JPH063277A - Method and device for detecting kneaded state of fused resin - Google Patents

Method and device for detecting kneaded state of fused resin

Info

Publication number
JPH063277A
JPH063277A JP4188779A JP18877992A JPH063277A JP H063277 A JPH063277 A JP H063277A JP 4188779 A JP4188779 A JP 4188779A JP 18877992 A JP18877992 A JP 18877992A JP H063277 A JPH063277 A JP H063277A
Authority
JP
Japan
Prior art keywords
die
light
holder
molten resin
transparent body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP4188779A
Other languages
Japanese (ja)
Inventor
Hiroshi Miyahara
洋 宮原
Hisamitsu Takagi
尚光 高木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Steel Works Ltd
Original Assignee
Japan Steel Works Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Japan Steel Works Ltd filed Critical Japan Steel Works Ltd
Priority to JP4188779A priority Critical patent/JPH063277A/en
Publication of JPH063277A publication Critical patent/JPH063277A/en
Pending legal-status Critical Current

Links

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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92247—Optical properties
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92247—Optical properties
    • B29C2948/92257—Colour
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92361—Extrusion unit
    • B29C2948/92409—Die; Nozzle zone

Abstract

PURPOSE:To observe the kneaded state of a fused resin without having the influence of the reflected light on a transparent body surface of a light emitted to a die inner part. CONSTITUTION:To an extruder 10, a holder 24 is fixed, extending through a determined position of a die 18. A space part 36 is formed in the holder 24, and a transparent body 26 is fitted to the space part 36. The holder 24 has a light emitting hole 38 and an observing hole 40 extending from the upper surface of the holder 24 through the space part 36 in two positions having a determined interval. The top end part 42 of an optical fiber cable 28 is fitted to the light emitting hole 38. The optical fiber cable 28 is connected to a light source device 30 capable of supplying light thereto. An image pick-up camera 32 is arranged opposite to the observing hole 40, the image pick-up camera 32 thus can photograph the inner part of the die 18 through the transparent body 28.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は、溶融樹脂の混練状態検
出方法及び装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for detecting a kneading state of molten resin.

【０００２】[0002]

【従来の技術】従来の溶融樹脂の混練状態検出方法及び
装置として、特開平３−３０９２７号公報に示されるも
のがある。すなわち、この公報に示される装置は、シリ
ンダ部分と、シリンダ部分内に回転可能に配置されるス
クリュと、シリンダ部分先端に設けられるネック部分
と、ネック部分先端に設けられるダイ部分と、シリンダ
部分に設けられてこれに材料を供給可能なホッパと、か
ら構成される押出機において、この押出機のネック部分
にのぞき窓が設けられている。のぞき窓には、ここから
ネック部分内部を観察可能なイメージセンサ及び投光装
置が設けられている。イメージセンサは、観察結果を画
像処理可能な画像処理装置と接続されている。検出方法
は、まず、ホッパから材料を供給するとともにスクリュ
を回転駆動させて、透明樹脂を混練しながら前方へ押し
出す。これにより、透明樹脂はネック部分を通りダイ部
分へ移動する。ネック部分を流れていく透明樹脂をのぞ
き窓を介してイメージセンサにより検出し、この観察結
果を画像処理装置へ送信して、ここで画像処理する。2. Description of the Related Art As a conventional method and apparatus for detecting a kneading state of a molten resin, there is one disclosed in Japanese Patent Laid-Open No. 30927/1993. That is, the device disclosed in this publication has a cylinder portion, a screw rotatably arranged in the cylinder portion, a neck portion provided at the tip of the cylinder portion, a die portion provided at the tip of the neck portion, and a cylinder portion. In an extruder including a hopper provided and capable of supplying material thereto, a peephole is provided in a neck portion of the extruder. The observation window is provided with an image sensor and a light projecting device that allow observation of the inside of the neck portion from here. The image sensor is connected to an image processing device capable of image processing the observation result. In the detection method, first, the material is supplied from the hopper and the screw is rotationally driven, and the transparent resin is extruded forward while kneading. As a result, the transparent resin moves through the neck portion to the die portion. The transparent resin flowing through the neck portion is detected by the image sensor through the observation window, and the observation result is transmitted to the image processing apparatus, where the image processing is performed.

【０００３】[0003]

【発明が解決しようとする課題】しかしながら、上記従
来の溶融樹脂の混練状態検出方法及び装置では、ネック
部分内部に投射する光の内、のぞき窓の面上で反射する
光があるため、反射光の影響で画質が低下する。また、
投光装置で投光しながらイメージセンサによりネック部
分内部を観察するため、のぞき窓は大きくなる。このた
め、のぞき窓はこの部分を流れる透明樹脂の圧力に対し
て弱い。更に、押出機の発熱の影響があるため、のぞき
窓とイメージセンサとの間にある程度の距離をあける必
要があり、画像の精度が低下する。本発明は、上記課題
を解決することを目的としている。However, in the conventional method and apparatus for detecting the kneading state of the molten resin, there is light reflected on the surface of the observation window among the light projected inside the neck portion. The image quality deteriorates due to. Also,
Since the inside of the neck portion is observed by the image sensor while projecting light by the light projecting device, the observation window becomes large. Therefore, the observation window is weak against the pressure of the transparent resin flowing in this portion. Further, because of the influence of heat generated by the extruder, it is necessary to provide a certain distance between the peep window and the image sensor, which lowers image accuracy. The present invention aims to solve the above problems.

【０００４】[0004]

【課題を解決するための手段】本発明は、ホルダの投光
口に光ファイバーケーブルの先端部をはめ合わせて、こ
れから投光される光だけをダイ内に供給することによ
り、上記課題を解決する。すなわち本発明の溶融樹脂の
混練状態検出方法は、ダイにこれの内外の光が透過する
ように設けられた透明体の所定位置に配置されている光
ファイバーケーブルの先端部からダイ内に光を供給し、
透明体の上記所定位置とは別の位置を通して反射してく
る光によって、ダイ内の所定位置の溶融樹脂の観察を行
うものである。また、上記反射してくる光を、望遠式撮
像カメラ又は望遠式色計測器を用いて観察してもよい。
また、本発明の溶融樹脂の混練状態検出装置は、シリン
ダ（１２）の先端にダイ（１８）を有する押出機（１
０）において、ダイ（１８）の所定位置にはめ込まれて
いる計測窓（２３）と、計測窓（２３）を介してダイ
（１８）内に光を投光可能な光ファイバーケーブル（２
８）と、計測窓（２３）を介してダイ（１８）内の溶融
樹脂を撮影可能な撮像カメラ（３２）と、を有してお
り、 計測窓（２３）は、ダイ（１８）にはめ合わされ
るホルダ（２４）と、ホルダ（２４）に取り付けられる
透明体（２６）と、から構成されており、光ファイバー
ケーブル（２８）の先端部（４２）はホルダ（２４）に
形成された外部側から透明体（２６）に達する投光口
（３８）にはめ合わされており、光ファイバーケーブル
（２４）はこれに光を供給可能な光源装置（３０）と接
続されており、撮像カメラ（３２）はホルダ（２４）に
形成された外部側から透明体（２６）に達する観察口
（４０）に対向して配置されている。また、撮像カメラ
（３２）に代えて色計測器を設けたものとしてもよい。
また、撮像カメラ（３２）又は色計測器を望遠式のもの
としてもよい。SUMMARY OF THE INVENTION The present invention solves the above problems by fitting the tip of an optical fiber cable into the light projecting port of a holder and supplying only the light projected from this into the die. . That is, the method for detecting the kneading state of the molten resin of the present invention is to supply light into the die from the tip of an optical fiber cable which is arranged at a predetermined position of a transparent body provided in the die so that light inside and outside the die is transmitted. Then
The molten resin at a predetermined position in the die is observed by the light reflected through a position different from the predetermined position of the transparent body. Further, the reflected light may be observed using a telescopic image pickup camera or a telephoto color measuring instrument.
Further, the molten resin kneading state detection device of the present invention is an extruder (1) having a die (18) at the tip of a cylinder (12).
0), a measurement window (23) fitted in a predetermined position of the die (18) and an optical fiber cable (2) capable of projecting light into the die (18) through the measurement window (23).
8) and an imaging camera (32) capable of photographing the molten resin in the die (18) through the measurement window (23). The measurement window (23) is fitted into the die (18). It is composed of a holder (24) to be fitted and a transparent body (26) attached to the holder (24), and the tip end portion (42) of the optical fiber cable (28) is formed on the outside of the holder (24). To the transparent body (26), the optical fiber cable (24) is connected to the light source device (30) capable of supplying light thereto, and the imaging camera (32) is The holder (24) is arranged so as to face the observation port (40) reaching the transparent body (26) from the outside. Further, a color measuring device may be provided instead of the imaging camera (32).
Further, the image pickup camera (32) or the color measuring instrument may be a telephoto type.

【０００５】[0005]

【作用】光ファイバーケーブルの先端部は、ホルダに形
成されている投光口にはめ合わされて、透明体を介して
ダイ内に光を投光する。これにより、光が透明体の面上
で反射しても反射光がホルダ外部に漏れることはなく、
確実にダイ内の溶融樹脂面に投光される。したがって、
投光口とは別の位置に設けられている観察口からは、こ
れに対向して配置されている撮像カメラによって、溶融
樹脂の状態を確実に観察することができる。また、投光
口と観察口とを別々に設けることにより、それぞれの開
口面積を小さくすることができる。また、撮像カメラ又
は色計測器を望遠式のもにすることにより、これらを観
察口から離して設置することができる。The tip of the optical fiber cable is fitted to the light projecting port formed in the holder to project light into the die through the transparent body. With this, even if the light is reflected on the surface of the transparent body, the reflected light does not leak to the outside of the holder,
The light is reliably projected onto the surface of the molten resin in the die. Therefore,
From the observation port provided at a position different from the light projecting port, the state of the molten resin can be reliably observed by the imaging camera arranged so as to face the observation port. Further, by separately providing the light projecting port and the observation port, the area of each opening can be reduced. Further, by making the image pickup camera or the color measuring instrument of a telephoto type, these can be installed away from the observation port.

【０００６】[0006]

【実施例】図１に本発明を実施した押出機の全体構成を
示す。押出機１０は、シリンダ１２と、シリンダ１２内
に回転可能に配置されるスクリュ１４と、シリンダ１２
に設けられているホッパ１６と、シリンダ１２の前方端
部に設けられているダイ１８と、スクリュ１４を回転駆
動可能な駆動装置２０と、から構成されている。ダイ１
８には計測装置２２が設けられている。計測装置２２
は、ダイ１８を径方向に貫通してはめ合わされる計測窓
２３と、計測窓２３からシリンダ１２内に投光可能な光
ファイバーケーブル２８と、光ファイバーケーブル２８
に光を供給可能な光源装置３０と、シリンダ１２内の状
態を撮影可能な撮像カメラ３２と、から構成されてい
る。EXAMPLE FIG. 1 shows the overall construction of an extruder embodying the present invention. The extruder 10 includes a cylinder 12, a screw 14 rotatably arranged in the cylinder 12, and a cylinder 12
The hopper 16 provided in the cylinder 12, the die 18 provided at the front end portion of the cylinder 12, and the drive device 20 capable of rotationally driving the screw 14. Die 1
8 is provided with a measuring device 22. Measuring device 22
Is a measurement window 23 that is fitted through the die 18 in the radial direction, an optical fiber cable 28 that can project light from the measurement window 23 into the cylinder 12, and an optical fiber cable 28.
It is composed of a light source device 30 capable of supplying light to the inside and an image pickup camera 32 capable of photographing the inside of the cylinder 12.

【０００７】図２に計測装置２２の部分の断面図を示
す。計測窓２３は、ホルダ２４と透明体２６とから構成
されており、ホルダ２４はダイ１８にはめ合わされてお
り、図中上面からボルト３４によってダイ１８に固定さ
れている。ホルダ２４の内部には空間部３６が形成され
ている。空間部３６には透明体２６がはめ合わされてお
り、透明体２６の外径部とホルダ２４の内径部とが接着
されている。ホルダ２４の上面から空間部３６を貫通し
て所定間隔をあけた２か所に投光口３８及び観察口４０
が設けられている。投光口３８には、光ファイバーケー
ブル２８の先端部４２がはめ合わされている。観察口４
０に対向して撮像カメラ３２が配置されており、これに
より、撮像カメラ３２は透明体２６を介してダイ１８の
内部を撮影可能である。FIG. 2 is a sectional view of the measuring device 22. The measurement window 23 is composed of a holder 24 and a transparent body 26, the holder 24 is fitted to the die 18, and is fixed to the die 18 by bolts 34 from the upper surface in the drawing. A space 36 is formed inside the holder 24. The transparent body 26 is fitted in the space 36, and the outer diameter portion of the transparent body 26 and the inner diameter portion of the holder 24 are bonded to each other. A light projecting port 38 and an observing port 40 are provided at two positions which are spaced from the upper surface of the holder 24 by passing through the space 36 at predetermined intervals.
Is provided. The tip 42 of the optical fiber cable 28 is fitted to the light projecting port 38. Observation port 4
The image pickup camera 32 is arranged so as to face 0, so that the image pickup camera 32 can take an image of the inside of the die 18 via the transparent body 26.

【０００８】次に本実施例の溶融樹脂の混練状態検出方
法について説明する。ホッパ１６からシリンダ１２内に
材料を供給するとともに、駆動装置２０によりスクリュ
１４を回転駆動する。溶融樹脂はスクリュ１４によって
混練されるとともにダイ１８方向へ移動する。光ファイ
バーケーブル２８は光源装置３０から供給される光を投
光口３８に挿入されている先端部４２から透明体２６を
介してダイ１８内部へ投光する。光は透明体２６を通過
する溶融樹脂に投光されるため、溶融樹脂の状態は、透
明体２６を介して撮像カメラ３２によって撮影される。
これにより、溶融樹脂の混練状態の観察を行う。また、
撮像カメラ３２の代わりに色計測器を用いることによ
り、上記と同様の方法で溶融樹脂の色計測を行うことが
できる。なお、撮像カメラ３２（又は色計測器）は、望
遠式のものにすると、効果的な画像が得られるととも
に、押出機１０から離して配置することができるため、
押出機１０の発熱に対しても有利である。なお、上記実
施例では計測装置２２をダイ１８に設けたが、これに限
るものではなく、シリンダ１２の任意の位置に設けても
よい。Next, the method for detecting the kneading state of the molten resin of this embodiment will be described. The material is supplied from the hopper 16 into the cylinder 12, and the screw 14 is rotationally driven by the drive device 20. The molten resin is kneaded by the screw 14 and moves toward the die 18. The optical fiber cable 28 projects the light supplied from the light source device 30 into the inside of the die 18 through the transparent body 26 from the tip portion 42 inserted in the light projecting port 38. Since the light is projected onto the molten resin passing through the transparent body 26, the state of the molten resin is photographed by the imaging camera 32 via the transparent body 26.
Thereby, the kneading state of the molten resin is observed. Also,
By using a color measuring device instead of the image pickup camera 32, the color measurement of the molten resin can be performed by the same method as described above. If the image pickup camera 32 (or the color measuring instrument) is of a telephoto type, an effective image can be obtained and the image pickup camera 32 can be arranged away from the extruder 10.
It is also advantageous for the heat generation of the extruder 10. Although the measuring device 22 is provided in the die 18 in the above embodiment, the present invention is not limited to this, and may be provided in any position of the cylinder 12.

【０００９】[0009]

【発明の効果】本発明によれば、ホルダの投光口に光フ
ァイバーケーブルの先端部をはめ合わせて、ダイ内に光
を投光することにより、透明体面上での反射光がホルダ
外部に漏れることはなく、また、観察はホルダの投光口
とは別の位置に形成されている観察口から撮像カメラ又
は色計測器によって行われる。これにより、透明体面上
での反射光の影響を受けることなくダイ内の溶融樹脂の
混練状態及び色を観察することができる。また、投光口
及び観察口は別々に設けられているため、それぞれの開
口面積を小さくすることができる。これにより、投光口
及び観察口は、この部分を通過する溶融樹脂の圧力に対
して強くなる。また、撮像カメラ又は色計測器を望遠式
のもにすることにより、これらを観察口から離して設置
することができるため、精度の良い画像を得ることがで
きる。According to the present invention, the tip end of the optical fiber cable is fitted to the light projecting port of the holder and the light is projected into the die, so that the reflected light on the transparent body surface leaks to the outside of the holder. In addition, the observation is performed by the imaging camera or the color measuring instrument from the observation port formed at a position different from the light projecting port of the holder. As a result, the kneaded state and color of the molten resin in the die can be observed without being affected by the reflected light on the transparent body surface. Further, since the light projecting port and the observation port are provided separately, the opening area of each can be reduced. As a result, the light projecting port and the observation port become strong against the pressure of the molten resin passing through this portion. Moreover, since the imaging camera or the color measuring device is of a telephoto type, these can be installed away from the observation port, so that an accurate image can be obtained.

【図面の簡単な説明】[Brief description of drawings]

【図１】本発明の実施例を示す図である。FIG. 1 is a diagram showing an embodiment of the present invention.

【図２】図１の計測装置部分の断面図である。FIG. 2 is a cross-sectional view of the measuring device portion of FIG.

【符号の説明】[Explanation of symbols]

１０ 押出機 １８ ダイ ２３ 計測窓 ２４ ホルダ ２６ 透明体 ２８ 光ファイバーケーブル ３０ 光源装置 ３２ 撮像カメラ ３８ 投光口 ４０ 観察口 ４２ 先端部 10 Extruder 18 Die 23 Measuring Window 24 Holder 26 Transparent Body 28 Optical Fiber Cable 30 Light Source Device 32 Imaging Camera 38 Light Emitting Port 40 Observation Port 42 Tip

Claims (5)

【特許請求の範囲】[Claims] 【請求項１】 ダイにこれの内外の光が透過するように
設けられた透明体の所定位置に配置されている光ファイ
バーケーブルの先端部からダイ内に光を供給し、透明体
の上記所定位置とは別の位置を通して反射してくる光に
よって、ダイ内の所定位置の溶融樹脂の観察を行う溶融
樹脂の混練状態検出方法。1. A light is supplied into the die from the tip of an optical fiber cable arranged at a predetermined position of a transparent body provided in the die so that light inside and outside the die is transmitted, and the predetermined position of the transparent body is provided. A method for detecting a kneading state of a molten resin, in which the molten resin at a predetermined position in the die is observed by light reflected through a position different from the above. 【請求項２】 上記反射してくる光を、望遠式撮像カメ
ラ又は望遠式色計測器を用いて観察する溶融樹脂の混練
状態検出方法。2. A method for detecting a kneading state of a molten resin, wherein the reflected light is observed by using a telephoto type imaging camera or a telephoto type color measuring instrument. 【請求項３】 シリンダ（１２）の先端にダイ（１８）
を有する押出機（１０）において、ダイ（１８）の所定
位置にはめ込まれている計測窓（２３）と、計測窓（２
３）を介してダイ（１８）内に光を投光可能な光ファイ
バーケーブル（２８）と、計測窓（２３）を介してダイ
（１８）内の溶融樹脂を撮影可能な撮像カメラ（３２）
と、を有しており、計測窓（２３）は、ダイ（１８）に
はめ合わされるホルダ（２４）と、ホルダ（２４）に取
り付けられる透明体（２６）と、から構成されており、
光ファイバーケーブル（２８）の先端部（４２）はホル
ダ（２４）に形成された外部側から透明体（２６）に達
する投光口（３８）にはめ合わされており、光ファイバ
ーケーブル（２４）はこれに光を供給可能な光源装置
（３０）と接続されており、撮像カメラ（３２）はホル
ダ（２４）に形成された外部側から透明体（２６）に達
する観察口（４０）に対向して配置されていることを特
徴とする溶融樹脂の混練状態検出装置。3. A die (18) at the tip of the cylinder (12).
In an extruder (10) having a measuring window (23) fitted in a predetermined position of a die (18) and a measuring window (2)
3) optical fiber cable (28) capable of projecting light into the die (18) and an imaging camera (32) capable of photographing the molten resin in the die (18) through the measurement window (23).
The measurement window (23) is composed of a holder (24) fitted to the die (18) and a transparent body (26) attached to the holder (24),
The tip portion (42) of the optical fiber cable (28) is fitted to the light projecting port (38) formed on the holder (24) and reaching the transparent body (26) from which the optical fiber cable (24) is attached. The imaging camera (32) is connected to a light source device (30) capable of supplying light, and is arranged so as to face an observation opening (40) formed on the holder (24) and reaching the transparent body (26) from the outside. A kneading state detection device for molten resin characterized by being provided. 【請求項４】 撮像カメラ（３２）に代えて色計測器を
設けた溶融樹脂の混練状態検出装置。4. A kneading state detection device for molten resin, which is provided with a color measuring device in place of the image pickup camera (32). 【請求項５】 撮像カメラ（３２）又は色計測器が望遠
式のものである請求項３又は４記載の溶融樹脂の混練状
態検出装置。5. The kneading state detecting device for molten resin according to claim 3, wherein the image pickup camera (32) or the color measuring device is a telephoto type.
JP4188779A 1992-06-23 1992-06-23 Method and device for detecting kneaded state of fused resin Pending JPH063277A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4188779A JPH063277A (en) 1992-06-23 1992-06-23 Method and device for detecting kneaded state of fused resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4188779A JPH063277A (en) 1992-06-23 1992-06-23 Method and device for detecting kneaded state of fused resin

Publications (1)

Publication Number Publication Date
JPH063277A true JPH063277A (en) 1994-01-11

Family

ID=16229647

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4188779A Pending JPH063277A (en) 1992-06-23 1992-06-23 Method and device for detecting kneaded state of fused resin

Country Status (1)

Country Link
JP (1) JPH063277A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07325037A (en) * 1994-04-04 1995-12-12 Sumitomo Electric Ind Ltd Detection method and apparatus for substance in resin in extruder head
JP2007245641A (en) * 2006-03-17 2007-09-27 Yamagata Univ Analysis method of flow state of themoplastic molten resin in die and die therefor
GB2447753A (en) * 2007-03-20 2008-09-24 Yu-Syuan Jin Mould and method for in-mould coating
JP2014066588A (en) * 2012-09-25 2014-04-17 Toyota Motor Corp Bubble inspection device and method of manufacturing battery using the same

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07325037A (en) * 1994-04-04 1995-12-12 Sumitomo Electric Ind Ltd Detection method and apparatus for substance in resin in extruder head
JP2007245641A (en) * 2006-03-17 2007-09-27 Yamagata Univ Analysis method of flow state of themoplastic molten resin in die and die therefor
GB2447753A (en) * 2007-03-20 2008-09-24 Yu-Syuan Jin Mould and method for in-mould coating
GB2447753B (en) * 2007-03-20 2009-09-30 Yu-Syuan Jin In-mould coating method
KR100942745B1 (en) * 2007-03-20 2010-02-16 진유슈안 In-mould coating method and device for the same
JP2014066588A (en) * 2012-09-25 2014-04-17 Toyota Motor Corp Bubble inspection device and method of manufacturing battery using the same

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