Patents by Inventor Christian Sameit
Christian Sameit 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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RADIALLY EXTENSIBLE, SLEEVE-SHAPED PRINTING BLANKET AND METHOD FOR PRODUCING SUCH A PRINTING BLANKET
Publication number: 20110308413Abstract: A printing blanket for fastening on a printing blanket cylinder and a method for the production thereof are disclosed. The printing blanket includes at least one inner carrier layer, a first intermediate layer designed as a woven fabric layer and an outer cover layer. The woven fabric layer includes warp threads and weft threads. The printing blanket can be fastened on a printing blanket cylinder such that the warp threads extend in the axial direction of the printing blanket cylinder and the weft threads extend in the circumferential direction of the printing blanket cylinder.Type: ApplicationFiled: December 15, 2009Publication date: December 22, 2011Applicant: manroland AGInventors: Christian Sameit, Eduard Hoffmann, Thomas Kandlbinder, Georg Schmid -
Patent number: 8047134Abstract: A rubber sleeve for a printing press and a method for producing a rubber sleeve is disclosed. The rubber sleeve has a rigid support sleeve and a blanket that is wrapped around the support sleeve as well as is firmly connected to the support sleeve. The blanket has at least a two-layer structure with an inner layer embodied as a base layer and an outer layer serving as a functional layer for the printing process, where the butting edges of the blanket are connected to one another via a sealing material, which is introduced in a gap embodied between the butting edges. The sealing material is introduced in the gap embodied between the butting edges while forming a channel.Type: GrantFiled: October 2, 2008Date of Patent: November 1, 2011Assignee: manroland AGInventors: Eduard Hoffmann, Thomas Kandlbinder, Christian Sameit, Georg Schmid
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Publication number: 20090095180Abstract: A rubber sleeve for a printing press and a method for producing a rubber sleeve is disclosed. The rubber sleeve has a rigid support sleeve and a blanket that is wrapped around the support sleeve as well as is firmly connected to the support sleeve. The blanket has at least a two-layer structure with an inner layer embodied as a base layer and an outer layer serving as a functional layer for the printing process, where the butting edges of the blanket are connected to one another via a sealing material, which is introduced in a gap embodied between the butting edges. The sealing material is introduced in the gap embodied between the butting edges while forming a channel.Type: ApplicationFiled: October 2, 2008Publication date: April 16, 2009Applicant: Manroland AGInventors: Eduard HOFFMANN, Thomas Kandlbinder, Christian Sameit, Georg Schmid
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Patent number: 7395759Abstract: The invention relates to a sleeve, particularly a rubber blanket sheath, for a printing machine. The sleeve (10) has a two-layer structure comprising an internal layer designed as support layer (11), and an external layer designed as cover layer (12) and used for the print transfer, with the external or cover layer (12) being connected directly to the internal or support layer (11). A three layer composite sheath also is disclosed.Type: GrantFiled: April 28, 2005Date of Patent: July 8, 2008Assignee: MAN Roland Druckmaschinen AGInventors: Eduard Hoffman, Georg Schmid, Christian Sameit, Angelika Keck
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Publication number: 20070209538Abstract: A rubber sleeve for a printing press includes, an inner layer, which is formed as a base layer, and an outer layer, which is formed as a functional layer and is used to carry out the printing process. The base layer and the functional layer are produced by cylindrical shaping of separate, flat blanks, and arranged so that the abutting edges of the base layer and the abutting edges of the functional layer are circumferentially offset from each other.Type: ApplicationFiled: March 8, 2007Publication date: September 13, 2007Applicant: MAN Roland Druckmaschinen AGInventors: Alfons Grieser, Eduard Hoffmann, Christian Sameit, Georg Schmid
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Publication number: 20070169652Abstract: A sleeve for a cylinder, in particular for a transfer cylinder or a blanket cylinder, of a printing press, having a base body which has at least one layer and a replaceable body which has at least one layer. The base body is connected fixedly to a cylinder of a printing press and the replaceable body can be pulled off, or replaced, from the base body, and thus, the cylinder of the printing press without being destroyed, in particular to carry out changeover work.Type: ApplicationFiled: September 7, 2005Publication date: July 26, 2007Inventors: Eduard Hoffmann, Angelika Keck, Christian Sameit, Georg Schmid
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Patent number: 7240614Abstract: A method for influencing lateral web spreading in a printing unit in a rotary printing press, the printing unit having first and second transfer cylinders contacting each other along a contact zone for receiving a web to be printed on therebetween and undergoing a deflection during operation, and at least one plate cylinder which is respectively settable against one of the first and second transfer cylinders for printing on at least one side of the web receivable in the contact zone.Type: GrantFiled: September 18, 2006Date of Patent: July 10, 2007Assignee: MAN Roland Druckmaschinen AGInventors: Eduard Hoffmann, Christian Sameit, Georg Schmid
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Publication number: 20070006751Abstract: A method for influencing lateral web spreading in a printing unit in a rotary printing press, the printing unit having first and second transfer cylinders contacting each other along a contact zone for receiving a web to be printed on therebetween and undergoing a deflection during operation, and at least one plate cylinder which is respectively settable against one of the first and second transfer cylinders for printing on at least one side of the web receivable in the contact zone.Type: ApplicationFiled: September 18, 2006Publication date: January 11, 2007Inventors: Eduard Hoffmann, Christian Sameit, Georg Schmid
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Patent number: 7127991Abstract: A printing unit for influencing lateral web spreading in particular in rotary presses, which makes constant contact conditions possible across the width in the rubber-rubber nip and improves the lateral-register quality and the web run without using concave or convex blanket cylinders, has a blanket cylinder and plate cylinders which can be set against the former for printing on one or both sides of a web. The web passes through between the blanket cylinders in a contact zone, it either being possible to skew at least one of the blanket cylinders with respect to the respective plate cylinder or it being possible to skew at least one of the plate cylinders with respect to the respective blanket cylinder, for producing a concave velocity profile on the web.Type: GrantFiled: August 4, 2004Date of Patent: October 31, 2006Assignee: MAN Roland Druckmaschinen AGInventors: Eduard Hoffmann, Christian Sameit, Georg Schmid
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Publication number: 20060185537Abstract: A method for positioning a sleeve on a printing-press cylinder includes providing a printing-press cylinder, a sleeve which is to be positioned on the printing-press cylinder, and a polyvinyl alcohol. The polyvinyl alcohol is applied to at least one of an outer surface of the printing-press cylinder and an inner surface of the sleeve. The sleeve is then pushed or pulled onto the printing-press cylinder such that the outer surface of the printing-press cylinder and the inner surface of the sleeve lie confrontingly opposed to one another.Type: ApplicationFiled: February 17, 2006Publication date: August 24, 2006Inventors: Eduard Hoffmann, Christian Sameit, Lorenz Stotz
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Patent number: 7013805Abstract: A rubber cylinder sleeve has a rubber covering with a layer construction which includes, at a distance from the outer surface, compressible layer elements and layer elements which influence the stiffness (S), such as filaments/yarns or fabric structures. The layer elements which influence the stiffness (S), are incorporated uniformly in the circumferential direction but are prestrained to various degrees in a defined manner in the direction of the sleeve axis, so that a stiffness profile is produced across the sleeve width, which profile is symmetrical with respect to the center of the sleeve width.Type: GrantFiled: December 10, 2003Date of Patent: March 21, 2006Assignee: MAN Roland Druckmaschinen AGInventors: Eduard Hoffmann, Christian Sameit, Georg Schmid
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Publication number: 20050241502Abstract: The invention relates to a sleeve, particularly a rubber blanket sheath, for a printing machine. The sleeve (10) has a two-layer structure comprising an internal layer designed as support layer (11), and an external layer designed as cover layer (12) and used for the print transfer, with the external or cover layer (12) being connected directly to the internal or support layer (11). A three layer composite sheath also is disclosed.Type: ApplicationFiled: April 28, 2005Publication date: November 3, 2005Applicant: MAN ROLAND DRUCKMASCHINEN AGInventors: Eduard Hoffman, Georg Schmid, Christian Sameit, Angelika Keck
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Publication number: 20050056171Abstract: A printing unit for influencing lateral web spreading in particular in rotary presses, which makes constant contact conditions possible across the width in the rubber-rubber nip and improves the lateral-register quality and the web run without using concave or convex blanket cylinders, has a blanket cylinder and plate cylinders which can be set against the former for printing on one or both sides of a web. The web passes through between the blanket cylinders in a contact zone, it either being possible to skew at least one of the blanket cylinders with respect to the respective plate cylinder or it being possible to skew at least one of the plate cylinders with respect to the respective blanket cylinder, for producing a concave velocity profile on the web.Type: ApplicationFiled: August 4, 2004Publication date: March 17, 2005Inventors: Eduard Hoffmann, Christian Sameit, Georg Schmid
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Patent number: 6792857Abstract: An apparatus and method for storing rubber-covered cylinder sleeves for offset printing for rotary printing machines permits an identified rubber-covered cylinder sleeve to be found easily. The apparatus is equipped with an electronic memory device into which, for each rubber-covered cylinder sleeve, characteristic data can be entered and stored. As the rubber-covered cylinder sleeve is introduced into a storage, the characteristic data from the rubber-covered cylinder sleeve are read into the memory device, and the rubber-covered cylinder sleeve can be removed from the storage apparatus in accordance with predefined data.Type: GrantFiled: October 9, 2001Date of Patent: September 21, 2004Assignee: MAN Roland Druckmaschinen AGInventors: Christian Sameit, Georg Schmid
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Publication number: 20040118307Abstract: A rubber cylinder sleeve has a rubber covering with a layer construction which comprises, at a distance from the outer surface, compressible layer elements (3) and layer elements which influence the elasticity (S), such as filaments/yarns or fabric structures. The layer elements which influence the elasticity (S), are incorporated uniformly in the circumferential direction but are incorporated in a manner prestrained to various degrees in a defined manner in the direction of the sleeve axis, so that an elasticity profile is produced across the sleeve width, which profile is designed to be symmetrical with respect to the center of the sleeve width.Type: ApplicationFiled: December 10, 2003Publication date: June 24, 2004Applicant: MAN Roland Druckmaschinen AGInventors: Eduard Hoffmann, Christian Sameit, Georg Schmid
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Publication number: 20020056392Abstract: An apparatus and method for storing rubber-covered cylinder sleeves for offset printing for rotary printing machines permits an identified rubber-covered cylinder sleeve to be found easily. The apparatus is equipped with an electronic memory device into which, for each rubber-covered cylinder sleeve, characteristic data can be entered and stored. As the rubber-covered cylinder sleeve is introduced into a storage, the characteristic data from the rubber-covered cylinder sleeve are read into the memory device, and the rubber-covered cylinder sleeve can be removed from the storage apparatus in accordance with predefined data.Type: ApplicationFiled: October 9, 2001Publication date: May 16, 2002Applicant: MAN Roland Druckmaschinen AGInventors: Christian Sameit, Georg Schmid