B - Operations – Transporting – 41 – F
Patent
B - Operations, Transporting
41
F
101/103, 26/200
B41F 31/26 (2006.01) B41N 7/06 (2006.01)
Patent
CA 1327478
- 21 - Abstract of the Disclosure According to the present invention, the transfer roller 5 comprises a core roller and a matrix layer formed on the periphery of the core roller and made of rubber or resin. The matrix layer has a number of semi- spherical depressions formed in its surface and also a number of hollow microspheres embedded in it. As the matrix layer of the ink transfer roller is gradually worn as roller 5 is used, the hollow microspheres open in the surface of the matrix layer 11, thus forming new spherical depressions. Hence, the spherical depressions are always distributed uniformly in the surface of the matrix layer, and hold a prescribed amount of ink. The ink transfer roller therefore transfers ink in a desired amount onto the inking rollers of a keyless printing machines, in a uniform distribution all over the peripheries of the inking rollers. The ink transfer roller, thus, achieves high-quality printing at low cost for a long time of period.
579249
Ishibashi Nobuyuki
Sonobe Saburo
Fetherstonhaugh & Co.
Kinyosha Co. Ltd.
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