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| Number | Title | Issue Date |
| 7024990 | Calender and an arrangement for fastening rolls of a calender A calender and an arrangement for mounting calender rolls, the calender comprising at least two calender nips (1, 2) formed by at least two stacked rolls (11–14). The rolls are have bearing housings (3–6) by means of which the rolls (11â€... | 04/11/2006 |
| 6971308 | Printing device for printing machines of various kind Printing device for printing machines of various kind, which is made in such a way that to permit to print paper pages and sheets of any size, with a number of copies larger than those attainable with the current printing machines and with high printing accuracies. ... | 12/06/2005 |
| 6854385 | Elastic roll for smoothing paper webs Roll for smoothing paper webs including a hard roll core and an elastic covering layer provided on an outside of the core. The elastic covering includes an elastic matrix material, and is structured to operate within a temperature range between approximately 25° C.... | 02/15/2005 |
| 6468461 | Process for forming sheet products In a process and apparatus for producing long plastic sheets by pressing molten plastic materials between the forming roller and the forming drum unit, the forming drum unit including a thin cylindrical sleeve supported from inside by a drum support unit ... | 10/22/2002 |
| 6437301 | Induction heating roller apparatus In an induction heating roller apparatus of the present invention, Rolling bearings 10 and a sliding bearings 14 are provided between drive shafts 2 of a roller body 1 and a support rod 9. When a trouble occurs in the rolling bearings 10, a rotational tor... | 08/20/2002 |
| 6405779 | Holographic embossing apparatus Hot stamping apparatus and embossing apparatus for the production of holographic images on a substrate web, each apparatus comprising a heated roll and an anvil each having trunnions at its end journalled for rotation in bearings in a frame with a cooling... | 06/18/2002 |
| 6325960 | Calender for fibrous material webs and method of operating same Calender for a fibrous material web and method of operating a calender for a fibrous material web. The calender includes a first roll stack and a second roll stack each arranged in a common plane on a stanchion, each roll stack having a top deflection adj... | 12/04/2001 |
| 6322732 | Method for finishing pre-printed paper from multiple webs Reformation techniques and apparatus. Typically employed to permit separate printing and finishing of multiple webs of paper, these techniques and apparatus utilize or provide heat and, in some cases, initial tension, to change dimensions (including repea... | 11/27/2001 |
| 6264792 | Method for producing calendered paper A method and apparatus for producing calendered paper by an on-line manufacturing system comprising at least a paper machine and a multi-nip calender. The method comprises following steps: removing water from a formed paper web by pressing, drying the pre... | 07/24/2001 |
| 6230615 | Calender and process for treatment of paper web Calender for the treatment of a paper web including a roll stack of at least three rolls and with least one double-soft nip. The double-soft nip(s) are formed by two rolls, each with an elastic surface layer. At least one of the rolls forming the double-s... | 05/15/2001 |
| 6209451 | Roll, calender, and process for operating a roll Roll for a paper calender. The roll includes a core having opposed end faces and a barrel intermediate the opposed end faces, the barrel having a barrel region. Also included is an elastic cover extending over a working width of the core and a plurality o... | 04/03/2001 |
| 6059003 | Web heating and pressing apparatus Hot stamping apparatus and embossing apparatus for the production of holographic images on a substrate web, each apparatus comprising a heated roll and an anvil each having trunnions at its ends journalled for rotation in bearings in a frame with a coolin... | 05/09/2000 |
| 6026884 | Laminating device A laminating device for manufacturing a laminated printed circuit board comprising a frame that supports sets of heated rollers along the path of movement of said laminated circuit boards while they are being manufactured. Each of said sets of rollers inc... | 02/22/2000 |
| 5979305 | Method and apparatus for controlling deflection of a roll A method and apparatus for controlling a deflection roll for compressing a web of material includes a shaft and a hollow roll disposed around the shaft. The hollow roll includes a working surface where the hollow roll is engageable with a hard roll along ... | 11/09/1999 |
| 5941170 | Preconditioning receivers using ceramic heating rollers Apparatus for drying receiver sheets prior to such receiver sheets receiving electrophotographic images, including at least one set of preconditioning rotatable rollers with each preconditioning rotatable roller in the set touching an opposing preconditio... | 08/24/1999 |
| 5935379 | Heat-sealing wheels for forming a longitudinal weld or seal in seams of plastic films A heat seal wheel for use with a heat sealing apparatus associated with a continuous packaging machine, for forming a longitudinal seal in a flat sheet of flexible film. The heat seal wheel is characterized by a planar heater comprising a laminar resistiv... | 08/10/1999 |
| 5932069 | Paper machine roll with heated ends in a soft calender or supercalender and method for calendering a web A paper machine roll, in particular for a soft calender or supercalender, which includes a metal frame, roll ends, and shafts. The frame is coated with a polymer coating over at least a middle area or central region thereof while lateral regions may optio... | 08/03/1999 |
| 5784955 | Calender in a paper-making or a coating machine A calender has at least four rollers that are located one above the other. The rollers rotate about roller bearings. The calender is located within a paper-making machine. Each of the rollers is rotatably driven by an independent driving mechanism. At lea... | 07/28/1998 |
| 5782177 | Electromagnetic roller arrangement A roller arrangement has a magnetic circuit that includes two rollers. The magnetic circuit consists of a cylindrical magnetic core, several poles axially distributed on the magnetic core, a cylindrical exciter and control windings arranged between these ... | 07/21/1998 |
| 5775211 | Roller driving process and apparatus A roller has a rotary hollow cylinder through which extends a non-rotary crosshead. The hollow cylinder is supported on the crosshead by two opposite rows of hydrostatic supporting elements. When the roller is operated at particularly low linear pressures... | 07/07/1998 |
| 5673616 | Apparatus for influencing the thickness and gloss and/or smoothness in the treatment of fiber material webs Apparatus for treatment of a fiber material web with a press gap formed by rolls, wherein at least one of the rolls comprises an adjustable deflection roll with a flexible roll jacket supported in the pressing force plane on a plurality of support element... | 10/07/1997 |
| 5655444 | Calender for webs of paper A calender for webs of paper includes a hard roller having a smooth outer surface. A soft roller is disposed adjacent to the hard roller and forms a roll gap therebetween. The soft roller has a coating made of flexible plastic. The coating includes an inn... | 08/12/1997 |
| 5609098 | Paper calendering apparatus A paper calendering apparatus comprises a nip section for advancing paper sheets formed by at least a pair of rollers, one of which is a metal roller and the other of which is a resilient roller or a metal roller, wherein a gap of equal spacing is formed ... | 03/11/1997 |
| 5562790 | Apparatus and method for rotary bonding An apparatus and method for bonding at least two continuously moving substrate webs together is disclosed. The apparatus comprises a rotatable bonding roll which is located adjacent the substrate webs and configured to rotate about a bonding axis. A rotat... | 10/08/1996 |
| 5553729 | Induction heating roller apparatus An induction heating roller apparatus comprises a rotatable hollow cylindrical roller body made of magnetic material, a pair of end frames for closing the opposite opening ends of the roller body, having roller driving shafts in outer sleeve form, magneti... | 09/10/1996 |
| 5533443 | Method for influencing the thickness and gloss and/or smoothness in the treatment of fiber material webs A method which influences the thickness and gloss and/or smoothness in the treatment of fiber material webs in at least one press gap formed by rolls, wherein at least one adjustable deflection roll is used and a plurality of correction sections is provid... | 07/09/1996 |
| 5527422 | Machine for continuous manufacture of chipboards, fibreboards or similar products A machine for the manufacture of chipboards or fibreboards comprises a pressure drum (1) and an endless steel belt (2) which wraps the pressure drum (1) around part of its periphery and forms there a compacting line (P) in which is for a sufficiently long... | 06/18/1996 |
| 5524532 | Method and apparatus for calendering a paper or board web In the inventive method and apparatus for calendering a surface of a paper or board web, a temperature difference is created between the web surfaces so that the surface to be calendered is cooler than the opposite surface. In addition, moisture within th... | 06/11/1996 |
| 5520772 | Laminating machine with two-stage heating A laminating machine for laminating layers of plastic film about an insert has cold feed rollers, a preheater and heated expeller rollers. The workpiece to be laminated is fed to the preheater by the feed rollers and is heated to a temperature just below ... | 05/28/1996 |
| 5483873 | Method in calendering of a paper web and a calendar that makes use of the method A paper web is passed through a calendering nip that is formed between a roll which has been provided with a soft face and a heatable hard roll. The heatable roll is heated so as to plasticize the surface layer of the paper web that is placed at the side ... | 01/16/1996 |
| 5476568 | Pre-proof temperature controlling assembly The present invention relates to a pre-proof temperature controlling assembly associated with an off-press apparatus for laminating an image sheet to an image receiving substrate and, more particularly, for laminating a plurality of image sheets to the re... | 12/19/1995 |
| 5469784 | Calender assembly including an additional roll displaced into the path of the web of material In a calender assembly for treating a web of material (1) in a nip (4) formed by a pair of press rolls (2, 3), at least one roll (3) is heated. In front of and/or behind the nip (4) there is at least one additional roll (8, 9, 14) which can be displaced i... | 11/28/1995 |
| 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 |
| 5386769 | Adjustable press roller using silicone elastomer as pressure medium A mechanism for regulating the external surface of an elastically deformable metal shell includes a temperature control for controlling roll sections and thus pressure controlling for controlling bending of a roller. The assembly provides a press roller w... | 02/07/1995 |
| 5275684 | Transfer unit for printing systems A printing system transfer unit includes features which permit it to be coupled to the output sections of a variety of commercially available printing and copying machine. The system transfers thin foils onto printed indicia. The transfer unit has its own... | 01/04/1994 |
| 5137678 | Method for calendering a paper or cardboard web coated at both sides To achieve desired treatment results at both sides of a material web to be calendered, the material web is initially guided through a first nip formed between yieldable elastic surfaces confronting the throughpassing material web. In the first nip there i... | 08/11/1992 |
| 5101087 | High-temperature rollers utilizing fluidized bed A mill roll having a pair of ceramic, hollow rollers with the chambers defined in each filled with a plurality of particles with spaces defined therebetween including means to enter fuel therein to be burned to heat the rollers to incandescent temperature... | 03/31/1992 |
| 5079817 | Apparatus for controlling the heating and cooling of a roll A hydraulically supported roll includes a stationary crosshead extending through a rotatable hollow roll, which is heated at its inner and outer circumferences. A thermostatic control and regulating device is provided to keep the temperatures at the inner... | 01/14/1992 |
| 5076891 | Heated roller and method for its operation The present invention is directed to a heated sag-compensation roller, with short heat-up and cool-down times and a more even temperature distribution, which reduces the risk of damage to the roller shell. These improvement are achieved by the roller shel... | 12/31/1991 |
| 5071513 | Method for the mechanical-thermal dewatering of a fiber stock web At least two substantially parallel rows of adjustable pressure elements cooperate with a heatable counter element like a counter roll and are arranged immediately consecutive but separate from each other to define at least two pressing sections of an ext... | 12/10/1991 |
