Ethylene-containing polymer foam/adhesive system
First Claim
1. A liquid-impermeable ethylene-containing polymer foam backing for an absorbent product adapted to be removably attached to a nether garment, said backing having top and bottom surfaces, there being adhesive attachment means positioned on the bottom surface of said backing, for temporarily, but securely, adhering said backing to the crotch portion of a nether garment, said attachment means comprising a double-faced, pressure-sensitive adhesive tape, said tape having a first face permanently adhered to said backing, and an opposite second face adapted to be temporarily attached to a nether garment, said first face of said tape having an adhesion to steel exceeding 120 oz/inch width, with said second face of said tape having an adhesion to steel exceeding 75 oz/inch width, said tape being reinforced with an inner substrate having a non-recoverable extensibility of less than 100%.
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Accused Products
Abstract
The invention provides a liquid-impermeable ethylene-containing polymer foam backing for an absorbent product adapted to be removably attached to a nether garment, there being adhesive attachment means positioned on the bottom surface of said backing for adhering said backing to the crotch portion of a nether garment. The preferred backing comprises a flexible shell, adapted to contain within it an absorbent structure.
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Citations
18 Claims
- 1. A liquid-impermeable ethylene-containing polymer foam backing for an absorbent product adapted to be removably attached to a nether garment, said backing having top and bottom surfaces, there being adhesive attachment means positioned on the bottom surface of said backing, for temporarily, but securely, adhering said backing to the crotch portion of a nether garment, said attachment means comprising a double-faced, pressure-sensitive adhesive tape, said tape having a first face permanently adhered to said backing, and an opposite second face adapted to be temporarily attached to a nether garment, said first face of said tape having an adhesion to steel exceeding 120 oz/inch width, with said second face of said tape having an adhesion to steel exceeding 75 oz/inch width, said tape being reinforced with an inner substrate having a non-recoverable extensibility of less than 100%.
- 2. A liquid-impermeable ethylene-containing polymer foam backing for an absorbent product adapted to be removably attached to a nether garment, said backing having top and bottom surfaces, there being adhesive attachment means positioned on the bottom surface of said backing, for temporarily, but securely, adhering said backing to the crotch portion of a nether garment, said attachment means comprising (a) a double-faced, pressure-sensitive adhesive tape, said tape having a first face permanently adhered to said backing, and an opposite second face adapted to be temporarily attached to a nether garment, said first face of said tape having an adhesion to steel exceeding 120 oz/inch width, with said second face of said tape having an adhesion to steel exceeding 75 oz/inch width, said tape being reinforced with an inner substrate having a non-recoverable extensibility of less than 100%, said backing being thermoformed in the form of a substantially flexible shell having a depth of at least about 1/8 inch, said shell having an inner inside surface and an outside bottom surface, said shell being adapted to contain within it an absorbent structure, said adhesive attachment means being positioned on said outside bottom surface of said shell.
Specification