Copyright © Philip M. Parker, INSEAD. Terms of Use.

| Year | Description |
| 1991 | Invention patented by Satoru Ninomiya and Hideo Matsui on March 3rd, 1991. Abstract: A pouring plug for a container having two members, namely a tubular body for mounting on a container wall and a lid mounted or threadedly mounted internally of the tubular body, a tubular blade is connected to an end of a mounting portion or threaded mounting portion of the lid by an easily rupturable connecting portion or portions, and a separating structure is provided between the tubular blade and the mounting portion or the threaded mounting portion. Rotation-stop elements for the tubular blade are provided between the outer wall of the tubular blade and the inner wall of the tubular body. |
| Source: selected by the editor from original sources. | |
Copyright © Philip M. Parker, INSEAD. Terms of Use.