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公开(公告)号：US20230302697A1
公开(公告)日：2023-09-28
申请号：US18179524
申请日：2023-03-07
CPC分类号： B29C45/23 , B29C45/535 , B29C45/18 , B29C2045/2683
摘要： A manufacturing apparatus includes a defining portion, a plunger, and a valve member. The defining portion defines a supply port, a discharge port, and a resin channel. The resin channel includes a reserving portion, a first partial channel connecting the supply port and the reserving portion, a second partial channel connecting the reserving portion and the discharge port, a relay channel connecting the first partial channel, the reserving portion and the second partial channel, and a connecting channel connecting the first partial channel and the second partial channel. The plunger discharges the molten resin reserved in the reserving portion. The valve member is provided in the connecting channel and the second partial channel. The first partial channel and the relay channel are connected to the connecting channel so as to intersect with the connecting channel. The valve member includes a first valve portion and a second valve portion.
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2.发明公开公开(公告)号：US20230264397A1
公开(公告)日：2023-08-24
申请号：US18005405
申请日：2021-06-30
CPC分类号： B29C45/14565 , B29C45/03 , B29C45/234 , B65B9/12 , B65B61/186
摘要： A molding apparatus for molding an opening device onto a packaging material web comprises at least one mold unit couplable to the packaging material web; and an injection device configured to inject molten polymer into the mold unit. The injection device comprises a cavity configured to receive the molten polymer, an inlet configured to allow for introduction of the molten polymer into the cavity, a first outlet configured to allow for an outflow of a first portion of the molten polymer from the cavity, a first valve element configured to selectively open and close the first outlet, a second outlet configured to allow for an outflow of a second portion of the molten polymer from the cavity, a second valve element configured to selectively open and close the second outlet and a pressurizing unit in fluidic connection with the cavity and configured to pressurize the molten polymer within the cavity.
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公开(公告)号：US20230034476A1
公开(公告)日：2023-02-02
申请号：US17964151
申请日：2022-10-12
发明人： William Henderson , Ling Feng , Andrew Dovey
摘要： A method of performing an injection cycle having a duration comprising: beginning the injection cycle with the valve pins associated with two or more nozzles in a gate closed position, selecting a first one of the two or more nozzles and controllably driving its associated valve pin from the gate closed position to a selected first axial upstream position, upon downstream flow of the injection fluid through a cavity the preselected distance, controllably driving the valve pin associated with the other of the two or more nozzles to a selected second axial position upstream, holding or controllably driving the valve pin associated with the first one of the two or more nozzles in or to one or more reduced flow axial upstream positions that are partially closed.
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公开(公告)号：US20220339832A1
公开(公告)日：2022-10-27
申请号：US17703582
申请日：2022-03-24
发明人： Jianguo Zheng , Hongwei Zhou , Wu Lin , Jianqin Zeng , Guolin Liu , Shixin Deng , Binqi Rao , Binbin Li , Chenwen Fang , Lu Zhang
摘要： For processing cost reduction and improvement of efficiency, a no-mold-runner multi-nozzle device, comprising: an injection machine, a multi-nozzle component, a front template, and a no-mold-runner. The multi-nozzle component includes a plurality of nozzles, which is connected to the injection machine. The injection machine is used to inject a mixture of molding material and supercritical fluid into multiple nozzles. The front template is provided with a plurality of first passage holes. The no-mold-runner is provided with a mold cavity and a plurality of second passage holes communicating with the mold cavity. The nozzle correspondingly passes through a plurality of first passage holes and second passage holes and is installed in cooperation. By controlling the opening or closing of the nozzle, the mixed material of the molding material and the supercritical fluid enters the mold cavity or stops entering the mold cavity.
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公开(公告)号：US20210308922A1
公开(公告)日：2021-10-07
申请号：US17267684
申请日：2019-10-29
发明人： Dong Gyu JANG , Joon Sup KIM
摘要： In the present invention, sealing tape is wrapped around the outer circumferential surface of an introduced mold, and a monomer solution is injected into a cavity formed therein, wherein the injection amount of the monomer solution can be precisely controlled by using a vision recognition system. According to a preferable embodiment, a monomer solution of a monomer solution tank is suctioned, in advance, into a syringe capable of adjusting a capacity corresponding to a mold; most of the monomer solution, which has been injected into the syringe, is firstly injected into the mold at a high injection flow rate or injection speed; while the residual amount of the monomer solution is secondly injected at a reduced injection flow rate or injection speed, it is finally confirmed, by using a vision recognition system, whether the monomer solution is filled in the mold; and then injection is finished.
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6.发明授权公开(公告)号：US11084197B2
公开(公告)日：2021-08-10
申请号：US16317670
申请日：2017-07-11
摘要： A device for producing components using an injection molding method includes at least one cavity (1a) for forming a respective product, at least one injection nozzle (3a) through which material is injected into the cavity (1a), a mold release (4), a distribution channel (10), a media supply (11), an exhaust air channel or return channel (12), at least one shut-off needle (6a). The shut-off needle is connected to a piston in a force-fitting or form-fitting manner and is inserted into the injection nozzle (3a). At least one valve (7a) for opening the needle (6a) and at least one valve (8a) for closing the needle (6a) are provided, such that the valve (7a) and the valve (8a) are arranged directly adjacent to the shut-off needle (6a). A control unit for the valve (7a) and the valve (8a) is also provided.
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公开(公告)号：US10518450B2
公开(公告)日：2019-12-31
申请号：US15287790
申请日：2016-10-07
申请人： INGLASS S.p.A.
摘要： A nozzle terminal of an injector comprises a tip and a ring nut having respective distal ends one of which is configured so as to be coupled with a gate of a moulding cavity, it cooperates with the shutter terminal of the valve pin of the injector, and it has an overall thickness in cross-section which is equal to or less than that of the cross-section of the shutter terminal of the valve pin.
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公开(公告)号：US10479008B2
公开(公告)日：2019-11-19
申请号：US15100629
申请日：2014-12-02
申请人： Subsea 7 Limited
IPC分类号： B29C45/14 , B29C45/62 , B29C45/23 , F16L59/20 , B29C45/72 , B29C45/53 , F16L13/02 , F16L58/18 , B29C45/76 , B29C45/18 , B29C31/04 , B29C31/06 , B29C45/04 , B29K705/00 , B29K23/00 , B29C45/46 , B29K25/00 , B29K105/00 , B29K105/20 , B29K705/12 , B29L23/00
摘要： An injection molding apparatus has a mold tool that is positioned around a field joint of a pipeline to define a mold cavity. Two or more pumping chambers communicate with the mold tool. Each chamber is expansible to draw in molten polymer and contractible to drive the polymer into the mold cavity. Expansion of one chamber is synchronized with contraction of another chamber. The operation of supply and injection valves associated with the chambers is also synchronized, both with each other and with expansion and contraction of the chambers. In the embodiment described, two pumping chambers are defined within a common pressurizing cylinder, in which the chambers are separated by a piston. The piston is movable within the cylinder to determine and to synchronize expansion and contraction of the chambers.
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公开(公告)号：US20190111600A1
公开(公告)日：2019-04-18
申请号：US16162116
申请日：2018-10-16
发明人： Jiping QIAN , Kenneth JACOB , Denis BABIN
摘要： A melt delivery body is disclosed for an injection molding apparatus. The melt delivery body includes a manifold, housed in a manifold plate, having a melt network with an inlet for receiving melt from a machine nozzle and an outlet substantially axially aligned with the inlet. The melt delivery body further including an in-line valve gated nozzle having a nozzle melt channel, a valve pin in the nozzle melt channel, and a valve pin actuator coupled to the valve pin and positioned substantially axially aligned with the in-line valve gated nozzle and between the manifold and the in-line valve gated nozzle for controlling the movement of the valve pin within the nozzle melt channel. The melt delivery body further including a biasing member for biasing the in-line valve gated nozzle towards the manifold.
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公开(公告)号：US10137622B2
公开(公告)日：2018-11-27
申请号：US15966340
申请日：2018-04-30
申请人： INGLASS S.p.A.
发明人： Maurizio Bazzo
摘要： Injection molding of plastic materials by an apparatus comprising at least one injector including a valve pin displaceable in a controlled manner between a closed position and an open position by an electric rotary actuator. At least one step is provided of detecting the value of the torque developed by the electric rotary actuator when the valve pin is in the path from the closed position to the open position, and the torque value detected is used to pilot the molding process.
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