JP2007038512A - Resin molding die having slide core - Google Patents

Resin molding die having slide core Download PDF

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JP2007038512A
JP2007038512A JP2005224872A JP2005224872A JP2007038512A JP 2007038512 A JP2007038512 A JP 2007038512A JP 2005224872 A JP2005224872 A JP 2005224872A JP 2005224872 A JP2005224872 A JP 2005224872A JP 2007038512 A JP2007038512 A JP 2007038512A
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slide core
resin
die
molded product
molding
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JP2007038512A5 (en
JP5217080B2 (en
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Keizo Nakagawa
圭三 中川
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Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a resin molding die having a slide core that enables highly accurate and stable molding of a resin without causing the runner part to be torn off. <P>SOLUTION: In the resin molding die in which the parting faces 3 are faced oppositely to each other and which is composed of a combination of the upper die 12 and the lower die 13 that can freely be opened or closed up and down, the molding die has a structure having the cavity part 4 that is arranged between the upper die 12 and the lower die 13, moves by slide horizontally to the parting faces 3 and has a hollow part for forming the molded product 14; the slide core A1 that has the fit-in groove 10 and the reservoir 6 for the cold slug on the upper face and the slide core B2; and the socket block part 5 that is attached to one end of the upper die 12, allows its tip to be fitted into the fit-in groove 10 of the slide core A1 and blocks the flow of the molding resin in the cold slug part. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は各種の成形用樹脂材などを使用し、各種成形製品を形成するためのスライドコア付き樹脂成形金型に関するものである。   The present invention relates to a resin molding mold with a slide core for forming various molded products using various molding resin materials and the like.

従来におけるスライドコア付き樹脂成形金型は、キャビティ部が設けられ摺動移動自在なスライドコアを有し、開閉自在な上型と下型で組合せ構成されており、スライドコアの上面や前後あるいは左右の面に、コールドスラッグの溜り部を設け、樹脂成形におけるコールドスラッグが成形製品に支障を与えないような構成としている。   A conventional resin mold with a slide core has a slide core that is provided with a cavity and is slidably movable, and is composed of an upper mold and a lower mold that can be opened and closed. On the surface, a cold slug reservoir is provided so that cold slug in resin molding does not interfere with the molded product.

なお、この出願に関する先行技術文献情報としては、例えば、特許文献１が知られている。
特開２００４−５０５７７号公報 As prior art document information relating to this application, for example, Patent Document 1 is known.
JP 2004-50577 A

しかしながら、前記従来のスライドコア付き樹脂成形金型においては、スライドコアの上面にコールドスラッグの溜り部を設けた場合、スライドコアを開閉する際にスライドコアの一部がコールドスラッグの溜り部に引っ掛り、ランナー部などが引きちぎられるなどの支障が発生する。   However, in the conventional resin mold with a slide core, when a cold slug reservoir is provided on the upper surface of the slide core, a part of the slide core is pulled to the cold slug reservoir when the slide core is opened and closed. Problems such as hooking and tearing off the runners occur.

そのため、スライドコアの上面にコールドスラッグの溜り部を設けることができず、樹脂成形機器のノズルおよびスプル内のコールドスラッグが成形製品の付属で成形用樹脂の流路であるゲートに流れ込むことが発生し、そのゲートを塞いで成形用樹脂の流動性を妨げ、成形製品における成形用樹脂の未充填などが発生し、安定した樹脂成形すなわち成形製品ができない。   Therefore, it is not possible to provide a cold slug reservoir on the upper surface of the slide core, and the cold slug in the nozzle and sprue of the resin molding equipment flows into the gate, which is the flow path of the molding resin, attached to the molded product. In addition, the fluidity of the molding resin is hindered by closing the gate, and the molding resin is not filled in the molded product, so that stable resin molding, that is, a molded product cannot be performed.

また、スライドコアの上面にコールドスラッグの溜り部を設けることができないため、コールドスラッグの溜り部にアンダーカット形状を設け、ランナーをスプルブッシュから離型する方法をとることができず、ランナーが樹脂成形金型の上型の移動に対して追従、すなわちランナーが成形製品を損傷して分離するなど、連続生産を行うための効率を下げるという課題を有していた。   Also, since the cold slug reservoir cannot be provided on the upper surface of the slide core, an undercut shape is not provided in the cold slug reservoir and the runner cannot be released from the sprue bush. There was a problem of lowering the efficiency for continuous production, such as following the movement of the upper mold of the molding die, that is, the runner damaged and separated the molded product.

本発明は前記課題を解決しようとするものであり、インローブロックの一端にて、逃し加工形状からなるスプルブッシュの溜り部における成形用樹脂の流動を阻止し、樹脂成形金型の上型の開閉に伴いインローブロックが上昇し、スライドコアを摺動移動させてスライドコアが開く時、スプルブッシュの溜り部とスライドコアの一部が干渉することなくスライドコアの摺動移動を可能とする構成とするものであり、ランナー部が成形製品から引きちぎられることがなく、連続生産するための効率を良くしたスライドコア付き樹脂成形金型を提供することを目的とするものである。   The present invention is intended to solve the above-mentioned problems, and at one end of the spigot block, the flow of the molding resin in the pool portion of the sprung bush made of the relief shape is prevented, and the upper mold of the resin mold is opened and closed. When the spigot block rises and the slide core is slid and moved to open, the slide core can slide and move without interfering with the sprue bushing reservoir and part of the slide core. It is an object of the present invention to provide a resin mold with a slide core that improves the efficiency for continuous production without the runner portion being torn off from the molded product.

前記目的を達成するために、本発明は以下の構成を有するものである。   In order to achieve the above object, the present invention has the following configuration.

本発明の請求項１に記載の発明は、特に、パーティング面同士を対向させ、上下開閉自在に上型と下型で組合せ構成される樹脂成形金型において、前記上型と前記下型の間に配設され、パーティング面に対して平行に摺動移動し、所定形状の成形製品を形成するための空洞部分を設けたキャビティ部を有し、いずれか一方の上面に嵌り溝とコールドスラッグの溜り部を設けた対のスライドコアと、前記上型の一端に取付けられ、その先端が前記スライドコア上面の嵌り溝に嵌り込み、コールドスラッグにおける成形用樹脂の流動を阻止するインローブロックを設けてなる構成を有しており、これにより、スライドコアの摺動移動が自在であり、コールドスラッグが成形製品の部分に流入せず、成形製品および成形時に形成される付属物に損傷を与えず、高精度で安定した樹脂成形ができるという作用効果を有する。   The invention according to claim 1 of the present invention is particularly a resin molding die configured by combining the upper mold and the lower mold so that the parting surfaces are opposed to each other and can be opened and closed up and down. It has a cavity part that is arranged in between and slides parallel to the parting surface and has a cavity part for forming a molded product of a predetermined shape. A pair of slide cores provided with slug reservoirs, and an inlay block which is attached to one end of the upper mold and whose tip fits into a fitting groove on the upper surface of the slide core and prevents the flow of molding resin in the cold slug The slide core can be slid and moved freely, and the cold slug does not flow into the molded product part, which damages the molded product and accessories formed during molding. Without giving has the effect that it is stable resin molding with high accuracy.

本発明の請求項２に記載の発明は、特に、成形製品の離型の際、一端にて前記成形製品を移動あるいは維持させる固定および上下移動自在なエジェクタピンを設けてなる構成を有しており、これにより、請求項１における作用効果に加えて、成形製品が迅速かつ確実に離型し分離できるという作用効果を有する。   The invention described in claim 2 of the present invention has a configuration in which a fixed and vertically movable ejector pin is provided to move or maintain the molded product at one end when the molded product is released. Thus, in addition to the function and effect of the first aspect, the molded product can be quickly and reliably released and separated.

本発明の請求項３に記載の発明は、特に、コールドスラッグの溜り部におけるスライドコアの開閉方向に支障ない部分に、成形樹脂が維持される角度のアンダーカットを設けてなる構成を有しており、これにより、請求項１あるいは２における作用効果に加えて、成形製品を損傷することなく確実に離型し分離できるという作用効果を有する。   The invention described in claim 3 of the present invention has a configuration in which an undercut having an angle at which the molded resin is maintained is provided in a portion that does not interfere with the opening and closing direction of the slide core in the cold slug reservoir. Thus, in addition to the operational effects of claim 1 or 2, there is an operational effect that the molded product can be reliably released and separated without damage.

本発明によるスライドコア付き樹脂成形金型は、パーティング面同士を対向させ、上下開閉自在に上型と下型で組合せ構成される樹脂成形金型において、上型と下型の間に配設され、パーティング面に対して平行に摺動移動し、所定形状の成形製品を形成するための空洞部分を設けたキャビティ部を有し、いずれか一方の上面に嵌り溝とコールドスラッグの溜り部を設けた対のスライドコアと、上型の一端に取付けられ、その先端が前記スライドコア上面の嵌り溝に嵌り込み、コールドスラッグにおける成形用樹脂の流動を阻止するインローブロックを設けてなる構成であり、スライドコアにスプルブッシュを設けても、スライドコアが摺動移動した場合にランナーが引きちぎられることなどによる成形製品の損傷がなく、また、コールドスラッグの溜り部が適切な箇所に設置できるため、コールドスラッグが成形製品の部分に流入することがなく、高精度で安定した樹脂成形ができるという効果を有するものである。   The resin molding die with a slide core according to the present invention is arranged between an upper die and a lower die in a resin molding die constituted by combining upper and lower molds so that the parting surfaces face each other and can be opened and closed vertically. And has a cavity portion provided with a cavity portion for sliding and moving parallel to the parting surface to form a molded product of a predetermined shape, and a groove and a cold slug reservoir portion on one of the upper surfaces And a pair of slide cores attached to one end of the upper die, the tip of which fits into the fitting groove on the upper surface of the slide core, and an inlay block that prevents the flow of molding resin in the cold slug is provided. Yes, even if a sprue bush is provided on the slide core, there is no damage to the molded product due to the runner being torn off when the slide core slides. Since the reservoir of Tsu grayed can be installed in the appropriate places, without cold slug flows to the portion of the molded product, those having an effect of stable resin molding with high accuracy.

以下、実施の形態を用いて、本発明の特に請求項１〜３に記載の発明について図面を参照しながら説明する。   DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described with reference to the drawings.

図１は本発明の実施の形態における樹脂成形金型の構造を示す要部断面図、図２は同樹脂成形金型の構造を示す要部平面図、図３は同型閉じ状態の動作工程を説明する要部構成断面図、図４は同型開き状態の動作工程を説明する要部構成断面図、図５は同スライドコア開閉状態の動作工程を説明する要部構成断面図、図６は同成形品突き出し状態の動作工程を説明する要部構成断面図、そして図７は同コールドスラッグの溜り部のアンダーカット形状を示す要部平面および部分断面図である。   FIG. 1 is a cross-sectional view of a main part showing the structure of a resin molding die in an embodiment of the present invention, FIG. 2 is a plan view of the main part showing the structure of the resin molding die, and FIG. FIG. 4 is a cross-sectional view of the main part for explaining the operation process in the same type open state, FIG. 5 is a cross-sectional view of the main part for explaining the operation process in the open / close state of the slide core, and FIG. FIG. 7 is a fragmentary plan view and partial sectional view showing an undercut shape of a reservoir portion of the cold slug.

まず、図１において１は鋼材あるいは超鋼材などからなるスライドコアＡであり、成形用樹脂の注入および成形時に発生するコールドスラッグを貯留する溜り部６を片側面に１個あるいは複数個設け、水平に摺動移動自在である。   First, in FIG. 1, 1 is a slide core A made of steel, super steel, or the like. One or a plurality of reservoirs 6 for storing cold slug generated during injection of molding resin and molding are provided on one side. It can slide and move freely.

２はスライドコアＡ１とパーティング面３を基準として対向する水平に摺動移動自在で、鋼材あるいは超鋼材などからなるスライドコアＢであり、鋼材あるいは超鋼材などからなり上下開閉自在に組み合わされる上型１２と下型１３との対の成形金型におけるパーティング面３に対して平行に移動自在である。   2 is a slide core B made of a steel material or a super steel material, which is slidable and movable horizontally facing the slide core A1 and the parting surface 3, and is made of a steel material or a super steel material and can be freely opened and closed. The mold 12 and the lower mold 13 are movable in parallel with the parting surface 3 in the pair of molding dies.

４は所望形状の成形製品１４を得るための空洞部分を形成したキャビティ部であり、スライドコアＡ１とスライドコアＢ２の設定配置により所望形状の成形製品１４が形成されるものであり、そして、１１は成形用樹脂の注入および流動における通路であるスプル、同じく８はランナーである。   Reference numeral 4 denotes a cavity portion in which a hollow portion for obtaining a molded product 14 having a desired shape is formed. The molded product 14 having a desired shape is formed by setting and arranging the slide core A1 and the slide core B2. Is a sprue which is a passage for injection and flow of molding resin, and 8 is a runner.

６は前記でも説明したが、スライドコアＡ１の上面でキャビティ部４の近傍に設けられたコールドスラッグを貯留させる溜り部、５は鋼材などからなるインローブロックであり、上型１２に取付けられ下先端が溜り部６の縁端部に設けられた嵌り溝１０に嵌り込み、キャビティ部４と溜り部６を遮断して分離し、コールドスラッグの溜り部６に対する成形用樹脂の注入あるいは成形用樹脂の流動を阻止するものである。   As described above, 6 is a reservoir portion for storing cold slug provided in the vicinity of the cavity portion 4 on the upper surface of the slide core A1, and 5 is an inlay block made of steel or the like. Is fitted into a fitting groove 10 provided at the edge of the reservoir portion 6, and the cavity portion 4 and the reservoir portion 6 are cut off and separated, and injection of molding resin into the reservoir portion 6 of the cold slug or injection of molding resin is performed. It prevents flow.

図２における７は逃し部であり、スライドコアＡ１の上面で嵌り溝１０に連接して設けられており、スライドコアＡ１の摺動移動、例えばスライドコアＢ２との開閉時に、溜り部６とスライドコアＡ１との干渉やコールドスラッグがスライドコアＡ１の一部分に引っ掛る支障、すなわち成形製品１４における成形用樹脂の損傷を防止する。   Reference numeral 7 in FIG. 2 denotes a relief portion, which is provided on the upper surface of the slide core A1 so as to be connected to the fitting groove 10. When the slide core A1 slides, for example, when the slide core B2 is opened and closed, the pool portion 6 and the slide The interference with the core A1 and the trouble that the cold slug is caught on a part of the slide core A1, that is, the damage of the molding resin in the molded product 14 are prevented.

図１から図３に示すように、成形用樹脂はスプル１１、コールドスラッグの溜り部６、ランナー８、そしてゲート９を経由して流動し、キャビティ部４に注入され成形製品１４を形成する。   As shown in FIGS. 1 to 3, the molding resin flows through the sprue 11, the cold slug reservoir 6, the runner 8, and the gate 9, and is injected into the cavity 4 to form a molded product 14.

図３は所定の樹脂成形直後における樹脂成形金型の状態を示しており、上型１２よりインローブロック５の下先端がスライドコアＡ１の嵌り溝１０に挿入され、コールドスラッグの溜り部６における成形用樹脂の不要な流動を阻止している。   FIG. 3 shows a state of the resin molding die immediately after predetermined resin molding. The lower tip of the inlay block 5 is inserted into the fitting groove 10 of the slide core A1 from the upper mold 12, and molding in the cold slug reservoir 6 is performed. This prevents unnecessary flow of resin.

なお、１８は下成形型１７を移動（下方向）させる際、一端にて成形製品１４を維持するための固定および上下移動自在なエジェクタピンである。   Reference numeral 18 denotes an ejector pin that can be fixed and moved up and down to maintain the molded product 14 at one end when the lower mold 17 is moved (downward).

図４は上型１２が上昇してスライドコアＡ１およびスライドコアＢ２から分離した状態を示しており、スプル１１における成形樹脂部および成形製品１４の製品上部１５が、スライドコアＡ１およびスライドコアＢ２の上面に露出している。   FIG. 4 shows a state in which the upper mold 12 is lifted and separated from the slide core A1 and the slide core B2, and the molded resin portion in the sprue 11 and the product upper part 15 of the molded product 14 are formed on the slide core A1 and the slide core B2. It is exposed on the top surface.

図５はスライドコアＡ１とスライドコアＢ２が、左右水平方向に摺動移動して開いた状態を示しており、この時コールドスラッグの溜り部６はスライドコアＡ１に干渉あるいは引っ掛ることなく、スライドコアＡ１とスライドコアＢ２を開閉することができ、スプル１１における成形樹脂部、成形製品１４の製品上部１５、溜り部６および逃げ部７における成形樹脂部、そして成形製品１４における製品下部１６が露出している。   FIG. 5 shows a state in which the slide core A1 and the slide core B2 are opened by sliding in the horizontal direction. At this time, the cold slug reservoir 6 slides without interfering with or catching on the slide core A1. The core A1 and the slide core B2 can be opened and closed, and the molded resin part in the sprue 11, the product upper part 15 of the molded product 14, the molded resin part in the pool part 6 and the relief part 7, and the product lower part 16 in the molded product 14 are exposed. is doing.

図６はスライドコアが開いた後、下成形型１７を固定し、エジェクタピン１８を上昇させて成形製品１４を樹脂成形金型より離型させている状態を示しており、製品下部１６を含む成形製品１４および付随するスプル１１の成形樹脂部、ランナー８やゲート９における成形樹脂部などが露出しており、一連の樹脂成形加工が終了した状態でエジェクタピン１８を降下させるとともに、付随部分の付いたまま成形製品１４を次の工程に移動させる。   FIG. 6 shows a state in which after the slide core is opened, the lower mold 17 is fixed, the ejector pin 18 is raised, and the molded product 14 is released from the resin mold, and the lower part 16 is included. The molded resin portion of the molded product 14 and the accompanying sprue 11, the molded resin portion of the runner 8 and the gate 9, etc. are exposed, and the ejector pin 18 is lowered in a state where a series of resin molding processes have been completed. The molded product 14 is moved to the next process while being attached.

なお、前記とは逆にエジェクタピン１８を固定し、下成形型１７を降下させて成形製品１４を樹脂成形金型より離型させてもよい。   In contrast to the above, the ejector pin 18 may be fixed and the lower mold 17 may be lowered to release the molded product 14 from the resin mold.

図７はコールドスラッグの溜り部６の要部形状を拡大して示したものであり、コールドスラッグの溜り部６の形状は、スプル１１が上型１２の上昇時に追随して取られることにより、成形製品１４に損傷などが発生しないように、下先端部をアンダーカット形状にすることが必要である。   FIG. 7 is an enlarged view of the main part shape of the cold slug reservoir 6, and the shape of the cold slug reservoir 6 is obtained by following the sprue 11 when the upper mold 12 is raised. In order to prevent the molded product 14 from being damaged or the like, it is necessary to make the lower tip part an undercut shape.

すなわち、図７に示すように、ア、イ、ウの３面にアンダーカットになる所定角度、例えば３０〜６０度の角度を設けた構造とすることにより、スプル１１が上型１２の移動による追従の発生、すなわち成形製品１４本体との強制的なスプル１１の分離による成形製品１４の損傷などを防止することができる。   That is, as shown in FIG. 7, the sprue 11 is caused by the movement of the upper mold 12 by providing a structure in which a predetermined angle, such as an angle of 30 to 60 degrees, is formed on the three surfaces A, B and C. Generation of follow-up, that is, damage to the molded product 14 due to forced separation of the sprue 11 from the molded product 14 main body can be prevented.

また本形状のアンダーカットは、スライドコアＡ１およびスライドコアＢ２の開閉方向、すなわち摺動移動における支障となる部分（面）にはアンダーカットを設けておらず、スライドコアの開閉は無理なく円滑に作動させることができる。   The undercut of this shape is not provided with an undercut in the opening / closing direction of the slide core A1 and the slide core B2, that is, the part (surface) that obstructs the sliding movement, and the opening and closing of the slide core is smooth without difficulty. Can be operated.

本発明にかかるスライドコア付き樹脂成形金型は、スライドコアにスプルブッシュを設けても、スライドコアが摺動移動した場合にランナーが引きちぎられず、またコールドスラッグが成形製品部分に流入することがなく、高精度で安定した成形ができるという効果を有し、各種の成形部材や製品などを樹脂成形する樹脂成形金型などの用途として有用である。   The resin molding die with a slide core according to the present invention is such that even if a sprue bush is provided on the slide core, the runner is not torn off when the slide core slides, and the cold slug does not flow into the molded product part. It has the effect of being able to perform highly accurate and stable molding, and is useful as a resin molding die for resin molding various molded members and products.

本発明の実施の形態における樹脂成形金型の構造を示す要部断面図Sectional drawing which shows the principal part which shows the structure of the resin molding die in embodiment of this invention 同樹脂成形金型の構造を示す要部平面図Plan view of the main part showing the structure of the resin mold 同型閉じ状態の動作工程を説明する要部構成断面図Cross-sectional view of the main part explaining the operation process in the same type closed state 同型開き状態の動作工程を説明する要部構成断面図Cross-sectional view of the main part explaining the operation process in the same mold open state 同スライドコア開閉状態の動作工程を説明する要部構成断面図Cross-sectional view of the main part explaining the operation process in the open / close state of the slide core 同成形品突き出し状態の動作工程を説明する要部構成断面図Cross-sectional view of the main part configuration for explaining the operation process of the molded product protruding state 同コールドスラッグの溜り部のアンダーカット形状を示す要部平面および部分断面図Main part plane and partial sectional view showing the undercut shape of the reservoir of the cold slug

符号の説明Explanation of symbols

１ スライドコアＡ
２ スライドコアＢ
３ パーティング面
４ キャビティ部
５ インローブロック
６ 溜り部
７ 逃し部
８ ランナー
９ ゲート
１０ 嵌り溝
１１ スプル
１２ 上型
１３ 下型
１４ 成形製品
１５ 製品上部
１６ 製品下部
１７ 下成形型
１８ エジェクタピン 1 Slide core A
2 Slide core B
DESCRIPTION OF SYMBOLS 3 Parting surface 4 Cavity part 5 Inner block 6 Reservoir part 7 Relief part 8 Runner 9 Gate 10 Fitting groove 11 Spru 12 Upper mold 13 Lower mold 14 Molded product 15 Product upper part 16 Product lower part 17 Lower mold 18 Ejector pin

Claims (3)

パーティング面同士を対向させ、上下開閉自在に上型と下型で組合せ構成される樹脂成形金型において、前記上型と前記下型の間に配設され、パーティング面に対して平行に摺動移動し、所定形状の成形製品を形成するための空洞部分を設けたキャビティ部を有し、いずれか一方の上面に嵌り溝とコールドスラッグの溜り部を設けた対のスライドコアと、前記上型の一端に取付けられ、その先端が前記スライドコア上面の嵌り溝に嵌り込み、コールドスラッグにおける成形用樹脂の流動を阻止するインローブロックを設けてなるスライドコア付き樹脂成形金型。 In a resin molding die configured by combining an upper die and a lower die so that the parting surfaces are opposed to each other and can be opened and closed up and down, it is disposed between the upper die and the lower die, and is parallel to the parting surface A pair of slide cores each having a cavity portion provided with a cavity portion for sliding movement and forming a molded product of a predetermined shape, and a fitting groove and a cold slug reservoir portion provided on any one of the upper surfaces; A resin molding die with a slide core, which is attached to one end of an upper die, and has a leading end fitted into a fitting groove on the upper surface of the slide core, and provided with an inlay block for preventing the molding resin from flowing in the cold slug. 成形製品の離型の際、一端にて前記成形製品を移動あるいは維持させる固定および上下移動自在なエジェクタピンを設けてなる請求項１に記載のスライドコア付き樹脂成形金型。 The resin molding die with a slide core according to claim 1, further comprising an ejector pin that is fixed and movable up and down to move or maintain the molded product at one end when releasing the molded product. コールドスラッグの溜り部におけるスライドコアの開閉方向に支障ない部分に、成形樹脂が維持される角度のアンダーカットを設けてなる請求項１あるいは２に記載のスライドコア付き樹脂成形金型。 The resin molding die with a slide core according to claim 1 or 2, wherein an undercut having an angle at which the molding resin is maintained is provided in a portion of the cold slug reservoir where the sliding core does not hinder the opening and closing direction.
JP2005224872A 2005-08-03 2005-08-03 Resin mold with slide core Expired - Fee Related JP5217080B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100849953B1 (en) 2007-06-29 2008-08-01 은성기연 주식회사 Plastic mold slide core with inrow for plastic mold

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59107223U (en) * 1983-01-10 1984-07-19 トーワ株式会社 Mold equipment for resin molding of circular resin molded products
JPH02169223A (en) * 1988-12-22 1990-06-29 Olympus Optical Co Ltd Injection molding die
JPH0295614U (en) * 1989-01-11 1990-07-30
JPH0497810A (en) * 1990-08-17 1992-03-30 Sanritsu Kagaku Kk Plastic molded product
JPH11227008A (en) * 1998-02-13 1999-08-24 Murata Mfg Co Ltd Injection compression molding apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59107223U (en) * 1983-01-10 1984-07-19 トーワ株式会社 Mold equipment for resin molding of circular resin molded products
JPH02169223A (en) * 1988-12-22 1990-06-29 Olympus Optical Co Ltd Injection molding die
JPH0295614U (en) * 1989-01-11 1990-07-30
JPH0497810A (en) * 1990-08-17 1992-03-30 Sanritsu Kagaku Kk Plastic molded product
JPH11227008A (en) * 1998-02-13 1999-08-24 Murata Mfg Co Ltd Injection compression molding apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100849953B1 (en) 2007-06-29 2008-08-01 은성기연 주식회사 Plastic mold slide core with inrow for plastic mold

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