American Can Company

American National Can Company

Robert A Steen

Joseph C Hsu

George O Schroeder

An improved package and method of packaging, including an oil-containing product, includes a multiple layer packaging sheet material which has reduced sensitivity to cockling. The multiple layer sheet material includes a layer which is susceptible to being swelled when in contact with oil, giving a cockled appearance. With reference to the package structure, the sheet material also includes a layer which impedes penetration of oil, the impeding layer being between the oil-containing product and the layer which is susceptible to being swelled when in contact with oil. The impeding layer comprises polypropylene.

Method for making package having oil-containing product

An improved package, including an oil-containing product, includes a multiple layer packaging sheet material which is free from cockling. The multiple layer sheet material includes a layer which is susceptible to being swelled when in contact with oil, giving a cockled appearance. With reference to the package structure, the sheet material also includes an oil barrier layer between the oil-containing product and the layer which is susceptible to being swelled when in contact with oil. The barrier layer comprises either nylon or ethylene vinyl alcohol.

Package having oil-containing product

An improved package, including an oil-containing product, includes a multiple layer packaging sheet material which has reduced sensitivity to cockling. The multiple layer sheet material includes a layer which is susceptible to being swelled when in contact with oil, giving a cockled appearance. With reference to the package structure, the sheet material also includes a layer which impedes penetration of oil, the impeding layer being between the oil-containing product and the layer which is susceptible to being swelled when in contact with oil. The impeding layer comprises polypropylene.

Growing community of inventors

Appleton, WI, United States of America

Robert A Steen