Patents Assigned to JUNG WOO METAL IND. CO., LTD.
  • Patent number: 8528944
    Abstract: A stopper grip ring for plumbing pipes. A stopper grip ring for plumbing pipes, according to an exemplary embodiment of the present disclosure, includes: an outer circumferential portion which forms an outer diameter of a ring shape; an O-ring supporting portion formed to be bent at one side of the outer circumferential portion so as to come into contact with an O-ring and having an entry inducing portion which is formed to be inclined at one end portion, and an inserting portion which is formed at the other end portion and enters while being induced by the entry inducing portion; and a stopper portion formed to be bent at the other side of the outer circumferential portion so as to be spaced apart from the O-ring supporting portion and having a sharpened portion which is formed at an edge and is divided by a plurality of slits.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: September 10, 2013
    Assignee: Jung Woo Metal Ind. Co., Ltd.
    Inventor: Kwang-Won Lee
  • Publication number: 20130200613
    Abstract: Disclosed is a stopper grip ring for plumbing pipes. A stopper grip ring for plumbing pipes, according to an exemplary embodiment of the present disclosure, includes: an outer circumferential portion which forms an outer diameter of a ring shape; an O-ring supporting portion formed to be bent at one side of the outer circumferential portion so as to come into contact with an O-ring and having an entry inducing portion which is formed to be inclined at one end portion, and an inserting portion which is formed at the other end portion and enters while being induced by the entry inducing portion; and a stopper portion formed to be bent at the other side of the outer circumferential portion so as to be spaced apart from the O-ring supporting portion and having a sharpened portion which is formed at an edge and is divided by a plurality of slits.
    Type: Application
    Filed: January 31, 2013
    Publication date: August 8, 2013
    Applicant: JUNG WOO METAL IND. CO., LTD.
    Inventor: Jung Woo Metal Ind. Co., Ltd.
  • Patent number: D731036
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: June 2, 2015
    Assignee: JUNG WOO METAL IND. CO., LTD.
    Inventor: Kwang Won Lee
  • Patent number: D778413
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: February 7, 2017
    Assignee: JUNG WOO METAL IND. CO., LTD.
    Inventor: Kwang Won Lee
  • Patent number: D837346
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: January 1, 2019
    Assignee: JUNG WOO METAL IND. CO., LTD.
    Inventor: Kwang Won Lee