Patents Examined by Cinoy A. Cherichetti
  • Pallet for handling dental porcelain materials
    Patent number: 5052926
    Abstract: A pallet for handling water-permeable dental porcelain materials comprises a porous ceramic material formed of one or two or more selected from the group consisting of materials based on alumina, aluminium silicate, mullite, cordierite, zirconia and vitreous china and having a grain size of 1.0 to 30.0 .mu.m and a mean grain size of 1.5 to 25.0 .mu.m. The porous ceramic material having fine and even pores uniformly dispersed therethrough, as expressed in terms of a porosity of 15 to 65% and a mean pore size of 0.5 to 10 .mu.m.
    Type: Grant
    Filed: March 29, 1990
    Date of Patent: October 1, 1991
    Assignee: G-C Toshi Kogyo Corporation
    Inventors: Tsugumichi Kawasaki, Hiroyuki Hino