Abstract: A molding method includes providing a molding device, wherein the molding device includes a mold cavity, a feeding port in communication with the mold cavity, and a junction point in connection with the mold cavity; engaging an outlet of an injector to the feeding port; injecting a molding material including a blowing agent into the mold cavity from the feeding port by the injector; and injecting a gas into the mold cavity through the junction point to increase a pressure inside the mold cavity to a predetermined pressure for maintaining the blowing agent in a supercritical state.

Abstract: An injection-molding system includes an extruding system configured to produce a mixture; a discharging channel communicable with the extruding system and including an outlet configured to discharge the mixture; and molding devices configured to receive the mixture. Each of the molding devices includes a hollow space, and a feeding port communicable with the hollow space and engageable with the outlet. An injection-molding method includes providing an extruding system configured to produce a mixture, a discharging channel including an outlet, and first and second molding devices; engaging the outlet with the first molding device; injecting the mixture into the first molding device; disengaging the outlet from the first molding device; moving the discharging channel away from the first molding device and toward the second molding device; engaging the outlet with the second molding device; injecting the mixture into the second molding device; and disengaging the outlet from the second molding device.

Abstract: A main technical feature of a method for molding and forming a flip-flop and a mold thereof provided by the invention is that when a polymer raw material is filled into a mold chamber space of the mold, the filled raw material is preferentially flowed in a direction of a strap area space used to mold a V-shaped strap portion of the flip-flop to ensure that the slender V-shaped strap portion of the flip-flop can be integrally formed.

Abstract: A main technical feature of a method for molding and forming a flip-flop and a mold thereof provided by the invention is that when a polymer raw material is filled into a mold chamber space of the mold, the filled raw material is preferentially flowed in a direction of a strap area space used to mold a V-shaped strap portion of the flip-flop to ensure that the slender V-shaped strap portion of the flip-flop can be integrally formed.

Abstract: An injection-molding method includes providing an extruding system configured to produce a mixture, a first discharging channel including a first outlet, a second discharging channel including a second outlet, and a molding device including a space and first and second feeding ports communicable with the space and respectively engageable with the first and second outlets; engaging the first outlet with the first feeding port; engaging the second outlet with the second feeding port; injecting the mixture through the first outlet and the first feeding port; and injecting the mixture through the second outlet and the second feeding port.

Abstract: An article includes a foamed member including a polymeric material, and a core embedded in the foamed member, the core includes a first surface, a second surface and a sidewall, the foamed member covers at least a portion of the first surface, and covers the entire sidewall and the entire second surface. A method of manufacturing an article includes providing a molding device including a first mold and a second mold, the first mold includes a supporting member protruded from an inner wall. The method further includes disposing a core on the supporting member; disposing the second mold over the first mold to form a mold cavity, the core is disposed within the mold cavity; injecting a first material into the mold cavity; and foaming the first material to form a first foamed member, wherein at least a portion of the first foamed member is in contact with the core.

Abstract: A molding device and an injection molding method thereof are provided. The molding device includes a first mold, a second mold and a sealing ring. The first mold includes a first body and at least one slide. The at least one slide is movably and detachably disposed on the first body, and has an undercut. The injection molding method includes operations of: engaging the first mold with the second mold of the molding device; filling a mold cavity defined by the first mold and the second mold with a gas, wherein the gas is blocked by the sealing ring disposed between the first mold and the second mold; injecting a molding material into the mold cavity; and opening the first mold and the second mold of the molding device.

Abstract: An injection molding method includes providing a molding device including a first mold, a second mold over the first mold and a first mold cavity defined by the first mold and the second mold; injecting a first material into the first mold cavity; forming a first layer from the first material; replacing the second mold by a third mold, injecting a second material into a second mold cavity defined by the first mold and the third mold; and forming a second layer from the second material, wherein the second layer at least partially contacts the first layer. The first material is same as the second material.

Abstract: An injection molding system includes an extruding system. The extruding system includes a mixing unit configured to receive the polymeric material from the melting unit and configured to mix a polymeric material with a blowing agent and to form a mixture, wherein the mixing unit includes a mixing rotor disposed in a hollow mixing cartridge, and a ratio of a shortest distance between an inner sidewall of the hollow mixing cartridge and the mixing rotor to a diameter of the mixing rotor is in a range of 1:1500 to 1:4500. The injection molding system further includes a discharging channel communicable with the extruding system, a molding device configured to receive the mixture from the discharging channel, and a supporting device configured to facilitate an engagement of the discharging channel and the molding device, the supporting device includes a first element protrudes from the extruding system and a second element disposed on the molding device.

Abstract: An injection-molding method includes providing an extruding system configured to produce a mixture, a first discharging channel including a first outlet, a second discharging channel including a second outlet, and a molding device including a space and first and second feeding ports communicable with the space and respectively engageable with the first and second outlets; engaging the first outlet with the first feeding port; engaging the second outlet with the second feeding port; injecting the mixture through the first outlet and the first feeding port; and injecting the mixture through the second outlet and the second feeding port.

Abstract: A molding method includes providing a molding device, wherein the molding device includes a mold cavity, a feeding port in communication with the mold cavity, and a junction point in connection with the mold cavity; engaging an outlet of an injector to the feeding port; injecting a molding material including a blowing agent into the mold cavity from the feeding port by the injector; and injecting a gas into the mold cavity through the junction point to increase a pressure inside the mold cavity to a predetermined pressure for maintaining the blowing agent in a supercritical state.

Abstract: A processing method for molding a foamed polymer, which includes molding a mixture of a polymer material and a foaming agent in a space of a mould chamber into a molded article having a predetermined shape. The shape of the entire space of the mould chamber is an injection molding shape that is different from the shape of the molded article before the mould chamber is fully filled with the mixture, and a shape of at least one local part of the mould chamber is changed after the space of the mould chamber is fully filled with the mixture. An exterior peripheral surface of a substrate of a movable portion and an adjustment end face are located in a center portion of a first mould surface and are spaced apart from all outer edges of the first mould surface.

Abstract: An injection-molding system includes an extruding system configured to produce a mixture; discharging channels communicable with the extruding system, wherein each of the discharging channels includes an outlet; and a molding device configured to receive the mixture from the outlets and including a space and feeding ports correspondingly engageable with the outlets. An injection-molding method includes providing an extruding system configured to produce a mixture, a first discharging channel including a first outlet, a second discharging channel including a second outlet, and a molding device including a space and first and second feeding ports communicable with the space and respectively engageable with the first and second outlets; engaging the first outlet with the first feeding port; engaging the second outlet with the second feeding port; injecting the mixture through the first outlet and the first feeding port; and injecting the mixture through the second outlet and the second feeding port.

Abstract: A handle device is configured for a chassis body. The chassis body includes a main part and a cover plate. The handle device includes a base part and a handle part. The base part is disposed on the cover plate. The handle part includes an operative part, a coupling part and a shaft part. The coupling part is connected to the operative part. The shaft part is connected to the coupling part. The coupling part of the handle part is pivotally coupled to the base part. The shaft part is rotatably disposed on the main part. The handle part is movable relative to the base part so as to disengage the cover plate from the main part.

Abstract: An extruding system includes a mixing unit configured to mix a polymeric material with a blowing agent and to form a mixture, and an injection unit coupled to the mixing unit and configured to inject the mixture. The mixing unit includes a mixing cartridge, a first mixing screw and a second mixing screw, the first and second mixing screws are disposed in the mixing cartridge. A method of extruding a mixture includes mixing a polymeric material and a blowing agent in a mixing cartridge of a mixing unit by at least one of a first and second mixing screws to form the mixture; conveying the mixture from the mixing unit to an injection unit; and discharging the mixture from the injection unit into a molding device. The mixture is sequentially in contact with the first mixing screw and the second mixing screw.

Abstract: An injection molding system includes an injection station, a molding device, and a plunger. The injection station includes a platform including an opening and an injector over the platform. The molding device is disposed between the platform and the injector and over the opening, wherein the molding device includes a mold cavity and a clamping unit for clamping the molding device. The plunger under the platform, wherein the plunger includes a base and a rod extendable through the opening toward the molding device and retractable toward the base. An injection molding method includes conveying a molding device to an injection station and disposing the molding device between an injector and a platform; disposing a plunger under the platform; moving the injector towards the molding device; applying a plunging force on the molding device by extending the rod through the opening; and injecting a molding material into a mold cavity.

Abstract: The invention provides a valve disposed in a fluid supply path to control opening or closing of the supply path, configured to comprise, as components of the supply path, an inflow channel, a second channel, a first channel, and an outflow channel that are in communication with each other in sequence, in such a manner that fluid from a supply source entering the inflow channel passes through the second channel and the first channel in sequence and then flows out through the outflow channel. The valve further comprises a first valve piece and a second valve piece disposed movably in the first channel and the second channel respectively. Blocking or unblocking of the communication between the first channel and the outflow channel is controlled by movement of the first valve piece in the first channel, while blocking or unblocking of the communication between the inflow channel and the first channel via the second channel is controlled by movement of the second valve in the second channel.

Abstract: An injection molding method includes providing a molding device including a first mold, a second mold over the first mold and a first mold cavity defined by the first mold and the second mold; injecting a first material into the first mold cavity; forming a first layer from the first material; replacing the second mold by a third mold; injecting a second material into a second mold cavity defined by the first mold and the third mold; and forming a second layer from the second material disposed over the first layer, wherein the first material is different from the second material.

Abstract: A molding method includes providing a molding device, wherein the molding device includes a first mold and a second mold corresponding to the first mold; moving the first mold towards the second mold to form a first mold cavity; supplying a gas to the first mold cavity; injecting a material into the first mold cavity; and moving the first mold away from the second mold to form a second mold cavity and discharge at least a portion of the gas out of the molding device, wherein a first volume of the first mold cavity is substantially less than a second volume of the second mold cavity.

Abstract: A handle device is configured for a chassis body. The chassis body includes a main part and a cover plate. The handle device includes a base part and a handle part. The base part is disposed on the cover plate. The handle part includes an operative part, a coupling part and a shaft part. The coupling part is connected to the operative part. The shaft part is connected to the coupling part. The coupling part of the handle part is pivotally coupled to the base part. The shaft part is rotatably disposed on the main part. The handle part is movable relative to the base part so as to disengage the cover plate from the main part.