Adidas International Marketing B.v.

Volker Peter Steidle

Harald Geyer

Dirk Meythaler

Erwin Friedrich Saur

Detlef Mueller

A valve for a ball includes a casing and a core. The core is arranged at least partially inside the casing. The core comprises a first sealing area with a plurality of sections which have alternating concave and convex curvatures.

Ball

A bladder for an inflatable ball, in particular a soccer ball, has electrical wiring wherein the wiring is at least partially arranged along a bladder wall to interconnect two electrical or electronic devices.

Bladder for a ball

The invention relates to a reinforcing element for an article of clothing, in particular for a goalkeeper glove, that allows a bending in a first direction, but resists bending in a second direction. The reinforcing element includes at least one bending area that has a curvature with a shape that allows bending of the reinforcing element in the first direction and blocks a bending of the reinforcing element in the second direction.

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Fuzhou, China

Volker Peter Steidle