G01N2021/8444

LIGHT REFLECTANCE MATCHING CAMOUFLAGE SYSTEM
20230050975 · 2023-02-16 ·

An article of manufacture comprises a surface that includes a first region and a surface treatment over the first region. The first region includes a depiction of a real-world object and the surface treatment exhibits a first light reflectance value. The real-world object exhibits a second light reflectance value, and the first light reflectance value is within 30 percent of the second light reflectance value. The article of manufacture may include an article of clothing or a durable good.

METHOD FOR DETERMINING FILM THICKNESS, METHOD FOR PRODUCING A FILM AND DEVICE FOR PRODUCING A FILM
20230003509 · 2023-01-05 · ·

The present document discloses a method of determining thickness of a wet film, in particular of microfibrillated cellulose. The method comprises conveying said film (20) in a wet state on a conveyor (10) having a conveyor width, the wet film having a film width which is less than the conveyor width, providing a laser projection (1511) across a film edge, acquiring a series of images, each depicting an area of the conveyor, wherein the laser projection, a portion of the film and a portion of an exposed conveyor surface are visible, and using at least some of said images to determine at least one of a film thickness and a film thickness distribution across the film width. The document also discloses a method of forming a film, in particular a microfibrillated cellulose film, and a device for producing such film.

Method and System for Determining a Level of a Sanding Surface Preparation of a Carbon Fiber Composite Surface Prior to a Post-Processing Operation
20230211460 · 2023-07-06 · ·

There is provided a quantitative method for determining a level of a sanding surface preparation of a carbon fiber composite surface, prior to the carbon fiber composite surface undergoing a post-processing operation. The quantitative method includes fabricating a ladder panel of levels of sanding correlating to an amount of sanding of sanding surface preparation standards for a reference carbon fiber composite surface of reference carbon fiber composite structure(s); using surface analysis tools to create target values for quantifying the levels of sanding; measuring, with the surface analysis tools, sanding surface preparation location(s) on the carbon fiber composite surface of a test carbon fiber composite structure, to obtain test result measurement(s); comparing the test result measurement(s) to the levels, to obtain test result level(s); determining if the test result level(s) meet the target values; and determining whether the carbon fiber composite surface is acceptable to proceed with the post-processing operation.

SYSTEM FOR LOCATING A WOVEN PREFORM TRACER

A system for locating a strand including fibers of a first woven preform material, the preform including, at the surface, strands of fibers of a second material and the strand including fibers of the first material forming a tracer. The system further includes a camera; a light source emitting a non-polarized incident beam configured to be directed towards the preform; a polarizer configured to polarize the non-polarized incident beam before interacting with the preform in order to obtain a polarized incident beam; and a crossed analyzer; the first material being chosen from among glass, aramid and aluminum oxide; the second material being chosen from among carbon and silicon carbide; the camera being configured to film a reflected beam originating from the interaction of the polarized incident beam with the preform, the reflected beam having previously crossed the crossed analyzer, so as to locate the tracer of the preform.

Fiber-reinforced resin material, molded article, method and device for manufacturing fiber-reinforced resin material, and fiber bundle group inspection device

The purpose of the present invention is to provide a fiber-reinforced resin material having minimal directionality of strength as well as excellent productivity, a method and device for manufacturing a fiber-reinforced resin material whereby a molded article is obtained, and a device for inspecting a fiber bundle group. A method for manufacturing a sheet-shaped fiber-reinforced resin material in which a paste (P1) is impregnated between cut fiber bundles (CF), the method for manufacturing a fiber-reinforced resin material including a coating step applying a coating of a paste (P1) on a first sheet (S11) conveyed in a predetermined direction, a cutting step for cutting a long fiber bundle (CF) using a cutter (113A), a scattering step for dispersing the cut fiber bundles (CF) and scattering the cut fiber bundles (CF) on the paste (P1), and an impregnation step for pressing a fiber bundle group (F1) and the paste (P1) on the first sheet (S11) and impregnating the paste (P1) between the fiber bundles (CF).

INSPECTION SYSTEM AND INSPECTION METHOD FOR SECONDARY BATTERY
20230064836 · 2023-03-02 · ·

According to one embodiment, an inspection system for a secondary battery includes an image sensor, a detector, and an inspection processor. The image sensor captures an image of an electrode structure of a secondary battery. The electrode structure includes an electrode and a fiber layer formed on a surface of the electrode. The electrode includes a current collector and an active material layer. The detector detects a color in data of the image captured with the image sensor. The inspection processor inspects a residue of an organic material in the fiber layer, based on the color detected with the detector.

IDENTIFICATION OF CARPET MATERIALS WITH NEAR-INFRARED SPECTROSCOPY
20230152221 · 2023-05-18 ·

A method for identifying carpet materials includes receiving, by a controller coupled to an NIR spectrometer, a predetermined number of NIR measurements of a sample of the carpet material conducted over a bandwidth of a subset of a full NIR spectrum. The NIR spectrometer performs the NIR measurements under control of the controller. Also, sending the NIR measurements to a remote identification server including a spectra library of known carpet materials. The method also includes receiving a matching result from the remote identification server, sending the matching result to a remote appraisal server, and receiving an appraised value of the carpet material.

METHODS FOR SORTING PRINTED MATERIALS AND METHODS FOR MAKING PAPER USING THE PRINTED MATERIALS

The present invention aims to provide a technique for easily and rapidly sorting printed materials suitable as raw materials of recycled paper.

Printed materials that are hard to recycle as waste paper can be identified by irradiating the surface of the printed materials with light and measuring the reflected light. Specifically, good quality recycled paper can be made efficiently from printed materials by removing printed materials having an absorption band around 1720 cm.sup.−1, around 1260 cm.sup.−1, around 1160 cm.sup.−1, or around 700 cm.sup.−1 from waste paper raw materials when the printed materials are irradiated with light on their surface.

IDENTIFICATION DEVICE, IDENTIFICATION METHOD, AND IDENTIFICATION PROGRAM FOR IDENTIFYING FIBER LAYER IN FIBER-REINFORCED MATERIAL
20230191727 · 2023-06-22 · ·

Regarding to a fiber-reinforced material formed by deforming a reinforcing material composed of a plurality of fiber layers from an initial shape and molding into a predetermined shape, an identification device, an identification method, and an identification program generate a first data in which a physical quantity distribution inside the fiber-reinforced material is mapped to the initial shape, perform binarization of the first data to generate a second data in which a label identifying the fiber layer is mapped to the initial shape, and map the second data to a predetermined shape, based on a deformation data.

SPECTROMETER

A spectrometer is provided. In one implementation, for example, a spectrometer comprises an excitation source, a focusing lens, a movable mirror, and an actuator assembly. The focusing lens is adapted to focus an incident beam from the excitation source. The actuator assembly is adapted to control the movable mirror to move a focused incident beam across a surface of the sample.