公开(公告)号：US07767929B2

公开(公告)日：2010-08-03

申请号：US11196401

申请日：2005-08-04

Applicant: Kuniaki Hiromatsu ,  Yuzo Watanabe ,  Motoichi Iga

Inventor： Kuniaki Hiromatsu ,  Yuzo Watanabe ,  Motoichi Iga

IPC: B23K26/00

CPC classification number: B08B7/0042 ,  C03C23/0025 ,  C03C23/0075

Abstract: It is to provide a method for removing a tin defect present on the surface of a glass substrate produced by a float process in a short time without the glass substrate surface being damaged regardless of the glass temperature.A method for removing a tin-containing foreign matter from the surface of glass, which comprises applying to the surface of a glass substrate produced by a float process a pulse laser beam having a transmittance of at least 70% through the glass substrate and having a pulse width, a wavelength and an energy density per unit area on the glass substrate surface which satisfy specific relations, to remove a tin-containing foreign matter present on the rear face opposite to the face irradiated with the pulse laser beam.

Abstract translation: 本发明提供一种在玻璃基板表面不受玻璃温度影响的情况下，在短时间内除去由浮法工艺制造的玻璃基板表面上存在的锡缺陷的方法。 一种从玻璃表面除去含锡杂质的方法，其特征在于，通过玻璃基板将透射率为70％以上的脉冲激光束通过浮法加工而成的玻璃基板的表面， 脉冲宽度，波长和玻璃基板表面上的每单位面积的能量密度，以满足特定关系，以除去与用脉冲激光束照射的面相反的背面上存在的含锡杂质。

公开(公告)号：US20090113938A1

公开(公告)日：2009-05-07

申请号：US12265841

申请日：2008-11-06

Applicant: Mitsuru Watanabe ,  Yutaka Kuroiwa ,  Motoichi Iga ,  Setsuro Ito ,  Yasuji Fukasawa

Inventor： Mitsuru Watanabe ,  Yutaka Kuroiwa ,  Motoichi Iga ,  Setsuro Ito ,  Yasuji Fukasawa

IPC: C03B5/16 ,  C03B29/00

CPC classification number: C03B5/225 ,  Y02P40/57

Abstract: It is an object of the present invention to provide a method and apparatus for efficiently remove bubbles present on a surface of molten glass, which can solve a problem that bubbles remaining on a surface of molten glass are get inside at a time of forming the glass to cause inside bubbles, to thereby provide a glass substrate of good quality, and which can improve productivity of glass substrates; and to provide a process for producing glass employing the above method for removing bubbles.The present invention provides a method for removing bubbles from molten glass, which is a method for removing floating bubbles on a surface of molten glass, wherein a floating bubble on the surface of molten glass is irradiated with at least one laser beam.

Abstract translation: 本发明的目的是提供一种有效去除熔融玻璃表面存在的气泡的方法和装置，其可以解决在形成玻璃时熔融玻璃表面残留的气泡的问题 引起内部气泡，从而提供质量好的玻璃基板，并且可以提高玻璃基板的生产率; 并提供使用上述除去气泡的方法制造玻璃的方法。 本发明提供了一种从熔融玻璃中除去气泡的方法，该方法是用于去除熔融玻璃表面上的浮动气泡的方法，其中用至少一个激光束照射熔融玻璃表面上的浮动气泡。

公开(公告)号：US20080037014A1

公开(公告)日：2008-02-14

申请号：US11872354

申请日：2007-10-15

Applicant: Yutaka KUROIWA ,  Setsuro Ito ,  Motoichi Iga

Inventor： Yutaka KUROIWA ,  Setsuro Ito ,  Motoichi Iga

IPC: G01N21/00

CPC classification number: C03B32/00 ,  C03C23/0025 ,  Y02P40/57

Abstract: It is an object of the present invention to provide a new method for reducing the diameter of a bubble existing in a glass plate. Specifically, the present invention provides a method for reducing the diameter of a bubble existing in a glass plate, which comprises irradiating the vicinity of the bubble existing in the glass plate with a light beam emitted from a light source, to raise the temperature of the glass in the vicinity of the bubble to at least the melting point of the glass to reduce the maximum diameter of the bubble.

Abstract translation: 本发明的目的是提供一种用于减小存在于玻璃板中的气泡的直径的新方法。 具体地说，本发明提供一种降低存在于玻璃板中的气泡的直径的方法，该方法包括用从光源发射的光束照射存在于玻璃板中的气泡附近，以提高玻璃板的温度 玻璃在气泡附近至少达到玻璃的熔点，以减小气泡的最大直径。

公开(公告)号：US20080032111A1

公开(公告)日：2008-02-07

申请号：US11868125

申请日：2007-10-05

Applicant: Toru Kamihori ,  Motoichi Iga

Inventor： Toru Kamihori ,  Motoichi Iga

IPC: C03B13/00 ,  C03B18/02 ,  B32B27/32

CPC classification number: C03B18/04 ,  C03B18/02

Abstract: The present invention provides a flat glass capable of improving influence on visibility for use in FPD (Flat Panel Display) such as liquid crystal etc. and a process for producing the same. The flat glass has a sheet thickness of from 0.1 to 1.1 mm, especially from 0.3 to 1.1 mm and contains bubbles of 100 to 1,000 μm in major axis wherein the ratio of minor axis/major axis is 0.85 or greater. This flat glass is produced by forming a molten glass ribbon to a sheet thickness of over 1.0 to 1.5 times a predetermined sheet thickness t of from 0.1 to 1.1 mm under a molten glass ribbon viscosity of log η≦5, and thereafter forming the molten glass ribbon to the predetermined sheet thickness t under a molten glass ribbon viscosity of 5

Abstract translation: 本发明提供一种能够改善对液晶等FPD（平板显示器）等的可视性的影响的平板玻璃及其制造方法。 平板玻璃的板厚为0.1〜1.1mm，特别优选为0.3〜1.1mm，并且在短轴上具有100〜1000μm的气泡，其中短轴/长轴的比例为0.85以上。 该平板玻璃是通过在熔融玻璃粘度log eta <= 5的条件下，将熔融玻璃带形成为厚度为0.1〜1.1mm的规定片厚t的1.0〜1.5倍以上的板厚，然后形成熔融 玻璃带在熔融玻璃带粘度为5

公开(公告)号：US07213414B2

公开(公告)日：2007-05-08

申请号：US11016899

申请日：2004-12-21

Applicant: Yoshihiro Shiraishi ,  Motoichi Iga ,  Toru Kamihori

Inventor： Yoshihiro Shiraishi ,  Motoichi Iga ,  Toru Kamihori

IPC: C03B17/06

CPC classification number: C03B13/04 ,  C03B17/062 ,  C03B17/068 ,  C03B35/188 ,  C03B35/246

Abstract: The present invention relates to improvement in a method of supplying a glass ribbon in a molten state to be supplied from a glass melting furnace to a flat glass forming apparatus, which can further improve the smoothness of a flat glass after formed. A glass ribbon 13 supplied from a glass melting furnace 14 to a flat glass forming apparatus 15 is stretched between one pair of tension rollers 24A and 24B in an S-shape and the tension rollers 24A and 24B are rotated while applying a surface pressure to the glass ribbon 13 face via a thin layer of a steam film generated by vaporization of a steam film forming agent. By means of rotation of the tension rollers 24A and 24B, the face of the glass ribbon 13 still in a molten state is polished via the steam film 18.

Abstract translation: 本发明涉及将玻璃熔融状态的玻璃带供给到玻璃熔融炉的平面玻璃成形装置的方法的改进，能够进一步提高成形后的平板玻璃的平滑度。 从玻璃熔化炉14供给到平板玻璃成形装置15的玻璃带13在S形的一对张紧辊24A和24B之间拉伸，张力辊24A和24B旋转，同时施加 玻璃带13的表面压力经由蒸汽成膜剂的汽化产生的蒸汽膜的薄层面对。 通过张紧辊24A和24B的旋转，仍然处于熔融状态的玻璃带13的表面经由蒸汽膜18被抛光。

公开(公告)号：US20050103054A1

公开(公告)日：2005-05-19

申请号：US11016899

申请日：2004-12-21

Applicant: Yoshihiro Shiraishi ,  Motoichi Iga ,  Toru Kamihori

Inventor： Yoshihiro Shiraishi ,  Motoichi Iga ,  Toru Kamihori

IPC: C03B13/04 ,  C03B17/06 ,  C03B35/18 ,  C03B35/24

CPC classification number: C03B13/04 ,  C03B17/062 ,  C03B17/068 ,  C03B35/188 ,  C03B35/246

Abstract: The present invention relates to improvement in a method of supplying a glass ribbon in a molten state to be supplied from a glass melting furnace to a flat glass forming apparatus, which can further improve the smoothness of a flat glass after formed. A glass ribbon 13 supplied from a glass melting furnace 14 to a flat glass forming apparatus 15 is stretched between one pair of tension rollers 24A and 24B in an S-shape and the tension rollers 24A and 24B are rotated while applying a surface pressure to the glass ribbon 13 face via a thin layer of a steam film generated by vaporization of a steam film forming agent. By means of rotation of the tension rollers 24A and 24B, the face of the glass ribbon 13 still in a molten state is polished via the steam film 18.

Abstract translation: 本发明涉及将玻璃熔融状态的玻璃带供给到玻璃熔融炉的平面玻璃成形装置的方法的改进，能够进一步提高成形后的平板玻璃的平滑度。 从玻璃熔化炉14供给到平板玻璃成形装置15的玻璃带13在S形的一对张紧辊24A和24B之间拉伸，张力辊24A和24B旋转，同时施加 玻璃带13的表面压力经由蒸汽成膜剂的汽化产生的蒸汽膜的薄层面对。 通过张紧辊24A和24B的旋转，仍然处于熔融状态的玻璃带13的表面经由蒸汽膜18被抛光。

公开(公告)号：US08225627B2

公开(公告)日：2012-07-24

申请号：US11872354

申请日：2007-10-15

Applicant: Yutaka Kuroiwa ,  Setsuro Ito ,  Motoichi Iga

Inventor： Yutaka Kuroiwa ,  Setsuro Ito ,  Motoichi Iga

IPC: C03B23/02 ,  C03B29/00

CPC classification number: C03B32/00 ,  C03C23/0025 ,  Y02P40/57

Abstract: It is an object of the present invention to provide a new method for reducing the diameter of a bubble existing in a glass plate. Specifically, the present invention provides a method for reducing the diameter of a bubble existing in a glass plate, which comprises irradiating the vicinity of the bubble existing in the glass plate with a light beam emitted from a light source, to raise the temperature of the glass in the vicinity of the bubble to at least the melting point of the glass to reduce the maximum diameter of the bubble.

Abstract translation: 本发明的目的是提供一种用于减小存在于玻璃板中的气泡的直径的新方法。 具体地说，本发明提供一种降低存在于玻璃板中的气泡的直径的方法，该方法包括用从光源发射的光束照射存在于玻璃板中的气泡附近，以提高玻璃板的温度 玻璃在气泡附近至少达到玻璃的熔点，以减小气泡的最大直径。

公开(公告)号：US08136373B2

公开(公告)日：2012-03-20

申请号：US12393347

申请日：2009-02-26

Applicant: Michito Sasaki ,  Motoichi Iga ,  Hajime Itoh ,  Kazuhiko Yamada ,  Masahiro Saitou

Inventor： Michito Sasaki ,  Motoichi Iga ,  Hajime Itoh ,  Kazuhiko Yamada ,  Masahiro Saitou

IPC: C03B5/20

CPC classification number: C03B5/2252 ,  C03B5/1675 ,  Y02P40/57

Abstract: A conduit structure for molten glass, a conduit system for molten glass, a vacuum degassing apparatus and a method for vacuum-degassing molten glass by use of the vacuum degassing apparatus, which are capable of effectively removing components eluted from a refractory brick forming a conduit for molten glass, foreign substances generated in the interface between molten glass and a platinum wall surface forming a conduit for molten glass, a bubble remaining in a surface layer of molten glass, a glass material denatured by volatilization, and the like, are provided.A conduit structure for molten glass, which is formed of a hollow pipe made of platinum or a platinum alloy, includes a double-pipe structure disposed in at least a downstream portion of the conduit structure, the double-pipe structure being formed of an inner pipe and an outer pipe; the inner pipe having an upstream end and a downstream end formed as open ends; the outer pipe having a downstream end formed as a closed end in a region located in a gap between the inner pipe and the outer pipe and as an open end in a region located in the inner pipe in the double-pipe structure; the conduit structure having an upstream end formed as an open end; and the outer pipe having an opening formed in a portion close to the downstream end thereof.

Abstract translation: 用于熔融玻璃的管道结构，用于熔融玻璃的管道系统，真空脱气装置和使用真空脱气装置对熔融玻璃进行真空脱气的方法，其能够有效地除去从形成导管的耐火砖洗脱的组分 对于熔融玻璃，在熔融玻璃和形成熔融玻璃导管的铂壁表面之间的界面中产生的异物，残留在熔融玻璃的表面层中的气泡，通过挥发变性的玻璃材料等。 由铂或铂合金制成的中空管形成的熔融玻璃导管结构包括设置在导管结构的至少下游部分中的双管结构，双管结构由内层 管和外管; 内管具有形成为开口端的上游端和下游端; 所述外管的下游端形成为位于所述内管和所述外管之间的间隙中的区域中的封闭端，并且在所述双管结构中位于所述内管中的区域中的开口端; 导管结构具有形成为开口端的上游端; 并且外管具有形成在靠近其下游端的部分中的开口。

公开(公告)号：US07913517B2

公开(公告)日：2011-03-29

申请号：US11925310

申请日：2007-10-26

Applicant: Yoshihiro Shiraishi ,  Motoichi Iga ,  Itsuo Matsumoto ,  Toru Kamihori

Inventor： Yoshihiro Shiraishi ,  Motoichi Iga ,  Itsuo Matsumoto ,  Toru Kamihori

IPC: C03B35/24 ,  C03B18/00

CPC classification number: C03B17/062 ,  C03B13/04 ,  C03B13/16 ,  C03B35/246

Abstract: The present invention relates to production of a flat glass, which can improve the surface smoothness of a flat glass in the moving direction and which prevents formation of stripes on the flat glass. A fixed bed 15 comprising a plurality of supports 12 arranged in such a state that they will not move at least in a direction in parallel with the moving direction of a glass ribbon 13, and having grooves 12B to let loose the steam generated by vaporization of a steam film forming agent formed between the respective supports 12, is used, and the amount of the steam let loose from the grooves is adjusted in accordance with the glass temperature distribution in the moving direction of the glass ribbon 13 which moves on the fixed bed 15.

Abstract translation: 本发明涉及平板玻璃的制造，其可以提高平板玻璃在移动方向上的表面平滑度，并且防止在平板玻璃上形成条纹。 固定床15，其包括多个支撑件12，所述多个支撑件12至少在与玻璃带13的移动方向平行的方向上移动，并且具有凹槽12B以使由蒸发产生的蒸汽松动 使用形成在各支撑体12之间的蒸汽成膜剂，并且根据在固定床上移动的玻璃带13的移动方向上的玻璃温度分布来调节从槽中松开的蒸汽量 15。

公开(公告)号：US20080223079A1

公开(公告)日：2008-09-18

申请号：US12124662

申请日：2008-05-21

Applicant: Toru KAMIHORI ,  Motoichi Iga ,  Tetsushi Takiguchi

Inventor： Toru KAMIHORI ,  Motoichi Iga ,  Tetsushi Takiguchi

IPC: C03B18/16 ,  C03B18/00

CPC classification number: C03B18/16 ,  B65G2201/0294 ,  C03B18/04

Abstract: The purpose of the present invention is to provide an apparatus for producing a float glass capable of controlling a temperature rise in the bottom casing to prevent the bottom casing from being corroded by reaction with the molten metal released therefrom.The bottom casing of a flat glass producing apparatus is comprised of a plurality of non-magnetic casing pieces that are electrically insulated from each other by means of a non-woven fabric of silica glass having non-affinity for tin whereby in comparison with a flat glass producing apparatus having the bottom casing of a united structure, an induced current can be controlled thereby prohibiting a temperature rise in the bottom casing. With such structure, tin penetrating in joint portions of the bottom bricks can be prevented from melting and the corrosion of the bottom casing by reaction with the released molten tin can be prevented.

Abstract translation: 本发明的目的是提供一种用于制造能够控制底部壳体中的温度升高的浮法玻璃的装置，以防止底部壳体与从其释放的熔融金属的反应而被腐蚀。 平板玻璃制造装置的底壳由多个非磁性壳体件组成，这些非磁性壳体件通过对锡具有非亲合性的二氧化硅玻璃的无纺布彼此电绝缘，由此与平板 具有联合结构的底壳的玻璃制造设备可以控制感应电流，从而禁止底壳中的温度升高。 通过这样的结构，可以防止在底部砖的接合部分渗透的锡熔化，并且可以防止与释出的熔融锡反应而引起的底部壳体的腐蚀。