Did You Know...
...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7644499 | Protective sleeve cover for printing roll A protective sleeve cover is described for protecting anilox, gravure, or other costly rolls. The protective sleeve cover is cylindrical in geometry and has a means at one end for securing the cover to the roll being protected. The protective sleeve cover is readily... | 01/12/2010 |
| 7171139 | Sleeve on a drum and changing said sleeve In replacing a sleeve on a printing machine drum, the diameter of the drum is reduced by moving the drum parts toward one another to facilitate removing the sleeve, and/or mounting another sleeve onto the drum, and increasing the drum diameter by moving the drum par... | 01/30/2007 |
| 7070551 | Device for producing a packaging material Impression roller (10) for a laminating machine for producing a packaging material which comprises a carcass layer (40) consisting of paper or carton, which carcass layer exhibits through holes (42), and which carcass layer exhibits, on one of i... | 07/04/2006 |
| 6915569 | Method of manufacturing an anilox roller for a flexographic printing press A method of manufacturing an anilox roller, in particular for a flexographic printing press, the anilox roller comprising a cylindrical core and a sleeve detachably held on the core and having at its surface an anilox layer with a grid pattern of pits, including the... | 07/12/2005 |
| 6865764 | Fixture for assembling a post-CMP cleaning brush A fixture for assembling a post-CMP cleaning brush. The post-CMP cleaning brush is provided with a brush core and an outer brush, and the outer brush is provided with a hollow portion. The fixture comprises a base, a plurality of posts and a guiding member. The base... | 03/15/2005 |
| 6854390 | Device for adjusting extractable jackets in flexographic machines A device in flexographic machines, for making an adjustment between an inner shaft and an extractable jacket, with the double purpose of supporting the jacket along the entire length of the shaft, and of increasing the stiffness of the jacket. The adapter comprises ... | 02/15/2005 |
| 6845700 | Device for mounting and removing die blankets of a rotary cutting anvil cylinder The device for mounting and removing blanket strips of a rotary cutting anvil cylinder comprises means for tightening and loosening the ends of at least one blanket strip so as to allow permutation with the other blanket strips of the rotary cutting anvil cylinder. ... | 01/25/2005 |
| 6832422 | Apparatus for assembling a post-CMP cleaning brush An apparatus for assembling a post-CMP cleaning brush. The post-CMP cleaning brush is provided with a brush core and an outer brush, and the outer brush is provided with a hollow portion. The apparatus comprises a base, a fixed member, a sliding member, a plurality ... | 12/21/2004 |
| 6655746 | Paint roller and its production process The invention relates to a method for producing a paint roller having a roller body comprised of a synthetic foam with an inner recess for placement on a support arm. The invention is characterized in that the roller body is expanded in a molding tool. To... | 12/02/2003 |
| 6651338 | Method for the production of a cylindrical embossing sheet In a method and an apparatus for the production of a cylindrical embossing sheet that is to be fixed on a rotating clamping cylinder for the manufacture of continuous webs having surface structures, such as holograms, cine-grams, exelgrams, for safety and... | 11/25/2003 |
| 6599396 | Texturing roller in a paper machine There is disclosed a roller (10) for a texturing press on a papermaking machine adapted to be fitted with an interchangeable engraved sleeve (12) and comprising a cylindrical shell (20, 21) having a plurality of axially and circumferentially spaced apertu... | 07/29/2003 |
| 6526885 | Support device for a printing sleeve A printing sleeve in combination with a support device includes a printing sleeve having, a first end, a second end and an interior surface, and an inflation device acting on the interior surface of the printing sleeve when the printing sleeve is removed ... | 03/04/2003 |
| 6440347 | Method of manufacturing roller for fixing covered with tube A method of manufacturing a tube-covered roller for fixing includes a step of setting a core material in a substantially central portion of a cylindrical mold and setting, outside the core material, a tube and a resin layer which is capable of coming into... | 08/27/2002 |
| 6425327 | Method for forming a cylindrical photosensitive element A method for forming a seamless cylindrical photosensitive element on a flexible cylindrical sleeve wherein the flexible sleeve is mounted onto a sleeve support to isolate the flexible sleeve from high temperature and/or high pressure associated with form... | 07/30/2002 |
| 6394943 | Image transfer drum for document printer/copier A drum assembly comprises a replaceable sleeve of resilient material supported by a rigid cylindrical mandrel having an air bearing at one end to facilitate loading and removal of the resilient sleeve. The air bearing is provided by a pair of cooperating ... | 05/28/2002 |
| 6386103 | Blanket tube removal device A printing sleeve removal device includes a first jaw arm and a second jaw arm movable with respect to the second jaw arm, the first and second jaw arms having ends forming a jaw to engage a printing sleeve. Also disclosed is a method for removing a print... | 05/14/2002 |
| 6344100 | Method of resurfacing a roll A method of resurfacing a traction roll to provide a friction surface to replace a worn surface. A supply reel of metal strip material is continuously unwound from a supply reel and rewound on a take-up reel. Between the reels, the unwound strip passes th... | 02/05/2002 |
| 6335066 | Disposal cartridge with a recyclable toner-carrying roller A disposal cartridge for use in an image forming apparatus includes a sheet and a roller. An area of the sheet is at least equal to an area of the entire circumferential surface of the roller. The sheet is detachably bonded to an entire circumferential su... | 01/01/2002 |
| 6331213 | Brush alignment method A brush alignment apparatus and method of using the same for aligning a hollow cylindrical brush on a cylindrical roller member comprising first and second ends and an outer surface defining a internal cavity, provided with a plurality of orifices extendi... | 12/18/2001 |
| 6250223 | Blanket tube removal device A printing sleeve removal device has at least one band for wrapping around at least part of a printing sleeve and a tightening device connected to the at least one band for tightening the at least one band. Also provided is a method for axially removing a... | 06/26/2001 |
| 6203666 | Method and device for paper web manufacturing In the present invention, in a process in which a fiber suspension supplied in a flat layer manner is subjected to natural dehydration, pressure dehydration, or suction dehydration, while circulating a cylindrical suction cylinder, and thereby, dehydratio... | 03/20/2001 |
| 5987748 | Method of making ink roller assembly There is disclosed an ink roller assembly and a method of making an ink roller assembly. The assembly includes a base comprised of closely spaced connected discs providing capillary chambers and a porous sleeve. The method uses air to expand the porous sl... | 11/23/1999 |
| 5974972 | Printing carrier sleeves and method for manufacturing the same A printing carrier sleeve for mounting printing plates thereon, is formed by cutting a sheet of flexible plastic material having opposite edges into a substantially rectangular shape of desired dimensions such that opposite edges are cut-away to provide c... | 11/02/1999 |
| 5953992 | Method of making ink roller assembly There is disclosed an ink roller assembly and a method of making an ink roller assembly. The assembly includes a base comprised of closely spaced connected discs providing capillary chambers and a porous sleeve. The method uses air under pressure or vacuu... | 09/21/1999 |
| 5894796 | Printing unit for a web-fed rotary printing press A printing unit for a web-fed rotary printing press comprises a housing defining a first side wall in which a drive mechanism is mounted and a second side wall in which a locking mechanism is mounted. A blanket cylinder including a plurality of holes exte... | 04/20/1999 |
| 5802975 | Device for manipulating sleeves on cylinders A device for manipulating sleeves, including sleeves serving as printing forms or as rubber blankets as well as screened sleeves, from outside the printing mechanism without removing the paper web which has been drawn in. The device includes a sleeve grip... | 09/08/1998 |
| 5784961 | Method and apparatus for mounting a printing sleeve onto a printing roll A printing sleeve for a rotogravure or flexo printing roll is provided that as a slightly conical or tapered geometry wherein the inner diameter at one end is slightly smaller than the inner diameter at a second end. Similarly, the printing roll is provide... | 07/28/1998 |
| 5752444 | Seamless printing sleeve and method of manufacture thereof The invention relates to a printing sleeve and a method for producing a sless printing sleeve particularly for a flexo printing cylinder with the printing sleeve being slidable onto a core roll when flexibly expanded by means of a pressurized air cushion... | 05/19/1998 |
| 5675893 | Method for fastening an engaging member to a cylinder A method for forming a cylindrical structure by fastening an engaging member to an open end of a cylinder, including the steps of preparing an inner surface at the open end of the cylinder to provide the cylinder with a reduced thickness, providing an eng... | 10/14/1997 |
| 5551176 | Roll cover for flat work ironer An improved roll cover for use on a flat work ironer is provided, having an improved resin coating. The roll cover is a sheet of thermally resistant fabric which is coated or impregnated with a mixture of an acrylic resin and a stiffening agent. The impro... | 09/03/1996 |
| 5497549 | Process for the production of winding core rolls A process for the production of core rolls for the winding of sheet maters, and particularly of photographic base papers, includes a deformable rubber tube which is inserted into a mounting tube and inflated therein through a core casing. The core casing... | 03/12/1996 |
| 5488903 | Register device for a sleeve-shaped offset printing form For the register of a sleeve-shaped offset priming form in which the beginning and end of the plate-shaped blank of the printing form are connected by a weld seam, a guide element in the form of a projection is provided for the sleeve at the inside of the... | 02/06/1996 |
| 5456946 | Method for the coatings of the center roll in the press of a paper machine and a center roll in the press of a paper machine The invention relates to a method for coating a center roll used in a press of a paper machine and a center roll in the paper machine. The center roll in the paper machine is made of a ceramic or metal-ceramic basic material. At least one portion of the c... | 10/10/1995 |
| 5406705 | Method of producing an embossing cylinder A method of producing an embossing cylinder having a predetermined embossed pattern thereon by applying a screen having a pattern inscribed therein to the surface of the cylinder, applying a hardenable material over the screen and pressing the hardenable ... | 04/18/1995 |
| 5393959 | Induction heating roller apparatus An induction heating winding structure 5 is installed inside a hollow roller 1, which is closed at its opposite ends by flanges 2A, 2B. Driving shafts 4A, 4B integral with the flanges having coaxial holes are rotatably supported. The induction heating win... | 02/28/1995 |
| 5379693 | Welded tubular printing plate, and the method of making A circumferentially continuous printing plate, which has the advantage over clamp plates that a clamping arrangement and groove in a plate cylinder can be eliminated, is formed by rolling a flat printing plate into tubular or sleeve form and welding the e... | 01/10/1995 |
| 5351615 | Offset blanket for a grooveless blanket cylinder composed of a carrier plate and a rubber layer placed thereon An offset blanket for a grooveless blanket cylinder for applying a printed image onto web material or sheet material is composed of a carrier plate which has been cut to size and a rubber layer placed on the carrier plate. The beginning and the end of the... | 10/04/1994 |
| 5205039 | Method for registering multiple printing plates A method for aligning multiple printing plates on a single piece of printing plate stock, whereby all plates register to one another and one or more printing press cylinders. The method includes the steps of (1) punching image and cylinder registration in... | 04/27/1993 |
| 5142784 | Method for making a roller assembly for grain shellers A method for making a roller sleeve assembly comprising providing a metal sleeve, fixing locking lugs to an interior surface of the metal sleeve, the locking lugs extending radially inwardly of the sleeve, and bonding a flexible sleeve to the exterior of ... | 09/01/1992 |
| 5140750 | Spiral shrink sleeve An open ended, flat spiral belt is joined at its ends on a roll to form an endless cover. A spiral belt is fitted with a zipper assist in the seam area to facilitate the joining of the spiral belt on the roll. One part of the zipper assist is removably at... | 08/25/1992 |
