Patents by Inventor Fumikazu Ishibe

Fumikazu Ishibe has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Pipe joint
    Patent number: 9182061
    Abstract: A pipe joint comprising a pressing nut into which a flexible pipe is inserted, a joint body into which the pressing nut is partially inserted, a resilient means unlocked when pushed by a tip end of the flexible pipe, a sealing member, a retainer engaging the flexible pipe, and an engaging mechanism keeping the pressing nut at a predetermined position in the joint body; the engaging mechanism comprising a stop ring, an annular groove formed on an outer surface of the pressing nut for receiving the stop ring, pluralities of engaging grooves formed on an inner surface of the joint body for receiving the stop ring and communicating with each other; the stop ring engaging both of the annular groove and the first engaging groove before the connection of the flexible pipe is completed; and when the flexible pipe is pulled after completing the connection, the stop ring moving from the first engaging groove to the second engaging groove to draw the pressing nut from the joint body, so that the normal connection of the
    Type: Grant
    Filed: May 7, 2010
    Date of Patent: November 10, 2015
    Assignees: HITACHI METALS, LTD., TOKYO GAS CO., LTD., SANKOH CO., LTD.
    Inventors: Tamaki Hamaguchi, Tomoyuki Minami, Fumitaka Satoh, Takaaki Inotani, Fumikazu Ishibe, Satoru Araki, Youichi Uchiumi, Takuji Okiayu, Akihiro Hattori
  • PIPE JOINT
    Publication number: 20120068454
    Abstract: A pipe joint comprising a pressing nut into which a flexible pipe is inserted, a joint body into which the pressing nut is partially inserted, a resilient means unlocked when pushed by a tip end of the flexible pipe, a sealing member, a retainer engaging the flexible pipe, and an engaging mechanism keeping the pressing nut at a predetermined position in the joint body; the engaging mechanism comprising a stop ring, an annular groove formed on an outer surface of the pressing nut for receiving the stop ring, pluralities of engaging grooves formed on an inner surface of the joint body for receiving the stop ring and communicating with each other; the stop ring engaging both of the annular groove and the first engaging groove before the connection of the flexible pipe is completed; and when the flexible pipe is pulled after completing the connection, the stop ring moving from the first engaging groove to the second engaging groove to draw the pressing nut from the joint body, so that the normal connection of the
    Type: Application
    Filed: May 7, 2010
    Publication date: March 22, 2012
    Applicants: HITACHI METALS LTD., SANKOH CO., LTD., TOKYO GAS CO., LTD.
    Inventors: Tamaki Hamaguchi, Tomoyuki Minami, Fumitaka Satoh, Takaaki Inotani, Fumikazu Ishibe, Satoru Araki, Youichi Uchiumi, Takuji Okiayu, Akihiro Hattori