公开(公告)号：US20190218150A1

公开(公告)日：2019-07-18

申请号：US16231652

申请日：2018-12-24

Applicant: NGK INSULATORS, LTD.

Inventor： Chikashi IHARA ,  Shinya YOSHIDA ,  Yoshiyuki KAMEI ,  Masato SHIMADA

IPC: C04B41/00 ,  C04B14/04 ,  C04B41/50

CPC classification number: C04B41/009 ,  C04B14/04 ,  C04B35/64 ,  C04B41/5076

Abstract: A method of producing a ceramic fired body may includes a step of passing a first accommodating shelf through a firing kiln, the first accommodating shelf including a stack of units of a shelf plate and a frame placed on the shelf plate, one or more ceramic bodies placed on the shelf plate being surrounded by the frame extending in a circumferential direction between the shelf plates; a step of retrieving one or more frames from the first accommodating shelf which has passed through the firing kiln; a step of using the one or more retrieved frames to build a second accommodating shelf for passing through the firing kiln; and a step of rotating the retrieved frame such that a rotational position of the retrieved frame when the second accommodating shelf passes through the firing kiln is different from a rotational position of the retrieved frame when the first accommodating shelf passed through the firing kiln.

公开(公告)号：US20180265419A1

公开(公告)日：2018-09-20

申请号：US15906153

申请日：2018-02-27

Applicant: NGK INSULATORS, LTD.

Inventor： Chikashi IHARA ,  Shinya YOSHIDA ,  Masato SHIMADA ,  Yoshiyuki KAMEI

IPC: C04B38/00

CPC classification number: C04B38/0006 ,  B28B3/20 ,  B28B11/243 ,  B28B2003/203 ,  C04B35/565 ,  C04B35/64 ,  C04B2235/658 ,  C04B2235/6582 ,  C04B2235/661 ,  C04B2235/664 ,  C04B2235/77 ,  C04B2235/96 ,  C04B2235/9607 ,  C04B2235/9623

Abstract: A manufacturing method of a silicon carbide-based honeycomb structure, including a firing step of introducing extruded honeycomb formed bodies containing a silicon carbide-based component, together with firing members into a firing furnace, and firing the honeycomb formed bodies, to manufacture the silicon carbide-based honeycomb structure, wherein the firing members are formed by using a ceramic material containing 70 wt % or more of alumina, and the firing step further includes: an inert gas supplying step of supplying an inert gas to a furnace space of the firing furnace, and a gas adding step of adding a reducing gas to the furnace space.