Patent ID: 7806679

Claim:
A drawing apparatus comprising: a spindle; a mold base disposed at the tip of said spindle; a mold disposed in said mold base, said mold being formed of a core portion and split molds having a concavo-convex surface shape, said split molds being split from each other along a circumference of said mold, said core portion being operable to press and support said split molds in a radial direction of said mold by sliding contact with inner surfaces of said split molds; a tailstock barrel for pressing and fixing a material to said split molds; a squeezing roller for forming the material into a shape along the outer surface of said mold; a first presser member attached to said mold base for pressing said split molds in a diameter contracting direction of said mold; and a second presser member attached to said mold base for pressing every other split mold in an axial direction of said tailstock barrel, wherein said inner surfaces of said split molds are sloped radially inwardly, and wherein said core portion is formed in a shape for pressing radially outwardly on said sloped inner surfaces of said split molds.