Patent ID: 7997888

Claim:
A die for forming a honeycomb structure, provided with back pores through which a forming material is introduced and slits through which the forming material is extruded into a lattice-like shape, the die comprising: a first plate-like member made of a super hard alloy containing tungsten carbide and a bonding agent and provided with the back pores extending in a thickness direction; and a second plate-like member bonded to the first plate-like member, made of the super hard alloy containing tungsten carbide and the bonding agent, and provided with the slits connected to the back pores, wherein the bonding agent is dispersed in a lesser amount in a bonded part of the first plate-like member and the second plate-like member between the first plate-like member and the second plate-like member than in the other part of the first plate-like member and the second plate-like member.