Sheet-guiding foil as a covering for impression cylinders

Details Sheet-guiding foil as a covering for impression cylinders Sheet-guiding foil as a covering for impression cylinders

1980-04-18

1982-04-27

Hunt, Brooks H.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having variation in thickness

428164, 428172, 428908, 428909, 101422, B41F 120

Patent

active

043271359

ABSTRACT:
A sheet-guiding foil as a sheath for an impression cylinder in rotary offset perfecting presses, one surface of the foil being smooth while the opposite surface thereof is formed with spherical calottes of equal height and of statistically uniform distribution, including a chemically resistant, wear-resistant and rigid backing layer with good ink transfer behavior and a textured surface, and a thin chromium layer applied thereto for evening out microroughness, and the method of production.

REFERENCES:
patent: 705294 (1902-07-01), Rhodes
patent: 1778185 (1930-10-01), De Vries
patent: 2555319 (1951-06-01), Cross
patent: 2804417 (1957-08-01), Cross et al.
patent: 3152035 (1964-10-01), Kirchner
patent: 3473952 (1969-10-01), McFadden

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