76results about "Investigating moving sheets" patented technology

Provided is a method for the simultaneous determination of parameters, in particular of at least two, three or four parameters, of at least one resin layer applied to at least one carrier material by recording and evaluating at least one NIR spectrum in a wavelength range between 500 nm and 2500 nm, preferably between 700 nm and 2000 nm, more preferably between 900 nm and 1700 nm, and particularly advantageously between 1450 nm and 1550 nm, using at least one NIR measuring head, in particular at least one NIR multimeter head.

The invention relates to a measuring device (22) for inline measurement of the adhesion strength of a coating (16) of an electrode (12), comprising two deflecting rollers (28) and a measuring roller (30), which are aligned with their respective central axes parallel to each other, wherein the measuring roller (30) is configured to be moved in a lateral direction (32) perpendicular to a longitudinal extension direction of the central axes relative to the deflecting rollers (28), wherein the deflecting rollers (28) are configured to be positioned against the same side of the electrode (12) and the measuring roller (30) is configured to be positioned against the other side of the electrode (12), whereby by moving the measuring roller (30) the electrode (12) can be positioned around the measuring roller (30), whereby the electrode (12) has a bend in a test area defined by a radius of the measuring roller (30), and comprising an optical defect detection device (34).which is designed to optically detect and evaluate the area of ​​the electrode (12) to be tested.

The invention relates to a method for detecting a number of corrugated board sheets in a stack, comprising: - detecting a surface modulation in an overlapping shingled stream by means of sensors, - determining the number of corrugated board sheets on the basis of the detected surface modulation, and - outputting the number of corrugated board sheets. The proposed solution also comprises a device for detecting a number of corrugated board sheets in a stack, a computer program product, and a corrugating machine.

To provide a method for calendering an electrode tape, which can achieve higher total facility efficiency.SOLUTION: A method for electrode tape calendering has a calendering process, in which an electrode tape 37 is guided through a roller nip 15 of a pair 9 of rollers of a calendering device 1 while compressing the electrode tape. During the calendering process a defect detection step is carried out, in which at least one defect 39 of the electrode tape is directly or indirectly detected. During the calendering process, a defect is detected during the defect detection step and the pair of rollers is adjusted from a calendering position of the pair of rollers to an open position of the pair of rollers in an opening step, and this is before the defect reaches the roller gap. The defect detection step and / or the opening step is carried out, preferably automatically or fully automatically, via an open-loop and / or closed-loop control system of the calendering device.SELECTED DRAWING: Figure 1

The problem solved by the present invention is to provide a pinhole detection device with an improved accuracy of detecting pinholes. The detection unit of the pinhole detection device includes a plurality of optical fibers that transmit light that has passed through the object to be inspected. The plurality of optical fibers are arranged side by side while facing a light source. When a maximum detectable angle at which the pinhole with respect to an optical axis of the light source is detectable is defined as θ, a maximum angle of incidence of light that can be transmitted by the optical fiber with respect to the optical axis of the light source is set in a range of θ+0° to θ+5°.

Examples include a sheet-fed printing machine including a sheet simultaneous printing unit having two collect cylinders, which are arranged on top of and in contact with one another. The machine includes a simultaneous printing inspection device and a sheet transport means that defines a section of a transport path for sheets. The section includes an inspection region of the simultaneous printing inspection device. The simultaneous printing inspection device includes a sensor device arranged to be aligned with the inspection region and the detection width of which is at least 80% of the working width. A guide device of the sensor device defines a sensor adjustment path provided for movement of the sensor device and that extends from the simultaneous inspection position to a maintenance position of the sensor device, and that extends linearly and parallel to a transverse direction at least between the simultaneous inspection position and the maintenance position.

The present invention relates to a sheet-fed printing press (01) having a sheet-fed simultaneous printing unit (200) having two ink collection rollers (201; 202) that are in contact with each other and stacked on top of each other, wherein the sheet-fed printing press (01) has a working width of at least 50 cm, a simultaneous printing inspection device (31) and a corresponding sheet-fed conveying mechanism (39) that defines segments (38) for a conveying path (09) for the sheet (02), wherein the segments (38) include an inspection area (37) of the simultaneous printing inspection device (31). The simultaneous printing inspection device (31) has a sensor device (32) arranged in the simultaneous inspection position aligned with the inspection area (37), the detection width of the simultaneous printing inspection device being at least 80% of the working width, and a guide device (33) for the sensor device (32) is also arranged therein, the guide device defining a sensor adjustment path for moving the sensor device (32), the sensor adjustment path extending from the simultaneous inspection position to at least the maintenance position of the sensor device (32) and extending in a straight line and parallel to the lateral direction (A) at least between the simultaneous inspection position and the maintenance position.

A base weight measurement system for measuring a base weight of a sheet, the base weight measurement system comprising: a nucleon sensor; an infrared measurement device configured for independently measuring infrared light at at least two spectral regions, where for at least a first of the spectral regions, the spectrum of the measured light is limited such that when the infrared measurement device performs the measurement at the first spectral region, the spectrum of the measured light is limited to the spectrum of the measured light at the second spectral region. The spectral response of the infrared measurement equipment at the wavelength of 1.954 mu m differs from the spectral response of the infrared measurement equipment at the wavelength of 2.1 mu m by at least two times; and an analysis device, the analysis device comprising: a data input interface configured to receive data from the nuclear sensor and the infrared measurement device; and a basic weight determination module configured to determine a basic weight of the sheet by combining data obtained from the nucleon sensor and from the infrared measurement device.

A system and method for processing a dry electrode film comprising a roller system, a terahertz measurement device and a dry electrode powder mixture dispenser, are disclosed. The measurement device may comprise a terahertz source and a terahertz sensor. Such terahertz source may be emitted towards an upper and lower surface of the dry electrode film and reflected back towards the terahertz sensor to measure a physical property of the dry electrode film.

A system and method for processing a dry electrode film comprising a roller system, a terahertz measurement device and a dry electrode powder mixture dispenser, are disclosed. The measurement device may comprise a terahertz source and a terahertz sensor. Such terahertz source may be emitted towards an upper and lower surface of the dry electrode film and reflected back towards the terahertz sensor to measure a physical property of the dry electrode film.

There are provided an inspection device configured to improve the inspection accuracy in an inspection that is performed by taking advantage of spectral analysis, as well as a PTP packaging machine and a calibration method of the inspection device. An inspection device 22 comprises an illumination device 52 configured to irradiate tablets 5 with near-infrared light; and an imaging device 53 configured to disperse reflected light of the near-infrared light that is reflected from the tablets 5 and take an image of the reflected light. The inspection device 22 is configured to perform an analysis process, based on spectroscopic image data obtained by the imaging device 53. The inspection device 22 performs a predetermined arithmetic operation of standard spectroscopic image data obtained in advance by taking an image of an optical spectrum with regard to a predetermined standard plate, so as to determine a characteristic of each pixel row and thereby grasp a wavelength sensitivity characteristic of an imaging element. The inspection device 22 subsequently calculates a correction value with regard to each pixel of standard spectroscopic image data. In the process of an inspection, the inspection device 22 corrects a luminance value of each pixel of inspection spectroscopic image data obtained by taking an image of an inspection object, based on the correction value with regard to the pixel.

A high-resolution optical magnifying inspection device which uses non-collimated light beam (4) for examining small samples (2) measuring only a few mm2 is discussed. The device comprises at least one light source (1), the light source (1) being a real or a virtual light source configured to illuminate a given area of a surface of the sample (2) in at least one illumination plane non-perpendicularly with non-collimated beam (4) of light of selectable polarization state, the light source (1) having a size at least equal to the wavelength of said light, but at most one order of magnitude larger than the wavelength of the light applied. Said device further comprises at least one light receiving means (3) arranged in a light path of light reflected from said area of the sample (2) and / or of transmitted light passing through the sample in an entire thickness thereof in said area of the sample (2), the at least one light receiving means (3) is formed as a screen / position-sensitive detector system configured to detect light intensity distribution at least along a line and arranged in such a way that the light path between the sample (2) and the light receiving means (3) is free of optical elements that affect straight-line propagation of light. Here, a distance (t) between the light source (1) and the sample (2) measured along an optical axis (9) is smaller than a distance (t or t") between the sample (2) and the light receiving means (3) measured along said optical axis (9).

To provide a bending rigidity measurement device that can measure the bending rigidity of a piece of paper without processing the paper to a determined size.SOLUTION: The bending rigidity measurement device includes: an ultrasonic wave device having an oscillation unit for oscillating an ultrasonic wave to a piece of paper and an oscillation reception unit for receiving an ultrasonic wave that has passed through the paper; an electromagnetic induction device having an electromagnetic induction unit located near the paper across a space; a light emitting unit for emitting a near-infrared light to the paper; and a light reception unit for receiving the near-infrared light which has passed through the paper.SELECTED DRAWING: Figure 1

The present invention relates to a sheet printing machine (01) comprising a sheet simultan printing unit (200) having two zammel cylinders (201; 202) arranged vertically and in contact with each other, the sheet printing machine (01) having a working width of at least 50 cm, a simultan printing inspection device (31), and a sheet transport means (39) assigned to the simultan printing inspection device (31), the sheet transport means (39) defining a section (38) of a transport path (09) provided for the sheet (02), the section (38) comprising an inspection area (37) of the simultan printing inspection device (31) The present invention relates to a sheet printing machine (01) having a sensor device (32) having a detection width of at least 80% of the working width, which is positioned at the Simultan inspection position and oriented toward the inspection area (37), and a guide device (33) for the sensor device (32) is provided, which defines a sensor adjustment path provided for moving the sensor device (32), which extends from the Simultan inspection position to at least the maintenance position of the sensor device (32), and extends at least linearly between the Simultan inspection position and the maintenance position and parallel to the lateral direction (A).

The present invention relates to a machine (01) for handling a sheet (02), comprising an inspection device (08;768) for inspecting the sheet (02), and at least one sheet transport means (07;708;709;711;712;713;714), wherein the sheet transport means (07;708;709;711;712;713;714) defines a section (11) of a transport path (09) provided for the sheet (02), the section (11) comprises an inspection area (12), and the sensor device (13) of the inspection device (08;768) The machine (01) is positioned at the inspection position and oriented toward the inspection area (12), and is provided with at least one guide device (21) for the sensor device (13), the guide device (21) defining a sensor adjustment path provided for moving the sensor device (13), the sensor adjustment path extending from the inspection position to at least a first lowering position formed as a maintenance position, and the sensor adjustment path extending at least between the inspection position and the first lowering position in a direction perpendicular to the lateral direction (A).

The present invention relates to a method of determining the quantitative ratio of melamine-formaldehyde resin and urea-formaldehyde resin in at least one paper ply impregnated with a mixture of these resins, wherein the impregnation is conducted in a system for impregnation of at least one paper ply running through the system, comprising the steps of impregnating multiple paper plies with resin mixtures each with different quantitatively defined ratios of melamine-formaldehyde resin and urea-formaldehyde resin as reference samples; recording at least one NIR spectrum of each of the reference samples using at least one NIR measurement head in a wavelength range between 500 nm and 2500 nm, preferably between 700 nm and 2000 nm, especially preferably between 900 nm and 1700 nm, and particularly advantageously between 1450 nm and 1550 nm; assigning the different quantitative ratios of melamine-formaldehyde resin and urea-formaldehyde resin in the reference samples to the recorded NIR spectra of the reference samples mentioned; and creating a calibration model for the correlation between the spectral data of the NIR spectra and the corresponding quantitative ratios of melamine-formaldehyde resin and urea-formaldehyde resin of the reference samples by means of a multivariate data analysis; impregnating at least one paper ply with a resin mixture of melamine-formaldehyde resin and urea-formaldehyde resin; recording at least one NIR spectrum of the impregnated paper ply using the at least one NIR measurement head in a wavelength range between 500 nm and 2500 nm, preferably between 700 nm and 2000 nm, especially preferably between 900 nm and 1700 nm and particularly advantageously between 1450 nm and 1550 nm; and determining the quantitative ratio of melamine-formaldehyde resin and urea-formaldehyde resin in the impregnated paper ply by comparing the NIR spectrum recorded for the impregnated paper ply with the calibration model created.

A system and method for processing a dry electrode film comprising a roller system, a terahertz measurement device and a dry electrode powder mixture dispenser, are disclosed. The measurement device may comprise a terahertz source and a terahertz sensor. Such terahertz source may be emitted towards an upper and lower surface of the dry electrode film and reflected back towards the terahertz sensor to measure a physical property of the dry electrode film.

The utility model discloses inspection equipment for display panels, which comprises an air floating type conveying device and an inspection device, a plurality of conveying assemblies are arranged along a first direction, one conveying assembly comprises at least four and even number of first air floating type conveying plates, all the first air floating type conveying plates in the same group are arranged at intervals along a second direction, and the inspection device is arranged on the first air floating type conveying plates. The inspection position assembly comprises two second air floating type conveying plates and an air knife, the inspection position assembly is arranged between the two adjacent conveying assemblies, the two second air floating type conveying plates are arranged in the second direction, a gap is formed between the two second air floating type conveying plates, and the air knife is arranged on at least one side, in the first direction, of the gap; the inspection device is arranged corresponding to the inspection position assembly, the inspection device can be used for inspecting the display panel supported by the inspection position assembly, and the probability that the display panel collides with the air floating type conveying device is small in the process that the inspection equipment conveys and inspects the display panel.

A moisture sensor detects moisture in an object. A first light-emitting element emits light. A first reflecting member reflects light reflected from the object toward the object. Alight-receiving element receives light that is multiple reflected between the object and the first reflecting member. A controller determines an amount of moisture in the object based on a light reception result from the light-receiving element.

Correlating on-line scanning sensor readings to laboratory test results for the verification of accuracy and repeatability can be facilitated by changing the scanning parameters of the scanner so that it only scans a small portion of the sheet that is to be sampled. This feature makes the sensor's mini-scan readings more relevant and more likely to be a repeatable result. The entire dynamic correlation process achieves more reliable results in a shorter length of time. A technique of operating a continuous sheet making system that includes actuators and a downstream scanning sensor, includes: (a) measuring a sheet physical characteristic of the continuous sheet with the scanning sensor and displaying a cross directional profile of the measurements; (b) selecting a cross directional region within the profile; and (c) measuring the sheet physical characteristic with the scanning sensor within the region. The results from the mini-scanned are compared to laboratory analyses.

An optical sensor includes a light emitting unit configured to emit and output light, a light receiving unit configured to receive light, a substrate on which the light emitting unit and the light receiving unit are mounted, an electrically conductive pattern including a land to be electrically connected to an electrode of the light emitting unit, a resist arranged as a layer above the electrically conductive pattern or the substrate, a light shielding layer provided as a layer above the resist, and a light shielding region formed by a portion of the land and a portion of the light shielding layer overlapping in the direction of the normal of a mounting surface of the substrate, to shield stray light directed towards the substrate from the light emitting unit.

An inspection device (100) for layer material for the manufacture of fuel or battery cells, wherein: - a first layer conveyor (150) is provided and equipped to receive each individual anode or cathode layer (AL, KL) and bring it to a first delivery point (A1); - a stacking table (400) is provided and equipped to receive each individual anode or cathode layer (AL, KL) at the first delivery point (A1) to form a layer stack; - the first layer conveyor (150) is provided and equipped to deliver each individual anode or cathode layer (AL, KL) to the stacking table (400) at the first delivery point (A1);and- a fourth image sensor (K4) is aligned and set up for image acquisition on a fourth area (E4) of the stack of layers consisting of anode and cathode layers (AL, KL) in a planar side view of the stack of layers, after the anode or cathode layer (AL, KL) has been placed on the stacking table (400) on the stack of layers, wherein the fourth area (E4) comprises a corner of an anode or cathode layer (AL, KL) located at the top of the stack of layers and / or a vertical edge (HK) of the stack of layers;and- a fifth image sensor (K5) is aligned and set up for image acquisition on a fifth area (E5) of a stack of anode and cathode layers (AL, KL) in a planar side view of the stack of layers, after the anode or cathode layer (AL, KL) has been placed on the stack of layers on the stacking table (400), wherein the fifth area (E5) comprises a corner of an anode or cathode layer (AL, KL) located at the top of the stack of layers and / or a vertical edge (HK) of the stack of layers; wherein- the fourth area (E4) or the fifth area (E5) of the anode or cathode layer (AL, KL) in the layer surface comprise adjacent or diagonally adjacent areas of the layer stack of anode and cathode layers (AL, KL) in a respective side view of the layer stack;and wherein the inspection device is configured to indicate the (un)suitability of the layer stack depending on a signal based on the processing of an image acquisition from the fourth or fifth image sensor.

The invention relates to a machine (01) for handling sheets (02), said machine (01) having an inspection device (08; 768) for inspecting sheets (02) and at least one sheet transport means (07; 708; 709; 711; 712; 713; 714) which defines a section (11) of a transport path (09) provided for sheets (02), said section comprising an inspection region (12). A sensor device (13) of the inspection device (08; 768) is aligned towards the inspection region (12) in an inspection position, and at least one guide device (21) of the sensor device (13) is provided which defines a sensor adjustment path provided for moving the sensor device (13), said adjustment path extending from the inspection position at least to a first parked position designed as a maintenance position, wherein the sensor adjustment path extends orthogonally to a transverse direction (A) at least between the inspection position and the first parked position.

A method may include measuring, by an NIR device, a first near-infrared (NIR) spectrum at an edge of a composite panel formed using a blend of paper fragments and plastic fragments, measuring, by the NIR device, a second NIR spectrum at the edge of the composite panel, aggregating, by a controller of the NIR device, the first and second spectra to obtain an aggregated spectrum, and comparing the aggregated spectrum to calibration data to determine a plastic composition of the composite panel.

The invention relates to a machine (01) for handling sheets (02), said machine (01) having at least one inspection device (08; 768) for inspecting sheets (02), wherein the machine (01) has at least one sheet transport means (07; 708; 709; 711; 712; 713; 714) which defines a section (11) of a transport path (09) provided for transporting sheets (02), and the section (11) comprises an inspection region (12). The inspection device (08; 768) has at least one sensor device (13) which is aligned towards the inspection region (12), and the inspection device (08; 768) has at least one first illumination device (14) which is aligned towards the inspection region (12). The first illumination device (14) is pivotally arranged about a first pivot axis (17) in order to change between different illumination positions, and the first pivot axis (17) intersects the inspection region (12) or is arranged at a very short distance to the inspection region (12), said distance equaling maximally 20 mm.

The application discloses a machine vision-based online detection method and system for tear resistance of thermal paper, and relates to the technical field of tear resistance detection of thermal paper, and comprises the following steps: collecting a paper image; recording an audio waveform generated when the thermal paper is hit; extracting surface features of the thermal paper in the paper image; obtaining audio features of the thermal paper; constructing an online detection model for the tear resistance of the thermal paper, collecting the surface features and the audio features of the thermal paper with known quality and performing deep learning; analyzing the surface features and the audio features through the online detection model for the tear resistance of the thermal paper to determine whether the tear resistance of the thermal paper is qualified; and the application is used to solve the problems that the existing detection technology for the tear resistance of the thermal paper needs to damage the thermal paper for tear resistance detection and adopts a spot-check sampling method for detection, thereby reducing the production capacity of the thermal paper and failing to guarantee the yield of the thermal paper.

To enable a plant operator to simultaneously view and analyze data that are derived from a plurality of sensors.SOLUTION: An apparatus for and a method of inferring quality of a sheet roll consecutively monitors new data including: (a) surface defects of the sheet roll from a vision defect tracking system, (b) measurement defects of the sheet roll from a vision measurement system, and (c) quality and defect data of the sheet roll from a quality control system, and simultaneously integrating the new data with old data in history. A data connect application programming interface can furnish historical, current and alarms data for analysis to an aggregator node for reporting and analysis.SELECTED DRAWING: Figure 4

The invention relates to a method for determining the temperature of a moving metal strip (1), wherein the metal strip (1) is passed by at least one infrared sensor (10) and / or at least one thermal imaging camera (10), wherein the infrared sensor (10) and / or the thermal imaging camera (10) detects at least partially the surface of the metal strip (1), wherein reference areas (2) have been introduced locally in the direction of movement of the metal strip (1), which have a higher emissivity compared to the rest of the surface of the metal strip (1).