Patent ID: 8753053
Filing Date: 2014-06-17
Classification: B29C,B29K,B29L,F16B,Y10T

Abstract:
1. A joining element to be anchored in an opening provided in an object with the aid of mechanical vibration, the joining element comprising: a proximal end and a distal end, the proximal end and the distal end being distanced from each other in a direction of an axis, a contact face in the area of the proximal end, the contact face being suitable for being contacted with a vibrating tool for applying, to the joining element, mechanical vibration and a force parallel to the axis, a wall anchoring portion situated between the proximal end and the distal end, the wall anchoring portion having a circumferential surface being equipped with a plurality of recesses and radially protruding energy concentrating elements between the recesses, a tubular portion situated between the proximal end and the distal end and extending distally from the wall anchoring portion, wherein the joining element distally ends in an edge constituting the distal end, and wherein the joining element comprises a thermoplastic material at least at the circumferential surface with the energy concentrating elements and at the edge.