| 摘要 |
<p>The subject of invention is a plastic stopper with an extraction insert, which enables the extraction of a cylindrical plastic stopper out of a bottle without using any additional tool or any special opener, designed for the purpose. The insert (2) with pointed outgrowths (4) has been installed into the cylindrical body (1) of the plastic stopper near one of its ends during the injection moulding process. A pull-out cord (3) is attached to the insert (2). After the insertion of the stopper according to the invention, the top and the upper part of a bottleneck may be covered by a sheath (5) made of paper or by a thin sheet with one or several perforation lines (6) on the perimeter along the bottleneck.</p> |
