WO1989009125A1 - Molding method and molding apparatus by use of injection-compression molding machine - Google Patents
Molding method and molding apparatus by use of injection-compression molding machine Download PDFInfo
- Publication number
- WO1989009125A1 WO1989009125A1 PCT/JP1989/000316 JP8900316W WO8909125A1 WO 1989009125 A1 WO1989009125 A1 WO 1989009125A1 JP 8900316 W JP8900316 W JP 8900316W WO 8909125 A1 WO8909125 A1 WO 8909125A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- injection
- mold
- valve
- molten resin
- molding
- Prior art date
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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
-
- 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
- B29C45/20—Injection nozzles
- B29C45/23—Feed stopping equipment
-
- 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
-
- 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
- B29C45/561—Injection-compression moulding
-
- 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
- B29C45/70—Means for plasticising or homogenising the moulding material or forcing it into the mould, combined with mould opening, closing or clamping devices
-
- 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
-
- 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
- B29C45/561—Injection-compression moulding
- B29C2045/5615—Compression stroke, e.g. length thereof
- B29C2045/562—Velocity profiles of the compression stroke
-
- 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
- B29C45/561—Injection-compression moulding
- B29C2045/5625—Closing of the feed opening before or during compression
Definitions
- the present invention relates to a plastic resin injection compression molding machine, and in particular, to a flow path of molten resin provided between an injection unit of the injection compression molding machine and a mold.
- the present invention relates to a molding apparatus having a valve which is deployed to block and change a cross-sectional area of the flow channel, and a molding method therefor.
- the resin material to be molded is placed in a heated mold, the molding machine is operated, pressurized at a low pressure, and the molten resin material is filled in the mold. After that, slightly open the upper and lower molds, remove the gas in the material, pressurize again with high pressure, and apply pressure until the material is completely cured.
- injection molding is performed by removing the molded product by opening the mold and continuing the heating.
- injection compression molding when the molten resin material is injected into the mold, the molten resin is injected. The flow rate and the injection flow rate are controlled by the moving speed of the screw and the pressing force of the screw.
- the present invention has been made in view of the above circumstances, and has as its object to provide an injection compression molding machine having a valve between an injection unit and a mold.
- pre-pressurizing is performed in the injection unit before injecting the molten resin into the mold, and then during or after injection.
- a fusion device provided between an injection unit and a mold, which provides an apparatus.
- Injection compression molding with a valve that is deployed in the resin flow path and that closes the flow path and changes the cross-sectional area You to Pre-pressurizing the molten resin in the injection unit while the valve is closed in order to make the density of the molten resin uniform, and thereafter, And injecting a predetermined amount of molten resin into the mold, and after the ejection is completed, closing the valve again, and placing it in the mold. And a stepping force for applying pressure to the molten resin and a molding method in an injection compression molding machine.
- the injection of the molten resin in the mold according to the first aspect is performed during the injection of the molten resin.
- a molding method in a compression molding machine is provided.
- the obstruction and the cross-sectional area of the flow path are provided in the flow path of the molten resin provided between the injection unit and the mold.
- the present invention provides a molding apparatus for an injection compression molding machine, characterized by including a valve means for performing the above-mentioned change.
- At least the valve means according to the third aspect includes at least one orifice valve which is rotated by a valve operating device.
- a valve operating device In order to control the injection flow rate and the injection flow rate of the molten resin, the cross section of the flow path of the molten resin is changed by the rotating operation of the rotary valve.
- a molding device for an injection compression molding machine is provided.
- the pressure in the injection cylinder is reduced.
- Detecting means means for detecting the position of a screw provided in the injection cylinder, means for detecting the opening / closing speed of the mold, and input for setting the opening / closing angle of the valve.
- Means an input means for setting the closing speed of the mold, an input means for setting the position of the screw, and a valve opening / closing signal based on the pressure signal of the injection cylinder.
- a mold opening / closing speed signal is generated based on the generating means, the valve opening / closing actuator driven by the valve opening / closing signal, and the position signal of the screw.
- the present invention also provides a molding apparatus for an injection compression molding machine, which further includes means and a press mounted with a mold driven by a mold opening / closing speed signal.
- FIG. 1 is a schematic front view showing the entire configuration of an injection compression molding machine provided with the molding device of the present invention.
- FIG. 2 is a schematic longitudinal sectional view showing a main part of the molding apparatus of the present invention
- FIG. 3 is a block diagram of a control unit of the molding apparatus according to the present invention.
- FIG. 4A, FIG. 4B and FIG. 4C show the molding of the present invention. It is a time chart showing the operation of the first specific example of the method, respectively.
- FIG. 5 is a flowchart showing the operation of the first embodiment of the molding method of the present invention.
- FIGS. 6A, 6B and 6C show the operation of the second embodiment of the molding method of the present invention on the basis of a screw stroke. These are the timing charts shown,
- FIG. 7 is a flowchart showing the operation of the second example of the molding method of the present invention.
- FIG. 8 is a flowchart showing the operation of the third specific example of the molding method of the present invention.
- 9A, 9B and 9C show the operation of the fourth embodiment of the molding method of the present invention on the basis of the screw stroke. This is a time chart shown in FIG.
- FIG. 10 is a flowchart showing the operation of the fourth specific example of the molding method of the present invention.
- FIG. 1 is a schematic front view showing the overall configuration of an injection compression molding machine provided with the molding apparatus of the present invention, wherein reference numeral 1 denotes an injection compression molding machine, 10 denotes an injection unit, and 20 denotes a press.
- a reference numeral 30 indicates a mold. 40 is the valve and the firing unit is 10 It is provided in a flow path 46 of a molten resin (hereinafter simply referred to as a resin) provided between the mold and the mold 30, and is usually arranged side by side on the injection unit 10 side.
- the injection unit 10 is slidably mounted on the blade 2 of the injection compression molding machine 1 by means of a slur 12 fixed to the injection cylinder 11.
- the mold 30 is composed of an upper mold 31 and a lower mold 32, the upper mold 31 is on a slide 21 of the press 20, and the lower mold 32 is a belt 2 2.
- the resin in the mold 30 is pressed by the pressing force of the slide 21.
- a screw 13 is inserted closely into the injection cylinder 11 and is connected to the cylinder 14.
- the cylinder 14 slides in the Z direction together with the cylinder 14 by the hydraulic pressure of the suction and discharge boats 15 and 16 provided on the cylinder 14.
- the sliding of the screw 13 in the injection cylinder 11 is measured by the potentiometer 17 as the screw position.
- the molten resin is sealed in the interior 29 of the injection cylinder 11 and is pressurized by the screw 13.
- the pressure of the pressurized resin is measured by the pressure gauge 18. Detected. Press the screw 13.
- the pressure of the cylinder 14 is detected by the oil pressure gauge 19.
- the valve 40 is attached to the injection unit 10, and the rotary valve 41, reno, 142, rods 43, 44, and linear motor 45 are installed. By controlling the operation of the linear motor 45, the rotation of the rotary valve 41 is further increased. Closure and change of the cross-sectional area of the fat distribution channel 46 will be performed.
- the valve 40 is brought into contact with the mold 30 by the sliding of the projecting unit 10 attached thereto, and the flow path 46 of the valve 40 becomes the flow path 3 of the mold 30. It is communicated to 3.
- the distribution channel 33 of the mold 30 is provided in the lower mold 32 and penetrated by the product component 34.
- One end of the product component 34 is opposed to the lower mold 32 by the upper mold 31 at the other end, and the internal volume is reduced by the transfer of the upper mold 31.
- the opening / closing speed of the dies and the pressure of the resin sealed in the product part 34 are determined by the transfer speed and the pressing force of the upper die 31.
- the transfer speed and pressing force of the upper die 31 are determined by the speed and the speed of the hydraulic cylinder 22 that drives the slide 21 of the press 20 to which the upper die 31 is attached. It is controlled by the pushing force and is determined by the flow rate and hydraulic pressure of the hydraulic circuit (not shown) from the port 23.
- a potentiometer 24 and a speed sensor 25 are provided on the slide 21, and the stroke position and the speed of the slide 21 are provided. Is detected.
- a hydraulic gauge 26 is attached to the hydraulic cylinder 22 to detect the pressing force of the slide 21.
- the controller 50 is composed of a CPU 51, a RAM 52, a ROM 53, and a clock oscillator 54.
- 5 Measure the pressure of the resin in the injection cylinder via 5 Pressure gauge 18 that consists of a pressure gauge 18 etc.
- a screwdriver consisting of a potentiometer 17 to measure the position of screw 13 Press the position detecting means 17a and the screw 13 Press the cylinder 14 to measure the oil pressure of the cylinder 14
- the cylinder pressure detecting means 19a and the speed sensor to measure the opening and closing speed of the mold
- a mold opening / closing speed detecting means 25a consisting of a sensor 25 and a mold position detecting means 24 consisting of a potentiometer measuring the position of the mold 24a.
- mold pressure detection means 26a to detect mold pressurization and valve angle setting means 45b to set the opening / closing angle of valve 40 and mold Set the opening / closing speed and position of 30 Mold opening / closing speed setting means 25b and mold opening / closing position setting means 24b and control the opening and closing of vanolep 40 and mold 30
- a setting means for the image setting means 54b is provided, and a valve such as a linear motor 45 which controls opening and closing of the valve 40 based on a signal detected according to each setting means.
- a signal for controlling the opening / closing drive means 45 c and the mold opening / closing drive means 22 c such as a hydraulic cylinder 22 for controlling the opening / closing of the mold 30 is output.
- Step 61 the operation of the screw 13 is started (step 61).
- Injection Shi Li down da 1 a pressure of the resin in 1 set pressure P 0 to reach his (scan STEP 6 2), a stable and can has passed the set time resin (time t,, scan STEP 6 3)
- Distribution channels for resins 46 Set the cross-sectional area of the mold and determine the flow rate of the resin.
- step 67 counting of the clock oscillator 54 is started, and control is performed so that the mold opening / closing speed becomes a predetermined speed in step 67.
- step 68 a predetermined time has elapsed since the valve opening angle B1 reached the predetermined angle in step 67, ⁇ t3), that is, the predetermined angle. after the amount of resin is injected back into the scan STEP 6 4 and 6 5 to set the closing speed C 2 of the opening-out angles B 2 and the mold for the next Le blanking.
- FIG. The screw 13 starts operating at the position of the stroke S (step 71).
- the cylinder pressure is set to the set pressure Pi so that the pressure of the resin in the injection cylinder 11 reaches the set pressure Pc (Step 72), and the resin is stabilized.
- the stroke S2 is reached (Step 73)
- the cross-sectional area of the resin flow path 45 is set, and the valve opening angle B that determines the resin flow rate is determined.
- the valve opening angle B reaches the command value, (Step 75)
- Step 76 issues a mold opening / closing speed command for pressing the resin injected into the mold 30.
- the mold opening / closing speed is controlled to be a predetermined speed.
- the third specific example compared to the second specific example described above, the second example of the control of the mold is used.
- the mold closing speed was controlled according to the stroke of the screw 13, but in the third specific example, this was pressed against the upper mold 31 of the mold 30. The force is controlled.
- FIG. Step 88 of the third specific example and step 98 of the fourth specific example are the same, but in the fourth concrete example, step 99
- valve 40 is closed.After valve 40 is closed, take into account shrinkage due to resin cooling, etc. Then, the pressing force of the mold is changed stepwise or continuously.
- a bridge using a screw for the injection unit may be used.
- the vanoleb is controlled using a rotary valve and a linear motor, but the valve and the stay such as a needle valve or a slide valve are controlled. It goes without saying that it is acceptable to use any combination of angle control such as a stepper or linear control such as a linear motor.
- the stroke of the screwdriver was used as the control standard, but the time or the pressure of the injection unit may be used.
- the press used a hydraulic press, but may be a mechanical press, or a combination of the first, second, and third specific examples.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP89903801A EP0365684B1 (en) | 1988-03-24 | 1989-03-24 | Molding method and molding apparatus by use of injection-compression molding machine |
KR1019890702177A KR950011890B1 (ko) | 1988-03-24 | 1989-03-24 | 사출압축 성형기의 성형방법 및 성형장치 |
DE68925512T DE68925512T2 (de) | 1988-03-24 | 1989-03-24 | Giessverfahren und giessvorrichtung zur verwendung bei einer einspritz-verdichtungsgiessvorrichtung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63/70078 | 1988-03-24 | ||
JP63070078A JPH0637070B2 (ja) | 1988-03-24 | 1988-03-24 | 射出圧縮成形機の成形装置および成形方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1989009125A1 true WO1989009125A1 (en) | 1989-10-05 |
Family
ID=13421148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1989/000316 WO1989009125A1 (en) | 1988-03-24 | 1989-03-24 | Molding method and molding apparatus by use of injection-compression molding machine |
Country Status (7)
Country | Link |
---|---|
US (1) | US5057255A (ja) |
EP (1) | EP0365684B1 (ja) |
JP (1) | JPH0637070B2 (ja) |
KR (1) | KR950011890B1 (ja) |
AU (1) | AU632473B2 (ja) |
DE (1) | DE68925512T2 (ja) |
WO (1) | WO1989009125A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0397883A1 (en) * | 1988-10-27 | 1990-11-22 | Kabushiki Kaisha Komatsu Seisakusho | Injection compression molding machine and its molding method |
EP0473791A1 (en) * | 1990-03-05 | 1992-03-11 | Komatsu Ltd. | Method of controlling injection of injection molding machine |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2507148B2 (ja) * | 1990-03-05 | 1996-06-12 | 株式会社小松製作所 | 射出成形機の樹脂特性検出方法および射出制御方法 |
JP2918610B2 (ja) * | 1990-03-14 | 1999-07-12 | 株式会社小松製作所 | 射出成形機の充填量検出方法 |
DE4038333A1 (de) * | 1990-12-01 | 1992-06-11 | Battenfeld Kunststoffmasch | Verfahren zum spritzgiessen von formteilen aus spritzgiessfaehigem kunststoff und vorrichtung zur durchfuehrung des verfahrens |
CA2103269C (en) * | 1991-05-31 | 1998-06-16 | Makoto Nogawa | Device for and method of molding for injection molding machine |
US5304058A (en) * | 1991-06-12 | 1994-04-19 | Automotive Plastic Technologies | Injection nozzle |
AT220U1 (de) * | 1991-11-19 | 1995-05-26 | Engel Maschinenbau Ges M B H E | Verfahren und einspritzvorrichtung zur steuerung des einspritzvorganges einer spritzgiessmaschine |
JP2792787B2 (ja) * | 1992-05-08 | 1998-09-03 | 住友重機械プラスチックマシナリー株式会社 | 射出成形機の成形方法 |
JP2918211B2 (ja) * | 1992-11-04 | 1999-07-12 | 河西工業株式会社 | モールドプレス成形方法および成形装置 |
US5385464A (en) * | 1993-05-26 | 1995-01-31 | Anderson; David B. | Apparatus for automatically dispensing food product such as hard ice cream |
JPH06339960A (ja) * | 1993-05-31 | 1994-12-13 | Nippon G Ii Plast Kk | 射出圧縮成形方法 |
JP2971333B2 (ja) * | 1994-08-05 | 1999-11-02 | ファナック株式会社 | 電動式射出成形機 |
US5480606A (en) * | 1994-12-07 | 1996-01-02 | Sunbeam Plastics Corporation | Method and apparatus for reverse gated compression molding of thermoplastic material |
US6001287A (en) * | 1995-10-11 | 1999-12-14 | Sumitomo Chemical Company, Limited | Method of press-molding thermoplastic resin |
JPH09104025A (ja) * | 1995-10-11 | 1997-04-22 | Sumitomo Chem Co Ltd | 熱可塑性樹脂のプレス成形方法 |
JP3910803B2 (ja) * | 2001-04-02 | 2007-04-25 | 東芝機械株式会社 | 射出成形機における金型保護方法 |
GB2489754A (en) * | 2011-04-08 | 2012-10-10 | Rpc Containers Ltd | Injection moulding with delayed mould closure |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS62225318A (ja) * | 1986-03-27 | 1987-10-03 | Komatsu Ltd | 射出成形機 |
Family Cites Families (21)
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DE1529885A1 (de) * | 1964-10-15 | 1970-02-12 | Desma Werke Gmbh | Spritzduese fuer Spritzgiessmaschinen |
US3436793A (en) * | 1966-08-19 | 1969-04-08 | Trueblood Inc | Injection molding machine |
US3787159A (en) * | 1969-08-21 | 1974-01-22 | Eckert & Ziegler Gmbh | Apparatus for injection molding with thermosetting resins |
CA1059714A (en) * | 1974-12-24 | 1979-08-07 | Raymond L. Trueblood | Method of injecting plastic material using a plastic injection machine |
JPS556054A (en) * | 1978-06-30 | 1980-01-17 | Nippon Kokan Kk <Nkk> | Intermediate wall assembly method for low-temperature double-shell tank |
US4421467A (en) * | 1982-03-11 | 1983-12-20 | Hpm Corporation | Injection molding machine diagnostic system |
FR2545033B1 (fr) * | 1983-04-28 | 1985-08-16 | Cibie Projecteurs | Procede et dispositif pour la realisation de pieces en matiere plastique, sur presse a injection |
JPS6021225A (ja) * | 1983-07-15 | 1985-02-02 | Idemitsu Petrochem Co Ltd | 射出圧縮成形方法 |
JPS60110419A (ja) * | 1983-11-22 | 1985-06-15 | Idemitsu Petrochem Co Ltd | 射出圧縮成形方法 |
JPS60139420A (ja) * | 1983-12-28 | 1985-07-24 | Fanuc Ltd | 型開閉速度制御装置 |
JPS6220010A (ja) * | 1985-07-19 | 1987-01-28 | Matsushita Electric Ind Co Ltd | 電気カ−ペツト |
JPS62199418A (ja) * | 1986-02-27 | 1987-09-03 | Toshiba Mach Co Ltd | 射出成形機の制御方法 |
JPS6210815A (ja) * | 1986-03-13 | 1987-01-19 | 東京電力株式会社 | 避雷碍子 |
DE3783115T2 (de) * | 1986-03-27 | 1993-07-08 | Komatsu Mfg Co Ltd | Einspritzgiessmaschine. |
US4828769A (en) * | 1986-05-05 | 1989-05-09 | Galic/Maus Ventures | Method for injection molding articles |
GB2193681B (en) * | 1986-07-30 | 1989-12-13 | Toshiba Machine Co Ltd | A method of controlling mold clamping and compression in an injection molding machine |
CA1277115C (en) * | 1986-11-26 | 1990-12-04 | Cincinnati Milacron Inc. | Hydraulic system for a toggle-type plastic injection molding machine capable of precision coining |
JPS63249613A (ja) * | 1987-04-07 | 1988-10-17 | Komatsu Ltd | 射出成形機における射出工程制御方法 |
JPS63276523A (ja) * | 1987-05-08 | 1988-11-14 | Komatsu Ltd | 射出成形機の制御方法 |
US4855095A (en) * | 1987-12-30 | 1989-08-08 | Toshiba Kikai Kabushiki Kaisha | Method for injection compression molding |
JPH01241420A (ja) * | 1988-03-24 | 1989-09-26 | Komatsu Ltd | 射出圧縮成形機の成形方法およびその成形装置 |
-
1988
- 1988-03-24 JP JP63070078A patent/JPH0637070B2/ja not_active Expired - Lifetime
-
1989
- 1989-03-24 EP EP89903801A patent/EP0365684B1/en not_active Revoked
- 1989-03-24 US US07/445,623 patent/US5057255A/en not_active Expired - Fee Related
- 1989-03-24 DE DE68925512T patent/DE68925512T2/de not_active Revoked
- 1989-03-24 AU AU32976/89A patent/AU632473B2/en not_active Ceased
- 1989-03-24 WO PCT/JP1989/000316 patent/WO1989009125A1/ja not_active Application Discontinuation
- 1989-03-24 KR KR1019890702177A patent/KR950011890B1/ko not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62225318A (ja) * | 1986-03-27 | 1987-10-03 | Komatsu Ltd | 射出成形機 |
Non-Patent Citations (1)
Title |
---|
See also references of EP0365684A4 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0397883A1 (en) * | 1988-10-27 | 1990-11-22 | Kabushiki Kaisha Komatsu Seisakusho | Injection compression molding machine and its molding method |
EP0397883A4 (en) * | 1988-10-27 | 1991-01-16 | Komatsu Mfg Co Ltd | Injection compression molding machine and its molding method |
US5221509A (en) * | 1988-10-27 | 1993-06-22 | Kabushiki Kaisha Komatsu Seisakusho | Method and apparatus for injection and compression molding |
US5354525A (en) * | 1988-10-27 | 1994-10-11 | Kabushiki Kaisha Komatsu Seisakusho | Injection and compression molding apparatus and molding methods therefor |
EP0473791A1 (en) * | 1990-03-05 | 1992-03-11 | Komatsu Ltd. | Method of controlling injection of injection molding machine |
EP0473791A4 (en) * | 1990-03-05 | 1992-04-22 | Komatsu Ltd. | Method of controlling injection of injection molding machine |
Also Published As
Publication number | Publication date |
---|---|
KR900700259A (ko) | 1990-08-11 |
AU632473B2 (en) | 1993-01-07 |
DE68925512T2 (de) | 1996-07-18 |
EP0365684A1 (en) | 1990-05-02 |
KR950011890B1 (ko) | 1995-10-12 |
US5057255A (en) | 1991-10-15 |
JPH0637070B2 (ja) | 1994-05-18 |
AU3297689A (en) | 1989-10-16 |
DE68925512D1 (de) | 1996-03-07 |
EP0365684A4 (en) | 1991-08-28 |
JPH01241417A (ja) | 1989-09-26 |
EP0365684B1 (en) | 1996-01-24 |
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