| 摘要 |
<p>A method for piercing or severing one or more sheets that have a layer of pressure sensitive adhesive along one surface. A layer of lubricating material that may be micro-encapsulated is positioned adjacent the layer of pressure sensitive adhesive. Severing or piercing the sheet will transfer a sufficient quantity of the lubricant to the implement doing the severing or piercing to restrict transfer of pressure sensitive adhesive to that implement.</p> |
