Patent ID: 7811400

Claim:
A manufacturing apparatus for a rubber sheet reinforced with a cord comprising: a pair of cylindrical rotating bodies rotating in the same direction, wherein the axes of rotation of the cylindrical rotating bodies are disposed at an oblique, predefined angle to each other, a supply guide supplying a rubber coated cord group to the cylindrical rotating bodies, the apparatus configured (1) to form a cylindrical rubber sheet by spirally wrapping the rubber coated cord on the pair of cylindrical rotating bodies so that the rubber coated cord is continuously brought into contact with the rubber coated cord already spirally wrapped on the pair of cylindrical rotating bodies and (2) to move the cylindrical rubber sheet on the pair of cylindrical rotating bodies along the axial direction of the cylinder, characterized in that; at least one of the pair of cylindrical rotating bodies is formed of a plurality of small rollers forming a roller group; and the axis direction of each of the small rollers of the cylindrical rotating body is disposed obliquely at a predefined angle from parallel with the axis direction of the adjacent small rollers.