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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7704351 | Processing device and method of operating the device for processing a coated or uncoated fibrous web A processing device and method applying the same for processing a coated or uncoated fibrous web is provided. The device comprises a belt configured to extend around a guiding element, at least one counter-element being disposed outside said belt to provide a contac... | 04/27/2010 |
| 7662262 | Supercalendering optimization using a steam shower There is described a method and apparatus for applying steam from a steam source to a moving web to thereby improve the smoothness and gloss of the web. A housing has at least one cooling chamber upstream and at least one steam chamber downstream. The cooling air in... | 02/16/2010 |
| 7655114 | Method and device for calendering a paper web The present invention shows a process and device of calendering a web. The process includes drying the web and winding the web at the end of a production section. The process includes transporting the wound web to at least one off-line calender, unwinding the web an... | 02/02/2010 |
| 7438784 | Method and apparatus for calendering a paper or paperboard web A method and a device for calendering a paper or paperboard web, in which the web is led first into a calendering step and then into a reeling step. At least one edge area of the web is calendered separately in the reeling step. ... | 10/21/2008 |
| 7422659 | Method and apparatus for treating a web of paper or board A method and an arrangement for treating a web (2) of paper or board is described, in which a functional coating (5) is applied to the web (2) and the web (2) is then calendered. It is wished to obtain a web provided with a functio... | 09/09/2008 |
| 7383641 | TAD edge resist fabrics for paper web drying A through air dryer (TAD) fabric having a composite configuration whereby side fabric portions made of a more resistant material are woven to the main body portion of the fabric. Side fabric portions that are not protected from the paper web, and therefore exposed t... | 06/10/2008 |
| 7357847 | Device for drying a paper web A device for drying a paper web includes a structured fabric for carrying the paper web rests during the drying process. A single roll unit includes a suction roll for dewatering the paper web and a press roll for securing the paper web to the structured fabric. The... | 04/15/2008 |
| 7320744 | Moistening arrangement of multiple-nip calender A multiple-nip calender has a set of rolls (2) with roll nips (N) between the rolls. A moistening arrangement has a roll means (3) for moistening the fibre web comprising a damping unit (33) and rolls (32) guiding the fibre web (W). The r... | 01/22/2008 |
| 7300552 | Method for maximizing water removal in a press nip The present invention is a method for maximizing water removal from an absorbent web in a press nip. The present invention uses a pressing unit having a blanket with a void volume and with a pressure profile that maximizes water removal in the press section or on th... | 11/27/2007 |
| 7291249 | Apparatus for the manufacture of a structured fiber web An apparatus for the manufacture of a structured fiber web including an imprinting fabric, a first pressure field device, a second pressure field device and a drying cylinder. The fiber web is formed and carried on the imprinting fabric with an initial dry content o... | 11/06/2007 |
| 7285185 | Wet paper web transfer belt A wet paper web transfer belt comprises a base body, a wet paper web side layer, and a machine side layer. The wet paper web side layer is formed of a high molecular weight elastic section, and fibers and filler particles are exposed at its surface. The fibers and f... | 10/23/2007 |
| 7189309 | Water draining device Water draining device for a paper machine or the like, in particular for a felted press of such a paper machine, including a receiving tank extending at least essentially over the machine width. The receiving tank includes a first chamber that receives arriving wate... | 03/13/2007 |
| 7186317 | Method for producing soft bulky tissue A process for producing tissue webs is disclosed. The process includes the step of partially dewatering a tissue web and then subjecting the web to multiple deflections against fabrics prior to drying the tissue web. For instance, in one embodiment, the tissue web i... | 03/06/2007 |
| 7179349 | Method and device for passing a web in connection with a finishing device of a paper or board machine A web (W) is passed from a preceding treatment stage to a finishing device in which the web (W) is finished in the finishing device and from which finishing device the web (W) is passed further to a subsequent treatment stage. The web (W) is brought to a roll (11... | 02/20/2007 |
| 7172680 | Shoe roll For profiling a fiber web (W) a shoe roll (10) defines a roll nip (4) with an opposite counter-roll (3). The shoe roll (10) has a static roll frame (5), a shoe element (2) located at the roll nip (4) and an endless be... | 02/06/2007 |
| 7169265 | Method for manufacturing resin-impregnated endless belt and a belt for papermaking machines and similar industrial applications A method for manufacturing resin-impregnated endless belt structures and belt structures designed for use on a long nip press on a papermaking machine and for other papermaking and paper processing applications, requires the application of a sacrificial material ont... | 01/30/2007 |
| 7169260 | Precalendering method, finishing method and apparatus for implementing the methods A paper or paperboard web (W) is precalendered. A web that has undergone earlier dewatering stages is calendered to attain a suitable surface for the coating process. The web is calendered (C) one-sidedly in such a manner that the absorption level of the second side... | 01/30/2007 |
| 7169259 | Shortened layout from dryer to reel in tissue machine A dry end of a tissue machine is made shorter by close-coupling a reel-up to the drying section and supporting the web from the drying section to the reel-up by a foil or a belt such that web stability is maintained, thus allowing high-speed operation. The foil's do... | 01/30/2007 |
| 7166196 | Method for manufacturing resin-impregnated endless belt structures for papermaking machines and similar industrial applications and belt A method for manufacturing resin-impregnated endless belt structure and belt structure, designed for use on a long nip press on a papermaking machine and for other papermaking and paperprocessing applications, requires the application of a polymeric resin material o... | 01/23/2007 |
| 7144481 | Endless steel band for a belt press Endless steel band for belt presses, especially double belt presses, with a thickness between 2 mm to 4 mm, preferably 2.5 mm to 3.5 mm, which is turned around on drums of the belt press, and whose surface has a maximum medium roughness up to RZ 50.5 μm, in which a... | 12/05/2006 |
| 7144479 | Method for increasing press fabric void volume by laser etching A method whereby a water permeable press fabric is given greater dewatering and drainage capacity by providing voids which are reservoirs of minimum pressure available to accept water. ... | 12/05/2006 |
| 7141142 | Method of making paper using reformable fabrics Papermaking fabrics, particularly those fabrics useful for making tissue and towel products, can be modified to alter their structure, such as surface texture, and re-used to make a different product. The fabrics can be modified after removal from the paper machine ... | 11/28/2006 |
| 7134388 | Calender for a sheet of paper A calender for a sheet of paper comprising a metal roll which is rotated by a first driving unit. The calender further comprises a rotatable cylindrical jacket, a pressurizing shoe, and a plurality of support members. The cylindrical jacket is disposed opposite the ... | 11/14/2006 |
| 7114268 | Drying section and a smoothing apparatus for such a drying section A drying section of a machine for the manufacture of a material web, in particular of a paper or of a board web, comprises a smoothing nip which is extended in the web running direction and is formed between two pressing areas lying opposite one another of which at ... | 10/03/2006 |
| 7112258 | Method and apparatus for making a tissue paper with improved tactile qualities while improving the reel-up process for a high bulk web A dry end section for a paper-making machine for producing a high-bulk tissue is provided. Such a machine comprises a through-air dryer adapted to finally dry a paper web and a through-air drying fabric configured to transport the web through the through-air dryer. ... | 09/26/2006 |
| 7060161 | Method for restraining deformation of nip roll There is provided a method for restraining deformation of a nip roll, in which polygonal deformation of nip rolls that are in contact with each other is restrained, so that vibration produced by the deformation is decreased. The diameter ratio between the fir... | 06/13/2006 |
| 7056421 | Underflow waterbox The specification discloses a waterbox for applying an aqueous mixture, such as a starch mixture, to a web in a calender stack. The waterbox includes a spillway disposed adjacent a calender stack having a bottom plate, substantially parallel front and rear walls, an... | 06/06/2006 |
| 7022208 | Methods for bonding structural elements of paper machine and industrial fabrics to one another and fabrics produced thereby A method of manufacturing and a papermaker's or industrial fabric, which includes the application of a polymeric resin material onto preselected discrete locations on a base substrate in a controlled manner in droplets having an average diameter of 10μ (10 microns)... | 04/04/2006 |
| 7018512 | Roll, in particular, calender roll A paper processing roll for use in a calender of a paper-making machine which during operation can be exposed to increased temperatures is provided with a heat-treated surface which is produced by hot-grinding or hot-balancing or both. ... | 03/28/2006 |
| 7014735 | Method of fabricating a belt and a belt used to make bulk tissue and towel, and nonwoven articles and fabrics A method for manufacturing a belt and a belt for use in the production of bulk tissue and towel, and of nonwoven articles and fabrics, requires the application of a sacrificial material onto a base substrate in a predetermined pattern which is to be imparted onto pr... | 03/21/2006 |
| 7008513 | Method of making a papermaking roll cover and roll cover produced thereby The present invention is a method for making a roll cover and a roll cover, wherein at least one material is applied to the surface of the roll or a base substrate. In a first embodiment, a single material is applied as a flowable phase. A uniform coating of the mat... | 03/07/2006 |
| 7005044 | Method of fabricating a belt and a belt used to make bulk tissue and towel, and nonwoven articles and fabrics In a method for manufacturing a belt and a belt for use in the production of bulk tissue and towel, and of nonwoven articles and fabrics, a polymeric resin material is applied onto the surface of a base substrate in a precise predetermined pattern which is to be imp... | 02/28/2006 |
| 7005043 | Method of fabrication of a dryer fabric and a dryer fabric with backside venting for improved sheet stability A method of manufacturing and a papermaker's or industrial fabric, such as a dryer fabric for the dryer section of a paper machine, includes the application of a polymeric resin material onto preselected locations on the backside of a base substrate using a piezojet... | 02/28/2006 |
| 7005045 | Belt for machines for producing material webs and process of producing the belt A belt for a material web producing machine and a process of producing the belt. The belt includes a plurality of long-chain strength supports arranged to form interstices and a filler at least partially filling the interstices. The process includes forming a sheet ... | 02/28/2006 |
| 7001487 | Method and apparatus for transporting a sheet from a dryer to a reel A system and method for transferring a continuously advancing paper web from a dryer to a reel section is provided. The system includes a first fabric defining a first moving conveyor. The first fabric may be a permeable fabric, which is positioned downstream from t... | 02/21/2006 |
| 7001486 | Vacuum device for paper web making apparatus A vacuum device for a paper web making apparatus has a housing having an outer web-facing surface and a vacuum channel extending within the housing and having an opening at the web-facing surface. A vacuum source is in fluid communication with the vacuum channel and... | 02/21/2006 |
| 6998018 | Method and apparatus for making a creped tissue with improved tactile qualities while improving handling of the web A creped tissue paper is made by creping a tissue paper from a drying cylinder with a creping doctor, receiving the creped web on a carrying fabric, carrying the creped web on the carrying fabric through a compression nip that compresses the web to substantially red... | 02/14/2006 |
| 6998022 | Paper machine and press section thereof A soft crepe paper machine comprises a wet section with a press section having a press defined by first and second press elements forming a press nip through which a press felt runs with a paper web. A suction roll is arranged in the loop of the press felt before th... | 02/14/2006 |
| 6989080 | Nonwoven neutral line dryer fabric A nonwoven papermaker's fabric, usable in the dryer section of a paper machine, has a spiral wound machine direction (MD) base layer of raw stock which is wound around a pair of parallel rolls or cylinders until the desired length and width is achieved. The spiral w... | 01/24/2006 |
| 6926805 | Method for pressing paper web and a calender or a press device with a movable shoe element The press device for a paper web, such as a calendar, contains a flexible moving element (1a) forming an endless structure, said element forming the shell (1) of a roll, the press device including further a counter roll. Inside the moving elemen... | 08/09/2005 |
