Tubular container

摘要

A tubular container comprises a hollow body opened at one end and having in cross section a polygonal shape with sharp ridges being formed at corners, and a headpiece including a neck and a shoulder which includes an inclined portion having ridges and a polygonal configuration corresponding to the hollow body, the headpiece and the hollow body being integrally fused with each other with the ridges of the inclined portion being in agreement with the sharp ridges of the hollow body.