FRUSTOCONICAL SUPPORT,FOR THE REELING OF TEXTILE THREADS AND/OR SILVERS,AND METHOD OF PRODUCING SAME

摘要

A cone-shaped bobbin is formed by rolling and gluing a paper or the like blank on a mounting mandrel with the cone being formed with a decreasing number of layers of paper or the like from bottom to top. Three embodiments of the blank are disclosed respectively in the shape of a crescent, a half-crescent, and a comma.