Packaging tray for fruit

Details Packaging tray for fruit Packaging tray for fruit

1974-11-06

1976-10-26

Lowrance, George E.

Wooden receptacles

Boxes

Cells

229 25R, B65D 8534

Patent

active

039879224

ABSTRACT:
The invention relates to a packaging tray for fruit of the type comprising a plurality of calotte-shaped depressions for fruit arranged in parallel rows and supporting areas between the depressions. The depressions and supporting areas in different trays are arranged such that a depression of an upper tray coincides with a supporting area of the next lower tray in a stack of trays, and the supporting areas are situated at a higher level than the lowermost points of the depressions of the same tray but still at a sufficiently low level to touch the uppermost points of the fruit supported on the next lower tray. The supporting areas have central portions forming downwardly convex surfaces in all vertical cross-sections, and the proportion between the rigidity of the material of the packaging tray and the radius of curvature of the central portions of the supporting areas is selected such that the central portions yield by buckling under the forces normally appearing in placing a tray loaded with fruit in a transport box.

REFERENCES:
patent: 1255789 (1918-02-01), Pruyn
patent: 3040923 (1962-06-01), Leitzel
patent: 3289877 (1966-12-01), Wolf
patent: 3333760 (1967-08-01), Bridenstine
patent: 3357624 (1967-12-01), Crabtree
patent: 3417897 (1968-12-01), Johnson
patent: 3732976 (1973-05-01), Bessett et al.

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