Diaper

Claim 2

A diaper, especially for infants, comprising an outer sheet of plastic foam which is elastic and air-permeable but water-impermeable, an inner sheet of plastic foam which is elastic, air-permeable, and water-permeable, a water absorbent pad located between said outer sheet and said inner sheet, and fastening means fixed on two opposite side margins of the diaper in order to close the diaper around the waist of the infant.

Claim 3

The diaper according to claim 1 wherein said plastic foams are at least partially reticulated.

Claim 4

The diaper according to claim 1 wherein the outer sheet is thicker than the inner sheet.

Claim 5

The diaper according to claim 3 wherein the outer sheet has a thickness of between 1 and 5 mm., and the inner sheet has a thickness of between 0.5 and 1.5 mm.

Claim 6

The diaper according to claim 4 wherein the thickness of the outer sheet lies between 2 and 4 mm. and the thickness of the inner sheet lies between 0.8 and 1.2 mm.

Claim 7

The diaper according to claim 1 wherein the foam of the outer sheet is less reticulated than that of the inner sheet.

Claim 8

The diaper according to claim 1 wherein the outer and inner sheets are affixed together by a peripheral weld adhesion line.

Claim 9

The diaper according to claim 1 wherein the absorbent pad is affixed to one said sheet in the middle of the diaper width only, by at least one longitudinal adhesion line.

Claim 10

The diaper according to claim 1 wherein the outer and inner sheets are polyurethane or polyester foam.

Claim 11

A diaper, especially for infants, comprising an outer sheet of plastic foam which is elastic and air-permeable but water-impermeable and is at least partially reticulated, an inner sheet of plastic foam which is elastic and air-permeable and water-permeable and is at least partially reticulated, a water absorbent pad located between said outer sheet and said inner sheet, and fastening means fixed on two opposite side margins of the diaper in order to close the diaper around the waist of the infant.

Claim 12

A diaper, especially for infants, comprising an outer sheet of plastic foam which is elastic and air-permeable but water-impermeable and is at least partially reticulated, an inner sheet of plastic foam which is elastic and air-permeable and water-permeable and is at least partially reticulated, a water absorbent pad located between said outer sheet and said inner sheet, and fastening means fixed on two opposite side margins of the diaper in order to close the diaper around the waist of the infant.

Claim 13

The diaper according to claim 10 wherein the outer sheet is thicker than the inner sheet.

Claim 14

The diaper according to claim 11 wherein the outer sheet has a thickness of between 1 and 5 mm., and the inner sheet has a thickness of between 0.5 and 1.5 mm.

Claim 15

The diaper according to claim 12 wherein the thickness of the outer sheet is between 2 and 4 mm. and the thickness of the inner sheet is between 0.8 and 1.2 mm.

Claim 16

The diaper according to claim 10 wherein the foam of the outer sheet is less reticulated than that of the inner sheet.

Claim 17

The diaper according to claim 10 wherein the outer and inner sheets are affixed together by a peripheral weld or adhesion line.

Claim 18

The diaper according to claim 10 wherein the absorbent pad is affixed to one said sheet, in the middle of the diaper width only, by at least on longitudinal adhesion line.

Claim 19

The diaper according to claim 10 wherein the outer and inner sheets are polyurethane or polyester foam.

Claim 20

A diaper especially for infants, comprising an outer sheet, an inner sheet, a water absorbent pad in between said outer sheet and said inner sheet, and fastening means fixed on two opposite side margins of the diaper in order to close the diaper around the waist of the infant, the outer sheet and the inner sheet each being made of a first and a second layer of the same elastic plastic foam material, which is at least partially reticulated, said second layer being thicker than said first layer, so that said outer sheet is air-permeable but water-impermeable and said inner sheet is both air-permeable and water-permeable.

Claim 21

A diaper especially for infants, comprising an outer sheet, an inner sheet, a water absorbent pad in between said outer sheet and said inner sheet, and fastening means fixed on two opposite side margins of the diaper in order to close the diaper around the waist of the infant, the outer sheet and the inner sheet each being made of a first and a second layer of the same elastic plastic foam material, which is at least partially reticulated, said second layer being thicker than said first layer, so that said outer sheet is air-permeable but water-impermeable and said inner sheet is both air-permeable and water-permeable.

Claim 22

The diaper according to claim 18 wherein the outer sheet has a thickness of between 1 and 5 mm., and the inner sheet has a thickness of between 0.5 and 1.5 mm.

Claim 23

The diaper according to claim 19 wherein the outer sheet is between 2 and 4 mm. thick and the inner sheet is between 0.8 and 1.2 mm. thick.

Claim 24

The diaper according to claim 18 wherein the foam of the outer sheet is less reticulated than that of the inner sheet.

Claim 25

The diaper according to claim 18 wherein the outer and inner sheets are fixed together by a peripheral weld or adhesion line.

Claim 26

The diaper according to claim 18 wherein the absorbent pad is affixed to one said sheet, in the middle of the diaper width only, by one or more longitudinal adhesion lines.

Claim 27

The diaper according to claim 18 wherein the outer and inner sheets are polyurethane or polyester foam.

Claim 28

A diaper, especially for infants, comprising an outer sheet, an inner sheet, a water absorbent pad located between said outer sheet and said inner sheet, and fastening means fixed on two opposite side margins of the diaper in order to close the diaper around the waist of the infant, wherein said outer sheet and said inner sheet are each made of a first and a second layer of an elastic foam of partially reticulated plastics material, the foam of said first layer being less reticulated than the foam of said second layer, so that said outer sheet is air-permeable but water-impermeable while said inner sheet is both air-permeable and water-permeable.

Claim 29

A diaper, especially for infants, comprising an outer sheet, an inner sheet, a water absorbent pad located between said outer sheet and said inner sheet, and fastening means fixed on two opposite side margins of the diaper in order to close the diaper around the waist of the infant, wherein said outer sheet and said inner sheet are each made of a first and a second layer of an elastic foam of partially reticulated plastics material, the foam of said first layer being less reticulated than the foam of said second layer, so that said outer sheet is air-permeable but water-impermeable while said inner sheet is both air-permeable and water-permeable.

Claim 30

The diaper according to claim 25 wherein the outer and inner sheets are affixed together by a peripheral weld or adhesion line.

Claim 31

The diaper according to claim 25 wherein the absorbent pad is affixed to one said sheet, in the middle of the diaper width only, by one or more longitudinal adhesion lines.

Claim 32

The diaper according to claim 25 wherein the outer and inner sheets are polyurethane or polyester foam.