B29C45/1744

Optical fiber re-coating device

An optical fiber re-coating device of the invention includes an optical fiber coater that includes: a pair of glass members having grooves formed thereon; and two bases on which the respective glass members are provided, wherein at least one of the paired glass members has a cross section in a direction vertical to a mounting surface of the bases, the cross section is formed in a trapezoidal shape, the groove is provided on a short side of the trapezoidal shape, and an inclined surface of the glass member including an inclined side of the trapezoidal shape is pressed, and the glass member is thereby fixed to the base.

Injection molding machine
10532505 · 2020-01-14 · ·

An injection molding machine capable of opening/closing a movable mold relative to a stationary mold by moving a crosshead backward and forward to move a movable platen backward and forward relative to a stationary platen through a toggle link. The injection molding machine includes a reciprocating mechanism that receives a counterforce exerted on the crosshead in the back-and-forth direction when the movable mold and the stationary mold are closed, and a load acquisition unit that acquires a load exerted on the reciprocating mechanism in a direction perpendicular to the back-and-forth direction of the crosshead.

Additional injection modular system

Additional injection modular system applicable in any process for molding parts or products by polymer injection is provided, wherein injecting one or more parts or products with a single material or a plurality of polymer materials requiring separate, simultaneous or sequential complementary injections becomes necessary in addition to the injection of a base material processed in a conventional injection machine. The system has a module configurable in both composition and dimension with optimized rheological and energy behavior which is installed between the closure assembly plates of the base machine and the mold, comprising a frame, front mold clamping plate, structure clamping plate, structure spacer blocks, at least one additional injection assembly, at least one additional injection nozzle and injection nozzle extension. The system herein can be used in the production of parts by injection processes generally designated as multi-component injection.

DIE CASTING MACHINE HAVING IMPROVED MOUNTING PLATE
20240042516 · 2024-02-08 ·

The present invention relates to a mounting plate, in particular a fixed mounting plate, for a die-casting machine, wherein the mounting plate has a dome-shaped cavity, the base of which is in the second side of the mounting plate and is open and which tapers towards the centroid of the receiving openings on the first side. The present invention further relates to a die-casting machine having such a mounting plate.

INJECTION MOLDING APPARATUS AND METHOD OF INJECTION MOLDING
20190337206 · 2019-11-07 ·

An injection molding apparatus and a method of injection molding are disclosed. The injection molding apparatus includes a mold sub-platen assembly having a first sub-platen that is attachable to a stationary side portion of a mold base which is mountable to a stationary platen of an injection molding machine. The mold sub-platen assembly also includes a second sub-platen that is attachable to a moving side portion of the mold base that is mountable to a moving platen of the injection molding machine. The method includes attaching a set of guide pins to a mold sub-platen at locations that correspond to guide openings in a mold and installing the mold on the mold sub-platen such that the guide pins extend through guide openings in the first half of the mold and into guide openings in a second half of the mold.

Plastic molding apparatus and method with shaper module

An injection molding apparatus comprises a support base and a mold carrier removably mounted to the support base. The mold carrier includes a mounting plate with attachment features for engaging the support base. A mold with two mold plates is slidably mounted to the mounting 5 plate. A clamp is operable to move the plates between open and closed positions. In the closed position, the plates abut one another. In the open position, the plates are spaced apart for removing molded articles.

Mold for an injection molding machine

A mold for use with an injection molding machine includes a body having a surface and a ring protruding from the surface for aligning the body and a platen. The ring defines a right circular cylinder having a protruding end, the protruding end having subtracted therefrom a generally wedge-shaped portion, the protruding end forming a tapered end.

SHAPING MACHINE AND METHOD OF OPERATING A SHAPING MACHINE
20190275718 · 2019-09-12 ·

A shaping machine includes a stationary first mold mounting plate, a second mold mounting plate movable with respect to the first mold mounting plate, a tubular snorkel fixedly secured to the second mold mounting plate, and an injection unit for plasticizing and injecting a molding material. An abutment is designed so that, in the opened condition of the closing unit, the injection unit can be braced against the abutment, and so that, in a closed condition of the closing unit, the injection unit is freed from the abutment by the force action of the snorkel on the injection unit.

Movable platen support apparatus, movable platen, mold opening/closing apparatus and molding apparatus

The present invention provides a movable platen support apparatus which, with a linear guide having a minimum necessary load rating, can secure a sufficient traveling life of the linear guide and, in addition, can secure the rigidity of the linear guide which is necessary and sufficient taking into consideration a moment that acts on a movable platen. A movable platen support apparatus 40 according to the present invention includes a guide mechanism which movably engages a rail 41 extending on a frame 11 in the direction of movement of a movable platen 16, to which a movable mold 19 is to be mounted, and which movably supports the movable platen 16. The guide mechanism includes a linear guide 42 composed of blocks 42a to 42d arranged in a line, in which at least one of the blocks 42a to 42d, e.g. the blocks 42b, 42c, has a load rating which differs from the load rating(s) of the other block(s), e.g. the blocks 42a, 42d.

Injection molding apparatus

An injection molding apparatus includes a support that supports a molding die including an upper die and a lower die, and an injection unit that injects a molding material toward a cavity defined by the upper die and the lower die. In the state in which the molding die is supported by the support, the injection unit, the upper die, and the lower die are arranged sequentially from above in the vertical direction. The injection unit includes a rotating flat screw having a groove forming surface in which a groove is formed, a barrel having a flat screw facing surface facing the groove forming surface and having a communication hole into which the molding material flows, and a heater that heats a material supplied to the space between the groove forming surface and the flat screw facing surface, plasticizes at least part of the material through the rotation of the flat screw and the heat produced by the heater to produce the molding material, and delivers the molding material to the communication hole.