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US 4,376,558 AGranted
Thermal retention container
OwnerBeverly Bandarinventor
Life of this patent
Estimating the term…
Abstract
A thermal retention container for edibles, especially pizza, that is durable enough for multiple use but inexpensive of construction so as to permit early disposal is disclosed. The container is characterized by a cardboard outer housing having a pair of flanged closing panels to which housing and panels are internally affixed insulating panels. The container contains a plurality of shelves such as to permit transport and/or storage of a plurality of pizzas or the like.
Claims7
A disposable thermal retention container for edibles comprising:
- (a) an exterior housing of cardboard having a bottom wall, opposite side walls and top and rear walls defining an open front shell,
- (b) two rectangular front closing panels hinged to the front edges of two opposite walls, said panels each having flanges perpendicular to their surface on their three nonhinged edges, the front edges of the remaining two walls having notches to admit and engage the flanges on the closing panels in their closed position,
- (c) flat plastic foam inner panels corresponding in size to and affixed to the inner surfaces of the bottom wall, top and rear walls and front closing panels, and
- (d) a plurality of removable cardboard shelves held in spaced alignment parallel to said bottom wall by a plurality of pairs of plastic foam spacing means located on the inner surfaces of the opposite side walls.
1 more element
A disposable insulated container adapted for storing and transporting a plurality of pizzas comprising:
- (a) a rectangular exterior housing of cardboard having a bottom wall, opposite sidewalls and top and rear walls defining an open-front shell,
- (b) two rectangular front closing panels hinged to the front edges of two opposite walls, said panels each having flanges perpendicular to their surface on their three nonhinged edges, the front edges of the remaining two walls having notches to admit and engage the flanges on the closing panels on their closed position,
- (c) flat plastic foam inner panels of insulating thickness corresponding in size to and affixed to the inner surfaces of the bottom wall, top and rear walls and front closing panels, and
- (d) 2 to 8 removable cardboard shelves held in spaced alignment parallel to said bottom wall by a plurality of pairs of about 2 inch high plastic foam spacing means located at the inner surfaces of the opposite side walls.
1 more element
Dependencies are inferred from the claim text.