Patents by Inventor Hermann Reichert
Hermann Reichert 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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Publication number: 20210131034Abstract: A press cover or jacket includes at least a first and a second polymer layer. The first polymer layer is a radially outermost polymer layer as seen relative to the longitudinal axis of the press cover and has a thickness that is at most 60% of the overall thickness of the press cover as seen in the radial direction of the press cover. The first polymer layer includes grooves or holes which are incorporated in the radially outermost lateral surface thereof and the depth of the grooves or holes, as seen in the radial direction of the press cover, have a depth that corresponds at most to 95% of the thickness of the first polymer layer. A press roll, a shoe press and a method of using a press cover are also provided.Type: ApplicationFiled: June 13, 2018Publication date: May 6, 2021Inventors: DELPHINE DELMAS, HERMANN REICHERT, MICHAEL WOKUREK, UWE MATUSCHCZYK
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Patent number: 10889936Abstract: The invention relates to a press jacket comprising at least one polymer layer, where the polymer layer comprises, or has been produced from, a polyurethane, where the polyurethane has been formed from a prepolymer and a crosslinking agent, and the prepolymer is a reaction product of phenylene 1,4-diisocyanate and of a polyol, where the crosslinking agent comprises the following components: a first component comprising 1,4-butanediol or 1,4-hydroquinone bis(2-hydroxyethyl) ether (HQEE), a second component comprising at least one aliphatic diamine, a third component comprising at least one alkanolamine.Type: GrantFiled: December 20, 2016Date of Patent: January 12, 2021Assignee: Voith Patent GmbHInventors: Delphine Delmas, Hermann Reichert, Uwe Matuschczyk, Michael Wokurek
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Publication number: 20200165777Abstract: A press cover or jacket includes at least one first polymer layer. The polymer layer contains or has been produced from a polyurethane, and the polyurethane has been formed from a prepolymer and a crosslinker. The prepolymer is a reaction product of naphthalene 1,5-diisocyanate or phenylene 1,4-diisocyanate and at least one polyol selected from a polycarbonate polyol, a polytetramethylene ether glycol, polyether polycarbonate polyol or mixtures thereof. A press using the press cover is also provided.Type: ApplicationFiled: June 13, 2018Publication date: May 28, 2020Inventors: DELPHINE DELMAS, UWE MATUSCHCZYK, HERMANN REICHERT, MICHAEL WOKUREK
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Publication number: 20190024312Abstract: A press jacket includes at least one polymer layer. The polymer layer includes, or has been produced from, a polyurethane. The polyurethane has been formed from a prepolymer and a cross linking agent. The prepolymer is a reaction product of phenylene 1,4-diisocyanate and a polyol. The cross linking agent includes the following components: a first component including 1,4-butanediol or 1,4-hydroquinone bis(2-hydroxyethyl) ether (HQEE), a second component including at least one aliphatic diamine, and a third component including at least one alkanolamine. A press roll, a shoe press and a process for the production of a press jacket are also provided.Type: ApplicationFiled: December 20, 2016Publication date: January 24, 2019Inventors: DELPHINE DELMAS, HERMANN REICHERT, UWE MATUSCHCZYK, MICHAEL WOKUREK
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Publication number: 20150308044Abstract: A press jacket for a press roller, in particular for a press roller of a shoe press for dewatering a fibrous material web, in particular a paper, cardboard, tissue or pulp web, or a transport band, in particular for a machine for producing or treating a fibrous material web, in particular a paper, cardboard or tissue machine, includes at least one layer containing polyurethane which contains a polyurethane matrix with a mixture of at least two prepolymers. Each prepolymer is a reaction product of two different polyols with a polyisocyanate.Type: ApplicationFiled: November 28, 2013Publication date: October 29, 2015Applicant: VOITH PATENT GMBHInventors: DELPHINE DELMAS, UWE MATUSCHCZYK, HERMANN REICHERT, MICHAEL WOKUREK
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Publication number: 20150211177Abstract: A press belt for a shoe-press device for dewatering or smoothing a fibrous web, in particular a paper, cardboard, or tissue web. The press belt has a fiber-reinforced plastic matrix. On account of the fiber-reinforced plastic matrix containing at least in a partial region at least one polyurethane material and polydimethyl siloxane and silicon dioxide microparticles as additives, resistance to abrasion, the tendency toward developing fissures and toward fissure growth and/or resistance in relation to media present in a paper-making machine can be improved.Type: ApplicationFiled: August 29, 2013Publication date: July 30, 2015Applicant: VOITH PATENT GMBHInventors: Delphine Delmas, Uwe Matuschczyk, Hermann Reichert
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Patent number: 8100817Abstract: The invention provides a press roller, having a roller jacket made of plastic material, for treating a web of paper, board, tissue or another fibrous material in a machine for the manufacturing and/or finishing thereof. The aim of the invention is to enlarge the application fields of the press roller. Said aim is achieved, whereby the outer surface of the roller jacket is at least partially provided with a temperature-resistant protective layer and/or covering.Type: GrantFiled: November 10, 2006Date of Patent: January 24, 2012Assignee: Voith Patent GmbHInventors: Hermann Reichert, Uwe Matuschczyk
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Publication number: 20070066469Abstract: The invention provides a press roller, having a roller jacket made of plastic material, for treating a web of paper, board, tissue or another fibrous material in a machine for the manufacturing and/or finishing thereof. The aim of the invention is to enlarge the application fields of the press roller. Said aim is achieved, whereby the outer surface of the roller jacket is at least partially provided with a temperature-resistant protective layer and/or covering.Type: ApplicationFiled: November 10, 2006Publication date: March 22, 2007Inventors: Hermann Reichert, Uwe Matuschczyk
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Patent number: 6929592Abstract: The present invention is directed to a roll cover for a calender or press roll for treating a material web. The roll cover includes a layer of elastomeric material having filaments running approximately longitudinally with respect to a web run direction and transversely to the web run direction embedded for reinforcement, and at least one layer of additional reinforcing filaments embedded in at least some sections of the elastomeric layer. The additional reinforcing filaments run at an angle between 20° and 70° with respect to the web run direction. The layer is arranged to form roll ends connectable to a roll axle. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.Type: GrantFiled: November 8, 2002Date of Patent: August 16, 2005Assignee: Voith Paper Patent GmbHInventors: Uwe Matuschczyk, Hermann Reichert
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Publication number: 20030092548Abstract: The present invention is directed to a roll cover for a calender or press roll for treating a material web. The roll cover includes a layer of elastomeric material having filaments running approximately longitudinally with respect to a web run direction and transversely to the web run direction embedded for reinforcement, and at least one layer of additional reinforcing filaments embedded in at least some sections of the elastomeric layer. The additional reinforcing filaments run at an angle between 20° and 70° with respect to the web run direction. The layer is arranged to form roll ends connectable to a roll axle. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.Type: ApplicationFiled: November 8, 2002Publication date: May 15, 2003Applicant: Voith Paper Patent GmbHInventors: Uwe Matuschczyk, Hermann Reichert