Patents Assigned to Usui Kokusai Sangyo Kaishi Limited
  • Joint for piping
    Patent number: 7014221
    Abstract: A joint for piping includes a pipe with an annular swelling wall and a connector body with a socket that includes locking pieces. The locking pieces hold the annular swelling wall when the pipe is inserted through the connector body to connector the pipe to the connector body. A projected member on the pipe fits in a recess on the connector body to prevent rotation between the pipe and the connector body.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: March 21, 2006
    Assignee: Usui Kokusai Sangyo Kaishi Limited
    Inventors: Kazuo Iwasaki, Takamitsu Kobayashi, Yusushi Tsuchiya, Yoshinori Ishii, Kazuya Suzuki, Nagahisa Amano