Abstract: A device for applying a treatment substance to a running paper web or board web (11) by means of at least one curtain applicator (2.1, 2.2) comprising a curtain coating die for applying the treatment substance to an applicator roll (6, 7) which, together with a second roll (6, 7), creates a treatment nip (15) in which the treatment substance is transported from the applicator roll (6, 7) to the respective side of the paper web or board web (11), and the curtain coating die has a slot adjustment (3.1, 3.2) for adjusting an exit slot (14.1, 14.2). To provide a device for applying treatment substances which improves the paper/board quality differently prepared treatment substances can be supplied to the at least one curtain coating die, and the curtain applicator (2.1, 2.2) combines the two operating modes of a film operation mode and a sump operation mode by providing an electrically and/or mechanically actuable adjusting device for the slot adjustment (3.1, 3.2) applied to the exit slot (14.1, 14.

Abstract: Device for smoothing a paper or board web (9) with at least one nip (6) formed between two rolls (3, 4), wherein at least one of the rolls (3) for controlling a thickness transverse profile of the paper or board web (9) in the web transverse direction is a deflection-adjustable and zone-controlled roll (3) for setting a line load distribution over the roll width which can be selected in the at least one nip (6), wherein the at least one nip (6) is provided for smoothing the thickness transverse profile of the paper or board web (9) by means of an adjustable line load profile and simultaneously introducing a treatment medium (2) into the paper or board web (9), for which purpose at least one coater (1) having a delivery nozzle (8) for applying application medium (2), in particular starch, is arranged in such a way that the application of the treatment medium (2) to at least one of the two rolls (3, 4) of the nip (6) is provided and is designed for indirect application of the treatment medium (2) to at least on

Abstract: Device for applying a treatment substance (2.1, 2.2), in particular starch, on at least one side of a running product web (13), in particular a paper or board web, by means of a least one curtain coater (1.1, 1.2) having a discharge nozzle (14.1, 14.2) and at least one press nip (N) following the curtain coater (1.1, 1.2) for forming a hydraulic pressure when the product web (13) passes through a press nip (N) which is formed by one of two rotating press rolls and which causes the treatment substance (2.1, 2.2) to penetrate into the product web (13), wherein the at least one press nip (N) is equipped with at least one heated applicator roll (7, 8) as a press roll to increase the penetration of the treatment substance (2.1, 2.2) into the product web (13), and at least one of the two press rolls (8) is designed with a fixed or adjustable crown (16) for the adjustment of a line load in a range of 20 to 200 kN/m.

Abstract: Device for applying a treatment substance (2.1, 2.2), in particular starch, on at least one side of a running product web (13), in particular a paper or board web, by means of a least one curtain coater (1.1, 1.2) having a discharge nozzle (14.1, 14.2) and at least one press nip (N) following the curtain coater (1.1, 1.2) for forming a hydraulic pressure when the product web (13) passes through a press nip (N) which is formed by one of two rotating press rolls and which causes the treatment substance (2.1, 2.2) to penetrate into the product web (13), wherein the at least one press nip (N) is equipped with at least one heated applicator roll (7, 8) as a press roll to increase the penetration of the treatment substance (2.1, 2.2) into the product web (13), and at least one of the two press rolls (8) is designed with a fixed or adjustable crown (16) for the adjustment of a line load in a range of 20 to 200 kN/m.

Abstract: Method for producing wet-laid non-woven fabrics, with which an aqueous suspension comprising fibres is laid down on a screen and is dewatered using suction boxes under the screen to form a sheet of non-woven web which is removed from the screen and guided to at least one subsequent treatment unit before the non-woven web can be wound, and transferring of the non-woven web from the screen to the at least one subsequent treatment unit and/or transferring of the non-woven web to interfaces between treatment units on the start of production and/or after an interruption in production, using a web feed, wherein web is fed via a temporarily closed draw of a free draw between the screen and the at least one subsequent treatment unit and/or of a free draw at an interface between treatment units, and the respective temporarily closed draw is produced via air flows, which lift off an end feeding strip as part of the running non-woven web by blowing, adhere same to a transport path device by generating negative pressure

Abstract: Method for producing wet-laid non-woven fabrics, with which an aqueous suspension comprising fibres is laid down on a screen and is dewatered using suction boxes under the screen to form a sheet of non-woven web which is removed from the screen and guided to at least one subsequent treatment unit before the non-woven web can be wound, and transferring of the non-woven web from the screen to the at least one subsequent treatment unit and/or transferring of the non-woven web to interfaces between treatment units on the start of production and/or after an interruption in production, using a web feed, wherein web is fed via a temporarily closed draw of a free draw between the screen and the at least one subsequent treatment unit and/or of a free draw at an interface between treatment units, and the respective temporarily closed draw is produced via air flows, which lift off an end feeding strip as part of the running non-woven web by blowing, adhere same to a transport path device by generating negative pressure

Abstract: A gas sensor is for determining at least one physical quantity of a gas, e.g., an exhaust gas of an internal combustion engine, the gas sensor having a sensor element that is fixed in a housing of the gas sensor by a seal assembly. The seal assembly includes a sealing element, which has a ceramic and/or a metallic material. After the heat treatment, the sealing element has a maximum decrease in volume of 5 percent, or an increase in volume, based on the volume of the sealing element prior to the heat treatment.

Abstract: Curtain coater for discharging coating medium in the form of a curtain moving substantially under the force of gravity onto a moving paper or board web, comprising a hopper (1), which has a cavity (7) extending along a discharge width, to which the coating medium is fed via at least two feed lines (12) which each have a device for adjusting the volume flow of coating medium fed in, and a flow channel (6) which discharges the coating medium via an outer slot as a curtain, wherein the flow channel (6) is broken down into a large number of individual widening guide channels (6.1 to 6.n) of a diffuser block which, on the inlet side, adjoin a cavity (7) subdivided along the discharge width, at least in some regions, into sections (7.1 to 7.n), each of these sections (7.1 to 7.n) being connected to a feed line (12) and having a pitch which spans a plurality of guide channels (6.1 to 6.n) of the diffuser block.

Abstract: Curtain coater for discharging coating medium in the form of a curtain moving substantially under the force of gravity onto a moving paper or board web, comprising a hopper, which has a first cavity extending along a discharge width, to which the coating medium is fed via at least one feed line, and a metering channel which discharges the coating medium via an outlet slot as a curtain, wherein the metering channel (2) is broken down into a large number of individual guide channels which, on the inlet side and along the discharge width, adjoin the first cavity (1) with pipe sections (2.1) spaced apart from one another, it being possible for the lengths and opening widths of the pipe sections (2.1) to be chosen in order to even out the flow resistance along the discharge width, and, in the flow direction (S), the pipe sections (2.1) in each case changing into a diffuser (2.2) for the sectional flows from the guide channels to be led together on the outlet side.

Abstract: Vacuum belt conveying device for guiding a moving web, in particular a web threading strip of a paper or board web, having an air-permeable transport belt guided endlessly in a loop with an upper run and a lower run, and a device arranged within the loop for applying a vacuum to the inner side of one of the runs of the transport belt in order to hold the web firmly on the transport belt, in which the device for applying a vacuum is formed by means of at least one long-gap ejector, which in each case has an air jet injector having a large number of air outlet nozzles along the inlet side of the long gap and, on the inlet side, is positioned at a distance under the inner side of the run which is provided to hold the web firmly.

Abstract: A sensor for determining a physical property such as the concentration of a gas component or the temperature of a measuring gas, e.g., the exhaust gas of internal combustion engines, has a sensor element which is secured in a housing and is surrounded at an end section on the measuring gas side by a protective tube and surrounded at an end section on the connection side by a protective sleeve, and also has a radially projecting flange for securing the sensor on a sealing seat formed on a measuring gas duct. To reduce manufacturing costs, the flange is molded onto the protective tube as one piece. The protective tube is manufactured as a deep-drawn part, and a trimming edge remaining after deep drawing on the end side is used as a securing flange.

Abstract: A measurement sensor for determining a physical property of a measurement gas, e.g., the concentration of a gas component or the temperature of a measurement gas, in particular of the exhaust gas of internal combustion engines, has a housing and a sensor element accommodated in the housing. The sensor element has an end segment at the measurement gas side that protrudes from the housing and a connection-side end segment that bears at least one contact surface. The sensor element also has at least one conductor element that contacts the at least one contact surface. In order to achieve low transition resistances at the electrical contacting and a decoupling from mechanical stress, the contact surface and the conductor element are connected to one another by welding, and are embedded in a ceramic compound at least in the area of the welded connection.

Abstract: A gas sensor is for determining at least one physical quantity of a gas, e.g., an exhaust gas of an internal combustion engine, the gas sensor having a sensor element that is fixed in a housing of the gas sensor by a seal assembly. The seal assembly includes a sealing element, which has a ceramic and/or a metallic material. After the heat treatment, the sealing element has a maximum decrease in volume of 5 percent, or an increase in volume, based on the volume of the sealing element prior to the heat treatment.

Abstract: A gas sensor is for determining at least one physical quantity of a gas, e.g., an exhaust gas of an internal combustion engine, the gas sensor having a sensor element that is fixed in a housing of the gas sensor by a seal assembly. The seal assembly includes a sealing element, which has a ceramic and/or a metallic material. After the heat treatment, the sealing element has a maximum decrease in volume of 5 percent, or an increase in volume, based on the volume of the sealing element prior to the heat treatment.

Abstract: Vacuum belt conveying device for guiding a moving web, in particular a web threading strip of a paper or board web, having an air-permeable transport belt guided endlessly in a loop with an upper run and a lower run, and a device arranged within the loop for applying a vacuum to the inner side of one of the runs of the transport belt in order to hold the web firmly on the transport belt, in which the device for applying a vacuum is formed by means of at least one long-gap ejector, which in each case has an air jet injector having a large number of air outlet nozzles along the inlet side of the long gap and, on the inlet side, is positioned at a distance under the inner side of the run which is provided to hold the web firmly.

Abstract: Electrical connecting lines of a sensor element are anchored by friction locking, specifically using an annularly closed spring element which clamps the connecting lines against contact surfaces on the sensor element using pressure bodies.

Abstract: A sensor for determining a physical property such as the concentration of a gas component or the temperature of a measuring gas, e.g., the exhaust gas of internal combustion engines, has a sensor element which is secured in a housing and is surrounded at an end section on the measuring gas side by a protective tube and surrounded at an end section on the connection side by a protective sleeve, and also has a radially projecting flange for securing the sensor on a sealing seat formed on a measuring gas duct. To reduce manufacturing costs, the flange is molded onto the protective tube as one piece. The protective tube is manufactured as a deep-drawn part, and a trimming edge remaining after deep drawing on the end side is used as a securing flange.

Abstract: A measurement sensor for determining a physical property of a measurement gas, e.g., the concentration of a gas component or the temperature of a measurement gas, in particular of the exhaust gas of internal combustion engines, has a housing and a sensor element accommodated in the housing. The sensor element has an end segment at the measurement gas side that protrudes from the housing and a connection-side end segment that bears at least one contact surface. The sensor element also has at least one conductor element that contacts the at least one contact surface. In order to achieve low transition resistances at the electrical contacting and a decoupling from mechanical stress, the contact surface and the conductor element are connected to one another by welding, and are embedded in a ceramic compound at least in the area of the welded connection.

Abstract: Described is a connecting line for a measuring sensor, in particular for a measuring sensor for determining a physical property of a gas to be measured, such as the temperature or the oxygen concentration in the exhaust gas of internal combustion engines, including a jacket tube, at least two electrical conductors disposed in the jacket tube and further including insulating means which electrically insulate the electrical conductors from each other and from the jacket tube.

Abstract: A connecting lead for a sensor, in particular for a sensor for determining a physical property of a measured gas, e.g. for determining the temperature or oxygen content in the exhaust gas of internal combustion engines, is described, said sensor comprising a sheathing tube, at least two electrical conductors extending in the sheathing tube, and an insulating arrangement that insulates the electrical conductors from one another and from the sheathing tube. To allow the use of unsheathed bare metal wires as electrical conductors, and avoid short circuits on the one hand between the metal wires and on the other hand between the metal wires and the sheathing tube, especially upon bending of the metal tube during installation, the insulating arrangement has a plurality of insulating elements, braced against one another, that have at least two through holes through each of which one electrical conductor is guided.