| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 181 | Register device for a sleeve-shaped offset printing form | US242174 | 1994-05-13 | US5488903A | 1996-02-06 | Ingo Kobler; Anton Stadlmair; Helmut Stuhlmiller; Alfons Grieser |
| 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 sleeve. A form cylinder which can be used in combination with the sleeve has a groove extending along its entire width, which groove has a depth that is greater than the height of the projection. The projection can be inserted completely into the groove so that the sleeve can be secured on the form cylinder in the circumferential direction. | ||||||
| 182 | Device for fastening and changing the position of a cylinder dressing | US089012 | 1993-07-08 | US5337666A | 1994-08-16 | Willi Becker |
| Device for fastening and changing the position of a cylinder dressing on a printing-unit cylinder formed with an axially parallel gap in a rotary printing press includes, within the gap, tensioning spindles connectible with respective leading and trailing edges of a cylinder dressing disposed on the outer cylindrical surface of the printing-unit cylinder for applying tension to the cylinder dressing, the tensioning spindles being formed with toothing, respective shafts formed with toothing meshing with the toothing on the respective tensioning spindles, a device operatively connected to at least one of the tensioning spindles for adjusting the position of the cylinder dressing on the printing-unit cylinder, an actuating drive mounted on an end face of the printing-unit cylinder and operatively connected with the tensioning spindles for moving the spindles so that the cylinder dressing is both subjected to tension in circumferential direction of the printing-unit cylinder simultaneously at the leading and trailing edges thereof and also adjustable in position on the printing-unit cylinder in a defined manner by the adjusting device. | ||||||
| 183 | Device for the identification of a flexible roller shell | US922196 | 1992-07-30 | US5323704A | 1994-06-28 | Stephen P. Fraczek |
| A device for the identification of a roller shell includes a microchip incorporated into a flexible material roller shell for printing presses. A scanning device excites the microchip for emitting signals permitting a definite identification of the microchip and of the roller shell. | ||||||
| 184 | Gapless tubular printing blanket | US911771 | 1992-07-10 | US5323702A | 1994-06-28 | James B. Vrotacoe; Glenn A. Guaraldi; James R. Carlson; Gregory T. Squires |
| A tubular printing blanket for a blanket cylinder in an offset printing press comprises a cylindrical sleeve, a compressible layer over the sleeve, and an inextensible layer over the compressible layer. The cylindrical sleeve is movable telescopically over a blanket cylinder. The compressible layer comprises a first seamless tubular body of elastomeric material containing compressible microspheres. The inextensible layer comprises a second seamless tubular body of elastomeric material containing a tubular sublayer of circumferentially inextensible material. A seamless tubular printing layer over the inextensible layer has a continuous, gapless cylindrical printing surface. Methods of manufacturing the tubular printing blanket are also disclosed. | ||||||
| 185 | Method of making a gapless tubular printing blanket | US10068 | 1993-01-27 | US5304267A | 1994-04-19 | James B. Vrotacoe; Glenn A. Guaraldi; James R. Carlson; Gregory T. Squires |
| A tubular printing blanket for a blanket cylinder in an offset printing press includes a cylindrical sleeve, a compressible layer over the sleeve, and an inextensible layer over the compressible layer. The cylindrical sleeve is movable telescopically over a blanket cylinder. The compressible layer includes a first seamless tubular body of elastomeric material containing compressible microspheres. The inextensible layer includes a second seamless tubular body of elastomeric material containing a tubular sublayer of circumferentially inextensible material. A seamless tubular printing layer over the inextensible layer has a continuous, gapless cylindrical printing surface. Methods of manufacturing the tubular printing blanket are also disclosed. | ||||||
| 186 | Inner blanket securement assembly | US10577 | 1993-01-28 | US5295436A | 1994-03-22 | Hans-Jurgen Kittsteiner; Kurt G. Nagler; Erich G. Wieland |
| An inner blanket securement assembly utilizes spaced inner blanket engaging pins and an inner blanket hold-down device with a hook-shaped holding nose to secure an edge of an inner blanket to a cylinder. The inner blanket is structured using a plurality of inner layers within an outer casing that is closed and bag-shaped adjacent the leading edge of the inner blanket. | ||||||
| 187 | Locking device for a printing press | US947322 | 1992-09-18 | US5271324A | 1993-12-21 | Robert C. Kiamco; C. K. Shah; Louis S. Depa |
| A locking device (12) for a printing press (10) having a cylinder (40) with a slot (46). The device (12) has a slide block (54) slidably received in the slot (46) and being movable inwardly and outwardly in the slot (46). A blanket (68) extends peripherally around the cylinder (40) and has opposed ends secured between the slide block (54) and cylinder (40) with the slide block (40) located at an inner position in the slot (46). | ||||||
| 188 | Cylinder blanket fastening assembly | US897817 | 1992-06-12 | US5218906A | 1993-06-15 | Willi R. L. Doersam |
| A cylinder blanket fastening assembly utilizes a resilient clamping bar that is secured to a channel edge of a cylinder and generally adjacent a tensioning shaft carried in a channel in the cylinder. A leading edge of an inner blanket is positionable between a clamping edge of the clamping bar and the channel edge. The clamping bar is moved into clamping position by rotation of the tensioning shaft. | ||||||
| 189 | Print unit cylinder for rotary presses | US666398 | 1991-03-08 | US5178068A | 1993-01-12 | Rudi Junghans; Werner Weber |
| The invention relates to a print unit cylinder for rotary presses, the cylinder having a narrow non-printing gap for accommodating the rubber blanket or pressplate ends, the gap running parallel to the axis of the cylinder, and also an elastomeric filler element for bridging the non-printing gap opening to thus prevent a sudden change of the roll characteristic when two interacting cylinders roll over the cylinder gaps. | ||||||
| 190 | Printing unit cylinder for a rotary printing machine | US621665 | 1990-12-03 | US5090319A | 1992-02-25 | Werner Weber; Markus Gerstenberger |
| The invention relates to a printing unit cylinder for a rotary printing machine comprising a gap strip arranged in a cylinder gap of said printing unit cylinder, said gap strip being supported on the bottom of said cylinder gap, being removably fastened via a fastening means and being of resilient design in order to achieve a reliable vibration absorption in the area of the cylinder gaps. | ||||||
| 191 | Net cartridge assembly for use with transfer and delivery cylinders in rotary printing presses | US452839 | 1989-12-19 | US5046421A | 1991-09-10 | Howard W. DeMoore |
| A cartridge assembly for providing a source of anti-smear fabric net material to be used to cover the support surface of a transfer or delivery cylinder in a printing press, the assembly comprising an axle assembly mounted to brackets attached to the cylinder and having a replaceable cartridge roll wound with a continuous supply of fabric net material supported thereon. Structure is provided for releasably locking the axle assembly against removal from the brackets, and for releasably locking the axle assembly against rotation relative to the brackets. | ||||||
| 192 | Sheet transfer mechanism for printing press | US191322 | 1988-05-09 | US4967661A | 1990-11-06 | Eduardo Duarte |
| A sheet transfer mechanism comprising a gripper bar which engages the leading edge of a freshly printed sheet to move the sheet along a curved path and a sheet guide member having a guide surface formed thereon which has a radius of curvature significantly less than the radius of curvature of the curved path to guide the sheet along the path while the printed surface of the sheet is separated from the guide surface by an air cushion. At least a portion of the guide surface on the guide member is rough to carry a boundary layer of air. The guide surface is positioned relative to a vane to form an air chamber having an air dispensing passage such that rotation of the guide member forces air thorough the chamber and through the dispensing passage in a direction generally perpendicular to the guide surface to assure that the freshly printed surface on the sheet does not contract the trailing edge of the guide surface. Orifices through the guide surface communicate with the air chamber to deliver streams of air through the guide surface. | ||||||
| 193 | Method and apparatus for printing with a lithographic sleeve | US293589 | 1989-01-03 | US4913048A | 1990-04-03 | Udo Tittgemeyer |
| A printing method and apparatus which use a sleeve-shaped printing form attached to a rotating body. The sleeve-shaped form conveniently permits the printing operation to be performed continuously and on both sides of the print carrier simultaneously. The sleeves preferably exhibit a number of process-specific functional layers. Exemplary layers are: (1) a supporting metal sleeve, (2) an intermediate metal layer for carrying the ink, and (3) a surface metal layer for carrying the water. Copper is an exemplary intermediate layer, and chromium is used as the surface metal layer. | ||||||
| 194 | Holding and tensioning system for a cover layer on a printing machine cylinder | US162063 | 1988-02-29 | US4833986A | 1989-05-30 | Ingo Kobler |
| To permit uniformly tensioning a holding strip (11) in which end portions (22, 23) of a cover layer such as a rubber blanket (24) can be inserted, the strip (11) is coupled to a plurality of rods (9) extending radially inwardly, and uniformly distributed over the axial length of the strip (11), the rods (9) being coupled to respective pistons (5) slidable in cylinder bores (4) worked in the bottom of the groove (2). Hydraulic or pneumatic pressure can be applied to one face of the piston, the opposite face of the piston being loaded by a spring (17). Thus, since the pressure being applied to all the pistons will be uniform, tensioning pressure (FIG. 2) will be uniform, or raising pressure (FIG. 3) will be uniform. Rather than using fluid pressure, other non-mechanical energy, such as electrical energy, can be used to raise the strip (11) by electromagnetic coupling of solenoids to the rods (9). | ||||||
| 195 | Clamping device for optionally securing a blanket or a printing plate | US903689 | 1986-09-04 | US4813356A | 1989-03-21 | Paul Abendroth; Herbert Rebel; Manfred Herold |
| A clamping device of a plate cylinder for recessed in-line varnishing in a rotary press which comprises two axis-parallel clamp bars having a top part and a bottom part, which are circumferentially adjustable in a parallel or an inclined relationship to one another in guides by means of clamp screws bearing against the plate cylinder, and which are axially adjustable by means of axial setscrews, and having a groove extending over the entire length of the clamp bars in the bottom part which provides for the insertion and fixing of reinforced bent ends of the blanket, and the top part is pivotally and slidably connected to the bottom part by locking devices and recesses for the clamping screws, and additional centering means are provided for at least two of the clamping screws. | ||||||
| 196 | Printing sleeve | US752957 | 1985-07-08 | US4601928A | 1986-07-22 | Hendricus J. van der Velden |
| The invention concerns a printing sleeve made from a cylindrical supporting surface 4 upon which a knitted fabric 2" is applied as a gas-permeable means, providing a sheet of a thermoplastic elastomeric compositions thereupon, and applying a pressure difference and heat so as to press the sheet upon the surface and to obtain a fusion of the sheet with the fabric. | ||||||
| 197 | Electrostatic-charge-and chemical-attack-resistant printing cylinder construction | US677186 | 1984-12-03 | US4599943A | 1986-07-15 | Ingo Kobler |
| To draw off electrostatic charges which build up on rubber blanket cylinders having a coating of insulating or semiconductive material thereon, the pad or underlay (4) beneath the rubber blanket (5) has an electrically conductive layer (6), for example by sprayed-on aluminum, applied thereon. The end portion (B) of the pad is drawn into the groove (2) of the cylinder (C) in a region which does not have an insulating coating (3) thereon, so that the electrically conductive layer (6) is electrically connected with the cylinder (C) in the region (A) of the cylinder groove. The cylinder, typically of steel, is connected to ground or chassis through its holding structure, frame and gearing. | ||||||
| 198 | Circumferentially continuous cylinder for a rotary printing machine | US630078 | 1984-07-12 | US4510868A | 1985-04-16 | Hermann Fischer |
| To support a cover wrapped about the printing cylinder and prevent oscillations and resonance phenomena from arising when an attachment groove (2, 23) passes along an adjacent cylinder, a filler strip (8) is located within the groove to close off the groove. The filler strip has circumferentially extending fingers (14) which are supported on circumferentially extending fingers (15) projecting circumferentially from within the groove. The filler strip is axially shiftable along the fingers so that the gap between the support fingers (15) can be used to drop the comb fingers (14) on the filler strip radially inwardly, thus retracting the filler strip. The filler strip is preferably retracted by a retracting mechanism such as a slotted guide tube (11) engaging a lifting strip (10) projecting circumferentially from the filler strip. Axial shifting of the filler strip to place the comb fingers of the filler strip above the support fingers (15) projecting from the groove, after raising of the filler strip, to be flush with the cirmcumference of the cylinder is effected by an eccentered positioning drive located, for example, at an end face of the cylinder. The arrangement permits use of rubber blankets which have end portions fitting in a tiny gap between the filler strip and the groove, with the rubber blankets having ends fitting precisely against each other, thus providing an essentially continuous surface to an engaging cylinder. | ||||||
| 199 | Blanket tensioning system in press | US336510 | 1982-01-04 | US4408531A | 1983-10-11 | Yuichi Okamura; Akitoshi Komatsu |
| A groove having parallel walls is formed in the longitudinal direction of a blanket cylinder.A pair of retainers are attached to and along both ends of a blanket. The opposing end surfaces of the pair of retainers have alternating convexities and concavities arranged to permit the opposing surfaces to slide up and down relatively to each other. The total width of the pair of retainers with the convexities and concavities mating with each other coincides with the width of the groove. The pair of retainers are guided by the walls of the groove such that each retainer can be moved up and down along the associated wall independently of each other as a plurality of tensioning bolts are tightened or loosened.Whereby, the tension can be applied only to the portion of the blanket which tends to be slack, in response to the change of the slacking portion due to the change of direction of rotation of the blanket cylinder, while applying no tension to the portion of the blanket irrespective of the direction of rotation to the portion of the blanket which is in close and good contact with the blanket cylinder to preserve the good contacting condition. | ||||||
| 200 | Method and apparatus for handling printed sheet material | US242715 | 1981-03-11 | US4402267A | 1983-09-06 | Howard W. DeMoore |
| A skeleton wheel or cylinder for supporting freshly printed sheet material between printing stations or at the delivery station of a printing press is provided with a loosely retained ink repellent fabric covering for supporting and conveying the sheet material without transfer of wet ink from one sheet to a successive sheet and without smearing the ink or indenting the surface of the sheet material. The circumferential surface of the skeleton cylinder is provided with a coating of a fluorocarbon plastic having a fabric base portion bonded to the surface of the cylinder structure. The low friction properties of the coating permit ease of shuffling movement of the fabric covering and the coating structure provides a cushioning effect to prevent smearing or indenting the sheet material by the fabric cover. The improved cylinder is provided with a plurality of retaining plates slidably fitted in axially spaced hub portions of the cylinder which plates are each locked in place by a set screw. The rim portion of the cylinder includes opposed parallel flanges on which the opposite ends of the fabric covering may be removably retained. | ||||||
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