Patents Assigned to PPI AMERICA INC.
  • Publication number: 20240019054
    Abstract: The present disclosure relates to a fixing cap assembly and a pipe fitting including same. The fixing cap assembly according to an embodiment of The present disclosure comprises: a fixing cap fastened to a connection portion of a main body, to which at least one pipe is connected, and fixing the main body and the pipe to each other; a washer which is positioned inside the fixing cap and compresses a sealing member (120), interposed between the main body and the pipe, as the fixing cap is fastened, and of which the diameter contracts and is restored in the radial direction; and a coupling member including a plurality of tooth-shaped protrusions which protrude radially from the inner circumferential surface of the washer toward the outer circumferential surface of the pipe and press the outer circumferential surface of the pipe as the washer contracts, thereby fixing the pipe.
    Type: Application
    Filed: March 19, 2021
    Publication date: January 18, 2024
    Applicants: PPI CO., LTD., PPI AMERICA INC.
    Inventors: Jong-Tae LEE, Hye-Jung LEE, Ki-Woong HWANG
  • Patent number: 11873923
    Abstract: A pipe-fitting includes a plurality of pipe receiving portions, a hollow joint for connecting the plurality of pipe receiving portions to each other, a sealing member received in a sealing member-receiving groove, and a plurality of hollow fixing-caps, wherein each fixing-cap is screwed to a distal end of each pipe receiving portion to press the sealing member to be brought into close contact with each pipe. A fixing-cap stopper is formed on an outer circumferential face of each pipe receiving portion. The fixing-cap stopper includes a fixing-cap fixing portion including a plurality of fixing protrusions protruding toward a proximal end of the fixing-cap. A plurality of fixing-protrusion-receiving grooves is defined in the proximal end of each fixing-cap for receiving the fixing-protrusions therein respectively.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: January 16, 2024
    Assignees: PPI PYUNGWHA CO., LTD, PPI AMERICA INC.
    Inventors: Hye-Jung Lee, Jong-Tae Lee, Ki-Woong Hwang
  • Patent number: 11002389
    Abstract: A one-touch pipe connection device includes a socket main body portion including a plurality of pipe fitting portions in each of which a pipe is inserted; a sealing portion that provides sealing between the socket main body portion and the pipe; and a cap portion having a through hole through which the pipe is inserted into the pipe fitting portion and configured to be coupled to the pipe fitting portion by rotation while moving towards the pipe fitting portion such that the sealing portion is pressed and deformed to closely contact the pipe.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: May 11, 2021
    Assignees: PPI PYUNGWHA CO., LTD., PPI AMERICA INC.
    Inventors: Jong-Tae Lee, Ki-Woong Hwang
  • Patent number: 10240696
    Abstract: The present invention relates to a pipe having resistance to both flame and cold, where the pipe has good flame resistance to prevent flame or smoke from spreading through the pipe penetrating into the floor or wall in the case of a fire and also has good smoke resistance to prevent deterioration in the physical properties of the pipe even in the cold weather.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: March 26, 2019
    Assignees: PPI PYUNGWHA CO., LTD., PPI AMERICA, INC.
    Inventor: Jong-Tae Lee
  • Publication number: 20190063643
    Abstract: A one-touch pipe connection device includes a socket main body portion, wherein a plurality of pipe fitting portion, in each of which a pipe to be connected is inserted, are connected to each other, a sealing portion provided between the socket main body portion and the pipe to be connected and sealing between the pipe to be connected inserted in the pipe fitting portion and the socket main body portion, and a cap portion having a through hole therein for passing the pipe to be connected inserted in the pipe fitting portion, coupled to the pipe fitting portion while moving in an insertion direction of the pipe to be connected inserted in the pipe fitting portion, and, when coupled to the pipe fitting portion, pressing the sealing portion in a direction in which the sealing portion closely contacts the pipe to be connected.
    Type: Application
    Filed: October 16, 2017
    Publication date: February 28, 2019
    Applicants: PPI PYUNGWHA CO., LTD., PPI AMERICA INC., Hye-Jung LEE
    Inventors: Jong-Tae LEE, Ki-Woong HWANG
  • Patent number: D849892
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: May 28, 2019
    Assignees: PPI PYUNGWHA CO., LTD., PPI AMERICA INC.
    Inventors: Jong-Tae Lee, Kiwoong Hwang
  • Patent number: D857856
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: August 27, 2019
    Assignees: PPI PYUNGWHA CO., LTD., PPI AMERICA INC.
    Inventors: Jong-Tae Lee, Kiwoong Hwang
  • Patent number: D857857
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: August 27, 2019
    Assignees: PPI PYUNGWHA CO., LTD., PPI AMERICA INC.
    Inventors: Jong-Tae Lee, Kiwoong Hwang
  • Patent number: D858720
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: September 3, 2019
    Assignees: PPI PYUNGWHA CO., LTD., PPI America Inc.
    Inventors: Jong-Tae Lee, Kiwoong Hwang
  • Patent number: D861836
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: October 1, 2019
    Assignees: PPI PYUNGWHA CO., LTD., PPI AMERICA INC.
    Inventors: Jong-Tae Lee, Kiwoong Hwang