Ink roller for printing machine
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United States of America Patent
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May 19, 1992
Grant Date -
N/A
app pub date -
Jan 31, 1989
filing date -
Dec 21, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
According to a printing machine ink roller and a method of the invention for manufacturing the same, a surface layer (18) consisting of a synthetic resin or a rubber-like material, which has ink absorbency and which allows surface polishing, is arranged on a surface of a mandrel, a large number of substantially spherical particles are mixed in the surface layer (18), and a large number of independent projections (16) are formed by partially exposing predetermined substantial particles in a surface region (17) of the surface layer (18). The ink roller can maintain a function of transferring a predetermined amount of ink for a long period of time so that the performance of a printing machine can thus be improved, and such a printing machine can be very easily manufactured and repaired.
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