EP4298431A1 - Procédé et appareil d'inspection de récipients et de détermination d'une position de rotation d'une fermeture de récipient - Google Patents

Procédé et appareil d'inspection de récipients et de détermination d'une position de rotation d'une fermeture de récipient

Info

Publication number
EP4298431A1
EP4298431A1 EP22717792.0A EP22717792A EP4298431A1 EP 4298431 A1 EP4298431 A1 EP 4298431A1 EP 22717792 A EP22717792 A EP 22717792A EP 4298431 A1 EP4298431 A1 EP 4298431A1
Authority
EP
European Patent Office
Prior art keywords
image
container
containers
recorded
container closure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22717792.0A
Other languages
German (de)
English (en)
Inventor
Stefan Piana
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Krones AG
Original Assignee
Krones AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Krones AG filed Critical Krones AG
Publication of EP4298431A1 publication Critical patent/EP4298431A1/fr
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/90—Investigating the presence of flaws or contamination in a container or its contents
    • G01N21/909—Investigating the presence of flaws or contamination in a container or its contents in opaque containers or opaque container parts, e.g. cans, tins, caps, labels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B3/00—Closing bottles, jars or similar containers by applying caps
    • B67B3/26—Applications of control, warning, or safety devices in capping machinery
    • B67B3/262—Devices for controlling the caps
    • B67B3/264—Devices for controlling the caps positioning of the caps
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/90—Investigating the presence of flaws or contamination in a container or its contents
    • G01N21/9054—Inspection of sealing surface and container finish

Definitions

  • the present invention relates to a method and a device for inspecting containers, in particular beverage containers. It has long been known from the state of the art in the field of the beverage manufacturing industry to inspect containers. It is known, for example, to inspect the containers for damage or dirt.
  • WO 2014/023580 describes a seal inspection device in which a distance between a marking on a container and a marking on the closure is also determined.
  • WO 2019/025956 A1 describes a device and a method for determining an angular position of a closure with respect to a bottle.
  • the containers are transported by means of a transport device along a predetermined transport path and are inspected during this transport by means of a first inspection device, with the inspection device using an image recording device taking a first image of at least the container closure of one specific container (but preferably also a mouth area of the container) receives.
  • a second image of at least this container closure is recorded by means of an image recording device.
  • a time interval between the recording of the first image and the recording of the second image is preferably less than 100 ms, preferably less than 50 ms, preferably less than 20 ms, preferably less than 10 ms, preferably less than 8 ms, preferably less than 6 ms, preferably less than 5 ms and preferably less than 3 ms.
  • the containers are preferably inspected during their movement and in particular at least one image and preferably both images are recorded during a movement of the containers.
  • the containers are preferably transported at a transport speed that is greater than 0.1 m/s, preferably greater than 0.3 m/s, preferably greater than 0.5 m/s, preferably greater than 0.8 m/s and particularly preferably greater than 1.0 m/s.
  • the containers are preferably transported at a transport speed of less than 20 m/s, preferably less than 15 m/s, preferably less than 10 m/s, preferably less than 8 m/s, preferably less than 6 m/s , preferably less than 5 m/s, preferably less than 3 m/s, preferably less than 2.5 m/s.
  • the first image and the second image or the at least two recorded images of the same container are preferably compared with one another and/or both images are evaluated. In addition to taking pictures, it would also be possible to take picture sequences. From this comparison between the images, the existence of foreign bodies such as drops of liquid is preferably inferred.
  • the two images are not recorded in order to be able to better recognize specific markings, but rather in order to be able to draw a distinction between the markings and artefacts in the image representation from these two image recordings.
  • the first and the second image are recorded using the same image recording device. It is possible for this image recording device to be triggered twice in quick succession and/or to record a corresponding image.
  • two cameras it would also be possible for two cameras to be provided, which are preferably aligned with the same area of the container or its closure.
  • the same or essentially the same image field (and/or the same container) is preferably recorded with both images (apart from a slight offset that results from the forward movement of the container).
  • the lighting parameters are preferably changed in the two image recordings.
  • the images are preferably recorded or triggered at more or less the same place (of the container) and preferably in quick succession. This means that the time interval between the recording of the two images is so short that the location of the container has not changed or has not changed significantly between the time when the first image was captured and the time when the second image was captured.
  • the container preferably moves by less than 3 cm, preferably by less than 2 cm, preferably by less than 1.5 cm, preferably by less than 1 cm, preferably by less than 1 cm in the period between the recording of the first image and the recording of the second image 0.8 cm, preferably less than 0.6 cm and more preferably less than 0.5 cm.
  • at least one image or even both images to be recorded while the containers are at a standstill.
  • a time interval between the two recordings is preferably less than 1 s, preferably less than 0.5 s, preferably less than 0.2 s, preferably less than 0.1 s, preferably less than 50 ms, preferably less than 10 ms , preferably less than 8 ms, preferably less than 6 ms, preferably less than 5 ms, preferably less than 3 ms, preferably less than 2 ms, be preferably less than 1 ms, preferably less than 0.5 ms.
  • the time interval is preferably greater than 0.01 ms, preferably greater than 0.02 ms, preferably greater than 0.03 ms, preferably greater than 0.04 ms and particularly preferably greater than 0.05 ms.
  • the container can be picked up twice at the (essentially) same location, despite a certain finite transport speed. If, for example, the container moves at a speed of 2 m/second, this would mean, for example given a time interval between two recordings of 0.5 milliseconds, that the container has only moved by 1 mm.
  • Two images at the same location are preferably recorded. This means that both images are taken from the same area of a facility, only the container has moved slightly between the first shot and the second shot. However, at least the container closure and/or the mouth area of the container is preferably reproduced in full on both images.
  • the inspected containers are particularly preferably containers with heights of between 50 mm and 800 mm, preferably between 100 mm and 400 mm.
  • the inspection process is preferably carried out at a production rate of up to 90,000 containers/h.
  • the containers are particularly preferably plastic containers and in particular plastic bottles.
  • the containers are transported along a straight, in particular single-track, transport path.
  • the containers can be transported along a transport path in the shape of a circle or a segment of a circle.
  • the containers can be transported, for example, by means of a conveyor belt.
  • the containers it would also be conceivable for the containers to be transported by means of lateral guide belts.
  • the containers are preferably filled and closed containers.
  • the image recordings are triggered by means of a trigger device.
  • the exposure times for the image recordings are preferably greater than 1 ps, preferably greater than 2 ps, preferably greater than 5 ps and preferably greater than 10 ps.
  • the exposure times are preferably less than 500 ps, preferably less than 300 ps, preferably less than 200 ps and particularly preferably less than 100 ps
  • At least one image of an upper side of a container closure is recorded.
  • the observation is preferably carried out from above the container closure. It is possible and preferable for the image recording device to be arranged above the container closure, but it would also be conceivable to deflect the radiation path or the observation path (for example by means of mirrors).
  • the image recording device (during the recording of the images) is preferably arranged essentially vertically above the containers.
  • the first image is recorded using first physical parameters and the second image is recorded using second physical parameters, with at least one parameter (and in particular the value of this parameter) of the first physical parameters being different from at least one parameter (and in particular the value of this second parameter) differs from the second physical parameters (in particular a parameter that describes the same physical property) and/or these parameters at least partially deviate from one another.
  • the two recordings differ from one another in at least one parameter.
  • said physical parameter is selected from a group of parameters which include a time when the image was recorded, a duration of the image recording (or an exposure time), a color or a spectral range of an illumination, a type of illumination, a filter setting (possibly also a software filter), an observation angle of the image recording device, a distance of the observation device from the container closure, an illumination direction of an illuminating radiation, a polarization of an illuminating radiation, a directivity of the illuminating radiation and the like. It would also be possible for several such physical parameters to deviate from one another.
  • the observation angle of the image recording device and the distance of the observation device from the container closure remain essentially constant.
  • the first and second recordings can differ from one another with regard to an illumination color or with regard to an illumination direction or with regard to a type of illumination and the like.
  • the image recording device is preferably triggered twice in quick succession at essentially the same location on the container, with different types of illumination being used for the two recordings in this preferred method.
  • Wavelengths from the ultraviolet range to the infrared range can preferably be used as the illumination color or wavelength.
  • the light can be irradiated from different directions, similar to the so-called “shade from shading” method (this is a 3D method that measures inclination and curvature, which is also used in automated quality control mainly applied by in-line surface inspection tasks).
  • This enables the reliable detection of shape deviations such as cracks, scratches, pores or notches, especially on flat surfaces, but also the presence of foreign bodies or substances such as liquid drops.
  • a different directivity of the light used can also be used. This can range from a hard directed light to a fully diffused (cloudy day) lighting. As mentioned above, different directions of polarization of the illuminating light can also be used.
  • a mouth area of the container (in particular closed by the closure) is also recorded with the first image and/or the second image.
  • a marking located on the container closure is also recorded with the first image.
  • a marking located on an area of the container and in particular on a carrying ring is also recorded with the first and/or the second image.
  • the container closures to be inspected therefore preferably have at least one marking which can be detected by an image recording device (ie optically).
  • This marking can be present, for example, in an edge area of the container closure. be seen.
  • the container itself and in particular its mouth area and in particular its carrying ring also has a marking which can be detected by an image recording device.
  • the lighting parameters are selected in such a way that the markings differ only slightly in the recorded images.
  • the lighting parameters are preferably selected in such a way that foreign bodies, such as water droplets, differ greatly in the recorded images. In this way, it can be determined from a comparison between the image recordings which image feature originates from an artefact or a foreign body and which image feature is actually the reproduction of a marking.
  • Both image recordings are therefore preferably used in order to make a distinction between the markings (to be localized) on the one hand and image artefacts on the other hand and/or to suppress the effects that are triggered, for example, by water drops. In this way, the recognition performance can be increased. Furthermore, it would also be possible to create more than two recordings.
  • At least one of the recorded images is evaluated in order to deduce a rotational position of the container closure relative to the container.
  • a corresponding evaluation can be carried out using algorithms or using artificial intelligence.
  • water droplets and the alignment features can be recognized by means of conventional algorithms or else using a neural network for image processing.
  • a convolutional neural network (CNN) can preferably be used here. After training with suitable and high-quality annotated camera images, this can enable a higher selectivity.
  • a large number of reference images are preferably stored, in particular in a storage device, and a comparison device is preferably provided, which compares these stored images with recorded images.
  • a relative rotational position of the container closure or of the container can be determined on the basis of this comparison.
  • the image recording device preferably records at least one spatially resolved image of the container closure and/or the container.
  • the image recording device preferably generates spatially resolved (in particular 2D and/or 3D) sensor data (of the container and/or its closure) for detecting the container.
  • Evaluation data are preferably generated from the sensor data, in particular using a processor device and/or data processing device, by using at least one (computer-implemented) computer vision method in which (computer-implemented) perception and/or detection tasks are carried out, for example ( computer-implemented) 2D and/or 3D object recognition methods and/or (computer-implemented) methods for (computer-implemented) semantic segmentation and/or (computer-implemented) object classification (“image classification”) and/or ( computer-implemented) object localization.
  • a processor device and/or data processing device by using at least one (computer-implemented) computer vision method in which (computer-implemented) perception and/or detection tasks are carried out, for example ( computer-implemented) 2D and/or 3D object recognition methods and/or (computer-implemented) methods for (computer-implemented) semantic segmentation and/or (computer-implemented) object classification (“image classification”) and/or ( computer-implemented) object localization.
  • the object detected and/or represented in the sensor data is assigned to a (previously taught and/or predetermined) class.
  • a location of an object recorded and/or represented in the sensor data is determined or ascertained, which is determined in particular by a so-called bounding box
  • a class for classifying an object
  • class annotation is assigned (class annotation) to each pixel of the sensor data.
  • the classes can be, for example (among others) types of contamination (e.g. water, dust) or types of container closures (e.g. shape and colour).
  • the determination of the evaluation data from the (raw) data generated by the sensor device or data derived therefrom is preferably based on (computer-implemented) methods of machine learning, preferably on at least an (artificial) neural network-based method of machine learning.
  • a neural network can be called, for example, a deep neural network (DNN) preferably a so-called convolutional neural network (CNN) and/or a recurrent neural network (RNN) can be configured.
  • DNN deep neural network
  • CNN convolutional neural network
  • RNN recurrent neural network
  • the evaluation device for the evaluation can be integrated into the inspection device or else into a higher-level machine controller.
  • the particularly intelligent evaluation device is preferably able to use modern algorithms (CI, ie artificial intelligence, machine learning (machine learning), deep learning, etc.) to assess a rotational position of the container closure relative to the container.
  • the evaluation device preferably has a processor and/or a memory device.
  • the evaluation device is preferably suitable and intended for making a predictive prediction with regard to a closed state of the container.
  • the evaluation device can (in particular by means of a computer program and/or using modern algorithms such as AI, machine learning and/or deep learning or the like) indicate a classification of a closed state of the container.
  • the present invention is also directed to a device for inspecting containers provided with container closures, which has a transport device which transports the containers along a predetermined transport path and an inspection device which is used to inspect the containers, which has at least one first image recording device, which takes at least one picture of a container provided with a container closure.
  • the inspection device is suitable and intended for recording at least one second image of this container provided with the container closure.
  • Said image recording device preferably records both images. However, it would also be conceivable for two or more image recording devices to be provided.
  • the device has an illumination device for illuminating the containers and/or the container closures. It is possible that this lighting device is also triggered.
  • the device particularly preferably has a trigger device for triggering an image recording. Included triggering can take place at a specific position of the containers.
  • light barrier devices can be provided which trigger the first image recording when a container has reached a specific position.
  • the second image recording can take place at a predetermined time interval after the first image recording.
  • the lighting device When using a double trigger, the lighting device preferably has at least two flashed light sources such as two flashed lamps. These are particularly preferably triggered in a highly synchronous manner in terms of time, ie in particular in the one to two-digit ps range, with the image recordings. At least two light sources of the illumination device are therefore preferably triggered at a time interval that is less than 100 ps and/or greater than 1 ps.
  • a trigger signal (from outside) is preferably routed to the camera system and the camera system takes over the highly synchronous sequence control for the lamp flashes and the camera shutter.
  • the lighting device is preferably suitable and intended to emit pulsed lighting onto the containers. This illumination can also be triggered and/or pulsed.
  • the at least one lighting device is arranged in such a way that it illuminates the container or the container closure at an angle.
  • the image recording is essentially arranged vertically above the container to be inspected.
  • the image recording device is preferably arranged above the transport path of the containers.
  • the containers are preferably transported upright or with their mouths pointing upwards.
  • the image recording device monitors the containers in their longitudinal direction.
  • the distance (in particular in a longitudinal direction of the containers) between the image recording device and/or its optics on the one hand and the container closure on the other hand is preferably greater than 4 mm, preferably greater than 6 mm, preferably greater than 8 mm, preferably greater than 10 mm and preferably greater than 12mm.
  • a distance between the image recording device or its optics and the container closure is less than 70 mm, preferably less than 60 mm, preferably less than 50 mm, preferably less than 40 mm and preferably less than 35 mm.
  • An over-telecentric recording is particularly preferably recorded.
  • Studentstelezentician d. H. Pericentric lenses are known from the prior art. These can observe objects from several directions at the same time. In the case of a container closure, such lenses allow the closure surface and the outer surfaces (in particular of the container closure) to be recorded simultaneously, for example when viewed from an angle from above.
  • a front lens of such an objective preferably has a significantly larger diameter and/or cross section than the object to be observed, i. H. here referred to as the closure and carrying ring of the container.
  • the device preferably has only one image recording device, which is particularly preferably controlled in such a way that it records at least two recordings of the same container and/or the same container closure (in particular during its movement).
  • the containers are preferably transported at a distance from one another.
  • the device has a control device for controlling the image recording device(s).
  • the image recording device is designed to record (in particular spatially resolved) images of the container closures using the incident light method.
  • At least one lens device is particularly preferably arranged in the beam path between the image recording device and the container closure.
  • an image is recorded at a focal point or in the vicinity of the focal point of this lens device.
  • the container closures have a fastening element in order to fasten the container closure to the container. In this way, the container closure remains on the container even after the container closure has been opened.
  • the container closures are not embodied symmetrically and in particular are not rotationally symmetrical.
  • the device has an evaluation device for evaluating at least one recorded image, which is suitable and intended for determining a rotational position of the container closure and in particular a rotation of the container closure relative to a mouth of the container from the at least one recorded image determine. This evaluation device advantageously uses a method of the type described above for image evaluation.
  • the device preferably has a comparison device which compares the two recorded images with one another. From this comparison, the presence of foreign bodies on the container closure, such as water drops, is preferably inferred.
  • the container closures are preferably screw closures, which are preferably screwed onto the mouth of the container.
  • FIG. 1 shows a schematic representation of a device according to the invention.
  • FIG. 1 shows a device 1 according to the invention for inspecting containers 10.
  • These containers 10 each have a container closure 10a which is screwed onto the container.
  • a marking (not shown) is arranged on the container closure (in particular a marking which is visible from above) and a corresponding marking is also formed on a carrying ring 10b of the container.
  • the reference character L designates the longitudinal direction of the container to be inspected.
  • Reference number 4 designates an inspection device, which here has an image recording device 42 and an optical system 44 . This image recording device is arranged above the container 10 in a longitudinal direction L in order to inspect it.
  • the reference number 46 designates an advantageously present optical device and in particular a lens device, which is used to observe the container closure 10a.
  • This lens device preferably has a significantly larger diameter than the object to be observed, than the closure and the carrying ring of the container.
  • the reference symbols 48a and 48b identify two lighting devices which, in this configuration, are arranged laterally next to the longitudinal direction L of the container. In this way, the container closure is illuminated at an angle from above.
  • a first image can be recorded, with the illumination device 48a illuminating the container, and a second image, with the illumination device 48b illuminating the container.
  • a second image with the illumination device 48b illuminating the container.
  • the first illumination for the first image
  • the second illumination for the second image
  • the reference number 52 designates a housing in which the image recording device 42 is integrated.
  • This housing 52 can be formed on its inner walls preferably light absorbing.
  • the reference number 12 designates an ejection device which is suitable and intended for ejecting containers identified as defective or containers that have been sealed incorrectly from the transport path.
  • the applicant reserves the right to claim all features disclosed in the application documents as essential to the invention, provided they are new, individually or in combination, compared to the prior art. It is also pointed out that the individual figures also describe features that can be advantageous in and of themselves. The person skilled in the art recognizes immediately that a specific feature described in a figure can also be advantageous without adopting further features from this figure. Furthermore, the person skilled in the art recognizes that advantages can also result from a combination of several features shown in individual figures or in different figures.

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

L'invention concerne un procédé d'inspection de récipients (10), dans lequel des récipients (10) comportant des fermetures de récipients (10a) sont transportés par un dispositif de transport (2) selon un trajet prédéterminé de transport (T) et inspectés par un premier dispositif d'inspection (4) pendant ce transport et où le dispositif d'inspection (4) capture au moins une première image d'au moins la fermeture de récipient d'un récipient (10) par un dispositif de capture d'images (42) ; caractérisé en ce qu'une seconde image d'au moins cette fermeture de récipient (10) est capturée par un dispositif de capture d'images, un intervalle de temps entre les captures de la première image et de la seconde image étant de préférence inférieur à 10 ms.
EP22717792.0A 2021-04-14 2022-03-23 Procédé et appareil d'inspection de récipients et de détermination d'une position de rotation d'une fermeture de récipient Pending EP4298431A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021109286.8A DE102021109286A1 (de) 2021-04-14 2021-04-14 Verfahren und Vorrichtung zum Inspizieren von Behältnissen mit Feststellung einer Drehstellung eines Behältnisverschlusses
PCT/EP2022/057699 WO2022218666A1 (fr) 2021-04-14 2022-03-23 Procédé et appareil d'inspection de récipients et de détermination d'une position de rotation d'une fermeture de récipient

Publications (1)

Publication Number Publication Date
EP4298431A1 true EP4298431A1 (fr) 2024-01-03

Family

ID=81346481

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22717792.0A Pending EP4298431A1 (fr) 2021-04-14 2022-03-23 Procédé et appareil d'inspection de récipients et de détermination d'une position de rotation d'une fermeture de récipient

Country Status (4)

Country Link
EP (1) EP4298431A1 (fr)
CN (1) CN117136299A (fr)
DE (1) DE102021109286A1 (fr)
WO (1) WO2022218666A1 (fr)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5365084A (en) * 1991-02-20 1994-11-15 Pressco Technology, Inc. Video inspection system employing multiple spectrum LED illumination
DE19540545C2 (de) 1995-10-31 1998-05-14 Kronseder Maschf Krones Verfahren und Vorrichtung zum optischen Überprüfen des Sitzes von Verschlußkappen auf Gefäßen
DE10065290C2 (de) * 2000-12-29 2003-05-15 Krones Ag Verfahren und Vorrichtung zur optischen Inspektion von Flaschen
DE60239245D1 (de) 2001-06-20 2011-04-07 Crown Cork Japan Verfahren zur Prüfung eines auf einer Flasche angebrachtem Verschlusses und Vorrichtung
DE10140009B4 (de) 2001-08-16 2004-04-15 Krones Ag Vorrichtung zur Inspektion gefüllter und verschlossener Flaschen
DE10146449A1 (de) 2001-09-20 2003-04-17 Krones Ag Verfahren zur Kontrolle von Verschlüssen auf Gefäßen
EP1779096B1 (fr) * 2004-07-30 2013-07-31 Eagle Vision Systems B.V. Appareil et procédé de vérification de récipients
EP2883028A1 (fr) 2012-08-07 2015-06-17 Nestec S.A. Systèmes et procédés pour inspection de joints d'étanchéité
EP2989791A4 (fr) * 2013-04-22 2017-04-05 Pressco Technology, Inc. Technique d'analyse de bouchon
DE102014107915A1 (de) * 2014-06-05 2015-12-17 Khs Gmbh Inspektionsvorrichtung für Behälterverschlüsse
DE102017114081B4 (de) 2017-06-26 2022-03-10 Krones Aktiengesellschaft Vorrichtung und Verfahren zum Rundum-Inspizieren von Behältnissen am Transportband
IT201700089270A1 (it) 2017-08-02 2019-02-02 Ft System Srl Metodo e apparecchio per rilevare la posizione angolare di un tappo su una bottiglia
DE102017119074B4 (de) 2017-08-21 2019-05-02 Centro Kontrollsysteme Gmbh Verfahren zur Fehleranalyse und Inspektionssystem
DE102018130940A1 (de) 2018-12-05 2020-06-10 Krones Aktiengesellschaft Vorrichtung und Verfahren zur Drehlageerkennung

Also Published As

Publication number Publication date
CN117136299A (zh) 2023-11-28
DE102021109286A1 (de) 2022-10-20
WO2022218666A1 (fr) 2022-10-20

Similar Documents

Publication Publication Date Title
EP3491331B1 (fr) Procédé et dispositif pour l'examen optique de corps transparents
DE69832839T2 (de) Prüfung der Dichtfläche eines Behälters
EP2439490B2 (fr) Dispositif et procédé de reconnaissance d'une position de rotation de préformes en plastique
EP2801533B1 (fr) Dispositif et procédé de fabrication d'assemblages de récipient
DE10017126C1 (de) Verfahren und Vorrichtung zum optischen Überprüfen transparenter Behälter
EP2290355B1 (fr) Dispositif et procédé destinés à l'inspection de récipients étiquetés
EP3204759B1 (fr) Dispositif d'inspection et procédé d'inspection en lumière transmise de récipients
DE60223956T3 (de) Untersuchungsgerät und System zur Untersuchung von Fremdkörpern in mit Flüssigkeit gefüllten Behältern
EP2369328B1 (fr) Procédé et dispositif pour examiner des impuretés dans des récipients rempli
DE2844679A1 (de) Vorrichtung zum pruefen der seitenwaende von flaschen
EP2596340B1 (fr) Système de détection pour l'orientation du joint de moule et des bossages de bouteilles et procédé pour le traitement de bouteilles.
WO2008011960A1 (fr) Dispositif d'inspection pour récipients
DE102011001127A1 (de) Inspektionsvorrichtung für Leergut und Verfahren zur Inspektion von Leergut
DE102016124400A1 (de) Verfahren und Vorrichtung zum Erfassen von Störungen beim Objekttransport
DE102018114222A1 (de) Verfahren zum Untersuchen von übereinstimmenden Prüfobjekten
DE102007054657A1 (de) Optische Erfassungseinrichtung, insbesondere zur Inspektion von Flaschen, sowie entsprechendes Visualisierungsverfahren
EP4153976A1 (fr) Dispositif et procédé d'inspection de récipients fermés
DE102017119074B4 (de) Verfahren zur Fehleranalyse und Inspektionssystem
DE4345106C2 (de) Verfahren zum optischen Sortieren von Schüttgut
WO2022218666A1 (fr) Procédé et appareil d'inspection de récipients et de détermination d'une position de rotation d'une fermeture de récipient
DE102021121489A1 (de) Verfahren und Vorrichtung zum Inspizieren von an Behältnissen angeordneten Behältnisverschlüssen
DE112016002237B4 (de) Behälterinspektionsvorrichtung und Verfahren zur Behälterinspektion
EP3885069A1 (fr) Contrôle qualité d'un processus d'usinage laser au moyen d'apprentissage automatique
DE102018132132B3 (de) Verfahren zur Erkennung eines Typs eines Behälters sowie Inspektionssystem
EP4075122A1 (fr) Dispositif et procédé d'inspection de boîtes

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20230928

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR