Granted Patent B2

US 9,193,495 · App. 13/340,263 · Granted Nov 24, 2015

Abstract

Claims (10)

1. A method of blow molding for forming a container with a recessed base, the method comprising:

providing a blow mold, the blow mold comprising:

a left half;

a right half; and

a base, the base further comprising a push-up portion;

placing the blow mold in the initial open position;

placing the blow mold in the closed blow molding position;

blowing the preform into the blow mold while simultaneously protruding the push-up portion of the base into the blow mold; and

retracting the push-up portion of the base;

wherein said protruding of the push-up portion begins when said preform contacts an edge of said push-up portion.

Assignments (23)