Patent · US Expired

Egg tray

US3958711A · kind A · utility

11Cited by
4References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 18, 1975
Grant dateMay 25, 1976
Priority date
Expiry dateSep 18, 1995

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65D85/322
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

Egg trays for containing and transporting eggs in successive layers. Each tray comprises an array of staggered egg-supporting skirts disposed in transverse and longitudinal rows. Each row of skirts occupies a sequentially alternating upper and lower plane. The skirts are formed by a series of integrally connected, tubular receptacles made from a semirigid molded plastic. Each skirt is so shaped that the upper perimeter of the skirt is adapted to receive the pointed end of an egg and retain it in a stable position during handling and tilting of the tray. Lateral support for the eggs on the perimeter of the tray when it is tilted from the horizontal is provided by a plurality of upstanding lugs and fingers spaced around the periphery of the tray. Each tray also has at least three vertical support pedestals located in the interior portion of the tray for holding a tray in stacking arrangement immediately above it. The upper end of each pedestal terminates in the same horizontal plane and is located above the topmost end of the eggs when situated in the skirts. Acting as a male member, the upper end of each support pedestal is adapted to engage a socket in the lower end of the support …

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.