Patents Assigned to Sam Hongea Co., Ltd.
  • Gas cylinder
    Patent number: 6840484
    Abstract: Disclosed is a gas cylinder including: a spindle at least having a flange washer of a cavity shape having a region D1 and a region D2 whose inner diameters are different; a piston inserted to the open inside of the spindle; a piston rod whose one end is fixed in the piston; a base tube having a mounting member on which the lower end of the spindle is mounted with the mounting member inserted to the flange washer; and a pipe holder inserted to the tapered portion in the upper part of the spindle.
    Type: Grant
    Filed: June 4, 2003
    Date of Patent: January 11, 2005
    Assignee: Sam Hongea Co., Ltd.
    Inventor: Young Sang Jeon