Envelopes – wrappers – and paperboard boxes – Paperboard box – Compartmented
Patent
1998-07-17
1999-09-14
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Compartmented
220 426, 220 2388, 426128, 206830, 206499, 229 45, B65D 2504
Patent
active
059509139
ABSTRACT:
A composite container for dough or other expandable product includes a hollow cylindrical body formed of composite material, a pair of end closures for sealing the open end of the container body, a separator disk disposed in the body and dividing the container into a first tubular portion for containing the product and a second tubular portion. A plurality of ingredient cups are stacked bottom-against-top in the second portion of the container body. Each cup is a cup-shaped member having a cylindrical tubular side wall, a bottom wall closing one end of the side wall, and an open end defined by an upper edge of the side wall. A membrane engages the upper edge to sealingly close the cup with an additional ingredient such as condiment, icing, spices, etc., therein. The bottom of one cup stacks on the upper edge of another cup so that the one cup is not supported by the membrane of the other cup. The separator disk engages an annular flange on the upper edge of the adjacent cup. Axial forces exerted on the separator disk by expanding product are transmitted to the side wall of the adjacent cup, which transmits the forces to the side wall of the next cup, and so on, the forces ultimately being transmitted to the end closure.
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Antal Keith E.
Rea Keith R.
Elkins Gary E.
Mai Tri M.
Sonoco Development Inc.
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