Methods of making multi-color ink stamps

Details Methods of making multi-color ink stamps Methods of making multi-color ink stamps

2008-06-17

2008-06-17

Colilla, Daniel J. (Department: 2854)

Printing

Bed-and-platen machines

Reciprocating bed

C101S125000, C101S171000, C101S333000, C101S405000

Reexamination Certificate

active

07387068

ABSTRACT:
A method of making an ink stamp includes providing a first porous structure having a top surface, a bottom surface and porous edges extending between the top and bottom surfaces, loading a first ink into the first porous structure, and providing a second porous structure having a top surface, a bottom surface and porous edges extending between the top and bottom surfaces. The method includes loading a second ink into the second porous structure, applying energy to one of the porous edges of the first porous structure to transform the porous edge to an edge having a non-porous surface, and assembling the first porous structure with the second porous structure so that the non-porous edge of the first porous structure is in direct contact with one of the porous edges of the second porous structure. The non-porous edge prevents the first ink from passing through the non-porous edge to the second porous structure.

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