Footwear

Claim 2

AN INSOCK, FOR INSERTION INTO A SHOE COMPRISING A FIBRPOUS WEB OR MAT LOADED WITH ACTIVE CARBON AND A BINDER, THE BINDER BEING DISPOSED PREDOMINANTLY AT AND ADJACENT TO THE SURFACES OF THE WEB OR MAT.

Claim 3

The insock of claim 1 which is of such a shape that it is able to cover substantially all of the area of the inner sole of the shoe.

Claim 4

The insock of claim 1 wherein the web is supported by a backing material.

Claim 5

The insock of claim 3 wherein the backing material is flannelette.

Claim 6

The insock of claim 1 which has a total thickness of from 30 to 100 thousandths of an inch.

Claim 7

The insock of claim 1 wherein the web comprises from 20 to 65 percent by weight on the air dry loaded web, of active carbon.

Claim 8

The insock of claim 1 wherein the web comprises from 10 to 30 percent by weight of binder.

Claim 9

The insock of claim 1 which further has a coating of a foam material.

Claim 10

The insock of claim 8 wherein said foam layer is polyurethane foam.

Claim 11

The insock of claim 1 which comprises a fibrous web or mat loaded from 20 to 65 percent of active carbon and from 10 to 30 percent of binder material, these percentages being by weight based on the air dry loaded web and a backing material affixed thereto.

Claim 12

An insock for insertion into a shoe comprising a web of natural or synthetic fibres adhered to a backing material, said web being held together by a binder which is 10 to 30 percent of the total weight of the air dry loaded web and being loaded with active carbon which is 20 to 65 percent of the total weight of the air dry loaded web, said binder being disposed predominantly at and adjacent to the surfaces of the web or mat, said insock having a total thickness of between 30 and 100 thousandths of an inch.

Claim 13

An insock for insertion into a shoe comprising a web of natural or synthetic fibres adhered to a backing material, said web being held together by a binder which is 10 to 30 percent of the total weight of the air dry loaded web and being loaded with active carbon which is 20 to 65 percent of the total weight of the air dry loaded web, said binder being disposed predominantly at and adjacent to the surfaces of the web or mat, said insock having a total thickness of between 30 and 100 thousandths of an inch.

Claim 14

The insock of claim 11 wherein the backing material is flannelette having at least one side which has a fluffy texture and wherein said web is adhered to a side of the backing material which has a fluffy texture.

Claim 15

An insock, for insertion into a shoe comprising a fibrous web or mat loaded with active carbon and a binder which is disposed predominantly at and adjacent to the surfaces of the web or mat, the final disposition of the binder adjacent to said surfaces being effected by a partial migration of the binder from its original distribution throughout the web.

Claim 16

An insock, for insertion into a shoe comprising a fibrous web or mat loaded with active carbon and a binder which is disposed predominantly at and adjacent to the surfaces of the web or mat, the final disposition of the binder adjacent to said surfaces being effected by a partial migration of the binder from its original distribution throughout the web.

Claim 17

An insock for insErtion into a shoe comprising a web of natural or synthetic fiberes adhered to a backing material, said web being held together by a binder which is 10 percent to 30 percent of the total weight of the air dry loaded web and being loaded with active carbon which is 20 to 65 percent of the total weight of the air dry loaded web, said binder being disposed predominantly at and adjacent to the surfaces of the web or mat, said insock having a total thickness of between 30 and 100 thousandths of an inch, the final disposition of the binder adjacent to said surfaces being effected by a partial migration of the binder from its initial distribution throughout the web.

Claim 18

An insock for insErtion into a shoe comprising a web of natural or synthetic fiberes adhered to a backing material, said web being held together by a binder which is 10 percent to 30 percent of the total weight of the air dry loaded web and being loaded with active carbon which is 20 to 65 percent of the total weight of the air dry loaded web, said binder being disposed predominantly at and adjacent to the surfaces of the web or mat, said insock having a total thickness of between 30 and 100 thousandths of an inch, the final disposition of the binder adjacent to said surfaces being effected by a partial migration of the binder from its initial distribution throughout the web.