Title: Farm produce containers

Abstract: A special blank having cutouts at its side margins and a series of cutouts at its ends may be folded into a box having stiffening ribs in its bottom wall. That construction makes it especially useful as a box or tray for carrying produce, particularly when that produce is packed in standard berry boxes. Combined with a pair of end wall members, the folded blank provides a berry tray of the kind that will nest one in the other and is conveniently stacked in many-tiered stacks. The tray construction is such that it can withstand very high humidity environments, even when the construction material is corrugated paperboard. In the preferred form, the end members, or wall stiffeners, are formed of plural layers folded into a shape that is triangular in cross section so that the base of the triangle forms a shelf for supporting upper trays of a stack. One layer of the end member is notched to straddle the strengthening ribs. The other is not.

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Inventors: Easter, Avard Joseph (La Habra, CA, US)

Application Number: 473150
Filing Date: 1974-05-24
Publication_date: 1976-01-27
Assignee:
Primary Class(es): 229/119 206/512, 229/120, 229/120.17, 229/122.21, 229/122.22, 229/199, 229/915, 229/919
Other Classes:
US Patent Ref:

1782915	Nov, 1930	Weidner	229/15.
1826197	Oct, 1931	Adams	229/6.
1860567	May, 1932	Boeye	229/15.
2032799	Mar, 1936	Hagopian	229/6.
2073635	Mar, 1937	Holoubek	220/22.
2743050	Apr, 1956	Crane	229/15.
2809775	Oct, 1957	White	229/6.
2944696	Jul, 1960	Effgem	220/22.
3048318	Aug, 1962	Sabin	229/15.
3713579	Jan, 1973	Chaffers	229/23.
3721386	Mar, 1973	Meyers	229/15.

Other Refs:
Primary Examiner: Moorhead, Davis T.
Assistant Examiner:
Attorney: Frater; Grover A.