DIE FOR FORMING HONEYCOMB STRUCTURE AND MANUFACTURING METHOD OF DIE FOR FORMING HONEYCOMB STRUCTURE

• Main Authors: KITAMURA, KAZUMASA, NAGAE, TOMOKI
• Format: Patent
• Language: English; French
• Published: 05.06.2010
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CASTING; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; PERFORMING OPERATIONS; POWDER METALLURGY; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING METALLIC POWDER; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Here is disclosed a die 1 for forming a honeycomb structure provided with back pores 4 through which a forming material is introduced and slits 5 through which the forming material is extruded into a lattice-like shape, and the die comprises a first plate-like member 2 made of a super hard alloy containing tungsten carbide and a bonding agent and provided with the back pores 4 extending in a thickness direction; and a second plate-like member 2 bonded to the first plate-like member 2, made of the super hard alloy containing tungsten carbide and the bonding agent, and provided with the slits 5 connected to the back pores 4, wherein the bonding agent is dispersed in a less amount in a bonded part 6 between the first plate-like member 2 and the second plate-like member 3 than in the other part.