Dimension Patents (Class 162/130)
  • Patent number: 10041209
    Abstract: A system for treating cellulosic fibers to improve paper, board and tissue quality; the system involves splitting fibers into an original portion having original fibers and a refinable portion. The refinable portion may further be fractionated by one or more fibers properties by a fiber fractionation system into a first fraction and a second fraction. The refinable portion as a whole, or a fractionated fraction thereof, is then refined to produce refined fibers. Varying amounts of the original unrefined fibers, refined fibers and possibly additionally fractionated unrefined fibers are blended together to form an optimized slurry that is processed by a paper machine into an optimized paper product. A master control system, fiber measurement system and optional fractionation maintenance system are integrated with the overall system to regulate all processing.
    Type: Grant
    Filed: August 20, 2016
    Date of Patent: August 7, 2018
    Assignee: Pulmac Systems International, Inc.
    Inventors: Joffrey Dard Cowan, Wavell Frederick Cowan, Robert Joseph White
  • Publication number: 20140238630
    Abstract: Polysaccharides and/or hydroxyl polymers, more particularly, structures, especially fibers, comprising a polysaccharide and/or hydroxyl polymer and an association agent, fibrous structures comprising such structures and processes for making such structures and/or fibrous structures are provided.
    Type: Application
    Filed: May 6, 2014
    Publication date: August 28, 2014
    Applicant: The Procter & Gamble Company
    Inventors: Larry Neil MACKEY, Gregory Charles GORDON, Stephen Wayne HEINZMAN
  • Patent number: 8668808
    Abstract: A flushable moist wipe or hygiene tissue including a hydraulically entangled nonwoven material impregnated with a wetting composition. The nonwoven material contains at least 70%, by fiber weight, pulp fibers and the rest manmade fibers and/or natural fibers with a length of at least 6 mm. The moist wipe or hygiene tissue has a length in the machine direction which exceeds the width in the cross-machine direction with at least 25%. The moist wipe or hygiene tissue has a wet strength in machine direction which is at least 3 times higher than the wet strength in cross-machine direction, wherein the wet strength in cross-machine direction is between 50 and 200 N/m.
    Type: Grant
    Filed: October 16, 2009
    Date of Patent: March 11, 2014
    Assignee: SCA Hygiene Products AB
    Inventor: Mikael Strandqvist
  • Patent number: 8328986
    Abstract: A disclosed laminated sheet to be wound around an outer surface of an exhaust gas processing unit includes a first mat containing first inorganic fibers and a second mat containing second inorganic fibers, the second mat being laminated on the first mat. The average fiber length of the first inorganic fibers is larger than the average fiber length of the second inorganic fibers and the laminated sheet is to be wound around the exhaust gas processing unit such that the first mat forms an outermost layer. Development of cracks in the outer surface of the laminated sheet can be prevented by winding the laminated sheet around an exhaust gas processing unit such that the first mat faces outward.
    Type: Grant
    Filed: October 20, 2009
    Date of Patent: December 11, 2012
    Assignee: Ibiden Co., Ltd.
    Inventor: Satoru Kariya
  • Publication number: 20120267063
    Abstract: A structuring layer of a structuring belt for structuring a wet fibrous web in a press section of a tissue papermaking machine for manufacturing high bulk tissue paper, the structuring layer having a web-carrying side with a surface for cooperating with the fibrous web, the surface having depressions distributed over the web-carrying side and forming a three-dimensional structure of the surface. The depressions altogether constitute 20-80% of the surface. Each depression has a dimension l of 0.25-2.5 mm in a first direction in the plane of the top surface area, a dimension b of 0.25-2.0 mm in a second direction in the plane of the top surface area, such directions being at right angles to each other, a mean depth d of 0.05-0.6 mm, and an area a as measured in the plane of the top surface area of 0.063-5.0 mm2.
    Type: Application
    Filed: July 9, 2012
    Publication date: October 25, 2012
    Applicant: Albany International Corp.
    Inventors: Ingvar Berndt Erik KLERELID, Ola Thomasson, Bo-Christer Aberg, Cary P. Johnson, John J. LaFond
  • Patent number: 8048266
    Abstract: A method of manufacturing a multilayer fibrous product. The product comprises at least two overlapping layers, each of which has a different fiber composition, and in the production of the product, chemical short stock is used at least partly. In the method, short stock is brought to a screening stage where fines, which pass a screen having an average hole size of 0.2-1.5 mm, are separated from it, in order to prepare at least two fiber fractions having different fiber compositions, and the fractions generated are recovered and included in different layers of the same fibrous product. With the invention, it is possible to screen an initial material and form a product which has better properties than a corresponding product, the initial material pulp of which has only been refined.
    Type: Grant
    Filed: September 11, 2007
    Date of Patent: November 1, 2011
    Assignee: M-real Oyj
    Inventors: Seppo Katajamäki, Esa Hassinen, Tom Nickull
  • Patent number: 8029645
    Abstract: Soft and strong fibrous structures and more particularly soft and strong fibrous structures that contains less softwood fibers than known fibrous structures and methods for making such soft and strong fibrous structures are provided.
    Type: Grant
    Filed: January 10, 2011
    Date of Patent: October 4, 2011
    Assignee: The Procter & Gamble Company
    Inventor: Khosrow Parviz Mohammadi
  • Patent number: 7906218
    Abstract: An image supporting medium includes a raw base paper, and a film forming resin disposed on at least one side of the raw base paper, wherein the raw base paper is formed of fibers from between 0.5 and 3.0 mm in weighted average length. Additionally, the image supporting medium includes from between 1 and 40% filler by weight.
    Type: Grant
    Filed: November 30, 2004
    Date of Patent: March 15, 2011
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Christine E. Steichen, Chang S. Park, Xulong Fu, Emilio Adan, Ronald J. Selensky
  • Patent number: 7897011
    Abstract: The invention relates to a high quality paperboard comprising at least two plies, a first ply having good surface properties and strength, and a second ply for providing the paperboard with bulk wherein the second ply comprises hardwood CTMP. This paperboard has an internal strength and a bending resistance that is comparable with conventional high quality paperboard based on softwood CTMP. The invention also relates to products manufactured of the paperboard.
    Type: Grant
    Filed: February 9, 2006
    Date of Patent: March 1, 2011
    Assignee: Stora Enso AB
    Inventors: Frank Peng, Isto Heiskanen, Mika Riikonen
  • Patent number: 7838111
    Abstract: A cellulose pulp particle having the shape of a general prismatoid having two parallel bases, the pulp particle comprising pulp fibers in a wet laid pulp sheet form, one of the bases having an area that is equal to or greater than the area of the other base, the area of the larger base being equal to or less than 35 mm2 and equal to or greater than 8 mm2, the distance between the bases being equal to or greater than 0.9 mm and equal to or less than 5 mm, the particle being treated with a material. In some embodiments the material can be a hydrophilic, hydrophobic or softening chemical or a film.
    Type: Grant
    Filed: January 25, 2007
    Date of Patent: November 23, 2010
    Assignee: Weyerhaeuser NR Company
    Inventors: David E Fish, Hugh West, Linda A Beltz
  • Publication number: 20080121360
    Abstract: A method for manufacturing a layered paper or board web, in which method thick stock (M) delivered to the paper machine is diluted with tail water and the diluted stock (M1) is fractioned in order to produce two different stock fractions (A,B). The first stock fraction (A), with finer material, is conducted into the surface layer or layers of the web, and the second stock fraction (B), containing coarser material, is conducted into the middle layer or layers of the web. Before feeding into a headbox (15), the coarse stock fraction (B) is diluted with water whose consistency is substantially lower than the consistency of the water added into the thick stock (M) before fractionating. When water containing less solids than the normal tail water dilutes the coarse stock fraction, the stock fractions used for different web layers can better maintain their different properties, which improves the result of layering.
    Type: Application
    Filed: September 20, 2004
    Publication date: May 29, 2008
    Inventors: Matti Hietaniemi, Kari Kokkonen
  • Patent number: 7156954
    Abstract: Soft throughdried tissues, which are sufficiently soft to serve as premium bathroom tissues, can be made without the use of a Yankee dryer. The typical Yankee functions of building machine direction and cross-machine direction stretch are replaced by a wet end rush transfer and the throughdrying fabric design, respectively. It is particularly advantageous to form the tissue with chemimechanically treated fibers in at least one layer. The resulting tissues have high bulk (about 6 cubic centimeters per gram or greater) and low stiffness.
    Type: Grant
    Filed: May 7, 2004
    Date of Patent: January 2, 2007
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Theodore Edwin Farrington, Jr., Julia Smith Bahlman, Mark Alan Burazin, Fung-jou Chen, Kristin Ann Goerg, Michael Alan Hermans, Robert John Makolin, Michael John Rekoske
  • Patent number: 7011729
    Abstract: The invention relates to a starch and fiber mixture, and the application of a starch and fiber mixture in paper manufacturing. The starch and fiber mixture is applied to a paper mat, after the paper mat is formed. The starch and fiber mixture may be obtained by the selective filtering of white water from the papermaking process, particularly by use of a pressure screen.
    Type: Grant
    Filed: November 12, 2003
    Date of Patent: March 14, 2006
    Assignee: Corn Products International, Inc.
    Inventors: Philip Strong, Brian Edward Ireland, John Gregory Kinney
  • Patent number: 6964725
    Abstract: The present invention is a tissue product comprising at least one tissue sheet. Each tissue sheet comprises a first side and an opposing second side. At least one tissue sheet comprises selectively treated pulp fiber treated with at least one hydrophobic chemical additive distributed non-uniformly in the z-direction within the tissue sheet. The tissue sheet has a % z-directional hydrophobic chemical additive gradient between the first side of the tissue sheet and the second side of the tissue sheet of about 20% or greater.
    Type: Grant
    Filed: November 6, 2002
    Date of Patent: November 15, 2005
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Thomas Gerard Shannon, James Daniel Lorenz, David Andrew Moline, Troy Michael Runge, Thomas Hampshire Schulz
  • Patent number: 6932886
    Abstract: A fibrous web including a back liner having a higher fines side with a higher fines content, a top liner having a higher fines side with a higher fines content and at least one middle layer having a higher fines side with a higher fines content, and a lower fines side with a lower fines content, at least one middle layer and the top liner being couched together, the back liner having the higher fines side in contact with the lower fines side of at least one middle layer.
    Type: Grant
    Filed: September 5, 2003
    Date of Patent: August 23, 2005
    Assignee: Voith Paper Patent GmbH
    Inventors: Alexander Wassermann, Manfred Feichtiger
  • Patent number: 6849157
    Abstract: Soft throughdried tissues, which are sufficiently soft to serve as premium bathroom tissues, can be made without the use of a Yankee dryer. The typical Yankee functions of building machine direction and cross-machine direction stretch are replaced by a wet end rush transfer and the throughdrying fabric design, respectively. It is particularly advantageous to form the tissue with chemimechanically treated fibers in at least one layer. The resulting tissues have high bulk (about 6 cubic centimeters per gram or greater) and low stiffness.
    Type: Grant
    Filed: May 7, 2004
    Date of Patent: February 1, 2005
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Theodore Edwin Farrington, Jr., Julia Smith Bahlman, Mark Alan Burazin, Fung-jou Chen, Kristin Ann Goerg, Michael Alan Hermans, Robert John Makolin, Michael John Rekoske
  • Patent number: 6841038
    Abstract: A web comprised of lyocell fibers. The web may be a homogeneous blend of fibers with lyocell fibers having a length of less than about 6 mm as a portion of the blend. The web may be a multi layered single ply with lyocell fibers in one or more layers. The web may be composed of multiple plies, with component plies composed of multiple layers. The length and proportion of the lyocell fibers in the respective layers of the component plies may vary intentionally from layer to layer.
    Type: Grant
    Filed: September 23, 2002
    Date of Patent: January 11, 2005
    Assignee: The Procter & Gamble Company
    Inventors: Steven Anthony Horenziak, Ward William Ostendorf
  • Patent number: 6841041
    Abstract: A method for producing a pulp molded article (7) comprising the steps of supplying a pulp slurry into the cavity (1) of a mold (10) composed of a set of splits (3 and 4), the set of splits (3 and 4) being assembled together to form the cavity (1) with a prescribed configuration, to form a pulp deposited body (5), feeding a fluid into the cavity (1) to press the pulp deposited body (5) onto the inner wall of the cavity (1) for dewatering.
    Type: Grant
    Filed: January 2, 2003
    Date of Patent: January 11, 2005
    Assignee: Kao Corporation
    Inventors: Yoshiaki Kumamoto, Kenichi Otani, Shinji Otakura, Tokuo Tsuura, Masataka Ishikawa, Toshiyuki Suga, Akira Nonomura
  • Patent number: 6827818
    Abstract: Soft throughdried tissues, which are sufficiently soft to serve as premium bathroom tissues, can be made without the use of a Yankee dryer. The typical Yankee functions of building machine direction and cross-machine direction stretch are replaced by a wet end rush transfer and the throughdrying fabric design, respectively. It is particularly advantageous to form the tissue with chemimechanically treated fibers in at least one layer. The resulting tissues have high bulk (about 6 cubic centimeters per gram or greater) and low stiffness.
    Type: Grant
    Filed: September 27, 2002
    Date of Patent: December 7, 2004
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Theodore Edwin Farrington, Jr., Julia Smith Bahlman, Mark Alan Burazin, Fung-jou Chen, Kristin Ann Goerg, Michael Alan Hermans, Robert John Makolin, Michael John Rekoske
  • Patent number: 6821387
    Abstract: A tissue product having superior properties of softness, handfeel, and strength is disclosed. The product may show a reduced degree of sloughing, that is, a reduction in the amount of paper particles or flakes that are generated from the product upon the abrasion of the tissue product. In one embodiment, a two furnish process is employed. In some applications, both hardwood fibers and softwood fiber sources may be employed. At least one fiber furnish is fractionated or separated into short and long fiber fractions. The resulting product exhibits reasonably good strength and softness, with reduced sloughing.
    Type: Grant
    Filed: May 23, 2002
    Date of Patent: November 23, 2004
    Assignee: Paper Technology Foundation, Inc.
    Inventor: Sheng-Hsin Hu
  • Patent number: 6808595
    Abstract: A paper product containing hardwood fibers that are treated with certain hydrolytic enzymes, such as endo-glucanases, is provided. Moreover, the paper product includes other types of fibers, such as softwood fibers, that may also be treated with certain hydrolytic enzymes. In addition, other ingredients, such as cross-linking agents, debonders, strength agents, etc., can be applied to further enhance the properties of the paper product. In particular, paper products formed according to the present invention can be strong, soft, and have low lint and slough production.
    Type: Grant
    Filed: October 10, 2000
    Date of Patent: October 26, 2004
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Barbara J. Burns, Daniel S. Westbrook, Timothy M. McFarland, James M. Kaun, Werner F. W. Lonsky, Alberto R. Negri
  • Patent number: 6797114
    Abstract: In the practice of the invention, a multi-ply paper product or tissue having hardwood layers on the outside and on the inside provides reduced amounts of undesirable sloughing. The multi-ply product includes at least two plies, with three layers in each ply. Hardwood layers, such as for example eucalyptus-containing fiber layers, are provided on the outside surfaces of each ply and also on the interface of one or more plies. The resulting paper product may exhibit reduced sloughing, with little or no sacrifice in softness. A product having two, three, four, or more plies is shown.
    Type: Grant
    Filed: May 23, 2002
    Date of Patent: September 28, 2004
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventor: Sheng-hsin Hu
  • Publication number: 20040154763
    Abstract: A method for making a fibrous structure, the method comprising the steps of: providing a mixture of synthetic fibers and short cellulosic fibers onto a forming member so as to form one or more layers including the mixture of synthetic fibers and short cellulosic fibers; providing a plurality of long cellulosic fibers onto the mixture of synthetic fibers and short cellulosic fibers so as to form one or more layers including predominantly long cellulosic fibers; and forming a unitary fibrous structure including the one or more layers including the mixture of synthetic fibers and short cellulosic fibers and one or more layers including predominantly long cellulosic fibers
    Type: Application
    Filed: December 18, 2003
    Publication date: August 12, 2004
    Applicant: The Procter & Gamble Company
    Inventors: Osman Polat, Timothy Jude Lorenz, Dean Phan, Paul Dennis Trokhan
  • Patent number: 6749721
    Abstract: Synthetic co-polymers having moieties capable of forming hydrogen bonds, ionic bonds, or covalent bonds with cellulose fibers and paper modifying moieties capable of modifying a paper sheet are disclosed. These synthetic co-polymers are derived from the reaction of an aldehyde functional polymer and an aldehyde reactive paper modifying agent containing a non-hydroxyl aldehyde reactive functional group.
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: June 15, 2004
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Thomas Gerard Shannon, Mike Thomas Goulet, Dana Stephanie Kass
  • Patent number: 6746569
    Abstract: A nested rolled paper product is shown in which raised and depressed areas are formed in a sheet. The depressed areas may comprise square shapes, rounded shapes or other geometric shapes that are capable of aligning or nesting in registration when the sheet is rolled to form a reduced diameter rolled product. A high loft through air drying fabric is employed to imprint a high caliper pattern into the sheet in such a way as to nest raised portions, resulting in a more compact product having a minimized roll diameter. Grooves or channels in the sheet are capable of aligning as the sheet is rolled. The resulting rolled product may be toilet tissue, paper towels, or other similar paper products. The final rolled product achieves a minimum roll diameter for a fixed roll length.
    Type: Grant
    Filed: October 31, 2000
    Date of Patent: June 8, 2004
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Richard Wolkowicz, Mark Burazin
  • Patent number: 6709550
    Abstract: A multi-layered paper web that has increased strength for minimizing slough and lint is provided. In one embodiment, the paper web contains an outer layer formed from unrefined hardwood fibers and an inner layer formed from refined hardwood, softwood, and machine broke fibers. During formation within a headbox, the outer and inner fibrous layers are allowed to partially blend. By partially blending the layers, the fibers within each layer can form bonds in the −z direction to provide sufficient strength to minimize lint and slough.
    Type: Grant
    Filed: August 22, 2002
    Date of Patent: March 23, 2004
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Jeffrey D. Holz, Thomas G. Neal, Jr., Robert E. Donnelly, Michelle Nault, Devany H. Martin
  • Patent number: 6616811
    Abstract: A machine for the manufacture of a multi-layer fibrous web includes at least two fibrous web layers and at least two formers; the fibrous web layers each having a lower fines side with a lower fines content and a higher fines side with a higher fines content; and the formers include a first former and a second former, at least one of the two formers being a gap former, with the second former including a couch roll defining a couching zone whereat the lower fines side of the first fibrous web layer is brought into contact with the lower fines side of the second fibrous web layer.
    Type: Grant
    Filed: March 28, 2001
    Date of Patent: September 9, 2003
    Assignee: Voith Paper Patent GmbH
    Inventors: Alexander Wassermann, Manfred Feichtiger, Thomas Nagler
  • Patent number: 6610173
    Abstract: An improved method for imprinting a paper web during a wet pressing event is disclosed which results in asymmetrical protrusions corresponding to the deflection conduits of a deflection member. In one embodiment, differential velocity transfer during a pressing event serves to improve the molding and imprinting of a web with a deflection member. Improved deflection members are also disclosed. Improved tissue webs produced are also disclosed having useful sets of physical and geometrical properties, such as a pattern densified network- and a repeating pattern of protrusions having asymmetrical structures.
    Type: Grant
    Filed: November 3, 2000
    Date of Patent: August 26, 2003
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Jeffrey Dean Lindsay, Mark Alan Burazin, Fung-jou Chen, Michael Alan Hermans, Philip Sim Lin, Kenneth Curtis Larson
  • Patent number: 6599393
    Abstract: A tissue product having improved hand feel and good wettability is produced by printing onto one or both sides of the tissue an aqueous emulsion containing a hydrophilically-modified amino-functional polydimethylsiloxane. The hydrophilically-modified amino-functional polydimethylsiloxane structure has one or more pendant groups containing ethylene oxide moieties.
    Type: Grant
    Filed: November 15, 2001
    Date of Patent: July 29, 2003
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventor: Kou-Chang Liu
  • Patent number: 6599394
    Abstract: A tissue product having improved hand feel and good wettability is produced by printing onto one or both sides of the tissue an aqueous emulsion containing a hydrophilically-modified amino-functional polydimethylsiloxane. The hydrophilically-modified amino-functional polydimethylsiloxane structure has one or more pendant groups containing an ethylene oxide moiety and/or propylene oxide moiety.
    Type: Grant
    Filed: March 14, 2002
    Date of Patent: July 29, 2003
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Kou-Chang Liu, Amber Marie Fortune, Geoffrey Fenn Carlow, Timothy Dale Ferguson, Roger Edward Wendler, Jr., Heath David Van Wychen, Daniel John VanderHeiden
  • Publication number: 20030127203
    Abstract: A tissue product having superior properties of softness, handfeel, and strength is disclosed. The product may show a reduced degree of sloughing, that is, a reduction in the amount of paper particles or flakes that are generated from the product upon the abrasion of the tissue product. In one embodiment, a two furnish process is employed. In some applications, both hardwood fibers and softwood fiber sources may be employed. At least one fiber furnish is fractionated or separated into short and long fiber fractions. The resulting product exhibits reasonably good strength and softness, with reduced sloughing.
    Type: Application
    Filed: May 23, 2002
    Publication date: July 10, 2003
    Applicant: Kimberly-Clark Worldwide, Inc.
    Inventor: Sheng-hsin Hu
  • Publication number: 20030121629
    Abstract: A product and process of making an absorbent paper article such as paper products, towels, napkins and the like is disclosed. A product having superior properties of softness, handfeel, and strength is disclosed. The product may show a reduced degree of sloughing, that is, a reduction in the amount of paper particles or flakes that are generated from the product upon the abrasion of the paper product. In one embodiment, a two furnish process is employed. In some applications, both hardwood fibers and softwood fiber sources may be employed. At least one fiber furnish is fractionated or separated into short and long fiber fractions. The resulting product exhibits reasonably good strength and softness, with reduced sloughing.
    Type: Application
    Filed: December 19, 2001
    Publication date: July 3, 2003
    Applicant: Kimberly-Clark Worldwide, Inc.
    Inventor: Sheng-hsin Hu
  • Publication number: 20030111198
    Abstract: In the practice of the invention, a multi-ply paper product or tissue having hardwood layers on the outside and on the inside provides reduced amounts of undesirable sloughing. The multi-ply product includes at least two plies, with three layers in each ply. Hardwood layers, such as for example eucalyptus-containing fiber layers, are provided on the outside surfaces of each ply and also on the interface of one or more plies. The resulting paper product may exhibit reduced sloughing, with little or no sacrifice in softness. A product having two, three, four, or more plies is shown.
    Type: Application
    Filed: May 23, 2002
    Publication date: June 19, 2003
    Applicant: Kimberly-Clark Worldwide, Inc.
    Inventor: Sheng-hsin Hu
  • Publication number: 20030056916
    Abstract: A web comprised of lyocell fibers. The web may be a homogeneous blend of fibers with lyocell fibers having a length of less than about 6 mm as a portion of the blend.. The web may be a multi layered single ply with lyocell fibers in one or more layers. The web may be composed of multiple plies, with component plies composed of multiple layers. The length and proportion of the lyocell fibers in the respective layers of the component plies may vary intentionally from layer to layer.
    Type: Application
    Filed: September 23, 2002
    Publication date: March 27, 2003
    Applicant: The Procter & Gamble Company
    Inventors: Steven Anthony Horenziak, Ward William Ostendorf
  • Patent number: 6537424
    Abstract: Provided is a paper structure comprised of two outside layers and at least one inside layer. The two outside layers are comprised of substantially cellulosic pulp fiber, and the inside layer is comprised of a high temperature fiber and a polymeric binder, and preferably cellulosic pulp fiber. In a preferred embodiment, the structure comprises at least three inside layers, all comprised of cellulosic pulp fiber, high temperature fiber and a polymeric binder. The resulting paper structure finds particular use as a high temperature transformer paper in the manufacture of transformers.
    Type: Grant
    Filed: April 10, 2002
    Date of Patent: March 25, 2003
    Assignee: FiberMark, Inc.
    Inventor: Tyrone Cornbower
  • Patent number: 6521085
    Abstract: A method for producing a pulp molded article (7) comprising the steps of supplying a pulp slurry into the cavity (1) of a mold (10) composed of a set of splits (3 and 4) the set of splits (3 and 4) being assembled together to form the cavity (1) with a prescribed configuration, to form a pulp deposited body (5), feeding a fluid into the cavity (1) to press the pulp deposited body (5) onto the inner wall of the cavity (1) for dewatering.
    Type: Grant
    Filed: June 22, 2001
    Date of Patent: February 18, 2003
    Assignee: Kao Corporation
    Inventors: Yoshiaki Kumamoto, Kenichi Otani, Shinji Otakura, Tokuo Tsuura, Masataka Ishikawa, Toshiyuki Suga, Akira Nonomura
  • Patent number: 6517680
    Abstract: Method for manufacturing paper or cardboard in one or more plies in order to achieve a paper or cardboard product with an even quality. The method comprises determining a fiber composition of a broke paper or cardboard waste broke, fractionating the broke; and conveying at least one fiber fraction obtained thereby to a given ply in the paper or cardboard. In this way the fractionating is controlled so that the fiber composition in the fiber fraction obtained corresponds to a fiber composition in the input paper pulp for the given ply.
    Type: Grant
    Filed: September 6, 2001
    Date of Patent: February 11, 2003
    Assignee: Stora Kopparbergs Bergslags Aktiebolag (publ)
    Inventors: Mats Fredlund, Anders Moberg, Frank Peng, Fredrik Werner
  • Publication number: 20020195215
    Abstract: A multi-layered paper web that has increased strength for minimizing slough and lint is provided. In one embodiment, the paper web contains an outer layer formed from unrefined hardwood fibers and an inner layer formed from refined hardwood, softwood, and machine broke fibers. During formation within a headbox, the outer and inner fibrous layers are allowed to partially blend. By partially blending the layers, the fibers within each layer can form bonds in the −z direction to provide sufficient strength to minimize lint and slough.
    Type: Application
    Filed: August 22, 2002
    Publication date: December 26, 2002
    Inventors: Jeffrey D. Holz, Thomas G. Neal, Robert E. Donnelly, Michelle Nault, Devany H. Martin
  • Publication number: 20020162635
    Abstract: A product and process of making an absorbent paper article such as paper products, towels, napkins and the like is disclosed. In the invention, one may supply a single furnish, or slurry, of cellulose fibers. Then, it is possible to separate or fractionate the slurry into at least two portions based upon fiber length in the slurry. Fines are employed in the process of manufacturing the products, and fines are specifically incorporated into an inner layer of the final paper products. Fines, short fibers, and/or fibrils are used in the process so they may contribute in a positive manner to the final paper product, rather than acting in a negative manner as a chemical “sponge” or waste material. This use of fines in the inner layers of the product reduces the manufacturing cost and waste produced in the process. A soft paper product with good strength characteristics results from the process.
    Type: Application
    Filed: May 10, 2002
    Publication date: November 7, 2002
    Inventors: Jay C. Hsu, Nauman N. Lakhani
  • Patent number: 6464830
    Abstract: A multi-layered paper web that has increased strength for minimizing slough and lint is provided. In one embodiment, the paper web contains an outer layer formed from unrefined hardwood fibers and an inner layer formed from refined hardwood, softwood, and machine broke fibers. During formation. within a headbox, the outer and inner fibrous layers are allowed to partially blend. By partially blending the layers, the fibers within each layer can form bonds in the -z direction to provide sufficient strength to minimize lint and slough.
    Type: Grant
    Filed: November 7, 2000
    Date of Patent: October 15, 2002
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Jeffrey D. Holz, Thomas G. Neal, Jr., Robert E. Donnelly, Michelle Nault, Devany H. Martin
  • Patent number: 6458243
    Abstract: New and improved methods and products are disclosed relating to increasing the softness of paper sheets, without effecting their wetability. Increased softness, without loss of wetability is obtained by adding deactivated ketene dimer sizing agents to the sheet.
    Type: Grant
    Filed: April 27, 2001
    Date of Patent: October 1, 2002
    Assignee: Kimberly Clark Worldwide Inc.
    Inventors: David A. Jones, Nancy C. Clungeon
  • Publication number: 20020112830
    Abstract: A process for increasing the tactile properties of a base web without adversely affecting the strength of the web is disclosed. In general, the process includes the steps of placing a base web in between a first moving conveyor and a second moving conveyor. The conveyors are then wrapped around a shear inducing roll which creates shear forces that act upon the base web. The shear forces disrupt the web increasing the softness and decreasing the stiffness of the web. The shear inducing roll typically has a relatively small diameter. In some applications, more than one shear inducing roll may be incorporated into the system.
    Type: Application
    Filed: November 29, 2001
    Publication date: August 22, 2002
    Applicant: Kimberly-Clark Worldwid, Inc.
    Inventors: Andrew P. Bakken, Troy M. Runge, Kenneth J. Zwick
  • Patent number: 6423182
    Abstract: A surface-sizing agent for providing a recording paper contains bacterial cellulose and/or plant-originated fine fibrous cellulose (having an average diameter of 10 &mgr;m or less), and a cationic polymer. The cationic polymer may be at least partially bonded to the bacterial cellulose and/or the plant-originated fine fibrous cellulose. The cationic polymer may be an acrylic polymer, a vinyl polymer or an allyl polymer each comprising a quaternary amino group.
    Type: Grant
    Filed: February 13, 2001
    Date of Patent: July 23, 2002
    Assignees: Space Environmental Technology Company, Inc., Ajinomoto Co., Inc.
    Inventors: Toshikatsu Furunaga, Shigeru Yamanaka
  • Patent number: 6423180
    Abstract: The present invention is directed to a paper product which is very flexible, tough when wet, and has a high bulk. In particular, the paper towel has a dry, specific modulus less than 0.0040 kilograms, a bulk greater than 10 cubic centimeters per gram and a wet strength ratio greater than 0.40.
    Type: Grant
    Filed: November 30, 1999
    Date of Patent: July 23, 2002
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Janica S. Behnke, Kenneth C. Larson
  • Publication number: 20020088578
    Abstract: New and improved methods and products are disclosed relating to increasing the softness of paper sheets, without effecting their wetability. Increased softness, without loss of wetability is obtained by adding deactivated ketene dimer sizing agents to the sheet.
    Type: Application
    Filed: April 27, 2001
    Publication date: July 11, 2002
    Applicant: Kimberly-Clark Worldwide, Inc.
    Inventors: David A. Jones, Nancy S. Clungeon
  • Patent number: 6413369
    Abstract: An arrangement and method for forming a multilayered paper or paperboard web from stock suspensions containing papermaking fibers and fines, in which first and second webs are formed in first and second twin-wire forming units such that each web has a higher concentration of fines at one side than at the other side of the web. The webs are couched together such that the sides having the higher concentration of fines are in contact with each other.
    Type: Grant
    Filed: December 15, 2000
    Date of Patent: July 2, 2002
    Assignee: Metso Paper Karlstad AB
    Inventor: Jukka Kinnunen
  • Patent number: 6379497
    Abstract: An improved paperboard has been bulk enhanced by retaining a substantial portion of bulk-enhanced additives including expandable microspheres in a suitable distribution within the paperboard. The cellulosic paperboard web has an overall fiber weight (w) of at least 40 lbs./3000 square feet and at a fiber density of 3, 4.5, 6.5, 7, 8.3, and 9 pounds per 3000 square foot ream at a fiberboard thickness of 0.001 inch respectively, has a GM Taber stiffness of at least about 0.00716 w2.63 grams-centimeter/fiber mat density1.63 pounds per 3000 square foot ream at a fiberboard thickness of 0.001 inch, and a GM tensile stiffness of at least about 1890+24.2 w pounds per inch. The high retention of the bulk enhancing additives is believed to result from the incorporation of suitable retention aids. The resulting paperboard has better GM Taber stiffness values and GM tensile stiffness than prior art paperboards.
    Type: Grant
    Filed: May 19, 1999
    Date of Patent: April 30, 2002
    Assignee: Fort James Corporation
    Inventors: Erland Sandstrom, Kenneth J. Shanton, Dean Swoboda
  • Patent number: 6335102
    Abstract: A resin coated paper-based support for an imaging material comprises a multilayered base paper and a polyolefin resin sheet on at least the image forming side of the paper base. The thickness, fiber length, pulp composition, and freeness of the paper layers comprising the multilayered base paper base are controlled in order to obtain an imaging material with high gloss, stiffness, and curl resistance. The polyolefin resin sheet may comprise one or more layers.
    Type: Grant
    Filed: February 22, 1998
    Date of Patent: January 1, 2002
    Assignee: Mitsubishi Paper Mills Ltd.
    Inventors: Masayuki Tsubaki, Touru Noda, Tomoichi Morita, Massashi Kubbota
  • Patent number: 6332952
    Abstract: A toilet tissue product may include a first cellulosic ply and a second cellulosic ply. Desirably, the first cellulosic ply further includes a single layer and the second cellulosic ply further includes a single layer. At least one ply may have a region that prevents fluid from striking through the tissue product.
    Type: Grant
    Filed: June 29, 1998
    Date of Patent: December 25, 2001
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Jay Chiehlung Hsu, Wesley James McConnell, Joseph Mitchell, Sheng-Hsin Hu
  • Patent number: 6328850
    Abstract: A multi-layered paper product. The paper product has individual layers for providing a soft tactile sensation to the user, for providing strength, and for providing bulk. Suitable fibers for increasing bulk may be synthetic fibers, debonded fibers, weakly bonded fibers, curled fibers, and fibers combined with particulate fillers. An exemplary embodiment having five layers is disclosed.
    Type: Grant
    Filed: April 16, 1998
    Date of Patent: December 11, 2001
    Assignee: The Procter & Gamble Company
    Inventors: Dean Van Phan, Paul Dennis Trokhan