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Match Document Document Title
7631599 Sheet guide apparatus  
A sheet guide apparatus includes a transfer cylinder, first vane members, and a lateral air blowing guide. The transfer cylinder conveys a sheet. The first vane members are arranged at at least one...
7600755 System and method for preventing envelope distortion in a mailpiece fabrication system  
A vacuum deck for a mailpiece insertion module including a plurality of friction drive belts, a support plate slideably supporting the drive belts, a repositionable backstop assembly disposed along...
7594657 Medium pressing guide  
Various embodiments and methods relating to a guide for pressing a medium towards a surface of a drum and for retracting the guide away from the surface are disclosed.
7584957 Device for cycling blast or suction air in a sheet processing machine  
A device for controlling blast and/or suction air in a sheet processing machine, especially a printing press, includes a rotary valve for making ready different positive and negative pressure...
7537215 Method and apparatus for securing stretchable film using vacuum  
A vacuum wheel for securing and retaining various sizes of stretchable film is disclosed. The outer surface of the vacuum wheel includes an advantageous pattern of vacuum openings and vacuum slots,...
7530569 High volume adjustable vacuum assembly for a roll in an interfolding machine  
An interfolding machine includes a rotating roll with a series of ports configured to apply a vacuum pressure for holding and releasing sheet or web material. The interfolding machine further...
7530449 Conveyance apparatus  
A conveyance apparatus includes a platen having a flat supporting surface that supports a conveyor belt, from its inside, being stretched between first and second rollers. The apparatus further...
7481429 Method for the cyclic conveyance of sheets through a printing machine  
A method for cyclically conveying sheets through a printing-technological machine adjusts a sheet position with high accuracy. The sheets following one another are in each case held at the front...
7478806 Apparatus for conveying a sheet through a printing machine  
An apparatus for conveying sheets through a printing machine allows continuous monitoring of the position of a sheet with regard to a guide element over a long time period. There is provided a...
7438108 Separating and transporting flexible two-dimensional (sheet-like) products  
In a method and apparatus to separate and transport flexible two-dimensional products, such as paper sheets having an adhesive, the products are supplied via a product supply stack to a separation...
7407161 Method of and assembly for lapping consecutive sheets of web material  
A mechanism for offsetting or overlapping successive sheets of material in an interfolding machine includes a bed roll rotating at a first speed and a retard roll rotating at a slower, second speed...
7401777 Apparatus for supplying a shingled or overlapping sheet stream  
The invention relates to a device for supplying a shingled or overlapping sheet stream from a stack of sheets of a sheet feeder to a feed table of a sheet-processing machine with a belt table. The...
7384036 Sheet handling device for wide format sheets  
A sheet handling device for wide format sheets including a sheet support plate having a top surface containing suction holes which are connected to at least one suction chamber, the at least one...
7374167 Method and apparatus for controlling the vacuum distribution in an exposer for printing originals  
A method and an apparatus for controlling the vacuum distribution in an exposer for recording printing originals. The recording material for the printing originals is held firmly on a supporting...
7374164 Configuration for the transport and simultaneous alignment of sheets  
A configuration for the transport and simultaneous alignment of sheets has a straightedge, at least one conveyor belt disposed slightly at an angle to the straightedge in the direction of movement...
7367560 Suction device and method of conveying laminated sheet  
A suction device of the present invention includes a suction roller and a vacuum chamber. The suction roller holds an adhesive sheet to its peripheral surface by suction while maintaining contact...
7328899 Device for guiding sheets  
An apparatus for fixing a sheet on the surface of an electrically conductive cylinder of a printing machine for processing sheets, in particular, a sheet-fed offset printing machine. The apparatus...
7300051 Rippler for a paper deliverer  
A rippler may be installed on a paper deliverer used in conjunction with a paper sheeter, in between the vacuum belts of the sheeter. The rippler includes an upwardly projecting ridge, causing...
7293770 Sheet-transporting device having a suction belt module with a blower  
A device for transporting sheets to a sheet processing machine includes a feed table, and at least one suction belt endlessly revolvable over the feed table. The suction belt is subjectible to...
7287750 Machine for processing printing material sheets, in particular sheet-fed printing press, and method of operating the machine  
A machine for processing printing material sheets, in particular a sheet-fed printing press, has a sheet transport drum for transporting the printing material sheets and at least one sheet...
7219890 Valve system for the count roll of an interfolding machine  
An interfolding machine includes an assembly for and method of separating overlapped sheets of material at a desired sheet count. The assembly includes a vacuum assembly with a manifold having a...
7207558 Apparatus for the transport of sheets  
A conveying apparatus for transporting sheets to a sheet processing machine, in particular a printing press, has a suction belt table between a sheet in-feed and the sheet-processing machine. A...
7198267 Sheet processing machine with a sheet decurler  
A sheet-processing machine, such as a rotary press, has normally closed grippers that circulate during operation. The grippers transport the sheets along a conveying section and guide the sheets at...
7182334 Air diffusing vacuum transport belt  
An air diffusing vacuum transport belt including a first perforated layer and a second non-perforated layer is provided for transporting image carrying substrates without vacuum belt induced image...
7175176 Device for feeding suction air or blowing air in a sheet-processing machine  
A device for feeding suction air or blowing air to a sheet-retaining device displaceable relative to a machine element in a sheet-processing machine, includes a first air-feeding element...
7150456 Sheet transport drum for a machine processing printing-material sheets  
A machine processing printing-material sheets contains a first sheet transport drum and a second sheet transport drum disposed immediately after the first sheet transport drum in a sheet transport...
7146891 Device for transferring two-dimensional products onto a transportation device  
A method for segregating and transferring a product from a web of material includes the steps of conveying the web of material between a punching roll and a counter pressure roll, the punching roll...
7144009 Apparatus for transmitting a workpiece  
The apparatus for transmitting a workpiece along a press line includes a support frame; a support frame driving unit; a plurality of air pipes; an air flow forming unit; a plurality of rollers; and...
7125014 Device for conveying a stream of sheets from a sheet pile to a sheet-processing machine  
A device for conveying an imbricated stream of sheets from a sheet pile to a sheet-processing machine includes a conveying table provided with at least one revolvingly drivable, air-permeable...
7124686 Apparatus for clamping and holding a printing plate on an exposure drum  
In the field of electronic reproduction technology, an apparatus for clamping and holding a printing plate on the surface of an exposure drum in a printing plate exposer includes a clamping...
7121201 Printing press folder with air knife  
The folder of a printing press includes an air knife assembly to reduce damage to signatures as they travel through the folder and to guide signatures through the folder.
7111843 Sheet-processing machine having a suction air producing device  
A sheet-processing machine includes a revolving sheet holding device for aiding in transporting sheets to be processed. A device for producing suction air or air blast has a movable air delivery...
7014187 Vacuum plenum system for facilitating the high-speed conveyance of mail pieces  
A new and improved article or mail-piece conveyor system has a vacuum plenum system integrally incorporated therein which effectively withdraws ambient air ahead or downstream of the oncoming...
7000917 Sheet-guiding device in a sheet-processing machine  
A sheet-guiding device in a sheet-processing machine, in particular a sheet-fed rotary printing press, includes gripper devices disposed on revolving components of the sheet-processing machine for...
6997549 Media hold down system  
A media hold down system includes electrodes configured to create an electric field at a surface and a vacuum source configured to create a vacuum at the surface.
6983692 Printing apparatus with a drum and screen  
A printing apparatus includes a drum having a peripheral surface having passageways therein. A screen having apertures therein is placed over the peripheral surface of the drum.
6969066 Passive vacuum transport  
An apparatus for improving sheet feeding in a direction of movement to a process station, including: a contact surface having ribs spaced along contact surface in the direction of movement,...
6910416 Suction guidance device for a single-drum turner  
In the region of a turner device in a sheet processing machine, a sheet-guiding device is disposed at a great spacing from the turner drum on the other side of a common tangent between a turner...
6899327 Sheet guide apparatus  
A sheet guide apparatus comprises gripper devices for holding and transporting a printed sheet, an impression cylinder and a transfer cylinder for holding and transporting the printed sheet...
6896258 Sheet-fed press and intermediate cylinder for sheet-fed press  
An intermediate cylinder comprising a main body, and a plurality of suction boxes formed in the main body at positions different with respect to a rotation axis of the main body. The intermediate...
6883426 Printing machine and method for printing a sheet  
A printing press for one-sided or two-sided printing of a sheet includes a transfer cylinder disposed in a travel direction of the sheet between a first and a second impression cylinder,...
6871852 Vacuum platen assembly for fluid-ejection device with one or more aerosol-collection recesses  
A vacuum platen assembly for a fluid-ejection device of one embodiment of the invention is disclosed that includes a platen that has a number of vacuum holes, and one or more aerosol-collection...
6851672 Sheet transport position and jam monitor  
A sheet transport system ( 20 ) comprising at least one sheet transporter ( 30,36 ) that receives and hands off a sheet being transported by the system so as to transport the sheet from a first...
6834949 Device for simultaneously holding by suction and transporting a sheet  
A device for holding a sheetlike article on a movable underlying surface for transporting the sheetlike article in at least one direction selected from the group consisting of a direction into and...
6769684 Air turning bar  
An air turning bar for a take-off device for plastic films has a hollow cylindrical body having a depression in the region of the bar around which the film is wrapped. The remaining region of the...
6746015 Transport device for flat goods, especially paper  
A transport device for transporting flat goods has at least one transport belt having longitudinal edges and a transport area. At least one vacuum device and at least one guide with sidewalls are...
6739252 Method and apparatus for reversing sheet material in sheet-processing machines  
A method and an apparatus for reversing sheet material in a sheet-processing machine having at least two printing units, a reversing drum with a gripper system, and an impression cylinder that can...
6705610 Arrangement for sheet holder systems on storage drums in turning devices of sheet-fed printing machines  
The invention relates to an arrangement of sheet-holding systems at storage drums in turning devices of sheet-fed printing machines. It is an object of the invention to provide an arrangement of...
6702283 Device for decurling flat printing materials  
A device for decurling flat printing materials for a machine for processing the printing materials has a guide surface section whereover the printing materials are drawable. The guide surface...
6688594 Suction roll  
A suction roller is used to transport aligned sheets in a sheet processing machine. A portion of the circumferential surface of the roller has suction ports. A drive motor is provided for the...
Matches 1 - 50 out of 342 1 2 3 4 5 6 7 >