Patents Assigned to tesa AG
  • Method of wrapping elongate material, especially cable harnesses, with a sheath
    Publication number: 20070071976
    Abstract: A method of wrapping elongate material with a sheath having first and second single-sideded adhesive tapes the tapes laminated to one another with an offset, a free edge of the first adhesive tape aligned parallel to the center axis such that, relative to the center axis of the material, the adhesive of the first adhesive tape lies outwards, the first adhesive tape of the sheath guided by the free edge onto the material, and wound around the material so that the first adhesive tape essentially completely envelopes the material, the second adhesive tape also wound around the material, the exposed adhesive of the second adhesive tape bonding to the exposed adhesive of the first adhesive tape, so that the material is surrounded by at least two plies of adhesive tape.
    Type: Application
    Filed: August 14, 2006
    Publication date: March 29, 2007
    Applicant: tesa AG
    Inventors: Andreas Wahlers-Schmidlin, Thomas Friedrich, Frank Lange
  • Adhesive tape and use thereof for bonding printing blankets
    Publication number: 20070059470
    Abstract: The adhesive tapes (20) for sticking together printing blankets on a metallic retaining bar or metal rail during a printing process. The adhesive tapes are composed of at least one layer (25), a release liner, and of a melt pressure-sensitive adhesive layer (30) that is applied to said release liner layer on one side. Both sides of the release line layer (25) have the same or different release.
    Type: Application
    Filed: December 17, 2003
    Publication date: March 15, 2007
    Applicant: tesa AG
    Inventors: Marc Husemann, Renke Bargmann
  • Solvent-free production method for producing acrylate pressure-sensitive adhesive substances
    Publication number: 20070055032
    Abstract: Method for the continuous polymerization of acrylic monomers to polyacrylates in an extruder and in the presence of polymerization regulators
    Type: Application
    Filed: May 18, 2004
    Publication date: March 8, 2007
    Applicant: tesa AG
    Inventors: Jessica Langenbuch, Klaus Massow, Stephan Zollner
  • Polyacrylate-containing adhesive mass and article corresponding hotmelt processing method
    Publication number: 20070021545
    Abstract: Pressure-sensitive adhesive comprising a polyacrylate prepared by polymerizing a monomer mixture comprising N-tert-butylacylamide, and subsequently mixing with a mono- or di-valent salt.
    Type: Application
    Filed: May 30, 2003
    Publication date: January 25, 2007
    Applicant: Tesa AG
    Inventors: Marc Husemann, Stephan Zollner
  • Protective material with punched shaped parts
    Patent number: 7160594
    Abstract: A protective material with punched shaped parts, obtainable in a converting process for producing single-sidedly or double-sidedly adhesive punched shaped parts, there being placed atop the protective material a single-sidedly or double-sidedly adhesive tape from which punched shaped parts are punched out by means of punching tools, in particular by the kiss-cut process, wherein the protective material comprises a backing sheet in the form of a colored polymer backing possessing essentially a top and a bottom face, the coloring being obtained by means of colorants in the interior of the backing sheet which do not give rise to any abrasive action on the punching tools, or wherein the backing sheet in the protective material in this case is a polymer backing which has essentially a top and a bottom face, with a color layer applied to the top and/or the bottom face of the polymer backing.
    Type: Grant
    Filed: February 21, 2002
    Date of Patent: January 9, 2007
    Assignee: Tesa AG
    Inventors: Andreas Wieck, Reinhard Storbeck
  • Method for the continuous production of polymers made of vinyl compounds by substance and/or solvent polymerisation
    Publication number: 20060287443
    Abstract: Production of vinyl polymers by the polymerization of vinyl monomers in a planetary gear extruder.
    Type: Application
    Filed: May 18, 2004
    Publication date: December 21, 2006
    Applicant: tesa AG
    Inventors: Sven Konig, Jessica Langenbuch, Klaus Massow, Stephan Zollner
  • Method for cross-linking polyacrylates
    Patent number: 7144604
    Abstract: Method for producing a polyacrylate adhesive compound by a hot-melt method in which a polyfunctional ?-cleaving initiator, which is present as an oligomer, is added to the polymer to be crosslinked prior to the hot-melt method and ultraviolet crosslinking is carried out after treatment in the hot-melt method.
    Type: Grant
    Filed: August 18, 2001
    Date of Patent: December 5, 2006
    Assignee: tesa AG
    Inventors: Marc Husemann, Stephan Zöllner, Kai Tom Wörden
  • Method of wrapping elongate material, especially cable harnesses, with a sheath
    Patent number: 7132028
    Abstract: A method of wrapping elongate material with a sheath having first and second single-sideded adhesive tapes the tapes laminated to one another with an offset, a free edge of the first adhesive tape aligned parallel to the center axis such that, relative to the center axis of the material, the adhesive of the first adhesive tape lies outwards, the first adhesive tape of the sheath guided by the free edge onto the material, and wound around the material so that the first adhesive tape essentially completely envelopes the material, the second adhesive tape also wound around the material, the exposed adhesive of the second adhesive tape bonding to the exposed adhesive of the first adhesive tape, so that the material is surrounded by at least two plies of adhesive tape.
    Type: Grant
    Filed: June 22, 2005
    Date of Patent: November 7, 2006
    Assignee: tesa AG
    Inventors: Andreas Wahlers-Schmidlin, Thomas Friedrich, Frank Lange
  • METHOD OF WRAPPING ELONGATE MATERIAL, ESPECIALLY CABLE HARNESSES, WITH A SHEATH
    Publication number: 20060231192
    Abstract: A method of wrapping elongate material with a sheath having first and second single-sideded adhesive tapes the tapes laminated to one another with an offset, a free edge of the first adhesive tape aligned parallel to the center axis such that, relative to the center axis of the material, the adhesive of the first adhesive tape lies outwards, the first adhesive tape of the sheath guided by the free edge onto the material, and wound around the material so that the first adhesive tape essentially completely envelopes the material, the second adhesive tape also wound around the material, the exposed adhesive of the second adhesive tape bonding to the exposed adhesive of the first adhesive tape, so that the material is surrounded by at least two plies of adhesive tape.
    Type: Application
    Filed: June 22, 2005
    Publication date: October 19, 2006
    Applicant: tesa AG
    Inventors: Andreas Wahlers-Schmidlin, Thomas Friedrich, Frank Lange
  • Redetachable device
    Patent number: 7121515
    Abstract: A redetachable self-adhesive device a) whose reverse face is bonded with a strip of a double-sidedly adhering adhesive sheet in such a way that one end of the adhesive sheet projects beyond the device as a grip tab, b) the adhesive sheet is such that the bond made with it is redetachable by stretching pulling on the grip tab of the strip in the direction of the bond plane, wherein c) on its reverse face (2) the device (1), in the region (3A, 3B) situated against the grip tab (6) of the adhesive sheet strip (5) or and also partly against the free adhesive composition, has an average roughness Ra of 0.4–25 ?m.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: October 17, 2006
    Assignee: tesa AG
    Inventors: Achim Franck, Andreas Junghans, Bernd Lühmann, Thorsten Krawinkel
  • Surface protecting film for painted surfaces, comprising polyurethane-based pressure-sensitive composition
    Patent number: 7112371
    Abstract: A self-adhesive surface protective film, particularly for automobile paint surfaces, having a backing layer and a self-adhesive layer based on a crosslinked polyurethane, characterized in that the loss angle tan ? of the polyurethane at room temperature in the frequency interval from 10?1 to 102 rad/sec rises or remains at the same level.
    Type: Grant
    Filed: May 25, 2001
    Date of Patent: September 26, 2006
    Assignee: TESA AG
    Inventors: Uwe Schümann, Nicolai Böhm, Ulrike Wappler, Ingolf Schütz, Johannes Steinforth, Jobst-Waldemar Klemp, Ingo Neubert, Bernhard Müssig
  • Adhesive tape
    Patent number: 7108220
    Abstract: An adhesive tape (1) for flying reel change, having a) a carrier (2), on whose upper side a self-adhesive compound (3) is arranged, and b) on whose underside a cleavable system (6A) is arranged, having a paper carrier (7) which, on one side, is adhesively bonded by means of a self-adhesive compound (8) to the underside of the carrier (2), and which on the other side has a self-adhesive compound (9), wherein c) at a distance (W) of 3–50 mm from the cleavable system (6A), a further cleavable system (6B) is arranged, again having a paper carrier (7) which, on one side, is adhesively bonded by means of a self-adhesive compound (8) to the underside of the carrier (2) and which, on the other side, has a self-adhesive compound (9).
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: September 19, 2006
    Assignee: tesa AG
    Inventors: Christoph Nagel, Thomas Gassner
  • Transparent acrylate adhesive mass comprising a filler
    Publication number: 20060205835
    Abstract: Transparent acrylate pressure-sensitive adhesive comprising a filler, the acrylate-pressure sensitive adhesive comprising a polyacrylate and particles of silicate and/or of silica gel. The particles of silicate and/or of silica gel have a size of not more than 50 nm. The acrylate pressure-sensitive adhesive is prepared by a process in which acrylates and comonomers are polymerized in the presence of at least one organic solvent or in bulk, the particles of silicate and/or of silica gel being mixed in before or after the polymerization.
    Type: Application
    Filed: November 24, 2003
    Publication date: September 14, 2006
    Applicant: TESA AG
    Inventors: Marc Husemann, Stephan Zollner
  • Double-sided adhesive tape and its use
    Patent number: 7101615
    Abstract: Double-sided adhesive tape (fixer) which can be re-released without residue or destruction for hidden bonding on substrates that are to be bonded, with high peel strength, high shear strength and high tip-shear strength, characterized by a) an intermediate support which cleaves under the action of torsional forces, lever forces and/or peel forces, b) pressure-sensitive adhesive composition coated on both sides of the intermediate support, which composition can be released without residue or destruction by stretching in the direction of the bond plane.
    Type: Grant
    Filed: May 6, 1998
    Date of Patent: September 5, 2006
    Assignee: Tesa AG
    Inventors: Bernd Lühmann, Andreas Junghans, Ulrich Otten
  • Easy-to-tear wrapping tape
    Publication number: 20060182950
    Abstract: An easy-to-tear halogen-free wrapping tape, comprised of a film layer and of an adhesive layer the film layer containing a copolymer of (a) ?-olefin of formula R—CH?CH2, in which R represents hydrogen or an alkyl radical having 1 to 10 carbon atoms; (b) an ?,?-ethylenically unsaturated carboxylic acid comprised of 3 to 8 carbon atoms, and; (c) optionally containing an additional monoethylenically unsaturated monomer; 10 to 90% of the carboxylic acid groups of the copolymer being substituted by neutralizing with metal ions.
    Type: Application
    Filed: November 20, 2003
    Publication date: August 17, 2006
    Applicant: TESA AG
    Inventors: Petra Yun, Bernhard Mussig
  • Adhesive tape for joining the start of a new paper roll to the end of an old, expiring paper roll
    Patent number: 7086627
    Abstract: An adhesive tape for splicing together two web materials comprises a first adhesive layer and a second adhesive layer both on the same face of a backing, wherein the first adhesive layer and the second adhesive layer overlap one another.
    Type: Grant
    Filed: December 17, 2002
    Date of Patent: August 8, 2006
    Assignee: Tesa AG
    Inventors: Harald Kehler, Bernhard Gebbeken, Christoph Nagel, Klaus Kleinhoff
  • Method for the production of cross-linkable acrylate contact adhesive materials
    Patent number: 7084185
    Abstract: Process for preparing crosslinked pressure ensitive adhesives, in which a plyacrylate is prepared by the free radical copolymericzation of a monomer mixture , the polyacrylate is then concentrated and the concentrated polyacrylate is reacted with further monomers having functional groups and subsequently crosslinking.
    Type: Grant
    Filed: June 15, 2001
    Date of Patent: August 1, 2006
    Assignee: tesa AG
    Inventors: Marc Husemann, Stephan Zöllner, Nico Diamantis
  • Adhesive security tape that allows to detect unathorized opening of a packaging
    Patent number: 7083840
    Abstract: A multilayer adhesive tape having a backing based on an oriented thermoplastic film, whose upper face is coated, if desired, with a release coating and to whose lower face the following layers have been applied: a) a primer layer which is not applied over the full area and which anchors very well to the thermoplastic film, b) a release layer which is applied over the full area of the applied primer layer, and the free thermoplastic film surface, the release layer anchoring better to the primer layer than to the thermoplastic film, c) a pressure-sensitive adhesive composition which is applied over the full area of the release layer and which is anchored better on the release layer than the release layer on the thermoplastic film, d) the release layer consisting of a styrene-butadiene latex and at least one further component.
    Type: Grant
    Filed: June 13, 2001
    Date of Patent: August 1, 2006
    Assignee: Tesa AG
    Inventors: Thomas Monschein, Ulrike Sutter
  • Self-adhesive article
    Publication number: 20060154098
    Abstract: A self-adhesive article made from a sheet or strip support at least partly coated on at least one side with a pressure-sensitive adhesive material based on polyacrylate, comprising at least one polyacrylate block copolymer with a sequence of hard polymer blocks [P(A)], having a glass transition temperature of not more than 10° C., preferably of 0 to ?80° C. and of soft polymer blocks [P(B)], having a glass transition temperature of more than 10° C., preferably 20 to 175° C. A microstructuring is thus generated, which permits the exchange of the smallest adhering and non-adhering regions and thus generates the desired easily stuck and easily removed adhesive action such as required for self-adhesive note pads.
    Type: Application
    Filed: November 11, 2003
    Publication date: July 13, 2006
    Applicant: tesa AG
    Inventors: Thilo Dollase, Marc Husemann
  • Adhesive security tape for detecting unauthorized broaching of a package
    Patent number: 7060353
    Abstract: An adhesive tape having a backing of oriented thermoplastic film, to whose lower face the following layers are applied: a) a partial primer layer which is anchored to the thermoplastic film, b) a first release layer applied over the partial primer layer, and any thermoplastic film, the release layer anchoring better to the primer layer than to the thermoplastic film, c) at least one second release layer applied over the first release layer, the second release layer(s) anchoring better to the previous release layer than the first release layer to the thermoplastic film, d) a pressure-sensitive adhesive layer applied over the last release layer and anchoring better to the last release layer than the first release layer to the thermoplastic film and the adhesive layer is adhered to a pressure-sensitive base than the first release layer to the thermoplastic film.
    Type: Grant
    Filed: June 13, 2001
    Date of Patent: June 13, 2006
    Assignee: Tesa AG
    Inventors: Ulrich Otten, Dieter Wenninger