ja) * 2010-01-26 2011-09-08 Nippon Electric Glass Co Ltd 結晶化ガラス板製造用トチ及び結晶化ガラス板の製造方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50116516A (fr) * 1974-02-25 1975-09-11
JPS517010A (en) * 1974-07-09 1976-01-21 Nippon Sheet Glass Co Ltd Garasuitano wankyokuhoho
JPH05116973A (ja) * 1991-10-30 1993-05-14 Nippon Electric Glass Co Ltd 結晶化ガラス板の曲げ加工方法
JP2000327349A (ja) * 1999-05-24 2000-11-28 China Glaze Co Ltd 結晶化ガラス板の曲げ加工方法
JP2004309021A (ja) * 2003-04-08 2004-11-04 Nippon Electric Glass Co Ltd ストーブ用透明ガラス板およびその製造方法
US20100062350A1 (en) * 2007-05-09 2010-03-11 Nikon Corporation Photomask substrate, photomask substrate forming member, photomask substrate fabrication method, photomask, and exposing method that uses the photomask
JP2010275187A (ja) * 2009-05-28 2010-12-09 Schott Ag 放射線遮蔽ガラスを屈曲および熱的にプレストレスするための方法
JP2011173781A (ja) * 2010-01-26 2011-09-08 Nippon Electric Glass Co Ltd 結晶化ガラス板製造用トチ及び結晶化ガラス板の製造方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016183063A (ja) * 2015-03-25 2016-10-20 日本電気硝子株式会社 板状物の熱処理方法、板状物の曲げ方法、及び板状物
WO2019154922A1 (fr) * 2018-02-09 2019-08-15 Schott Ag Vitre en verre ou en vitrocéramique arquée et son procédé de fabrication
EP3805167A1 (fr) * 2019-10-08 2021-04-14 Schott AG Composant en vitrocéramique et procédé de fabrication d'un composant en vitrocéramique

Also Published As

Publication number Publication date
JP2014141356A (ja) 2014-08-07

Similar Documents

Publication Publication Date Title
JP5886980B2 (ja) ガラスシートの局所的加熱及び変形のための方法及び装置
JP5435166B1 (ja) 屈曲部を有するガラス板の製造方法及び屈曲部を有するガラス板
JP4756695B2 (ja) 面状ヒータ
JP6310393B2 (ja) 薄型ガラスシートの再成形
JP2017165648A (ja) 薄型ガラスシートに弛みなく曲げを形成する装置および方法
WO2014115432A1 (fr) Procédé de fabrication d'une plaque repliée de verre cristallisé
CN108367962A (zh) 从片状玻璃或玻璃陶瓷元件激光辅助地分离局部部段的方法
WO2014132715A1 (fr) Procédé de fabrication d'une plaque en verre cristallisé incurvée
JP5647572B2 (ja) 円弧状ガラス曲板の製造方法
JP2012091995A (ja) ガラス曲板の製造方法
JP5800867B2 (ja) ガラスセラミックス成形部材
JP6458567B2 (ja) 板状物の成形方法
JP2016037424A (ja) ガラス板の熱処理方法及び成形方法
WO2014141790A1 (fr) Procédé de fabrication d'un plateau de verre incurvé
JP2011173781A (ja) 結晶化ガラス板製造用トチ及び結晶化ガラス板の製造方法
JP2007133017A (ja) 光ファイバアレイ用基板及びその製造方法
JP5449645B2 (ja) 熱処理用シリコンプレートの製造方法。
JP2016037425A (ja) 屈曲部を有するガラス板の熱処理方法
JP2009102197A (ja) 光学素子製造方法
JPH1059733A (ja) ガラス板の曲げ成形装置、曲げ成形型およびその製造方法
JP7117976B2 (ja) ガラス板の成形方法
KR101734384B1 (ko) 복사관 장치
WO2014119129A1 (fr) Support de fabrication de plaque de verre incurvée en forme d'arc et procédé de fabrication de ladite plaque de verre incurvée en forme d'arc
JP2016016998A (ja) 炭素フィルムの製造方法
JP2012041212A (ja) 結晶化ガラス成形体の製造方法及び結晶化ガラス成形体

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13872997

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13872997

Country of ref document: EP

Kind code of ref document: A1