refined to screw caps of jars and the like opener.

摘要

perfected for screw caps for jars and similar, characterized in that it consists of a laminar elastic material slip nature element, which element is provided on its sides with a raised protrusion of its own material, preferably radial grooves in one of the opener faces and highlighted in the other points, so that said element allows, by interposing a perfect adhesion hand slip to the surface of one stage to operate, thereby facilitating effective action in question.