Patent ID: 6773748
Filing Date: 2004-08-10
Classification: B29B,B29C,B65D,Y10T

Abstract:
A method of manufacturing a molded container coated with a carbon coating, which comprises:providing a molded container including an upper wall portion having an opening, an intermediate sidewall portion positioned beneath the upper wall portion, and a base portion positioned beneath the intermediate sidewall portion and adapted to support the container, said container further comprising a molded first layer having a vertical length and an inner surface and an outer surface, formed from high density polyethylene and having a thickness of from 6 to 23 mils; enclosing the container within a hollow space provided to accommodate the container; discharging the air within the container and creating a vacuum; charging the internal volume of the container with raw gas; and forming a carbon coating from said raw gas on the inner surface of the first layer of the container to provide an innermost, amorphous carbon coating formed on the entire inner surface of the first layer and adhered thereto, with said carbon coating having a thickness of from about 0.05 to 10 microns, and wherein said container can be recycled, including forming said carbon coating with a thickness that varies along the vertical length of the container.