公开(公告)号：US11806777B2

公开(公告)日：2023-11-07

申请号：US16684679

申请日：2019-11-15

Applicant: AGC CERAMICS CO., LTD.

Inventor： Shohachi Inoie ,  Hiroshi Inoie ,  Miki Inoie ,  Yukihiro Ushimaru

IPC: C04B28/10 ,  B22C9/02 ,  B22C1/18 ,  C04B111/00

CPC classification number: B22C9/02 ,  B22C1/181 ,  C04B28/105 ,  C04B2111/00181

Abstract: A molding material in a powder-fixing lamination method includes an aggregate and a powdery precursor of a binder that binds the aggregate mutually. The aggregate is a casting sand, and the powdery precursor contains a hardening component and a hardening accelerating component. A molded product is manufactured using the molding material.

公开(公告)号：US20200078856A1

公开(公告)日：2020-03-12

申请号：US16684679

申请日：2019-11-15

Applicant: AGC CERAMICS CO., LTD.

Inventor： Shohachi Inoie ,  Hiroshi Inoie ,  Miki Inoie ,  Yukihiro Ushimaru

IPC: B22C9/02 ,  B22C1/18 ,  C04B28/10

Abstract: A molding material in a powder-fixing lamination method includes an aggregate and a powdery precursor of a binder that binds the aggregate mutually. The aggregate is a casting sand, and the powdery precursor contains a hardening component and a hardening accelerating component. A molded product is manufactured using the molding material.

公开(公告)号：US10815155B2

公开(公告)日：2020-10-27

申请号：US16124913

申请日：2018-09-07

Applicant: AGC CERAMICS CO., LTD.

Inventor： Kenji Matano ,  Nobuo Tomura

IPC: C04B35/484 ,  C03B5/43 ,  C04B35/05 ,  C04B35/48 ,  F27D1/00 ,  C04B35/66 ,  C04B35/657

Abstract: To provide a high-zirconia electrocast refractory in which occurrence of cracks in manufacture and occurrence of cracks in use as a furnace material is further reduced while maintaining extremely high corrosion resistance to molten glass. The high-zirconia electrocast refractory contains 96.7 to 98.5 mass % of ZrO2, 0.8 to 2.7 mass % of SiO2, 0 to 0.2 mass % of Na2O, 0.21 to 1 mass % of K2O, 0.1 to 0.4 mass % of Al2O3, and does not substantially contain B2O3, in terms of oxide, as a chemical composition, wherein contents of the Na2O and the K2O satisfy a relation of following Formula (1) 0.15 mass %≤CK2O/2+CNa2O≤0.6 mass %  (1) where CK2O is the content of K2O and CNa2O is the content of Na2O, and each of the contents is expressed by mass % in the refractory.

公开(公告)号：US09056797B2

公开(公告)日：2015-06-16

申请号：US14108638

申请日：2013-12-17

Applicant: AGC CERAMICS CO., LTD.

Inventor： Yukihiro Ushimaru ,  Shinya Hayashi

IPC: C04B35/484 ,  C04B35/48 ,  C03B5/43 ,  C04B35/657 ,  F27D1/00

CPC classification number: C04B35/48 ,  C03B5/43 ,  C04B35/484 ,  C04B35/657 ,  C04B2235/3201 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3217 ,  C04B2235/3232 ,  C04B2235/3244 ,  C04B2235/3248 ,  C04B2235/3272 ,  C04B2235/34 ,  C04B2235/3409 ,  C04B2235/3418 ,  C04B2235/447 ,  C04B2235/72 ,  C04B2235/725 ,  C04B2235/727 ,  C04B2235/77 ,  C04B2235/9669 ,  F27D1/00 ,  F27D1/0006 ,  Y02P40/57

Abstract: To provide a high zirconia fused cast refractory which has high corrosion resistance to molten glass and which is scarcely susceptible to cracking during its production. A high zirconia fused cast refractory which has a chemical composition comprising from 96.5 to 98.5 mass % of ZrO2, from 0.8 to 2.7 mass % of SiO2, from 0.04 to 0.35 mass % in a total amount of Na2O and K2O, and from 0.02 to 0.18 mass % of B2O3, wherein contents of Na2O, K2O and B2O3 satisfy the relation of the following formula (1) at the same time: 0.03≧CB2O3−(CNa2O+CK2O)  (1) wherein CNa2O is the content of Na2O, CK2O is the content of K2O, and CB2O3 is the content of B2O3, and each of these contents represents mass % in the refractory.

Abstract translation: 提供对熔融玻璃具有高耐腐蚀性且在其生产过程中几乎不易开裂的高氧化锆熔融铸造耐火材料。 具有ZrO 2 96.5〜98.5质量％，SiO 2 0.8〜2.7质量％，Na 2 O，K 2 O总量为0.04〜0.35质量％，0.02〜0.18的高熔点氧化锆熔融耐火材料 质量％的B2O3，其中Na2O，K2O和B2O3的含量同时满足下式（1）的关系：0.03≥CB2O3-（CNa2O + CK2O）（1）其中CNa2O是Na2O的含量，CK2O是 K2O和CB2O3的含量是B2O3的含量，这些含量都表示耐火材料的质量％。

公开(公告)号：US20140187408A1

公开(公告)日：2014-07-03

申请号：US14108638

申请日：2013-12-17

Applicant: AGC CERAMICS CO., LTD.

Inventor： Yukihiro USHIMARU ,  Shinya Hayashi

IPC: C04B35/48

CPC classification number: C04B35/48 ,  C03B5/43 ,  C04B35/484 ,  C04B35/657 ,  C04B2235/3201 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3217 ,  C04B2235/3232 ,  C04B2235/3244 ,  C04B2235/3248 ,  C04B2235/3272 ,  C04B2235/34 ,  C04B2235/3409 ,  C04B2235/3418 ,  C04B2235/447 ,  C04B2235/72 ,  C04B2235/725 ,  C04B2235/727 ,  C04B2235/77 ,  C04B2235/9669 ,  F27D1/00 ,  F27D1/0006 ,  Y02P40/57

Abstract: To provide a high zirconia fused cast refractory which has high corrosion resistance to molten glass and which is scarcely susceptible to cracking during its production. A high zirconia fused cast refractory which has a chemical composition comprising from 96.5 to 98.5 mass % of ZrO2, from 0.8 to 2.7 mass % of SiO2, from 0.04 to 0.35 mass % in a total amount of Na2O and K2O, and from 0.02 to 0.18 mass % of B2O3, wherein contents of Na2O, K2O and B2O3 satisfy the relation of the following formula (1) at the same time: 0.03≧CB2O3−(CNa2O+CK2O)  (1) wherein CNa2O is the content of Na2O, CK2O is the content of K2O, and CB2o3 is the content of B2O3, and each of these contents represents mass % in the refractory.

Abstract translation: 提供对熔融玻璃具有高耐腐蚀性且在其生产过程中几乎不易开裂的高氧化锆熔融铸造耐火材料。 具有ZrO 2 96.5〜98.5质量％，SiO 2 0.8〜2.7质量％，Na 2 O，K 2 O总量为0.04〜0.35质量％，0.02〜0.18的高熔点氧化锆熔融耐火材料 质量％的B2O3，其中Na2O，K2O和B2O3的含量同时满足下式（1）的关系：0.03≥CB2O3-（CNa2O + CK2O）（1）其中CNa2O是Na2O的含量，CK2O是 K2O和CB2o3的含量是B2O3的含量，这些含量都表示耐火材料的质量％。

公开(公告)号：US20190077714A1

公开(公告)日：2019-03-14

申请号：US16124913

申请日：2018-09-07

Applicant: AGC Ceramics Co., Ltd.

Inventor： Kenji Matano ,  Nobuo Tomura

IPC: C04B35/484 ,  C03B5/43

CPC classification number: C04B35/484 ,  C03B5/43 ,  C04B35/05 ,  C04B35/48 ,  C04B35/657 ,  C04B35/66 ,  C04B2235/3201 ,  C04B2235/3217 ,  C04B2235/3418 ,  C04B2235/6565 ,  C04B2235/72 ,  C04B2235/96 ,  C04B2235/9607 ,  C04B2235/9669 ,  F27D1/0006

Abstract: To provide a high-zirconia electrocast refractory in which occurrence of cracks in manufacture and occurrence of cracks in use as a furnace material is further reduced while maintaining extremely high corrosion resistance to molten glass. The high-zirconia electrocast refractory contains 96.7 to 98.5 mass % of ZrO2, 0.8 to 2.7 mass % of SiO2, 0 to 0.2 mass % of Na2O, 0.21 to 1 mass % of K2O, 0.1 to 0.4 mass % of Al2O3, and does not substantially contain B2O3, in terms of oxide, as a chemical composition, wherein contents of the Na2O and the K2O satisfy a relation of following Formula (1) 0.15 mass %≤CK2O/2+CNa2O≤0.6 mass %  (1) where CK2O is the content of K2O and CNa2O is the content of Na2O, and each of the contents is expressed by mass % in the refractory.