American Can Company

Ilie Mila Belivakici

James A Wachtel

James Chi-Hwi Wang

Clifford Clayton Goehring

William Joseph Lahm

Robert Richard Young

Carl Richard Storms

Parisons are injection molded using a cooled cavity and a relatively hot core pin to prevent the formation of residual internal stress in or near the inner surface of the parison. The parison is promptly transferred while still hot from the injection mold to a temperature conditioning station to provide a desired temperature distribution and the temperature conditioned parison is highly molecularly biaxially oriented as it is blow molded.

Transfer blow molding technique

Cups having a sidewall made from foam sheet plastic with a fusion sealed, lapped seam, wherein the lapped seam and the sidewall immediately adjacent the lapped seam are of identical thickness, are provided with additional rigidity per unit wall thickness by compressing the foam sheet either in-line with the foam extrusion operation or up to several months after extrusion. The cup is characterized by a substantial skin on only the outer surface of the sidewall.

Method of making nestable foamed plastic cups

Growing community of inventors

Kendall Park, NJ, United States of America

Ilie Mila Belivakici