Valve for a Ball and Method for Manufacturing Same
First Claim
Patent Images
1. 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.
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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.
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Citations
20 Claims
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1. A method of manufacture of a valve for a ball comprising the steps:
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(a) producing a core from a first elastic material; and (b) forming a casing from a second material around the core. - View Dependent Claims (2, 3, 4, 5)
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6. A valve for a ball comprising:
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(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. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification