| 摘要 |
<p>The device has a core/elongated technically equivalent element e.g. rod, extended according to a longitudinal axis. A set of elongated barbs (2) is extended according to a longitudinal axis (YY), where each barb includes an end embedded on the core or element and another end is free. An outer surface of the core and/or the element and/or the barbs possesses organized roughness defined by a set of simple/combined geometrical shaped microphones. The geometrical shapes of the microphones are formed in positive relief or negative relief i.e. spherical cap (31), with respect to the outer surface. The device is made of elastomer material and obtained from single piece by industrial transformation.</p> |
