Patent ID: 9229359
Filing Date: 2016-01-05
CPC Classification: B41F

Claim Text:
1. A printing unit with a doctor blade chamber and a rotatable roller where the roller extends partially into the doctor blade chamber for receiving ink from the doctor blade chamber during operation, wherein a gasket is provided for sealing between the doctor blade chamber and the roller, where the gasket at one side includes at least one sealing surface, the sealing surface having a width substantially corresponding to the width of the doctor blade chamber and a thickness in longitudinal direction of the roller, the thickness delimited by a first edge and a second edge at the sealing surface, wherein the gasket at its opposing side includes an elastomeric edge for sealing abutment against the roller, wherein the elastomeric edge is offset in longitudinal direction of the roller/doctor blade chamber relative to at least one of the edges that delimit the thickness on the sealing surface, where a surface extends from at least one of the edges delimiting the thickness on the sealing surface and to an area at the elastomeric edge/roller, wherein the gasket has a non-symmetric cross-sectional shape, wherein the surface constitutes a first leg comprising a backside, wherein said backside is supported by a second leg and where the gasket comprises one of: an inclining surface, corresponding to being angled less than 90° in relation to one of the sealing surface and the longitudinal direction of the roller/doctor blade chamber, a concave surface, a convex surface, and a concave and convex surface.