Title:
IMPREGNATION CRUCIBLE
Document Type and Number:
Japanese Patent JP2020121892
Kind Code:
A
Abstract:
To provide an impregnation crucible which has improved use life.SOLUTION: A method for manufacturing an impregnation crucible includes: a depressurization step (A) of putting a reduced and fired crucible material 10 into an empty impregnation tank 11 and depressurizing inside of the impregnation tank 11; a filling step (B) of filling the depressurized impregnation tank 11 with a solution 12 of an erosion resistant component through a conduit 14 from a solution tank 13; a pressurization step (C) of pressurizing the inside of the impregnation tank 11 filled with the solution 12 of the erosion resistant component, and impregnating a pore of the crucible material 10 with the erosion resistant component; and an opening step (D) of impregnating the pore with the erosion resistant component in the impregnation tank 11 and then opening the impregnation tank 11 to the air, and simultaneously returns the solution 12 of the erosion resistant component to the solution tank 13 through the conduit 14 from the impregnation tank 11 and takes out the crucible material 10 from the impregnation tank 11.SELECTED DRAWING: Figure 1
Inventors:
YAMAMOTO SHIGENORI
HIDAKA KENTA
HASE TATSUYA
HIDAKA KENTA
HASE TATSUYA
Application Number:
JP2019012903A
Publication Date:
August 13, 2020
Filing Date:
January 29, 2019
Export Citation:
Assignee:
AKECHI CERAM CO LTD
International Classes:
C04B41/85; C04B35/52; F27B14/10
Domestic Patent References:
| JPS62297281A | 1987-12-24 | |||
| JPS5742581A | 1982-03-10 | |||
| JPH04300247A | 1992-10-23 | |||
| JPS55158176A | 1980-12-09 | |||
| JPS62246888A | 1987-10-28 | |||
| JPS6452687A | 1989-02-28 | |||
| JP2017173033A | 2017-09-28 | |||
| JPS62223063A | 1987-10-01 |
Attorney, Agent or Firm:
Hajime Miyake
Masaya Ariga
Masaya Ariga