| abstract |
The inner shape of the body part in a hollow ceramic moldednarticle constituting a precursor of a discharge vessel isnprecisely controlled so as to make a large improvement in thenfunction of a discharge vessel formed by baking the hollownceramic molded article. n With the use of a core for molding having a wax moldednarticle or molded article made of waxy substance, a slurrynfor molding is injected into a forming mold and cured, wherebyna hollow ceramic molded article with a controlled inner shapenof the body part is formed on the outer circumferential surfacenof the wax molded article or molded article made of waxynsubstance. The hollow ceramic molded article is baked tonproduce a discharge vessel. |