Printing – Inkers – Roller
Patent
1987-05-18
1989-08-29
Crowder, Cliford D.
Printing
Inkers
Roller
29132, B41F 3126
Patent
active
048606529
ABSTRACT:
A mesh roller for planography. Its external surface is formed with a protruded surface and a plurality of fine cells for storing ink. The surface is made of or covered with a combination of a high hard material and a lipophilic metal material. According to the first aspect, the center area of its protruded surface is composed of or covered with a lipophilic metal material and the border edge between the protruded surface and the cells is composed of or covered with a high hard material. According to the second aspect, the protruded surface is composed of or covered with a mixture of a high hard material and a lipophilic metal material which are finely mixed each other. This mesh roller can be provided with a superior wear resistance against a high pressed scraping motion of a doctor blade and a high ability of ink reservation by preventing a lipophilic metal material from water soiling.
REFERENCES:
patent: 2620730 (1952-12-01), Gilbert
patent: 4009658 (1977-03-01), Heurich
patent: 4301730 (1981-11-01), Heurich et al.
patent: 4391879 (1983-07-01), Fabian
patent: 4407196 (1983-10-01), Matalia
patent: 4503769 (1985-03-01), Andersen
patent: 4567827 (1986-02-01), Fadner
patent: 4637310 (1987-01-01), Sato et al.
Crowder Cliford D.
Kabushikigaisha Tokyo Kikai Seisakusho
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