JPH05277696A - Mold clamping cylinder and mold clamping device of molding machine - Google Patents
Mold clamping cylinder and mold clamping device of molding machineInfo
- Publication number
- JPH05277696A JPH05277696A JP7135092A JP7135092A JPH05277696A JP H05277696 A JPH05277696 A JP H05277696A JP 7135092 A JP7135092 A JP 7135092A JP 7135092 A JP7135092 A JP 7135092A JP H05277696 A JPH05277696 A JP H05277696A
- Authority
- JP
- Japan
- Prior art keywords
- mold clamping
- cylinder
- mold
- clamping cylinder
- molding machine
- 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.)
- Withdrawn
Links
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、高圧鋳造機、ダイカス
ト機、射出成形機などの成形機に用いられる型締用シリ
ンダおよび型締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 mold clamping cylinder and a mold clamping device used in a molding machine such as a high pressure casting machine, a die casting machine and an injection molding machine.
【０００２】[0002]
【従来の技術】図４は、縦型ダイカスト機の型締装置の
概要図である。この図示の型締装置は、下金型６とボル
スタ５が取付けられたベッド２、上金型15が取付けられ
たスライド14、型締用シリンダ18が取付けられたトップ
プラテン19、ベッド２とトッププラテン19を締結し且つ
型締力を受けるタイロッド20、およびスライド14の昇降
用シリンダ21を含んで構成されている。なお、図中、７
は射出装置、22は満油弁、23は油タンクをそれぞれ示
す。2. Description of the Related Art FIG. 4 is a schematic view of a mold clamping device of a vertical die casting machine. The mold clamping device shown in the figure includes a bed 2 on which a lower mold 6 and a bolster 5 are mounted, a slide 14 on which an upper mold 15 is mounted, a top platen 19 on which a mold clamping cylinder 18 is mounted, a bed 2 and a top. It includes a tie rod 20 that fastens the platen 19 and receives a mold clamping force, and a lifting cylinder 21 for the slide 14. In the figure, 7
Is an injection device, 22 is a full oil valve, and 23 is an oil tank.
【０００３】上記型締装置による型締要領は次の如く行
われる。先ず、油タンク23の満油弁22を開き、昇降用シ
リンダ21を作動してスライド14と共に上金型15を下降し
ながら、型締用シリンダ18内に油タンク23内の油を流入
する。次いで、上金型15が下金型６に密着（図４に想像
線で示す）したら、満油弁22を閉じるとともに別設の給
油口より圧油をさらに型締用シリンダ18内に給油して加
圧し、上下金型15，６の型締を行う。The mold clamping procedure by the mold clamping device is performed as follows. First, the full oil valve 22 of the oil tank 23 is opened, the lifting cylinder 21 is operated to lower the upper mold 15 together with the slide 14, and the oil in the oil tank 23 is flowed into the mold clamping cylinder 18. Next, when the upper mold 15 comes into close contact with the lower mold 6 (shown by an imaginary line in FIG. 4), the full oil valve 22 is closed and pressure oil is further supplied into the mold clamping cylinder 18 from the oil supply port provided separately. And pressurize to clamp the upper and lower molds 15 and 6.
【０００４】この後、射出装置７を稼働して上下金型1
5，６により形成されるキャビティ内に溶湯を注入す
る。キャビティ内の溶湯が凝固したら、型締用シリンダ
18内の圧油を逃がすとともに、昇降用シリンダ21を作動
してスライド14と共に上金型15を上昇させ、鋳造品をキ
ャビティ内より取り出す。Thereafter, the injection device 7 is operated to operate the upper and lower molds 1.
Molten metal is injected into the cavity formed by 5 and 6. Once the molten metal in the cavity has solidified, the mold clamping cylinder
The pressure oil in 18 is released, and the lifting cylinder 21 is operated to raise the upper mold 15 together with the slide 14 to take out the cast product from the cavity.
【０００５】[0005]
【発明が解決しようとする課題】上記の型締装置では、
型閉じおよび型開きの際のスライド14の全移動量に型締
用シリンダ18が連動するため、ストロークＳの長い長大
な型締用シリンダ18が使用され、大量の油を出し入れし
なければならない。またこの大量の油を出し入れするた
め、型締用シリンダ18の上部には満油弁22および油タン
ク23を設ける必要がある。SUMMARY OF THE INVENTION In the above mold clamping device,
Since the mold clamping cylinder 18 is interlocked with the total movement amount of the slide 14 at the time of mold closing and mold opening, a long mold clamping cylinder 18 having a long stroke S is used, and a large amount of oil must be taken in and out. Further, in order to take in and out this large amount of oil, it is necessary to provide a full oil valve 22 and an oil tank 23 on the upper part of the mold clamping cylinder 18.
【０００６】さらに、型締用シリンダ18は、型締め時に
はシリンダ全長に渡り最大圧力が作用するので、シリン
ダ全長を厚肉・強固に形成する必要があり、これだけで
も重量物である上、さらに上記大量の油およびその出し
入れのための油タンク23などの設備と相まって重量の増
大と共にコストアップを余儀無くされている。また大量
の油が入っている状態で加圧するので、油の圧縮性から
昇圧に時間がかかると共に、型締め後の圧抜き時にはシ
ョックが発生する。Further, since the maximum pressure acts on the mold clamping cylinder 18 over the entire cylinder length during mold clamping, it is necessary to form the cylinder total length to be thick and strong, and this alone is a heavy load. Together with equipment such as a large amount of oil and an oil tank 23 for putting in and taking out oil, the weight is increased and the cost is inevitably increased. Further, since a large amount of oil is applied to pressurize, it takes time to pressurize due to the compressibility of the oil, and a shock occurs when releasing the pressure after mold clamping.
【０００７】本発明は、上記問題点に鑑みてなされたも
のであって、その目的は、型締力の大きさを殆ど変える
ことなく使用油量を減らすとともに、軽量で比較的コン
パクトな成形機の型締用シリンダと、この型締用シリン
ダを適用した成形機の型締装置を提供することである。The present invention has been made in view of the above problems, and an object thereof is to reduce the amount of oil used without changing the magnitude of the mold clamping force, and to make a molding machine that is lightweight and relatively compact. And a mold clamping device for a molding machine to which the mold clamping cylinder is applied.
【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、本発明の成形機の型締用シリンダは、型開閉シリ
ンダのロッドを型締シリンダのシリンダ背面より貫通さ
せるとともに、前記ロッドの先端を型締シリンダのラム
後端に固設してなるものである。In order to achieve the above object, a mold clamping cylinder of a molding machine according to the present invention is configured such that a rod of a mold opening / closing cylinder is penetrated from a cylinder rear surface of the mold clamping cylinder, and The tip is fixed to the rear end of the ram of the mold clamping cylinder.
【０００９】また、本発明の成形機の型締装置は、ベッ
ドを架台に固設する一方、上記型締用シリンダを、型開
閉シリンダを架台の上部に固設することにより垂設する
とともに、型締シリンダのラムの先端にスライドを固設
し、さらに、前記ベッドを下部から、および前記スライ
ドを型締シリンダの背面からそれぞれ支持しうる中空部
を有する左右一対の鋼板フレームを左右方向から進退可
能に架台に設けてなるものである。Further, in the mold clamping device of the molding machine of the present invention, while the bed is fixed to the mount, the mold clamping cylinder is vertically installed by fixing the mold opening / closing cylinder to the upper part of the mount. A slide is fixed to the tip of the ram of the mold clamping cylinder, and further, a pair of left and right steel plate frames having hollow portions capable of supporting the bed from the bottom and the slide from the rear surface of the mold clamping cylinder are advanced and retracted in the left-right direction. It is provided on the pedestal as much as possible.
【００１０】そして、上記型締装置における左右一対の
鋼板フレームとしては、架台にヒンジ金具によって保持
され左右方向に開閉して進退する構成のものが好適に使
用しうる。As the pair of left and right steel plate frames in the mold clamping device, those having a structure of being held by hinge fittings on a gantry and being opened and closed in the left and right directions can be suitably used.
【００１１】[0011]
【実施例】以下、本発明の実施例を図面に基づいて説明
する。図１は本発明に係わる成形機の型締用シリンダを
適用した型締装置の概要図であって、（ａ）は要部を断
面で示す側面図、（ｂ）は（ａ）のＸ−Ｘ線における要
部断面図である。なお図中に示す符号は、従来装置と同
じ部位は同符号をもって示す。Embodiments of the present invention will be described below with reference to the drawings. 1A and 1B are schematic views of a mold clamping device to which a mold clamping cylinder of a molding machine according to the present invention is applied. FIG. 1A is a side view showing a cross section of a main part, and FIG. It is an important section sectional view in X-ray. In the drawings, the same parts as those of the conventional device are indicated by the same reference numerals.
【００１２】図において、１は架台、２はベッド、３は
型締用シリンダ、４は鋼板フレームをそれぞれ示す。そ
して、架台１は、前面が開口された箱型に形成されてい
る。In the drawings, 1 is a pedestal, 2 is a bed, 3 is a mold clamping cylinder, and 4 is a steel plate frame. Further, the gantry 1 is formed in a box shape having an open front surface.
【００１３】ベッド２は、架台１の後壁下部に水平に支
持して固設され、その上面にはボルスタ５を介して下金
型６が設けられている。また下面には射出装置７が固設
されている。The bed 2 is horizontally supported and fixed to the lower portion of the rear wall of the gantry 1, and a lower mold 6 is provided on the upper surface of the bed 1 via a bolster 5. An injection device 7 is fixedly installed on the lower surface.
【００１４】型締用シリンダ３は、小径長ストロークで
且つ型を開閉するための型開閉シリンダ８と大径短スト
ロークで且つ主として型締めのために使用される型締シ
リンダ９とを、型開閉シリンダ８のロッド10を型締シリ
ンダ９のシリンダ11の背面より貫通させるとともに、ロ
ッド10の先端を型締シリンダ９のラム12の後端に固設し
て構成したものである。そして、本実施例では、型開閉
シリンダ８のロッド10を架台１の天井壁に貫通させると
ともに、型開閉シリンダ８のシリンダ13のフランジ部を
架台１の天井壁の上面に固設し、これにより、型締シリ
ンダ９を垂設した構成で、前記型締用シリンダ３を架台
１に設けている。さらに型締シリンダ９のラム12の先端
にはスライド14を介して上金型15が設けられている。The mold clamping cylinder 3 includes a mold opening / closing cylinder 8 for opening / closing a mold with a small diameter and long stroke, and a mold clamping cylinder 9 for large diameter / short stroke and mainly used for mold clamping. The rod 10 of the cylinder 8 is made to penetrate from the rear surface of the cylinder 11 of the mold clamping cylinder 9, and the tip of the rod 10 is fixed to the rear end of the ram 12 of the mold clamping cylinder 9. In this embodiment, the rod 10 of the mold opening / closing cylinder 8 is passed through the ceiling wall of the gantry 1, and the flange portion of the cylinder 13 of the mold opening / closing cylinder 8 is fixed to the upper surface of the ceiling wall of the gantry 1. The mold clamping cylinder 3 is provided vertically, and the mold clamping cylinder 3 is provided on the frame 1. Further, an upper die 15 is provided on the tip of the ram 12 of the die clamping cylinder 9 via a slide 14.
【００１５】鋼板フレーム４は、中央部を長方形状に大
きくくり抜かれた中空部16を有する厚鋼板で構成される
とともに、下金型６と上金型15が型閉じ状態において、
ベッド２の下部から型締シリンダ９のシリンダ11背面ま
での部位が前記中空部16内に位置するように、ヒンジ金
具17を介して架台１の後壁に左右方向に開閉可能に保持
されている。The steel plate frame 4 is composed of a thick steel plate having a hollow portion 16 whose central portion is largely hollowed out, and when the lower mold 6 and the upper mold 15 are closed,
A portion from the lower part of the bed 2 to the rear surface of the cylinder 11 of the mold clamping cylinder 9 is held in the hollow wall 16 so as to be openable and closable in the left-right direction on the rear wall of the gantry 1 via a hinge metal fitting 17. ..
【００１６】上記構成からなる型締装置による型締要領
は次の如く行われる。先ず、型締用シリンダ３の型開閉
シリンダ８を作動してスライド14と共に上金型15を下金
型６に密着するまで下降させる。密着後、左右に開いて
いた鋼板フレーム4a, 4bをヒンジ金具17の軸を中心とし
て両鋼板フレーム4a, 4bが平行になるまで旋回して閉じ
る。これにより、ベッド２の下部と型締シリンダ９のシ
リンダ11背面とが鋼板フレーム4a, 4bの中空部16内に位
置して支持される（図１ａ参照）。A mold clamping procedure by the mold clamping device having the above-mentioned structure is performed as follows. First, the mold opening / closing cylinder 8 of the mold clamping cylinder 3 is operated to lower the upper mold 15 together with the slide 14 until it comes into close contact with the lower mold 6. After the close contact, the left and right steel plate frames 4a and 4b are pivoted about the axis of the hinge fitting 17 until both the steel plate frames 4a and 4b are parallel to each other and closed. As a result, the lower part of the bed 2 and the rear surface of the cylinder 11 of the mold clamping cylinder 9 are positioned and supported inside the hollow portions 16 of the steel plate frames 4a, 4b (see FIG. 1a).
【００１７】次いで、型締シリンダ９内に給油して上金
型15を下金型６に加圧し、上下金型15，６の型締を行う
とともに、射出装置７を稼働して上下金型15，６により
形成されるキャビティ内に溶湯を注入する。Then, the mold clamping cylinder 9 is filled with oil to press the upper mold 15 against the lower mold 6 to clamp the upper and lower molds 15 and 6, and the injection device 7 is operated to operate the upper and lower molds. Molten metal is injected into the cavity formed by 15.
【００１８】キャビティ内の溶湯が凝固したら、型締シ
リンダ９内の圧油を逃がすとともに、平行状態に閉じて
いる鋼板フレーム4a, 4bをヒンジ金具17の軸を中心とし
て旋回して開く。この後、型開閉シリンダ８を作動して
スライド14と共に上金型15を上昇させ、鋳造品をキャビ
ティ内より取り出す（図２参照）。When the molten metal in the cavity solidifies, the pressure oil in the mold clamping cylinder 9 is released, and the steel plate frames 4a, 4b closed in parallel are swung open around the axis of the hinge fitting 17. After that, the mold opening / closing cylinder 8 is operated to raise the upper mold 15 together with the slide 14, and the cast product is taken out from the cavity (see FIG. 2).
【００１９】このように、本発明の成形機の型締用シリ
ンダ３は、小径長ストロークの型開閉シリンダ８を型締
シリンダ９に一体的に取付け、型締シリンダ９を主とし
て上下金型15，６の型締めのみに使用できるので、その
ストロークＳは極めて短いものでよく、型締用シリンダ
３全体としても軽量で比較的コンパクトなものとなる。
また作動油量も極めて少なくて済む。As described above, in the mold clamping cylinder 3 of the molding machine of the present invention, the mold opening / closing cylinder 8 having a small diameter and long stroke is integrally attached to the mold clamping cylinder 9, and the mold clamping cylinder 9 is mainly composed of the upper and lower molds 15, Since it can be used only for the mold clamping of No. 6, its stroke S may be extremely short, and the mold clamping cylinder 3 as a whole is lightweight and relatively compact.
Also, the amount of hydraulic oil is extremely small.
【００２０】また、上記のような型締用シリンダ３を用
いた成形機の型締装置では、従来方式のような型締用シ
リンダ上方の油タンクなどの設備が不要となり、構造が
簡略化でき。また型閉じおよび型開きは、型開閉シリン
ダ８によって型締シリンダ９のラム12を協動させること
なく行えるので、時間が短縮でき成形機の稼働率が向上
できる。また、成形品が比較的小さなものであったり、
または図３に示すようにキャビティ内の成形品の取り出
しを型締装置外に金型のみ取り出して行う場合には、鋼
板フレーム4a, 4bを閉じたまま型締シリンダ９のみで型
閉じ、型締めおよび型開きを行うこともできる。またさ
らに、図３に示す場合の方法では、複数の金型を順次入
替えることにより効率的な使い方もできる。Further, in the mold clamping device of the molding machine using the mold clamping cylinder 3 as described above, the equipment such as the oil tank above the mold clamping cylinder unlike the conventional system is not required, and the structure can be simplified. .. Further, the mold closing and the mold opening can be performed without the ram 12 of the mold clamping cylinder 9 cooperating with the mold opening / closing cylinder 8, so that the time can be shortened and the operating rate of the molding machine can be improved. Also, if the molded product is relatively small,
Alternatively, as shown in FIG. 3, when the molded product is taken out from the cavity by taking only the mold out of the mold clamping device, the mold is closed only by the mold clamping cylinder 9 while the steel plate frames 4a and 4b are closed, and the mold is clamped. And mold opening can also be performed. Furthermore, the method shown in FIG. 3 can be efficiently used by sequentially replacing a plurality of molds.
【００２１】なお、本発明は、上記実施例にのみ限定さ
れるものではなく、例えば、鋼板フレーム４の支持機構
として、ヒンジ金具17に代えて架台１の床面上に摺動レ
ールを設けその上を左右方向に進退させてもよい。The present invention is not limited to the above-mentioned embodiment, and for example, as a support mechanism for the steel plate frame 4, instead of the hinge fitting 17, a slide rail is provided on the floor surface of the mount 1. The top may be moved back and forth in the left-right direction.
【００２２】[0022]
【発明の効果】以上説明したように、本発明に係わる成
形機の型締用シリンダは、型開閉シリンダを型締シリン
ダに一体的に取付け、金型開閉動作を上部に取付けた型
開閉シリンダにて行うので、型締シリンダは型閉じ後の
型締めのみに使用するのでストロークを短くできる。ま
た、型開閉シリンダが型締シリンダ上部に取付けられて
いるので、従来のサイドに配置する構造と比較してスペ
ースの削減ができ、また型締用シリンダ全体としても軽
量で比較的コンパクトなものとなる。また、型締シリン
ダは型閉じ後の型締めのみの作動ができればよいので作
動油量も極めて少なくて済み、これにより昇圧時間が短
縮でき、また型締め後の圧抜き衝撃が殆ど無くなる。As described above, the mold clamping cylinder of the molding machine according to the present invention is a mold opening / closing cylinder in which the mold opening / closing cylinder is integrally attached to the mold clamping cylinder, and the mold opening / closing operation is attached to the upper part. Since the mold clamping cylinder is used only for mold clamping after the mold is closed, the stroke can be shortened. Also, since the mold opening / closing cylinder is mounted on the upper part of the mold clamping cylinder, the space can be reduced compared to the conventional structure arranged on the side, and the mold clamping cylinder as a whole is lightweight and relatively compact. Become. Further, since the mold clamping cylinder only needs to be able to perform the mold clamping operation after the mold is closed, the amount of hydraulic oil is extremely small, which can shorten the pressurizing time and almost eliminate the pressure release impact after the mold clamping.
【００２３】また、上記の型締用シリンダを用いた成形
機の型締装置では、型締シリンダが短寸になるため、型
締用シリンダを作動させる油量が極めて少なくて済むと
ともに、型開閉シリンダを型締シリンダの上部に取付け
ているので、従来のサイド配置と異なりスペースが削減
でき、装置全体が比較的簡略に構成でき、また装置全体
の重量が軽くでき、さらに装置の製造コストが安価にで
きるなどの多くの工業的効果を奏する。Further, in the mold clamping device of the molding machine using the mold clamping cylinder described above, since the mold clamping cylinder is short, the amount of oil for operating the mold clamping cylinder is extremely small, and the mold opening / closing is performed. Since the cylinder is attached to the upper part of the mold clamping cylinder, space can be reduced unlike the conventional side arrangement, the entire device can be configured relatively simply, the weight of the entire device can be reduced, and the manufacturing cost of the device is low. It has many industrial effects such as being able to.
【図１】本発明に係わる成形機の型締用シリンダを適用
した型締装置の概要図であって、（ａ）は要部を断面で
示す側面図、（ｂ）は（ａ）のＸ−Ｘ線における要部断
面図である。FIG. 1 is a schematic view of a mold clamping device to which a mold clamping cylinder of a molding machine according to the present invention is applied, in which (a) is a side view showing a cross section of a main part, and (b) is an X of (a). It is a principal part sectional view in the X line.
【図２】図１の上下金型を開いた状態の概要図である。FIG. 2 is a schematic diagram of a state in which the upper and lower molds of FIG. 1 are opened.
【図３】本発明に係わる成形機の型締装置による別の実
施態様を示す概要図であって、（ａ）はスライドが上昇
した状態、（ｂ）は上下金型を装置外に取り出した状
態、（ｃ）は上下金型を型開きした状態を示す概念図で
ある。3A and 3B are schematic diagrams showing another embodiment of the mold clamping device of the molding machine according to the present invention, in which FIG. 3A is a state in which the slide is raised, and FIG. The state, (c) is a conceptual diagram showing a state in which the upper and lower molds are opened.
【図４】従来の成形機の型締装置の概要図である。FIG. 4 is a schematic view of a mold clamping device of a conventional molding machine.
１：架台 ２：ベッド
３：型締用シリンダ ４，4a, 4b：鋼板フレーム
５：ボルスタ ６：下金型 ７：射出装置
８：型開閉シリンダ ９：型締シリンダ 10：ロッド 1
1，13：シリンダ 12：ラム 14：スライド 1
5：上金型 16：中空部 17：ヒンジ金具1: Stand 2: Bed
3: Clamping cylinder 4,4a, 4b: Steel plate frame
5: Bolster 6: Lower mold 7: Injection device
8: Mold opening / closing cylinder 9: Mold clamping cylinder 10: Rod 1
1, 13: Cylinder 12: Ram 14: Slide 1
5: Upper mold 16: Hollow part 17: Hinge fitting
フロントページの続き (72)発明者 青井 実 兵庫県神戸市中央区脇浜町１丁目３番18号 株式会社神戸製鋼所神戸本社内Front Page Continuation (72) Inventor Minoru Aoi 1-3-18 Wakihama-cho, Chuo-ku, Kobe-shi, Hyogo Kobe Steel Works, Kobe Head Office
Claims (3)
のシリンダ背面より貫通させるとともに、前記ロッドの
先端を型締シリンダのラム後端に固設してなることを特
徴とする成形機の型締用シリンダ。1. A mold clamping system for a molding machine, wherein a rod of a mold opening / closing cylinder is penetrated from a cylinder rear surface of the mold clamping cylinder, and a tip of the rod is fixed to a ram rear end of the mold clamping cylinder. Cylinder.
に記載の型締用シリンダを、型開閉シリンダを架台の上
部に固設することにより垂設するとともに、型締シリン
ダのラムの先端にスライドを固設し、さらに、前記ベッ
ドを下部から、および前記スライドを型締シリンダの背
面からそれぞれ支持しうる中空部を有する左右一対の鋼
板フレームを左右方向から進退可能に架台に設けてなる
ことを特徴とする成形機の型締装置。2. The method according to claim 1, wherein the bed is fixed to the gantry.
The mold clamping cylinder described in (1) is vertically installed by fixing the mold opening / closing cylinder to the upper part of the gantry, and a slide is fixed to the tip of the ram of the mold clamping cylinder. A mold clamping device for a molding machine, wherein a pair of left and right steel plate frames each having a hollow portion capable of supporting the slide from the back surface of the mold clamping cylinder are provided on a pedestal so as to be movable back and forth in the left and right direction.
ジ金具によって保持され左右方向に開閉して進退する請
求項２記載の成形機の型締装置。3. The mold clamping device for a molding machine according to claim 2, wherein the pair of left and right steel plate frames are held by hinge fittings on the frame and are opened and closed in the left and right directions to advance and retreat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7135092A JPH05277696A (en) | 1992-03-27 | 1992-03-27 | Mold clamping cylinder and mold clamping device of molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7135092A JPH05277696A (en) | 1992-03-27 | 1992-03-27 | Mold clamping cylinder and mold clamping device of molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05277696A true JPH05277696A (en) | 1993-10-26 |
Family
ID=13457965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7135092A Withdrawn JPH05277696A (en) | 1992-03-27 | 1992-03-27 | Mold clamping cylinder and mold clamping device of molding machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05277696A (en) |
-
1992
- 1992-03-27 JP JP7135092A patent/JPH05277696A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19990608 |