Abstract: The sheet transporting device of the invention includes: a transferring device (64) adapted to transfer a sheet (30), a conveying device (66; 66A) for conveying a sheet transferred from the transferring device (64) onto the conveying device, and a controlling means (76) adapted to control the speed of the conveying device (66; 66A) and defining a transfer cycle (CT). The controlling means (76) is adapted to slow down the conveying device (66) when a sheet is conveyed by the related conveying device and to accelerate the conveying device when no sheet is present on said conveying device. The invention can be used for the cutting devices of rotary printing machines.
Type:
Grant
Filed:
April 29, 2009
Date of Patent:
May 21, 2013
Assignees:
Goss International Montataire SA, Vits Print GmbH
Inventors:
François Poiret, Christophe Noiret, Alain Blanchard, Jean-François Robert, François Vidaillac, Nicolas Rousseau, Eric Pierda, Detlef Milkereit
Abstract: The sheet transporting device of the invention includes: a transferring device (64) adapted to transfer a sheet (30), a conveying device (66; 66A) for conveying a sheet transferred from the transferring device (64) onto the conveying device, and a controlling means (76) adapted to control the speed of the conveying device (66; 66A) and defining a transfer cycle (CT). The controlling means (76) is adapted to slow down the conveying device (66) when a sheet is conveyed by the related conveying device and to accelerate the conveying device when no sheet is present on said conveying device. The invention can be used for the cutting devices of rotary printing machines.
Type:
Application
Filed:
April 29, 2010
Publication date:
June 9, 2011
Applicants:
Goss International Montataire S.A., VITS PRINT GMBH
Inventors:
Francois Poiret, Christophe Noiret, Alain Blanchard, Jean-Francois Robert, Francois Vidaillac, Nicolas Rousseau, Eric Pierda, Detlef Milkereit
Abstract: The invention relates to a sheet (30) conveying device (D1, D2) comprising a transport roll (56, 58) for conveying a flat substrate (18, 30), said transport roll having a transport surface (82, 102) which comes into contact with the flat substrate and has a plurality of recesses (84, 104), and a vacuum device (64) for creating a depression in the plurality of recesses. The device also comprises a device (120) for cleaning the transport surface (82, 102). The invention is applicable to devices for ejecting sheets from printing presses.
Type:
Application
Filed:
April 29, 2009
Publication date:
May 12, 2011
Applicants:
Goss International Montataire S.A., VITS PRINT GMBH
Inventors:
Nicolas Rousseau, Christophe Noiret, Francois Poiret, Eric Pierda, Detlef Milkereit