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US 2010/0130316 A1Published application
Valve for a Ball and Method for Manufacturing Same
Assigneeadidas International Marketing B.V.
InventorVolker Peter STEIDLE
Life of this patent
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Abstract
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.
Claims20
A method of manufacture of a valve for a ball comprising the steps:
- (a) producing a core from a first elastic material;
- and
- (b) forming a casing from a second material around the core.
A valve for a ball comprising:
- (a) a casing;
- and
- (b) a core which is at least partially arranged inside the casing,
- wherein the core comprises a first sealing area with a plurality of sections, wherein the sections have alternating concave and convex curvatures.
1 more element
Dependencies are inferred from the claim text.