Stamp member having a porous sheet

Details Stamp member having a porous sheet Stamp member having a porous sheet

1998-08-28

1999-12-14

Yan, Ren

Printing

Printing members and inkers

101333, 1014011, B41K 150

Patent

active

060003359

ABSTRACT:
A stamp member including a first porous sheet in which ink can be impregnated, and a second porous sheet which is harder than the first porous sheet. A compressive strength of the second porous sheet being not less than 5 kg/cm.sup.2 when the second porous resin is compressed by 25%. The first and second porous sheets are fixed to each other at a plurality of points.

REFERENCES:
patent: 3483027 (1969-12-01), Ritzerfeld et al.
patent: 3736873 (1973-06-01), Newman
patent: 5392711 (1995-02-01), Kainuma
patent: 5611279 (1997-03-01), Ando et al.
patent: 5873308 (1999-02-01), Taira
patent: 5899142 (1999-05-01), Suda et al.

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