Patent ID: 11911753
Assignee: NGK INSULATORS, LTD.
Field: Materials, metallurgy (Chemistry)
Classification: CPC B  C | IPC B

Claim 0:
1. A method for producing a ceramic honeycomb structure, the ceramic honeycomb structure comprising:
an outer peripheral wall;
a partition wall disposed on an inner side of the outer peripheral wall, the partition wall defining a plurality of cells, each of the plurality of cells extending from one end face to the other end face to form a flow path,
at least one slit extending from one end face to the other end face of the ceramic honeycomb structure; and
a filling material filling each slit;
wherein the method comprises the steps of:
preparing a ceramic honeycomb structure element comprising at least one slit extending from one end face to the other end face of the ceramic honeycomb structure element;
masking one end face of the ceramic honeycomb structure element except for the slit; and
providing the ceramic honeycomb structure element comprising the at least one slit filled with the filling material by applying a pressure to an axial direction of the ceramic honeycomb structure element and feeding the filling material from the one end face to intrude the filling material from the slit on the one end face side to the slit on the other end face side.