WO2022259951A1 - ブロー成形機および製品不良判定方法 - Google Patents
ブロー成形機および製品不良判定方法 Download PDFInfo
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- WO2022259951A1 WO2022259951A1 PCT/JP2022/022473 JP2022022473W WO2022259951A1 WO 2022259951 A1 WO2022259951 A1 WO 2022259951A1 JP 2022022473 W JP2022022473 W JP 2022022473W WO 2022259951 A1 WO2022259951 A1 WO 2022259951A1
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- WO
- WIPO (PCT)
- Prior art keywords
- molding machine
- blow molding
- sound
- product
- product defect
- Prior art date
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- 238000000071 blow moulding Methods 0.000 title claims abstract description 48
- 230000007547 defect Effects 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims description 15
- 230000002950 deficient Effects 0.000 claims description 11
- 230000005856 abnormality Effects 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 abstract description 7
- 238000000465 moulding Methods 0.000 description 56
- 239000000047 product Substances 0.000 description 49
- 238000004891 communication Methods 0.000 description 8
- -1 polyethylene terephthalate Polymers 0.000 description 5
- 235000013361 beverage Nutrition 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012263 liquid product Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000004278 EU approved seasoning Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- 244000299461 Theobroma cacao Species 0.000 description 1
- 235000009470 Theobroma cacao Nutrition 0.000 description 1
- 235000013334 alcoholic beverage Nutrition 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 235000013353 coffee beverage Nutrition 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 235000011194 food seasoning agent Nutrition 0.000 description 1
- QOSATHPSBFQAML-UHFFFAOYSA-N hydrogen peroxide;hydrate Chemical compound O.OO QOSATHPSBFQAML-UHFFFAOYSA-N 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 235000021056 liquid food Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000020124 milk-based beverage Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 235000015067 sauces Nutrition 0.000 description 1
- 235000014214 soft drink Nutrition 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 235000013322 soy milk Nutrition 0.000 description 1
- 235000013555 soy sauce Nutrition 0.000 description 1
- 235000011496 sports drink Nutrition 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
- 238000013316 zoning Methods 0.000 description 1
Images
Classifications
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/78—Measuring, controlling or regulating
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/78—Measuring, controlling or regulating
- B29C2049/7874—Preform or article shape, weight, defect or presence
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/78—Measuring, controlling or regulating
- B29C2049/7874—Preform or article shape, weight, defect or presence
- B29C2049/78765—Presence, e.g. of the preform in the mould
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/08—Biaxial stretching during blow-moulding
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/28—Blow-moulding apparatus
- B29C49/30—Blow-moulding apparatus having movable moulds or mould parts
- B29C49/36—Blow-moulding apparatus having movable moulds or mould parts rotatable about one axis
Definitions
- the present invention relates to a blow molding machine and a product defect determination method.
- Plastic bottles used for beverage containers and the like are generally obtained by biaxial stretch blow molding (hereinafter simply referred to as blow molding) using preforms as raw materials.
- blow molding In order to improve the productivity of plastic bottles, conventional studies have been made on how to prevent molding defects in blow molding.
- Patent Document 1 discloses a blow molding apparatus in which measures are taken to prevent burrs that adhere to a mold during molding from adhering to a product.
- Patent Document 2 discloses that it is possible to prevent molding defects such as whitening, distortion, and uneven molding, and to use it in combination with a sterilization method that sprays low-concentration hydrogen peroxide water.
- a beverage filling machine is disclosed.
- Patent Documents 1 and 2 are intended to prevent the occurrence of molding defects themselves, but from the viewpoint of detecting molding defects that could not be prevented and preventing defective products from flowing out to downstream processes. There is room for further consideration. For example, conventionally, the pressure of a pressurized fluid blown into a preform during blow molding is monitored and defective products are detected based on the pressure, but the detection accuracy is sometimes insufficient.
- a blow molding machine is a blow molding machine comprising a sound collector capable of detecting sound and at least one arithmetic device, wherein at least one of the arithmetic devices is detected by the sound collector. It is characterized by being capable of executing a product judgment function for judging whether or not there is a defective product based on an electrical signal associated with the generated sound.
- a product defect determination method includes a sound collection step of collecting sounds emitted from a blow molding machine, and determination of the presence or absence of product defects in the blow molding machine based on the sounds collected in the sound collection step. and a determination step for determining the
- the arithmetic device determines that the product defect exists when the intensity of a component related to sound of a predetermined frequency in the electrical signal exceeds a predetermined threshold. Then, it is preferable to determine.
- the predetermined frequency is preferably selected from 40 to 65 Hz or 5000 to 20000 Hz.
- the blow molding machine according to the present invention further includes a pressure gauge capable of detecting the pressure of the pressurized fluid supplied to inflate the product, and at least one of the computing devices is configured so that the pressure gauge It is preferable that a device determination function for determining whether or not there is an abnormality in the device based on the electrical signal related to the detected pressure can be further executed.
- the device determination function can be executed in addition to the product determination function, so the product quality can be maintained at a higher level.
- the arithmetic device determines that the product defect exists, the operator can be notified of the product defect.
- FIG. 1 is a schematic plan view of a rotary device
- blow molding machine and a product defect determination method according to the present invention will be described with reference to the drawings.
- the bottle molded in this embodiment is made of polyethylene terephthalate and is colorless and transparent.
- the bottle is obtained by biaxial stretch blow molding using a preform made of polyethylene terephthalate as a raw material.
- the capacity of the bottle is not particularly limited, and can be about 200 mL to 2 L, such as 280 mL, 350 mL, and 500 mL, which are generally distributed.
- Bottles can be used for beverages such as soft drinks (carbonated drinks, fruit drinks, coffee drinks, tea drinks, mineral water, soy milk, vegetable drinks, sports drinks, cocoa drinks, etc.), alcoholic drinks, milk drinks, etc. It is used for filling liquid products such as liquid foods such as soups and liquid seasonings such as sauces and soy sauce.
- the material constituting the bottle is not limited to polyethylene terephthalate, and may be, for example, polyethylene or polypropylene.
- a blow molding machine 1 includes a molding machine main body 2, a sound level meter 3, a pressure gauge 4, and a molding machine arithmetic device 5 (an example of the arithmetic device) (FIG. 1).
- the molding machine main body 2 has a plurality of molding machine units 21 and a rotary device 22, and the molding machine units 21 and the rotary device 22 are housed in a housing 23.
- 18 molding machine units 21 are arranged at regular intervals on the circumference of the rotary device 22 .
- Each molding machine unit 21 repeats a cycle of sequentially performing preform reception, primary stretching, secondary stretching, and bottle discharge while moving with the rotary motion of the rotary device 22 .
- Each molding machine unit 21 is provided with a mold, a stretching rod, a temperature control device, a pressurized air pipe, etc., all of which are known components of a biaxial stretch blow molding device. Therefore, the details will not be described here.
- FIG. 2 shows a schematic plan view of the rotary device 22, and represents the zoning of the rotary device 22 on the same drawing.
- the range of each zone is specified by the range of angles along the rotation direction (clockwise in this embodiment) of the rotary device 22, with the point 22a at which the preform is transferred from the previous process as 0°.
- the molding machine body 2 is configured to be able to output to the molding machine arithmetic unit 5 as an electric signal representing the angle value with respect to the current position of each molding machine unit 21 with the point 22a being 0°.
- a region with an angle of 0 to 38° is the preheating region 22b.
- a preform received by molding machine unit 21 at point 22a is heated while being transported through preheating area 22b.
- the output of the temperature control device is feedback-controlled so that the temperature setting values of each part (for example, preform 110° C., mold 74° C.) are realized.
- a region with an angle of 38 to 58° is the primary stretching region 22c.
- the preheated preform is longitudinally stretched by inserting a stretching rod while blowing pressurized air into the preform.
- a region with an angle of 58 to 250° is the secondary stretching region 22d.
- pressurized air is blown into the vertically stretched preform to horizontally stretch (expand) it.
- the profile of the transversely stretched preform is constrained by the mold to the shape of the bottle, thereby obtaining the bottle.
- part of the blown pressurized air is discharged. Exhausted pressurized air may also be recovered.
- a region with an angle of 250 to 360° (0°) is the ejection region 22e.
- the obtained bottles are discharged to the next process.
- the next preform is ready to be received before the molding machine unit 21 that discharged the bottle returns to the point 22a (0°). Air is also collected in the discharge area 22e.
- the sound level meter 3 has a sound collector 31 (an example of a sound collector) and a main body portion 32 .
- the body portion 32 is provided with a sound level meter computing device 33 (an example of a computing device), a display 34 and a communication unit 35 .
- the sound collector 31 is a device configured to be capable of detecting sound, converting the detected sound into an electric signal, and outputting the electric signal.
- the sound collector 31 is attached inside the housing 23 of the molding machine body 2 .
- the body portion 32 is attached to the outside of the housing 23 of the molding machine body 2 .
- the sound collector 31 and the main body 32 are connected by wire, and the electrical signal output from the sound collector 31 is input to the sound level meter computing device 33 .
- the sound level meter computing device 33 can execute a product determination function that determines whether or not there is a product defect based on the electrical signal associated with the sound detected by the sound collector 31 . Also, the sound level meter computing device 33 can communicate with other devices via the communication unit 35 . An empty bottle inspection machine (not shown) provided downstream of the blow molding machine 1 is exemplified as a partner with which the sound level meter computing device 33 communicates.
- the display 34 displays the operational status of the sound level meter 3, information about the detected sound, and the like.
- the pressure gauge 4 is configured to be able to detect the pressure of air (example of pressurized fluid) supplied to the molding machine body 2 .
- the piping for supplying air to the molding machine main body 2 is branched inside the molding machine main body 2 so as to reach each of the 18 molding machine units 21, and 18 pressure gauges 4 are provided correspondingly. ing. That is, the pressure of the air supplied to each molding machine unit 21 can be detected.
- the pressure gauge 4 can convert the detected pressure into an electric signal and output it.
- Pressure gauge 4 may be implemented as a strain gauge, for example.
- the molding machine arithmetic device 5 has a CPU 51 , a communication unit 52 and a storage unit 53 .
- the electric signal output from the pressure gauge 4 and the electric signal indicating the current position angle of each molding machine unit 21 output from the molding machine body 2 are input to the CPU 51 .
- the CPU 51 is configured to be able to execute a control program stored in the storage unit 53, and by executing the control program, can execute a device determination function for determining whether or not there is a device abnormality.
- the molding machine arithmetic device 5 can communicate with other devices via the communication unit 52.
- the molding machine arithmetic device 5 can issue various alarms to terminals owned by workers.
- the product judgment function is a function for judging the presence or absence of product defects based on the electrical signal output from the sound level meter 3 .
- Burst refers to a phenomenon in which the preform bursts at least partially during or after deformation when the inside of the preform is pressurized in the molding machine body 2 to deform the preform into the shape of a bottle.
- the wall surface of the bottle may be cracked or pitted, thus impairing the functionality of the bottle. Therefore, it is necessary to avoid filling burst bottles with liquid products.
- the sound level meter calculation device 33 detects environmental sounds (installed near the sound collector 31 The part based on the operating sound of the device, etc.) is distinguished from the part based on the plosive sound when a burst occurs, and when the electrical signal based on the plosive sound is input to the sound level meter calculation device 33, a product defect (burst) occurs. I judge that.
- the sound level meter calculation device 33 determines that a product defect (burst) has occurred when the intensity of a component related to sound of a predetermined frequency in the input electrical signal exceeds a threshold. .
- the predetermined frequency is preferably set to 40 to 65 Hz, for example.
- the intensity of both the environmental sound and the plosive sound is sufficiently high, so it is easy to obtain an electrical signal of sufficient quantity and quality for determination.
- the predetermined frequency is preferably set to 5000 to 20000 Hz as another example.
- the intensity of the plosive sound itself is smaller than that of 40 to 65 Hz, but the difference in intensity between the environmental sound and the plosive sound is large, making it easy to identify the presence or absence of the plosive sound.
- the predetermined frequency is more preferably 6000 Hz or higher, and even more preferably 7000 Hz or higher.
- the predetermined frequency is more preferably 10000 Hz or less, and even more preferably 8000 Hz or less. Accordingly, the predetermined frequency can be, for example, 7000-8200 Hz.
- the sound level meter computing device 33 sends a signal to the empty bottle inspection machine via the communication unit 35 to notify the burst.
- the empty bottle inspection machine Upon receiving the notification signal, the empty bottle inspection machine notifies the production control system (not shown) of the burst. Furthermore, the production control system transmits a signal notifying of the burst to the terminal owned by the worker. The notified operator inspects the bottles molded in the molding machine main body 2 during the time period including the time when the burst was detected, identifies the bottle in which the burst occurred, and rejects it.
- the device determination function is a function for determining whether there is an abnormality in the device based on the electrical signal output from the pressure gauge 4 .
- pressurized air is supplied to the inside of the preform to stretch the preform.
- the prescribed pressure of the supplied pressurized air differs between the primary stretching region 22c and the secondary stretching region 22d.
- the pressure gauge 4 is provided for each molding machine unit 21 (18 units in total), and can detect the pressure of the air supplied to each molding machine unit 21. Further, an electrical signal representing the current angular position of each molding machine unit 21 is input to the molding machine arithmetic device 5 .
- the molding machine arithmetic unit 5 can create a plot of the current angular position (horizontal axis) and the pressure of the supplied air (vertical axis) for each molding machine unit 21 . Then, for each of the primary stretching region 22c and the secondary stretching region 22d, the arithmetic unit determines a specified pressure range, and determines that an equipment failure occurs when the pressure deviates from the specified range. Deviations from the specified range can be caused, for example, by defective valves (leaking, clogging).
- the prescribed range of pressure in the primary stretching region 22c is 1.5 bar or more and 4.0 bar or less. Therefore, when the current position angle of the molding machine unit 21 is 38 to 58° and the pressure of the pressurized air is less than 1.5 bar or more than 4.0 bar, the molding machine arithmetic unit 5 (CPU 51) It is determined that an abnormality has occurred.
- the prescribed range of pressure in the secondary stretching region 22d is 20 bar or more and 40 bar or less. Therefore, when the current position angle of the molding machine unit 21 is 58 to 225° and the pressure of the pressurized air is less than 20 bar or more than 40 bar, the molding machine arithmetic unit 5 (CPU 51) indicates that an equipment abnormality has occurred. determine that there is
- the molding machine arithmetic unit 5 determines that there is an equipment abnormality such as a valve failure by the equipment determination function
- the molding machine arithmetic unit 5 transmits a signal for notifying the equipment abnormality via the communication unit 52 to the terminal owned by the operator. send to.
- the operator can recognize the device abnormality at an early stage.
- the blow molding machine 1 is equipped with the pressure gauge 4 and the molding machine arithmetic device 5 is configured to be capable of executing the device determination function has been described as an example.
- the blow molding machine according to the present invention does not have to be equipped with a pressure gauge.
- the product determination function determines that a product defect (burst) has occurred when the intensity of a component related to sound with a predetermined frequency exceeds a threshold.
- the method of determining whether or not there is a defective product is not limited to the above example.
- the predetermined frequency is not particularly limited. However, it is preferable that the predetermined frequency is selected from 40-65 Hz or 5000-20000 Hz.
- measures taken when the blow molding machine according to the present invention determines that there is a product defect are not limited to issuing an alarm.
- measures such as shutting down the blow molding machine or recording that a product defect has occurred can be taken.
- all measures, including those exemplified may be implemented in combination, including measures to issue an alert.
- a configuration in which such measures are not implemented may also be adopted.
- the presence or absence of measures to be taken when a product defect is detected and the details thereof can be appropriately set according to the environment in which the blow molding machine is operated (the number of workers, the required quality level, the status of other processes, etc.).
- the configuration in which the sound level meter computing device 33 provided in the sound level meter 3 can execute the product determination function has been described as an example.
- the product determination function may be configured to be executed by an arithmetic device provided in the main body of the blow molding machine.
- the configuration in which the sound level meter calculation device 33 can execute the product determination function and the molding machine calculation device 5 can execute the device determination function has been described as an example.
- the arithmetic device that performs both functions may be single or plural.
- the product determination function and the device determination function may be configured to be executed by an arithmetic device provided in the main body of the blow molding machine.
- the configuration in which the sound collector 31 is attached inside the housing 23 of the molding machine main body 2 has been described as an example.
- the place where the sound collector is installed in the blow molding machine according to the present invention is not limited, and may be, for example, outside the housing of the molding machine main body.
- the present invention can be used, for example, to find burst defects in blow molding machines.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
Description
本実施形態に係るブロー成形機1は、成形機本体2と、騒音計3と、圧力計4と、成形機演算装置5(演算装置の例)と、を備える(図1)。
製品判定機能は、騒音計3から出力された電気信号に基づいて製品不良の有無を判定する機能である。
機器判定機能は、圧力計4から出力された電気信号に基づいて機器異常の有無を判定する機能である。
最後に、本発明に係るブロー成形機および製品不良判定方法のその他の実施形態について説明する。なお、以下のそれぞれの実施形態で開示される構成は、矛盾が生じない限り、他の実施形態で開示される構成と組み合わせて適用することも可能である。
2 :成形機本体
21 :成形機ユニット
22 :ロータリー装置
22b :予熱領域
22c :一次延伸領域
22d :二次延伸領域
22e :排出領域
23 :ハウジング
3 :騒音計
31 :集音機
32 :本体部分
33 :騒音計演算装置
34 :ディスプレイ
35 :通信ユニット
4 :圧力計
5 :成形機演算装置
51 :CPU
52 :通信ユニット
53 :記憶ユニット
Claims (6)
- 音を検知可能な集音装置と、少なくとも一つの演算装置と、を備えるブロー成形機であって、
前記演算装置の少なくとも一つは、前記集音装置が検知した音に係る電気信号に基づいて製品不良の有無を判定する製品判定機能を実行可能に構成されているブロー成形機。 - 前記演算装置は、前記電気信号のうちの所定の周波数の音に関連する成分の強度が所定の閾値を超えた場合に、前記製品不良が存在すると判定する請求項1に記載のブロー成形機。
- 前記所定の周波数は、40~65Hzまたは5000~20000Hzから選択される請求項2に記載のブロー成形機。
- 製品を膨張させるために供給される加圧流体の圧力を検知可能な圧力計をさらに備え、
前記演算装置の少なくとも一つは、
前記圧力計が検知した圧力に係る前記電気信号に基づいて機器異常の有無を判定する機器判定機能をさらに実行可能に構成されている請求項1~3のいずれか一項に記載のブロー成形機。 - 前記演算装置は、前記製品不良が存在すると判定したときに、当該製品不良について作業者に報知可能に構成されている請求項1~4のいずれか一項に記載のブロー成形機。
- ブロー成形機から発せられる音を収集する集音工程と、
前記集音工程において収集した音に基づいて、前記ブロー成形機における製品不良の有無を判定する判定工程と、を備える製品不良判定方法。
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EP22820133.1A EP4353443A1 (en) | 2021-06-07 | 2022-06-02 | Blow molding machine and method for determining product defect |
CN202280039666.0A CN117412849A (zh) | 2021-06-07 | 2022-06-02 | 吹塑成形机及产品不良判定方法 |
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JP2021095079A JP2022187194A (ja) | 2021-06-07 | 2021-06-07 | ブロー成形機および製品不良判定方法 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0623832A (ja) * | 1992-03-17 | 1994-02-01 | Kao Corp | ブロー成形機の成形品取出方法及びシステム |
JP2003525147A (ja) * | 2000-03-01 | 2003-08-26 | シパ ソシエタ ペル アチオニ | 吹込成形された容器の破裂を自動検出するための装置を備えた吹込成形プラント |
JP2006247910A (ja) * | 2005-03-09 | 2006-09-21 | Tahara:Kk | 成形装置およびその異常表示方法 |
JP2016074219A (ja) | 2015-11-18 | 2016-05-12 | 大日本印刷株式会社 | 飲料充填方法及び装置 |
JP2020032610A (ja) | 2018-08-29 | 2020-03-05 | キョーラク株式会社 | ブロー成形方法及びブロー成形装置 |
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2021
- 2021-06-07 JP JP2021095079A patent/JP2022187194A/ja active Pending
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2022
- 2022-06-02 CN CN202280039666.0A patent/CN117412849A/zh active Pending
- 2022-06-02 EP EP22820133.1A patent/EP4353443A1/en active Pending
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JPH0623832A (ja) * | 1992-03-17 | 1994-02-01 | Kao Corp | ブロー成形機の成形品取出方法及びシステム |
JP2003525147A (ja) * | 2000-03-01 | 2003-08-26 | シパ ソシエタ ペル アチオニ | 吹込成形された容器の破裂を自動検出するための装置を備えた吹込成形プラント |
JP2006247910A (ja) * | 2005-03-09 | 2006-09-21 | Tahara:Kk | 成形装置およびその異常表示方法 |
JP2016074219A (ja) | 2015-11-18 | 2016-05-12 | 大日本印刷株式会社 | 飲料充填方法及び装置 |
JP2020032610A (ja) | 2018-08-29 | 2020-03-05 | キョーラク株式会社 | ブロー成形方法及びブロー成形装置 |
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