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| Number | Title | Issue Date |
| 5163674 | Drive means for a recording medium having liquid images thereon In the present invention, a drive means for use in a printer or copier is described which will transport a recording medium, such as paper, having liquid images on one surface thereof without inadvertently causing the recording liquid to be pushed from th... | 11/17/1992 |
| 5163370 | Powdering device for printed articles A powder dusting apparatus for dusting printed products with fine powder has a plurality of nozzle bodies (42) arranged in parallel one beside the other, which emit the powder mist. The spacing of the nozzle bodies (42) can be adjusted by a thread drive (... | 11/17/1992 |
| 5115741 | Device for drying printed products in a printing machine A device for drying printed products in a printing machine having a transport device for conveying printed products along a given path includes a radiation device located outside the printing machine for generating radiant energy, and a device for transmi... | 05/26/1992 |
| 5086700 | Drying/curing apparatus for printing presses Drying/curing apparatus comprises a hot air dryer and a radiation unit for drying water based inks or irradiating ultra violet radiation curable inks printed on a web traveling therepast. A laterally displaceable shutter is interposed between the web and ... | 02/11/1992 |
| 5042384 | Anti-marking method and apparatus for use with perfector cylinders of rotary sheet-fed printing presses A method and apparatus for use with a grooved perfecting cylinder in a sheet-fed rotary printing press of the type capable of one sided or two sided sheet printing, the apparatus including a substantially rigid covering having a friction reducing coating ... | 08/27/1991 |
| 5007342 | Air cushion drum or sheet-fed printing presses An air cushion drum for a sheet-fed printing press is formed with an internal body and an outer casing defining a cavity inside the drum through which air streams are supplied to issue from orifices in the drum casing and force the sheets away therefrom. ... | 04/16/1991 |
| 5001980 | Delivery apparatus for sheet-fed printing press A delivery apparatus for a sheet-fed printing press includes a detector, a control unit and a solenoid. The detector detects a moving amount of suction wheels moved by adjustment and generates a signal corresponding to the moving amount. The control unit ... | 03/26/1991 |
| 4991506 | Device for drying printed products in a printing machine A device for drying printed products in a printing machine having a transport device for conveying printed products along a given path includes a radiation device located outside the printing machine for generating radiant energy, and a device for transmi... | 02/12/1991 |
| 4947744 | Screen printing method A screen printing method wherein a flat article that is to be printed, printing material for example, is laid out on a printing table and secured if necessary by vacuum, a screen with a stencil that has printing ink on its upper surface is lowered with it... | 08/14/1990 |
| 4889211 | Printing press idle roller braking system A printing press idle roller braking system is provided with a friction member mounted to the printing press frame for making frictional circumferential contact with an outer circumferential periphery of a cylindrical idle roller to reduce and control the... | 12/26/1989 |
| 4813351 | Multiple color screen printing and curing apparatus A screen printing and curing apparatus has a shiftable printing head that carries a plurality of screen printing units that are each adapted to print an inked image of a color or texture different than the images printed by the other printing units. After... | 03/21/1989 |
| 4809608 | Infrared dryer for printing presses An infrared dryer for printing presses has a main body (12), an ink shield (14), and a control box (16). The main body (12) has infrared lamps (30) positioned below a multiple-layer roof of sheet metal aluminum. The infrared lamps (30) are oriented toward... | 03/07/1989 |
| 4779558 | Image permanence device A method and apparatus for preventing smudging of indicia printed on a surface by selective application of an amount of coating material to lubricate the contact with surfaces abrading the printed indicia or to provide physical separation from abrading su... | 10/25/1988 |
| 4776270 | Method of printing characters on resin key tops A method of printing characters on key tops made of a resin comprises the steps of printing character patterns on the key tops using an ink obtained by adding a coloring agent to a multifunctional acrylic ultraviolet-ray-curable paint and subsequently har... | 10/11/1988 |
| 4760790 | Printing presses There is provided a web printing apparatus (20 ) comprising a web feed means (4, 5, 6), two or more printing stations (21, 22) arranged to print radiation-curable ink onto a web (3) and a primary radiation source (11) arranged to radiate said web with an ... | 08/02/1988 |
| 4716658 | Heat lamp assembly A heat lamp assembly is provided which includes a housing with a pair of quartz tube, infrared heat lamps mounted therein. A pair of reflectors partially enclose the heat lamps ad include extension legs which project downwardly from the housing and partia... | 01/05/1988 |
| 4645481 | Method and apparatus for preventing contamination by splashing glue in a carton forming machine The invention relates to a method for blowing away particles of glue in a strip-gluing unit for folding box forming machines for gluing box blanks. Compressed air is blown from the side of a gluing disc of the gluing unit at an acute angle obliquely towar... | 02/24/1987 |
| 4622896 | Powder spray gun A powder spray attachment for printing presses for mounting above the delivery tray comprises a cylindrical tube having a plurality of ports along the length thereof for mounting transverse to the delivery tray with a plurality of movable clamps on the tu... | 11/18/1986 |
| 4608484 | Postage meter This invention discloses a structure for preventing unwanted migration of postage meter ink through the spaces separating various plastic components of the structure.... | 08/26/1986 |
| 4526101 | Arrangement for drying printed material A drying arrangement located in a drying station and intended for drying printed material includes a material-conveying path (10), preferably arranged to convey the material through the print drying station, and further including one or more drying and/or... | 07/02/1985 |
| 4463672 | Printing apparatus having stain preventing means The apparatus of the present invention is provided with a stain preventing element provided between a print drum and a hammer and adapted to shield alternate digits to be printed, said stain preventing element being shiftable in the transverse or advancin... | 08/07/1984 |
| 4212555 | Ink absorbent pressure rollers for ink recording devices A pressure roller bar for ink recording devices is disclosed wherein the rollers are formed with ink absorbing surface portions. The roller may have a synthetic body with a circumferential recess receiving a replaceable felt ring which projects radially o... | 07/15/1980 |
| 4176162 | Method and apparatus for conservation of energy in a thermal oxidation system for use with a printing press Solvents evaporated from ink solutions in the drying sections of a multi-station printing press are converted into harmless gases by heating in an oxidation chamber. The amount of energy required to maintain the oxidation temperature is substantially redu... | 11/27/1979 |
| 4024815 | Device for spraying powder A system for feeding powder in spray form to a device associated with a machine which transports products to be sprayed. The device associated with the machine is arranged to spray powder on the work surface in a controlled zone with the system being oper... | 05/24/1977 |
