Patents Assigned to Tesa SE
  • Publication number: 20240132756
    Abstract: The invention relates to a multilayer adhesive strip comprising a carrier layer and at least one adhesive layer arranged on the carrier layer, wherein the carrier layer comprises a syntactically foamed plastic; the adhesive layer comprises a syntactically foamed adhesive compound; the adhesive compound comprises one or more polymers selected from the group consisting of poly(meth)acrylates and synthetic rubbers; and the syntactically foamed plastic and the syntactically foamed adhesive compounds comprise a plurality of expanded microballoons.
    Type: Application
    Filed: February 23, 2022
    Publication date: April 25, 2024
    Applicant: tesa SE
    Inventors: Thilo DOLLASE, Hans Peter GRAEF, Michael MAYER, Anika PETERSEN, Thomas SCHUBERT
  • Publication number: 20240131643
    Abstract: An application device for joining adhesive-tape sections that includes: a holder assembly having a plurality of holding devices that are movable relative to one another, each holding device configured to hold an adhesive-tape section such that a first main joining surface, a first end joining surface, and a second end joining surface of the adhesive-tape section are exposed; and a plurality of actuators. Further, each of the holding devices is configured for movement between first and second joining configurations. In the first joining configuration, each holding device holds an adhesive-tape section and each of the adhesive-tape sections are spaced apart from one another. In the second joining configuration, each holding device holds an adhesive-tape section wherein the first end joining surface of the adhesive-tape section bears against the second end joining surface of another adhesive-tape section, thus defining a continuous and closed adhesive adhesive-tape web.
    Type: Application
    Filed: February 24, 2022
    Publication date: April 25, 2024
    Applicant: tesa SE
    Inventor: Deniz Nick Akin
  • Patent number: 11965121
    Abstract: The present disclosure relates to an adhesive tape and to a method for jacketing an elongated item, more particularly cable sets. The adhesive tape comprises a tapelike carrier provided on at least one side with an adhesive layer which consists of a self-adhesive, pressure-sensitive adhesive, characterized in that the self-adhesive pressure-sensitive adhesive is a UV-curable composition comprising, based on the total weight of the composition: 15 to 50 parts by weight of matrix polymer; 50 to 85 parts by weight of epoxy resin; 0.1 to 3 parts by weight of photoinitiator, with the matrix polymer forming a self-supporting film in which epoxy resin and photoinitiator are embedded.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: April 23, 2024
    Assignee: TESA SE
    Inventors: Kerstin Klingeberg, Lars Guldbrandsen, Nadine Wedel, Heike Simonis, Christian Schuh
  • Publication number: 20240124749
    Abstract: The invention relates to an adhesive tape for jacketing elongated items such as more particularly leads or cable sets, comprising a tapelike carrier provided on at least one side with a curable adhesive, characterized in that the adhesive tape is further provided on one side of the tapelike carrier with a release layer of carbamate.
    Type: Application
    Filed: October 14, 2022
    Publication date: April 18, 2024
    Applicant: tesa SE
    Inventors: Kerstin KLINGEBERG, Olga KIRPICENOK, Hans-Peter GRAEF, Philipp WEGENER, Gerhard BIR
  • Patent number: 11958995
    Abstract: A method is provided for sealing discontinuities in vehicle bodywork, using an at least two-layer adhesive product which comprises at least one thermally activatable adhesive layer and a film layer of a polymeric material, where first the adhesive product is positioned with the adhesive layer onto the discontinuity for sealing, the adhesive layer sealingly wets the discontinuity, optionally after temperature increase, at elevated temperature the thermal activation of the adhesive ensues, characterized in that the adhesive layer used comprises a layer of a thermally activatable adhesive, specifically a layer based on a vulcanizable adhesive, and the thermal activation takes place with vulcanization of the adhesive.
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: April 16, 2024
    Assignee: tesa SE
    Inventors: Sebastian Dietze, Jasmin Flucke, Uwe Schümann, Anna Schubert
  • Publication number: 20240117223
    Abstract: The invention relates to polyvinal aromate-polydiene-block copolymer-based adhesive compounds that contain at least one type of a cationically curable reactive resin and that result, when cured, in improved thermal shear strength. The invention further relates to adhesive strips that contain at least one layer of such an adhesive compound, and a method of production.
    Type: Application
    Filed: February 7, 2022
    Publication date: April 11, 2024
    Applicant: tesa SE
    Inventors: Judith GRUENAUER, Thilo DOLLASE, Bernd LUEHMANN, Jessika GARGIULO
  • Patent number: 11951732
    Abstract: An Adhesive Printing Form Attachment Layer comprises a permanently sticky layer, characterized in that the Adhesive Printing Form Attachment Layer is in the shape of a tube, preferably a seamless tube, and the permanently sticky layer forms at least the outer surface of the tube. The Adhesive Printing Form Attachment Layer can be used to adhesively fix a printing plate, preferably a flexographic printing plate, to a printing cylinder during the printing operation. The Adhesive Printing Form Attachment layer provides for easy replacement and easy installation on a printing sleeve or printing cylinder. Also provided are an assembly, comprising an adhesive printing form attachment layer according to the invention mounted on a printing sleeve, and a method of operating a printing machine, the method comprising forming the assembly by pulling the adhesive printing form attachment layer over the printing sleeve.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: April 9, 2024
    Assignee: tesa SE
    Inventors: Nils Thebud, Tanja Butteriss
  • Publication number: 20240110082
    Abstract: A release liner that can be produced in a few method steps (e.g., a coextrusion step), exhibits very good interlaminate adhesion, and has little tendency to deform and deviate from planarity. The release liner is for use on pressure-sensitive adhesives and comprises: a layer system (POL) comprising one or more layers and comprising in each layer, based in each case on the total weight of the layer, a total of at least 80% by weight of one or more polyolefins, where each layer of the layer system (POL) comprises polypropylene; at least one layer (PEL) comprising, based on the total weight of the layer (PEL), at least 80% by weight of polyethylene; and an anchoring layer that connects each layer (PEL) to the layer system (POL).
    Type: Application
    Filed: September 29, 2023
    Publication date: April 4, 2024
    Applicant: tesa SE
    Inventors: Florian Rettig, Ingo Neubert
  • Publication number: 20240101874
    Abstract: The invention relates to a curable adhesive comprising: a) one or more (co)polymers, b) one or more polymerizable epoxide compounds, c) one or more cationic initiators, and d) one or more dyes, wherein the one or the two or more dyes are selected from the group consisting of Benzoyl-Leuco-Methylene Blue, Leuco-Crystal Violet, Crystal Violet Lactone, Ethyl Violet, Methyl Violet, Methyl Green, Ethyl Green, Nile Blue, 1,4-bis(mesitylamino)anthraquinone and copper phthalocyanine.
    Type: Application
    Filed: September 28, 2023
    Publication date: March 28, 2024
    Applicant: tesa SE
    Inventors: Christian Schuh, Sven Heidsieck, Oleg Brinster, Marten Papenbroock
  • Publication number: 20240106046
    Abstract: Methods clad battery cells and comprise adhesively bonding at least one crosslinkable adhesive layer of a adhesive film and the at least one bottom side of a battery cell, adhesively bonding the at least one crosslinkable adhesive layer of the adhesive film and at least two first side walls of the battery cell, adhesively bonding the at least one crosslinkable adhesive layer of the adhessive film and at least two second side walls of the battery cell, and adhesively bonding the at least one crosslinkable adhesive layer of the adhesive film and at least one top side of the battery cell, wherein the methods further comprise at least partly crosslinking the crosslinkable adhesive layer.
    Type: Application
    Filed: September 22, 2023
    Publication date: March 28, 2024
    Applicant: tesa SE
    Inventors: Christian SCHUH, Sven HEIDSIECK, Alicia LEI GUI
  • Publication number: 20240101871
    Abstract: The invention relates to a curable pressure-sensitive adhesive, comprising, based on the total mass of the curable pressure-sensitive adhesive: a) one or more film-forming (co)polymers in a combined mass fraction in the range from 20% to 60%, b) one or more polymerizable epoxide compounds in a combined mass fraction in the range from 20% to 60%, the epoxide compounds being selected from the group consisting of monomeric and oligomeric epoxide compounds, c) one or more cationic photoinitiators in a combined mass fraction in the range from 0.5% to 7%, and d) one or more epoxy-modified nitrile rubbers in a combined mass fraction in the range from 3% to 30%.
    Type: Application
    Filed: September 28, 2023
    Publication date: March 28, 2024
    Applicant: tesa SE
    Inventors: Christian Schuh, Sven Heidsieck, Oleg Brinster
  • Patent number: 11939500
    Abstract: Diecuts and methods for closing of holes in metal sheets or in plastics parts are disclosed. The diecuts have a carrier composed of an assembly that comprises a metallic first layer having a thickness of 10 to 40 ?m, a second layer of a woven or laid glass fabric having a basis weight of 30 to 200 g/m2, an optional first adhesive third layer, an unexpanded expandable graphite fourth layer having a thickness of at least 0.2 to 3.0 mm, and a second adhesive fifth layer. The expandable graphite being present in the fourth layer to an extent of at least 80 wt % and fifth layer being formed by an adhesive having a basis weight of 300 to 1800 g/m2 and/or a thickness of 400 to 1800 ?m.
    Type: Grant
    Filed: September 28, 2021
    Date of Patent: March 26, 2024
    Assignee: tesa SE
    Inventors: Katja Meyer, Tim Baumann, Christoph Nagel
  • Patent number: 11926769
    Abstract: A reactive PSA film that includes: (a) a polymeric film former matrix; (b) one or more reactive components; and (c) a reagent selected from an initiator, a curing agent and an activator. The component (b) is present at a mass fraction of ?30%, as based on the sum of (a), (b) and (c). Further, ?50 wt % of the film former matrix is a crystallizable polymer which: (i) exhibits a crystallization enthalpy of <1 J/g in a DSC measurement on cooling at 10K/min from at least 30K above a peak temperature of the melting peak of the polymer or ?100° C., whichever is greater; and (ii) exhibits a crystallite fusion enthalpy of ?15 mJ/mg in its pure state in a first heating curve of a DSC measurement at 10K/min and after storage for ?one month from 15 to 25° C. and relative humidity from 30 to 70%.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: March 12, 2024
    Assignee: tesa SE
    Inventors: Klaus Keite-Telgenbüscher, Frank Hannemann, Claudia Moehrke, Stefan Kramp
  • Patent number: 11920066
    Abstract: The invention relates to an adhesive tape, comprising at least one layer of a first, heat-curable adhesive material and, on one of the surfaces of the heat-curable adhesive material layer, a layer of a second, pressure-sensitive adhesive material, characterized in that the second, pressure-sensitive adhesive material is based on one or more unvulcanized rubbers having a saturated carbon chain of the polymethylene type.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: March 5, 2024
    Assignee: tesa SE
    Inventors: Christian Schuh, Yvonne Querdel, Alexander Kutter, Lars Guldbrandsen
  • Patent number: 11913551
    Abstract: Housing seals and methods seal off a housing interior from a housing exterior. The housing seals and methods comprise an elastic adhesive strip that is arranged between a first housing element and a second housing element, wherein the adhesive strip comprises a first end portion having a first edge face, and a second end portion having a second edge face, wherein the adhesive strip and is arranged between the first housing element and the second housing element in such a way that the first and second edge faces lie substantially in a plane, the adhesive strip is arranged between the first housing element and the second housing element in a closed circulation, and the first edge face of the adhesive strip is in contact with the second edge face of the adhesive strip and forms a sealing gap.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: February 27, 2024
    Assignee: TESA SE
    Inventors: Deniz Nick Akin, Wilhelm Watzke, Li Wang, Kim Elsenbach
  • Publication number: 20240059930
    Abstract: A laminate that includes: (i) a first pressure-sensitive adhesive layer, the first layer comprising a block copolymer containing at least one polymer block formed from vinylaromatics and at least one polymer block formed from alkenes; (ii) a metal layer disposed on the first layer; (iii) a blowing agent layer disposed on the metal layer; and (iv) a second pressure-sensitive adhesive layer disposed on the blowing agent layer, the second layer comprising a block copolymer containing at least one polymer block formed from vinylaromatics and at least one polymer block formed from alkenes.
    Type: Application
    Filed: August 18, 2023
    Publication date: February 22, 2024
    Applicant: tesa SE
    Inventors: Shuang Wang, Klaus Keite-Telgenbüscher, Thorsten Krawinkel
  • Patent number: 11898067
    Abstract: The present invention relates to a reactive adhesive film comprising (a) a polymeric film-forming matrix, (b) at least one reactive monomer or reactive resin, and (c) a reagent selected from an initiator, in particular a radical initiator, or an activator, featuring enhanced heat-and-humidity resistance, and to a reactive 2-component adhesive system in film form for bonding diverse materials, such as, for example, metal, wood, glass and/or plastic material.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: February 13, 2024
    Assignee: TESA SE
    Inventors: Uwe Schümann, Clementine Pradier
  • Publication number: 20240018395
    Abstract: Layer constructions allow an adhesive tape to be wound to form a spool simply and with relatively uncomplicated apparatus. At least one layered construction comprises: an adhesive tape comprising at least one outer layer of pressure-sensitive adhesive; a release liner lying on the outer layer of pressure-sensitive adhesive; and an interliner lying on the side of the adhesive tape opposite the outer layer of pressure-sensitive adhesive, at least the side of the interliner facing away from the adhesive tape being adhesively furnished, wherein all layers of the layered construction finish substantially flush with respect to each other. At least one spool comprising a spool core and the at least one layered construction wound crosswise in a plurality of plies on said core, and a method for producing the at least one spool are also disclosed.
    Type: Application
    Filed: October 1, 2021
    Publication date: January 18, 2024
    Applicant: TESA SE
    Inventors: Marco BALBO-BLOCK, Jochen FIENCKE, Martin GEELINK, Marcus MÜLLER
  • Publication number: 20240014486
    Abstract: Methods may seal or seal a continuous clearance in a substrate and comprise a) producing or providing a bonding element comprising: i) an adhesive layer comprising an adhesive, ii) a carrier layer disposed on the adhesive layer and comprising a first carrier ply, and b) adhering the bonding element by means of the adhesive layer to the substrate, so that the bonding element completely covers the continuous clearance and the continuous clearance is fluid-tightly sealed by the bonding element. The bonding element comprises a pressure opening region which is surrounded at least sectionally by a weakening region formed in the carrier layer, the mean thickness of the carrier layer in the weakening region being lower than the mean thickness of the carrier layer in the pressure opening region.
    Type: Application
    Filed: July 10, 2023
    Publication date: January 11, 2024
    Applicant: tesa SE
    Inventors: Magdalena SOMMER, Katja MEYER, Thomas NIEMEYER, Kenny KLOBEDANZ, Jennifer KIPKE
  • Publication number: 20240010886
    Abstract: An adhesive tape that includes: a first adhesive layer defining an upper surface of the tape; a second adhesive layer defining a lower surface of the tape; and a reinforcement layer (or first and second reinforcement layers) and a thermally activated layer between the first adhesive layer and the second adhesive layer. The thermally activated layer is a thermoplastic polymer layer. The thermoplastic layer may be made of ethylene-vinyl acetate copolymer, modified polyolefin, ethylene acrylic acid copolymer, ethylene terpolymer, polyamide copolymer, poly(trans-1,4-isoprene), polyethylene oxide, or a combination thereof. Further, the thermoplastic layer may exhibit a melting point from 60° C. to 150° C. and may have a molecular weight from 1,000 to 1,000,000.
    Type: Application
    Filed: July 11, 2023
    Publication date: January 11, 2024
    Applicant: tesa SE
    Inventors: Jianxin Wang, Min Cao, Shuang Wang