Patent ID: 11878218
Assignee: AZOREAN FL, UNIPESSOAL LDA
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 0:
1. A ball comprising:
a plurality of panels attached together to form a hollow structure comprising a head portion at a first end of the hollow structure and a tail portion at a second end of the hollow structure;
wherein the hollow structure is characterized by a tapered profile in a longitudinal direction, such that a maximum diameter of the head portion is greater than a maximum diameter of the tail portion; and
a tubular duct (i) integrated within a center of the hollow structure (ii) extending along a length of the hollow structure and (iii) comprising a tunnel reinforcement material disposed around an outer surface of a middle portion of the tubular duct, the tunnel reinforcement material being made of a stronger and harder material than the tubular duct.