▎ 摘　　要

NOVELTY - A body-building baseball bat comprises a handle part (1) with top end provided with an anti-dropping ball (3). The bottom end of the handle part, is fixed with a balance weight block (4). The handle portion is processed into the surface of bat, with rolling pattern through knurling process. The polyurethane material part (2) is formed by casting polyurethene material on the surface of handle portion. The weight block is covered by polyurethene material part and the handle portion is covered with a part. USE - As body-building baseball bat. ADVANTAGE - The body-building baseball bat is light- weight and has improved quality enabled by the polyurethane formulation. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for the preparation of body-building baseball bat, which involves: 1) processing the handle part by knurling process, then welding the handle part after rolling, on the balance weight block; 2) putting one part of the balance weight block and the handle part into mold, pouring the polyurethane material to the mold, heating and vulcanizing at 70-85°C, under pressure 20-25 megapascals (MPa), for 25-30 minutes; and 3) forming a baseball bat rough blank, then grinding and spraying. DESCRIPTION OF DRAWING(S) - The drawing shows structure schematic diagram of body-building baseball bat. 1Handle part 2Polyurethane material part 3Anti-dropping ball 6Safety rope