Patent ID: 8061540

Claim:
A multi-layered blow-molded container molded by blow molding a cylindrical multi-layered parison that has been extrusion molded, the multi-layered blow molded container comprising: a neck, a shoulder, a body, a bottom, and a container wall comprising at least an outer layer, an inner layer, and a middle layer; and a thin middle-layer zone in an area where the middle layer is made thinner than in other portions of the wall, the thin middle-layer zone being provided at a vicinity of a pinch-off portion of the bottom that includes the pinch-off along a direction in which the parison is extruded, wherein the outer and inner layers are made of a same synthetic resin, and the middle layer is made of a recycled material consisting primarily of the synthetic resin used for the outer and inner layers, and the thin middle-layer zone extends on either side of the pinch-off portion to a flat wall portion at the bottom of the container.