Polyurethane foam compound for ink holder, ink holder, and...

Details Polyurethane foam compound for ink holder, ink holder, and... Polyurethane foam compound for ink holder, ink holder, and...

2005-02-08

2005-02-08

Cooney, Jr., John M. (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

C347S086000, C347S087000, C521S134000, C521S159000, C521S170000, C521S174000

Reexamination Certificate

active

06852763

ABSTRACT:
A polyurethane foam compound for an ink holder, characterized in that it comprises a polyol and an isocyanate as main components, and also a crosslinking agent; an ink holder, characterized in that it is prepared by foaming, curing and crosslinking the compound; a method for securing the close contact of an ink holder, which comprises using the above described ink holder, and placing the ink holder in an ink tank for containing an ink in a manner such that the ink holder is attached to the inner wall of the ink tank.

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