Patent ID: 9555576
Date: 2017-01-31
CPC Classifications: B29C

Claim:
1. A method for producing a resin bottle formed from a preform as a prototype by a blow molding process, comprising: a first step of measuring each of weights or wall thicknesses of a plurality of inspection parts set in a body portion of the preform; a second step of comparing each of the weights or the wall thicknesses measured by the first step with a preset set value, and thereby inspecting a difference between each of the weights or the wall thicknesses measured by the first step and the set value for each of the inspection parts; and a third step of optimizing a condition for blow molding in the blow molding process in accordance with an inspection result of each of the inspection parts, wherein the optimizing in the third step comprises adjusting the condition for blow molding in the blow molding process by adjusting a pressure of air introduced into the preform.