Patents by Inventor Norbert Grittner
Norbert Grittner 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).
-
Publication number: 20230191772Abstract: A plate cylinder for multiple mounting of flexographic printing plates is provided. The plate cylinder has an outer circumferential surface and a longitudinal axis. It comprises an adhesion layer attached to the plate cylinder, the adhesion layer comprising a carrier sheet with a mounting surface side facing the plate cylinder and an adhesion surface side facing radially outwards in relation to the longitudinal axis; and a plurality of adhesion elements. Each of these adhesion elements includes an elongated body extending radially outwards in relation to the longitudinal axis and an end face for attaching the printing plate by an adhesive bond, wherein the end faces of the adhesion elements form the adhesion surface side.Type: ApplicationFiled: April 6, 2021Publication date: June 22, 2023Applicant: tesa SEInventors: Stefan Wulf, Norbert Grittner
-
Patent number: 11312889Abstract: An autohesive polymer material that includes: at least one polymer having at least two terminal silyl groups of the Formula (1) given by: Si(R1)a(R2)b??(1). Each of the radicals R1 comprises an alkyl, alkenyl or aryl group or a hydrogen atom. Each of the radicals R2 comprises a group that can be eliminated with water, b is 1, 2 or 3, and a is 3?b. The polymer material further includes at least one condensation catalyst. Further, the polymer material is chemically precrosslinked and further crosslinkable with moisture. In addition, the polymer material is configured for use as a layer body that can be applied to a substrate. The polymer material of this kind can also be used for producing permanent bonds.Type: GrantFiled: July 7, 2020Date of Patent: April 26, 2022Assignee: tesa SEInventors: Marten Papenbroock, Sven Heidsieck, Björn Zeysing, Tobias Winkler, Norbert Grittner, Friederike Kettling
-
Publication number: 20210009878Abstract: An autohesive polymer material that includes: at least one polymer having at least two terminal silyl groups of the Formula (1) given by: Si(R1)a(R2)b??(1). Each of the radicals R1 comprises an alkyl, alkenyl or aryl group or a hydrogen atom. Each of the radicals R2 comprises a group that can be eliminated with water, b is 1, 2 or 3, and a is 3?b. The polymer material further includes at least one condensation catalyst. Further, the polymer material is chemically precrosslinked and further crosslinkable with moisture. In addition, the polymer material is configured for use as a layer body that can be applied to a substrate. The polymer material of this kind can also be used for producing permanent bonds.Type: ApplicationFiled: July 7, 2020Publication date: January 14, 2021Applicant: tesa SEInventors: Marten Papenbroock, Sven Heidsieck, Björn Zeysing, Tobias Winkler, Norbert Grittner, Friederike Kettling
-
Patent number: 9708769Abstract: Method for uniform coating of a composition onto a carrier material in web form, through the use of a coating apparatus comprising at least one element A, that forms with a further element B a nip ahead of which the composition is held up, and that moves relative to the element B in such a way that a rotating body of composition is developed and the composition is conveyed into the nip; comprising introduction of the composition into the intake region of the nip, the application of the composition to a carrier material in web form in the nip or after the composition has travelled through the nip, and which limits the longitudinal extent E of the nip intake region fully fillable by the body of composition.Type: GrantFiled: March 30, 2015Date of Patent: July 18, 2017Assignee: TESA SEInventors: Norbert Grittner, Matthias Lehder, Karsten Kuss
-
Patent number: 9505959Abstract: The invention relates to a process for preparing homogeneously crosslinked polymers, in which at least one crosslinker is added to a polymer in the melt, in which the polymer is further processed from the melt, and in which a thermal crosslinking reaction is brought about by means of the crosslinker, with at least part of the crosslinking reaction taking place after the further processing at a temperature below the melting temperature of the polymer, characterized in that the crosslinker comprises an at least difunctional compound, at least one of the functional groups being an oxazoline group, and the polymer contains functional groups which, at a temperature below the melting temperature of the polymer, are able to react with the oxazolines in a linking reaction in the sense of the thermal crosslinking reaction.Type: GrantFiled: November 25, 2009Date of Patent: November 29, 2016Assignee: tesa SEInventors: Norbert Grittner, Sven Hansen, Alexander Prenzel, Stephan Zöllner
-
Publication number: 20150292157Abstract: Method for uniform coating of a composition onto a carrier material in web form, through the use of a coating apparatus comprising at least one element A, that forms with a further element B a nip ahead of which the composition is held up, and that moves relative to the element B in such a way that a rotating body of composition is developed and the composition is conveyed into the nip; comprising introduction of the composition into the intake region of the nip, the application of the composition to a carrier material in web form in the nip or after the composition has travelled through the nip, and which limits the longitudinal extent E of the nip intake region fully fillable by the body of composition.Type: ApplicationFiled: March 30, 2015Publication date: October 15, 2015Inventors: Norbert GRITTNER, Matthias LEHDER, Karsten KUSS
-
Publication number: 20140170326Abstract: Crosslinker-accelerator system for the thermal crosslinking of polyacrylates with functional groups suitable for entering into linking reactions with cyclic ethers, more particularly epoxide groups or oxetane groups, comprising at least one substance containing epoxide or oxetane groups (crosslinker) and at least one substance with an accelerating action for the linking reaction at a temperature below the melting temperature of the polyacrylate (accelerator).Type: ApplicationFiled: December 23, 2013Publication date: June 19, 2014Applicant: tesa SEInventors: Norbert Grittner, Sven Hansen, Alexander Prenzel, Stephan Zöllner
-
Publication number: 20110274843Abstract: Crosslinker-accelerator system for the thermal crosslinking of polyacrylates with functional groups suitable for entering into linking reactions with cyclic ethers, more particularly epoxide groups or oxetane groups, comprising at least one substance containing epoxide or oxetane grouops (crosslinker) and at least one substance with an accelerating action for the linking reaction at a temperature below the melting temperature of the polyacrylate (accelerator).Type: ApplicationFiled: October 16, 2009Publication date: November 10, 2011Applicant: TESA AKTIENGESELLSCHAFTInventors: Norbert Grittner, Sven Hansen, Alexander Prenzel, Stephan Zöllner
-
Publication number: 20100137524Abstract: The invention relates to a process for preparing homogeneously crosslinked polymers, in which at least one crosslinker is added to a polymer in the melt, in which the polymer is further processed from the melt, and in which a thermal crosslinking reaction is brought about by means of the crosslinker, with at least part of the crosslinking reaction taking place after the further processing at a temperature below the melting temperature of the polymer, characterized in that the crosslinker comprises an at least difunctional compound, at least one of the functional groups being an oxazoline group, and the polymer contains functional groups which, at a temperature below the melting temperature of the polymer, are able to react with the oxazolines in a linking reaction in the sense of the thermal crosslinking reaction.Type: ApplicationFiled: November 25, 2009Publication date: June 3, 2010Applicant: TESA SEInventors: Norbert Grittner, Sven Hansen, Alexander Prenzel, Stephan Zöllner
-
Publication number: 20070184263Abstract: Adhesive tape having a backing material applied to at least one side of which is an adhesive, in particular a pressure-sensitive adhesive, the backing material having a support backing composed of a polymeric film or of paper, and having a binder layer disposed between support backing and a layer of adhesive, characterized in that set into the binder layer in the lengthwise direction and entirely surrounded by the binder layer are non-twisted and non-tangled individual filaments.Type: ApplicationFiled: October 11, 2006Publication date: August 9, 2007Applicant: TESA AGInventors: Ilse Rodewald, Petra Yun, Andreas Wahlers-Schmidlin, Norbert Grittner
-
Publication number: 20070184735Abstract: Adhesive tape having a backing which comprise integrated fibers or filaments for added strength, the cut edge of which is serrated.Type: ApplicationFiled: March 17, 2006Publication date: August 9, 2007Applicant: tesa AGInventors: Petra Yun, Ralf Schliephacke, Norbert Grittner, Michael Schwertfeger, Ulrich Otten
-
Publication number: 20070184242Abstract: Adhesive tape having a backing material applied to at least one side of which is an adhesive, in particular a pressure-sensitive adhesive, the backing material being composed of a laminate of at least one supporting film and one slitted film, characterized in that the slitted film has at least one slit extending in the machine direction of the adhesive tape.Type: ApplicationFiled: November 2, 2006Publication date: August 9, 2007Applicant: TESA AGInventors: Ilse Rodewald, Norbert Grittner, Petra Yun, Michael Rohl, Siegfried Krupke, Michael Schwertfeger
-
Patent number: 7252111Abstract: Apparatus far equilibrating differences between flow rates into and out of closed pipeline systems, which apparatus includes a tank having a supply line and a discharge unit, with a displaceable plate; the supply being fed to the tank through the displaceable plate, the discharge from the tank being through an outlet at the bottom of the tank and the plate moving upwards or downwards to automatically change the volume of the tank in accordance with differences between the supply rate and the discharge rate.Type: GrantFiled: May 17, 2001Date of Patent: August 7, 2007Assignee: tesa AktiengesellschaftInventors: Sven König, Hermann Neuhaus-Steinmetz, Ulrich Reiser, Norbert Grittner
-
Publication number: 20040241435Abstract: Adhesive masking tape having a preferably stretchable paper backing and an adhesive coating thereon, the paper backing produced as follows:Type: ApplicationFiled: April 8, 2004Publication date: December 2, 2004Applicant: Tesa AGInventors: Norbert Grittner, Dieter Zielske, Petra Morbel
-
Publication number: 20030175420Abstract: A process for producing adhesive tapes in which an adhesive tape coated with an adhesive is subjected to radiation-chemical crosslinking, especially electron beam crosslinking, irradiation taking place from the side coated with pressure-sensitive adhesive, the acceleration voltage during irradiation being chosen so that the amount of the drop in dose between the adhesive surface facing the radiation source and the surface turned away from it is greater than 40% of the level of dose irradiated on the adhesive surface facing the radiation source.Type: ApplicationFiled: January 21, 2003Publication date: September 18, 2003Inventor: Norbert Grittner