A hot runner injection molding apparatus, and method of use, is disclosed in which strain gauges are provided in the temperature zones of the hot runner injection molding apparatus and a hot runner controller creates a target strain profile, detects deviations from the target strain profile in any temperature zone based on the strain readings provided by the strain gauges in each temperature zone, and instructs correction of deviations from the target strain profile in any deviating temperature zone by adjusting the heat produced by a heater or heaters in the deviating temperature zone. The target strain profile may be based on a median or average of strain readings provided over time by the strain gauges in each temperature zone. A hollow installation tube for placing the strain gauges in the hot runner injection molding apparatus is also disclosed.

Provided is a glue injection device, comprising: a glue melting unit (400), the glue melting unit (400) comprising a rotatable turntable (402) and a fixing member (403), wherein a feeding groove is provided on the surface of the turntable (402) facing the fixing member (403) and the turntable (402) melts the raw material in the feeding groove into glue when rotating with respect to the fixing member (403); and a glue injection unit (500) connected with the glue melting unit (400). The glue is injected into the glue injection unit (500) when the turntable (402) is rotated, and the glue injection unit (500) is capable of injecting the glue therein into a mold.

An artificial fishing lure, and a method of constructing the same, the method including providing a mold configured to form the fishing lure, injecting at least a partially liquified first polymer heated to a first temperature into the mold, injecting at least a partially liquified second polymer heated to a second temperature into the mold, and allowing the at least partially liquified first and second polymers to harden.

An injection molding apparatus including an injection device, a mold, a gas supply device, and a temperature control device is provided. The mold has a mold cavity, wherein the injection device is adapted to inject a material into the mold cavity. The gas supply device is adapted to supply a gas to the mold cavity such that the pressure in the mold cavity is increased. The temperature control device is adapted to control the temperature in the mold cavity. In addition, an injection molding method is also provided.

Provided is an injection molding system that uses an identification code, collectively manages the specifications and combinations of an injection molding machine and peripheral devices, and secures a suitable production state for a combination of a wide variety of specifications. An injection molding system include: an injection molding machine; a plurality of peripheral devices; an identification code attached to the injection molding machine and each of the plurality of peripheral devices, and having identification information of the injection molding machine and each of the plurality of peripheral devices; a code reader that reads the identification code; and a management unit including a storage unit that stores a correct combination of the identification code of the injection molding machine and the plurality of peripheral devices, and a confirmation determination unit for confirming whether the correct combination stored in the storage unit matches the identification code read by the code reader.

A polyolefin-based resin composition of the present invention contains a polyolefin-based resin (A) and a light stabilizer (B), in which the light stabilizer (B) includes a predetermined hindered amine compound (B-1) and a predetermined phenol-based antioxidant (B-2), where the polyolefin-based resin composition is composed such that a value of the brightness increase ratio [L* (2,040 h)L* (0 h)]/L* (0 h) before and after the weather resistance test is 0.05 or more and less than 0.1.

Provided is a molded article comprising an aliphatic polyester. The aliphatic polyester is at least one selected from the group consisting of polyglycolic acid and a copolymer of a glycolic acid monomer and a monomer other than the glycolic acid monomer. The molded article has a uniaxial compressive strength at a temperature of 23 C. of greater than 250 MPa and not greater than 350 MPa.

An injection molding device includes an injection machine, a molding die, and a high frequency oscillation device. The injection machine injects a resin material containing a dielectric heat generating material while keeping fluidity by temperature control. The molding die includes a cavity being a channel of flow of the resin material, and a pair of electrodes, each of which faces the cavity, the pair of electrodes being disposed to sandwich the resin material therebetween in a direction crossing a direction of the flow. The high frequency oscillation device applies a high frequency alternate-current voltage to the pair of electrodes.

This resin temperature detecting device for an injection molding machine detects the temperature of resin (12) flowing through a resin flow passage (11) in an injection molding machine provided with a nozzle part (1) having the resin flow passage (11). A heat sensing part (SP) of a temperature sensor (10) is provided at a heat sensing position in the vicinity of a leading end part (N) of the resin flow passage (11) in the nozzle part (1), the leading end part being the portion of the resin flow passage (11) where the inner diameter is smallest.

The present application relates to an injection molding system, comprising: an input condition storage section 23 to store an input plasticization condition; an ideal plasticization state storage section 24 to store information of an ideal state of plasticization; an input condition simulation section 29 for the plasticization condition based on data stored in the input condition storage section 23; a comparison section 25 to compare the information stored in the ideal plasticization state storage section 24; an optimal condition analysis and calculation section 26 to calculate the optimal plasticization condition when the data stored in the input condition storage section 23 is decided not to be the ideal state of plasticization by the comparison section 25 using the data of the input condition storage section 23 and the information stored in the ideal plasticization state storage section 24; and a condition change indicating section 28 to display information necessary to make a change to the optimal plasticization condition on a display section 22 based on a result of calculation by the optimal condition determination section 26.