NISSEI PLASTIC INDUSTRIAL CO., LTD. Patent applications |
Patent application number | Title | Published |
20160114514 | TEMPERATURE CONTROL DEVICE OF INJECTION MOLDING MACHINE - A PID control system | 04-28-2016 |
20160114511 | HEATING DEVICE OF INJECTION MOLDING MACHINE - When a heating device is formed which includes at least one or more heaters | 04-28-2016 |
20150328812 | METHOD OF PURGING FOR AN INJECTION MOLDING MACHINE - A switching purging step (S | 11-19-2015 |
20150298376 | MOLD ATTACHING METHOD TO MOLD CLAMPING DEVICE - When a plurality of sets of molds, spaced a predetermined distance along a circumferential direction of a rotary platen, are attached through predetermined clamp portions to a mold attachment surface of the rotary platen supported by a movable platen included in a mold clamping device and a mold attachment surface of a fixed platen opposite this mold attachment surface, at least a mold clamping force, when the mold is attached, is previously limited to a limited mold clamping force lower than a mold clamping force at the time of molding. A mold attaching mode is set that has an interlock function of preventing the limitation from being cancelled until a condition under which all the clamp portions are turned on is satisfied. The selected mold attaching mode is performed when the molds are attached and the plurality of sets of molds are sequentially attached set by set. | 10-22-2015 |
20150202815 | CONTROL METHOD AND CONTROL DEVICE FOR INJECTION MOLDING MACHINE - A molding injection pressure Pi with which a parting opening Lm is formed between a movable mold | 07-23-2015 |
20140198600 | INJECTING MACHINE FOR TWO DIFFERENT LIQUID MATERIALS - An injecting machine for two different liquid materials includes an injection cylinder having a nozzle disposed on a distal end thereof, a mixing mechanism disposed on the injection cylinder for mixing the two different liquid materials together to feed a liquid mixture into the injection cylinder, and a support plate supporting a proximal portion of the injection cylinder. The mixing mechanism includes a valve casing fixed to the injection cylinder so that the entirety of the mixing mechanism is supported by the injection cylinder. | 07-17-2014 |
20140196807 | INJECTING MACHINE FOR TWO DIFFERENT LIQUIDS - An injecting machine for two different liquids is configured to inject a liquid mixture of the two different liquids in a first-in first-out manner. The liquid mixture passes from a passage of an injection cylinder through a helical groove of a plunger into a forward space formed forwardly of the plunger as the plunger gradually moves back. When the plunger reaches a fully retracted position, a first part of the mixture remains in a front portion of the forward space while a last part of the mixture remains in a rear portion of the forward space. As the plunger moves to an advanced position, the first part of the mixture is first injected out of a nozzle and the last part of the mixture is finally injected out of the nozzle. | 07-17-2014 |
20140134286 | LIQUID RESIN MOLDING APPARATUS - In a liquid resin molding apparatus including a mold, an injection machine, a metering/supplying mechanism for metering a liquid resin material and supplying a metered amount of liquid resin material to the injection machine, and a pump for pressure-feeding the liquid resin material to the metering/supplying mechanism, the pump is a piston pump having a piston and an actuator for reciprocating the piston, and a discharge pressure of the piston pump is set to be at least 1.5 times a supply pressure with which the liquid resin material is supplied to the metering/supplying mechanism. A pressure reducing valve is disposed in a supply path extending from the piston pump to the metering/supplying mechanism, so as to reduce a pressure of the liquid resin material from the discharge pressure to the supply pressure. | 05-15-2014 |
20140102905 | PLATED ALUMINUM PRODUCT - In a method of plating aluminum based articles, an iron-based composite plating bath formed by admixing a nano-sized, particle-deposited carbon material into an iron plating bath at a ratio of 1.0 g per liter is provided. Using the iron-based composite plating bath, an iron-based composite plating layer containing the nano-sized, particle-deposited carbon material is plated on an aluminum-based base material. | 04-17-2014 |
20130309350 | INJECTION MOLDING APPARATUS - An injection molding apparatus includes, as its drive sources, an electric power supply source, compressed air source and hydraulic pressure supply source. A hydraulic-pressure-supply-destination selection section supplies hydraulic pressure from the hydraulic pressure supply source to a selected one of first and second mold clamping cylinders. Necessary capacity of the hydraulic pressure supply source can be lowered as compared to a case where all of the mold clamping mechanisms and injecting machines are driven by hydraulic pressure. Because only a selected one of the mold clamping mechanisms is driven at a time, the necessary capacity of the hydraulic pressure supply source can be halved as compared to a case where the mold clamping mechanisms are driven simultaneously. | 11-21-2013 |
20130302468 | LIQUID RESIN MOLDING SYSTEM - A liquid resin molding system includes a mold clamping mechanism, an injection nozzle for injecting a liquid resin into a cavity within a mold, a nozzle touch mechanism for pressing the injection nozzle against the mold, and a liquid resin feeding apparatus disposed separately from the injection nozzle for feeding a liquid resin to the injection nozzle. The injection nozzle and the nozzle touch mechanism are attached to a movable platen. | 11-14-2013 |
20130142899 | CONTROL DEVICE OF INJECTION MOLDING MACHINE - An injection molding machine includes a molding machine controller having a computer function to perform molding by controlling a mold clamping device that clamps a mold and an injection device that injects and charges resin, plasticized and molten by rotation of a screw inside a heating cylinder, into the mold by advancement of the screw. The molding machine controller includes a mode selecting function that selects either of two modes of an injection side setting priority mode for injecting and charging the resin by giving priority to a molding condition set on the injection device side and a mold clamping side setting priority mode for injecting and charging the resin by giving priority to a molding condition set on the mold clamping device side. A setting screen display function for displaying an injection side priority setting screen and displaying a mold clamping side priority setting screen is provided. | 06-06-2013 |
20130100032 | DISPLAY DEVICE FOR PRODUCTION MACHINE - A display device with a touch panel and a controller having a computer function to display various kinds of screens on a display surface of the display. The controller includes a multiple screen display processing function part wherein at least two independent screen display parts are displayed side by side, a screen switch processing function part to enable switching of a touched screen to the other screen by a touch/slide operation on the screen, and a switch key display processing function part by which a key display part is arranged on the display surface in an area other than the screen display parts. A plurality of switch keys are arranged and displayed in the key display part according to a key pattern corresponding to the order of the screens switched by a touch/slide operation so as to enable selection of the screens to display by a touch operation. | 04-25-2013 |
20120146260 | MOLDING METHOD OF INJECTION MOLDING MACHINE - In performing molding by injecting and filling a resin by an injecting device with a predetermined injection pressure into a mold formed of a fixed mold and a movable mold clamped by a clamping device with a predetermined clamping force, at least a clamping device which enables natural compression of the resin with solidification of the resin in the mold is used as the clamping device, a molding injection pressure and a molding clamping force with which a predetermined mold gap is generated between the movable mold and the fixed mold in injection and filling and a non-defective product can be molded are acquired and set in advance, the clamping device is clamped with the molding clamping force during production, the molding injection pressure is set as a limit pressure, and after the resin is injected and filled in the mold by driving the injecting device. | 06-14-2012 |
20110018157 | METHOD OF ADJUSTING MOLD THICKNESS OF TOGGLE-TYPE MOLD CLAMPING DEVICE - There are provided a first process T | 01-27-2011 |
20100168774 | PRICKING DEVICE - A pricking device having an accurate pricking function, an automatic safe post-use discarding function and a re-use inhibiting function is disclosed. The pricking device is easy and simple to operate, simple in structure and is high in productivity to reduce production costs. The pricking device is made up of a lancet unit and a housing unit. The lancet unit includes a needle. The lancet unit is formed by a unit body member, a restoration member and a resilient piece for lock molded as one with one another. The unit body member operates to cause the needle to pop out from the housing unit in connection with a pricking operation. The restoration member controls the operation of movement of the unit body member as it stores a force of elasticity in it. After the pricking operation, the needle is returned into the inside of the housing unit under the so stored force of elasticity of the restoration member. Another force of elasticity is stored in the resilient piece for lock as a result of the movement of the unit body member. The resilient piece for lock includes a cam bump engaged with a lock cam section of the housing unit after the pricking operation. | 07-01-2010 |
20100109183 | METHOD OF SETTING MOLD CLAMPING FORCE OF INJECTION MOLDING MACHINE - Test molding is performed by sequentially clamping a mold | 05-06-2010 |
20100109182 | METHOD OF SETTING MOLD CLAMPING FORCE OF INJECTION MOLDING MACHINE - When test molding is performed by sequentially clamping a mold with a mold clamping force (100%, 80%, 70%, ...) obtained by sequentially lowering a mold clamping force by a predetermined amount from the maximum mold clamping force (100%), a mold clamping pressure Pc in an injection process is detected and a plurality of different monitored elements (Pc, Pcd and Per) corresponding to the variation of the mold clamping pressure Pc are monitored, and thus it is detected that at least one of the monitored elements is varied to exceed a predetermined threshold, a mold clamping force obtained by increasing a mold clamping force at the time of the production of the variation by a predetermined amount is set as a proper mold clamping force Fs. | 05-06-2010 |
20090188644 | CONTROL METHOD FOR SUPPLYING INERT GAS DURING METAL MOLDING - A control method for supplying an inert gas from an inert gas source to a storage container for a molten metal through a gas feed path provided with a flow sensor for monitoring the gas flow rate and a solenoid valve for opening and closing the gas feed path for use with metal molding. The control method comprises; turning off the solenoid valve at a temperature of the storage container is equal to or lower than a preset temperature, and turning off the flow sensor; turning on the solenoid valve at the temperature of the storage container has reached the preset temperature, and turning on the flow sensor; and stopping the output of the heater of the storage container when a flow rate of the inert gas is equal to or lower than the preset amount; these steps are controlled in accordance with a command signal from a controller. | 07-30-2009 |
20090178776 | DEVICE FOR MELTING, STORING, AND FEEDING METAL MATERIAL FROM BAR-SHAPED METAL MATERIAL INTENDED FOR INJECTION APPARATUS FOR MOLDING METAL PRODUCT - A device for melting, storing, and feeding a metal material is provided which can store a large amount of molten metal material corresponding to molding cycles with a compact configuration, using barrels to melt bar-shaped metal materials and a tank-and-barrel storage unit to store the molten metal material. The storage unit for the molten metal material is composed of an upper storage tank and a lower material temperature control barrel having a smaller diameter, the barrel being perpendicularly arranged under and in communication with the bottom center of the tank. The melting barrels for bar-shaped metal materials are made of barrel bodies having an inside diameter and a length appropriate to accommodate the bar-shaped metal materials. A more than one melting barrel is vertically arranged in parallel on a lid member of the storage tank, with their bottom openings facing the inside of the storage tank. | 07-16-2009 |
20090165984 | INJECTION CYLINDER IN INJECTION APPARATUS FOR MOLDING METAL MATERIAL - Leakage of molten metal material from between a cylinder body having a tight-fitting liner and a nozzle member of an injection apparatus is prevented through the interaction of the nozzle member and a coupling ring with the liner. | 07-02-2009 |
20090090749 | Method for preventing leaking of molten metal in injection molding of metal material - This is provided a method for preventing leaking of molten metal from a nozzle in an injection apparatus provided with a plunger within a cylinder body, a supply opening formed in an upper portion of the cylinder body, and a furnace for melting and holding the metal material provided on a top portion of the injection cylinder and having an outlet at the bottom end of the furnace communicated with the supply opening. The method comprises the following steps: metering the molten metal by travel of the plunger head backward from the most forward position to the backward position at the rear of the supply opening while maintaining nozzle touching after completion of an injection step and supplying the molten metal from the furnace into the cylinder body through the supply opening, after completion of the metering, closing the supply opening by travel of the plunger head forward at low speed from the backward position to a stand-by position ahead of the supply opening for cutting off the communication between the molten metal in the cylinder body and the molten metal in the furnace. | 04-09-2009 |
20080203628 | Method for controlling molten metal material leaking in injection apparatus of metal molding apparatus - A method for controlling a molten metal material in an injection apparatus that includes a cylinder body with a nozzle at a front end, and a discharge opening on a bottom side of a rear portion. Heating means are provided on an outer periphery of the cylinder body and an injection cylinder is inserted onto an injection plunger for a forward and backward travel within a clearance inside the cylinder body. A material melting and supplying apparatus on a top portion of the injection cylinder has a bottom end outlet communicating with a cylinder body supply opening. Molten metal material accumulates from the supply opening in a cylinder front portion by backward plunge travel and is injected by a forward plunge travel. Heating means maintains the temperature of the molten metal material in front and middle cylinder portions and allows a lower temperature in a rear portion providing a seal metal as well as a lubricant. | 08-28-2008 |