Container for static-sensitive articles

Claim 2

Container for use with an article which can be damaged by static electricity, comprising: a plurality of walls forming a cell in which the article resides, each wall consisting of a sheet of corrugated board made up of an outer web, an inner web, and a corrugated flute web that is sandwiched between the inner and outer webs, at least one web being formed with a substantially uniform, electrically-conductive dispersion of conductive particles, wherein the walls have a surface conductivity and bulk conductivity in the range from 10 3 to 10 9 ohms/squares, wherein the container contains electrically-conductive foam plastic packing, consisting of a block of electrically-conductive foamed plastic packing enclosed in the container and having a conductivity in the order of 10 7 ohms/square, wherein the foam plastic is of the open-cell type and is impregnated with carbon particles during its manufacture.

Claim 3

Container for use with an article which can be damaged by static electricity, comprising: a plurality of walls forming a cell in which the article resides, each wall consisting of a sheet of corrugated board made up of an outer web, an inner web, and a corrugated flute web that is sandwiched between the inner and outer webs, at least one web being formed with a substantially uniform, electrically-conductive dispersion of conductive particles, whererin the walls have a surface conductivity and bulk conductivity in the range from 10 3 to 10 9 ohms/square, wherein the container contains electrically-conductive foam plastic packing, consisting of a block of electrically-conductive foamed plastic packing enclosed in the container and having a conductivity in the order of 10 7 ohms/square, wherein the foam plastic is of the open-cell type and is impregnated with carbon particles during its manufacture, and wherein each web has a conductivity of 10 6 and the foamed plastic is selected from the class consisting of polyethylene and polyurethane.

Claim 4

Container for use with an article which can be damaged by static electricity, comprising: a plurality of walls forming a cell in which the article resides, each wall consisting of a sheet of corrugated board made up of an outer web, an inner web, and a corrugated flute web that is sandwiched between the inner and outer webs, at least one web being formed with a substantially uniform, electrically-conductive dispersion of conductive particles, whererin the walls have a surface conductivity and bulk conductivity in the range from 10 3 to 10 9 ohms/square, wherein the container contains electrically-conductive foam plastic packing, consisting of a block of electrically-conductive foamed plastic packing enclosed in the container and having a conductivity in the order of 10 7 ohms/square, wherein the foam plastic is of the open-cell type and is impregnated with carbon particles during its manufacture, and wherein each web has a conductivity of 10 6 and the foamed plastic is selected from the class consisting of polyethylene and polyurethane.

Claim 5

Container for use with an article which can be damaged by static electricity, comprising: (a) a plurality of walls forming a cell in which the article resides, each wall consisting of a sheet of board made up of with a substantially uniform, electrically conductive dissipative dispersion of conductive particles dipersed throughout to give a conductivity in the range from 10 3 to 10 9 ohms/square inch, and (b) a block of electrically-conductive foamed plastic packing enclosed in the container having a conductivity in the order of 10 7 ohms/square inch.

Claim 6

Container for use with an article which can be damaged by static electricity, comprising: (a) a plurality of walls forming a cell in which the article resides, each wall consisting of a sheet of board made up of with a substantially uniform, electrically conductive dissipative dispersion of conductive particles dipersed throughout to give a conductivity in the range from 10 3 to 10 9 ohms/square inch, and (b) a block of electrically-conductive foamed plastic packing enclosed in the container having a conductivity in the order of 10 7 ohms/square inch.

Claim 7

Container as recited in claim 3, where the foam plastic of the open-cell type and is impregnated with the carbon during its manufacture.

Claim 8

Container as recited in claim 3, wherein board has a conductivity of 10 6 and the foamed plastic is selected from the class consisting of polyethylene and polyurethane.