DISPOSABLE INJECTION BLOW MOLDED TUMBLER AND ITS MANUFACTURE

摘要

PROBLEM TO BE SOLVED: To prevent a disposable injection blow molded tumbler from being easily broken even when dropped in normal use by providing a reusable durability polycarbonate container manufactured by injection blow molding. SOLUTION: This injection blow molded tumbler 10 is molded from polymeric materials and has a reinforcing rim 16 with a wall thickness exceeding those of adjacent side walls 14. In that case, the tumbler may be molded from a number of resin raw materials so that it particularly shows the improved rigidity and compression resistance as well as the aesthetical quality desired by consumers.