초록 ▼

An insulated shipping container includes a formed body of foamed polymer material. This formed body defines a chamber, an opening from the chamber outwardly to ambient, a transition surface surrounding this opening, and an exterior surface. Preferably, the chamber and exterior surface are both cylin

An insulated shipping container includes a formed body of foamed polymer material. This formed body defines a chamber, an opening from the chamber outwardly to ambient, a transition surface surrounding this opening, and an exterior surface. Preferably, the chamber and exterior surface are both cylindrical prismatic shapes of like configuration so that a uniformly thick wall of insulative foamed polymer material is provided between the chamber and ambient. A single sheet of plastic is integrally bonded to the foamed polymer body such that it faces all of the chamber, the transition surface, and a substantial portion of the exterior surface of the container. In one embodiment of the container the remainder of the exterior surface of the container is faced with a separate sheet of plastic, and the two pieces of plastic cooperate to define an escape slit at which excess foamed polymer material escapes during formation of the container in a fixture. In another embodiment of the container this un-foamed plastic sheet faces all exterior surfaces of the foamed polymer material, including those which bound the chamber.

대표청구항 ▼

[ I claim:] [1.] An insulated shipping container comprising: a unitary prismatic body of foamed polymer material, said body defining a floor wall which is substantially uniformly thick and substantially free of fissures and plural side walls each of which is also substantially uniformly thick and su

[ I claim:] [1.] An insulated shipping container comprising: a unitary prismatic body of foamed polymer material, said body defining a floor wall which is substantially uniformly thick and substantially free of fissures and plural side walls each of which is also substantially uniformly thick and substantially free of fissures, said floor wall and side walls cooperatively defining a cylindrical cavity, an opening from said cavity, a transition surface surrounding said opening, and an exterior surface of said shipping container, said body further including an integrally bonded flexible un-foamed polymer sheet facing said cavity, said transition surface, and that portion of said exterior surface defined by said side walls; said un-foamed polymer sheet having a transition portion which faces said transition surface and being conformal to, integrally bonded to, and supported by said unitary prismatic body of foamed polymer material.