Container with stacking feature

US9073666B2 · kind B2 · utility

Assignee

• PACTIV LLC · US

Inventors

• Frank A. Petlak · Antioch, US
• H. Bernard Kirkland · Lindenhurst, US
• Craig E. Cappel · Lake Villa, US

Key dates

• Filing date: Aug 6, 2009
• Grant date: Jul 7, 2015
• Expiry date: Jun 11, 2033

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65D1/34
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

Container including a bottom and sidewalls with undulating pattern of peaks and valley. At least one stacking feature is provided to allow a plurality of containers to be stacked. In one embodiment, the stacking feature is disposed proximate a bottom edge of the sidewall at a peak. In another embodiment, the stacking feature is a stack flap disposed proximate a top edge of the container. Alternatively, the stacking feature is a stack ring having a shape which corresponds to the sidewall perimeter and has an inwardly protruding lip.