Patent application number | Description | Published |
20080200106 | Composite abrasive bodies - Composite abrasive bodies, which include abrasive product supports, abrasive particles and cured adhesives bonding the abrasive product supports and the abrasive products, are provided. The cured adhesives may be two-component polyurethane or (meth)acrylate adhesives. In addition, methods for preparing the composite abrasive bodies are also provided. | 08-21-2008 |
20080251204 | Reactive Polyurethane-Hot Melt Adhesive Having a Low Isocyanate-Monomer Content - The invention relates to relates to moisture-hardened hot melt adhesive which contains at least one polyurethane polymer of formula (I) which comprises aldimine groups and which is solid at room temperature, in addition to at least one polyurethane polymer P which comprises isocyanate groups, if q in formula (I) represents zero, or if X in formula (I) represents N—R | 10-16-2008 |
20080262131 | One-Component Aqueous Dispersion Adhesive - The invention relates to one-component aqueous dispersion adhesives containing at least one copolymer A of monomers ethylene, vinyl acetate and, optionally, at least one (meth)acrylate and either at least one polyurethane with carboxyl groups and carbodiimide groups PUR-COOH-CDI or a mixture of a polyurethane with carboxyl groups PUR-000H and with a carbodiimide CDI. These dispersion adhesives are particularly well-suited for use as laminating adhesives and sealing adhesives. The invention also relates to the precoating of flat materials with a one-component aqueous dispersion adhesive. | 10-23-2008 |
20100183863 | FOAM CURABLE BY HEAT - A foam is disclosed that can be cured by heat having, for example, 10 to 80 vol. % of at least one gas and a compound that can be cured by heat. The foam can include at least one polyurethane polymer and at least one curing agent that can be activated by increased temperature. Foams that can be cured are suitable as flues, sealing compounds, or for the production of coatings, and can be cured by heat for structural adhesive bonds and for lining in vehicle construction. | 07-22-2010 |
20100291368 | MOISTURE-CURING HOT-MELT ADHESIVE COMPOUND CONTAINING POLYALDIMINE - The present invention relates to moisture-reactive hot-melt adhesive compounds, comprising at least one polyurethane polymer P which is solid at room temperature and which has isocyanate groups, at least one polyaldimine ALD of the formula (Ia) or (Ib), and at least one acid K in the form of an organic monocarbon acid, or dicarbon acid, or an organic monosulphonic acid, or disulphonic acid, or a compound which can be hydrolyzed to give one of these acids. These hot-melt adhesive compounds cure without bubbles and exhibit exceptionally quick crosslinking speed and good strength after crosslinking. | 11-18-2010 |
20110250012 | ROADWAY SEALING AND METHOD FOR ITS PRODUCTION - A method is disclosed for manufacturing a roadway structure. To provide a good bond between plastic film and a bitumen-based support layer, an adhesive layer is provided that includes at least one fibrous material layer and one thermoplastic that is solid at room temperature. This method can allow for a rapid and efficient formation of a roadway structure. | 10-13-2011 |
20120171466 | HOT-MELT ADHESIVES WITH IMPROVED ADHESION ON LOW-ENERGY SURFACES - A hot-melt adhesive composition, the use thereof, and a composite body including the hot-melt adhesive composition. The hot-melt adhesive composition includes a polyolefin P, which is solid at 25° C., a soft resin WH with a softening point between −10° C. and 40° C., and a polar modified polyolefin wax PW. | 07-05-2012 |
20120325394 | METHOD AND DEVICE FOR APPLYING PROTECTIVE FILM CONSISTING OF A HOT-MELT ADHESIVE - The invention relates to a single-ply protective film that is devoid of a supporting material and consists of a hot-melt adhesive. Said film can be rapidly and easily applied. The invention also relates to a method for applying said film and to a corresponding device. | 12-27-2012 |
20130212967 | USE OF POLYOLEFIN SEALING FILMS COATED WITH NON-REACTIVE HOT-MELT ADHESIVE FOR SEALING - The invention relates to a process for sealing an above-ground or underground construction. In particular it involves the use of non-reactive hot melt adhesives and flexible polyolefin films. This procedure in particular has the advantages that good and long-lasting adhesion can be achieved very quickly, and that in particular by using polyolefin strips coated with non-reactive hot melt adhesives, insulating strips can be obtained simply which are non-tacky at room temperature and can be processed and bonded easily at the construction site. | 08-22-2013 |
20130212968 | THE USE OF ADHESIVE-COATED POLYVINYLCHLORIDE SEALING FILMS FOR PRODUCING A SEAL - This invention relates to a process for sealing an above-ground or underground structure. It involves in particular the use of non-reactive dispersion adhesive compounds. This process in particular has the advantage that good and long-lived adhesion can be achieved very quickly, and that in particular the non-reactive dispersion adhesives that are used have a small tendency to absorb the plasticizers present in the PVC sealing film, so that as a result this process is best suited to assure long-lasting adhesion of PVC films with various substrates. | 08-22-2013 |
20130340368 | USE OF POLYOLEFIN MEMBRANES BEING COATED BY NON-REACTIVE HOTMELT ADHESIVES FOR SEALING - The invention relates to a process for sealing an above-ground or underground construction. In particular it involves the use of non-reactive hot melt adhesives and flexible polyolefin films. This procedure in particular has the advantages that good and long-lasting adhesion can be achieved very quickly, and that in particular by using polyolefin strips coated with non-reactive hot melt adhesives, insulating strips can be obtained simply which are non-tacky at room temperature and can be processed and bonded easily at the construction site. | 12-26-2013 |
20140124135 | METHOD FOR PRETREATING MOLDED ARTICLES MADE OF PLASTIC MATRIX-FIBER COMPOSITES - A method for gluing of shaped bodies made of fiber composite compositions containing a plastic matrix KFZ with polyurethane compositions, the method including: a) application of IR radiation to a defined region of the shaped body of KFZ; b) application of a polyurethane composition to the defined region of the shaped body; c) bonding of the polyurethane composition on the defined region of the shaped body to a substrate; and d) curing of the polyurethane composition. The method is distinguishable by a rapid strengthening (early strength) of the polyurethane composition, so that the bond produced with its use can be machined or stressed already a short time after the application of the polyurethane composition. | 05-08-2014 |
Patent application number | Description | Published |
20110073636 | Method and device for welding workpieces made of high-temperature resistant super Alloys - A method of welding workpieces of high-temperature superalloys is provided. Welding filler is applied in a plurality of layers to a surface of the workpiece via a heat input zone and a supply zone for supplying the welding filler into the heat input zone. The heat input zone and the supply zone on the one hand and the workpiece surface on the other hand are moved in relation to one another. A polycrystalline weld seam is generated by remelting a previously applied layer of the plurality of layers. Welding parameters are chosen such that a cooling rate during a solidifying of the material is at least 8000 Kelvins per second. Further, a welding apparatus for carrying out such a method is provided. | 03-31-2011 |
20110089150 | Method and Apparatus for Welding Workpieces of High-Temperature Superalloys - A welding apparatus for welding workpieces of high-temperature superalloys is provided. The welding apparatus includes a heat source for producing a heat input zone on the workpiece surface, a supplying device for supplying welding filler into the heat input zone and a transporting device for producing a relative movement between the heat source and the supplying device on the one hand and the workpiece surface on the other hand. The welding apparatus further includes a control unit with a control program, which carries out the relative movement in such a way that the welding power and the diameter of the heat input zone are set such that the cooling rate during the solidifying of the material is at least 8000 Kelvins per second. | 04-21-2011 |
20120103950 | WELDING METHOD AND COMPONENT - A process for welding a component in which a recess is filled by welding tracks is provided. The process includes providing a recess with a contour which delimits an outer upper surface of the component with respect to the recess. The welding tracks are laid such that the welding tracks also reach the surface outside a contour of the recess and that a plurality of welding layers are used in order to fill the recess until a last layer protrudes completely beyond the surface. | 05-03-2012 |
20120267347 | Method for welding workpieces made of highly heat-resistant superalloys, including a particular mass feed rate of the welding filler material - A welding method for welding workpieces made of highly heat-resistant superalloys is provided. The method includes generating a heat input zone on the workpiece surface by means of a heat source, feeding welding filler material into the heat input zone by means of a feeding device, and generating a relative motion between the heat source and the feeding device on one hand and the workpiece surface on the other hand by means of a conveying device. Furthermore, according to the welding method, the mass feed rate is ≦350 mg/min. | 10-25-2012 |
20120285933 | MONOCRYSTALLINE WELDING OF DIRECTIONALLY COMPACTED MATERIALS - A method for directionally compacting a weld seam during build-up welding is provided. The method is used for the build-up welding of a component substrate that is compacted in a directional manner and comprises dendrites which extend in a substrate dendrite direction. The method parameters with respect to feed, laser power, weld beam diameter, powder beam focus and/or powder mass flow are designed such that they result in a local orientation of the temperature gradient to the solidification front, which is smaller than 45° with respect to the substrate dendrite direction of the dendrites in the substrate, wherein the relative speed is between 30 mm/mm and 100 mm/mm, and/or the power is between 200 W and 500 W, and/or the diameter of the laser beam on the surface of the substrate is between 3 mm and 6 mm, and/or the mass feed rate is between 30 mg/mm and 600 mg/mm. | 11-15-2012 |
20140123890 | SINGLE-CRYSTAL WELDING OF DIRECTIONALLY COMPACTED MATERIALS - A process for welding directionally solidified metallic materials is presented. Process parameters are targeted selected with respect to laser welding, advancement, laser power beam diameter and powder mass flow. The temperature gradient, which is fundamentally decisive for the single-crystal growth during laser cladding, may be set in a targeted manner. | 05-08-2014 |
Patent application number | Description | Published |
20090031544 | Operating Method for Improving the Running Behavior of Gearwheels and Burnishing Device for Performing the Method - An operating method improves the running behavior of gearwheels negatively noticed upon gearwheel testing and is performed by a burnishing device. The gearwheels that were rejected from the production process may be optimized rapidly and in a targeted way so that they may be returned back into the production process. The tooth flanks of a gearwheel to be machined are, in a first method step, mechanically freed of particles adhering to the surfaces of the tooth flanks or slight protrusions protruding therefrom using a first gearwheel machining tool having a machining wheel coated with an abrasive agent. Subsequently, in a second method step in a second gearwheel machining tool known as a burnishing machine, the gearwheel is chucked between gearwheel-shaped rolling tools, the so-called burnishing wheels, and rolled without material abrasion. | 02-05-2009 |
20090035086 | Method of Operating a Gearwheel Machining Tool - In a method of operating a gearwheel machining tool having a machining wheel situated on a drive axis, for reworking a gearwheel, a fixed axial distance between both wheels is set. In this manner, the engagement of the gearwheel in the teeth of the machining wheel may be performed without damage in a technically simple way, which is achieved in that the gearwheel to be machined is placed on the arbor in an arbitrary rotational angle position, tooth areas of its lateral external faces facing toward the machining wheel coming to rest on lateral tooth areas of the machining wheel, upon which the machining wheel is set into rotation and the gearwheel to be machined slides axially on the arbor into its machining position. After which the tooth gaps of the two overlapping areas of the wheels are rotated one over the other and the wheels are mutually engaged. | 02-05-2009 |