B29C2945/76531

Stack mold

There is provided a mold stack (100). The mold stack (100) comprises a core insert assembly (102), the core insert assembly (102) for defining an inner portion of a molded article to be molded. The core insert assembly (102) includes a sensor assembly (120) configured to measure the in-mold pressure using entire active surface of the core insert assembly (102).

Molded Circuit Board of Camera Module, Manufacturing Equipment and Manufacturing Method for Molded Circuit Board
20190263040 · 2019-08-29 ·

A molded circuit board (10) of a camera module (100), manufacturing equipment (200) and a manufacturing method for the molded circuit board. The manufacturing equipment (200) comprises a forming mold (210), which comprises a first mold (211) and a second mold (212) that can be opened or closed, where the first mold (211) and the second mold (212) form a forming cavity (213) when closed. Also, a light window forming block (214) and a base forming guide groove (215) located at the periphery of the light window forming block (214) are provided within the forming cavity (213). When a circuit board is mounted in the forming cavity (213), once a molding material (13) filled into the base forming guide groove (215) is solidified into form by undergoing a transition process from a liquid state to a solid state, a molded base (12) is formed at the position corresponding to the base forming guide groove (215), a through hole of the molded base (12) is formed at the position corresponding to the light window forming block (214), where the molded base (12) is integrally formed on the circuit board so as to form the molded circuit board (10) of the camera module (100). The through hole is used for providing the camera module (100) with an optical path. The molded base (12) can serve as a frame for the camera module (100).

THERMALLY STABLE CELLULOSE ESTER COMPOSITIONS AND ARTICLES MADE USING THESE COMPOSITIONS

A cellulose ester composition with heat distortion temperatures greater than 90 C. is provided comprising at least one cellulose ester and optionally at least one plasticizer. The cellulose ester compositions are useful for making articles such as eyeglass frames, automotive parts, and toys are also provided.

Thermally stable cellulose ester compositions and articles made using these compositions

The present application discloses cellulose ester compositions that are plasticizer free that can be processed at higher temperatures with reduced degradation. The cellulose ester compositions disclosed are useful for the preparation of articles, for example eyeglass frames, automotive parts, and toys.

Articles made from hydrophilic thermoplastic polyurethane compositions

An article is prepared by injection molding, wherein the article is formed from a hydrophilic thermoplastic polyurethane composition, wherein the thermoplastic polyurethane composition comprises the reaction product of a hydroxyl terminated polyol intermediate component, an aliphatic isocyanate component, and, optionally, a chain extender component. For injection molding, the hydrophilic thermoplastic polyurethane has a crystallization temperature measured by dynamic scanning calorimetry of at least 75? C.

APPARATUS AND METHOD FOR HEATING A SIDE GATE NOZZLE

An injection molding machine includes an edge gate nozzle with a nozzle body having a primary melt channel and a nozzle head having first and second secondary melt channels that feed melt to first and second nozzle tips. First and second heaters are disposed in the nozzle head to provide heat to the secondary melt channels. In some embodiments, the heaters are positioned adjacent to the secondary melt channels, with first heater is closer to the first secondary melt channel than to the second secondary melt channel. In some embodiments, the heaters are positioned adjacent to the nozzle tips, with the first heater closer to the first nozzle tip than to the second nozzle tip. In some embodiments, each heater is adjacent to both the respective nozzle tip and secondary melt channel. In some embodiments, each heater is individually controllable.

Injection molding machine and method for assisting in manipulation of injection molding machine
10343319 · 2019-07-09 · ·

An injection molding machine is provided, wherein a display device displays screens requesting an operator to manipulate the injection molding machine in order in accordance with a manipulation procedure for the injection molding machine from automatic setting of initial molding conditions until actual molding of a molded article, and a guidance showing the manipulation procedure.

DEVICE AND PROCESS FOR PRODUCING HYBRID COMPOSITE PARTS

A molding process and device produce a hybrid composite part. The process includes configuring a mold cavity (102) to receive a prepreg material (116), configuring the mold cavity further to receive an injection of material, and providing a mold core (104) including at least one main core (112). The at least one main core (112) are configured to move with respect to the mold core (104). The process includes moving the mold core (104) with respect to the mold cavity (102) with a first actuator mechanism, moving the mold core to take a first configuration, forming with the mold core in the first configuration a preform from the prepreg material, moving the mold core to take a second configuration, and over molding onto the preform with the injection of the material with the mold core in the second configuration.

SHAPED BODY HAVING A VOLUME HOLOGRAM AND METHOD FOR PRODUCTION THEREOF

The present invention concerns a method for the production of a moulded body containing at least one volume hologram by means of injection moulding, comprising the following method steps: provision of a hologram film composite having two sides comprising at least one photopolymer layer with at least one volume hologram, a shear protective layer and a substrate layer, and optionally, further composite film layers, insertion of the hologram film composite into a metallic injection mould, such that one side of the hologram film composite is at least partially in contact with the injection mould wall, introduction of a molten thermoplastic polymer for the production of the moulded body, wherein at least the outermost layer of the hologram film composite on the side of the hologram film composite coming into contact with the molten polymer contains essentially the same polymer raw materials as the molten thermoplastic polymer, and extrusion coating of the hologram film composite with the molten thermoplastic polymer, and solidification of the molten thermoplastic polymer.

The invention also concerns a moulded body produced in this manner and advantageous applications of this moulded body.

INJECTION MOLDING MACHINE
20240190058 · 2024-06-13 ·

A cylinder that kneads an injection material, a heat insulating cover that covers a side surface of the cylinder, the heat insulating cover including a first end portion and a second end portion, a heater arranged between the heat insulating cover and the cylinder, the heater heating a first region of the cylinder, and a first heat pipe that thermally connects the first region and a second region to each other, the second region being different from the first region, are provided. The heat insulating cover includes the first end portion and the second end portion through which the injection material passes, and the first region is closer to a midpoint between the first end portion and the second end portion than the second region.