JPH0664004A - Hot runner and hot tip for hot runner - Google Patents

Hot runner and hot tip for hot runner

Info

Publication number
JPH0664004A
JPH0664004A JP24593492A JP24593492A JPH0664004A JP H0664004 A JPH0664004 A JP H0664004A JP 24593492 A JP24593492 A JP 24593492A JP 24593492 A JP24593492 A JP 24593492A JP H0664004 A JPH0664004 A JP H0664004A
Authority
JP
Japan
Prior art keywords
hot
manifold
tip
piezoelectric element
hot runner
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
JP24593492A
Other languages
Japanese (ja)
Inventor
Seikichi Nakajima
清吉 中嶋
Akio Yamazaki
昭夫 山崎
Shigeaki Takeuchi
繁昭 竹内
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP24593492A priority Critical patent/JPH0664004A/en
Publication of JPH0664004A publication Critical patent/JPH0664004A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/27Sprue channels ; Runner channels or runner nozzles
    • B29C45/28Closure devices therefor
    • B29C45/2806Closure devices therefor consisting of needle valve systems
    • B29C45/281Drive means therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/27Sprue channels ; Runner channels or runner nozzles
    • B29C45/30Flow control means disposed within the sprue channel, e.g. "torpedo" construction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/27Sprue channels ; Runner channels or runner nozzles
    • B29C45/30Flow control means disposed within the sprue channel, e.g. "torpedo" construction
    • B29C2045/304Adjustable torpedoes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

PURPOSE:To provide a hot runner and a hot tip for hot runner, in which the opening and closing of the forcing port of a gate and the fine adjustment of its forcing rate are made possible. CONSTITUTION:In a hot runner consisting of a manifold 1, from the outlet of which molten resin material is supplied through flow passage to a mold, and a hot tip 4, which is continuously connected to the manifold so as to face to its outlet and through the forcing port 5 of which molten resin is forced in the mold, a valve body 6, which is movable to and from so as to face to its tip to the forcing port 5 in the interior of the hot 4, and a piezoelectric element 7 are directly coupled with each other.

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、プラスチック成形に使
用するホットランナーおよびホットランナー用のホット
チップに関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot runner used for molding a plastic and a hot chip for the hot runner.

【0002】[0002]

【従来の技術】プラスチック成形品を製作する場合、マ
ニホールドとホットチップからなるホットランナーが使
用され、金型に溶融状態の樹脂材料を供給するようにな
っている。図3は従来のホットランナーの一例を示し、
方形金属製のマニホールドAとホットチップBによって
形成されるいる。マニホールドAはその内部に樹脂材料
の流通路Cを分岐して形成してあり、流通路Cの一方の
開口部は樹脂材料の入口D、他方の開口部は樹脂材料の
出口Eである。前記のホットチップBは、マニホールド
Aの出口E側に連通状態で連設してある。
2. Description of the Related Art When manufacturing a plastic molded product, a hot runner consisting of a manifold and hot chips is used to supply a molten resin material to a mold. Figure 3 shows an example of a conventional hot runner,
It is formed by a manifold A made of a rectangular metal and a hot tip B. The manifold A is formed by branching a resin material flow passage C therein, one opening of the flow passage C being a resin material inlet D, and the other opening being a resin material outlet E. The hot tip B is continuously connected to the outlet E side of the manifold A in a communicating state.

【0003】図示のホットランナーは、パルブゲートを
オープン型としたものであり、ホットチップBには図示
しない金型が連結して設置される。約300°に加熱さ
れた溶融状態の樹脂材料は、マニホールドAの入口Dか
ら供給され、流通路Cを通って出口Eからホットチップ
B内に送り込まれる。更に、樹脂材料は、ホットチップ
B先端に開口したゲートFから金型内に圧入され、成形
品が形成される。
In the illustrated hot runner, a valve gate is an open type, and a die (not shown) is connected to the hot tip B and installed. The molten resin material heated to about 300 ° is supplied from the inlet D of the manifold A and is sent into the hot chip B from the outlet E through the flow passage C. Further, the resin material is pressed into the mold from the gate F opened at the tip of the hot chip B to form a molded product.

【0004】[0004]

【発明が解決しようとする課題】上記するオープンゲー
ト型のホットランナーでは、ゲートFの開閉をすること
ができないので、金型への樹脂材料の圧入量調節ができ
なかった。しかも、ゲートFを閉じることができないた
め、金型への樹脂材料の供給を停止した後、ゲートFか
ら樹脂が漏れることがあった。
In the above-mentioned open gate type hot runner, the gate F cannot be opened and closed, so that the amount of the resin material to be pressed into the mold cannot be adjusted. Moreover, since the gate F cannot be closed, the resin may leak from the gate F after the supply of the resin material to the mold is stopped.

【0005】そこで、図4に示すように、ゲートF内に
ピンあるいは棒状の弁体Gを設置し、この弁体Gはマニ
ホールドA内を貫通させ、マニホールドAの外部におい
て図示しない油圧あるいは空圧シリンダに連結してあ
る。シリンダ駆動によって弁体Gは、ゲートFの圧入口
Hに対して往復動するので、圧入口Hの開閉を任意に行
うことができる。
Therefore, as shown in FIG. 4, a pin or rod-shaped valve body G is installed in the gate F, the valve body G penetrates the inside of the manifold A, and a hydraulic pressure or a pneumatic pressure (not shown) is provided outside the manifold A. It is connected to the cylinder. The cylinder G drives the valve body G to reciprocate with respect to the pressure inlet H of the gate F, so that the pressure inlet H can be opened and closed arbitrarily.

【0006】しかし、シリンダによる弁体Gの作動は、
ゲートFの圧入口Hを開くか閉じるかのいずれかであ
り、開閉の微調整操作、即ち、圧入量の調節を行うこと
ができないものであった。従って、多点ゲート方式のマ
ニホールドにおいて、大型の成形品を形成する場合、各
ゲートFからの樹脂材料の圧入量は均一なものとなるの
で、成形品の場所に応じた圧入量の調整をすることがで
きないものであった。
However, the operation of the valve body G by the cylinder is
The pressure inlet H of the gate F was either opened or closed, and it was not possible to perform a fine adjustment operation of opening and closing, that is, adjustment of the press-fitting amount. Therefore, in the case of forming a large-sized molded product in a multi-point gate type manifold, the amount of resin material to be pressed in from each gate F becomes uniform, so that the amount of pressed-in resin is adjusted according to the location of the molded product. It was impossible.

【0007】本発明は、上記する従来のホットチップや
弁体操作等に鑑み、ゲートの圧入口の開閉が可能である
とともに開閉操作による圧入量の微調整を可能としたホ
ットランナーおよびホットランナー用ホットチップを提
供することを目的とするものである。
In view of the above-mentioned conventional hot tip, valve body operation, etc., the present invention is for a hot runner and a hot runner capable of opening and closing the pressure inlet of the gate and finely adjusting the press-fitting amount by the opening and closing operation. It is intended to provide hot chips.

【0008】[0008]

【課題を解決するための手段】上記の目的を達成するた
めに本発明は、入口から供給した溶融樹脂材料を流通路
を通して出口から供給するマニホールド1と、マニホー
ルド1の出口に面して連設したホットチップ4の圧入口
5から金型に溶融樹脂材料を圧入するようにしたホット
ランナーにおいて、ホットチップ4内において先端を圧
入口5に面して往復動可能とした弁体6と圧電素子7と
を直結したことを特徴としている。また、弁体6はマニ
ホールド1を貫通し、マニホールド1の外部に定置した
圧電素子7に直結したことを特徴としている。更に、マ
ニホールド1の出口に面して連設したホットチップ4内
に設けた筒状の保持具8内に圧電素子7を収容し、この
圧電素子7には、保持具8内を蜜に出入りして圧入口5
に往復動可能な弁体6を連結したことを特徴としてい
る。
In order to achieve the above object, the present invention provides a manifold 1 for supplying a molten resin material supplied from an inlet from an outlet through a flow passage, and a manifold 1 facing the outlet of the manifold 1. In a hot runner in which a molten resin material is press-fitted from a pressurizing port 5 of the hot tip 4 into a mold, a valve element 6 and a piezoelectric element, the tip of which faces the pressurizing port 5 and can reciprocate in the hot tip 4 The feature is that it is directly connected to 7. Further, the valve element 6 is characterized in that it penetrates the manifold 1 and is directly connected to the piezoelectric element 7 fixed outside the manifold 1. Further, the piezoelectric element 7 is housed in a cylindrical holder 8 provided in a hot chip 4 which is continuously provided facing the outlet of the manifold 1, and the piezoelectric element 7 moves in and out of the holder 8 in a honey comb manner. And pressurize 5
It is characterized in that a reciprocating valve element 6 is connected to the.

【0009】[0009]

【実施例】以下、図面に従って、本発明の実施例を詳細
に説明する。図1は本発明ホットランナーの一実施例を
示すものであり、同図において符号1は従来のマニホー
ルドであり、その内部には図示しない入口から出口2に
かけて複数の分岐した溶融樹脂材料の流通路3が形成し
てある。4は、マニホールド1の出口2に面してに連設
したホットチップであり、ホットチップ3の先端には、
金型に樹脂材料を圧入するための圧入口5が形成してあ
る。樹脂材料は、マニホールド1の図示しない入口から
供給され、流通路3を通って出口2からホットチップ4
内に送られ、圧入口5から金型に圧入、供給されること
は従来のホットランナーと同様である。
Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 shows an embodiment of the hot runner of the present invention. In FIG. 1, reference numeral 1 is a conventional manifold, and a plurality of branched flow passages for a molten resin material are provided from an inlet (not shown) to an outlet 2 therein. 3 is formed. Reference numeral 4 denotes a hot chip continuously provided facing the outlet 2 of the manifold 1, and at the tip of the hot chip 3,
A pressure inlet 5 for press-fitting a resin material into the mold is formed. The resin material is supplied from an inlet (not shown) of the manifold 1, passes through the flow passage 3, and exits from the outlet 2 to the hot tip 4
It is sent to the inside, and is press-fitted and supplied to the mold from the pressurization port 5 like the conventional hot runner.

【0010】本実施例においては、マニホールド1内を
往復動可能に貫通するピンあるいは棒状の長尺な弁体6
の先端部をホットチップ4内に位置させ、弁体6の先端
を圧入口5に面したことを特徴としている。。この弁体
6は、マニホールド1の外部において圧電素子7に直結
している。この圧電素子7は、マニホールド1に連結し
て定置状態であり、従来と同様、電圧の供給あるいは停
止によって長さ方向に伸縮する機能を有し、更に、電圧
の強弱によって伸縮度を異にする機能を有している。
In this embodiment, a long pin or rod-shaped valve body 6 penetrating the inside of the manifold 1 so as to reciprocate.
Is characterized in that the tip end of the valve body 6 is located inside the hot tip 4 and the tip end of the valve body 6 faces the pressure inlet 5. . The valve body 6 is directly connected to the piezoelectric element 7 outside the manifold 1. This piezoelectric element 7 is connected to the manifold 1 and is in a stationary state, has a function of expanding and contracting in the lengthwise direction by supply or stop of voltage as in the conventional case, and further has a different expansion and contraction degree depending on the strength of the voltage. It has a function.

【0011】本発明は上記の構成であり、次に使用状態
について説明する。入口から流通路3を通して溶融樹脂
材料をホットチップ4内に供給し、圧入口5を開放して
おけば、樹脂材料は金型内に圧入されることになる。い
ま、圧電素子7に高い電圧を供給すれば、圧電素子7は
最大の伸び作用をし、弁体6は圧入口5方向に送り込ま
れるので先端が圧入口5内に入り、これを閉じて樹脂材
料の供給を停止することになる。圧電素子7への電力の
供給を停止すれば、圧電素子7は常態に復し、弁体6は
引かれることになるので圧入口5が開放され、再び樹脂
材料の供給が可能となる。
The present invention has the above-mentioned structure. Next, the usage state will be described. If the molten resin material is supplied from the inlet to the hot tip 4 through the flow passage 3 and the pressure inlet 5 is opened, the resin material is pressed into the mold. Now, if a high voltage is supplied to the piezoelectric element 7, the piezoelectric element 7 exerts the maximum expansion action, and the valve body 6 is fed in the direction of the pressure inlet 5, so the tip enters the pressure inlet 5, and this is closed to close the resin. The material supply will be stopped. When the supply of electric power to the piezoelectric element 7 is stopped, the piezoelectric element 7 returns to the normal state and the valve body 6 is pulled, so that the pressure inlet 5 is opened and the resin material can be supplied again.

【0012】圧電素子7への電圧の強弱を変えることに
より、圧電素子7の伸縮度を調節することができる。従
って、圧入口5に対する弁体6先端の相対位置関係を変
えることができるので、圧入口5を通して金型への樹脂
材料の圧入量の微調整をすることが可能となる。
By changing the strength of the voltage applied to the piezoelectric element 7, the expansion degree of the piezoelectric element 7 can be adjusted. Therefore, the relative positional relationship of the tip of the valve body 6 with respect to the pressurizing port 5 can be changed, so that the press-fitting amount of the resin material into the mold can be finely adjusted through the pressurizing port 5.

【0013】図2は本発明の他の実施例を示すものであ
り、前記の実施例と同じ部分は同じ符号を使用してい
る。上記の実施例では、マニホールド1の外部に定置し
た圧電素子7に弁体6を直結した場合であるが、本実施
例では弁体6と圧電素子7とをホットチップ4内に収容
し、弁体6を圧入口5に対して往復動可能としたことを
特徴としている。
FIG. 2 shows another embodiment of the present invention, in which the same parts as those in the above-mentioned embodiment use the same reference numerals. In the above embodiment, the valve element 6 is directly connected to the piezoelectric element 7 fixed outside the manifold 1. However, in this embodiment, the valve element 6 and the piezoelectric element 7 are housed in the hot tip 4 and the valve is closed. It is characterized in that the body 6 can be reciprocated with respect to the pressure inlet 5.

【0014】このため、ホットチップ4内においてマニ
ホールド1には筒状の保持具8が連結してあり、この保
持具8内に圧電素子7を収容し、圧電素子7の先端に弁
体6を突設し、弁体6と保持具8とは蜜な状態として樹
脂材料が保持具8内に入らないようにしてある。
Therefore, a cylindrical holder 8 is connected to the manifold 1 in the hot tip 4, the piezoelectric element 7 is housed in the holder 8, and the valve element 6 is attached to the tip of the piezoelectric element 7. The valve body 6 and the holder 8 are provided so as to protrude so that the resin material does not enter the holder 8.

【0015】樹脂材料は流通路3からホットチップ4内
を通り、圧入口5から金型に圧入される。圧電素子7に
電圧を加えれば伸び作用をすることにより弁体6は保持
具8から押し出されて圧入口5を閉じる。電圧の供給を
停止すれば圧電素子7は常態に復し、弁体6は引き込ま
れ、圧入口5を開放する。また、圧電素子7に対する電
圧の強弱を調節することにより、圧入口5と弁体6との
間隔を微調節することができ、圧入量の調節が可能とな
る。尚、図示において圧電素子7は、マニホールド1を
貫通する棒状体を介して電源に接続した状態が示してあ
るが、棒状体を省略し、圧電素子7を直接電源に接続す
るようにしてもよい。このような構成とすることにより
全体の構造を小型化することができる。
The resin material passes from the flow passage 3 into the hot tip 4 and is pressed into the mold from the pressure inlet 5. When a voltage is applied to the piezoelectric element 7, the valve element 6 is pushed out from the holder 8 by the extension action and the pressure inlet 5 is closed. If the supply of voltage is stopped, the piezoelectric element 7 returns to the normal state, the valve body 6 is retracted, and the pressure inlet 5 is opened. Further, by adjusting the strength of the voltage applied to the piezoelectric element 7, the distance between the pressurizing port 5 and the valve body 6 can be finely adjusted, and the press-fitting amount can be adjusted. Although the piezoelectric element 7 is connected to the power source through the rod-shaped body penetrating the manifold 1 in the figure, the rod-shaped body may be omitted and the piezoelectric element 7 may be directly connected to the power source. . With such a configuration, the entire structure can be downsized.

【0016】[0016]

【発明の効果】上記する本発明によれば、マニホールド
1の樹脂出口2に面して連設したホットチップ4の圧入
口5に面する弁体6を圧電素子7に直結したので、圧電
素子7の伸縮により弁体6によって圧入口5の開閉操作
を行うことができる。
According to the present invention described above, since the valve body 6 facing the pressurizing port 5 of the hot tip 4 continuously facing the resin outlet 2 of the manifold 1 is directly connected to the piezoelectric device 7, the piezoelectric device 7 is provided. The expansion and contraction of 7 allows the valve body 6 to open and close the pressure inlet 5.

【0017】特に、圧電素子7に供給する電圧の強弱を
調節して伸縮度を変えることにより、圧入口5と弁体6
先端との相対位置間隔を調整できるので、弁体6を任意
の位置で停止させ、金型に対する樹脂材料の圧入量を調
節することができる。
In particular, by adjusting the strength of the voltage supplied to the piezoelectric element 7 to change the degree of expansion and contraction, the pressure inlet 5 and the valve body 6
Since the relative position interval with the tip can be adjusted, the valve body 6 can be stopped at an arbitrary position and the amount of resin material pressed into the mold can be adjusted.

【0018】従って、多点ゲートによるマニホールドに
よって大型の成形品を形成する場合、ホットチップ4毎
に金型への樹脂材料の圧入量を調整操作し、均質な成形
品を得ることが可能となる。
Therefore, when a large-sized molded product is formed by a manifold having a multi-point gate, it is possible to adjust the press-fitting amount of the resin material into the mold for each hot chip 4 to obtain a uniform molded product. .

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

【図1】本発明ホットランナーの一実施例を示す説明図
である。
FIG. 1 is an explanatory view showing an embodiment of a hot runner of the present invention.

【図2】本発明ホットランナーの他の実施例を示す説明
図である。
FIG. 2 is an explanatory view showing another embodiment of the hot runner of the present invention.

【図3】従来のホットランナーの一例を示す説明図であ
る。
FIG. 3 is an explanatory diagram showing an example of a conventional hot runner.

【図4】従来のホットランナーにおけるホットチップの
開閉操作の一例を示す説明図である。
FIG. 4 is an explanatory view showing an example of opening / closing operation of a hot tip in a conventional hot runner.

【符号の説明】[Explanation of symbols]

1 マニホールド 2 出口 3 流通路 4 ホットチップ 5 圧入口 6 弁体 7 圧電素子 8 保持具 A マニホールド B ホットチップ C 流通路 D 入口 E 出口 F ゲート G 弁体 H 圧入口 1 Manifold 2 Outlet 3 Flow Path 4 Hot Tip 5 Pressure Inlet 6 Valve Body 7 Piezoelectric Element 8 Holding Tool A Manifold B Hot Tip C Flow Path D Inlet E Outlet F Gate G Valve Body H Pressure Inlet

【手続補正書】[Procedure amendment]

【提出日】平成5年3月30日[Submission date] March 30, 1993

【手続補正1】[Procedure Amendment 1]

【補正対象書類名】図面[Document name to be corrected] Drawing

【補正対象項目名】全図[Correction target item name] All drawings

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【図 1】 [Figure 1]

【図 2】 [Figure 2]

【図 3】 [Figure 3]

【図 4】 [Figure 4]

フロントページの続き (72)発明者 山崎 昭夫 神奈川県横浜市緑区美しが丘4−51−7 (72)発明者 竹内 繁昭 埼玉県狭山市柏原1242−2Front Page Continuation (72) Inventor Akio Yamazaki 4-51-7 Migamioka, Midori-ku, Yokohama City, Kanagawa Prefecture (72) Inventor Shigeaki Takeuchi 1242-2 Kashiwara, Sayama City, Saitama Prefecture

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 入口から供給した溶融樹脂材料を流通路
を通して出口から供給するマニホールド1と、マニホー
ルド1の出口に面して連設したホットチップ4の圧入口
5から金型に溶融樹脂材料を圧入するようにしたホット
ランナーにおいて、ホットチップ4内において先端を圧
入口5に面して往復動可能とした弁体6と圧電素子7と
を直結して成ることを特徴とするホットランナー。
1. A molten resin material is supplied to a mold from a manifold 1 in which a molten resin material supplied from an inlet is supplied from an outlet through a flow passage, and a pressure inlet 5 of a hot chip 4 which is continuously provided facing the outlet of the manifold 1. In a hot runner adapted to be press-fitted, a hot runner is formed by directly connecting a valve element 6 and a piezoelectric element 7 which are capable of reciprocating in a hot tip 4 with a front end thereof facing a pressure inlet 5.
【請求項2】 弁体6はマニホールド1を貫通し、マニ
ホールド1の外部に定置した圧電素子7に直結して成る
ことを特徴とする請求項1に記載するホットランナー。
2. The hot runner according to claim 1, wherein the valve element 6 penetrates the manifold 1 and is directly connected to a piezoelectric element 7 which is fixed outside the manifold 1.
【請求項3】 マニホールド1の出口に面して連設した
ホットチップ4内に設けた筒状の保持具8内に圧電素子
7を収容し、この圧電素子7には、保持具8内を蜜に出
入りして圧入口5に往復動可能な弁体6を連結して成る
ことを特徴とするホットランナー用ホットチップ。
3. A piezoelectric element 7 is housed in a cylindrical holder 8 provided in a hot chip 4 that is continuously provided facing the outlet of a manifold 1, and the inside of the holder 8 is accommodated in the piezoelectric element 7. A hot tip for a hot runner, characterized in that it comprises a valve body 6 which can move in and out of honey and is connected to the pressurizing port 5 to reciprocate.
JP24593492A 1992-08-24 1992-08-24 Hot runner and hot tip for hot runner Pending JPH0664004A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24593492A JPH0664004A (en) 1992-08-24 1992-08-24 Hot runner and hot tip for hot runner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24593492A JPH0664004A (en) 1992-08-24 1992-08-24 Hot runner and hot tip for hot runner

Publications (1)

Publication Number Publication Date
JPH0664004A true JPH0664004A (en) 1994-03-08

Family

ID=17141037

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24593492A Pending JPH0664004A (en) 1992-08-24 1992-08-24 Hot runner and hot tip for hot runner

Country Status (1)

Country Link
JP (1) JPH0664004A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1755857A1 (en) * 2004-04-23 2007-02-28 Husky Injection Molding Systems Ltd. Method and apparatus for adjustable hot runner assembly seals and tip height using active material elements

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62288778A (en) * 1986-06-05 1987-12-15 Toyota Autom Loom Works Ltd Hydraulic control valve
JPH02118277A (en) * 1988-10-26 1990-05-02 Nippon Denso Co Ltd Valve device
JPH03162921A (en) * 1990-11-20 1991-07-12 Sansho Giken Kk Hot runner type mold for synthetic resin

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62288778A (en) * 1986-06-05 1987-12-15 Toyota Autom Loom Works Ltd Hydraulic control valve
JPH02118277A (en) * 1988-10-26 1990-05-02 Nippon Denso Co Ltd Valve device
JPH03162921A (en) * 1990-11-20 1991-07-12 Sansho Giken Kk Hot runner type mold for synthetic resin

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1755857A1 (en) * 2004-04-23 2007-02-28 Husky Injection Molding Systems Ltd. Method and apparatus for adjustable hot runner assembly seals and tip height using active material elements
JP2007533496A (en) * 2004-04-23 2007-11-22 ハスキー インジェクション モールディング システムズ リミテッド Method and apparatus for adjustable hot runner assembly sealing and tip height using active material elements
EP1755857A4 (en) * 2004-04-23 2008-09-17 Husky Injection Molding Method and apparatus for adjustable hot runner assembly seals and tip height using active material elements

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