An application nozzle for applying a viscous material to workpieces has a nozzle body, through which an application duct extends from a material inlet to a material outlet. The nozzle body has, in a first spatial direction, a width greater than a thickness in a second spatial direction perpendicular to the first direction. The application channel widens towards the outlet in the first direction. A nozzle holder has a main body and two clamping plates. A material feed duct extends through the main body, leading into the inlet at a feed opening. The clamping plates, bearing on opposite nozzle body side faces, fix the nozzle body releasably to the main body. The clamping plates are separate components fixed releasably to the main body and the nozzle body, and/or the nozzle body has two nozzle plates bearing flat against one another, with at least one duct portion between the nozzle plates.

A device for a lacquer transfer includes a frame, transfer roller with a circumferential lateral wall, drive unit for rotating the transfer roller, and slit nozzle with a muzzle end for dispensing lacquer. The slit nozzle includes a first nozzle-part, second nozzle-part and deformation unit. The deformation unit is attached to the first nozzle-part, the lateral wall passing in a rotation direction subsequently the deformation unit and the muzzle end during transfer unit rotation. The lateral wall of the transfer roller is deformed by the deformation unit in the radial direction resulting in a deformation section of the lateral wall in the rotation direction behind the deformation unit, the muzzle end of the slit nozzle arranged for dispensing lacquer into depressions of the lateral wall. The transfer roller can roll with the outside contact surface on a work surface of a work piece for transferring lacquer from the depressions to the work surface of the work piece.

A slot die coating apparatus according to one embodiment of the present disclosure includes: a slot die containing a first die block and a second die block, and a sensor unit for measuring the flow rate of an electrode active material slurry which is discharged through a discharge port formed by the coupling of the first die block and the second die block, wherein the sensor unit is formed inside the first die block, and the sensor unit is connected to the discharge port via an energy dissipation part and an energy absorption part.

Provided is a manufacturing method of an electrode, wherein productivity is improved by preventing a short circuit forming between a positive electrode and negative electrode even when an overhang occurs during manufacture of an electrode assembly. The present technology includes a step of forming an electrode active material layer and a resistance layer, by applying a resistance layer composition including inorganic additives and an electrode slurry, including an electrode active material on a current collector; a step of drying the current collector in which the electrode active material layer and resistance layer are formed; and a step of forming the electrode in which an electrode tab is formed at one end by notching the dried current collector and the method of forming the electrode active material layer and resistance layer is performed by one slot die in which two discharge ports are formed.

Disclosed are various embodiments for a contrast road marking apparatus and method for applying contrasting thermoplastic markings to a roadway in a single pass. The contrast road marking apparatus includes two or more ribbon guns configured to apply a first thermoplastic marking to a roadway surface area and a second thermoplastic marking, which comprises a color that contrasts with a color of the first thermoplastic marking, to another roadway surface area. The resulting contrast road marking has no visible or substantially negligible overlap or gap between the individual thermoplastic markings.

The present invention relates to an electrode capable of preventing detachment of an active material during a notching process and a process of using the electrode, and to a method for manufacturing same, wherein the electrode has a structure in which an electrode active material layer is formed on a current collector having an electrode tab formed at one end thereof, and a binder layer is formed between the current collector and the electrode active material layer, wherein the binder layer is formed at both ends of the current collector.

An electrode coating device includes a front surface coating part, which is provided on a traveling path of a current collector, for coating a slurry on the front surface of the current collector, a back surface coating part, which is provided on the traveling path, for coating the slurry on the back surface of the current collector passing through the front surface coating part, and a guide roll including a core part having a rotating shaft, and a surface part surrounding the core part and formed of a material different from that of the core part, and transferring the current collector in a state where the back surface of the current collector faces the back surface coating part. A guide roll is also provided.

A method of producing a battery electrode includes dispensing a pasty coating material by a coating installation onto a surface of a moving substrate, wherein the coating installation includes a switchable slotted valve, a feed device that feeds the pasty coating material to the slotted valve, and a slotted nozzle that adjoins the slotted valve and dispenses the pasty coating material onto the surface to be coated therewith; the switchable slotted valve includes a valve bore incorporated into a valve basic body, oriented in a valve direction of extent and having an inner circumferential surface, a feed duct arranged in a region of the inner circumferential surface of the valve bore and opens into the valve bore, a nozzle duct arranged in the region of the inner circumferential surface, a valve sleeve arranged in the valve bore, and a control rod arranged in the valve bore.

An object of the present invention is to obtain a secondary battery that allows grasping a position of a mixture layer on an electrode and facilitates adjustment of positions of a positive electrode and a negative electrode. A secondary battery (100) of the present invention includes a negative electrode (32) that includes a strip-shaped copper foil (45) having both surfaces, negative electrode mixture layers (32a) on both the surfaces, a negative electrode foil exposed portion (32b), and insulating layers (31). The negative electrode foil exposed portion (32b) where the copper foil (45) is exposed is formed in an end portion on one side in a width direction of the copper foil (45). The insulating layers (31) are disposed on the negative electrode mixture layers (32a) and on the negative electrode foil exposed portion (32b). The insulating layer (31) includes a window portion (31a) at a position corresponding to a boundary part between the negative electrode mixture layer (32a) and the negative electrode foil exposed portion (32b). An end portion of the negative electrode mixture layer (32a) is visually recognizable from the window portion (31a).

Provided is: an organopolysiloxane cured film that is superior as a thin film and, in terms of flatness, has significantly superior smoothness and flatness at the film surface, in addition to generally having high dielectric breakdown strength against a load voltage; along with a usage and manufacturing method therefor. The organopolysiloxane cured film, in which an arithmetic average height (Sa) of the film surface is less than 0.50 μm, while an average thickness at the center of the film is within a range of 1 to 20 μm. It is possible to obtain such a film by a manufacturing method including a die coating step in which a slot die is used to coat a curable organopolysiloxane composition on a continuously traveling substrate supported between a pair of support rolls by means of a tension support system.