Method for forming a container from a preform having a coiled handle attached at two attachment points

摘要

A method of forming a container from bi-axially orientable plastics material and having an integral handle with the steps of forming a preform having a neck portion and an expandable portion below the neck portion, with the neck portion including a locating ring above the expandable portion and a handle molded to the non expandable at one end and molded to the expandle portion at the other end. Where the molded-in handle is the approximate length of the handle of the finished container. The unblown preform of orientable plastics is inserted into a blow molder and thereafter stretched by a stretch rod. During the stretch process the handle on the preform unbends rather than stretching to form the approximate shape of the handle in the finished container. The blow mold then closes on the stretched preform thus capturing the handle. Blow gas is then injected into the interior.

主权项

1. A method for forming a blown container from a preform, comprising:
placing the preform in a blow mold, the preform comprising:
an expandable main body having an interior cavity,a neck portion disposed at an upper portion of the main body, anda handle attached to the main body at two separate attachment points on an exterior wall of the main body,wherein the handle is coiled; inserting a stretch rod in the interior cavity of the preform to stretch the preform, causing the handle to uncoil, thereby forming a stretched preform; and blowing the stretched preform to form the blown container.