US3601616A - Method and device for inspecting bottle by radiant energy - Google Patents

Method and device for inspecting bottle by radiant energy Download PDF

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Publication number
US3601616A
US3601616A US795229*A US3601616DA US3601616A US 3601616 A US3601616 A US 3601616A US 3601616D A US3601616D A US 3601616DA US 3601616 A US3601616 A US 3601616A
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Prior art keywords
bottles
bottle
light rays
light
diffused light
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Expired - Lifetime
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US795229*A
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English (en)
Inventor
Takuma Katsumata
Hisao Kishigami
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Mitsubishi Heavy Industries Ltd
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Mitsubishi Heavy Industries Ltd
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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
    • G01N21/9045—Inspection of ornamented or stippled container walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/3404—Sorting according to other particular properties according to properties of containers or receptacles, e.g. rigidity, leaks, fill-level
    • 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
    • G01N21/9009—Non-optical constructional details affecting optical inspection, e.g. cleaning mechanisms for optical parts, vibration reduction
    • 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
    • G01N21/9018—Dirt detection in containers
    • 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
    • G01N21/9072—Investigating the presence of flaws or contamination in a container or its contents with illumination or detection from inside the container
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0078—Testing material properties on manufactured objects
    • G01N33/0081—Containers; Packages; Bottles

Definitions

  • a method of inspecting lbottles comprises directing diffused light rays on bottles to be inspected and scanning the bottles thus irradiated.
  • the bottles, in each of which an optical system with a light receiving unit is inserted, are rotated for scanning.
  • a device for inspecting bottles is provided with a rotary turret, on which a plurality of bottle supports are rotatably and vertically movably arranged at regular angular intervals, irradiating units, optical systems with light receiving units arranged so as to enter into the bottles, and transducers for converting light signals received by the optical systems into electrical signals.
  • diffused light rays makes: it possible to eliminate the lens action of the bottle wall and to detect solely foreign particles or substances attached on the bottle walls.
  • the present invention relates to a method and a device for inspecting bottles adapted to detect optically foreign particles or substances attached on the walls of bottles for cooling drinks, wine, milk, or the like.
  • diffused light rays are directed on bottles to be inspected each placed at a certain position, and optical systems inserted in the respective bottles scan the bottles while relative rotation is effected between the optical systems and the respective bottles.
  • liccause diffused light rays are directed on bottles from the outsider; thereof,
  • the npti systems detect foreign particles or substances attached on the bottles and which have shielded the diffused light rays, whereby the foreign particles or substances can be surely detected.
  • the diffused light rays are directed on bottles to be inspected each in rotating motion at a certain position and then reflected by diffusing reflecting members arranged opposite to sources for the diffused light rays through interposition of said bottles, the reflected light rays being scanned by optical systems which are inserted in the bottles so as to face the diffusing reflecting members.
  • the bottles having uneven surfaces can be inspected as in the case where the diffused light rays impinge directly on the bottles.
  • bottles to be inspected are provided with prints
  • the influence of light-shieldlng caused by the printed portions can be eliminated, and the foreign particles or substances can be detected by the use of irradiating light rays having a suitable wave length and of reflecting members having an adequate reflection factor in order that the sum of the quantity oflight rays which fall upon Lit the optical system after having been reflected on the diffusing reflecting members and then transmitted through the printed portions on the bottles and the quantity of light rays which fell upon the optical systems after having been transmitted through the walls of the bottles and reflected on the printed portions may become equal to the quantity of light rays which fall upon the optical systems after having been transmitted through the transparent portions of the bottles without prints.
  • bottles to be inspected are transferred onto a plurality of bottle sup ports installed on a rotary turret, and said bottles are rotated and moved upwards and downwards while being irradiated with diffused light rays on the turret.
  • Optical systems inserted in the respective bottles in motion scan the bottles for detect ing foreign particles or substances, the optical detecting signals from the optical systems being converted into electrical signals which are utilized to remove only faulty bottles having foreign particles or substances adhered thereto.
  • the bottles are scanned for detecting foreign particles or substances in the state described above, not only bottles having smooth surfaces but also bottles having uneven surfaces can be inspected, while the lens action due to the uneven portions of the bottles is eliminated so that the inspection of a large number of bottles can be continuously carried out with a high efficiency.
  • the faulty bottles can be automatically selected by converting the optical detecting signals from the optical systems into electrical signals and removing only faulty bottles with the foreign particles or substances attached thereon in response to said electrical signals.
  • the accuracy of detection for foreign particles or substances can be greatly improved by making narrow the range for receiving light of the optical system.
  • a bot tlc inspection device is provided with at least one diffused light source for irradiating each bottle to be inspected placed at a certain position, an optical system inserted into the bottle and a driving mechanism for rotating the bottle and/or the optical system thereby providing relative rotation thcrebetween.
  • a bottle inspection device comprises a turret mechanism provided with a plurality of bottle supports, transferring means for delivering bottles to the turret mechanism or accepting them from the turret mechanism, lifting and rotating mechanisms for the rcsp ctive bottle supports, at least one diffused light source for irradiating each of the bottles on the supports, an optical system inserted into one of the bottles, and a control means for converting an optical signal generated at the optical system in JEPGUSQ to the existence of foreign particles or substances on the bottles into an electrical signal and transmitting an instruction signal for taking away faulty bottles from the main ron c to a faulty bottle carryout mechanism.
  • This construction makes it possible to continuously and efficiently inspect a large number of bottles and to automatically select and remove only bottles having foreign particles or substances adhercd thereto.
  • ii is a schematic plan view illustrating a bottle detecting device embodying the present invention.
  • MG. l is a vertical sectional view ofthe turret mechanism in Flt]. l;
  • FIG. 5 is a plan view of the upper portion of the turret in :IG. 1;
  • FIG. 6 is a plan view of a part of an alternative form of the turret mechanism
  • FIG. 7 is a schematic sectional plan view illustrating the flow of bottles in the turret mechanism
  • FIG. 8 is a diagram for explaining the principle of bottle inspection
  • FIG. 9 is a horizontal sectional view of a detecting part
  • FIG. 10 shows an image of a foreign particle or substance detected by an optical system
  • FIG. 11 is a diagram for explaining the function of a reticule
  • FIG. 12 is a development view showing the turret mechanism operating in engagement with cams
  • FIG. 13 is a perspective view of a driving gear mechanism
  • FIG. 14 is a vertical view, partly in section, of an alternative form of the bottle mouth holding mechanism
  • FIG. 15 is a vertical view, partly in section, of the lifting mechanism for a bottle mouth holding bracket
  • FIG. 16 is a horizontal sectional view taken along the line XVIXVl ofFIG. 15;
  • FIG. 17 is a vertical view, partly in section, of an alternative form of the bottle support braking mechanism
  • FIG. 18 is a plan view of an alternative form of the bottle guide mechanism.
  • FIG. 19 is a vertical sectional view taken along the line XlX--XEX of FIG. 18.
  • the reference character A denotes a device for inspecting bottles according to the invention. Bot' tles are fed from a bottle washing machine B to the bottle inspecting device A by means ofa conveyor C, where faulty bottles containing foreign particles or substances adhere thereto are selected to be removed, while clean bottles are sent to a bottling machine D and automatically bottled.
  • Bottles 1 to be inspected are so arranged as to be rotated and at the same time moved vertically as they are put between bottle supports 2 and bottle mouth holders 3 arranged respectively at regular angular intervals on the outer periphery ofa rotary turret so as to face each other in the vertical direction.
  • Inner surface inspecting mirrors 4, which are vertically fixed on the turret, are arranged so as to be removably inserted into the bottles through the bottle mouth holders 3.
  • the reference numerals 5 denote a .plurality of irradiating nits, which are fixed along the outer periphery of the turret and each comprises a light source lamp 5a, a casing 5b for housing the lamp 5a and a screen made of opal glass fitted on the from surface of the casing.
  • the light rays emitted from the lamp 5a become nonoriented diffused light rays after passing through the screen 50.
  • a diffusion lens (not shown) may preferably be arranged between each lamp 5a and screen 50.
  • Each reflecting plate 6 is installed at the positions nearer to the center of the turret than the bottles 1 held by the bottle supports 2 so as to face the irradiating units 5, respectively.
  • Each reflecting plate 6 consists of a conventional mirror coated on its rear side with a metal such as silver or aluminum by vacuum evaporation and a protective layer thereon, and is laminated on its surface with a milk-colored glass having a good diffusing character, such as opal glass, so that the incident light rays on this reflecting plate may be diffusely reflected.
  • each inner surface inspecting mirror 4 is composed of a prism 4a so arranged at the lower end thereof as to face the center of the turret in the angular range of 6, a diaphragm 4b arranged close to the prism 4a and three lenses 40 arranged at a predetermined interval in the vertical direction, and is capable of receiving light rays in the angular range m, as shown in FIG. 8.
  • the light rays irradiated from the unit 5 and reflected by the reflecting plate 6 are now nonoriented diffused light rays, so that, although the light rays passing the sidewall 1a of the bottle 1 having the uneven outer surface are refracted, owing to the uneveness of the surface, like a lens, the light rays falling upon the bottle wall la are still nonoriented. Thus, the lens action of the bottle wall is eliminated, and the light quantity to be received is uniformly distributed on the inner surface inspecting mirror 4.
  • each bottle 1 is printed with white-colored letters lb, trademarks. or the like, the light shielding effect due to the printed portion lb can be eliminated.
  • the wavelength distribution of light rays irradiated from the irradiating unit 5 is appropriately selected, and the diffusing layer of the reflecting plate 6 has the same white color as the print lb while the reflection factor of the reflecting plate 6 is selected to a proper value.
  • the light quantity z transmitted through the transparent portion without prints is:
  • FIG. 4 showing the turret mechanism, a hollow shaft 10 is rotatably in bearings 9 on a stationary central shaft 8 vertically fixed on a foundation 7.
  • Flanges ll, 12 are fltted unitarily on the upper end and the lower end, respectively, of the hollow shaft 10.
  • a ring gear 13 is provided on the outer periphery of the lower flange 12, so that the flanges ll, 12 are rotated about the central shaft 8 by a driving mechanism (not shown) in engagement with the ring gear 13.
  • the lifting tubes 16, 17 are provided with cam followers l8, 19, respectively, which are in engagcment with cam slots 24ft, Illll, having the contours shown in the development view of lFlG. ill, on the outer periphery of the foundation l, and move upward and downw with rotation of the turret.
  • each bottle mouth lifting tube il there is mounted, for relative vertical movement, a bottle mouth bracket 1h, compression spring ihturpiuiett between an adjusting member 1.3, screwed into the lower end of the bracket Ml, and a ring il l, fitted on the upper end otthe lifting tube the A bottle mouth holder l l t mou .d on the bracket through a bearing that, when the mouth holder fl abuts the mouth the bottle it upon downward movement of the bottle mouth lifti t? i the 3 is displaced upwards with respect to the bottle llltin tube llti clue to the bias of the spring whereby the bot l may he port lifting rod 239 independently of the vertical movement of A the rod 129.
  • a brake rotor I'll is fired on the bottle support lilting rod flit as one body, and a brake stator is installed on loosely fitted on the bottle support lifting rod and at same time biased onto the lower flange ill through a sorir whereby the brake rotor 32, upon downward movement oi the rod 29, is pressed against the brake stator so that the bottle support 2 is bralted to stop together with the bottle support lifting rod 1W.
  • a bottle guide member movably along bottle mouth lifting tube lid, and between the bottle mouth bracket support bracket A supporting shaft tegral with the bottle guide membe downwards therefrom, and is slidably port bracket E'F.
  • a screw conveyor is prov' vcyor t: leading to the bottle w rnachu feed star wheel ilt is arranged facing conve conveyor tC and the flat portion Elna of one of members do lying at the same height, there is cuate supporting plate All, one which a guide vided concentrically with the star .vhec: ll. veyor Elli and the star wheel ill are to .i with the rotation of the turret mec t are held one by one with the bottle guide nu.
  • a bottle oudeed star wheel is provided tion of the conveyor t1 leading to the bottling ma v the terminal of the turret mechanism Across the l portion 360 of the bottle guide member .lti and the conveyor C, there is provided a bottle-bottom inspecting device of a lrnown structure.
  • a guide wall d5 similar to the guide wall lftl is also provided.
  • suction devices which, when foreign particles or subunit it (til l at l t t stances adhered on bottles it are detected by means of the bottlc inner surface inspecting device and the bottle-bottom inspoofing device or, carry away the faulty bottles onto an accuted around the driving pulley fill, the prime mover pulhey i nd the guide pulleys elli, 49, Ml, 5i, and thus the rotatof the pulley t-"/ is transmitted to the driving pulley bottle driving section 53.
  • the extent of the bottle driving section can be adjusted by changing the positions of the guide pulley til, while the tension of the belt 52 can be adjtun. d by changing the position of one or both of the guide pulle, till.
  • the driving pulleys Elli mounted in the turret mechanism are rotated with a speed corresponding to the sum of the speed of driven by the prime mover pulley 4"), and the iheral speed of the rotating turret mechanism so that, in rte the bottles l at a constant speed by the driving independently of the rotating speed of turret is necessary only to provide differential gear rich drives a prime mover pulley l? at a speed corrig to the difference between the speed of the output Jun ofthe reduction gear 55:, rotated at.
  • the bottle l is ietween the mouth holder 3 and the bottle supot tit utlv hold 1 then descend suddenly to a horizontal braking section 78, in which the bottle supports are braked to stop.
  • the bottle mouth lifting cam slot 20 ascends suddenly up to the position 79 in the plane passing through the axis of the central shaft 8 of the turret and the axis of the star wheel 40, while the bottle support lifting cam slot 21 descends slightly. Both cam slots 20, 21 extend horizontally past the position 79, and then upwardly offset.
  • an amplifier checking device which will be explained later, operates.
  • the inspecting field m of the inner surface inspecting mirror 4 is selected small.
  • the area of the image 81a of a foreign particle or substance 81 shown in FIG. 10 is small with respect to the area S of the entire field of the inner surface inspecting mirror 4, the signal ratio 'y/S detected by a light receiving element 82 of the mirror 4 is so small that the foreign particle or substance may not be detected.
  • a reticule 83 as shown in FIGS. 10 and 11 is rotated between each mirror 4 and each light receiving element 82.
  • the image 81a of the foreign particle or substance 81 upon rotation of the reticule 83, is shielded by the reticule 83 and appears between its legs so that an output signal having the sine wave form as shown in FIG. 11 is generated at the light receiving element 82.
  • the signal ratio detected by the light receiving element 82 becomes (y/S-S'), that is, larger than the signal ratio (y/S), and, therefore, the foreign particle or substance can be more surely detected.
  • Driving mechanisms 84 for the reticules 83 are shown in FIGS. 5 and 8.
  • Pulleys 84a carrying the reticules 83 are rotatably supported on the support members 84b.
  • Belts 842 are each entrained around the large diameter portion of a stepped pulley 840 on the top of every other guide rod 15, two of the pulleys 84a and a tension pulley 84d.
  • a belt 84h is entrained around the small diameter portions of all the stepped pulleys 84c and a pulley 84g of on electric motor 84f (FIG. 4). All the reticules 83 are simultaneously rotated by the motor 84f.
  • each belt 842 is entrained around two pulleys 84a carrying the reticule. However, it may be entrained around three pulleys 84a as shown in FIG. 6.
  • a hold checking element 85 is provided at the position 74 slightly apart from the position 73 at which the bottle 1 is held, as shown in FIGS. 7 and 12, and a protruding piece 86 is mounted on the upper bracket 22.
  • the switch of the checking element 85 is closed at every passage of the bottle supports 2, but it remains open in the intermediate state so that a complicated discriminator circuit is additionally required.
  • the hold checking element 85 is so arranged below the protruding piece 86 that the protruding piece element 85 only when bottle mouth holder 3 is not holding the mouth of a bottle. whereby the checking element 85 generates a signal only in case of incorrect holding of bottle, the circuit construction for hold checking can be very much simplified.
  • an amplifier unit 87 On the top of the turret mechanism there is provided an amplifier unit 87, as shown in FIG. 4, which consists of an amplifier 87a connected to the output of a photoelectric element 82, a frequency band-pass amplifier 87c connected to the output of the amplifier 87a through a condenser 87b, an element 87d, a Schtnitt trigger circuit 87e provided with a level for separating noise signals, and a memory circuit 87f, as shown in FIG. 8.
  • the frequency band-pass amplifier 87a is provided with an amplification factor regulator 88, and the memory circuit 87fhas a signal transferring element 89.
  • Regulator 88 and element 89 are mounted on a plate 90 comprised by the outer periphery of upper flange ll of the turret.
  • a rotary transformer 91 is provided at the top of the central shaft 8, as shown in FIG. 4, the primary side thereof being fixed on the central shaft 8, while the secondary side is mounted on the upper flange ll of the turret and the electric potential for energizing the motor 84f, for the reticule, and the amplifier unit 87.
  • an amplifier checking mechanism 92 consisting of a lighting device 92a for checking, a very small light shielding piece 921; which generates an output responsive to foreign particles or substances on the bottle wall and a very small light shielding piece 92c responsive to nonexistence of foreign particles or substances of the bottle wall.
  • a signal receiving mechanism 93 is provided facing the signal transferring plate and adjacent to the very small light shielding piece 92, as shown in FIG. 7.
  • the foreign particles or substance 81 on bottles 1 are detected by the inner surface inspecting mirror 4 and the light receiving element 82 so that a signal is transmitted to the signal transferring element 89 and then received by the signal receiving mechanism 93.
  • faulty bottles are selected out by the carryout device for faulty bottles provided at the star wheel 43.
  • a checking signal of the amplifier unit 87 detected by the amplifier checking mechanism 92 is also received to energize an indicator (not shown), whereby nonoperation of the amplifier unit 87 can be immediately informed.
  • the whole device is brought into operation by starting the motor 54 in FIG. 13 and the motor 84f for, reticules, through the rotary transformer 91 in FIG, 4 and energizing the irradiating units 5 and amplifier unit 87.
  • bottles 1 are fed one by one to the bottle supports 2 through the fiat portions 36a of the bottle guide members 36, and each held tightly between the bottle support 2 and bottle mouth holder 3 immediately after the position 73 shown in FIG. 7 and 12.
  • the bottles after inspection of their holding at the position 74, ascend suddenly while each is being held between a bottle support 2 and a bottle mouth holder 3 and being rotated about its own axis by means of the driving belt 52, and go into the lighting section 5 in which the irradiating units 5 operate.
  • each bottle I is scanned helically from its bottom to its top by means of the inner surface inspecting mirror 4 for detecting foreign particles or substances adhered thereon.
  • an output signal is generated at the light receiving element 83, and is amplified and stored in the amplifier unit 87.
  • the bottles 1 are transferred from the bottle supports 2 and the flat portions 361: of the bottle guide members 36 to the bottle bottom inspecting device 44.
  • the signal which has been sent from the light receiving element 82 in the bottle I held between the bottle supports 2 and the bottle mouth holders 3 and stored in the amplifier unit 87,
  • the faulty bottle is moved away to the table of the accumulator 46 by means of the suction means provided at the outfeed star wheel 43.
  • the faulty bottle on whose bottom foreign particles or substances are adhered, is, of course, removed by means of the bottom inspecting device 44. Clean bottles without foreign particles or substances are transferred onto the conveyor C.
  • the inner surface inspecting mirror 4 comes to face the amplifier checking mechanism, it checks whether the amplifier unit 87 operates normally or not, and, if the unit 87 is normal, the operation thereof is carried on while if abnormal, the indicating unit (not shown) acts to stop immediately the device, for the inspection of the faulty part.
  • each bottle mouth holder 3 is so mounted through the bearing 26 to the bottle mouth bracket 22 that it can not be moved in the vertical direction with respect to the bottle mouth brackets 22.
  • each bottle mouth holder 3 may be rotatably supported in an inner sleeve 102 through axial bearings 101, which sleeve is in turn fitted in the bottle mouth bracket 22 through a slide bearing 103 which is also slidable in the axial direction, and compression springs 104, 105 are interposed between the upper and lower flanges 102a, 102b of the inner sleeve 102 and the bracket 22, respectively, whereby the bottle mouth holder 3 is not only movable in the vertical direction but also rotatable.
  • each bottle mouth bracket 22 may be fixed on the bottle mouth lifting tube 16 as a unit therewith, so that the elastic supporting mechanisms 23, 24, 25 in FIG. 4 can be omitted, as shown in FIG. 15.
  • the clamping portion 22a of the bracket 22 for the bottle mouth lifting tube 16 is split and fastened together by means of bolts and nuts 2211, so that the position in the vertical direction of the bottle mouth support 3 may be easily adjusted. This is particularly effective for inspecting bottles having a different height by a single device.
  • the brake rotor 32 is mounted on each bottle mouth lifting rod 29 as one body, while the brake stator 35 is mounted on the carrier 33 through interposition of the spring 34.
  • a brake rotor 32 may be slidably fitted on the splined bottle mouth lifting rod 29 and biased downwardly by means of a coil spring 34 whose upper end engages a carrier 33 fixed on the rod 29, as shown in FIG. 17.
  • Brake shoes 106 may also be provided on the upper surface of the brake stator 35 and on the lower surface of the brake rotor 32.
  • the bottle support bracket 27 for each support lifting tube 17 may be formed at its mounting portion 27a in the shape of a cylinder extending downwards, the portion 27a being connected fixedly with the upper end of the bottle support lifting tube 17.
  • a slide ball bearing 107 is provided between the bottle support bracket 27 and the bottle mouth lifting tube 16. Further a slide ball bearing 108 is also provided between the bracket 27 and the guide rod 14.
  • a guide member 109 maybe formed with notches 109a adapted, for insertion of the bottle support 2, and slits 109b opening thereto, adapted to pass the bottle support bracket 27, as shown in FIGS. 18 and 19.
  • the height of the turret mechanism can be considerably reduced
  • a method of inspecting bottles for adherent foreign matter comprising the steps of directing diffused light rays, from an external light source, laterally through bottles to be inspected; rotating the bottles relative to the light source; diffusely reflecting light rays which have passed through the bottles at locations on the opposite sides of the bottles from the light source; directing the diffused reflected light rays on the bottles; and optically scanning, interiorly of the bottles, the
  • a method 0 inspecting bottles for a herent foreign matter comprising the steps of moving the bottles in spaced relation along a path of travel while rotating and axially reciprocating the bottles; during travel of the bottles along the path, directing diffused light rays, from an external source of light, laterally through the bottles to be inspected; simultane' ously optically scanning, interiorly of the bottles, the diffused light within the bottles during such rotation and axial reciprocation to provide optical output signals corresponding to the scanned diffused light within the bottles; converting the opti' cal output signals into electrical signals; responsive to the electrical signals, separating bottles having adherent foreign matter from bottles free of adherent foreign matter; diffusely reflecting light rays which have passed through the bottles from locations on the sides of the bottles opposite the light source; directing the reflected diffused light rays on the bottles; and optically scanning the reflected diffused light within the bottles.
  • Apparatus for inspecting bottles for adherent foreign matter comprising, in combination, at least one external light source; means operable to direct diffused light rays from said source laterally through the bottles to be inspected; at least one optical system insertable into the bottles to optically scan, interiorly of the bottles, the diffused light within the bottles; driving mechanism operable to effect relative rotation of said bottles and said optical system during such optical scanning; and reflecting means positioned on the sides of said bottles opposite said light source and operable to diffusely reflect light rays, which have passed through the bottles, on the bottles; said optical system scanning the reflected diffused light within the bottles.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Specific Conveyance Elements (AREA)
  • Sorting Of Articles (AREA)
US795229*A 1968-02-02 1969-01-30 Method and device for inspecting bottle by radiant energy Expired - Lifetime US3601616A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP43006051A JPS4837630B1 (enrdf_load_stackoverflow) 1968-02-02 1968-02-02

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US3601616A true US3601616A (en) 1971-08-24

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US795229*A Expired - Lifetime US3601616A (en) 1968-02-02 1969-01-30 Method and device for inspecting bottle by radiant energy

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US (1) US3601616A (enrdf_load_stackoverflow)
JP (1) JPS4837630B1 (enrdf_load_stackoverflow)
DE (1) DE1905050C3 (enrdf_load_stackoverflow)
GB (1) GB1246561A (enrdf_load_stackoverflow)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3743123A (en) * 1972-01-26 1973-07-03 Emhart Corp Feed mechanism for turret type article inspection machine
US3746165A (en) * 1971-02-11 1973-07-17 Fords Ltd Bottle inspection apparatus
US3811567A (en) * 1971-12-22 1974-05-21 Takeda Chemical Industries Ltd Apparatus for insepction of ampoules
US4047000A (en) * 1975-12-02 1977-09-06 Powers Manufacturing, Inc. Control system for computer controlled identification of bottles
FR2435696A1 (fr) * 1978-09-11 1980-04-04 Sohlberg Ab Oy G W Procede et dispositif de mesure de l'epaisseur de paroi d'un article en matiere plastique
US4497409A (en) * 1982-12-27 1985-02-05 Chong Wun C Seam inspection apparatus
US4852415A (en) * 1987-05-12 1989-08-01 Elpatronic Ag Inspection machine for plastic bottles
DE4002034C1 (enrdf_load_stackoverflow) * 1989-12-05 1991-05-02 Elpatronic Ag, Zug, Ch
US5049750A (en) * 1987-12-16 1991-09-17 Dai Nippon Insatsu Kabushiki Kaisha Apparatus and system for inspecting wall thickness of synthetic resin containers
US5165551A (en) * 1990-03-30 1992-11-24 Automation Associates, Inc. Apparatus and method for detecting defects in an article
EP0555646A3 (en) * 1992-01-16 1994-05-18 Krieg Gunther Method and device for detecting and identifying injurious substances in beverage bottles in a filling line
US5442446A (en) * 1994-08-19 1995-08-15 Owens-Brockaway Glass Container Inc. Inspection of transparent containers
DE19723706A1 (de) * 1997-06-06 1998-12-10 Neumo Gmbh Verfahren und System zur optischen Inspektion eines Behälterinnenraums
US6557695B2 (en) 2001-08-01 2003-05-06 Owens-Brockway Glass Container Inc. Apparatus and method for inspecting non-round containers
US6581751B1 (en) 2000-10-04 2003-06-24 Owens-Brockway Glass Container Inc. Method and apparatus for inspecting articles of glassware
US7060999B2 (en) 2004-07-09 2006-06-13 Owens-Brockway Glass Container Inc. Apparatus and method for inspecting ribbed containers
FR2905880A1 (fr) * 2006-09-14 2008-03-21 Briane Environnement Soc Par A Procede et dispositif de triage de contenants a des fins de recyclage
US20180357757A1 (en) * 2017-06-13 2018-12-13 Konica Minolta, Inc. Defect inspection apparatus for tubular product such as intermediate transfer belt

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FR2395081A1 (fr) * 1977-06-22 1979-01-19 Manurhin Dispositif de controle et d'elimination automatique de produits dans une installation en cinematique continue
JPS54133031U (enrdf_load_stackoverflow) * 1978-03-06 1979-09-14
DE3330817A1 (de) * 1983-08-26 1985-03-14 Holstein Und Kappert Gmbh, 4600 Dortmund Vorrichtung zur bereitschaftsueberpruefung von inspektionsmaschinen
JPS6428088U (enrdf_load_stackoverflow) * 1987-08-10 1989-02-17
DE102010046461B4 (de) * 2010-09-24 2020-06-18 Symplex Vision Systems Gmbh Inspektionsverfahren, Inspektionsstation und Belichtungs- und Auswertevorrichtung

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Cited By (29)

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US3746165A (en) * 1971-02-11 1973-07-17 Fords Ltd Bottle inspection apparatus
US3811567A (en) * 1971-12-22 1974-05-21 Takeda Chemical Industries Ltd Apparatus for insepction of ampoules
US3743123A (en) * 1972-01-26 1973-07-03 Emhart Corp Feed mechanism for turret type article inspection machine
US4047000A (en) * 1975-12-02 1977-09-06 Powers Manufacturing, Inc. Control system for computer controlled identification of bottles
FR2435696A1 (fr) * 1978-09-11 1980-04-04 Sohlberg Ab Oy G W Procede et dispositif de mesure de l'epaisseur de paroi d'un article en matiere plastique
US4497409A (en) * 1982-12-27 1985-02-05 Chong Wun C Seam inspection apparatus
US4852415A (en) * 1987-05-12 1989-08-01 Elpatronic Ag Inspection machine for plastic bottles
US5049750A (en) * 1987-12-16 1991-09-17 Dai Nippon Insatsu Kabushiki Kaisha Apparatus and system for inspecting wall thickness of synthetic resin containers
DE4002034C1 (enrdf_load_stackoverflow) * 1989-12-05 1991-05-02 Elpatronic Ag, Zug, Ch
EP0431406A1 (de) * 1989-12-05 1991-06-12 Elpatronic Ag Vorrichtung zum Beleuchten eines zu prüfenden Bereiches einer Flasche
WO1991008468A1 (de) * 1989-12-05 1991-06-13 Elpatronic Ag Vorrichtung zum beleuchten eines zu prüfenden bereiches einer flasche
US5165551A (en) * 1990-03-30 1992-11-24 Automation Associates, Inc. Apparatus and method for detecting defects in an article
EP0555646A3 (en) * 1992-01-16 1994-05-18 Krieg Gunther Method and device for detecting and identifying injurious substances in beverage bottles in a filling line
US5405014A (en) * 1992-01-16 1995-04-11 Gunther Krieg Method and device for the detection and identification of harmful substances in beverage bottles in filling lines
US5442446A (en) * 1994-08-19 1995-08-15 Owens-Brockaway Glass Container Inc. Inspection of transparent containers
DE19723706A1 (de) * 1997-06-06 1998-12-10 Neumo Gmbh Verfahren und System zur optischen Inspektion eines Behälterinnenraums
US20050092577A1 (en) * 2000-10-04 2005-05-05 Nickey George A. Method and apparatus for inspecting articles of glassware
US6581751B1 (en) 2000-10-04 2003-06-24 Owens-Brockway Glass Container Inc. Method and apparatus for inspecting articles of glassware
US6745890B2 (en) 2000-10-04 2004-06-08 Owens-Brockway Glass Container Inc. Method and apparatus for inspecting articles of glassware
US20040118162A1 (en) * 2000-10-04 2004-06-24 Nickey George A. Method and apparatus for inspecting articles of glassware
US6848564B2 (en) 2000-10-04 2005-02-01 Owens-Brockway Glass Container Inc. Method and apparatus for inspecting articles of glassware
US7261197B2 (en) * 2000-10-04 2007-08-28 Owens-Brockway Glass Container Inc. Method and apparatus for inspecting articles of glassware
US6557695B2 (en) 2001-08-01 2003-05-06 Owens-Brockway Glass Container Inc. Apparatus and method for inspecting non-round containers
US7060999B2 (en) 2004-07-09 2006-06-13 Owens-Brockway Glass Container Inc. Apparatus and method for inspecting ribbed containers
FR2905880A1 (fr) * 2006-09-14 2008-03-21 Briane Environnement Soc Par A Procede et dispositif de triage de contenants a des fins de recyclage
WO2008031977A3 (fr) * 2006-09-14 2008-05-08 Briane Environnement Procédé et dispositif de triage de contenants a des fins de recyclage
US20100072114A1 (en) * 2006-09-14 2010-03-25 Briane Gerard Method and device for sorting containers for recycling purposes
US20180357757A1 (en) * 2017-06-13 2018-12-13 Konica Minolta, Inc. Defect inspection apparatus for tubular product such as intermediate transfer belt
CN109085182A (zh) * 2017-06-13 2018-12-25 柯尼卡美能达株式会社 筒状物的缺陷检查装置

Also Published As

Publication number Publication date
DE1905050C3 (de) 1980-08-28
DE1905050A1 (de) 1970-09-17
GB1246561A (en) 1971-09-15
JPS4837630B1 (enrdf_load_stackoverflow) 1973-11-12
DE1905050B2 (de) 1974-07-04

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