Patents by Inventor Keun Choon Jeong

Keun Choon Jeong 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).

  • Method for manufacturing pressure container having opposite dome ends with different opening diameters
    Patent number: 5348698
    Abstract: A method for manufacturing a pressure container having opposite dome ends with different opening diameters, comprising double-stepped windings involving a primary winding carried out at a small winding angle in a polar winding manner, for forming a primary form on a mandrel provided with bosses having different diameters and a secondary winding carried out at a large winding angle in a helical winding manner, for forming a secondary form on the primary form. The polar winding is carried out under the condition that a metal inserter having a diameter similar to that of the smaller boss is mounted to the larger boss, to be protruded axially outwardly of the larger boss.
    Type: Grant
    Filed: March 11, 1993
    Date of Patent: September 20, 1994
    Assignee: Agency of Defense Development
    Inventors: Byeong Yeol Park, Sang Ki Chung, Bal Jung, Keun Choon Jeong, Jong Sik Kim