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Introducing Material Under Pressure Into A Closed Mold Cavity (e.g., Injection Molding, Etc.)

Introducing Material Under Pressure Into A Closed Mold Cavity (e.g., Injection Molding, Etc.) patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

Related Categories:

Plastic And Nonmetallic Article Shaping Or Treating: Processes


Mechanical Shaping Or Molding To Form Or Reform Shaped Article > Shaping Against Forming Surface (e.g., Casting, Die Shaping, Etc.) > Applying Heat Or Pressure > Introducing Material Under Pressure Into A Closed Mold Cavity (e.g., Injection Molding, Etc.)



Injection molding
12/11/14 - 20140361462 - In an injection molding process, the mold parts can be moved relative to each other (separation of the mold parts shown as line 50). Injection starts as the mold parts are being moved towards each other (injection pressure shown as line 60). The movement of the mold parts stops briefly...

Tooling concepts for reducing sink and improving as-molded cosmetics and drawings
11/20/14 - 20140339736 - The described embodiments relate generally to improvements to injection molding equipment. More specifically, concepts for reducing sink and improving cosmetics of portions of injection molded parts in close proximity to gate areas of an injection mold are disclosed. A cold runner system is described in which molding material disposed in...

Non-coaxially mounted electric actuator and transmission
10/30/14 - 20140319729 - an electric actuator comprising an electric motor comprised of a motor housing that houses a drive shaft having a drive gear and a drive axis, a transmission comprised of a gear shaft, the drive gear and the transmission gear being drivably interconnected and arranged such that the drive axis and...

Casing, electronic apparatus, and method and machine for forming casing
10/30/14 - 20140319730 - A casing includes a first casing and a second casing that sandwich an elastic member, wherein the first casing includes a pressed portion that is pressed by the elastic member, and an engaging portion adjacent to the pressed portion that has a flange protruding toward the pressed portion that engages...

Method for making a light handle cover
09/11/14 - 20140252680 - A method of making a light handle cover including providing a first mold tool and a second mold tool. The first mold tool engages with the second mold tool to form a mold cavity. The mold cavity is injected with a moldable material. The light handle cover is formed as...

In-mold decoration molding method and in-mold decoration molding machine
08/28/14 - 20140239550 - The surfaces of a decorated sheet are tilted with respect to a parting face before a movement of a clamping member. When the clamping member moves to press the decorated sheet under tension to the parting face, a part of the clamping member first comes into contact with the decorated...

Moulding methods and apparatus
08/07/14 - 20140217645 - Valves (110) and other apparatus, methods of moulding and moulds (112) are provided for the moulding of materials such as injection or injection-compression moulding of molten thermoplastic materials. The valve includes a valve element/piston (126) that is orientated at 60 degrees relative to the mould's bounding wall (116) and that...

Methods of injection molding an article
07/03/14 - 20140183788 - Embodiments of the invention relate to injection mold components, assemblies, and molding system that include superhard materials. Such injection mold components, assemblies, and systems may decrease wear of certain injection mold components, which may result in improved productivity of the injection mold and molding systems that utilize such components....

Safety and clamping device for an apparatus for fabricating parts
06/19/14 - 20140167323 - An apparatus of the present invention presents a housing for engaging a mold device that includes a top plate having a top mold and a bottom plate having a bottom mold. The top plate presents side edges presenting a plurality of male elements extending therefrom. A top portion of the...

Molding apparatus
06/05/14 - 20140151929 - An in-mold shutter (140) for embedding in an injection mold (100, 200, 300) is described herein. The in-mold shutter (140, 240, 340, 440, 540) includes a shutter actuator (148, 548) that is configured to selectively engage a first mold shoe (130) of the injection mold (100, 200, 300) with a...

Rotary knob assembly
06/05/14 - 20140151930 - A rotary knob assembly and methods for forming and controlling friction effecting features of the knob assembly are disclosed. The knob assembly includes a mounting structure and a knob. The knob is rotatably coupled to a bezel of the mounting structure. The knob includes a stabilizer, a guide member, and...

Injection molding method
06/05/14 - 20140151931 - A process for forming a product by injection molding....

Method of molding boot for constant velocity joint
05/29/14 - 20140145372 - A method of molding a boot for a constant velocity joint includes: molding a compact by injection molding; raising split dies of an inner die so as to separate the split dies from a set ring; raising a core shaft of the inner die so as to separate the core...

Methods of injection molding
05/29/14 - 20140145373 - Embodiments relate to injection mold assemblies that include superhard materials, such as polycrystalline diamond compacts (“PDCs”), and related injection mold presses, components, and methods. The superhard materials are positioned to define at least a portion of a mold cavity for injection molding. Superhard materials may be fully or partially encapsulated...

Process for the preparation of nitrile rubbers
05/08/14 - 20140124986 - Process for the preparation of a nitrile rubber comprising: —subjecting at least one α,β-unsaturated nitrile, at least one conjugated diene and, optionally, one or more further copolymerizable monomers, to emulsion polymerization, in the presence of at least one alkyl thiol containing from 12 to 16 carbon atoms and at least...

Wear resistant assembly for contacting components of mold-tool system
03/27/14 - 20140084513 - A mold-tool system (10), comprising: a first component (12) defining a first passageway (13) configured to convey, in use, a flowable molding material; a second component (14) defining a second passageway (15) configured to: (i) be in fluid communication with the first passageway (13), and (ii) convey, in use, the...

Injection molding process
03/20/14 - 20140077416 - A controller (501) is described herein that includes instructions (512) that are embodied in a controller-usable memory (510) of the controller (501), the instructions (512) for directing the controller (501) to execute a process (1000) of injection molding a first molded article (102A) using an injection mold (100, 200, 300,...

Injection molding device comprising a slide
03/06/14 - 20140061973 - A device and method for molding a plastic component, comprising a slide movable in a translational movement between a position in which the slide is open and a position in which the slide is closed, the slide comprising a cold runner opening into the molding cavity and the device comprising...

Mold for footwear with sipes and method of manufacturing same
01/16/14 - 20140015169 - A mold used to form a midsole for an article of footwear and a method of manufacturing are disclosed. The mold includes a first portion and a second portion cooperating to define a midsole recess, the first portion including a major recess and plurality of wall segments extending throughout the...

Manufacturing method of resin molding mold, resin molding mold, resin molding mold set, manufacturing method of microchip substrate, and manufacturing method of microchip using said mold
12/26/13 - 20130341834 - A method for producing a resin molding die (13) for molding a first substrate (2) having a flow path (2b) and a through-hole (2a), wherein a base die (10) having a concave part (10b) corresponding to the flow path (2b) and a through-hole (10a) corresponding to through-hole (2a) and deeper...

Polyamides and methods of making and using same
12/12/13 - 20130328244 - Polyamides, and methods of making and using polyamides, that have a difference between melting temperature (Tm) and crystallization temperature (Tc) of at most 20° C. are disclosed herein. Such polyamides can exhibit exceptionally fast crystallization kinetics making them suitable for use as engineering thermoplastics in melt processing methods such as...

Injection mould product ejection apparatus and method
12/12/13 - 20130328245 - An injection mould product ejection apparatus comprising: an ejection element; and a displacing member for displacing the ejection element between a retracted moulding position and a first extended ejection position; wherein, the ejection element is an ejection assembly and comprises: a) an inner ejection sub-assembly, and b) an outer ejection...

Mold clamping device and molded product ejecting method
11/21/13 - 20130307190 - Provided is a mold clamping device that saves a space, has a light machine weight and requires low manufacturing cost in an injection molding machine, a diecast machine, and the like. The mold clamping device includes: a stationary platen having a stationary mold; a movable platen having a movable mold;...

Plastic injection mould with inner air extraction and extraction method for extracting the air carried out with said mould
08/29/13 - 20130221574 - A plastic injection mold which allows extracting the air from inside it during the injection process, and an extraction method, where the mold includes closing means, one or more injection cavities provided with at least one injection nozzle for introducing the hot material in a liquid state and at least...

Tetrafluoroethylene copolymer composition for injection molding
06/27/13 - 20130161873 - A tetrafluoroethylene copolymer composition for injection molding having excellent resistance to chemical permeation and durability, comprised of polytetrafluoroethylene and copolymer of tetrafluoroethylene and perfluoro(alkyl vinyl ether). The composition has a melt flow rate of 12 g/10 min or greater, a flex life of 20,000 cycles or greater, and a nitrogen...

Connector enabling increased density of contacts
05/23/13 - 20130127091 - A plurality of contacts are arranged in a first direction along a side wall of a housing. The housing has a plurality of ribs projecting in a second direction from the side wall and interposed between the contacts, respectively. Each rib has a tapered portion adjacent to the side wall....

Picking tool
04/25/13 - 20130099420 - Disclosed herein is, amongst other things, a picking tool (200, 300) for use in a post-mold picking device (132) of an injection molding system (100) and a related method of post-mold handling a molded article (10) therewith. The picking tool (200, 300) includes a picker (240, 340) that is configured...

Method and apparatus for substantially constant pressure injection molding of thinwall parts
03/21/13 - 20130069280 - A substantially constant pressure injection molding method and machine that forms molded parts by injecting molten thermoplastic material into a mold cavity at a substantially constant pressures. As a result, the mold cavity is filled with molten thermoplastic material by advancing a continuous flow front of thermoplastic material from a...

Device for manufacturing a composite part by resin injection moulding
03/21/13 - 20130069281 - A device for manufacturing a part in composite material by resin transfer moulding and method is provided according to the present disclosure. The device includes a manufacturing mould in which at least one preform is intended to be arranged of the part intended to be impregnated with resin during a...

Method for manufacturing three-dimensionally shaped object, three-dimensionally shaped object obtained thereby, and method for manufacturing molded article
03/21/13 - 20130069282 - There is provided a method for manufacturing a three-dimensional shaped object, the method comprising the repeated steps of: (i) forming a solidified layer by irradiating a predetermined portion of a powder layer with a light beam, thereby allowing a sintering of the powder in the predetermined portion or a melting...

Plastic injection product manufacturing system and method
03/14/13 - 20130062813 - A plastic injection product manufacturing system includes a forming machine, a PLC module, an oil output module, an oil vat, and a cutter. The forming machine includes a mold cavity for forming a plastic injection product. The mold cavity defines a gate for receiving molten plastic material. The PLC module...

Injection molding apparatus
02/07/13 - 20130032972 - The injection molding employing a mold that includes a molding surface in which a pin hole is formed, and at least one ejector pin that is inserted through the pin hole and that includes an outer peripheral surface facing an inner peripheral surface of the pin hole; includes closing a...

Hybrid injection actuator for an injection molding machine
01/03/13 - 20130001829 - An extruder unit (22) for an injection molding system (20) includes a piston (48), slidably located within a piston chamber (42), and is movable between a retracted position and an extended position. The piston (48) is further adapted to rotatably mount a screw (30). A motor assembly (36) is mounted...

Non-naturally balanced feed system for an injection molding apparatus
11/22/12 - 20120292823 - A low constant pressure injection molding machine forms molded parts by injecting molten thermoplastic material into a mold cavity at low constant pressures of 6,000 psi and lower. As a result, the low constant pressure injection molding machine includes a mold formed of easily machineable material that is less costly...

Method of molding a microneedle
11/08/12 - 20120280428 - A method of molding a microneedle including providing a mold apparatus having a mold insert having the negative image of at least one microneedle, a compression core, a mold housing configured to allow a reciprocal motion between the mold insert and the compression core. The method includes placing the mold...

Injection mold for washing machine diaphragms
10/11/12 - 20120256350 - Disclosed is an injection mold for washing machine diaphragms wherein the operations of an uppermost first slide core to support the upper part of a first step of a diaphragm manufactured in a cavity and a cam core to support the lower part of a second step of the manufactured...

Hidden parting line mold and hidden parting line molding technique using associated part removal device
09/27/12 - 20120242004 - An injection mold and a cooperating molding system and method that allows for the parting line of a molded vehicle bumper fascia to be hidden within the wheel arch portion thereof. The invention contemplates two different mold designs for producing such a parting line: a double-lifter design and a collapsing...

Injection method for hollow products, its fusible core and the method for making the fusible core thereof
09/13/12 - 20120228801 - An injection method for hollow products, a fusible core and the method for making the fusible core comprises putting a fusible Sn—Bi alloy core into a mold core, then both the product and the fusible core are taken out from the die. The fusible core is turned from solid to...

Liquid crystal polyester composition and process for producing the same
08/30/12 - 20120217678 - The present invention provides a liquid crystal polyester composition, comprising (i) 100 parts by weight of a liquid crystal polyester, and (ii) 65 to 100 parts by weight of a combination of a fibrous filler with a plate-like filler, wherein the fibrous filler has a number-average fiber diameter of 5...

Injection device and resin injection method
08/30/12 - 20120217679 - As an injection screw 2 applies pressure, a holding pressure plunger 22 is moved backward under the pressure of a resin to flow the resin into a holding pressure path 9, and the resin in a resin path 6 is pressurized (primary holding pressure process). A shutoff plunger 12 is...

Resin injection molding method
08/23/12 - 20120211921 - The resin injection molding method of the present invention is a method for molding resins inside a cavity formed within a mold. The method comprises injecting resins into the cavity through a plurality of paths installed so as to be openable and closable and optionally maintaining the resin inside the...

Mold and method for integrally manufacturing functional cored slab and solid slab with polygonal grid honeycomb structure
08/16/12 - 20120205836 - A mold and a method for integrally manufacturing a functional cored slab and a solid slab with a polygonal grid honeycomb structure. The mold for manufacturing the cored slab comprises a female mold and multiple male molds which are provided in the female mold. The male molds include polygonal cylinders...

Molding machines and methods of molding resin products
08/02/12 - 20120193834 - In one aspect of the present teachings, a molding machine includes an injection device and a mold. The injection device can inject molten resin. The mold is directly supported by the injection device and defines a cavity for receiving the molten resin injected by the injection device....

Injection molding method
07/26/12 - 20120187601 - An injection molding method includes: providing a mold core which defines a mold cavity, depositing a lubrication layer on an inner surface of the mold cavity, injecting plastic material into the mold cavity, and molding the plastic material into the plastic element....

Method and device for extracting vapors in an injection molding machine
07/12/12 - 20120175815 - The present invention relates to a method and to a device for extracting air in an injection molding device. The device comprises an extraction hood having a housing, in which one or more extraction ducts are provided, wherein the extraction hood can be disposed in the region of the injection...

Method for manufacturing an injection-molded article
07/12/12 - 20120175816 - The heat-insulating layer is preferably the one including a polyimide resin....

Hydrolytically stable polyamide
07/12/12 - 20120175817 - The invention relates to the use of polyamides on the basis of reaction products from at least one dimeric fatty acid, at least one aliphatic dicarboxylic acid having 6 to 24 C atoms and aliphatic, cycloaliphatic and/or polyether diamines, wherein the quantities of amine components are selected so that primarily...

Rigid semi-flexible polyurethane for structural applications
07/05/12 - 20120168986 - Disclosed is a blown rigid semi-flexible urethane material that is loaded by using a wide variety of filler materials which become encapsulated in the urethane matrix. Disclosed are sample formulation and material variations, possible products that can be manufactured from the material, and possible material processing options and methods of...

Die for molding cvj boot and process for molding the same
06/21/12 - 20120153540 - A die for manufacturing CVJ boot by injection molding includes a central core, and a plurality of divisional molds for molding an inner peripheral surface of the CVJ boot, respectively. The divisional molds move diametrically toward the central core. Moreover, the divisional molds not only approach one another diametrically, but...

Mechanism for a writing implement, a writing implement including such a mechanism, and a method of manufacture
06/21/12 - 20120153541 - A method of manufacturing a writing implement mechanism that includes a tubular element. The tubular element has a central axis and includes a first wall and a second wall which are fixed relative to each other. The second wall is offset towards the central axis relative to the first wall...

Molding method of injection molding machine
06/14/12 - 20120146260 - In performing molding by injecting and filling a resin by an injecting device with a predetermined injection pressure into a mold formed of a fixed mold and a movable mold clamped by a clamping device with a predetermined clamping force, at least a clamping device which enables natural compression of...

Visual control process for valve gates
05/17/12 - 20120119419 - The present invention is a system for electronically controlling the movement of a pin assembly used in a valve gate mechanism of an injection molding machine. The system of the present invention includes at least one valve which is part of an injection molding machine, as well as a graphical...

Thin container production method
03/15/12 - 20120061876 - The present invention provides a thin container production method capable of forming a thin container having a thickness of about 0.7 mm by injecting a molten resin of a polylactic acid into a narrow cavity. The production method according to the present invention produces a thin container W having a...

Injection-molding system including pressure-equalization circuit
03/08/12 - 20120056353 - An injection-molding machine (100), including: an air-open circuit (110); an air-closed circuit (112); and a pressure-equalization circuit (118) connecting with the air-open circuit (110) and the air-closed circuit (112), the pressure-equalization circuit (118) being configured to: (i) operate in a by-pass operation mode, in which the air pressure between the...

Injection mold for intake hose and intake hose production method using the same
12/29/11 - 20110316195 - An injection mold for an intake hose and an intake hose production method utilizes a main core removably dualized to automatically extract a molding-completed intake hose from the main core after injection molding is completed and an air supplying member supplying compressed air between the main core and the molding-completed...

Breakable mechanical connection between injection molding valve pin plate and valve pins
12/15/11 - 20110304075 - Breakable mechanical connections connect valve pins to an actuated valve pin plate of an injection molding apparatus. The valve pin plate can move the valve pins between opened positions and closed positions of associated mold gates. Each breakable mechanical connection can be independently or singularly destroyed or broken to free...

Molding apparatus
12/15/11 - 20110304076 - An in-mold shutter (140) for embedding in an injection mold (100, 200, 300) is described herein. The in-mold shutter (140, 240, 340, 440, 540) includes a shutter actuator (148, 548) that is configured to selectively engage a first mold shoe (130) of the injection mold (100, 200, 300) with a...

Core assembly for an injection moulding-machine
12/01/11 - 20110291327 - A core assembly for an injection moulding-machine. The assembly includes a movable mould half and a stationary mould half clamped onto each their platen of an injection moulding-machine . It also includes an actuator for advancing and retracting during operation at least one core into and from a mould cavity...

Injection molding flow control apparatus and method
12/01/11 - 20110291328 - an electrically powered actuator interconnected to and controllably driving the pin through the channel....

Method of manufacturing pipe with branch
11/24/11 - 20110285057 - The method comprises injecting a molten resin into a main cavity 4, which has on its one end a pressure port 2 provided with a floating core 1 and on its other end a first outlet 3, and a branch cavity 5, which communicates with the main cavity 4 and...

Moulding cannulae and small deep holes
10/20/11 - 20110254202 - The invention provides a mould for injection moulding articles from polymeric materials, the mould comprising at least two parts defining a cavity having a conduit portion incorporating a needle portion; a channel for liquid polymer ingress; a channel for pressurised fluid ingress; a core pin for defining the conduit of...

Method of manufacturing metallic decorative member
10/13/11 - 20110248426 - There is provided a method for manufacturing a metallic decorative member without a weld line at low cost including: starting injections of molten molding material into a cavity formed by a set of dies from a plurality of gates provided at the cavity; and stopping respectively the injections of the...

Mold motion control system for an injection molding machine
09/29/11 - 20110233823 - A method for injection molding comprises pre-positioning a clamp piston within a cylinder housing to a datum position axially intermediate a clamping position and an unclamped position, the clamp piston affixed to a tie bar, the clamp piston and cylinder housing cooperating to provide a clamp chamber and an unclamp...

Method of producing injection-molded article and mold for injection molding
08/11/11 - 20110193266 - An object of the present invention is to provide a method of producing an injection-molded article and a mold for injection molding, which can reliably effect control on a mold section on which a molded article should be left when a mold is opened, thus allow efficient automation of the...

Molding apparatus and molding method
07/14/11 - 20110169195 - Provided are a molding apparatus and a molding method. The molding apparatus a mold including a cavity and a runner. The molding apparatus may further include a pot connected to the runner of the mold, wherein a fluid resin is contained in the pot The molding apparatus may further include...

Injection molding device
06/23/11 - 20110147997 - Methods and devices for forming plastic molded products are provided herein. In one embodiment, a mold for forming plastic molded products includes a stripper plate, the stripper plate including an opening and a countersunk sleeve around the opening. The mold also includes a cavity plate positioned on the side of...

Polyester compositions with good melt rheological properties
06/23/11 - 20110147998 - Processes of making thermoplastic compositions comprising melt-mixing the hyperbranched polymers with one or more thermoplastic polymers and one or more fillers, preferably glass, such that the thermoplastic composition composition exhibits an increase in melt viscosity of less than 10% as measured between 5 minutes and 32 minutes hold up time...

Method for manufacturing micro-channel, die for molding micro-channel chip, and micro-channel chip
06/09/11 - 20110133364 - A die (100) is provided with: a cavity which can contain a molten resin; a micro-structure (102) provided on a molding transfer surface (101) forming the cavity such that the fine structure protrudes to the cavity side from the molding transfer surface (101); and a anti-shrinkage convex section (103) protruding...

Flame-retardant resin composition, process for producing the same, method of molding the same
05/05/11 - 20110101566 - A flame-retardant composition is obtained wherein at least one resin selected from a biodegradable resin and a plant-based resin or a PS resin is flame retarded by using a non-halogen-based flame retardancy-imparting component. At least one catalyst selected from a catalyst for purifying hydrocarbon, a catalyst for cracking hydrocarbon, a...

Electric injection molding system with dual-driving function and injection molding method using the system
02/24/11 - 20110042853 - An electrically-driven injection molding system with a dual-driving function comprises an electric apparatus with a dual-driving function, a plasticizing unit, an injection unit, an injection carriage, a guide frame, and a base, wherein the electric apparatus with a dual-driving function is connected with the plasticizing unit and the injection unit,...

Sheet feed rolling element for use in an electrophotographic device and mold for injection molding for producing the sheet feed rolling element
02/24/11 - 20110042854 - A sheet feed roller is provided which is free of a circumferential bulge on a sheet sliding contact surface of a roller portion, thereby improving the quality of images formed by an electrophotographic device. In a sheet feed rolling element for use in an electrophotographic device including a roller portion...