PRIMARY MOLD OF BOTTLE BODY WITH HANDLE AND METHOD OF MANUFACTURING BOTTLE BODY WITH HANDLE

摘要

A primary mold (1), in which a bottomed and tubular lower body blank portion (9) suspended and continuously provided from the bottom of an upper body portion (2), in which a mouth tube (8) is continuously provided through a shoulder portion (7) to the top end of a body wall (3) provided at the back portion thereof with a handle piece (4), is blow molded, and only the lower body blank portion (9) of this primary mold (1) is blow-molded by biaxial stretching into a lower body portion (9') to obtain a bottle body (1'), so that a large-sized bottle body with a handle, having the substantially equal strength to a biaxially stretched blow-mold can be obtained.