Printing – Printing members – Rolling contact
Patent
1994-12-05
1996-05-07
Burr, Edgar S.
Printing
Printing members
Rolling contact
492 18, 492 28, B41F 1308
Patent
active
055135684
ABSTRACT:
A plate cylinder for a sleeve-type printform, particularly an aluminum offset printform, with a ramp-like transition piece as a guide surface for the mechanical expansion of the sleeve-type printform onto the larger cylinder diameter. At least the surface area of the plate cylinder that is covered by the ramp-like transition piece has a highly wear-resistant and pressure-resistant slide surface of a material different from the remaining surface material of the plate cylinder to prevent abrasion when the printform is slipped onto the plate cylinder.
REFERENCES:
patent: 4030415 (1977-06-01), Fellows
patent: 4089265 (1978-05-01), White et al.
patent: 4144813 (1979-03-01), Julian
patent: 4381588 (1983-05-01), Biondetti
patent: 4963404 (1990-10-01), Jenkins
patent: 5111600 (1992-05-01), Lukavich et al.
patent: 5379693 (1995-01-01), Hoffman et al.
Grieser Alfons
Hoffman Eduard
Prem Wolfgang
Winterholler Johann
Burr Edgar S.
MAN Roland Druckmaschinen AG
Raciti Eric P.
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