Patent ID: 7506582

Claim:
A hand stamp unit comprising: an ink cartridge having an ink storage layer and an image forming layer, the image forming layer having an outer surface that is selectively sealable to form ink impermeable areas and ink permeable areas thereby creating an image, the ink cartridge having an outer edge and a border area adjacent to the outer edge on the ink storage layer, an upstanding wall in the border area having a top surface, sealing means on the top surface for inhibiting the flow of ink through the outer wall to the top surface for keeping the top surface ink free, an ink reservoir having an open top and a bottom formed by the ink storage layer and the upstanding wall, the ink storage layer forming the bottom of the ink reservoir and the open top surrounded by the upstanding wall, a frame member having a top, a bottom and side walls, a ledge on the frame member extending inward from the side walls, and an adhesive applied between the ledge and the upstanding wall for affixing the upstanding wall to the ledge.