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With means to heat or cool

Subclass of:

425 - Plastic article or earthenware shaping or treating: apparatus

425542000 - FEMALE MOLD AND CHARGER TO SUPPLY FLUENT STOCK UNDER PRESSURE THERETO IN FLUID-TIGHT RELATIONSHIP (E.G., INJECTION MOLD, ETC.)

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
425549000 Including heated or cooled nozzle 46
425552000 Cooling means for female mold 13
425548000 Plural distinct means 11
425551000 Including heated or cooled material supply hopper 5
20130071510INJECTION DEVICE IN MOLDING MACHINE - A injection device in molding machine is capable of efficiently heating and melting a plurality of charged pellets in a short period of time, and injecting a melting resin with superior quality.03-21-2013
20120107445FORMING DIE ASSEMBLY FOR MICROCOMPONENTS - A forming die assembly for microcomponents includes a forming die, a plunger, and a punch. The forming die is formed with a cavity, a storage portion for storing a raw material with a metal powder and a binder having plasticity, and a punch hole that connects the cavity and the storage portion so as to form a gate therebetween. The plunger is formed so as to be slidably inserted into the storage portion and to fill the raw material stored in the storage portion into the cavity through the punch hole. The punch is slidably inserted into the plunger in the sliding direction of the plunger and opens and closes the gate by reciprocatory sliding. The punch closes the gate and compresses the raw material in the cavity into a green compact by sliding in the direction of the cavity.05-03-2012
20120107444FORMING DIE ASSEMBLY FOR MICROCOMPONENTS - A forming die assembly for microcomponents includes a forming die, a plunger, and a punch. The forming die is formed with an outer die, an inner die, a storage portion formed at the inner die, and a punch hole formed at the inner die. The inner die slidably inserted into the outer die forms a part of a cavity between the inner die and the outer die. The storage portion stores a raw material with a metal powder and a binder having plasticity. The punch hole connects the cavity and the storage portion and forms a gate therebetween. The plunger slidably inserted into the storage portion fills the raw material stored in the storage portion into the cavity through the punch hole. The punch is slidably inserted into the plunger, and it closes the gate and compresses the raw material in the cavity.05-03-2012
20100303950CROSS-LINKED THERMOPLASTIC POLYURETHANE/POLYUREA AND METHOD OF MAKING SAME - A process for forming a cross-linked thermoplastic polymer is disclosed herein. The cross-linked thermoplastic polymer is formed by heating a first mixture containing a thermoplastic urethane base material, a monomeric diisocyanate comprising between 1 to 10% of the total weight of the first mixture, and a second mixture of a first diamine and a second diamine comprising between 1 to 10% of the total weight of a total reaction product. The heated first mixture, which is flowable, is injected into at least one injection molding device, with the second mixture injected at predetermined intervals to create a homogeneous reaction product.12-02-2010
20100323056CROSS-LINKED THERMOPLASTIC POLYURETHANE/POLYUREA AND METHOD OF MAKING SAME - A process for forming a cross-linked thermoplastic polymer is disclosed herein. The cross-linked thermoplastic polymer is formed by heating a first mixture containing a thermoplastic urethane base material, a monomeric diisocyanate comprising between 1 to 10% of the total weight of the first mixture, and a second mixture of a first diamine and a second diamine comprising between 1 to 10% of the total weight of a total reaction product. The heated first mixture, which is flowable, is injected into at least one injection molding device, with the second mixture injected at predetermined intervals to create a homogeneous reaction product.12-23-2010
425550000 Including heated or cooled plasticizer 1
20100028482Injection Molding Machine and Heat-Insulating Structure of Barrel Thereof - This invention discloses an injection molding machine and a heat-insulating structure of a barrel thereof. The heat-insulating structure covers the barrel of the injection molding machine. The heat-insulating structure includes a plurality of heat-insulating units and a plurality of heat-resistant interlinings. The heat-insulating units are disposed on an outer surface of the barrel in turn along an axial direction of the barrel. The heat-resistant interlinings are located between the heat-insulating units and connect the heat-insulating units, respectively. Each heat-insulating unit includes a heat-resistant layer, a heat-insulating material layer, and an insulating layer in turn. The heat-resistant layer covers the outer surface of the barrel of the injection molding machine.02-04-2010
Entries
DocumentTitleDate
20130209603INJECTION MOLDING MACHINE - An injection molding machine for producing injection molded parts has an injecting station in which melt can be introduced into a cavity of a tool part. The cavity corresponds to the injection molded part. The injection molding machine has further stations in which the injection molded parts can be treated. The injection molded parts can be transported from one station to another station by way a transporting device. The transporting device has at least one transporting path that connects two stations. The injection molded parts are movable from one station to another station on the transporting path.08-15-2013
20100104685Device for processing elastomers and/or thermoplastics - A device for processing elastomers or thermoplastics has a distribution system that is disposed between a plasticizing unit and an injection-molding die for distribution of the material plasticized in the plasticizing unit. At least one nozzle is disposed on the distribution system, by way of which nozzle the plasticized elastomer can be injected into the cavity of the injection molding die. The at least one nozzle is attached outside the center on a rotating insert, in each instance, which insert is disposed in a recess in the distribution system.04-29-2010
20120225159MOLD APPARATUS - A mold apparatus used in injection molding of liquid silicone composition. The mold apparatus is made of several components aiding in the overall process. The mold apparatus has two main sections, a cold section to prevent the liquid silicone from curing and a heated section for curing the liquid silicone. The two sections are separated by a thermal insulating plate. The metering of the flow is achieved by an actuator providing linear movement of a valve pin position in the center of the flow path of the runnerless nozzle resting against a gate orifice. The runnerless nozzle is keep cooled with an annular heat pipe surrounding the body of the runnerless nozzle and circulating a liquid coolant at one end of the runnerless nozzle. The cavity block receive heat from an heating element incorporated in the cavity back plate. Heat is evenly distributed in the cavity block by vaporization.09-06-2012
20090252826INJECTION MOLDING MACHINE - An injection molding machine includes supporting plates, molds coupled to the supporting plates, and a coupling guide device to guide the coupling of the molds and the supporting plates. The coupling guide device includes a first coupling guide recess and a first coupling guide protrusion provided at center portions of the molds and the supporting plates so as to be coupled to each other, and a second coupling guide recess and a second coupling guide protrusion provided at the molds and the supporting plates, spaced apart from the first coupling guide recess and the first coupling guide protrusion, so as to be coupled to each other. The second coupling guide recess is formed lengthwise in a direction toward a periphery from the center portions of the molds and the supporting plates.10-08-2009
20090232930Disk Molding Mold, Mirror Surface Disk, and Method of Manufacturing Mirror Surface Disk - An object is to prevent a disk substrate from warping to thereby improve the quality of the disk substrate. A disk molding mold includes a first support plate; a first mirror surface disk attached to the first support plate; a second support plate; and a second mirror surface disk attached to the second support plate and facing the first mirror surface disk. At least one of the first and second mirror surface disks comprises a first plate, and a second plate disposed to surround at least a front surface of the first plate. The first plate comprises a temperature control flow passage (09-17-2009
20100055226HOT OR COLD RUNNER MANIFOLD - The invention relates to a manifold 03-04-2010
20120237631Hot-Runner System having Manifold Assembly Manufactured in Accordance with Free-Form-Fabrication - A hot-runner system (09-20-2012
20110287128INJECTION MOLD - An injection mold includes a mold body and an open-loop water channel. The mold body includes a molding surface and a number of side surfaces surrounding the molding surface, and a number of mold cavities defined in the molding surface. The water channel is defined in the mold body. An open end of the open-loop water channel serves as an inlet. The other open end of the open-loop water channel serves as an outlet. The inlet is configured for introducing water into the water channel. The outlet is configured for draining the water out of the water channel. Each of the inlet and the outlet extends through two different side surfaces. In addition, the inlet and the outlet are separated from each other by a base material of the mold body.11-24-2011
20110293773ELECTRICALLY DRIVEN MOLD CLAMPING UNIT ON AN INJECTION MOLDING MACHINE - The invention relates to a mold clamping unit on a plastic injection molding machine, the unit having a clamping mechanism for opening and closing an injection mold, the mechanism having a servo motor as the drive motor (12-01-2011
20120141626Mold Tool System having Manifold Body Including Uninterrupted Melt Channels - A mold-tool system is provided which includes a manifold body including an inlet assembly, a plurality of outlets spaced from the inlet assembly, and an uninterrupted melt channel associated with each outlet and extending between the inlet assembly and its associated outlets. Each melt channel may have a length which is substantially identical to the length of the other melt channels.06-07-2012
20100136160OVEN FOR THE THERMAL CONDITIONING OF PREFORMS, COMPRISING A VENTILATION PLENUM06-03-2010
20080292745Mold Structure and Method of Manufacture Thereof - Disclosed are a mold gate insert as well as a mold assembly and an injection molding machine incorporating such a mold gate insert. The mold gate insert comprises a base structure formed of a wear resistant material having a first thermal conductivity. The base structure defines a mold cavity, at least in part, a nozzle assembly alignment portion for aligning a nozzle assembly with respect to the base structure, and a gate for communication between the mold cavity and the nozzle assembly. The mold gate insert further comprises a heat dam being completely enclosed by the base structure. The heat dam is made of a material having a second thermal conductivity being less than the first thermal conductivity and arranged within the base structure in proximity to the nozzle assembly alignment portion such that the heat flow between the nozzle assembly and the base structure is impeded. Furthermore, a method of producing the mold gate insert is disclosed.11-27-2008
20090162473Neck Block Cooling - A neck block of a moulding tool for the production of a hollow body preform by means of injection moulding, wherein the neck block has a main body with a shaping surface which is adapted to the external contour of a neck portion of the hollow body preform to be produced and is provided to come into contact in the injection moulding operation with the neck portion of the hollow body preform, wherein furthermore there is provided at least one cooling passage for a cooling fluid which at least portion-wise extends substantially parallel to the shaping surface. The neck block is further provided with an inlet and an outlet and an inlet passage and an outlet passage which connect the inlet and the outlet respectively to the cooling passage. The cooling passage is arranged closer to the shaping surface than the inlet and the outlet. The cooling passage has at least one portion which extends substantially parallel to the shaping surface and which extends within the main body so that the walls thereof are formed by the main body, and a connecting portion which adjoins said portion and the walls of which are formed in part by the main body and in part by a closure element fitted onto the main body.06-25-2009
20090220634Injection Molding Apparatus with Replaceable Gate Insert - Injection molding apparatus has upper and lower mold halves that split along the center line of the parison cavity and the gate passage leading thereto. Each hot melt injection nozzle is received within a tubular insert cup having a reduced diameter tip that is seated within the gate passage. The cup is supported on the lower mold half so as to remain thereon as the upper mold half opens and closes the mold. The base end of each nozzle has a swivel ball and socket relationship with the manifold block which supplies it with hot melt, while the tip end of each injection nozzle is configured to permit swivelling within the insert cup as need be to accommodate dimensional changes that arise during non-uniform thermal expansion and contraction of different parts of the tooling.09-03-2009
20080317896Melt Balancing Element in a Manifold Melt Channel - A manifold of an injection molding apparatus includes a primary melt channel and secondary melt channels extending from the primary melt channel. A shear rod is disposed at the junction between the primary and secondary melt channels. The shear rod extends from the junction into the primary melt channel and is disposed substantially parallel to the longitudinal axis of the primary melt channel.12-25-2008
20110059201INJECTION MOLDING APPARATUS FOR HIGH-GLOSS PRODUCTS - An injection molding apparatus includes a first mold supported on a first fixed plate, a second mold assembled to and disassembled from the first mold and forming a cavity for injection molding, a third mold installed so as to be assembled to and disassembled from the second mold, a guide portion guiding the assembly and disassembly of the first, second, and third molds, and a heating and cooling portion heating the second molding when injecting resin for forming a product into the cavity formed as the first and second molds are assembled to each other and cooling the second mod when curing the resin injected into the cavity.03-10-2011
20100255143GAS-ASSISTED MOLD SURFACE HEATING SYSTEM - A gas-assisted mold surface heating system is disclosed, which comprise: an air supply, for providing air with a flow rate larger than 300 L/min; a heater, for heating air to a temperature higher than 400° C.; a mold, configured with a mold cavity, an inlet and an outlet; and an air storage tank; wherein, the inlet is connected to the heater through a pipeline for allowing the air from the air supply to flow into the cavity after being heated by the heater and thus to be for heating up the surface of the mold cavity while the heated air is being enabled to flow out of the cavity through the outlet and into the air storage tank. With the aforesaid system, surface temperature of the mold cavity can be raised to a point higher than a glass transmission point in a short period of time.10-07-2010
20090074905METHOD AND APPARATUS FOR RESIN TRANSFER MOLDING COMPOSITE PARTS - A composite fabrication apparatus which may include a first tooling die and a second tooling die movable with respect to each other; a temperature control system having induction coils disposed in thermal contact with the first tooling die and the second tooling die; a first die susceptor provided on the first tooling die and a second die susceptor provided on the second tooling die and connected to the induction coils; and a cooling system disposed in thermal contact with the first tooling die and the second tooling die. A resin transfer system delivers resin from a resin source to the tooling dies to allow resin transfer molding. A composite fabrication method is also disclosed.03-19-2009
20090169671INJECTION MOLDING MACHINE - Problem to be Solved An injection molding machine is provided which prevents, when molding a molding product, a molded part not to be used as a product to be integrally molded together with a molding product to be a product from being uselessly produced and improves production efficiency.07-02-2009
20090068306Moulding Device and Method - An injection-moulding device is disclosed, comprising at least first and second mould parts, defining a mould cavity, wherein at least one of the mould parts comprises heating means, for heating the mould part in the vicinity of a mould cavity surface, said heating means comprising an inductive coil having a plurality of windings and being powered by an oscillator. The mould part comprises a top member, at the mould cavity surface, and, beneath the top member, a carrier member comprising grooves for taking up said coil windings, wherein the top member resistivity is lower than 1.5*1003-12-2009
20110038980Hot Runner Including Nozzle-Support Structure - Disclosed is a hot runner (02-17-2011
20090324770Bottom Insert With Heat Insulation - A bottom insert for a mold cavity for the production of moldings of plastic material. The mold cavity has a main body with a hot side which has a recess for receiving molten plastic material under pressure and a cold side having a recess, the inside contour of which is intended to come into contact with the molding to be produced and to shape the outside contour thereof. A gate (12-31-2009
20100055225HEAT INSULATING MOLD, MOLD COMPONENT, MOLDING MACHINE, AND METHOD FOR MANUFACTURING HEAT INSULATING MOLD - An object is to shorten molding cycle and improve durability of a heat-insulating layer (03-04-2010
20080268088Mold Assembly Using Inserts - An injection molding machine is provided, including a nozzle assembly having a channel for conveying a fluid. At least one cavity insert is removably mounted within a cavity plate, the at least one cavity insert defining a mold cavity, and a first portion of a gate for communicating the fluid between the nozzle assembly and the mold cavity. A gate insert defines a receptacle for the nozzle assembly, and further defining a second portion of the gate. The gate insert is floatably retained between the nozzle assembly and the at least one cavity insert. Preferably, the gate insert is retained by a gate insert plate that is disposed between the cavity plate and the nozzle assembly.10-30-2008
20110256257METHOD OF MANUFACTURING A MOLD WITH CONFORMAL COOLING PASSAGES - A method of producing a conformal cooling passage in a part-producing mold, and a mold provided with such a conformal cooling passage. The conformal cooling passage is produced by creating a number of open channels in a molding surface of a mold of interest, the channels substantially conforming to the contour of the molding surface. A bridging weld formed from a plurality of connected weld beads is generated in each channel so as to span and seal each channel while enclosing an open passage in the bottom thereof. The remainder of each channel above its bridging weld is filled, such as by welding, and the area of each channel is subsequently shaped to conform with the contours of the molding surface surrounding that channel. A sub-surface conformal cooling passage is thus formed in the mold.10-20-2011
20100330225CONTINUOUS MOLDING MACHINE POST-MOLDING DEVICE - Disclosed, amongst other things, is a first aspect of the present invention, there is provided a continuous molding machine (12-30-2010
20110135779Mold-Tool System having Manifold Body Defining Uninterrupted Melt Channels - A mold-tool system comprising: a manifold assembly, including: a manifold body defining: an inlet assembly; outlets being set apart from the inlet assembly; and uninterrupted melt channels extending between the inlet assembly and the outlets.06-09-2011
20110183030Hot-Runner System having Nano-Structured Material - Disclosed is a hot-runner system of an injection molding system, the hot-runner system comprising a hot-runner component, including: a material, and a nano-structured material being combined with the material.07-28-2011
20100159061COAXIAL COOLING/HEATING COIL STRUCTURE AND THE MOLD CONFIGURED WITH THE SAME - The present invention relates to a coaxial cooling/heating coil structure and a mold configured with the same, in which the coaxial cooling/heating coil is comprised of: a frame, configured with a cooling channel having an inlet, provided for a cooling water to flow therein, and an outlet, provided for discharging the cooling water therefrom; and a heat-conducting coil, disposed inside the cooling channel. The coaxial cooling/heating structure is fitted to a mold to be used for enhancing the preheating efficiency of the mold while improving the time required for cooling the mold.06-24-2010
20120034332HOT-RUNNER SYSTEM HAVING BLADDER ASSEMBLY - A hot-runner system (02-09-2012
20110305789SYSTEM FOR POST-TREATING AND TRANSFERRING PREFORMS - A system for the post-treatment of preforms (12-15-2011
20120040043Modular Manifold System - A modular manifold system 02-16-2012
20120045536COUPLING APPARATUS AND METHOD - An injection molding system comprising an actuator, a mounting plate, a mold and a manifold mounted between the mounting plate and the mold, the mounting plate being removably coupled to the mold, a valve pin comprising a pin stem and a pin connector; the actuator housing being mounted on or within the mounting plate for radial movement upon decoupling of the actuator housing from the mounting plate.02-23-2012
20100183761MOLD FOR THERMOPLASTIC RESIN MOLDING, CAVITY MOLD, AND PROCESS FOR PRODUCING THE CAVITY MOLD - A process for producing a heat-insulating cavity mold, characterized by producing two members, i.e., a metallic surface layer member (07-22-2010
20120219662CAVITY INSERT FILM FLOW COOLING - A cavity insert for a mold stack is disclosed, the cavity insert being dimensioned to define a continuous annular cavity insert cooling chamber. The cavity insert also provides a first and second decompression chamber in fluid communication with each end of the cavity insert cooling chamber. Also disclosed is a chamber extension feature in fluid communication with the cavity insert cooling chamber to promote cooling in the downstream region of the cavity insert.08-30-2012
20100272849Melt Channel Geometries for an Injection Molding System - An injection molding system is disclosed that utilizes a melt channel wherein at least a portion of the melt channel has a noncircular cross-section for balancing shear in a melt stream of moldable material that flows therethrough. The noncircular cross-section of the melt channel portion may be, for e.g., capsule-shaped, extended egg-shaped, oval, teardrop-shaped, or peanut-shaped. A flow splitter is also disclosed that is positioned offset from a central axis of an upstream melt channel to protrude between inlets of respective downstream melt channels, where the upstream melt channel splits into the downstream melt channels, to thereby create a narrower inlet into one of the downstream melt channels and a wider inlet into the other of the downstream melt channels.10-28-2010
20120231110CONTINUOUS ROTARY INJECTION MOLDING MACHINE - A continuous rotary injection molding machine, comprising a continuous extrusion-type injection system, having an injection nozzle arranged downwards; a plurality of first injection runners, arranged horizontally, the injection nozzle of the injection system is located at a junction of the plurality of first injection runners; heating members, arranged around the plurality of first injection runners; plural groups of molding molds, arranged under the first injection runners; a plurality of second injection runners, arranged between the first injection runners and the mold cavities; and a plurality of injection switches, arranged on either the first injection runners or the second injection runners.09-13-2012
20120258192Hot Runner for Multi-Cavity Injection Mold - The present invention is a hot runner which is easier and less expensive to manufacture and which has increased capacity. The hot runner is particularly well suited for use with multi-cavity molds. The improved hot runner includes a substantially flat main body having a main melt inlet formed in a center of the main body and a plurality of drops formed in the main body. A plurality of linear distribution channels is formed in the main body with each linear distribution channel intersecting a plurality of drops. The hot runner further includes a plurality of melt channels formed in the main body and communicating with the main melt inlet and the linear distribution channels.10-11-2012
20120263820COOLING SLEEVE WITH SUPPORT ELEMENT - A cooling sleeve for receiving a preform comprising a receiving cavity having a receiving opening so that a preform can be inserted into the receiving cavity, and a fluid passage arranged so that when the receiving opening is closed a fluid can be introduced into or removed from the receiving cavity by way of the fluid passage, wherein the cooling sleeve extends along a longitudinal axis and the fluid passage has a passage opening which is arranged near the longitudinal axis and which is arranged opposite the receiving opening. The cooling sleeve allows accelerated cooling of the sprue region of the preform without corresponding noses or markings being formed at the outside of the preform. Arranged in the fluid passage in the region of the passage opening is a support element having a support surface for contacting the preform when the preform is inserted into the cooling sleeve.10-18-2012
20120231109ACTUATOR MOUNT SYSTEM - A system for mounting an injection molding system actuator to a manifold and a clamp plate comprising: 09-13-2012
20120231108ACTUATOR MOUNT SYSTEM - In an injection molding apparatus comprising a clamp plate, a heated manifold and a mold, a system for mounting an actuator to the manifold and the clamp plate, the system comprising: 09-13-2012
20100040723Hot Runner having Ruduced Valve-Stem Drool - Disclosed is a valve-gated hot-runner system, having: (i) a back-up sealing arrangement, including: (i) a plurality of radial gaps associated with a valve stem of a valve actuator, and (ii) a cooling system being positioned relative to the plurality of radial gaps, the cooling system being configured to freeze a drool being made to enter, under pressure, into the plurality of radial gaps, so that the drool that becomes frozen substantially reduces flow of the drool along the valve stem and toward the valve actuator.02-18-2010
20110236526SYSTEM FOR INJECTING A THERMOPLASTIC MATERIAL - The disclosure relates to a system for injecting a thermoplastic material in the fluid state, including: a dispenser adapted to be maintained at an injection temperature higher than the temperature limit at which the material is in a fluid state; an injection nozzle defining at least one portion of a transition passage; a stopper mounted inside the transition passage so as to slide between a blocking position and an opening position thereof; and control means for alternately sliding the stopper, wherein the control means comprises a jack with a rod parallel to the sliding direction of the stopper, and which is secured in an offset manner on the dispenser via a flattened beam, and a lever arranged so as to tilt about an axis so as to transmit the movements of the jack rod to the stopper.09-29-2011
20110159139HEATING APPARATUS FOR FLUID FLOW CHANNEL - Apparatus for heating a fluid being injected in an injection molding system, the apparatus comprising a mold having a cavity, a fluid flow distribution manifold, a fluid flow channel body, a coiled heater tube comprised of a thermally conductive wall, a heater device disposed within the coiled tube; the coiled tube having an upstream, downstream and intermediate coiled portions, the upstream and downstream coiled portions of the coiled tube being selectively movable away from each other along the coil axis to cause the intermediate coiled portion of the coiled tube to stretch or extend in coil axial length.06-30-2011
20100034920Melt Transfer Components for a Stack Molding System - A stack molding apparatus is disclosed having a stationary mold platen and a movable mold platen defining a parting line. The apparatus has a melt transfer nozzle extending within a well in the stationary mold platen, the melt transfer nozzle defining a melt channel for receiving and transporting a melt stream. The apparatus also includes a melt transfer component having a spigot portion, a melt channel and an aperture in a sealing surface thereof, wherein the melt transfer component is fixedly attached to the stationary mold platen such that the sealing surface defines a portion of the parting line. The spigot portion is slidably fit within the melt channel of the melt transfer nozzle so that the melt channels are in fluid communication. When the stack molding apparatus is brought to an operating temperature, the melt transfer nozzle slides over the spigot portion to accommodate thermal expansion.02-11-2010
20080254162Electroformed mold and manufacturing method therefor - It includes an electroformed shell 10-16-2008
20130177666Mold-Tool System Including Air Cavity Circuit, and Means for Forcing Relatively Cooler Air Stream to Air Cavity Circuit - A mold-tool system (07-11-2013
20120003350SYSTEM FOR THE INJECTION MOULDING OF PLASTIC MATERIAL, PARTICULARLY SUITABLE FOR BEING ASSOCIATED WITH A BLOWING UNIT OF THE MOULDED PLASTIC MATERIAL - An injection moulding system (01-05-2012

Patent applications in class With means to heat or cool

Patent applications in all subclasses With means to heat or cool