Patents Assigned to Kyowairika Co., Ltd.
  • UV-sterilizer for a dental implement such as a reamer and drill
    Patent number: 4772795
    Abstract: A UV-sterilizer for a dental implement such as a reamer or drill permitting rapid and perfect irradiation and easy operation, comprising a sterilizer housing, a holder tube made of a transparent quartz glass tube and a plurality of UV-sterilizer lamps, both the holder tube and UV-sterilizer lamps being disposed within the sterilizer housing, wherein the sterilizer housing is provided with reflector plates and a gate mechanism substantially similar to a photographic diaphragm mechanism on an open end of the holder tube.
    Type: Grant
    Filed: March 20, 1987
    Date of Patent: September 20, 1988
    Assignee: Kyowairika Co., Ltd.
    Inventors: Masatoshi Sakurai, Akio Shigeno, Yoshihiko Noguchi