JPH08230021A - Parison controller of hollow molder - Google Patents
Parison controller of hollow molderInfo
- Publication number
- JPH08230021A JPH08230021A JP7035769A JP3576995A JPH08230021A JP H08230021 A JPH08230021 A JP H08230021A JP 7035769 A JP7035769 A JP 7035769A JP 3576995 A JP3576995 A JP 3576995A JP H08230021 A JPH08230021 A JP H08230021A
- Authority
- JP
- Japan
- Prior art keywords
- parison
- die
- die head
- molding machine
- resin flow
- 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.)
- Granted
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
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/252—Drive or actuation means; Transmission means; Screw supporting means
- B29C48/2528—Drive or actuation means for non-plasticising purposes, e.g. dosing unit
-
- 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
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
- B29C49/04108—Extrusion blow-moulding extruding several parisons parallel to each other at the same time
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は中空成形機のパリソンコ
ントローラに関し、特に、エンジニアリングプラスチッ
ク等滞留の起こし易い樹脂向きダイヘッド用として高品
質のパリソンを得ることができるように、ダイを電動モ
ータにより上下動させてパリソンの肉厚をコントロール
するとともに、パリソン長さを自動制御することとした
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a parison controller for a blow molding machine, and more particularly, to a method of vertically moving a die by an electric motor so as to obtain a high-quality parison for a resin-type die head in which stagnation is likely to occur such as engineering plastic. By moving the parison, the thickness of the parison is controlled, and the length of the parison is automatically controlled.
【0002】[0002]
【従来の技術】従来、中空成形機のパリソンコントロー
ルは、図4に示すように、押出機31により可塑化され
た樹脂はヘッド34の出口側に固定されたダイ35とコ
ア36のギャップを通じてパリソン37が押し出され
る。このとき、コア36に接続されたマンドレル38を
アクチュエータ39で制御部の信号により上下動する
と、前記ギャップが変化し、パリソン37の肉厚変化が
生じるようにしている。2. Description of the Related Art Conventionally, as shown in FIG. 4, the parison control of a blow molding machine is such that the resin plasticized by the extruder 31 passes through the gap between the die 35 and the core 36 fixed to the outlet side of the head 34, and the parison is controlled. 37 is extruded. At this time, when the mandrel 38 connected to the core 36 is moved up and down by the signal of the control unit by the actuator 39, the gap changes and the thickness of the parison 37 changes.
【0003】[0003]
【発明が解決しようとする課題】しかしながら、上記従
来のパリソンコントロールによれば、ギャップを変化さ
せるために、コア6を上下動させる構造であるから、樹
脂流動部が滞留し易く、樹脂の焼け、焦げ等の原因とな
り、不良の成型品を生じることが多い。However, according to the conventional parison control described above, since the core 6 is moved up and down in order to change the gap, the resin flow portion easily stays and the resin burns. It often causes charring, resulting in defective molded products.
【0004】また、複数本のパリソンを吐出するダイヘ
ッドの場合、パリソン長さを均等にするため、樹脂流路
の分岐部にチョーク等を設けて流量バランスを手動によ
り調整しているが、この調整は樹脂が変わる都度、又
は、温度設定その他の要因により調整し直す必要があ
り、その際にヒータ等に触れて火傷、感電等して危険で
ある。In the case of a die head for discharging a plurality of parisons, a chalk or the like is provided at a branch portion of a resin flow path to adjust the flow rate manually in order to equalize the parison length. It is necessary to readjust the resin every time the resin is changed or due to the temperature setting or other factors. At that time, it is dangerous to touch the heater or the like and get burned or electric shock.
【0005】そこで、本発明は、上記問題点を解決する
中空成形機のパリソンコントローラを提供する。Accordingly, the present invention provides a parison controller for a blow molding machine which solves the above problems.
【0006】[0006]
【課題を解決するための手段】本発明は上記課題を解決
するため、請求項1によれば、押出機から押し出される
溶融樹脂を樹脂流路を介してダイヘッドに導入し、該ダ
イヘッドにおけるダイとコアとのギャップからパリソン
を吐出させる中空成形機において、前記ダイを電動モー
タで昇降調節可能にしたことを特徴とする。According to a first aspect of the present invention, in order to solve the above problems, molten resin extruded from an extruder is introduced into a die head through a resin flow path, and a die in the die head is introduced. In a hollow molding machine for discharging a parison from a gap with a core, the die can be adjusted up and down by an electric motor.
【0007】請求項2によれば、押出機から押し出され
る溶融樹脂を複数の樹脂流路を有するダイヘッドに導入
し、該ダイヘッドにおける複数組のダイとコアとのギャ
ップからそれぞれパリソンを吐出させる中空成形機にお
いて、前記ダイを電動モータで昇降調節可能にしたこと
を特徴とする。According to a second aspect of the present invention, the molten resin extruded from the extruder is introduced into a die head having a plurality of resin flow paths, and parison is discharged from the gaps between a plurality of sets of dies and cores in the die head. In the machine, the die is vertically adjustable by an electric motor.
【0008】請求項3によれば、押出機から押し出され
る溶融樹脂を複数の樹脂流路を介してダイヘッドに導入
し、該ダイヘッドにおける複数組のダイとコアとのギャ
ップからそれぞれパリソンを吐出させる中空成形機にお
いて、分岐部付近の前記樹脂流路にそれぞれチョーク及
び該チョークを駆動するアクチュエータを設けたことを
特徴とする。According to the third aspect, the molten resin extruded from the extruder is introduced into the die head through a plurality of resin flow paths, and the parison is discharged from the gaps between the plurality of sets of dies and the core in the die head. In the molding machine, a choke and an actuator for driving the choke are provided in each of the resin flow paths near the branch portion.
【0009】請求項4によれば、押出機から押し出され
る溶融樹脂を複数の樹脂流路を介してダイヘッドに導入
し、該ダイヘッドにおける複数組のダイとコアとのギャ
ップからそれぞれパリソンを吐出させる中空成形機にお
いて、前記ダイを電動モータで昇降調節可能に設けると
共に、分岐部付近の前記樹脂流路にそれぞれチョーク及
び該チョークを駆動するアクチュエータを設け、かつ、
前記コア又はダイの下部にパリソン長さを検出するセン
サを設け、前記電動モータ及びアクチュエータ並びにセ
ンサを制御器と電気的に接続してプログラム制御可能に
したことを特徴とする。According to the present invention, the molten resin extruded from the extruder is introduced into the die head through a plurality of resin flow paths, and the parison is discharged from the gaps between the plurality of sets of dies and cores in the die head. In the molding machine, the die is provided to be adjustable up and down by an electric motor, and a choke and an actuator for driving the choke are provided in the resin flow path near the branch portion, respectively, and
A sensor for detecting the length of the parison is provided below the core or the die, and the electric motor, the actuator, and the sensor are electrically connected to a controller to enable program control.
【0010】[0010]
【作用】ダイを電動モータで昇降調節することによりパ
リソン肉厚の変化を調整する。さらに、複数の樹脂流路
のチョークを調整することにより流量調整を行うと共
に、センサにてパリソン長さを検出し、これにより、各
パリソンの肉厚、長さを制御し、焼け焦げ等のない高品
質のパリソンを得ることができる。[Operation] The change in the thickness of the parison is adjusted by vertically moving the die with an electric motor. Further, the flow rate is adjusted by adjusting the chokes of the plurality of resin flow paths, and the length of the parison is detected by the sensor, whereby the thickness and length of each parison are controlled, so that the height of the parison can be controlled without scorching. You can get a quality parison.
【0011】[0011]
【実施例】以下本発明の実施例を図に基づき説明する。
図1に示すように、サーボモータ等の電動モータ1に減
速機2を結合し、減速機2にカップリング3を介してボ
ールネジ5を接続し、ボールネジ5をスラスト軸受4を
備えた固定台7aに支持し、さらに、ボールネジ5にナ
ット6を係合させてそのナット6を昇降板7に固定し、
昇降板7は固定台7aに回転不能に案内されて上下動可
能に吊支される。電動モータ1はプログラム制御可能な
制御器24と電気的に接続される。Embodiments of the present invention will be described below with reference to the drawings.
As shown in FIG. 1, a speed reducer 2 is connected to an electric motor 1 such as a servomotor, a ball screw 5 is connected to the speed reducer 2 via a coupling 3, and the ball screw 5 is fixed to a fixed base 7a having a thrust bearing 4. , And a nut 6 is engaged with the ball screw 5 to fix the nut 6 to the lifting plate 7.
The elevating plate 7 is non-rotatably guided by the fixed base 7a and suspended so as to be vertically movable. The electric motor 1 is electrically connected to a programmable controller 24.
【0012】昇降板7には適宜本数のロッド8を垂下さ
せる。一方、固定台7aにクロスヘッド9、スパイダ1
0及びヘッド11aを緊密に接続して固定し、これらに
ロッド8を貫通させて昇降板7を昇降可能にし、ロッド
8の下端部にダイ11を結合する。ダイ11は筒状体で
あって、コア13を取り巻く円孔が形成され、この円孔
にヘッド11aの下部に所要長さで突設した筒部11b
が嵌合している。An appropriate number of rods 8 are suspended from the lifting plate 7. On the other hand, the crosshead 9 and the spider 1
0 and the head 11a are tightly connected and fixed, and the rod 8 is penetrated therethrough so that the lifting plate 7 can be raised and lowered. The die 11 is connected to the lower end of the rod 8. The die 11 is a cylindrical body having a circular hole formed around the core 13, and a cylindrical portion 11b protruding from the circular hole at a required length below the head 11a.
Are fitted.
【0013】クロスヘッド9、スパイダ10及びヘッド
11aはダイヘッド18を構成し、このダイヘッド18
には樹脂流路12が形成され、この樹脂流路12の最下
端部付近の中心部にコア13がスパイダ10に固定支持
されて垂下し、コア13とダイ11のギャップからパリ
ソン14が垂下する。The crosshead 9, the spider 10, and the head 11a constitute a die head 18.
A resin channel 12 is formed at the center of the resin channel 12, and a core 13 is fixedly supported by the spider 10 at the center near the lowermost end of the resin channel 12 and hangs down. A parison 14 hangs down from the gap between the core 13 and the die 11. .
【0014】パリソン14は、押出機15から溶融樹脂
17が流入し樹脂流路12を経てダイ11とコア13の
ギャップから吐出して下方へ垂下するもので、その垂下
する長さを検出するために、ダイ11の下部には所定の
高さ位置で一対の光電管16がパリソン14を挟み相対
向して配置されている。The parison 14 is one in which the molten resin 17 flows from the extruder 15 and is discharged from the gap between the die 11 and the core 13 through the resin flow path 12 and droops downward. In order to detect the drooping length. In addition, a pair of photocells 16 are arranged below the die 11 at a predetermined height position so as to face each other with the parison 14 in between.
【0015】なお、ダイヘッド18は複数の樹脂流路1
2が形成されていて、クロスヘッド9にはその分岐部2
0が形成されている(図2参照)が、分岐部20がなく
て樹脂流路12が単一のダイヘッドにあっても本発明の
上記構成を採用できることは明らかである。The die head 18 has a plurality of resin flow paths 1.
2 is formed, and the crosshead 9 has a branch portion 2
Although 0 is formed (see FIG. 2), it is clear that the above configuration of the present invention can be adopted even if the branch portion 20 is not provided and the resin flow path 12 is a single die head.
【0016】そして、図2に示すように、クロスヘッド
9の樹脂流路12における分岐部20には、その分岐部
20から二つの前記樹脂流路12が形成され、この分岐
部20付近の樹脂流路12,12にそれぞれチョーク2
1が進退可能に挿入され、チョーク21はサーボモータ
ー等のアクチュエータ22と接続され、かつ、このアク
チュエータ22にセンサ23が設けられ、センサ23は
制御器24と電気的に接続される。As shown in FIG. 2, at the branch portion 20 in the resin flow passage 12 of the crosshead 9, two resin flow passages 12 are formed from the branch portion 20, and the resin near the branch portion 20 is formed. Choke 2 in each of the channels 12 and 12
The choke 21 is connected to an actuator 22 such as a servomotor, and a sensor 23 is provided on the actuator 22. The sensor 23 is electrically connected to a controller 24.
【0017】次に上記実施例の作用につき説明すると、
押出機15から分岐部20内に押し出された溶融樹脂1
7は、制御器24からの信号によりアクチュエータ22
が作動してチョーク21が樹脂流路12に進退すること
により樹脂流路12の断面積を変化させて流量調整され
て移動し、樹脂流路12の最下端のコア13とダイ11
とのギャップからパリソン14として吐出する。Next, the operation of the above embodiment will be described.
Molten resin 1 extruded from extruder 15 into branch 20
7 is an actuator 22 according to a signal from the controller 24.
Is activated to move the choke 21 forward and backward to the resin flow path 12, thereby changing the cross-sectional area of the resin flow path 12 and adjusting the flow rate to move the resin flow path 12.
Is discharged as a parison 14 from the gap.
【0018】この吐出時に、制御器24からの信号によ
り電動モータ1が駆動されてボールネジ5が正逆いずれ
かに回転することにより、昇降板7が上下動できるた
め、図3に示すように、ダイ11が昇降してコア13と
のギャップGを変化させることができるから、パリソン
14の肉厚制御ができることになる。At the time of this discharge, the electric motor 1 is driven by a signal from the controller 24 and the ball screw 5 rotates in either forward or reverse directions, whereby the lift plate 7 can move up and down, so that as shown in FIG. Since the die 11 can move up and down to change the gap G with the core 13, the thickness of the parison 14 can be controlled.
【0019】そしてパリソン14の下端部がセンサ16
により検出されると、パリソン切断器(図示略)が作動
してパリソン14はダイ11付近で切断され、その下に
待機している成形型(図示略)に受け入れられる。The lower end of the parison 14 is the sensor 16
, The parison cutter (not shown) is activated, and the parison 14 is cut near the die 11 and is received by a molding die (not shown) waiting therebelow.
【0020】かくして、制御器24により溶融樹脂17
の流量調整と、パリソン14の肉厚の変化を自在にコン
トロールすることができるから、高品質のパリソン14
を得ることができる。Thus, the molten resin 17 is controlled by the controller 24.
The flow rate of the parison 14 and the change in the thickness of the parison 14 can be freely controlled.
Can be obtained.
【0021】[0021]
【発明の効果】以上説明した本発明によれば、ダイを電
動モータにより上下動させてコアとのギャップを変化さ
せることができるようにし、樹脂流路のチョークで樹脂
流量を制御できるようにし、かつ、パリソンの吐出長さ
をセンサにより検出するようにしたので、従来のものと
比較して樹脂滞留の少ないパリソン肉厚の変化が制御可
能となり、複数本のパリソン長さの均等な調整ができ、
しかも、手動による流量調整をしないから危険性がな
く、油圧を使用しないために油漏れや油汚れがなくてク
リーンで高品質のパリソンを得ることが可能になる。According to the present invention described above, the die can be moved up and down by the electric motor to change the gap with the core, and the resin flow can be controlled by the choke of the resin flow path. Also, since the discharge length of the parison is detected by a sensor, it is possible to control the change in the parison wall thickness with less resin stagnation compared to the conventional one, and it is possible to evenly adjust the length of multiple parisons ,
Moreover, since the flow rate is not manually adjusted, there is no danger, and since hydraulic pressure is not used, it is possible to obtain a clean and high-quality parison without oil leakage or oil stains.
【図1】本発明による中空成形機のパリソンコントロー
ラを示す構成図FIG. 1 is a block diagram showing a parison controller of a blow molding machine according to the present invention.
【図2】本発明による中空成形機の樹脂流量調整機構の
構成図FIG. 2 is a configuration diagram of a resin flow rate adjusting mechanism of the blow molding machine according to the present invention.
【図3】作用説明図FIG. 3 is an operation explanatory diagram
【図4】従来の中空成形機の要部半断面正面図FIG. 4 is a half sectional front view of a main part of a conventional blow molding machine.
1…電動モータ 2…減速機 5…ボールネジ 6…ナット 7…昇降板 8…ロッド 9…クロスヘッド 10…スパイダ 11…ダイ 11a…ヘッド 12…樹脂流路 13…コア 14…パリソン 15…押出機 16…センサ 18…ダイヘッド 20…分岐部 21…チョーク 22…アクチュエータ 23…センサ 24…制御器 DESCRIPTION OF SYMBOLS 1 ... Electric motor 2 ... Speed reducer 5 ... Ball screw 6 ... Nut 7 ... Elevating plate 8 ... Rod 9 ... Crosshead 10 ... Spider 11 ... Die 11a ... Head 12 ... Resin flow path 13 ... Core 14 ... Parison 15 ... Extruder 16 ... Sensor 18 ... Die Head 20 ... Branch 21 ... Choke 22 ... Actuator 23 ... Sensor 24 ... Controller
Claims (4)
流路を介してダイヘッドに導入し、該ダイヘッドにおけ
るダイとコアとのギャップからパリソンを吐出させる中
空成形機において、前記ダイを電動モータで昇降調節可
能にしたことを特徴とする中空成形機のパリソンコント
ローラ。1. A blow molding machine in which a molten resin extruded from an extruder is introduced into a die head through a resin flow path and a parison is discharged from a gap between a die and a core in the die head, and the die is moved up and down by an electric motor. Adjustable parison controller for blow molding machine.
の樹脂流路を有するダイヘッドに導入し、該ダイヘッド
における複数組のダイとコアとのギャップからそれぞれ
パリソンを吐出させる中空成形機において、前記ダイを
電動モータで昇降調節可能にしたことを特徴とする中空
成形機のパリソンコントローラ。2. A hollow molding machine in which a molten resin extruded from an extruder is introduced into a die head having a plurality of resin flow paths, and parison is discharged from gaps between a plurality of sets of dies and cores in the die head. A parison controller for a hollow molding machine, characterized in that it can be adjusted up and down with an electric motor.
の樹脂流路を介してダイヘッドに導入し、該ダイヘッド
における複数組のダイとコアとのギャップからそれぞれ
パリソンを吐出させる中空成形機において、分岐部付近
の前記樹脂流路にそれぞれチョーク及び該チョークを駆
動するアクチュエータを設けたことを特徴とする中空成
形機のパリソンコントローラ。3. A hollow molding machine in which molten resin extruded from an extruder is introduced into a die head through a plurality of resin flow paths, and parison is discharged from gaps between a plurality of sets of dies and cores in the die head, respectively. A parison controller for a hollow molding machine, wherein a choke and an actuator for driving the choke are provided in the resin flow path near each portion.
の樹脂流路を介してダイヘッドに導入し、該ダイヘッド
における複数組のダイとコアとのギャップからそれぞれ
パリソンを吐出させる中空成形機において、前記ダイを
電動モータで昇降調節可能に設けると共に、分岐部付近
の前記樹脂流路にそれぞれチョーク及び該チョークを駆
動するアクチュエータを設け、かつ、前記コア又はダイ
の下部にパリソン長さを検出するセンサを設け、前記電
動モータ及びアクチュエータ並びにセンサを制御器と電
気的に接続してプログラム制御可能にしたことを特徴と
する中空成形機のパリソンコントローラ。4. A hollow molding machine in which molten resin extruded from an extruder is introduced into a die head through a plurality of resin flow paths, and parison is discharged from gaps between a plurality of sets of dies and cores in the die head, A die is provided to be adjustable up and down by an electric motor, a choke and an actuator for driving the choke are provided in the resin flow path near the branch portion, and a sensor for detecting the parison length is provided under the core or the die. A parison controller for a hollow molding machine, wherein the parison controller is provided, and the electric motor, the actuator, and the sensor are electrically connected to a controller to enable program control.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7035769A JP2620535B2 (en) | 1995-02-24 | 1995-02-24 | Parison controller for blow molding machine |
DE19528752A DE19528752A1 (en) | 1995-02-24 | 1995-08-04 | Parison length and thickness control unit for blow moulding equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7035769A JP2620535B2 (en) | 1995-02-24 | 1995-02-24 | Parison controller for blow molding machine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH08230021A true JPH08230021A (en) | 1996-09-10 |
JP2620535B2 JP2620535B2 (en) | 1997-06-18 |
Family
ID=12451082
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7035769A Expired - Fee Related JP2620535B2 (en) | 1995-02-24 | 1995-02-24 | Parison controller for blow molding machine |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP2620535B2 (en) |
DE (1) | DE19528752A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006205746A (en) * | 2006-05-11 | 2006-08-10 | Tahara:Kk | Blow molding method |
CN103935006A (en) * | 2014-03-10 | 2014-07-23 | 苏州金纬机械制造有限公司 | Solid-wall pipe production mold |
KR20190128112A (en) * | 2018-05-07 | 2019-11-15 | 베. 뮐러 게엠베하 | Multiple extrusion head |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2781409B1 (en) * | 1998-07-24 | 2000-09-29 | Sidel Sa | DEVICE FOR REGULATING THE THICKNESS OF A PARISON IN AN EXTRUSION-BLOWING MACHINE |
TWI604940B (en) * | 2015-04-30 | 2017-11-11 | Liu li-qun | Split flow adjustment structure |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04348911A (en) * | 1991-03-26 | 1992-12-03 | Ube Ind Ltd | Dies for forming parison |
JPH0592481A (en) * | 1991-10-01 | 1993-04-16 | Japan Steel Works Ltd:The | Parison controller in hollow molding machine |
JPH0698674A (en) * | 1992-09-22 | 1994-04-12 | Taneaki Futagami | Production of pickle of scallion utilizing grape |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3909183A (en) * | 1974-03-18 | 1975-09-30 | Hoover Ball & Bearing Co | Parison extrusion head |
IT1040055B (en) * | 1975-07-22 | 1979-12-20 | Girola Angelo | EQUIPMENT FOR EXTRUDING PLASTIC PIPES PARTICULARLY FOR THE MANUFACTURING OF PLASTIC BOTTLES |
DE3820907C2 (en) * | 1988-06-21 | 1994-08-25 | Battenfeld Extrusionstech | Extrusion head for extruding tubular or tubular preforms |
-
1995
- 1995-02-24 JP JP7035769A patent/JP2620535B2/en not_active Expired - Fee Related
- 1995-08-04 DE DE19528752A patent/DE19528752A1/en not_active Ceased
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04348911A (en) * | 1991-03-26 | 1992-12-03 | Ube Ind Ltd | Dies for forming parison |
JPH0592481A (en) * | 1991-10-01 | 1993-04-16 | Japan Steel Works Ltd:The | Parison controller in hollow molding machine |
JPH0698674A (en) * | 1992-09-22 | 1994-04-12 | Taneaki Futagami | Production of pickle of scallion utilizing grape |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006205746A (en) * | 2006-05-11 | 2006-08-10 | Tahara:Kk | Blow molding method |
JP4511492B2 (en) * | 2006-05-11 | 2010-07-28 | 株式会社タハラ | Blow molding method |
CN103935006A (en) * | 2014-03-10 | 2014-07-23 | 苏州金纬机械制造有限公司 | Solid-wall pipe production mold |
KR20190128112A (en) * | 2018-05-07 | 2019-11-15 | 베. 뮐러 게엠베하 | Multiple extrusion head |
Also Published As
Publication number | Publication date |
---|---|
DE19528752A1 (en) | 1996-08-29 |
JP2620535B2 (en) | 1997-06-18 |
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