Food packaging tray

US4162759A · kind A · utility

Assignee

• Diamond International Corporation · US

Inventors

• Richard F. Reifers · New Canaan, US
• Kenneth D. Bixler · Huntington, US

Key dates

• Filing date: Aug 4, 1978
• Grant date: Jul 31, 1979
• Expiry date: Aug 4, 1998

Classification

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

Abstract

A throw-away, one-use tray, for the packaging of easily bruised fruit and produce in conjunction with an overwrap plastic film, is provided with an open-window bottom configuration in which the bottom ribs defining the open windows are approximately 20% greater thickness than the side walls of the tray. The rib form at the bottom serves the functions of stiffening the bottom more than would ribs resulting from die cut openings, and creating a smooth rolled edge in contact with the produce to reduce cutting and bruising.