Packet for providing thermal protection for documents

Special receptacle or package – With article content

Patent

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Details

150 52R, 229 35MF, 229 87R, 220418, 220450, B65D 6540, B65D 8500

Patent

active

042035210

ABSTRACT:
A packet for containing documents and for providing thermal protection of those documents, the packet including a sacrificial ablating layer surrounding the documents, and a metal foil covering for shielding the ablating layer from contact with surrounding air. The sacrificial ablating layer of the packet may be comprised of a plurality of layers of paper forming an envelope for receiving the documents therein. In one embodiment, the envelope is formed by a plurality of stacked layers of paper, the stacked layers having a cruciform configuration having a central rectangular portion and a top flap extending from one of the edges of the rectangular portion, a bottom flap extending from an opposed edge and a pair of side flaps, the flaps being folded over the central rectangular portion to form an envelope for containing the documents to be protected. In an alternative embodiment the packet is comprised of a cylindrical configuration formed from a plurality of sheets of paper assembled in stacked relation, the cylindricl body being formed by stacking a layer of metal foil, a plurality of sheets of paper and the document and then rolling the foil, paper and document to form a cylindrical body having an outer surface covered by the metal foil.

REFERENCES:
patent: 1715533 (1929-06-01), Bowersock
patent: 2322345 (1943-06-01), Cage
patent: 2929425 (1960-03-01), Slaughter
patent: 3066847 (1962-12-01), Fortune

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