EP4132315

• Gottlieb Binder GmbH & Co. KGsince Jan 13, 2023

1. Fastener part 2. Fastener part consisting of at least one carrier part (10) of a sheet-like form, on one side of which a multiplicity of mushroom-headed fastener elements are arranged and, each forming an integral part of the carrier part (10), have a solid stem part (17), which is formed in the manner of a hyperboloid of revolution, extends along a longitudinal axis and is adjoined at the free end thereof by a head part (16), which protrudes with edge regions thereof, forming hooking possibilities, at least partially beyond the stem part (17) and has a crater-like depression (20) on its upper side, characterized in that, on the other side (22) of the carrier part (10), opposite from the fastener elements, a multiplicity of further crater-like depressions (23) are formed, in that, at least in the case of some of the fastener elements, the two crater-like depressions (20, 23) extend concentrically or substantially concentrically to the longitudinal axis of the respectively assigned stem part (17), and in that the respective other crater-like depression (23) has a maximum crater depth which is between 30 and 60%, preferably 50%, of the thickness of the carrier part (10).

From the international application WO2022122345