Patents by Inventor Björn Weidmann
Björn Weidmann has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10889100Abstract: The invention relates to a method (100) for producing an image structure (12) according to an image specification (20), in particular for a letterpress process and/or intaglio printing process, characterized in that the following steps are carried out: a) providing a base (10) for receiving the image structure (12), b) producing an image structure (12) on the base (10) so that an image layer (11) is formed on the base (10) by means of the image structure (12).Type: GrantFiled: April 17, 2017Date of Patent: January 12, 2021Assignee: Windmöller & Hölscher KGInventors: Martin Krümpelmann, Frank Gunschera, Björn Weidmann
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Patent number: 10766232Abstract: A method of manufacture of a composite aircraft article aerodynamic surface by forming the composite aircraft article aerodynamic surface on an aircraft article composite forming tool. The aircraft article composite forming tool includes a matrix laminate including an upper ply including a forming surface for forming the composite aircraft article aerodynamic surface. The upper ply of the aircraft article composite forming tool includes a nano filament structure embedded therein. A blank is conformed onto the aircraft article composite forming tool. The aircraft article is formed on the upper ply of the forming surface. The forming surface of the aircraft article composite forming tool is adapted to form an aerodynamic surface of the aircraft article. The blank is cured into the aircraft article. The composite aircraft article is finished.Type: GrantFiled: April 16, 2015Date of Patent: September 8, 2020Assignee: SAAB ABInventors: Per Hallander, Mikael Petersson, Björn Weidmann, Tommy Grankäll, Göte Strindberg, Pontus Nordin
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Publication number: 20170217148Abstract: The invention relates to a method (100) for producing an image structure (12) according to an image specification (20), in particular for a letterpress process and/or intaglio printing process, characterized in that the following steps are carried out: a) providing a base (10) for receiving the image structure (12), b) producing an image structure (12) on the base (10) so that an image layer (11) is formed on the base (10) by means of the image structure (12).Type: ApplicationFiled: April 17, 2017Publication date: August 3, 2017Inventors: Martin KRÜMPELMANN, Frank GUNSCHERA, Björn WEIDMANN
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Patent number: 9656456Abstract: The invention describes a machine for printing material webs (4), which comprises a station (1, 11, 41) for monitoring the printed material web (4), with the station (1, 11, 41) for monitoring the material web (4) comprising a sensor (3, 13) for monitoring the web (4) and at least one counter support (2, 12) for guiding the web (4), with at least one counter support (2, 12) being located on the side of the web (4) facing away from the sensor (3, 13). The invention is characterized by a device for providing blow air, which shows jets (6, 7) extruding blow air in the area of the station (1, 11, 41) for monitoring the material web (4) at the side of the material web (4) facing the sensor (3, 13).Type: GrantFiled: August 17, 2012Date of Patent: May 23, 2017Assignee: WINDMOELLER & HOELSCHER KGInventor: Bjoern Weidmann
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Patent number: 9180979Abstract: An aircraft article composite forming tool and a method for producing the tool. The aircraft article to be formed includes a composite material including an outer surface. The aircraft article composite forming tool includes a matrix laminate made of at least an upper ply including a forming surface for forming the aircraft article and outer surface. The upper ply includes a nano filament structure embedded therein.Type: GrantFiled: February 4, 2010Date of Patent: November 10, 2015Assignee: SAAB ABInventors: Per Hallander, Mikael Petersson, Björn Weidmann, Tommy Grankäll, Göte Strindberg, Pontus Nordin
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Publication number: 20150290845Abstract: A method of manufacture of a composite aircraft article aerodynamic surface by forming the composite aircraft article aerodynamic surface on an aircraft article composite forming tool. The aircraft article composite forming tool includes a matrix laminate including an upper ply including a forming surface for forming the composite aircraft article aerodynamic surface. The upper ply of the aircraft article composite forming tool includes a nano filament structure embedded therein. A blank is conformed onto the aircraft article composite forming tool. The aircraft article is formed on the upper ply of the forming surface. The forming surface of the aircraft article composite forming tool is adapted to form an aerodynamic surface of the aircraft article. The blank is cured into the aircraft article. The composite aircraft article is finished.Type: ApplicationFiled: April 16, 2015Publication date: October 15, 2015Inventors: Per HALLANDER, Mikael PETERSSON, Björn WEIDMANN, Tommy GRANKÄLL, Göte STRINDBERG, Pontus NORDIN
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Patent number: 9040142Abstract: A composite article having a longitudinal direction and a transversal direction. The article includes a stack of plies wherein one ply is a bottom ply and one ply is a top ply. Most or all of the plies include fibers. A plurality of plies have fibers substantially in an orthogonal direction and substantially in a same direction as the longitudinally direction of the article. The bottom ply and the top ply have fibers in a substantially orthogonal direction to the longitudinal direction of the article. At least one ply has the fibers substantially in the same direction as the longitudinal direction of the article. At least one of the plies having fibers substantially in the longitudinal direction includes particles selected from the group of thermoplastic tougheners, nano particles, micro particles, elastic particles, elastomer particles and polymer particles or a combination. Also a method of forming an article on a tool.Type: GrantFiled: May 11, 2010Date of Patent: May 26, 2015Assignee: SAAB ABInventors: Björn Weidmann, Mikael Petersson, Per Hallander, Pontus Nordin, Tommy Grankäll
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Patent number: 8871126Abstract: A method for producing an object of composite material comprising the steps of: placing one or several prepregs on a plane surface, forming a fiber stack; lifting over the fiber stack to a molding tool; downforming the fiber stack; curing the downformed fiber stack; where the method also comprises the step of: orienting the fiber directions so that all fibers, when the fiber stack is lifted over to the molding tool, will cross an edge of the molding tool only once.Type: GrantFiled: October 4, 2006Date of Patent: October 28, 2014Assignee: Saab ABInventors: Max Krogager, Mikael Petersson, Björn Weidmann, Ingemar Turesson, Anders Westerdahl, Jan Vaara
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Publication number: 20140284431Abstract: The present invention regards an aircraft structure comprising an aerodynamic composite shell (7), the interior face (9) of which in whole or in part is bonded with at least one two- or three-dimensional structural composite part (11) by means of a bonding material (15). It also regards a method of manufacture of the aircraft structure. The bonding material (15) comprises a non-structural fiber reinforced resin system, wherein at least one portion of the bonding material, which portion spatially corresponds with an interior face filling volume (21), is thicker than other portions of the bonding material (15), due to settlement of resin of the non-structural fiber reinforced resin system in said interior face filling volume (21) during the viscous phase of the curing of the non-structural fiber reinforced resin system.Type: ApplicationFiled: December 12, 2011Publication date: September 25, 2014Applicant: SAAB ABInventors: Tommy Grankaell, Per Hallander, Mikael Petersson, Bjoern Weidmann
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Publication number: 20140208970Abstract: The invention describes a machine for printing material webs (4), which comprised a station (1, 11, 41) for monitoring the printed material web (4), with the station (1, 11, 41) for monitoring the material web (4) comprising a sensor for monitoring the material web (4) and at least one counter support (2, 12) for guiding the web (4), with at least one counter support (2, 12) being located on the side of the web facing away from the sensor (3, 13), and with the surface of the counter support facing the material web at least partially being made from a porous or perforated material. It is characterized in a surface of the counter support facing the material web (4), showing a reflector (34) and/or a background illumination (39).Type: ApplicationFiled: August 17, 2012Publication date: July 31, 2014Applicant: WINDMOELLER & HOELSCHER KGInventor: Bjoern Weidmann
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Publication number: 20140190362Abstract: The invention describes a machine for printing material webs (4), which comprises a station (1, 11, 41) for monitoring the printed material web (4), with the station (1, 11, 41) for monitoring the material web (4) comprising a sensor (3, 13) for monitoring the web (4) and at least one counter support (2, 12) for guiding the web (4), with at least one counter support (2, 12) being located on the side of the web (4) facing away from the sensor (3, 13). The invention is characterized by a device for providing blow air, which shows jets (6, 7) extruding blow air in the area of the station (1, 11, 41) for monitoring the material web (4) at the side of the material web (4) facing the sensor (3, 13).Type: ApplicationFiled: August 17, 2012Publication date: July 10, 2014Applicant: WINDMOELLER & HOELSCHER KGInventor: Bjoern Weidmann
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Patent number: 8758534Abstract: A method of attaching a first portion and a second portion to each other. An adhesive is exposed to a low temperature in order to obtain a non-tacky adhesive. The non-tacky adhesive is arranged between the two portions. The adhesive is cured. Use of adhesive according to the method.Type: GrantFiled: December 19, 2008Date of Patent: June 24, 2014Assignee: Saab ABInventors: Björn Weidmann, Anders Westerdahl
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Publication number: 20140147619Abstract: The present invention relates to a composite article 801, wherein the article has a longitudinal direction L and a transversal direction T, the article 80 comprises a stack of plies wherein one ply is a bottom ply and one ply is a top ply, most of or all of the plies comprise fibres, and the article comprises a plurality of plies having fibres substantially in the orthogonal direction 810 to the longitudinal direction L of the article 801 and the stack further comprises a plurality of plies having fibres substantially in the same direction 811 as the longitudinally direction L of the article 801 and/or a plurality of plies having fibres in the diagonal direction (812, 813, 815, 816, 817, 818) of the longitudinal direction (L) of the article (801), wherein at least one of the ply/plies having fibres substantially in the orthogonal direction 810 to the longitudinal direction L of the article 801 comprise fibres that are stiffer than the fibres in the other plies which have less stiff fibres.Type: ApplicationFiled: January 21, 2011Publication date: May 29, 2014Applicant: SAAB ABInventors: Tommy Grankaell, Per Hallander, Anders Lundberg, Tonny Nyman, Bjoern Weidmann, Mikael Petersson
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Patent number: 8662452Abstract: A structural article including an outer surface that serves as an aerodynamic surface when the structural article is subjected for an air stream. A resin matrix laminate includes an upper ply and a bottom ply. A heating element is arranged in contact with the bottom ply and coupled to a power supply unit in purpose to deice/anti-ice the outer surface. Each ply includes a thermally conductive filament structure having a filament orientation such that the prolongation of the filaments has an extension essentially perpendicular to the extension of the laminate. The thermally conductive filament structure of the upper ply is embedded in the upper ply in such way that at least a portion of the thermally conductive filament structure is exposed in the outer surface.Type: GrantFiled: January 14, 2010Date of Patent: March 4, 2014Assignee: SAAB ABInventors: Per Hallander, Mikael Petersson, Björn Weidmann, Tommy Grankäll, Göte Strindberg, Pontus Nordin
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Patent number: 8632710Abstract: The present invention relates to a method for the manufacture of a composite article comprising a composite plate (1) and at least one fitting (4). The method is characterized by the steps of arranging at least one former on said composite plate (1), arranging at least one fitting (4) on said composite plate (1), producing a lay-up by applying a composite material layer (9) least partly covering an external surface of the former and of the fitting, and curing the layup in a curing process. After curing, said composite material layer (9) forms the walls of a stiffener and at least partly encloses the fitting so as to support it in a predetermined position.Type: GrantFiled: August 16, 2006Date of Patent: January 21, 2014Assignee: SAAB ABInventors: Mikael Petersson, Björn Weidmann, Max Krogager, Ingemar Turesson
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Publication number: 20130240110Abstract: An aircraft article composite forming tool and a method for producing the tool. The aircraft article to be formed includes a composite material including an outer surface. The aircraft article composite forming tool includes a matrix laminate made of at least an upper ply including a forming surface for forming the aircraft article and outer surface. The upper ply includes a nano filament structure embedded therein.Type: ApplicationFiled: February 4, 2010Publication date: September 19, 2013Applicant: SAAB ABInventors: Per Hallander, Mikael Petersson, Björn Weidmann, Tommy Grankäll, Göte Strindberg, Pontus Nordin
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Publication number: 20130129968Abstract: A composite article having a longitudinal direction and a transversal direction. The article includes a stack of plies wherein one ply is a bottom ply and one ply is a top ply. Most or all of the plies include fibers. A plurality of plies have fibers substantially in an orthogonal direction and substantially in a same direction as the longitudinally direction of the article. The bottom ply and the top ply have fibers in a substantially orthogonal direction to the longitudinal direction of the article. At least one ply has the fibers substantially in the same direction as the longitudinal direction of the article. At least one of the plies having fibers substantially in the longitudinal direction includes particles selected from the group of thermoplastic tougheners, nano particles, micro particles, elastic particles, elastomer particles and polymer particles or a combination. Also a method of forming an article on a tool.Type: ApplicationFiled: May 11, 2010Publication date: May 23, 2013Applicant: SAAB ABInventors: Björn Weidmann, Mikael Petersson, Per Hallander, Pontus Nordin, Tommy Grankäll
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Publication number: 20120292439Abstract: A structural article including an outer surface that serves as an aerodynamic surface when the structural article is subjected for an air stream. A resin matrix laminate includes an upper ply and a bottom ply. A heating element is arranged in contact with the bottom ply and coupled to a power supply unit in purpose to deice/anti-ice the outer surface. Each ply includes a thermally conductive filament structure having a filament orientation such that the prolongation of the filaments has an extension essentially perpendicular to the extension of the laminate. The thermally conductive filament structure of the upper ply is embedded in the upper ply in such way that at least a portion of the thermally conductive filament structure is exposed in the outer surface.Type: ApplicationFiled: January 14, 2010Publication date: November 22, 2012Applicant: SAAB ABInventors: Per Hallander, Mikael Petersson, Björn Weidmann, Tommy Grankäll, Göte Strindberg, Pontus Nordin
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Publication number: 20120256076Abstract: A method of producing a forming tool and a forming tool for forming an article. The forming tool includes a composite face sheet having a forming surface and an inner surface opposite the forming surface. A support structure is attached to the inner surface of the composite face sheet. The support structure includes a support shell of composite having a first surface facing the inner surface of the composite face sheet and having a second surface opposite the first surface. The support structure further includes distance members. The support shell is fixed at a distance from the composite face sheet by the distance members.Type: ApplicationFiled: November 17, 2009Publication date: October 11, 2012Inventors: Tommy Grankall, Anders Lundberg, Jan Andersson, Mikael Petersson, Björn Weidmann, Jan Waara, Per Hallander
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Patent number: 8221575Abstract: A method for manufacturing a contoured composite article. A separation distance of dividing elements of a dividing unit configured to divide a tape comprising fiber is adjusted. The tape is fed through the dividing unit to divide the tape into a plurality of inter-connected or separate, substantially longitudinal strips. The tape is laid onto a surface with an automatic tape laying apparatus.Type: GrantFiled: June 8, 2006Date of Patent: July 17, 2012Assignee: SAAB ABInventors: Max Krogager, Björn Weidmann, Mikael Petersson