The Procter & Gamble Company
Glossy container
Last updated:
Abstract:
A method of blow molding a glossy article having at least one layer of thermoplastic material. The method comprises the steps of feeding a parison of said thermoplastic material into a mold having an inner surface with at least a portion of SPI finish standard selected from the group consisting of A-1, A-2, A-3, B-1, B-2 and B-3 mold and a first temperature of greater than 55.degree. C.; blowing the parison against the inner surface of the mold to form the article; and subsequently lowering the temperature of the mold to a second temperature of between 10.degree. C. to 55.degree. C. before release of the molded article. The cycle time of the mold (t.sub.ct) is less than 250 seconds.
Status:
Grant
Type:
Utility
Filling date:
24 Jun 2016
Issue date:
11 Feb 2020