Patent Number: 7,232,541

Title: Method of vacuum thermoforming a container

Abstract: A method of thermoforming shells so that their cut lips face inward toward the shells permits the production of a number of novel thermoformed products having superior nesting and de-nesting qualities and having the ability to fit together to produce a variety of closed shell forms.

Inventors: Borst; Rodney D. (Oregon, WI)


International Classification: B29C 51/10 (20060101)

Expiration Date: 2019-06-19 0:00:00