# US 2014/0150679 A1 · Ink wiping system for an intaglio printing press > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0150679 A1 - Document ID: US20140150679A1 - Status: Published application - Kind: A1 - Application number: 14/119,135 - Filed: 2012-05-15 - Published: 2014-06-05 - Earliest claimed: 2011-05-20 - Assignees: Kba-Notasys SA - Inventors: Laurent Claude; Antoine Merminod - Web page: https://patentgrep.com/patent/US20140150679A1 ## CPC - B41F 9/1018: {using a wiping cylinder} - B41F: PRINTING MACHINES OR PRESSES (manifolding devices or office printing machines B41L) ## Abstract There is described an ink wiping system (100) for an intaglio printing press comprising a wiping tank (101) and a rotatable wiping roller assembly (102) positioned on and partly located in the wiping tank (101) to wipe excess ink from the surface of a rotatable intaglio printing cylinder (80) of the intaglio printing press. The ink wiping system (100) comprises a supporting mechanism (200) coupled to the wiping roller assembly (102) and designed to move the wiping roller assembly (102) between a working position where the wiping roller assembly (102) is positioned on and partly located in the wiping tank (101) for cooperation with the intaglio printing cylinder (80) and a maintenance position where the wiping roller assembly (102) is moved out of the wiping tank (101) and away from the intaglio printing cylinder (80). Preferably, the wiping roller assembly (102) comprises a rotatable hollow cylindrical body (110) having an outer surface (110a) positioned to wipe the surface of the intaglio printing cylinder (80). ## Claims ### Claim 1 An ink wiping system for an intaglio printing press comprising a wiping tank and a rotatable wiping roller assembly positioned on and partly located in the wiping tank to wipe excess ink from the surface of a rotatable intaglio printing cylinder of the intaglio printing press, wherein the ink wiping system comprises a supporting mechanism coupled to the wiping roller assembly and designed to move the wiping roller assembly between a working position where the wiping roller assembly is positioned on and partly located in the wiping tank for cooperation with the intaglio printing cylinder and a maintenance position where the wiping roller assembly is moved out of the wiping tank and away from the intaglio printing cylinder. ### Claim 2 (depends on 1) The ink wiping system as defined in claim 1, wherein the wiping roller assembly is pivoted by the supporting mechanism between the working position and the maintenance position. ### Claim 3 (depends on 1) The ink wiping system as defined in claim 1, wherein the wiping roller assembly comprises: a rotatable hollow cylindrical body having an outer surface positioned to wipe the surface of the intaglio printing cylinder; and a central beam extending axially through the rotatable cylindrical body, which central beam is secured to the supporting mechanism, wherein the hollow cylindrical body is rotatably supported at first and second ends on the central beam via first and second cylinder bearings. ### Claim 4 An ink wiping system for an intaglio printing press comprising a rotatable wiping roller assembly to wipe excess ink from the surface of a rotatable intaglio printing cylinder of the intaglio printing press, wherein the wiping roller assembly comprises a rotatable hollow cylindrical body having an outer surface positioned to wipe the surface of the intaglio printing cylinder, which hollow cylindrical body is mounted on a supporting mechanism, and wherein the hollow cylindrical body is removable from the supporting mechanism during maintenance operations. ### Claim 5 (depends on 4) The ink wiping system as defined in claim 4, wherein the wiping roller assembly further comprises a central beam extending axially through the hollow cylindrical body, which central beam is secured to the supporting mechanism, and wherein the hollow cylindrical body is rotatably supported at first and second ends the central beam via first and second cylinder bearings. ### Claim 6 (depends on 3) The ink wiping system as defined in claim 3, wherein the second cylinder bearing is removable from the central beam to enable replacement of the hollow cylindrical body. ### Claim 7 (depends on 3) The ink wiping system as defined in claim 3, wherein each cylinder bearing comprises a flange mounted on the central beam and a rotatable supporting ring that is rotatably mounted onto the flange and coupled to the first or second end of the hollow cylindrical body. ### Claim 8 (depends on 3) The ink wiping system as defined in claim 3, wherein the supporting mechanism comprises a first arm secured to one end of the central beam proximate to the first cylinder bearing which supports the first end of the hollow cylindrical body and a second arm which is rotatably coupled to the second end of the hollow cylindrical body. ### Claim 9 (depends on 8) The ink wiping system as defined in claim 8, wherein the second arm can be decoupled from the second end of the hollow cylindrical body. ### Claim 10 (depends on 3) The ink wiping system as defined in claim 3, further comprising a pressing device disposed inside the hollow cylindrical body and designed to exert pressure on an inner surface of the hollow cylindrical body and to allow adjustment of a wiping pressure between the hollow cylindrical body and the intaglio printing cylinder. ### Claim 11 (depends on 10) The ink wiping system as defined in claim 10, wherein the wiping pressure between the hollow cylindrical body and the intaglio printing cylinder is adjustable by the pressing device at a plurality of axial positions along the length of the hollow cylindrical body. ### Claim 12 (depends on 11) The ink wiping system as defined in claim 11, wherein the pressing device comprises a plurality of pressing units that are distributed axially along the inside of the hollow cylindrical body to allow adjustment of the wiping pressure between the hollow cylindrical body and the intaglio printing cylinder at the plurality of axial positions along the length of the hollow cylindrical body. ### Claim 13 (depends on 3) The ink wiping system as defined in claim 3, wherein the hollow cylindrical body comprises a cylindrical base supporting at least one layer of wiping material. ### Claim 14 (depends on 13) The ink wiping system as defined in claim 13, wherein the at least one layer of wiping material is a layer of polymer material. ### Claim 15 (depends on 14) The ink wiping system as defined in claim 14, wherein the polymer material is PVC material. ### Claim 16 (depends on 3) The ink wiping system as defined in claim 3, wherein the cylindrical base is made of a torsion-resistant material. ### Claim 17 (depends on 16) The ink wiping system as defined in claim 16, wherein the cylindrical base made of fiber-reinforced composite material. ### Claim 18 (depends on 1) An intaglio printing press comprising an ink wiping system as defined in claim 1. ### Claim 19 (depends on 5) The ink wiping system as defined in claim 5, wherein the second cylinder bearing is removable from the central beam to enable replacement of the hollow cylindrical body. ### Claim 20 (depends on 5) The ink wiping system as defined in claim 5, wherein each cylinder bearing comprises a flange mounted on the central beam and a rotatable supporting ring that is rotatably mounted onto the flange and coupled to the first or second end of the hollow cylindrical body. ### Claim 21 (depends on 5) The ink wiping system as defined in claim 5, wherein the supporting mechanism comprises a first arm secured to one end of the central beam proximate to the first cylinder bearing which supports the first end of the hollow cylindrical body and a second arm which is rotatably coupled to the second end of the hollow cylindrical body. ### Claim 22 (depends on 21) The ink wiping system as defined in claim 21, wherein the second arm can be decoupled from the second end of the hollow cylindrical body. ### Claim 23 (depends on 4) The ink wiping system as defined in claim 4, further comprising a pressing device disposed inside the hollow cylindrical body and designed to exert pressure on an inner surface of the hollow cylindrical body and to allow adjustment of a wiping pressure between the hollow cylindrical body and the intaglio printing cylinder. ### Claim 24 (depends on 23) The ink wiping system as defined in claim 23, wherein the wiping pressure between the hollow cylindrical body and the intaglio printing cylinder is adjustable by the pressing device at a plurality of axial positions along the length of the hollow cylindrical body. ### Claim 25 (depends on 24) The ink wiping system as defined in claim 24, wherein the pressing device comprises a plurality of pressing units that are distributed axially along the inside of the hollow cylindrical body to allow adjustment of the wiping pressure between the hollow cylindrical body and the intaglio printing cylinder at the plurality of axial positions along the length of the hollow cylindrical body. ### Claim 26 (depends on 4) The ink wiping system as defined in claim 4, wherein the hollow cylindrical body comprises a cylindrical base supporting at least one layer of wiping material. ### Claim 27 (depends on 26) The ink wiping system as defined in claim 26, wherein the at least one layer of wiping material is a layer of polymer material. ### Claim 28 (depends on 27) The ink wiping system as defined in claim 27, wherein the polymer material is PVC material. ### Claim 29 (depends on 26) The ink wiping system as defined in claim 26, wherein the cylindrical base is made of a torsion-resistant material. ### Claim 30 (depends on 29) The ink wiping system as defined in claim 29, wherein the cylindrical base is made of fiber-reinforced composite material. ### Claim 31 (depends on 4) An intaglio printing press comprising an ink wiping system as defined in claim 4.