BALL FOR SPORTS FITTED WITH REUSABLE PVC BLADDER

摘要

A ball for sports fitted with a reusable PVC bladder comprises a gas-filled bladder (2) and an outer ball skin (1). The gas-filled bladder (2) is a ball made of PVC plastic, on which a valve and a gas filling tube (3) are disposed. An end of the gas filling tube (3) is connected to an extension tube (4), and a fixing disc is (5) externally fixed about the extension tube (4). A gas filling orifice (6) is disposed at a position corresponding to the valve on the outer ball skin (1), and the fixing disc (5) is adhered and fixed to an inner layer surrounding the gas filling orifice (6) of the outer ball skin (1), or a fabric material is attached about the valve, for adhering the gas-filled bladder (2) to an inner surface of the outer ball skin (1). Preferably, the valve is disposed under the spherical surface of the gas-filled bladder (2) in a recessed manner. A tear indentation (7) is externally disposed about the gas filling orifice (6) of the outer ball skin (1). The ball for sports improves the air tightness and durability of the ball, and solves the problem that the PVC plastic bladder cannot be easily fixed in the ball. After the outer ball skin (1) is worn, the outer ball skin (1) is conveniently torn and peeled off through the tear indentation (7), thereby leaving the PVC plastic bladder for being reused.