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| Number | Title | Issue Date |
| 7425245 | Fibrous sheets This invention is directed to improvements in fibrous sheets, such as paper, incorporating an elongate impermeable element, to a method of making such paper and to documents made therefrom. The method comprises the steps of bringing an elongate flexible element into... | 09/16/2008 |
| 7422660 | Method of producing a nonwoven material Method of producing a nonwoven material, includes forming a web of continuous filaments on a forming member (12) and applying a wet- or foam formed fiber dispersion containing natural fibers and/or synthetic staple fibers on top of the continuous filaments. A... | 09/09/2008 |
| 7399379 | Process of attaching reinforcing ply to ply containing mica-rich and mica-poor faces The present invention relates to a sheet structure for electrical insulation or flame resistance comprising a barrier ply having a mica-rich face and a mica-poor face and a reinforcing ply containing a saturable backing layer attached to the mica-poor face of the ba... | 07/15/2008 |
| 7347917 | Paper incorporating a wide elongate impermeable element, and a method of making of the same Paper incorporating a wide elongate impermeable element with regions at least partially exposed at one surface of the paper at two sets of windows at spaced locations has its windows formed by two sets of raised portions on the support surface of the papermaking mac... | 03/25/2008 |
| 7293336 | Method for consolidating a material web made from wood pulp Production of a non-woven tissue from wood pulp on a wet strip is known. The above has a cardboardy, paper-like feel to it. In order to achieve a web with sufficient resilience, the desired wood pulp fibres used to advantage in the hygiene industry for absorbing liq... | 11/13/2007 |
| 7264691 | Fibrous substrates A fibrous security substrate for use in producing documents includes at least one aperture extending therethrough and contains an elongate impermeable element at least partially embedded therein such that at least one edge thereof is exposed in the aperture. ... | 09/04/2007 |
| 7246239 | Digital watermarks for checking authenticity of printed objects The invention provides methods for embedding digital watermarks for authentication of printed objects, and corresponding methods for authenticating these objects. One aspect of the invention is a method of embedding a digital watermark in a digital image to be print... | 07/17/2007 |
| 7213497 | Inflatable trajectory altering and blast energy absorption system An inflatable trajectory altering and blast energy absorption system has a plenum with walls that are spaced apart from one another when the plenum is inflated. Flexible members, dispersed in the plenum and coupled thereto, are placed in tension when the plenum is i... | 05/08/2007 |
| 7178210 | Installation for producing non-woven textile webs with jet fluids leaving no visible mark The invention concerns an installation for producing non-woven textile webs comprising a conveyor on one side of which the non-woven textile web passes between an injector and a vacuum chamber driven in an oscillating motion. The resulting web bears no mark. ... | 02/20/2007 |
| 7152047 | System and method for production and authentication of original documents A system and method for authenticating documents and content thereof. A counterfeit resistant document recording medium is provided, having thereon a predefined unique document identifier and at least one security feature. The recording medium is thereafter imprinte... | 12/19/2006 |
| 7094373 | Process and apparatus for air forming an article having a plurality of reinforced superimposed fibrous layers A process and apparatus for air forming an article having a plurality of superimposed reinforced fibrous layers. The layers are formed in substantially discrete forming chambers by depositing fibrous materials on a forming surface which moves along a forming path th... | 08/22/2006 |
| 7089420 | Authentication method and system The present invention provides a method and apparatus for the production and labeling of objects in a manner suitable for the prevention and detection of counterfeiting. Thus, the system incorporates a variety of features that make unauthorized reproduction difficul... | 08/08/2006 |
| 7062824 | Method and device for producing composite nonwovens by means of hydrodynamic needing Method of producing a composite nonwoven for receiving and storing liquids or the like, comprising a carded nonwoven, which is treated in order to consolidate it, and a pulp layer, such as a wood pulp fiber layer, applied to the consolidated carded nonwoven and brou... | 06/20/2006 |
| 7033529 | Plain bearing provided with a friction coating and method for making same A high-performance plain bearing provided with a friction coating including a bronze layer whereof the pores are filled with a PTFE-type fluoroplastic paste filled with molybdenum bisulphide. The production method includes sintering a layer of bronze powder on the m... | 04/25/2006 |
| 7001567 | Melt spinning apparatus and process for making nonwoven webs An air handler for collecting air discharged from a melt spinning apparatus. The air handler includes an outer housing having walls defining a first interior space. One of the walls has an intake opening for receiving the discharge air. Another wall has an exhaust o... | 02/21/2006 |
| 6942749 | Method of manufacturing a security item A method of manufacturing a security item comprises extruding or casting a polymer plastics substrate and, during the forming process, introducing a security thread into the substrate. The security thread is embedded to different depths in the substrate so as to gen... | 09/13/2005 |
| 6916480 | Wiper containing a controlled-release anti-microbial agent A wiper having a controlled release anti-microbial agent therein for providing anti-microbial cleansing of surfaces is provided. The wiper is formed from an absorbent base web to which an anti-microbial formulation is adhered. The formulation includes an anti-microb... | 07/12/2005 |
| 6911115 | Security paper Security paper (1) has a security zone (2) for providing protection against mechanical falsification. The security zone comprises a set of cells (3) indented in the paper and optionally interconnected by indented link portions, the thickness of ... | 06/28/2005 |
| 6784126 | High pulp content nonwoven composite fabric A high pulp content nonwoven composite fabric is disclosed. The composite fabric contains 1) from more than about 0 to less than about 30 percent, by weight, of a nonwoven layer of conjugate spun filaments, the filaments containing at least one low-softening point c... | 08/31/2004 |
| 6616803 | Making paper This invention is directed to improvements in paper incorporating an elongate impermeable element, to a method of making such paper and to documents made therefrom. The invention therefore comprises a method of making single ply paper having an elongate i... | 09/09/2003 |
| 6592713 | Method of producing a nonwoven material Method for producing a nonwoven material comprising at least one layer of continuous filaments, such as spunbond- or meltblown fibers. A first web of continuous filaments (19) are laid on a wire (14) or other permeable support member having a resilient ex... | 07/15/2003 |
| 6485608 | Manufacture of plain bearings The bearing comprises a metal backing, a sintered layer on said metal backing, and a lining layer infiltrated into pores of the sintered layer and standing proud thereof to provide a bearing surface. The lining layer comprises polytetrafluoroethylene incl... | 11/26/2002 |
| 6425977 | Manufacture of plain bearings A method of manufacturing a bearing material, a bearing material and a bearing having the bearing material on a strong backing are described. The method includes the steps of forming a water-based slurry having a solids content comprising 30 to 80% by vol... | 07/30/2002 |
| 6402888 | Security paper comprising localized areas with reduced thickness and opacity, and method for making same A method for making a paper sheet comprising at least one region which is thinner than the rest of the sheet. According to the method, a first paper layer (3) is formed on a wire in a first wet end of a paper-making machine, a second paper layer (5) is fo... | 06/11/2002 |
| 6355140 | Method of manufacturing anti-falsification paper A method of manufacturing a thread-inserted window paper produces paper in which a thread is exposed to windows which are intermittently formed, and have clear contours, and in which thread is exposed surely at the window portions to make the thread clear... | 03/12/2002 |
| 6348133 | Smooth textured wet-laid absorbent structure A smooth-textured non-woven, superabsorbent particle-impregnated fibrous structure is disclosed. The web exhibits an improved smooth surface texture. The structure contains from 50% to 80% of ion sensitive SAP having a particle size of less than 200 micro... | 02/19/2002 |
| 6035914 | Counterfeit-resistant materials and a method and apparatus for authenticating materials Fluorescent dichroic fibers randomly incorporated within a media provide an improved method for authentication and counterfeiting protection. The dichroism is provided by an alignment of fluorescent molecules along the length of the fibers. The fluorescen... | 03/14/2000 |
| 6030497 | Paper web and process for making the same A multi-ply paper web comprises a base ply of a post-manufactured sheet such as reused old newsprint or reused office waste. An upper and/or lower ply bonded to the base ply covers any printing or contamination of the base ply, thus allowing the resulting... | 02/29/2000 |
| 5989389 | Method of producing visible, continuous streaks and/or delimited fields in paper The invention relates to a method of producing visible, preferably transparent or translucent, continuous streaks and/or delimited fields in paper in conjunction with forming a paper web in a paper machine. The method is characterized by essentially preve... | 11/23/1999 |
| 5928472 | Paper web and process for making the same A multiply paper web comprises a base ply of a post-manufactured sheet such as reused old newsprint or reused office waste. An upper and/or lower ply is bonded to the base ply to cover any printing or contamination of the base ply, thus allowing the resul... | 07/27/1999 |
| 5795377 | Method for modifying papermaking sludge and products made from modified papermaking sludge Papermaking sludge can be modified to a modeling clay-like consistency by the addition of one or more dispersing agents, such as polyacrylamide. The modified papermaking sludge can be formed into a number of useful products, such as paper sheets or extrud... | 08/18/1998 |
| 5744000 | Method for making encoded filaments and use of encoded filaments to produce security paper The invention is concerned with the production of filaments or fibers each of which carries a recognizable "signature" (encoding). These filaments or fibers are produced by taking a film (preferably a plastics film) applying a code directly onto the film ... | 04/28/1998 |
| 5718786 | Flat oriented strand board-fiberboard composite structure and method of making the same An oriented strand board (OSB)-fiberboard composite structure is comprised of a baseboard having three wood strand layers, the wood strands being oriented in space with respect to a board forming machine such that a core layer is comprised of wood strands... | 02/17/1998 |
| 5567276 | Paper of value and a method of producing it The present invention relates to a paper of value having an embedded security element, preferably an optically variable element in the form of hologram, diffraction or interference structures applied to the paper surface, and to a method for producing suc... | 10/22/1996 |
| 5405500 | Method for making sheet materials and security paper This invention relates to a method of making sheet materials and security paper having partially embedded therein an elongate security element which is at least substantially exposed at one surface of the sheet at a plurality of spaced locations, which me... | 04/11/1995 |
| 5389202 | Process for making a high pulp content nonwoven composite fabric A high pulp content nonwoven composite fabric is disclosed. The composite fabric contains more than about 70 percent, by weight, pulp fibers which are hydraulically entangled into a continuous filament substrate. This high pulp content composite nonwoven ... | 02/14/1995 |
| 5368695 | Method for producing an acoustic vibration plate An acoustic diaphragm employed in a speaker or the like and a method for producing the acoustic diaphragm are disclosed. A diaphragm substrate is a diaphragm exhibiting air permeability, such as a paper diaphragm. The substrate is processed with filling b... | 11/29/1994 |
| 5161829 | Security paper and method of manufacturing the same A security paper includes at least two layers of paper each having inner and outer surfaces and predetermined mechanical properties, color and optical density. Authentication indicia is printed on the inner surface of at least one layer. The indicia is fo... | 11/10/1992 |
| 5055160 | Security paper with rigid segments A hybrid band that includes rigid segments into a paper web being formed in a paper manufacturing process. The band includes a carrier that has an adhesive surface for mounting the rigid segments thereon and spacing filler material between contiguous rigi... | 10/08/1991 |
| 5020581 | Process for inserting rigid segments in security paper A process for inserting rigid segments into a paper web being formed in a paper manufacturing process that includes the use of a paper forming screen roll, including the steps of cutting segments from a continuous rigid wire material and placing the rigid... | 06/04/1991 |
