Patent ID: 8210224
Filing Date: 2012-07-03
Classification: B29C,B29D,B29L,Y10T

Abstract:
1. An apparatus for joining a carcass ply, which butt-joins a wind start end and a wind finish end of a carcass ply wound around a cylindrical drum, comprising: a pair of joining sections for joining the ends of the carcass ply; and aligning sections for aligning the ends of the carcass ply during joining by the joining section, wherein the joining sections and the aligning sections are disposed such that the ends of the carcass ply can be joined together below the cylindrical drum, the pair of joining sections are installed at a right position and a left position so as to be slidable along a travel line in an axial direction of the drum, each of the joining sections comprises an upper cone-shaped joining roller and a lower cone-shaped joining roller as a pair, upper and lower vertical drive sections for driving the joining rollers in a vertical direction, and a connecting member for connecting the vertical drive sections, each of the aligning sections comprises a multiplicity of aligning rollers, and a multiplicity of roller drive sections for supporting the aligning rollers rotatably and driving the aligning rollers in a direction orthogonal to the travel line of the joining sections from a central side of the carcass ply toward a joining end of the carcass ply while pressing the carcass ply against the cylindrical drum by the aligning rollers, and the aligning sections with the aligning rollers and the roller drive sections are installed on both sides of a joining line of the carcass ply and along the joining line.