Abstract: An arrangement for motorized assistance in movement of manually movable components of medical apparatuses is provided. The arrangement includes at least one torque sensor that is arranged in a drivetrain of a movable component of a medical apparatus. The at least one torque sensor detects the moments occurring in the drivetrain in a stationary state and in motion. Using an evaluation unit, the torque detected by the at least one torque sensor may be compared against a predefinable first threshold value. The first threshold value is predefined according to a possible position of the movable component. The arrangement includes a drive unit, by which the drive of the drivetrain may be provided with motorized assistance when the first threshold value is exceeded.

Abstract: An arrangement for motorized assistance in movement of manually movable components of medical apparatuses is provided. The arrangement includes at least one torque sensor that is arranged in a drivetrain of a movable component of a medical apparatus. The at least one torque sensor detects the moments occurring in the drivetrain in a stationary state and in motion. Using an evaluation unit, the torque detected by the at least one torque sensor may be compared against a predefinable first threshold value. The first threshold value is predefined according to a possible position of the movable component. The arrangement includes a drive unit, by which the drive of the drivetrain may be provided with motorized assistance when the first threshold value is exceeded.

Abstract: A patient support table is provided. The patient support table includes a table plate that may be moved manually or by at least one motor having a control facility. At least one sensor is provided on the table plate. The at least one sensor is operable to determine a force exerted by a user on the table plate for table plate movement and produce a sensor signal. The at least one sensor is operable to communicate with the control facility of the motor. The control facility is operable to control the motor as a function of the sensor signal that is based on a predetermined reference force value such that the reference force value is not exceeded during the table movement.

Abstract: A patient support table is provided. The patient support table includes a table plate that may be moved manually or by at least one motor having a control facility. At least one sensor is provided on the table plate. The at least one sensor is operable to determine a force exerted by a user on the table plate for table plate movement and produce a sensor signal. The at least one sensor is operable to communicate with the control facility of the motor. The control facility is operable to control the motor as a function of the sensor signal that is based on a predetermined reference force value such that the reference force value is not exceeded during the table movement.

Abstract: A multilayered article is disclosed, which includes, in sequence: (1) a substrate (S), e.g., of thermoplastic polycarbonate; (2) a scratch-resistant layer (SR); and (3) a top layer (T). The scratch-resistant layer is prepared by curing a scratch-resistant coating composition comprising a polycondensate prepared from at least one silane, said polycondensate being prepared by a sol-gel process.

Abstract: A dielectric capacitor having self healing properties is disclosed. The capacitor includes a film made of an amorphous aromatic copolycarbonate having a weight average molecular weight of at least 10,000 and a glass transition temperature of at least 160° C. In a preferred embodiment the copolycarbonate includes structural units derived from bisphenol TMC. Also disclosed is a process for making the film.

Abstract: A process for the production of polycarbonate molded article having low dust attraction is disclosed. the process entails treating at least a portion of the surface of a molded article by at least one procedure selected from the group consisting of flame treatment, corona treatment and plasma treatment to obtain a treated surface.

Abstract: An agent suitable for imparting antistatic properties to plastics is disclosed. The incorporation of small amounts of perfluoroalkylsulfonic acid salt in plastic resins, notably thermoplastic resins was found to be effective for this purpose.

Abstract: A transparent heat-absorbent multi-layer structure comprising, (A) a first layer, and (B) a second layer is described. The first layer (A) contains at least one organic infrared absorber (e.g., a phthalocyanine) and at least one ultraviolet absorber (e.g., a benzotriazole), and the second layer (B) contains at least one ultraviolet absorber and is substantially free of organic infrared absorbers. The first layer (A) is the only layer in the multi-layer structure that contains an organic infrared absorber. Also described is a method of preparing the multi-layer structure. Molded articles that may comprise the multi-layer structure of the present invention include glazings, such as automotive glazings.

Abstract: The present invention provides UV-stable polycarbonates, optionally mixed with known aromatic polycarbonates, the production and use thereof, wherein the polycarbonates contain terminal groups of the formula (Ia)

Abstract: A process for the production of a layer system that is non-fogging and scratch resistant is disclosed. The layer system includes a substrate (S), one or more scratch-resistant layers (SR) and a non-fogging top layer (T). The process entails (a) applying one or more of at least partially cured coating composition to the substrate (S), the composition comprising a sol-gel produced polycondensate based on silane, to form a scratch-resistant layers (SR) and (b) subjecting the surface of the exposed scratch-resistant layer (SR) to flaming with simultaneous deposition of a layer which substantially comprises a compound of silicon, aluminium, titanium, indium, zirconium, tin and/or cerium to produce a non-fogging top layer (T).

Abstract: The present invention provides a coating which contains a primer layer on a substrate with a scratch resistant layer adhered to the primer, wherein the primer layer contains a hardened epoxy resin prepared from a hardener and a multi epoxy-functional compound and the scratch resistant layer contains an epoxide group containing hydrolyzable silane. The coating may find use in coated products such as sheets, spectacles, optical lenses, automobile screens and plastic spray screens.

Abstract: A multilayered article is disclosed, which includes, in sequence: (1) a substrate (S), e.g., of thermoplastic polycarbonate; (2) a scratch-resistant layer (SR); and (3) a top layer (T). The scratch-resistant layer is prepared by curing a scratch-resistant coating composition comprising a polycondensate prepared from at least one silane, said polycondensate being prepared by a sol-gel process.

Abstract: Disclosed is a process for preparing a multilayered coated article that includes in sequence, a substrate (S), a surface treated silane based scratch-resistant layer (R), and a silane based topcoat layer (T). The scratch-resistant layer (R) is formed by applying a scratch-resistant coating composition onto the substrate, and at least partially curing the applied scratch-resistant coating composition. The scratch-resistant coating composition comprises a polycondensate prepared by a sol-gel process from at least one silane. The surface of the scratch-resistant layer is treated by flame, corona and/or plasma treatment. The topcoat layer is formed by applying a topcoat coating composition to the surface-treated scratch-resistant layer, and curing the applied topcoat coating composition.

Abstract: A layered structure comprising in sequence a substrate, a scratch-resistant layer and a covering layer is disclosed. The scratch-resistant layer contains an at least partially cured polycondensate of a first reaction mixture that contains at least one silane, and the covering layer contains a cured polycondensate of a second reaction mixture that contains a silane compound having at least one non-hydrolyzable substituent that carries an epoxy group. The invention finds applicability for the uniform coating of three-dimensional substrates, especially motor vehicle windows.

Abstract: A process or preparing a coating composition which involves forming a hydrolysis product is described.

Abstract: Transparent moldings comprising a polymeric base material and at least one coating formed thereon is disclosed. The coating includes a primer coat that containing an epoxy and/or acrylic resin is disposed on at least one surface of the base material, a heat-absorbing coating which contains a polythiophene compound and a scratch-resistant coating. In an additional embodiment of the invention, the coating contains no primer and the heat absorbing coating contains a polythiophene compound.

Abstract: An imaging medical examination apparatus, particularly an X-ray apparatus, has an electric motor for the drive of a movable component. The rotor of the motor is blocked when no drive current is supplied into the electric motor. The electric motor is a sliding rotor motor. The use of a self-inhibiting gearing can be foregone.

Abstract: The present invention provides a coating which contains a primer layer on a substrate with a scratch resistant layer adhered to the primer, wherein the primer layer contains a hardened epoxy resin prepared from a hardener and a multi epoxy-functional compound and the scratch resistant layer contains an epoxide group containing hydrolyzable silane. The coating may find use in coated products such as sheets, spectacles, optical lenses, automobile screens and plastic spray screens.

Abstract: The invention concerns a film as a dielectric in capacitors having self-healing properties and a process for producing such a film.