Patent ID: 7625620

Claim:
A sheet-type patch, comprising a non-woven fabric support, a paste applied onto the support and a release film, having been punched with holes, wherein the punched holes are made only in release film, attached thereto, covering the paste, wherein the support consisting of a non-woven fabric is made from a yarn of 1 to 80 mm in fiber length, and the release film has holes thereon of 10 to 1200 μm in diameter and a maximum tensile strength of 10 to 100 N/50 mm in order to provide a simultaneous tear of the release film, the support, and the paste, as well as to provide stable directional tearing at any position to achieve a desired size of patch sheet; and wherein the holes of the release film are aligned to adjoin each other in both longitudinal and lateral rows over the film.