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
  • B29C45/76—Measuring, controlling or regulating
  • B29C45/78—Measuring, controlling or regulating of temperature
• • 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
  • B29C33/00—Moulds or cores; Details thereof or accessories therefor
  • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
  • B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
• • 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
  • B29C45/72—Heating or cooling
  • B29C45/73—Heating or cooling of the mould
  • B29C2045/7393—Heating or cooling of the mould alternately heating and cooling
• • 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
  • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
  • B29C2945/76—Measuring, controlling or regulating
  • B29C2945/76003—Measured parameter
  • B29C2945/7604—Temperature
• • 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
  • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
  • B29C2945/76—Measuring, controlling or regulating
  • B29C2945/76003—Measured parameter
  • B29C2945/76066—Time
• • 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
  • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
  • B29C2945/76—Measuring, controlling or regulating
  • B29C2945/76177—Location of measurement
  • B29C2945/76254—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
  • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
  • B29C2945/76—Measuring, controlling or regulating
  • B29C2945/76494—Controlled parameter
  • B29C2945/76518—Energy, power
• • 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
  • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
  • B29C2945/76—Measuring, controlling or regulating
  • B29C2945/76655—Location of control
  • B29C2945/76775—Fluids
  • B29C2945/76782—Fluids temperature control fluids
• • 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
  • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
  • B29C2945/76—Measuring, controlling or regulating
  • B29C2945/76655—Location of control
  • B29C2945/76792—Auxiliary devices
  • B29C2945/76812—Auxiliary fluid supplying 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
  • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
  • B29C2945/76—Measuring, controlling or regulating
  • B29C2945/76822—Phase or stage of control
  • B29C2945/76859—Injection
• • 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
  • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
  • B29C2945/76—Measuring, controlling or regulating
  • B29C2945/76822—Phase or stage of control
  • B29C2945/76862—Holding, dwelling
• • 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
  • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
  • B29C2945/76—Measuring, controlling or regulating
  • B29C2945/76822—Phase or stage of control
  • B29C2945/76892—Solidification, setting phase

Definitions

• the present invention repeats a molding cycle including mold closing, heating, injection and holding pressure of a molding material, cooling of the mold, mold opening, removal of a molded product, and mold closing of the next cycle. It relates to molding machine systems.
• molding systems used in injection molding machines, blow molding machines, thermoforming machines, etc. that mold plastic products, etc. have two types of molds for heating and cooling depending on the heating and cooling process.
• a series of molding cycles of heating the mold, injecting and holding the molding material, molding, cooling the mold, and taking out the molded product are repeated by supplying media with different temperatures.
• each process such as heating of a mold, injection and holding pressure of a molding material, and cooling during a molding cycle is performed at a preset timing.
• Patent Document 1 a medium temperature detection sensor is provided in the vicinity of the mold flow path outlets of the fixed side mold and the movable side mold, and the opening time of the inflow switching valve for steam and the inflow switching valve for cooling water is set. Mold temperature adjustment device and mold that perform inflow and recovery of steam, mold closing, steam pressure retention, injection, inflow and recovery of cooling water, etc., in combination with the medium temperature in the flow path by the medium temperature detection sensor A mold temperature control method has been proposed! Speak.
• Patent Document 1 Japanese Patent Laid-Open No. 2001-18229 Disclosure of the invention
• the problem to be solved is that there exists a molding machine system that can freely set the execution timing of each process such as heating of the mold during the molding cycle, injection and holding of the molding material, and cooling. It is a point not to do.
• the molding machine system of the present invention is a molding that includes mold closing, heating, injection and holding pressure of a molding material, cooling of the mold, mold opening, taking out a molded product, and mold closing of the next cycle.
• a molding machine system that repeats a cycle, and includes a plurality of temperature detection units arranged in each part of the mold, a heating medium from the heating unit, a cooling medium from the cooling unit, and pressurized air to the mold.
• a switching valve unit having a medium path that can be switched and supplied and a control means having a temperature determination program for molding and a timer, and the plurality of temperature detection units by the temperature determination program.
• the inflow timing of steam into the mold during the heating process the injection timing of the resin into the mold, the inflow timing of cooling water into the mold during the cooling process, and cooling Molding machine that can freely change the timing of blowing air (pressure air) to prevent overcooling to the mold in the process, and realize a molding cycle that emphasizes the mold temperature
• blowing air pressure air
• the determination result can be obtained more quickly, and the operation control of the heating process and the cooling process can be performed.
• multiple or average of three temperature sensor detected temperatures By using the value as the determination result, it is possible to provide a molding machine system that can perform operation control of the heating process and the cooling process accurately reflecting the temperature of the mold.
• control means is provided on the control panel of the molding machine body, and the temperature of the mold is controlled in the same manner as in the inventions of claims 1 and 2. It is possible to provide a molding machine system that can control the operation of the heating process and the cooling process that emphasizes and accurately reflects the temperature of the mold.
• FIG. 1 is a piping configuration diagram of each element constituting a molding machine system according to Embodiment 1 of the present invention.
• FIG. 2 is a block diagram showing a temperature sensor and control means according to the first embodiment.
• FIG. 3 is a diagram showing a change in mold temperature during a molding cycle and execution timing of each process according to the first embodiment.
• FIG. 4 is a piping configuration diagram of each element constituting a molding machine system according to Embodiment 2 of the present invention.
• FIG. 5 is a block diagram showing a temperature sensor and control means according to the second embodiment.
• Cooling tower 50 switchable banorebu unit
• the purpose of the present invention is to provide a molding machine system that can freely set the execution timing of each process such as heating of a mold, injection and holding pressure of a molding material, and cooling during a molding cycle.
• a molding machine system that repeats a molding cycle consisting of closing, heating, molding material injection and holding pressure, mold cooling, mold opening, molded product removal, and mold closure of the next cycle.
• Multiple temperature detectors arranged in each part, and the mold from the heating unit
• a switching valve unit having a medium path that can be supplied by switching and supplying a heating medium, a cooling medium from the cooling unit, and pressure air, and a control means having a temperature determination program for molding and a timer.
• the temperature determination program determines that one or more of these detected temperatures or the average value has reached the set temperature based on the detected temperatures of the plurality of temperature detecting units, and The determination result of any one of the above and a time setting signal from the timer are combined to control arbitrary supply end timing of the heating medium supplied from the switching valve unit to the mold during the heating process, cooling Supply of cooling medium supplied from the switching valve unit to the mold during the rejection process Delay control and arbitrary supply end timing control, optional supply control of pressurized air Performed when both were realized by configuration to perform molding operation control including any supply control of the molding material in the mold.
• FIG. 1 shows a molding machine system according to Embodiment 1 of the present invention.
• This molding machine system includes a heating unit 1, a cooling unit 30, a switching valve unit 50, and a mold 100. .
• the heating unit 1 converts the raw water A into soft water by the water softener 21 and injects a medicine such as an antiseptic by the chemical injection device 22 and then supplies it to the boiler 20 and discharges it as steam B in the boiler 20 23. It is configured to supply to the switching valve unit 50 from the steam supply port 50c.
• the cooling unit 30 uses the cooling water C supplied to the cooling water supply port 30a as a cooling tower.
• the cooling water C (water temperature 10 ° C. to normal temperature) exchanged in the cooling tower 31 is supplied to the switching valve unit 50 through the cooling water discharge port 30b by the pump 32. It is like that.
• the return cooling water C from the switching valve unit 50 flows from the cooling water return port 30c, and water is sprinkled from the upper part of the cooling tower 31 to exchange heat.
• the switching valve unit 50 includes four switching valves 7 1, 72, 73, 74 that all open and close by air control. That is, the switching valve unit 50 is Cooling water C from the cooling water discharge port 30b of the rejection unit 30 is introduced into the pump 76 from the cooling water receiving port 50a, and the pressure is increased by the pump 76. The mold 100 is passed through the switching valve 71 and the mold 61. To supply.
• the cooling water C circulated through the mold 100 is guided to the cooling water drain 50b via the switching valve 72 via the hold 62, and to the cooling water return port 30c of the cooling unit 30.
• a switching valve 73 and a valve having a ventilating mechanism (silent reducer) 75 (silent reducer) 75 are connected between the discharge side of the pump 76 and the outlet side of the switching valve 72. Configure to let in the steam from 62 outlets! /
• Air (pressure air) D for opening / closing control of the four switching valves 71 to 74 is supplied from an air source (not shown) through an air filter 56 and an air regulator 57.
• air pressure air
• air filter 56 the air filter 56 and the air regulator 57 to the outlet pipes of the switching valves 71 and 74 through the cock 58 and the stop valve 59. D can be supplied.
• the temperature of the mold 100 is detected by, for example, three temperature sensors 101 provided near the fixed mold, the movable mold, and the cavity constituting the mold 100, and the temperature of each temperature sensor 101 is detected.
• the signal is transmitted (returned) to the control means 64 mounted on the control panel 63 of the switching valve unit 50.
• the number of the temperature sensors 101 may be an arbitrary number such as 2, 4, 5, or the like.
• the control means 64 includes a program storage unit 65 that stores a temperature determination program, a timer 66 that outputs a time setting signal, and a determination result obtained by the temperature determination program. Based on the time setting signal, a control signal sl for controlling the switching supply of heating medium, cooling medium, and pressure air to the mold 100 by the switching valve unit 50, in the mold 100 And a control signal generation unit 67 for generating a control signal s2 for performing molding operations such as mold closing and mold opening.
• the temperature determination program stored in the program storage unit 65 is based on each detected temperature of each temperature sensor 101, and one or more of these detected temperatures or a level It is determined that the average value has reached the set temperature, and the determination result is sent to the control signal generator 67.
• the timer 66 starts measuring time when the temperature determination program determines that the temperature has reached the set temperature in the heating process or the cooling process, for example, and controls the time setting signal. It is sent to the signal generator 67.
• FIG. Fig. 3 shows the change in mold temperature during the molding cycle and the execution timing of each process.
• mold closing of the mold 100 starts based on the control signal s2 from the control signal generating unit 67 to the mold 100 and the control signal si to the switching valve unit 50.
• the switching valve 74 shown in FIG. 1 is controlled to be opened, and the switching valves 71 and 72 are controlled to be closed. Further, the switching valve 73 is controlled to be opened.
• the cooling water C from the cooling unit 30 returns to the cooling unit 30 through the pump 76, the switching valve 73, and the valve 75, that is, forms a circulation path that does not pass through the mold 100. It will be in a state to be
• the steam B produced by the heating unit 1 passes through the mold 100 via the switching valve 74 and the hold 61, and a heating process is performed to heat the mold 100 to a predetermined temperature.
• the steam flows into the cooling water circulation path through the hold 62 and the valve 75 having the bench mechanism.
• the mold closing of the mold 100 ends in a predetermined time after the mold closing starts, and the three temperature sensors 101 detect the temperatures of the three positions of the mold 100. These detection signals are sent to the program storage unit 65.
• the temperature determination program determines, based on the detected temperatures from the three temperature sensors 101, that one or more of these detected temperatures or an average value has reached the set temperature, and determines The result (temperature judgment value) is sent to the control signal generator 67.
• the determination result by the temperature determination program is sent to the timer 66, whereby the timer 66 starts timing, and the time setting signal is sent to the control signal generator 67 as shown in FIG. To send.
• the control signal generator 67 outputs an injection start signal s21 that is a control signal s2 for the mold 100 based on the determination result (temperature determination value), and the resin 100 is a molding material. Is executed.
• the switching valve 74 of the switching valve unit 50 in the heating process is opened from the open state by the control by the control signal generating unit 67 based on the determination result (temperature determination value) and the time setting signal.
• the timing of switching to the closed state that is, the timing of stopping the inflow of steam B and ending the heating process, during temperature judgment (Fig. 3: heating step (a)), during injection (Fig. 3: heating step (b)), During holding pressure (Fig. 3: Heating process (c)) t can be optional
• the injection timing of the resin, which is a molding material, to the mold 100 is also arbitrary as shown in FIGS. 3 (d) and 3 (e). It becomes possible
• the steam B that has flowed into the valve 75 is smoothly discharged to the circulation path due to the suction action of the bench mechanism. That is, the flow rate of the cooling water is increased at the nozzle portion of the valve 75, the atmospheric pressure at the steam suction portion is reduced, and the steam is smoothly sucked into the valve 75 and discharged to the circulation path. As a result, the steam B can be smoothly discharged into the circulation path, and the time for raising the mold 100 to a predetermined temperature during the heating process can be shortened.
• the process proceeds to the cooling process of the mold 100.
• the switching valves 73 and 74 are closed, and the switching valves 71 and 72 are controlled to be opened to cool the mold 100 with the cooling water C.
• the cooling water C is supplied to the pump 32, the pump 76, the switching valve 71, the merge 61, and the mold. 100, manifold 62, switching valve 72, cooling tower 31, and cooling water C are circulated to pump 32, and mold 100 is cooled.
• the mold 100 is cooled, and after the cooling is completed, the mold can be opened from the control signal generator 67. After the mold 100 is opened based on the signal s22 and the product is taken out, the series of operations for shifting to the mold closing and heating processes described above are repeated and executed.
• cooling process (f) cooling process (f)
• the cooling process is started with a predetermined time delay until a judgment result (temperature judgment value) based on the detected temperatures of the three temperature sensors 101 in the cooling process is obtained.
• Fig. 3: Cooling step (g) and after a predetermined time delay in the cooling step, until the time setting signal from the timer 66 ends (Fig. 3: Cooling step (h)), or may be optional. It becomes possible.
• Air (pressure air) D is supplied to the outlet side of the switching valves 71 and 74 through the air filter 56 and the air regulator 57, through the cock 58 and the stop valve 59, and the mark is held. If air (pressure air) D is blown into the mold 100 through 61 (Fig. 3: Cooling step (i)), it is possible to control the mold 100 to prevent overcooling.
• the air (pressure air) D is also used to purge the cooling water C from the mold 100 by blowing air D at normal temperature when switching from the low-temperature cooling water C to the high-temperature steam B.
• the solid line is a characteristic when the time setting signal from the timer 66 is not used in the cooling process
• the dotted line portion is the timer 66 in the cooling process. It is a characteristic when the time setting signal from is used.
• control signal generation unit 67 is configured to open the mold that is the control signal s2 for the mold 100 when a determination result (temperature determination value) based on the detected temperatures of the three temperature sensors 101 is obtained. Output possible signal s22.
• the determination result (temperature determination value) based on the detected temperatures of the three temperature sensors 101 and the time setting signal from the timer 66 are combined.
• the inflow timing of the steam B to the mold 100 in the heating process the ejection timing of the resin to the mold 100, and the mold 100 in the cooling process Cooling water C inflow timing, air (pressure air) to prevent overcooling to the mold 100 during the cooling process D blowing timing can be changed freely, molding with emphasis on the temperature of the mold 100 A cycle can be realized.
• the temperature determination program determines that one or more of these detected temperatures or the average value has become the set temperature.
• the determination result for example, if any one of the detected temperatures of the three temperature sensors 101 is used as the determination result, the determination result can be obtained more quickly and the heating process, Operation control of the cooling process can be executed, and the temperature of the mold 100 can be accurately reflected if, for example, multiple or average values of the detected temperatures of the three temperature sensors 101 are used as determination results. Operation control of heating process and cooling process can be executed.
• control means 64 is mounted on the control panel 81 of the molding machine main body 80 which is not the switching valve unit 50, and the operation of the switching nozzle unit 50 and the mold 100 is controlled by the control means 64.
• the configuration is characterized in that the control is performed, and other configurations are the same as those in the first embodiment.
• Examples of the molding machine main body 80 include various molding machine main bodies constituting various types of molding machines such as an injection molding machine, a blow molding machine, and a heat press machine.
• the control means 64 mounted on the control panel 81 of the molding machine main body 80 has a program capacity storing a temperature judgment program as shown in FIG. Based on the storage unit 65, the timer 66 for outputting a time setting signal, the determination result by the temperature determination program, and the time setting signal, the heating medium to the mold 100 by the switching valve unit 50, A control signal generating unit 67 for generating a control signal sl for switching and controlling the supply of cooling medium and pressure air, and a control signal s2 for performing molding operations such as mold closing and mold opening in the mold 100. And speak.
• the temperature determination program stored in the program storage unit 65 is based on the detected temperatures of the three temperature sensors 101, for example, as in the case of the first embodiment. Alternatively, it is determined that a plurality or average values have reached the set temperature, and the determination result is sent to the control signal generator 67.
• the timer 66 starts measuring time when the temperature determination program determines that the set temperature is reached, for example, in the heating process or the cooling process, and controls the time setting signal. It is sent to the signal generator 67.
• the determination result (temperature determination value) based on the detected temperatures of the three temperature sensors 101 and the time setting signal from the timer 66 are combined.
• the mold 100 in the heating process can be controlled in the same manner as in the first embodiment.
• Steam B inflow timing, resin injection timing to mold 100, cooling water C inflow timing to mold 100 in cooling process, air to prevent overcooling to mold 100 in cooling process (pressure air ) D blowing timing can be changed freely, and a molding cycle emphasizing the temperature of the mold 100 can be realized.
• the temperature determination program determines that any one or more of these detected temperatures or the average value has reached the set temperature. In the case of using the determination result, if any one of the detected temperatures of the three temperature sensors 101 is used as the determination result, the determination result can be obtained more quickly and the heating process and cooling can be performed. Process operation control can be performed, and if multiple or average values of the detected temperatures of the three temperature sensors 101 are used as judgment results, heating that accurately reflects the temperature of the mold 100 Operation control of the process and the cooling process can be executed.
• the present invention can be widely applied to various molding machines for obtaining molded articles made of a metal material, in addition to the molding machine that performs the above-described resin molding.

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

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Publications (1)

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Cited By (1)

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Citations (2)

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• 2005
  • 2005-09-21 JP JP2005274200A patent/JP4785479B2/ja not_active Expired - Lifetime
• 2006
  • 2006-09-12 US US11/817,663 patent/US7578666B2/en active Active
  • 2006-09-12 EP EP06797841.1A patent/EP1927458B1/en active Active
  • 2006-09-12 WO PCT/JP2006/318044 patent/WO2007034710A1/ja not_active Ceased
  • 2006-09-12 CN CN2006800042968A patent/CN101115603B/zh active Active
  • 2006-09-12 KR KR1020077014561A patent/KR100912991B1/ko active Active
  • 2006-09-20 TW TW095134809A patent/TW200722263A/zh unknown

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