Sport ball casing with integrated bladder material

摘要

A sport ball may include a plurality of panels having a first surface and an opposite second surface, the first surface forming a majority of an exterior surface of the ball. In addition, the sport ball may include an interior layer secured to the second surface of the panels and forming substantially all of an interior surface of the ball to retain a fluid within the ball, the interior layer extending between the panels to join the panels together. Further the sport ball may include a valve secured to the interior layer.

主权项

1. A sport ball including a casing, the casing comprising:
a first panel and a second panel that each have an exterior surface facing outward and an opposite interior surface facing inward, the interior surface of the first panel being bonded to the interior surface of the second panel to form a seam that joins the first panel and the second panel together; wherein the interior surface is defined by an inner layer including a bladder material for enclosing a pressurized fluid within the casing, the bladder material including a first layer of thermoplastic polymer material and a second layer of ethylene-vinyl alcohol copolymer; and wherein edges of the first panel and the second panel form a portion of an exterior surface of the casing.