WO2017064917A1 - Procédé et dispositif d'inspection de contenant - Google Patents

Procédé et dispositif d'inspection de contenant Download PDF

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Publication number
WO2017064917A1
WO2017064917A1 PCT/JP2016/073922 JP2016073922W WO2017064917A1 WO 2017064917 A1 WO2017064917 A1 WO 2017064917A1 JP 2016073922 W JP2016073922 W JP 2016073922W WO 2017064917 A1 WO2017064917 A1 WO 2017064917A1
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WO
WIPO (PCT)
Prior art keywords
container
illuminator
light
inspection
irradiated
Prior art date
Application number
PCT/JP2016/073922
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English (en)
Japanese (ja)
Inventor
英明 安藤
Original Assignee
キリンテクノシステム株式会社
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 キリンテクノシステム株式会社 filed Critical キリンテクノシステム株式会社
Priority to JP2017545108A priority Critical patent/JP6661852B2/ja
Priority to KR1020187006731A priority patent/KR102133744B1/ko
Publication of WO2017064917A1 publication Critical patent/WO2017064917A1/fr

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    • 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
    • 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/51—Scattering, i.e. diffuse reflection within a body or fluid inside a container, e.g. in an ampoule

Definitions

  • the present invention relates to a container inspection method and apparatus for inspecting the bottom of a container.
  • an image of the bottom of the container is irradiated by irradiating an arc-shaped illumination near the bottom from both sides or irradiating a ring-shaped illumination near the bottom.
  • a method is known in which a camera is imaged from the bottom side (see, for example, Patent Document 1 or 2).
  • an object of the present invention is to provide a container inspection method capable of detecting a foreign object such as a glass piece at the bottom and a container inspection apparatus that realizes the method.
  • the container inspection method is the container inspection method for inspecting the bottom of a container, wherein the side toward the irradiation unit positioned at the left and right ends of the bottom when the container is viewed from the side.
  • An imaging process including an illumination process of irradiating light from the side and an image of the bottom part that appears when the container is viewed from below, and imaging the bottom part of the illumination part irradiated with the light by the illumination process And an imaging step.
  • the light irradiated on the irradiation part by the illumination process enters the bottom part. If there is no foreign object such as a glass piece in the light irradiation range, the light incident on the bottom part is refracted and exits from the bottom part. Therefore, these lights are out of the imaging range where the bottom image seen from the bottom of the container is contained. On the other hand, if there is a foreign matter within the light irradiation range, the light incident on the bottom is reflected, refracted or scattered at the foreign matter, and at least part of the light whose traveling direction has been changed by the foreign matter is an imaging range below the container. Head in.
  • the irradiation part for irradiating light is located at the left and right ends when the container is viewed from the side, even when an uneven part such as a ring-shaped knurling is formed on the outer surface of the bottom part, It is possible to suppress the reflected light due to uneven parts such as knurling. As a result, it is possible to avoid deterioration in inspection accuracy due to the concavo-convex portion such as knurling being shined.
  • the light in the illumination step, may be irradiated from the side and obliquely upward toward the irradiation unit. According to this embodiment, it is possible to suppress the deterioration of inspection accuracy by irradiating light while avoiding additional elements such as engraving that are often provided at the bottom of the bottom.
  • the light in the illumination step, may be irradiated within an angle range of 5 degrees or more and 30 degrees or less with respect to a direction parallel to the bottom portion. According to this aspect, by irradiating light within this angular range, additional elements such as engravings that are often provided at the bottom of the bottom can be avoided more reliably. Can be suppressed.
  • the container is located on a predetermined transport path, and in the illumination step, the plurality of irradiation units set by changing positions in the circumferential direction of the bottom,
  • the first illuminator and the second illuminator arranged across the conveyance path may share and irradiate the light.
  • light with sufficient illuminance is applied to the plurality of irradiation units of the container by using the first illuminator and the second illuminator arranged with the conveyance path interposed therebetween so as not to disturb the conveyance of the container. Can be inspected with high accuracy.
  • the conveyance path is set so as to include an arc-shaped portion, and in the illumination step, the first illuminator is disposed on an inner peripheral side of the arc-shaped portion, and the second illuminator is disposed on the arc-shaped portion.
  • the number of the second illuminators may be set to be larger than the number of the first illuminators.
  • the inner circumferential side of the arcuate portion of the transport path is narrower in physical space than the outer peripheral side, and the number of first illuminators is limited, while the outer peripheral side of the arcuate portion of the transport path is the physical space. There are few restrictions.
  • the illuminance of the inspection light can be further increased by setting the number of second illuminators to be larger than the number of first illuminators.
  • the conveyance path may be set so as to include a linear portion, and in the illumination process, the first illuminator and the second illuminator may be disposed so as to sandwich the linear portion. .
  • one light in the illumination step, one light may be irradiated with the light from one side and the other side in the tangential direction of the container.
  • the container inspection apparatus is a container inspection apparatus that inspects the bottom of a container, toward the irradiation unit positioned at the left and right ends of the bottom when the container is viewed from the side.
  • the illumination unit may irradiate the light from the side and obliquely upward toward the irradiation unit.
  • the illumination unit may irradiate the light within an angle range of 5 degrees to 30 degrees with respect to a direction parallel to the bottom.
  • illuminating means a plurality of illuminating means respectively corresponding to a plurality of divided inspection areas obtained by dividing the bottom inspection area are provided, and each of the plurality of illuminating means is The light may be irradiated toward the irradiation unit set for each of the divided inspection regions.
  • a transport unit that transports the container along a predetermined transport path
  • a first illuminator disposed across the transport path and a first illuminator
  • the two illuminators are provided, and the first illuminator and the second illuminator share the light with respect to a plurality of irradiation units set by changing positions in the circumferential direction of the bottom.
  • the first illuminator and the second illuminator may be arranged so as to irradiate.
  • route is set so that an arc-shaped part may be included, the said 1st illuminator is the inner peripheral side of the said arc-shaped part, and the said 2nd illuminator is the outer peripheral side of the said arc-shaped part
  • the number of the second illuminators may be set larger than the number of the first illuminators.
  • route may be set so that a linear part may be included, and the said 1st illuminator and the said 2nd illuminator may be arrange
  • the said illumination means may be provided so that the said light may be irradiated with respect to one irradiation part from each of the tangential direction one side of the said container, and the other side Good.
  • the terms “upper”, “side”, and “lower” are relative meaning the upper, side, and lower sides of the container to be inspected, and are not necessarily horizontal or It does not mean an absolute direction based on the vertical direction.
  • summary of the container inspection method which concerns on one form of this invention The figure which showed the state seen from the direction (side) of the arrow II of FIG. The figure which showed the state seen from the direction of arrow III of FIG.
  • the figure which showed the modification of the container inspection apparatus of FIG. The figure which showed schematic structure of the container inspection apparatus which concerns on the further different form of this invention.
  • a beer lees 100 that is a container is an inspection object.
  • the beer bowl 100 is made of light-transmitting glass, and has a disc-shaped bottom portion 101 and a cylindrical body that is raised from the bottom portion 101 at a substantially right angle and squeezed toward the upper end portion. Part 102.
  • a mouth portion (not shown) is connected to the upper end portion of the trunk portion 102.
  • the inspection method of the present embodiment is carried out in order to detect foreign matters such as glass pieces on the bottom 101 of the beer bowl 100.
  • the inspection method of the present embodiment includes an illumination process for irradiating the bottom 101 with inspection light IL as light and an imaging process for imaging the bottom 101 irradiated with the inspection light IL in the illumination process.
  • the inspection light IL is irradiated toward the predetermined irradiation part IP by the LED illuminator 10 which is an illuminating means.
  • the irradiation unit IP is located at the left-right end Ed of the bottom 101 when the beer bowl 100 is viewed from the side (in the direction of arrow II in FIG. 1).
  • the inspection light IL is irradiated from the side (the side facing the paper surface of FIG.
  • the LED illuminator 10 is arranged so that the inspection light IL is irradiated obliquely from above the irradiation unit IP.
  • the irradiation direction D1 of the inspection light IL is preferably set within an angle range ⁇ of 5 degrees or more and 30 degrees or less with respect to the horizontal direction D0. By irradiating the inspection light IL within this angle range ⁇ , it is possible to avoid markings or the like that are often provided at the bottom of the bottom 101 of the beer bowl 100.
  • the irradiation direction D1 of the inspection light IL can be geometrically defined as a direction inclined upward with respect to the tangential direction of the bottom 101.
  • the bottom 101 where the inspection light IL is irradiated onto the irradiation unit IP is imaged by the camera 11 serving as an imaging unit installed so that the center line CL of the beer bowl 100 coincides with the optical axis.
  • a lens mounted on the camera 11 a short focus lens of about 12 mm is used instead of a fisheye lens.
  • the imaging range IR of the camera 11 is set as a range in which an image Im of the bottom portion 101 that appears when the beer bowl 100 is viewed from below. Note that the optical axis of the camera 11 does not necessarily need to coincide with the center line CL as long as the image Im is within the range. It is also possible to place the camera 11 at an arbitrary position by interposing means for changing the optical path, such as a reflecting mirror, between the beer bowl 100 and the camera 11.
  • the inspection light IL irradiated in the illumination process is incident on the bottom 101.
  • the incident inspection light IL is reflected, refracted or scattered at the location of the foreign matter X, and its traveling direction changes.
  • the light whose traveling direction has changed is directed downward, and in the illustrated example, traveled downward in a direction substantially parallel to the center line CL, and is imaged by the camera 11.
  • the light whose traveling direction changes at the position of the foreign object X corresponds to any of reflected light, scattered light, and refracted light of the inspection light IL depending on the characteristics of the foreign object X.
  • the inspection light IL incident on the bottom 101 exits from the bottom 101 as shown by a broken line while being refracted. Therefore, when there is no foreign substance in the bottom 101, the reflected or refracted light is not captured by the camera 11 because it is out of the imaging range IR.
  • the presence / absence of the foreign matter X on the bottom 101 can be detected by checking the presence / absence of a defect image caused by the foreign matter X from the image captured by the camera 11. Moreover, since the position of the irradiation part IP is set as described above, and the inspection light IL is irradiated from the side of the beer bowl 100 and obliquely from above, a ring-shaped knurling N is formed on the outer surface of the bottom 101. Even when it is formed in 100, the reflected light by the knurling N can be suppressed. Thereby, the deterioration of the inspection accuracy due to the knurling N being shining can be avoided.
  • the container inspection device 1 divides the inspection region of the bottom 101 of the beer bowl 100 that is the container to be inspected into a plurality of parts, here, eight. Then, each of the divided inspection areas is set as a divided inspection area, and eight LED illuminators 10 are arranged so that the inspection light IL can be irradiated to each divided inspection area. Specifically, the eight LED illuminators 10 are arranged in the circumferential direction so as to surround the beer bowl 100 and are respectively associated with the eight divided inspection regions.
  • Each of the eight LED illuminators 10 irradiates light from the side and obliquely upward toward the irradiation unit IP set for each divided inspection region.
  • the arrangement of each LED illuminator 10 is as shown in FIGS.
  • the irradiating unit IP that each LED illuminator 10 irradiates the inspection light IL is also set for each divided inspection region as shown in FIGS. The number of divisions of the inspection area is appropriately determined according to the inspection object.
  • the camera 11 is arranged so that the optical axis coincides with the center line CL of the beer bowl 100 as shown in FIG.
  • Each LED illuminator 10 and camera 11 are connected to a control device (not shown) which is a computer, and the operation is controlled by the control device.
  • the control device controls each LED illuminator 10 so that each LED illuminator 10 irradiates the inspection light IL, and the camera so that the bottom 101 in the illuminated state is imaged in one shot. 11 is controlled.
  • the control device stores image data captured by the camera 11.
  • Implementation of processing on the image is optional.
  • the control device may perform binarization processing, inversion processing, and the like on the image obtained by imaging to perform image processing so that an image accompanying a defect in the bottom portion 101 becomes clear.
  • FIG. 5 An example of a defect image appearing in an image obtained by the container inspection apparatus 1 is shown in FIG.
  • the ring depicted in the image of FIG. 5 is an inspection region R set with reference to the outermost periphery of the beer bowl 100.
  • the presence or absence of foreign matter is detected.
  • a defect image X corresponding to a glass piece that is a foreign substance on the bottom 101 is shown.
  • This glass piece has a size of about 1 ⁇ 1 ⁇ 1 mm.
  • FIG. 6 is an image obtained by using auxiliary illumination (not shown) that shines the knurling N in a situation where the same foreign matter as that in FIG. 5 exists.
  • auxiliary illumination not shown
  • the present invention is not limited to the above form, and can be implemented in various forms.
  • the bottom part 101 is illuminated using the some LED illuminator 10 without moving the beer bowl 100 which is a container to be examined, and the inspection range of the bottom part 101 is expanded. That is, although the said form reduces the frequency
  • the inspection light IL is rotated while rotating the beer bowl 100 around the center line CL.
  • the present invention can be implemented in the form of irradiation in the irradiation direction D1 and imaging with the camera 11 at every predetermined rotation angle. In this case, since the number of the LED illuminators 10 is sufficient, the number of the LED illuminators 10 can be reduced.
  • FIG. 8 shows one form of the container inspection device 20 provided with the star wheel transport device 21 as an example of the transport means of the beer bowl 100.
  • the star wheel transport device 21 rotates the disk-shaped star wheel 22 provided with recesses 22a at equal intervals on the outer periphery around its central axis by a drive mechanism (not shown), While the beer bowl 100 is taken into the recess 22a at P1, the beer bowl 100 is taken out from the recess 22a at the carry-out position P2, so that the beer bowl 100 is transferred in an arc shape between the carry-in position P1 and the carry-out position P2.
  • This is a well-known transport device that transports along a center line (shown by a one-dot chain line).
  • the star wheel transport device 21 is an example of a transport unit that is set so that the entire transport path CP is curved in an arc.
  • An inspection position Pi is set at an intermediate position between the carry-in position P1 and the carry-out position P2 as an example in the middle of the transport path CP.
  • the container inspection device 20 uses the camera 11 while irradiating the bottom 101 of the beer bowl 100 located at the inspection position Pi with the inspection light IL (shown by a thick arrow, and only a part thereof is provided with reference numerals). Imaging is performed by looking up the bottom 101 from directly below. Processing of the obtained image may be the same as that of the container inspection apparatus 1 in FIG.
  • the container inspection apparatus 20 as an example of illumination means for irradiating the inspection light IL, four inner illuminators 23A to 23D disposed on the inner peripheral side of the transport path CP and the outer peripheral side of the transport path CP are disposed.
  • Six outer illuminators 24A to 24F are provided.
  • the inner illuminators 23A to 23D and the outer illuminators 24A to 24F are arranged so as to sandwich the conveyance path CP so as not to disturb the conveyance of the beer bowl 100 along the conveyance path CP.
  • the inner illuminators 23A to 23D are examples of first illuminators
  • the outer illuminators 24A to 24F are examples of second illuminators.
  • each of the inner illuminator 23 and the outer illuminator 24 is an illuminator that emits spot light using an LED as a light source as an example.
  • a plurality (six in the illustrated example) of irradiation units IP1 to IP6 are set on the bottom 101 of the beer bowl 100 while changing positions in the circumferential direction.
  • irradiation units IP when it is not necessary to distinguish the irradiation units IP1 to IP6, they may be referred to as irradiation units IP.
  • the irradiation unit IP is set as shown in FIGS. That is, the irradiation part IP is set so as to be positioned at the end Ed in the left-right direction of the bottom 101 when the beer bowl 100 is viewed from the side (in the direction of arrow II in FIG. 1). In FIG. 8, the position of the irradiation unit IP is indicated by a dashed arc, but the actual irradiation unit IP is set as shown in FIG.
  • Each of the inner illuminator 23 and the outer illuminator 24 is provided so as to irradiate the inspection light IL in a shared manner with respect to the plurality of irradiation units IP. That is, the inner illuminator 23A and the outer illuminator 24A irradiate the irradiation part IP1 with the inspection light IL, and the inner illuminator 23B and the outer illuminator 24B irradiate the irradiation part IP2 with the inspection light IL, and the inner illuminator 23C and the outer illuminator 24C.
  • the illuminator 24C irradiates the irradiation part IP3 with the inspection light IL, and the inner illuminator 23D and the outer illuminator 24D are provided so as to irradiate the irradiation part IP4 with the inspection light IL.
  • the correspondence between the irradiation units IP1 to IP4, the inner illuminators 23A to 23D, and the outer illuminators 24A to 24D is a tangential direction of the beer bowl 100 with respect to one irradiation unit IP (may be regarded as a circumferential direction).
  • the inspection light IL is set to be irradiated from each of the one side and the other side.
  • the inner illuminator 23 and the outer illuminator 24 associated with one irradiation unit IP are arranged to face each other with the irradiation unit IP interposed therebetween.
  • the irradiation unit IP is irradiated with the inspection light IL from both sides thereof.
  • the two irradiation units IP5 and IP6 set at the outermost position of the transport path CP are irradiated with the inspection light IL from one outer illuminator 24E and 24F, respectively.
  • the physical space on the inner circumference side of the transport path CP is narrower than that on the outer circumference side, and the number of installed inner illuminators 23 is limited. However, the physical space on the outer circumference side of the transport path CP is less restricted. Therefore, if the number of the outer illuminators 24 is set to be larger than the number of the inner illuminators 23, the illuminance of the inspection light IL applied to the bottom 101 of the beer bowl 100 can be increased.
  • each of the inner illuminator 23 and the outer illuminator 24 is arranged to irradiate the inspection light IL obliquely from above with respect to the irradiation unit IP. This point is as shown in FIG. 1, and the angle range ⁇ may be the same as described above.
  • the inspection light IL is irradiated from the inner illuminator 23 and the outer illuminator 24 to the illumination unit IP set on the bottom 101 of the beer bowl 100, and the inspection light IL is irradiated.
  • the inspection light IL is irradiated.
  • the illuminance is increased by irradiating the single irradiation part IP with the inspection light IL from both sides in the tangential direction, and the knurling of the bottom part 101 and the rising part of the inner wall are illuminated.
  • the bottom 101 can be illuminated so that only the outermost periphery of the beer bowl 100 shines clearly while suppressing inconveniences. Thereby, the inspection area in the image acquired by the camera 11 can be stabilized, and the inspection area can be tracked more accurately.
  • the illuminance of the inspection light IL irradiated on the bottom 101 can be further increased by providing more outer illuminators 24 than the inner illuminators 23 by taking advantage of the physical space on the outer peripheral side of the transport path CP.
  • the metal or black foreign matter can be easily detected because it appears as a darker shadow than the knurling by the inspection light IL.
  • a glass piece or white foreign substance may shine as a bright part or a shadow as a dark part. In either case, the contrast with the part other than the foreign substance is relatively low. Because it becomes large, it can be easily detected.
  • FIG. 9 shows a container inspection apparatus 20 according to the modification.
  • the four inner illuminators 23A to 23D and the four outer illuminators 24A to 24D share the inspection with respect to the plurality of irradiation units IP1 to IP6 set on the bottom 101. It is comprised so that light IL may be irradiated.
  • the inner illuminator 23A and the outer illuminator 24A irradiate the irradiation part IP1 with the inspection light IL
  • the inner illuminator 23B and the outer illuminator 24B are provided so as to irradiate the irradiation part IP2 with the inspection light IL.
  • the correspondence relationship between the irradiation parts IP1, IP2 and the inner illuminators 23A, 23B and the outer illuminators 24A, 24B is as follows. Is set to be irradiated with the inspection light IL.
  • the inspection light IL is irradiated from one inner illuminators 23C and 23D to the two irradiation units IP3 and IP4 set at the innermost peripheral position of the transport path CP, respectively.
  • the two irradiation units IP5 and IP6 set at the outermost position of the transport path CP are irradiated with the inspection light IL from one outer illuminator 24C and 24D, respectively.
  • the irradiation unit IP may be appropriately set along the periphery of the bottom 101, and how the irradiation unit IP is shared by the inner illuminator 23 and the outer illuminator 24.
  • the illumination can be selected as appropriate.
  • the irradiation direction of the inspection light IL (the direction of the dashed line D1 in FIG. 1) is set so that the inspection light IL is irradiated obliquely from above the bottom 101.
  • the inspection light IL may be irradiated from the side of the container, that is, from the direction orthogonal to the center line CL.
  • the conveyance path CP is not limited to an example in which the whole is formed in an arc shape.
  • the first is formed on the inner peripheral side of the arc-shaped portion of the conveyance path.
  • the second illuminator may be disposed on the outer peripheral side of the illuminator, and the illumination units may be appropriately assigned to irradiate the plurality of irradiation units with light.
  • the conveyance path is set to include a linear portion and the container is inspected at the linear portion, the first illuminator and the second illumination are sandwiched between the linear portions.
  • FIG. 10 shows an example of a form in which the container is inspected at the straight portion of the transport path.
  • a conveyance apparatus 21A is provided so that at least a part of the conveyance path CP extends linearly, and an inspection position Pi is set in the middle of the straight line portion of the conveyance path CP.
  • the transport device 21A is configured to transport along the transport path CP while holding the barrel 102 (see FIG. 1) of the beer bowl 100 between a pair of belts.
  • the inner illuminators 23A to 23D in FIG. 9 are used as the first illuminator, and the outer illuminators 24A to 24D in FIG. 9 are used as the second illuminator. It arrange
  • the correspondence relationship between the irradiation units IP1 to IP6 of the beer bowl 100 and the illuminators 23 and 24 is set similarly to the example of FIG.
  • the transport path CP may be set to various shapes in which a linear portion and an arc-shaped portion are appropriately combined, and the inspection position can be set to an appropriate position.
  • the LED illuminator 10 is used as the light source of the inspection light IL, but the light source and the wavelength of the light are not particularly limited.
  • An appropriate light source may be selected according to the properties of the container to be inspected.
  • beer lees are to be inspected, but as a container that can be inspected by the inspection method and apparatus of the present invention, as long as it is a container that has a bottom and is made of a material having a light projecting property, There is no limit.
  • a container having a non-circular bottom such as a polygonal shape in plan view can be used as an inspection target of the inspection method and apparatus of the present invention.
  • the container inspection method and apparatus when there is a foreign matter within the light irradiation range, the light incident on the bottom is reflected, refracted or scattered at the location of the foreign matter. However, at least a part of the light whose traveling direction has been changed by the foreign object goes to the imaging range below the container. Thereby, since the light whose traveling direction has been changed by the foreign object can be imaged in the imaging process, the foreign object such as a glass piece at the bottom can be detected.

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  • 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)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

L'invention concerne un procédé d'inspection d'une section de base 101 d'une bouteille de bière 100, comprenant : une étape d'éclairement durant laquelle une lumière d'inspection IL est projetée depuis le côté et à une inclinaison vers le haut lorsque la bouteille de bière 100 est observée depuis le côté (direction II), vers une partie d'éclairement IP située au niveau d'un bord dans le sens gauche-droite de la section de base 101 ; et une étape d'imagerie, durant laquelle est prise une image de la section de base 101, dont la partie d'éclairement IP a été éclairée par la lumière d'inspection IL lors de l'étape d'éclairement, de sorte que la plage de formation d'image comprenne une image de la section de base 101 qui apparaît lorsque la bouteille de bière 100 est observée depuis le dessous.
PCT/JP2016/073922 2015-10-16 2016-08-16 Procédé et dispositif d'inspection de contenant WO2017064917A1 (fr)

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JP2017545108A JP6661852B2 (ja) 2015-10-16 2016-08-16 容器検査方法及び装置
KR1020187006731A KR102133744B1 (ko) 2015-10-16 2016-08-16 용기 검사 방법 및 장치

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JP2015204745 2015-10-16

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Cited By (1)

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JP7486807B2 (ja) 2020-11-25 2024-05-20 オムロン キリンテクノシステム株式会社 異物検査装置及び異物検査方法

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US5699162A (en) * 1994-11-28 1997-12-16 Elpatronic Ag Process and apparatus for testing a multi-trip bottle for contamination utilizing residual liquid in bottle bottom and sprectral measurement
JPH09318559A (ja) * 1996-05-31 1997-12-12 Ishizuka Glass Co Ltd 透明ガラス容器の外観検査方法及び装置
JP2002526771A (ja) * 1998-10-02 2002-08-20 エイジーアール インターナショナル，インコーポレイテッド ガラス容器の欠陥検査方法及び装置
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JP7486807B2 (ja) 2020-11-25 2024-05-20 オムロン キリンテクノシステム株式会社 異物検査装置及び異物検査方法

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