Thermal insulation packet

Details Thermal insulation packet Thermal insulation packet

1979-12-10

1981-08-04

Shoap, Allan N.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

52406, 229 35MF, 428 71, 428921, B32B 102, E04B 200

Patent

active

042822769

ABSTRACT:
A method and product relating to a thermal insulation package wherein a container made from laminated sheet material including an inner layer of kraft paper, an outer layer of aluminum foil and an intermediate layer of fiberglass webbing is provided; the three layers are adhesively secured together and the inner surface of the kraft paper is coated with a heat-activated adhesive; the sheet material is formed into a tubular section by overlapping opposite edges of the sheet material and heat sealing the edges together; the tubular section thus formed is subsequently cut into tubular sections of smaller length, the bottoms of each of the smaller sections are then heat sealed, the containers thus formed are filled with polystyrene pellets and a hydrate compound is added; the open end of each of the containers is then closed and heat-sealed to form the completed package.

REFERENCES:
patent: 1901999 (1933-03-01), Upson
patent: 3066847 (1962-12-01), Fortune
patent: 3188264 (1965-06-01), Holden
patent: 3241702 (1966-03-01), Navikas
patent: 3264165 (1966-08-01), Stickel
patent: 3460740 (1969-08-01), Hasen
patent: 3491910 (1970-01-01), Buckwalter et al.
patent: 3515267 (1970-06-01), LaRocco et al.
patent: 3855741 (1974-12-01), Semon
patent: 4015386 (1977-04-01), Cook

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