Ink-retaining sealing article

Abstract

A stamping article which is capable of repeatedly stamping with liquid ink, said article consisting of: (1) a stamping member having relief characters with a stamping surface and having a porosity of 20 to 50%, which is of porous structure and is produced by sintering a fine powder which is obtained by pulverizing a porous thermoplastic resin, (2) a base member capable of storing liquid ink and having a porosity of 60 to 80%, said base member comprising at least one material selected from the group porous, plastic foamed materials and fibrous, reticulate fabrics, which materials are co-fusible or bondable with said thermoplastic resin powder, said base member having a porosity 10-40% higher than said stamping member so as to insure a smooth flow of ink therebetween, said stamping member being fused with said base member.

Dependencies are inferred from the claim text.