| 摘要 |
The invention relates to a self-adhesive stamp comprising: a layer of stamp paper (2) bearing a printed stamp design on its front side and having perforated edges (6), a layer of pressure-sensitive adhesive (5) on the back side of the stamp paper, and a peelable backing sheet (7) covering the adhesive, wherein the pressure-sensitive adhesive layer is patterned such that there is little or no adhesive adjacent to the perforated edges of the stamp paper Preferably, the pressure-sensitive adhesive is hot-melt adhesive and preferably the adhesive is applied by printing The invention further relates to a process of manufacturing such stamps, comprising the steps of providing a sheet or web of stamp paper having lines of perforations defining stamps therein, followed by coating the back of the stamp paper with a patterned layer of pressure- sensitive adhesive and a peelable backing sheet |
