Patents Assigned to Sakamoto Steel Ruledie, Inc.
  • Paper container
    Patent number: 7100794
    Abstract: A paper container comprises: a container main body in the form of a rectangular parallelepiped that accommodates a number of papers or the like, such as tissue papers, that are placed one upon another, being folded; and an opening portion which is formed on a top of the container main body, wherein respective cuts 5 for a pair of up and down movable flaps 3a, 3b, and pairs of side flaps 4a, 4b, 4c, 4d are formed with a waved blade (corrugated) cutting tool whose blade portion has a pitch of 0.1 to 3.0 mm.
    Type: Grant
    Filed: March 11, 2004
    Date of Patent: September 5, 2006
    Assignee: Sakamoto Steel Ruledie, Inc.
    Inventor: Yuzo Sakamoto