Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 4920881 | Method of cooling hot webs The method for cooling a hot web by passing it across a rotating thermally conductive chill roller having a circulating coolant therein. In accordance with this invention, one introduces as a coolant to the chill roller a liquid refrigerant at a temperatu... | 05/01/1990 |
| 4915025 | Anvil cylinder for processing machine An anvil cylinder for use in a processing machine, which is installed in parallel with a cylinder equipped with a processing tool such as a die cutting tool. The anvil cylinder comprises a heating means by which the cylinder is so heated as to make dry th... | 04/10/1990 |
| 4903592 | Silkscreen printing system for multicolor printing in a predetermined order of colors A silkscreen printing system for multicolor printing by the application of separate colors in a predetermined order is provided in which a plurality of printing tables are positioned in the path travelled by the print material through the printer arrangem... | 02/27/1990 |
| 4882992 | Combination powder applying and/or infrared drying attachment for printing presses The attachment is selectively usable to apply heat, anti-offset powder, or both heat and powder to freshly printed sheets passing to the sheet collection station of a printing press. Operation of the heat and/or powder applying assemblies is changed autom... | 11/28/1989 |
| 4861178 | Vacuum system for computer printers For a computer printer having a paper feeder designed to engage a continuous perforated paper having a series of prepunched holes on the left and right marginal strips, a vacuum attachment is disclosed for keeping clean the interior of the computer printe... | 08/29/1989 |
| 4852492 | Device for aftertreating a coated or printed material web A device for aftertreating a material web, coated or printed on at least one side thereof, having a drier for heating the material web to vaporize solvents contained therein, a vapor channel connected to the drier and traversible by the material web, and ... | 08/01/1989 |
| 4836102 | Ink transfer with partial curing A process for printing in which a layer of ink on an ink transfer pad is cured at the interface between the ink layer and the pad and left substantially uncured at the outer surface to provide a tacky surface for contact of the ink layer with a printable ... | 06/06/1989 |
| 4833794 | Dryer apparatus for floating a running web and having baffle means for spent return air Apparatus for floatingly suspending a running web through an elongated dryer, and having a series of air delivering, individual air bars located along the length of the web for discharging air towards the web for supporting the latter, the spent air then ... | 05/30/1989 |
| 4787547 | Mounting means for air bars Apparatus for drying a running paper web and floatingly suspending it without contact during the drying process, including air bars which are spaced apart from one another along each side of the web and are fed with pressurized air for a supply duct. The ... | 11/29/1988 |
| 4627345 | Rotary screen printing apparatus A rotary screen printing device for delivering coating fluid from the inside of a print cylinder through patterned openings onto an adjacent advancing substrate has a print cylinder support frame, a ring-shaped major idler having its periphery retained in... | 12/09/1986 |
| 4624182 | Device for dampening a printing plate A device for dampening a printing plate of a rotary printing machine having in successive engagement a dampening-pan roller, a metering roller and dampening-medium applicator rollers for forming a very thin uniform dampening-medium film including at least... | 11/25/1986 |
| 4576737 | Encapsulation of volatile liquids This invention provides a process for the encapsulation of volatile liquids which can be natural or synthetic flavoring oils or perfumes in carriers, which are soluble in water. The encapsulates provided by this invention are prepared by spraying an emuls... | 03/18/1986 |
| 4567673 | Method and apparatus for drying printed or inked webs by means of heat In a method of and apparatus for heat-drying of webs, especially printed or inked webs, the web is first subjected to a contactless heat shock treatment, for example by hot air at about 300° C. It is then heated by a contact process at a lower temperatur... | 02/04/1986 |
| 4566014 | Drop counter printer control system The intersheet gaps or spacings between successive sheets of copy paper for an ink jet printing system are set according to the print densities for sheets to be printed to enhance the operation of a sheet dryer within the printing system. The greater the ... | 01/21/1986 |
| 4532863 | Method and apparatus for controlling the temperature in rotating printers The invention concerns a rotating printing device and process for transferring a product from an engraved printing cylinder to a continuously moving web. A press or presser roller is adapted to provide a contact zone with the web and to apply the contact ... | 08/06/1985 |
| 4506457 | Method and apparatus for drying a paper, or similar, web A method and an apparatus for drying a paper, or similar, web so that a wet web and a drying felt or wire are subjected to an air removal treatment, the web and the felt or wire freed of air are passed between moving surface elements having good heat cond... | 03/26/1985 |
| 4504220 | Drying apparatus with deodorizing system for a printing machine A drying apparatus with a deodorizing member for a printing machine including a hot blast nozzle for directing a hot blast against a web of printed material for drying the printed material. The deodorizing member includes a preheating chamber provided wit... | 03/12/1985 |
| 4474109 | T-Shirt printing apparatus with multiple drying booths T-shirt printing apparatus of this invention for printing a desired pattern on a T-shirt comprises a support frame, upper and lower turntables rotatably mounted on the support frame, the upper and lower turntables being rotatable relative to each other on... | 10/02/1984 |
| 4469026 | Method and apparatus for controlling drying and detaching of printed material Printer having a sheet feed and drum transport assembly, an exit assembly and at least one dryer. Various print parameters or conditions are monitored relating to the drying of the ink on print media. These print parameters include print data density, ink... | 09/04/1984 |
| 4449453 | Device for drying printed sheets on offset printing presses Device for drying printed sheets on an offset printing machine, including infrared radiators disposed above a delivery pile of the sheets and between an upper and a lower run of an endless delivery chain, the infrared radiators being displaceable from a r... | 05/22/1984 |
| 4434562 | Curing apparatus and method A curing unit includes an arcuate reflector shield open at the lower end with a curing lamp in the shield and a cooling chamber above the shield. Cooling fluid is directed into the chamber toward the outer surface of the shield and some of this cooling fl... | 03/06/1984 |
| 4409741 | Conveyor device for transferring freshly printed sheets This conveyor device for transferring freshly printed sheets from a printing machine to a stack or to another printing machine, comprises a first chain clips system movable continuously and adapted to hold with its clips the leading edge of the sheet. Thi... | 10/18/1983 |
| 4395949 | Sheet transport drum assembly in a rotary printing press Sheet transport drum assembly in a rotary printing press wherein a sheet being transported rests upon an air cushion formed by blowing air between the jacket of a rotatable transport drum and the sheet, including air nozzle means for producing the air cus... | 08/02/1983 |
| 4340893 | Scanning dryer for ink jet printers A scanning carriage ink jet printer is provided wth ink drying apparatus on the carriage. The dryer allows a greater variety of inks and paper to be utilized. Preferably, drying apparatus is provided on both sides of the printer, parallel to the scanning ... | 07/20/1982 |
| 4312137 | Drying device in a sheet-fed rotary printing press A printing press includes an impression cylinder formed with axially directed channels for sheet-clamping means, a radiant dryer arranged above the impression cylinder to radiate heat on the printed sheet, a screening hood mechanism tiltably mounted for m... | 01/26/1982 |
| 4294556 | Guide for record carrier in printers A device for guiding a record medium sheet which is to be printed upon in a printing machine having a platen, the device being arranged to guide the sheet around the platen and including an apron member formed and positioned to hold the sheet in contact w... | 10/13/1981 |
| 4271347 | Method and apparatus for accelerating chemical reactions using a spread beam deflector with single or multiple reflectors An apparatus for spreading a coherent light beam produced by a laser or lasers into a selected pattern. The selected pattern of coherent light, generally a ribbon-like shape, can be used to place a desired amount of electromagnetic energy at a selected fr... | 06/02/1981 |
| 4242956 | Takeoff apparatus for a wicket dryer A cantilevered takeoff apparatus is provided by the present invention which is particularly adapted to automatically remove printed stock from the bed of a screen printing press and transfer the stock to a wicket dryer, having a plurality of rows of wicke... | 01/06/1981 |
| 4235579 | Synthetic plastics article manufacturing system An extruder or the like, continuously issues a heated plastics material in the form of an elongated web, which is moved sequentially to molding and article severing stations. The products cut out are moved to lip rolling printing and drying stations. Arti... | 11/25/1980 |
| 4233901 | Drying printed web material Apparatus for drying printed web material comprises a chamber housing a fan disposed within a casing, the casing having a fan inlet open to the interior of the chamber. An outlet duct is provided for discharging drying flow of air from the fan to outside ... | 11/18/1980 |
| 4150495 | LEL (lower explosive limit) control with automatic calibration capability The LEL (Lower Explosive Limit) control includes a gas analyzer normally connected to receive sample gas from the evaporation enclosure of a press dryer section and which, during calibration, is sequentially connected to first analyze solvent free gas and... | 04/24/1979 |
| 4135447 | Machine for printing measuring tape A machine for printing English or metric or combination English metric measuring tapes of long or short length comprising a plurality of self-contained modules for controlling, feeding, printing, stabilizing, and taking up the printed tape, the printing m... | 01/23/1979 |
| 4089193 | Machine for printing on textile webs A textile web is advanced in a path, and one or more printing stations print onto it. Downstream of the printing station or stations is provided a suction arrangement which contacts the advancing textile web from below, extending across the entire width o... | 05/16/1978 |
| 4056056 | Rotary printing press A combined rotary printing press comprises an offset printer and a direct plate printer arranged in tandem. The offset printer comprises a transfer cylinder, a plurality of plate cylinders for applying an image to the transfer cylinder and an impression c... | 11/01/1977 |
| 4033263 | Wide range power control for electric discharge lamp and press using the same A mercury vapor electric discharge lamp is supplied with AC electric power, which is variable over a wide range, to control the lamp output power in the form of the intensity of the electromagnetic radiation emitted over a correspondingly wide range of fr... | 07/05/1977 |
| 4008661 | Printing press for use with bag-making machines Compact rotary multi-color printing press for roll-fed webs, especially for use with machines for forming bags of polyethylene and the like. The press has a web feed arrangement which isolates a section of the web around a main drum and which varies the w... | 02/22/1977 |
| 3960081 | Drying arrangement for drying inks, adhesives and analogous substances on sheet material Sheet material carrying ink, lacquer, adhesive or some other substance requiring to be dried, is advanced in a path in which its major surfaces are exposed. A drying arrangement, including a source of UV radiation and of incidental IR radiation, is locate... | 06/01/1976 |
