WO2004038393A1 - 容器検査方法及び容器検査装置 - Google Patents
容器検査方法及び容器検査装置 Download PDFInfo
- Publication number
- WO2004038393A1 WO2004038393A1 PCT/JP2003/013230 JP0313230W WO2004038393A1 WO 2004038393 A1 WO2004038393 A1 WO 2004038393A1 JP 0313230 W JP0313230 W JP 0313230W WO 2004038393 A1 WO2004038393 A1 WO 2004038393A1
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- WIPO (PCT)
- Prior art keywords
- seal
- container
- inspection
- subject
- flap
- Prior art date
Links
- 238000007689 inspection Methods 0.000 title claims abstract description 146
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000002648 laminated material Substances 0.000 claims abstract description 9
- 238000007781 pre-processing Methods 0.000 claims abstract description 3
- 239000005022 packaging material Substances 0.000 claims description 23
- 238000004806 packaging method and process Methods 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 20
- 235000013305 food Nutrition 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims 2
- 238000012856 packing Methods 0.000 claims 2
- 238000003860 storage Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 22
- 235000021056 liquid food Nutrition 0.000 description 11
- 230000002950 deficient Effects 0.000 description 9
- 238000004364 calculation method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000004836 empirical method Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000011179 visual inspection Methods 0.000 description 4
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 3
- 235000013336 milk Nutrition 0.000 description 3
- 239000008267 milk Substances 0.000 description 3
- 210000004080 milk Anatomy 0.000 description 3
- 239000012768 molten material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000012815 thermoplastic material Substances 0.000 description 2
- 206010025421 Macule Diseases 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011059 hazard and critical control points analysis Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000003206 sterilizing agent Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/24—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for shaping or reshaping completed packages
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B57/00—Automatic control, checking, warning, or safety devices
- B65B57/02—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
- B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
- B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
- B65B9/2035—Tube guiding means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/24—Investigating the presence of flaws
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/92—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating breakdown voltage
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/82—Testing the joint
- B29C65/8207—Testing the joint by mechanical methods
- B29C65/8223—Peel tests
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/82—Testing the joint
- B29C65/8207—Testing the joint by mechanical methods
- B29C65/8246—Pressure tests, e.g. hydrostatic pressure tests
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/82—Testing the joint
- B29C65/8253—Testing the joint by the use of waves or particle radiation, e.g. visual examination, scanning electron microscopy, or X-rays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/431—Joining the articles to themselves
- B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
- B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/84—Specific machine types or machines suitable for specific applications
- B29C66/849—Packaging machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7162—Boxes, cartons, cases
- B29L2031/7166—Cartons of the fruit juice or milk type, i.e. containers of polygonal cross sections formed by folding blanks into a tubular body with end-closing or contents-supporting elements, e.g. gable type 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
- G01N21/909—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
Definitions
- the present invention relates to a container inspection method and a container inspection device for inspecting the quality of a paper container or the like filled with liquid food such as juice or milk.
- a web-shaped packaging laminated material having a predetermined fold line is formed into a tube shape, and both ends of the packaging material are formed into tubes.
- the overlap is formed to form an overlap.
- the overlap vertically seals the tube in the longitudinal direction, fills the tube-shaped packaging material with food, presses the tubular packaging material at predetermined intervals, and traverses the transverse direction. Sealed with a seal, cut in the middle of the horizontal seal zone to obtain a pillow-shaped preform, and folded along the fold line to seal the flap containing the horizontal seal zone on the container side wall and container bottom, and the final shape Obtain a container.
- the packaging material web 1 having a thermoplastic material layer in the inner and outer layers is unwound, and is conveyed through the filling machine by rollers, and the strip tape 2 is stripped by the strip tape applicator 3.
- Bonded to one end of the packaging material web inside the sterilant tank 4 Is passed through a web of packaging material for sterilization, the sterilizing agent is removed by an air knife 5, and formed into a tube by a molding roller 6, and both ends of the packaging material are overlapped to form an overlap, and a vertical overlap is used.
- the tube is sealed in the vertical direction by the vertical sealing element 8 to form a vertical sealing zone, and the liquid food is filled from the filling pipe 7 into the tube, and this tube has a length corresponding to one packaging container. While being fed downward by a certain distance, it is sandwiched by the seal jaws 10 and the opposing jaws 11 and horizontally sealed in the transverse direction to form two transverse seal zones.
- the pillow-shaped preform is cut into individual pillow-shaped preforms 13 by cutting the middle of the sealing zone of the pillow-shaped preform with a knife or the like, and the pillow-shaped preforms cut off in the final folder 15
- the upper and lower flaps of the molded body are bent to form the final form of packaging and filling container 14.
- FIG. 2 shows a mode in which the pillow-shaped preform 13 is folded at the final folder 15.
- the pillow-shaped preform 13 is sealed with two horizontal (horizontal) sealing zones 23 and a vertical sealing zone 26 and has side walls 22, 22 b and 22 a separated by a fold line . (See Fig. 2 (a))
- the main body of the pillow-shaped preform is formed into a rectangular parallelepiped along the fold line, and the lateral seal zone 23 and the flaps 24, 25 are formed at the ends. Are formed upright from the vessel wall.
- the horizontal seal zone 23 stands upright from the bottom surface 22b and the top surface 22a, and the flaps 24, 25 communicate integrally with the container wall via the ridges 25a, 24a. I do.
- Fig. 3 shows a rectangular parallelepiped liquid food-filled paper container (Fig. 3 (a)) shown in Fig. 2 and a liquid food-filled paper container (Fig. (b) An external perspective view of) is shown.
- the container 14 has a folded horizontal seal band 23, container walls 22 and 22a, and a vertical seal band 26 extending from the top wall 22a to the bottom through the back wall. It has a flap 24 folded through the ridge 24a.
- Each container has a sealing hole 33 for a straw, a spout 32 and a sealed pull-tab 31. In the sealing zone, a sufficient seal must be provided so that the liquid food contained in the container does not leak or come into contact with the outside air.
- the molten thermoplastic material of the packaging laminate material may protrude into the container filled with the contents.
- the molten material comes into direct contact with the contents of liquid food, etc., rapidly cools and becomes brittle, and the laminated material may break from the protruding portion.
- the liquid food containers produced by the filling and packaging machine are periodically and individually extracted by the operator of the machine, and the containers are placed in flaps.
- the container is peeled off from the container wall, and the rectangular parallelepiped container is made into a macula shape.
- the seal strength, the presence or absence of pinholes, and the overlap width of the vertical seal are inspected by relying on the empirical method of the operator. Disclosure of the invention
- Inspections based on empirical methods are based on the subjective judgment of workers, and there are individual differences in the results, making it difficult to statistically store objective data.
- the present invention is not a container quality inspection based on an individual and empirical method of an operator, but is not affected by the skill of the operator, and can eliminate human errors such as missing records and clerical errors. It is an object of the present invention to provide a container inspection method and a container inspection device which are not based on the subjective judgment of the above, but whose results are objective, and which facilitate the statistical preservation of the objective data.
- a web-shaped packaging laminated material having a predetermined fold line is formed in a tube shape, and both ends of the packaging material are overlapped to form an o-bar wrap.
- a vertical seal band is formed in the vertical line direction by overlapping, a foodstuff is filled in the tubular packaging material, and at predetermined intervals, the packaging material is pressed in a transverse direction, and is sealed by a horizontal seal.
- Sealed and horizontal sealing zone Is formed and cut in the middle of the horizontal sealing zone to obtain a pillow-shaped preform, and the flap formed by folding along the fold line is sealed to the container side wall and Z or the container bottom surface to obtain the final shape. Inspection of a sealed container, wherein the pretreatment means rotates the flap sealed on the container wall around a ridge where the flap communicates integrally with the container wall to rotate the container wall.
- the seal damage inspection means is configured to inspect the seal zone for damage based on a feedback current flowing through the second electrode.
- a container inspection method and a container inspection device can be obtained that are not based on subjective judgments, have objective results, and can be easily stored statistically in an objective manner.
- a web-like packaging laminated material having a predetermined fold line is formed into a tube shape, and both ends of the packaging material are overlapped to form an overlap.
- the overlap is vertically sealed in the vertical direction to form a vertical sealing zone, the tubular packaging material is filled with food, and the packaging material is pressed in the transverse direction at predetermined intervals.
- the seal is sealed by the horizontal seal to form a horizontal seal zone, and cut in the middle of the horizontal seal zone to obtain a pillow-shaped preform, and the flap formed by folding along the fold line is used to form the container side wall and Z or A method of inspecting the container for a sealed container having a final shape obtained by being sealed on a container bottom surface,
- the flap sealed to the container wall is rotated around the ridge where the flap communicates integrally with the container wall, peeled off from the container wall, and returned to the shape of the pillow-shaped preform,
- the overlap width and the unevenness of the outer surface of the lateral seal band edge on the inner side of the container in the subject subjected to the seal inspection are measured by image processing means and inspected by image processing.
- a first electrode disposed at a distance from the seal zone of the subject, a second electrode disposed to contact the subject, and a feedback flowing through the second electrode. Inspect the seal zone for damage based on current
- the inspection result of the seal quality inspection, the inspection by image processing, and the inspection of the seal band for damage is processed. Save and output.
- the container inspection device according to the present invention has a predetermined crease line.
- the web-like packaging laminated material is formed into a tube, and both ends of the packaging material are overlapped to form an overlap, and the overlap forms a vertical line.
- a vertical seal zone is formed in the vertical direction to form a vertical seal zone, the food is filled in the tubular packaging material, and the packaging material is pressed in the transverse direction at predetermined intervals, and sealed by the horizontal seal, and the horizontal seal zone is formed.
- a seal quality means for measuring a capacitance and a loss coefficient with respect to the seal band of the subject to check a seal quality
- Image processing means for measuring the overlap width and the unevenness of the outer surface of the lateral seal band edge on the inner side of the container in the subject subjected to seal inspection, and inspecting the image by image processing;
- a first electrode is disposed at a distance from the seal zone of the subject, a second electrode is disposed to contact the subject, and the feedback flowing to the second electrode is provided.
- a seal damage inspection means for inspecting the seal zone for damage based on the leakage current.
- the container inspection device, the image processing unit, and the seal damage inspection unit are controlled, and a determination result is received in accordance with an instruction signal.
- a control sorting unit for sorting the subject BRIEF DESCRIPTION OF THE FIGURES
- Fig. 1 is an external view of a packaging and filling machine for paper packaging containers.
- FIG. 2 is an external view illustrating a form in which a preformed body is formed into a paper packaging container having a final shape.
- FIG. 3 is an external view of an example of a paper packaging container. '
- FIG. 4 is a perspective view of a subject according to one embodiment of the present invention.
- FIG. 5 is a front view and a side view of the developed subject in one embodiment of the present invention.
- FIG. 6 is an overall schematic diagram of a container inspection device according to one embodiment of the present invention.
- FIG. 7 is a schematic diagram of a container inspection device according to one embodiment of the present invention.
- FIG. 8 is a schematic diagram of a container inspection device according to one embodiment of the present invention.
- FIG. 9 is a schematic diagram of a container inspection device according to one embodiment of the present invention.
- FIG. 10 is a configuration diagram of a seal quality determination device circuit according to one embodiment of the present invention.
- BEST MODE FOR CARRYING OUT THE INVENTION is a configuration diagram of a seal quality determination device circuit according to one embodiment of the present invention.
- the packaging and filling device used in this embodiment is a packaging and filling machine as shown in FIG.
- the packaging material ⁇ 1 wound in a roll having a predetermined fold line is unwound and formed into a tube shape by a forming roller 6, and both ends of the packaging material are overlapped to form an overlap
- Vertically sealed in the vertical direction by the vertical seal element 8 with overlap food is filled from the filling pipe 7 into the tubular packaging material, and the tube is sent downward by the length equivalent to one packaging container, It is sandwiched between the sealing jaws 10 and the opposing jaws 11 and transversely sealed in the transverse direction to form two transverse sealing zones, and the middle of the sealing zone of the connected pillow-shaped preform is cut with a knife or the like.
- the individual pillow-shaped preforms 13 are cut into individual pillow-shaped preforms 13, and the upper and lower flaps of the pillow-shaped preforms that have been cut off in the final folder 1-15 are folded to form the final form of the packaging and filling container Molded into 14 to get.
- the inspection object in this form is a container obtained from this filling machine. Examples of the obtained container are a rectangular parallelepiped liquid food-filled paper container 14 as shown in FIG. 3 and a liquid food-filled container in a similar mode in which the center of the container body is an octagonal prism.
- the container 14 has a folded horizontal seal zone 23, container walls 22 and 22a, and a vertical seal zone 26 extending from the top wall 22a to the bottom through the back wall, and the ridge 2 It has a flap 24 folded through 4a.
- the flap in the pretreatment means, the flap is integrated with the container wall.
- the flap sealed to the container wall is rotated around the communicating ridge and peeled off from the container wall to return to the shape of the pillow-shaped preform.
- the above-mentioned container is substantially reversely shaped by the pretreatment means in the final shape of the container in which the flaps 24 and 25 are folded in the final folder 115 of the filling and packaging machine shown in FIG.
- the flaps 24, 25 sealed to the container wall 22 rotate around the ridges 24a, 25a whose flaps 25, 25 communicate integrally with the container wall. Then, it is peeled off from the wall of the container and returned to the shape of the pillow-shaped preform 13. Next, one side of the container wall 22 is cut in the transverse direction by a cutting means to take out the filled food, and the pillow-shaped preform is formed into a plate shape. Further, the specimen is cut at both ends in a direction parallel to the vertical seal 26 to create a subject as shown in FIG. Expand the wall of the cutter and, by the preparation means, expand the cut container into a substantially planar shape or a predetermined shape to prepare the subject 71 as shown in FIGS. 5 (a) and 5 (b). I do.
- the seal quality is measured by measuring a capacitance and a loss coefficient of a horizontal seal band and a vertical seal band of a subject by a seal quality means. Specifically, an alternating current is supplied to a portion to be inspected, which is to be inspected for the seal state of the seal zone, and based on the capacitance and loss coefficient as electrical variables of the inspected portion at that time, Inspect the seal condition by means of the seal quality.
- the seal quality means includes a power supply device as an applied voltage generating unit that generates an AC voltage applied to the pair of first and second electrodes and a portion to be inspected.
- AC a current sensor as an electrical variable detection unit for detecting capacitance and a loss coefficient in a part to be inspected, a voltage generated by the power supply device, and a current detected by the current sensor.
- a control unit consisting of a CPU etc., which controls the whole of the seal state inspection device, a display unit consisting of a display, etc., an operation unit for performing various operations, predetermined data It is equipped with a recording device for recording the information.
- the current sensor detects an alternating current flowing through the portion to be inspected, and forms a current detection unit.
- a voltage sensor as a voltage detection unit is provided, and the AC voltage is detected as an electrical variable by the voltage sensor.
- 1 shows an example of a circuit of a device for determining the quality of a seal according to one embodiment of the present invention.
- FIG. 10 is a configuration diagram of the circuit example.
- FIG. 10 an outline of the circuit and control of the device that determines the quality of the seal by measuring the capacitance and the loss coefficient of the heat seal portion (seal zone) will be described.
- the function of an LCR meter is used, and a function as an inspection device is added to the device.
- the signal generated by the frequency-variable basic waveform generating means is separated into 0-degree components, output and amplified, and then output to a predetermined measurement sample by the channel switching means.
- the channel switching means can switch to n channels.
- the output from the measurement sample is received by the auto gain adjusting means, and is subjected to current / voltage conversion to separate the 0-degree component.
- the separated signal is again auto-gain-adjusted and sent to the A / D conversion / calculation / judgment / measurement control means together with the 90-degree component separated signal.
- a ⁇ D conversion / calculation ⁇ Judgment A control signal is sent to the channel via the electrode solenoid control means.
- a ⁇ D conversion Z calculation ⁇ Judgment / measurement control means sends out a measurement control signal to the PLC interface for measurement control after calculation and judgment.
- the A'D conversion / calculation / judgment Z measurement control means sends the measurement data and the judgment result to the computer (PC) interface.
- PC computer
- the example of the circuit of the device for judging the quality of the seal described above allows the device to be relatively compact so that it can be incorporated into an automatic inspection device.
- the control software as a calculation function, the average value, maximum value, and dispersion value of the capacitance and the loss coefficient are obtained, and good / defective products are determined. Also, as an option, the measured value when there is no sample can be reflected in the judgment using a predetermined standard value.
- the seal test is performed on a subject whose seal has been inspected. The top width and the unevenness of the outer surface of the edge of the horizontal seal zone inside the container are measured by image processing means and inspected by image processing.
- the first edge of the edge and / or the second edge on the opposite side are imaged. It can be clarified on processing.
- the edge on the inner side of the container in the horizontal seal zone is measured by the detecting means over the entire length of the outer surface of the edge, and the unevenness of the outer surface is measured.
- the horizontal sealing is performed by the analyzing means. The quality of the band is determined.
- a first electrode is provided at a distance from a seal band of a subject, a second electrode is provided so as to contact the subject, and a second electrode is provided. Based on the feedback current flowing through the seal, the seal damage detection means detects damage to the seal zone (for example, pinholes).
- a first electrode (inspection electrode) for applying an inspection voltage to a subject is opposed to a vertical seal portion and / or a horizontal seal portion of the subject, and is disposed at a predetermined distance from the subject.
- the second electrode (earth electrode) is arranged so as to be in contact with the subject. During the test, the earth electrode and the container (subject) are always in contact.
- the test electrode is set to, for example, 8 at a frequency of 500 [Hz].
- the analysis unit checks whether or not the subject has been damaged based on the feedback current flowing through the second electrode.
- a container inspection method includes processing and storing inspection results of a seal quality inspection, an inspection by image processing, and an inspection for damage to a seal band. Both can be output.
- a container inspection device controls a seal quality unit, an image processing unit, and a seal damage inspection unit, receives a determination result in accordance with an instruction signal, and receives the determination result in accordance with the quality of the determination result.
- a control sorting means for sorting samples can be provided.
- FIG. 6 shows the overall configuration of the container inspection system.
- a sample container 14 for inspection is supplied from a paper container manufacturing machine (filling machine) as shown in FIG. 1 to a pretreatment means 61 and a specimen preparation means 62.
- a test piece (a piece of paper of a test piece) is processed.
- the container inspection apparatus automatically performs various inspections on the test piece. Inspection devices of this form include a seal inspection device for horizontal seals (63), a seal inspection device for vertical seals (66), image processing means (visual inspection device, 64), and seal damage inspection means (pinhole). Inspection equipment, 65).
- test results are notified and displayed through a touch panel 67 etc., and are systematically stored in the data logger 168 (or the host computer). If necessary, the results can also be printed by the printer 69, facilitating the creation of a daily work report. Furthermore, a 1D number is printed on the test piece by an inkjet printer or the like 70, so that the data can be compared with the actual test piece. Test pieces that have completed all processes are automatically placed in a storage box according to the inspection results (separated into non-defective products Y and defective products N), facilitating subsequent storage. Become.
- the configuration of the inspection device is such that the inspections are arranged circumferentially as shown in FIG.
- the test piece 71 is closed until the sample container 14 is unloaded from the pretreatment means 61 and the specimen preparation means 62 and is mounted on the specimen holder 72 (see FIG. 4). This is because the horizontal seal inspection (63) is easier to inspect when closed. In addition, the pinhole inspection (65) is preferably performed in the last step because it may damage the test piece.
- the advantage of the circumferential arrangement is that the electrical and pneumatic wiring to the subject holder 72 can be easily performed from the center of rotation using a slip ring, etc., and the test piece to the subject holder 72 This is a point that only one fixed Z positioning operation is required.
- There are two types of circumferential arrangement a vertical arrangement type (ferris wheel type) as shown in Fig.
- FIG. 7 shows a second layout example of the inspection apparatus according to the present invention.
- each of the inspection means is a seal inspection apparatus for a horizontal seal (63), a seal inspection apparatus for a vertical seal (66), an image processing means (appearance inspection apparatus, 64), a seal loss.
- Scratch inspection means pinhole inspection device, 65) are arranged in series, and the test piece 7
- the ground wire can be configured with low resistance, and the accuracy can be improved. Sandals In addition, the ground wire is not passed through the slip ring, contact connector, etc.
- FIG. 8 shows a third layout example of the inspection device according to the present invention. This is a derivative of the configuration of the second example layout shown in FIG. Seal inspection equipment for horizontal seal (63), seal inspection equipment for vertical seal (66), image processing means (visual inspection equipment, 64), seal damage inspection means (pinhole inspection equipment, 65)
- the test pieces 71 are arranged in parallel, each time loaded into each inspection station and positioned. There is an advantage that the installation area can be reduced.
- FIG. 9 shows a fourth layout example of the inspection apparatus according to the present invention.
- the inspection means constitutes an “inspection means group”, two on each side (can be increased as necessary), and these two groups have a structure that can slide in the direction of the arrow in the figure.
- the test test 71 is fixed to the subject holder 72 in a closed state, and the inspection by the seal inspection device (63) for the horizontal seal is performed. If there is a test piece in the object holder 72 on the skin side, an inspection is performed by image processing means (appearance inspection device, 64).
- the inspection device slides and the inspection can be performed by the vertical seal inspection device (66). If there is a test piece, inspection with seal damage inspection means (pinhole inspection device, 65) will also be possible. When these inspections are completed, the object holder 72 is rotated, and the other side is also subjected to the same image processing means (visual inspection equipment, 64) and seal damage inspection means (pinhole inspection equipment, 65). Perform an inspection. Since each inspection means can be arranged two-dimensionally, there is also an advantage that the floor area can be used effectively and the entire system can be made compact. As described above, according to the present invention, the following advantageous effects can be obtained.
- container quality can be inspected by a systematic and rational method.
- the container inspection method and container inspection device of the present invention can eliminate human errors such as missing records and erroneous writing without being affected by the skill level of workers.
- the result can be objective and the objective data can be statistically stored without being based on the subjective judgment of the operator.
- the container inspection method and the container inspection device of the present invention can reduce the work load of the worker.
- the container inspection method and container inspection device of the present invention it is possible to acquire objective data without any variation in experience, subjectivity, etc. for each worker, and systematically manage the obtained objective data with a computer. It can be printed out and used for daily reports, or connected to a higher-level computer for HACCP data management.
- the container inspection method and the container inspection apparatus according to the preferred embodiments of the present invention, the subject can be stored after the ID is added thereto, and the management becomes easy.
- the preferred embodiments of the container inspection method and the seal quality judging device circuit of the container inspection device of the present invention it is possible to make the container relatively small so that it can be incorporated into an automatic inspection device. Industrial applicability
- the inspection method and the inspection apparatus of the present invention are used for inspecting the quality of a paper container or the like filled with liquid foods such as juice and milk.
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- Engineering & Computer Science (AREA)
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
- Examining Or Testing Airtightness (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/532,115 US7167803B2 (en) | 2002-10-22 | 2003-10-16 | Vessel inspection method and vessel inspection device |
ES03756636T ES2385036T3 (es) | 2002-10-22 | 2003-10-16 | Método de inspección de recipientes y dispositivo de inspección de recipientes |
EP03756636A EP1555524B1 (en) | 2002-10-22 | 2003-10-16 | Vessel inspection method and vessel inspection device |
AU2003301571A AU2003301571B2 (en) | 2002-10-22 | 2003-10-16 | Vessel inspection method and vessel inspection device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002306841A JP3818954B2 (ja) | 2002-10-22 | 2002-10-22 | 容器検査方法及び容器検査装置 |
JP2002-306841 | 2002-10-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004038393A1 true WO2004038393A1 (ja) | 2004-05-06 |
Family
ID=32170920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/013230 WO2004038393A1 (ja) | 2002-10-22 | 2003-10-16 | 容器検査方法及び容器検査装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7167803B2 (ja) |
EP (1) | EP1555524B1 (ja) |
JP (1) | JP3818954B2 (ja) |
KR (1) | KR101013241B1 (ja) |
CN (1) | CN100445733C (ja) |
AU (1) | AU2003301571B2 (ja) |
ES (1) | ES2385036T3 (ja) |
WO (1) | WO2004038393A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105929108A (zh) * | 2016-04-12 | 2016-09-07 | 浙江省交通工程建设集团有限公司 | 预应力孔道压浆质量检测方法 |
Families Citing this family (15)
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JP3818952B2 (ja) * | 2002-10-15 | 2006-09-06 | 日本テトラパック株式会社 | 品質検査方法及び品質検査装置 |
JP4004918B2 (ja) * | 2002-10-22 | 2007-11-07 | 日本テトラパック株式会社 | 検体作成装置 |
JP2006098316A (ja) * | 2004-09-30 | 2006-04-13 | Nihon Tetra Pak Kk | 品質検査方法及び品質検査装置 |
JP4698406B2 (ja) * | 2005-12-20 | 2011-06-08 | 日本テトラパック株式会社 | シール状態検査装置及びシール状態検査方法 |
JP4698405B2 (ja) | 2005-12-20 | 2011-06-08 | 日本テトラパック株式会社 | シール状態検査装置及びシール状態検査方法 |
US8287270B2 (en) | 2009-09-30 | 2012-10-16 | Printpack Illinois Inc. | Methods and systems for thermoforming with billets |
BR112014005865A2 (pt) * | 2011-09-13 | 2017-04-04 | Pack Save Planet S L | processo e máquina para transformar eembalagens flexíveis; processo de aperfeiçoamento; embalagem flexível obtida e conjunto de embalagem |
CN102730245B (zh) * | 2012-06-29 | 2014-05-28 | 昆明展华科技有限公司 | 一种成箱卷烟的包装缺陷检测装置及检测方法 |
CN108367826B (zh) | 2015-12-30 | 2020-10-20 | 利乐拉瓦尔集团及财务有限公司 | 用于确保包装质量的方法和装置 |
US10343803B2 (en) | 2015-12-30 | 2019-07-09 | Tetra Laval Holdings & Finance S.A. | Methods and apparatuses for guided quality control of a packaging system |
CN107490578B (zh) * | 2016-06-12 | 2020-10-09 | 英泰克普拉斯有限公司 | 半导体元件检查装置 |
EP3824447B1 (en) * | 2018-07-19 | 2024-07-03 | Crane Payment Innovations, Inc. | Multipurpose cashbag level and banknote presence in escrow detector |
CN109444233A (zh) * | 2018-11-13 | 2019-03-08 | 安徽科宝生物工程有限公司 | 一种电化学工作站转换调节实验台 |
EP3757554A1 (en) * | 2019-06-27 | 2020-12-30 | Tetra Laval Holdings & Finance S.A. | A package seal control system, an upgrade kit, and a method for monitoring and optionally controlling the longitudinal seal of a package material in a packaging and filling machine |
EP3967476A1 (en) * | 2020-09-10 | 2022-03-16 | Tetra Laval Holdings & Finance S.A. | A method for assessing quality of a longitudinal sealing and a server |
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- 2002-10-22 JP JP2002306841A patent/JP3818954B2/ja not_active Expired - Fee Related
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- 2003-10-16 WO PCT/JP2003/013230 patent/WO2004038393A1/ja active Application Filing
- 2003-10-16 ES ES03756636T patent/ES2385036T3/es not_active Expired - Lifetime
- 2003-10-16 KR KR1020057006846A patent/KR101013241B1/ko not_active IP Right Cessation
- 2003-10-16 CN CNB200380101877XA patent/CN100445733C/zh not_active Expired - Fee Related
- 2003-10-16 AU AU2003301571A patent/AU2003301571B2/en not_active Ceased
- 2003-10-16 US US10/532,115 patent/US7167803B2/en not_active Expired - Fee Related
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JPS59154641U (ja) | 1983-03-11 | 1984-10-17 | 凸版印刷株式会社 | 印刷を施した製函用ブランクスの検査装置 |
JPH07146251A (ja) * | 1993-05-24 | 1995-06-06 | Anritsu Corp | シール部不良検出装置 |
JPH08301241A (ja) | 1995-04-28 | 1996-11-19 | Nakano Vinegar Co Ltd | 包装材のシール不良検出装置 |
JPH09207921A (ja) * | 1996-02-02 | 1997-08-12 | Robert Bosch Gmbh | 包装容器のシームをコントロールするための方法と装置 |
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CN105929108A (zh) * | 2016-04-12 | 2016-09-07 | 浙江省交通工程建设集团有限公司 | 预应力孔道压浆质量检测方法 |
CN105929108B (zh) * | 2016-04-12 | 2019-01-22 | 浙江交工集团股份有限公司 | 预应力孔道压浆质量检测方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2004144503A (ja) | 2004-05-20 |
AU2003301571A1 (en) | 2004-05-13 |
US7167803B2 (en) | 2007-01-23 |
EP1555524A1 (en) | 2005-07-20 |
ES2385036T3 (es) | 2012-07-17 |
EP1555524B1 (en) | 2012-06-06 |
KR20050070072A (ko) | 2005-07-05 |
JP3818954B2 (ja) | 2006-09-06 |
US20060109013A1 (en) | 2006-05-25 |
CN1705875A (zh) | 2005-12-07 |
KR101013241B1 (ko) | 2011-02-08 |
AU2003301571B2 (en) | 2008-05-08 |
EP1555524A4 (en) | 2011-03-02 |
CN100445733C (zh) | 2008-12-24 |
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