JPH02225018A - Injection mold - Google Patents
Injection moldInfo
- Publication number
- JPH02225018A JPH02225018A JP4737189A JP4737189A JPH02225018A JP H02225018 A JPH02225018 A JP H02225018A JP 4737189 A JP4737189 A JP 4737189A JP 4737189 A JP4737189 A JP 4737189A JP H02225018 A JPH02225018 A JP H02225018A
- Authority
- JP
- Japan
- Prior art keywords
- guide member
- gate
- tip
- bush
- bushing
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、ゲートを開閉する可動ロッド（トピード）を
備えた射出成形金型に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an injection mold equipped with a movable rod (torpedo) that opens and closes a gate.
一般に、この種の射出成形金型にあっては、トピードの
位置精度にわずかでも狂いが生じると、トピードがゲー
トに接触してゲートの寿命を縮める原因となる。Generally, in this type of injection mold, if there is even a slight deviation in the positional accuracy of the torpedo, the torpedo will come into contact with the gate, which will shorten the life of the gate.
そこで、例えば、特開昭５９−１５０７３６号公報にお
いて１よ、金型内にトビード先端の位置規制を行うガイ
ド部材を設ける構成が提案されている。Therefore, for example, Japanese Patent Application Laid-Open No. 59-150736 proposes a configuration in which a guide member is provided in the mold to regulate the position of the tip of the tobead.
第６図はこの提案による射出成形金型の一例を示し、符
号ｌは固定型板、２は可動型板、３はゲート、４は＋ヤ
ビティ、５はバンドヒータ６を備えたブ・ｙシ≧、７は
樹脂通路、８は昇降操作されゲート３の開閉を行なうト
ビードである。FIG. 6 shows an example of an injection molding mold according to this proposal, in which reference numeral 1 indicates a fixed mold plate, 2 a movable mold plate, 3 a gate, 4 a + cavity, and 5 a bushing equipped with a band heater 6. ≧, 7 is a resin passage, and 8 is a tobeed which is operated to raise and lower to open and close the gate 3.
ブツシュ５のゲート３と対向する下端には、円筒状のガ
イド部材９が嵌め込まれている。このガイド部材９は、
第７図に示すように、内壁面９Ｂ下向きにせばまる円錐
状をなし、さらに内壁面には、第８図に示すように、上
下方向に延びる３本の溝９Ａが互いに１２０°隔てて形
成されている。A cylindrical guide member 9 is fitted into the lower end of the bush 5 facing the gate 3. This guide member 9 is
As shown in FIG. 7, the inner wall surface 9B has a conical shape that narrows downward, and as shown in FIG. 8, three grooves 9A extending in the vertical direction are formed at 120 degrees apart from each other. has been done.
これにより、上記射出成形金型にあっては、トビード８
を下降させてゲート３を閉しる場合に振れが生じたとし
ても、トビード８の先端部側面がガイド部材９のテーバ
面９Ｂに接触して位置が矯正され、ゲート３に接触する
ことがないとされている。As a result, in the above injection mold, the tobead 8
Even if vibration occurs when the gate 3 is lowered and the gate 3 is closed, the side surface of the tip end of the tobead 8 comes into contact with the tapered surface 9B of the guide member 9 and its position is corrected, so that it does not come into contact with the gate 3. It is said that
しかしながら、上記従来の射出成形金型においては、バ
ンドヒータ６によって直接加熱され温度変化の激しいブ
ツシュ５にガイド部材９が一体に固定されているため、
ブツシュ５の熱膨張に伴ってブツシュ５の下端位置が上
下方向のみならず、水平方向にも予想外に大きく変化し
、ガイド部材９とゲート３との相対位置そのものが狂う
場合があり、ゲート３とトピード８との接触を完全には
防止できないという問題があった。However, in the above-mentioned conventional injection mold, the guide member 9 is integrally fixed to the bush 5 which is directly heated by the band heater 6 and undergoes rapid temperature changes.
Due to the thermal expansion of the bushing 5, the lower end position of the bushing 5 unexpectedly changes not only in the vertical direction but also in the horizontal direction, and the relative position of the guide member 9 and the gate 3 itself may become incorrect. There was a problem in that contact with the torpedo 8 could not be completely prevented.
また、射出時には、上昇位置にあるトビード８とガイド
部材９のテーバ面９Ｂとの間隙および溝９Ａを通じて溶
融樹脂か流れる構成なので、このようなガイド部材９を
設けない金型に比して流路抵抗の増大が避けられない上
に、トビード８とガイド部材９との軸心にずれが生じた
場合には、トピード８の周囲において樹脂流量に偏りが
生じ、ゲート３を通じてのキャビティ４への注入バラン
。Furthermore, during injection, the molten resin flows through the gap between the tobead 8 in the raised position and the tapered surface 9B of the guide member 9 and through the groove 9A, so the flow path is smaller than in a mold without such a guide member 9. In addition to an unavoidable increase in resistance, if the axes of the torpedo 8 and the guide member 9 are misaligned, the resin flow rate will be uneven around the torpedo 8, and the injection into the cavity 4 through the gate 3 will become uneven. Balan.
スが悪化するという問題も有していた。There was also the problem of deterioration of the water quality.
本発明は、上記事情に鑑みてなされたもので、その目的
とするところは、可動口、ドとゲートとの位置関係を確
実に保持できて、可動ロッドとケートとの接触干渉を完
全に防くことかできる上に、ｌＡＬ路抵抗抵抗減を図る
ことができ、かつ樹脂のキャビティへの注入バランスが
悪化することを抑制できる射出成形金型を提供すること
にある。The present invention has been made in view of the above circumstances, and its purpose is to reliably maintain the positional relationship between the movable port, door and gate, and completely prevent contact interference between the movable rod and the gate. It is an object of the present invention to provide an injection molding mold which can reduce the resistance of the lAL path, and can suppress deterioration of the injection balance of resin into the cavity.
上記目的を達成するために、本発明の射出成形金型は、
ブツシュの先端に、このブノ／ユの外周面から樹脂通路
に達するスリｙ）か設けられ、上記ブツシュの先端の外
周の型板に、ガイド部材が設けられ、かつこのガイド部
材の内周部に、上記ブッシュのスリットに嵌まり合う羽
根部が形成されると共に、上記ガイド部材の先端がケー
トとされているものである。In order to achieve the above object, the injection mold of the present invention has the following features:
A slot is provided at the tip of the bushing to reach the resin passage from the outer circumferential surface of the bushing, a guide member is provided on the template on the outer periphery of the bushing, and a guide member is provided on the inner circumference of the guide member. A blade portion is formed to fit into the slit of the bush, and the tip of the guide member is a cage.
本発明の射出成形金型にあっては、ブツシュの先端の外
周の型板に設けたガイド部材の羽根部によって、可動ロ
ッドが案内支持されながら軸方向に移動することにより
、可動ロンドの先端とガイド部材の先端のゲートとの位
置関係が確実に保持されると共に、射出時には、溶融樹
脂がブツシュ内の樹脂通路のみならず、ブツシュの先端
に形成されたスリットとガイド部材の羽根部との間から
もゲートへ流れることにより、流路を十分に確保でき、
かつ可動ロッドの軸心位置に多少の誤差が生じたとして
も、樹脂の流れに与える影響が少な（、キャビティへの
注入バランスが悪化するおそれがない。In the injection mold of the present invention, the movable rod moves in the axial direction while being guided and supported by the vanes of the guide member provided on the template on the outer periphery of the tip of the bushing, thereby connecting the tip of the movable rod with the blade of the guide member. The positional relationship between the tip of the guide member and the gate is reliably maintained, and during injection, the molten resin flows not only into the resin passage within the bushing, but also between the slit formed at the tip of the bushing and the blade of the guide member. By flowing from both to the gate, a sufficient flow path can be secured,
Furthermore, even if there is some error in the axial center position of the movable rod, it will have little effect on the flow of the resin (there is no risk of deteriorating the injection balance into the cavity).
以下、第１図ないし第５図に基づいて本発明の一実施例
を説明する。Hereinafter, one embodiment of the present invention will be described based on FIGS. 1 to 5.
これらの図において符号１０は固定型板であり、この固
定型板ＩＯに対向して可動型板１１が開閉自在に設けら
れている。そして、これらの型板１０．１１間に成形品
形状をなすキャビティ１３が形成されている。上記固定
型板１０は、受板を介して固定取付板に、かつ可動型板
１１は、受板を介して可動取付仮にそれぞれ固定されて
いる。In these figures, reference numeral 10 denotes a fixed mold plate, and a movable mold plate 11 is provided opposite to this fixed mold plate IO so as to be openable and closable. A cavity 13 in the shape of a molded product is formed between these templates 10 and 11. The fixed template 10 is temporarily fixed to a fixed mounting plate via a receiving plate, and the movable template 11 is movably fixed via a receiving plate.
上記固定型板ｌＯの内部には、ブｙ／−Ｌ１３か装着さ
れ、その周囲には断熱月１の空隙１４が形成されている
。そして、上記ブツシュ１３の内部には溶融樹脂用の樹
脂通路１５が形成されており、このブツシュ１３の先端
部は内外周部ともに縮径して先細状に形成されている。Inside the fixed mold plate IO, a buoy/-L 13 is installed, and a gap 14 of a heat insulating moon 1 is formed around it. A resin passage 15 for molten resin is formed inside the bush 13, and the tip of the bush 13 is formed into a tapered shape with reduced diameters at both the inner and outer peripheral parts.
また、上記ブツシュ１３の先端には、３本のスリ１）１
６が互いに１２０度隔てて樹脂通路１５を中心とする放
射状に形成されており、各スリット１６は先端から基端
側に行くにつれて幅が狭（なる台形状に形成されている
。In addition, at the tip of the bush 13, there are three slots 1)
6 are formed radially around the resin passage 15 at 120 degrees apart from each other, and each slit 16 is formed into a trapezoid shape whose width becomes narrower from the tip to the base end.
上記ブツシュ１３の先端外周に対向して所定の間隙１７
を保持した状態において、固定型板１０の内部には、漏
斗状のガイド部材１８が嵌合固定されている。このガイ
ド部材１８の先端はキャビティ１２内に若干突出して配
置され、その先端面中央部の開口がゲート（樹脂射出口
）１９とされている。また、ガイド部材１８の基端つば
部２０は、固定型板１０の内部の段部２１に係止されて
おり、かつ基端面とブツシュ１３の段差部２２との間に
はリング部材２３が装着されている。さらに、ガイド部
材１８の円錐面状の外周部には、断熱用のリング状の凹
部２４が形成されている。さらにまた、ガイド部材１８
の先端内周面には、上記ブツシュ１３のスリット１６に
嵌まり合う３つの羽根部２５が内方に向かって突出して
形成されている。この羽根部２５は、ガイド部材１８の
先端から基端側に（第１図において下から上方に）行く
つれて幅が狭くなるように形成されている。A predetermined gap 17 facing the outer periphery of the tip of the bush 13
A funnel-shaped guide member 18 is fitted and fixed inside the fixed mold plate 10 in a state in which the mold plate 10 is held. The tip of this guide member 18 is arranged to slightly protrude into the cavity 12, and the opening at the center of the tip surface is a gate (resin injection port) 19. Further, the proximal flange portion 20 of the guide member 18 is locked to a stepped portion 21 inside the fixed mold plate 10, and a ring member 23 is attached between the proximal end surface and the stepped portion 22 of the bushing 13. has been done. Furthermore, a ring-shaped recess 24 for heat insulation is formed in the conical outer peripheral portion of the guide member 18 . Furthermore, the guide member 18
Three blade portions 25 that fit into the slits 16 of the bushing 13 are formed on the inner circumferential surface of the tip of the bushing 13 so as to protrude inward. The blade portion 25 is formed so that its width becomes narrower from the distal end of the guide member 18 toward the proximal end (from the bottom to the top in FIG. 1).
そして、上記ブツシュ１３とガイド部材１８の内部には
トピード２６が、その軸線に沿って往復動自在に配置さ
れており、このトピード２６の先端は、円錐部２７を経
て、ゲート１９の開口径より、若干小径の円柱状のゲー
ト閉鎖部２８とされている。また、上記ガイド部材１８
の羽根部２５の内面の、上記ゲート１９から遠い側には
、外方に拡がるように傾斜面２９が形成されており、こ
の傾斜面２９により、上記トピード２６の先端部が円滑
に案内されるようになっている。A torpedo 26 is disposed inside the bush 13 and the guide member 18 so as to be able to reciprocate along its axis. , is a cylindrical gate closing portion 28 with a slightly small diameter. In addition, the guide member 18
A sloped surface 29 is formed on the inner surface of the blade portion 25 on the side far from the gate 19 so as to expand outward, and the tip of the torpedo 26 is smoothly guided by this sloped surface 29. It looks like this.
上記のように構成された射出成形金型においては、トビ
ード２６を、第１図の実線位置から二点鎖線位置に移動
させてゲート１９を閉塞しようとする場合に、トビード
２６の先端部が、ガイド部材Ｉ８の羽根部２５の内面、
特に、傾斜面２９に案内されて、スムーズにガイド部材
１８内に進入し、トピード２６のゲート閉鎖部２８がゲ
ート１９を閉鎖する。In the injection mold configured as described above, when the tobead 26 is moved from the solid line position to the two-dot chain line position in FIG. 1 to close the gate 19, the tip of the tobead 26 The inner surface of the blade portion 25 of the guide member I8,
In particular, it is guided by the inclined surface 29 and smoothly enters the guide member 18, and the gate closing portion 28 of the torpedo 26 closes the gate 19.
この場合、ガイド部材１８にゲー）１９及び案内用の羽
根部２５が形成されているから、ブツシュ１３が熱膨張
により変位したり、あるいは、トピード２６とゲート１
９との位置がずれた場合であっても、何ら支障なく、円
滑にトピード２６の先端部はゲー）１９に導かれて、位
置ずれにより、ゲート閉鎖部２８がゲート１９周囲部に
接触干渉することがない。また、上記ガイド部材１８は
、固定型板１０に固定されているが、固定型板１０との
間に凹部２４を設けることにより、固定型板ＩＯ側の冷
却による熱的影響を受けることが極力抑制される。In this case, since the guide member 18 is formed with the gate 19 and the guide vane 25, the bush 13 may be displaced due to thermal expansion, or the torpedo 26 and the gate 1 may be displaced due to thermal expansion.
Even if the position of the torpedo 26 is misaligned with the gate 19, the tip of the torpedo 26 is smoothly guided to the gate 19 without any problem, and due to the misalignment, the gate closing part 28 contacts and interferes with the surrounding area of the gate 19. Never. Further, although the guide member 18 is fixed to the fixed template 10, by providing a recess 24 between the guide member 18 and the fixed template 10, the thermal influence due to cooling on the fixed template IO side is minimized. suppressed.
さらに、射出時（第１図においてトピード２６が実線位
置にある場合）に、ブツシュ１３の下端部において、溶
融樹脂が樹脂通路１５を通るだけでなく、プツシ５１３
のスリット１６とガイド部材１８の羽根部２５との間を
通ってゲート１９方向に流れるので、実質的に流路面積
が大きく、流路抵抗の低減が図れる上に、待機位置にあ
るトビード２６に多少の位置誤差が生じたとしても、樹
脂の流れに偏りを生じる傾向が小さく、キャビティ１２
内への樹脂注入バランスが悪化することがない。Furthermore, during injection (when the torpedo 26 is at the solid line position in FIG. 1), the molten resin not only passes through the resin passage 15 at the lower end of the bush 13, but also
Since the flow passes between the slit 16 and the blade portion 25 of the guide member 18 in the direction of the gate 19, the flow path area is substantially large and flow path resistance can be reduced. Even if some positional error occurs, there is little tendency to bias the resin flow, and the cavity 12
The balance of resin injection into the interior will not deteriorate.
なお、上記実施例においては、スリット１６と羽根部２
５とを各３つずつ設けた構成で説明したが、これに限ら
ず、２または４以上としてもよいし、羽根部２５の数よ
りスリ・ノド１６の数を多くしてもよい。In addition, in the above embodiment, the slit 16 and the blade part 2
Although the description has been made using a configuration in which three blades 5 and 5 are provided, the configuration is not limited to this, and the number may be two or four or more, or the number of slotted throats 16 may be greater than the number of blades 25.
以上説明したように、本発明は、一対の型板間にキャビ
ティが形成され、一方の型板内にゲートを経て上記キャ
ビティに連通ずる樹脂通路を備えたブツシュが設けられ
、かつ上記樹脂通路内に軸方向に移動可能に可動ロッド
が配置され、この可動ロッドの先端で上記ゲートを開閉
する射出成形金型において、
上記ブツシュの先端に、このブツシュの外周面から上記
樹脂通路に達するスリットが設けられ、上記ブツシュの
先端の外周の型板に、ガイド部材が設けられ、かつこの
ガイド部材の内周部に、上記ブツシュのスリットに嵌ま
り合う羽根部が形成されると共に、上記ガイド部材の先
端がゲートとされたものであるから、ブツシュの先端に
外周の型板に設けたガイド部材の羽根部によって、可動
ロンドが案内支持されながら軸方向に移動することによ
り、可動ロッドの先端とガイド部材の先端のゲートとの
位置関係を確実に保持できて、可動ロッドとゲートとの
接触干渉を完全に防ぐことができ、かつゲート寿命を大
幅に延ばすことができる。また、射出時には、溶融樹脂
がブツシュ内の樹脂通路のみならず、ブ・ノシュの先端
に形成されたスリットとガイド部材の羽根部との間から
もゲートへ流れることにより、流路を十分に確保でき、
かつ可動ロッドの軸心位置に多少の誤差が生じたとして
も、樹脂の流れに与える影響が少なく、キャビティへの
注入バランスの悪化を防ぐことができる。As explained above, the present invention has a cavity formed between a pair of templates, a bush provided with a resin passage communicating with the cavity through a gate, and a bush provided in one of the templates, and inside the resin passage. In an injection molding mold, a movable rod is arranged to be movable in the axial direction, and the gate is opened and closed at the tip of the movable rod, and a slit is provided at the tip of the bushing to reach the resin passage from the outer peripheral surface of the bushing. A guide member is provided on the template on the outer periphery of the tip of the bushing, and a blade portion that fits into the slit of the bushing is formed on the inner periphery of the guide member. Since the movable rod is used as a gate, the movable rod is guided and supported by the vanes of the guide member provided on the template on the outer periphery of the bushing, and moves in the axial direction. The positional relationship between the tip of the movable rod and the gate can be reliably maintained, contact interference between the movable rod and the gate can be completely prevented, and the life of the gate can be greatly extended. Additionally, during injection, the molten resin flows not only through the resin passage inside the bush but also from between the slit formed at the tip of the bush and the blade of the guide member, ensuring a sufficient flow path. I can do it,
Moreover, even if some error occurs in the axial center position of the movable rod, the influence on the flow of resin is small, and deterioration of the injection balance into the cavity can be prevented.
第１図ないし第５図は本発明の一実施例を示すもので、
第１図は断面図、第２図はブツシュの断面図、第３図は
同下面図、第４図は平面図、第５図は第４図のｖ−ｖ線
に沿う断面図、第６図ないし第８図は従来の射出成形金
型を示すもので、第６図は断面図、第７図は要部の断面
図、第８図はブツシュ部の下面図である。
１０・・・・・・固定型板、１１・・・・・・可動型板
、１２・・・・・・キャビティ、１３・・・・・・ブツ
シュ、１５・・・・・・樹脂通路、１６・・・・・・ス
リット、１８・・・・・・ガイド部材、１９・・・・・
・ゲート、２５・・・・・・羽根部、２６・・・・・・
トビード（可動ロッド）。1 to 5 show an embodiment of the present invention,
Fig. 1 is a sectional view, Fig. 2 is a sectional view of the bushing, Fig. 3 is a bottom view thereof, Fig. 4 is a plan view, Fig. 5 is a sectional view taken along line v-v in Fig. 4, and Fig. 6 is a sectional view of the bushing. 8 to 8 show a conventional injection mold, in which FIG. 6 is a sectional view, FIG. 7 is a sectional view of the main part, and FIG. 8 is a bottom view of the bushing. 10... Fixed template, 11... Movable template, 12... Cavity, 13... Bush, 15... Resin passage. 16...Slit, 18...Guide member, 19...
・Gate, 25... Wing part, 26...
Tobeed (movable rod).
Claims (1)
ゲートを経て上記キャビティに連通する樹脂通路を備え
たブッシュが設けられ、かつ上記樹脂通路内に軸方向に
移動可能に可動ロッドが配置され、この可動ロッドの先
端で上記ゲートを開閉する射出成形金型において、 上記ブッシュの先端に、このブッシュの外周面から上記
樹脂通路に達するスリットが設けられ、上記ブッシュの
先端の外周の型板に、ガイド部材が設けられ、かつこの
ガイド部材の内周部に、上記ブッシュのスリットに嵌ま
り合う羽根部が形成されると共に、上記ガイド部材の先
端がゲートとされたことを特徴とする射出成形金型。[Claims] A cavity is formed between a pair of mold plates, and a bush is provided in one of the mold plates and has a resin passage communicating with the cavity through a gate, and the bush is provided in the resin passage in the axial direction. In an injection mold in which a movable rod is movably disposed and the gate is opened and closed at the tip of the movable rod, a slit is provided at the tip of the bush to reach the resin passage from the outer peripheral surface of the bush; A guide member is provided on the template on the outer periphery of the tip of the guide member, and a blade portion that fits into the slit of the bush is formed on the inner periphery of the guide member, and the tip of the guide member serves as a gate. An injection mold characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1047371A JP2674186B2 (en) | 1989-02-28 | 1989-02-28 | Injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1047371A JP2674186B2 (en) | 1989-02-28 | 1989-02-28 | Injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02225018A true JPH02225018A (en) | 1990-09-07 |
| JP2674186B2 JP2674186B2 (en) | 1997-11-12 |
Family
ID=12773248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1047371A Expired - Fee Related JP2674186B2 (en) | 1989-02-28 | 1989-02-28 | Injection mold |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2674186B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7361010B2 (en) * | 2006-01-26 | 2008-04-22 | D-M-E Company | Apparatus for injection molding |
-
1989
- 1989-02-28 JP JP1047371A patent/JP2674186B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7361010B2 (en) * | 2006-01-26 | 2008-04-22 | D-M-E Company | Apparatus for injection molding |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2674186B2 (en) | 1997-11-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4043740A (en) | Injection molding nozzle seal | |
| US6179604B1 (en) | Valve gate device for use in an injection mold | |
| BR8106963A (en) | VALVE ASSEMBLY AND MOLD ASSEMBLY | |
| US5811140A (en) | Needle valve nozzle with a needle guide | |
| JPH02225018A (en) | Injection mold | |
| JP2003011176A (en) | Valve gate type mold equipment | |
| JPH06143358A (en) | Injection mold | |
| JP3196465B2 (en) | Injection mold | |
| US6890473B2 (en) | Alignment collar for a nozzle | |
| JPH0369327A (en) | Mold for injection molding | |
| JP3196463B2 (en) | Injection mold | |
| CS214876B2 (en) | Appliance for shaping the plastic materials particularly melted glass | |
| JP2674192B2 (en) | Injection mold | |
| JPH02117805A (en) | Injection mold | |
| JPH10235651A (en) | Positioning structure of mold | |
| KR20020019424A (en) | Molding method and valve-gate type molding apparatus used therefor | |
| JPH1177759A (en) | Hot runner mold | |
| JP2000167882A (en) | Valve gate type mold equipment | |
| JP3240615B2 (en) | Valve gate type mold equipment | |
| JPH06143359A (en) | Injection mold | |
| CN217373277U (en) | Flow channel gate ejection temperature adjusting structure, injection mold and injection molding machine | |
| CN223589989U (en) | Hot runner nozzle structure | |
| JP2674195B2 (en) | Injection mold | |
| JPS58128827A (en) | Hot runner mold | |
| JP2770595B2 (en) | Injection mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |