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公开(公告)号：CA2076827A1
公开(公告)日：1993-05-01
申请号：CA2076827
申请日：1992-08-25
Applicant: CORNING INC
Inventor： JOHNSON RONALD E , KIRK KENNETH A , WEXELL KATHLEEN A
Abstract: This invention is drawn to a method for eliminating the grayish discoloration which customarily develops when lead-free and cadmium-free glass frits are applied to substrates employing an organic vehicle and which are thereafter fired to fuse the frit particles into a glaze. The grayish hue results from a carbonaceous residue left upon thermally decomposing the organic vehicle. The inventive method comprises five general elements: (a) glass frit particles of a desired composition are prepared; (b) a coating of an organic compound containing at least one sulfur oxide group as an oxidizing agent is adsorbed on the surface of the particles; (c) the coated particles are mixed with an organic vehicle; (d) that mixture is coated onto a surface of a substrate; and (e) that coated substrate is fired to fuse the frit particles into a glaze, the oxidizing agent eliminating the carbonaceous residue left upon thermal decomposition of the organic vehicle.
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公开(公告)号：DE60138738D1
公开(公告)日：2009-06-25
申请号：DE60138738
申请日：2001-11-29
Applicant: CORNING INC
Inventor： ARAYA CARLOS R , BRENNAN JOHN H , WEXELL KATHLEEN A , SQUIER GARY G
IPC: C04B33/32 , B28B11/00 , C04B35/195 , C04B35/48 , C04B35/565 , C04B35/64 , C04B38/00 , H05B6/64 , H05B6/80
Abstract: The method for heating a plurality of ceramic bodies, includes:a) providing ceramic-forming raw materials and blending the raw materials with an effective amount of vehicle and forming aids to form a plastic mixture therefrom and thereafter forming the plastic raw material mixture into a plurality of green bodies;b) placing each one of the plurality of green bodies in proximity to an adjacent one of the plurality of green bodies such that upon heating with electromagnetic waves each green body is subject to no more than about 1.5 times the power density at the boundary than in the bulk thereof; andc) drying the green bodies utilizing energy in the form of electromagnetic waves.When the ceramic is a honeycomb cellular cordierite body, the method further includes heating the green bodies up to a maximum temperature of between about 1360° C. and about 1435° C. to produce fired bodies that are predominantly cordierite, wherein the firing includes utilizing a combination of microwave and convective or radiative heating during periods where the green bodies are subject to an endothermic reaction or phase transition.The method for the firing of a honeycomb cellular cordierite bodies further includes placing each one of the plurality of green bodies in proximity to an adjacent one of the plurality of green bodies within a firing chamber such that upon heating with electromagnetic waves each green body is subject to no more than about 5 times the power density at the boundary than in the bulk thereof.
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公开(公告)号：CA2024143A1
公开(公告)日：1991-08-02
申请号：CA2024143
申请日：1990-08-28
Applicant: CORNING INC
Inventor： KETCHAM THOMAS D , ST JULIEN DELL J , WEXELL KATHLEEN A , SANDERSON WAYNE B
Abstract: Thin inorganic sintered structures having strength and flexibility sufficient to permit bending without breakage in at least one direction to a radius of curvature of less than 20 centimeters, methods for making them, and products incorporating them, are described. Preferred sintered ceramic structures according to the invention can comprise zirconias, titanias, aluminas, silicas, rare earth metal oxides, alkaline oxides, alkaline earth metal oxides and first, second, and third transition series metal oxides and combinations thereof and therebetween. Sintered metal structures can also be provided.
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Patent Agency Ranking
公开(公告)号：CA2066496C
公开(公告)日：2003-10-28
申请号：CA2066496
申请日：1992-04-21
Applicant: CORNING INC
Inventor： NIGRIN JAROSLAVA M , WEXELL KATHLEEN A , WEXELL DALE R
Abstract: This invention relates to a method for eliminating the grayish discoloration which commonly develops when lead- free and cadmium-free glass frits axe applied to substrates utilizing an organic medium and thereafter fired to fuse the frit particles into a glaze. The grayish discoloration contains a carbonaceous residue from the organic medium. The method comprises the four general steps: (1) adsorbing a coating of a strongly oxidizing metal ion species onto the surface of the frit particles; (2) mixing the coated frit particles with an organic medium; (3) applying that mixture to a substrate; and (4) firing the mixture to eliminate the organic medium and to oxidize the carbonaceous residue while fusing the frit particles into a glaze.
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公开(公告)号：CA2066496A1
公开(公告)日：1993-01-02
申请号：CA2066496
申请日：1992-04-21
Applicant: CORNING INC
Inventor： NIGRIN JAROSLAVA M , WEXELL KATHLEEN A , WEXELL DALE R
Abstract: This invention relates to a method for eliminating the grayish discoloration which commonly develops when leadfree and cadmium-free glass frits are applied to substrates utilizing an organic medium and thereafter fired to fuse the frit particles into a glaze. The grayish discoloration contains a carbonaceous residue from the organic medium. The method comprises the four general steps: (1) adsorbing a coating of a strongly oxidizing metal ion species onto the surface of the frit particles; (2) mixing the coated frit particles with an organic medium; (3) applying that mixture to a substrate; and (4) firing the mixture to eliminate the organic medium and to oxidize the carbonaceous residue while fusing the frit particles into a glaze.
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公开(公告)号：CA2025183A1
公开(公告)日：1991-04-27
申请号：CA2025183
申请日：1990-09-12
Applicant: CORNING INC
Inventor： CARRIER GERALD B , FRANCIS GAYLORD L , PAISLEY ROBERT J , TROTTER DONALD M JR , WEXELL KATHLEEN A
Abstract: There is disclosed a sintered, alpha-cordierite solid solution glass-ceramic body in which the properties of coefficient of thermal expansion and modulus of rupture are stabilized and controlled by using a combination of two dopants in the glass during sintering and crystallization. There is further disclosed the method of producing such bodies, and controlling such properties, through the use othe two dopants.
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公开(公告)号：WO02054829A3
公开(公告)日：2004-03-18
申请号：PCT/US0144824
申请日：2001-11-29
Applicant: CORNING INC
Inventor： ARAYA CARLOS R , BRENNAN JOHN H , WEXELL KATHLEEN A , SQUIER GARY G
IPC: B28B11/00 , C04B35/195 , C04B35/48 , C04B35/565 , C04B35/64 , C04B38/00 , H05B6/80 , C04B33/32
CPC classification number: C04B38/0006 , C04B35/195 , C04B35/48 , C04B35/565 , C04B35/64 , H05B6/80 , H05B2206/046 , C04B40/0218
Abstract: A method of heating a plurality of ceramic bodies, includes: a) providing ceramic forming raw materials and blending the raw materials with an effective amount of vehicle and forming aids to form a plastic mixture therefrom and thereafter forming the plastic raw material mixture into a plurality of green bodies; b) placing each one of the plurality of green bodies in proximity to an adjacent one of the plurality of green bodies such that upon heating with electromagnetic waves each green body is subject to no more than about 1.5 times the power density at the boundary than in the bulk thereof; and c) drying the green bodies utilizing energy in the form of electromagnetic waves. The formed green bodies may be honeycomb cellular cordierite bodies .
Abstract translation: 一种加热多个陶瓷体的方法包括：a）提供陶瓷成型原料，并将原料与有效量的车辆和成型助剂混合以形成塑料混合物，然后将塑料原料混合物形成多个 的绿体; b）将所述多个生坯体中的每一个放置在所述多个生坯体中相邻的一个生坯体附近，使得当用电磁波加热时，每个生坯体的边界处的功率密度不超过其边界处的功率密度的约1.5倍 其大部分; 和c）利用电磁波形式的能量干燥生物体。 形成的生坯可以是蜂窝状的堇青石体。
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公开(公告)号：EP1421040A4
公开(公告)日：2007-08-15
申请号：EP01995999
申请日：2001-11-29
Applicant: CORNING INC
Inventor： ARAYA CARLOS R , BRENNAN JOHN H , WEXELL KATHLEEN A , SQUIER GARY G
IPC: B01J19/12 , B28B11/00 , C04B35/195 , C04B35/48 , C04B35/565 , C04B35/64 , C04B38/00 , H05B6/64 , H05B6/80
CPC classification number: C04B38/0006 , C04B35/195 , C04B35/48 , C04B35/565 , C04B35/64 , H05B6/80 , H05B2206/046 , C04B40/0218
Abstract: A method of heating a plurality of ceramic bodies, includes: a) providing ceramic forming raw materials and blending the raw materials with an effective amount of vehicle and forming aids to form a plastic mixture therefrom and thereafter forming the plastic raw material mixture into a plurality of green bodies; b) placing each one of the plurality of green bodies in proximity to an adjacent one of the plurality of green bodies such that upon heating with electromagnetic waves each green body is subject to no more than about 1.5 times the power density at the boundary than in the bulk thereof; and c) drying the green bodies utilizing energy in the form of electromagnetic waves. The formed green bodies may be honeycomb cellular cordierite bodies .
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