Process and apparatus for injection molding of molded parts having at least one cavity
    41.
    发明授权
    Process and apparatus for injection molding of molded parts having at least one cavity 有权
    具有至少一个空腔的模制件的注射成型工艺和设备

    公开(公告)号:US06709625B2

    公开(公告)日:2004-03-23

    申请号:US10106800

    申请日:2002-03-22

    Applicant: Marc Wulfrath

    Inventor: Marc Wulfrath

    Abstract: Process and apparatus for injection molding of molded parts made from plastic material having at least one cavity, which includes: a) injection of plastic melt from an injection unit along a melt flow path into the cavity of an injection-molding die; b) injection of a fluid into the still molten plastic material, so that the latter is pressed against the walls of the cavity; c) allowing the plastic material to solidify until the latter forms the molded part in self-supporting manner; and d) releasing the molded part from the cavity of the injection-molding die.

    Abstract translation: 由具有至少一个空腔的塑料材料制成的模制零件的注模成型工艺和装置,其包括:a)将注塑单元沿着熔体流动路径注入塑料熔体进入注模模具的模腔; b)将流体注入到仍然熔融的塑料材料中,使得该流体压靠空腔的壁; c)允许塑料材料固化,直到塑料材料以自支撑的方式形成模塑部件; 以及d)将模制部件从注塑模具的腔体中释放出来。

    Process for gas assisted and water assisted injection molding
    42.
    发明授权
    Process for gas assisted and water assisted injection molding 失效
    气辅助水注射成型工艺

    公开(公告)号:US06579489B1

    公开(公告)日:2003-06-17

    申请号:US09610103

    申请日:2000-06-30

    Applicant: Ronald Thomas

    Inventor: Ronald Thomas

    Abstract: A liquid and gas assisted injection molding apparatus comprising a source of liquid coolant, a source of compressed gas, a source of heated viscous plastic, a mold cavity means for controllably injecting said plastic into said cavity, means for controllably injecting said compressed gas into said cavity, means for controllably injecting said liquid coolant into said cavity, and means for selectively controlling the injection of said plastic, gas and liquid coolant.

    Abstract translation: 一种液体和气体辅助注射成型设备,包括液体冷却剂源,压缩气体源,加热的粘性塑料源,用于将所述塑料可控地注入所述空腔的模具腔装置,用于将所述压缩气体可控地注入所述压缩气体的装置 空腔,用于将所述液体冷却剂可控地注入所述空腔的装置,以及用于选择性地控制所述塑料,气体和液体冷却剂的注入的装置。

    Method for dual fluid injection molding
    43.
    发明授权
    Method for dual fluid injection molding 失效
    双液注射成型方法

    公开(公告)号:US5354523A

    公开(公告)日:1994-10-11

    申请号:US922683

    申请日:1992-07-29

    CPC classification number: B29C45/1706 B29C2045/1707 B29C2045/171

    Abstract: A process for injection molding of thermoplastic materials which includes a nozzle body having a bore to provide a flow path for molten thermoplastic. One end of the nozzle body is adapted for connection with a sprue of an associated mold body, and the other is adapted for connection with an end of an associated injection molding machine. The nozzle body has a shut-off valve fluid pin housing adapted for reciprocating movement in the nozzle bore to control the flow of plastic through the nozzle body. The shut-off valve fluid pin housing also includes a body having an adjustable fluid pin with a tip portion and a fluid passage formed in the body and open at the tip portion and the other end of the fluid passage communicating with a source of two pressurized fluids, one in vapor and liquid phase and another in gas. The shut-off valve is actuated to allow thermoplastic material to flow and subsequently a first pressurized fluid vapor is allowed to flow to form a hollow cavity in the thermoplastic material and then terminated and a second fluid which is a gas is allowed to flow into the cavity followed by the liquid of the first fluid. The fluid flow is controlled by the fluid pin shape and stroke adjustments. After the thermoplastic material has set, the pressurized fluid is vented through the fluid pin housing passage into a fluid condenser for recovery of the vapor and liquid and then into atmosphere.

    Abstract translation: 一种用于注塑热塑性材料的方法,其包括具有孔的喷嘴体,以提供用于熔融热塑性塑料的流路。 喷嘴主体的一端适于与相关联的模具主体的浇口连接,另一端适于与相关联的注模机的端部连接。 喷嘴体具有适于在喷嘴孔中往复运动的截止阀流体销壳,以控制塑料通过喷嘴体的流动。 截止阀流体销壳体还包括具有可调节流体销的主体,其具有尖端部分和形成在主体中的流体通道,并且在流体通道的末端部分和另一端处开放,该流体通道与两个加压 流体,一个在蒸气和液相,另一个在气体中。 关闭阀被致动以允许热塑性材料流动,随后允许第一加压流体蒸汽流动以在热塑性材料中形成中空腔,然后终止,并且允许作为气体的第二流体流入 空腔后面是第一流体的液体。 流体流动由流体销的形状和行程调节来控制。 在热塑性材料固化之后,加压流体通过流体销壳体通道被排放到流体冷凝器中,用于回收蒸汽和液体,然后进入大气。

    Process for producing moldings
    44.
    发明授权
    Process for producing moldings 失效
    生产模制品的工艺

    公开(公告)号:US4140672A

    公开(公告)日:1979-02-20

    申请号:US867185

    申请日:1978-01-04

    Inventor: Hiroshi Kataoka

    Abstract: A process for producing moldings comprises the steps of injecting a plastified synthetic resin into a mold cavity, thereafter or simultaneously injecting heated fluid having a viscosity of 0.01 - 100 poise into the same mold cavity to fill it with said fluid in such a manner that said heated fluid is surrounded by said synthetic resin within said mold cavity and releasing said fluid from said mold cavity after at least a portion of said synthetic resin has set. If the injected synthetic resin contains any foaming agent, a foamed article having its outer smooth skin can be obtained according to the present invention. If the injected synthetic resin contains no foaming agent, a hollow, smooth-surfaced article can be obtained.

    Abstract translation: 一种制造模制品的方法包括以下步骤:将塑化的合成树脂注入模腔中,之后或同时将粘度为0.01-100泊的加热流体注入到相同的模腔中,以将所述流体填充到所述流体中, 加热的流体在所述模具腔内由所述合成树脂包围,并且在所述合成树脂的至少一部分已经固化之后将所述流体从所述模腔中释放出来。 如果注射的合成树脂含有任何发泡剂,则可以根据本发明获得具有外观光滑皮肤的发泡制品。 如果注入的合成树脂不含发泡剂,则可以获得中空的光滑表面的制品。

    Method for controlling an injection process in an open-loop or closed-loop manner
    46.
    发明授权
    Method for controlling an injection process in an open-loop or closed-loop manner 有权
    用于以开环或闭环方式控制注射过程的方法

    公开(公告)号:US09387617B2

    公开(公告)日:2016-07-12

    申请号:US13499405

    申请日:2010-10-08

    Abstract: A method for controlling an injection process in an open-loop or closed-loop manner in the production of a molded part injects melt mass by at least one injection unit into at least one cavity enclosed by a tool by means of at least one nozzle. The at least one cavity has at least one measuring location, which is coupled to a binary detector, which can change from a first defined state to a second defined state. The binary detector changes the state thereof at the time at which the melt mass arrives at the measuring location. On the basis of the state change of the binary detector, an open-loop or closed-loop control unit controls the injection velocity V of the at least one injection unit in an open-loop or closed-loop manner, the temperature T of the melt mass before the injection, the termination of the injection at the at least one nozzle, and/or the starting of a subsequent process.

    Abstract translation: 在制造模制部件中以开环或闭环方式控制注射过程的方法通过至少一个喷嘴将由至少一个注射单元的熔体质量喷射到由工具包围的至少一个空腔中。 所述至少一个空腔具有至少一个测量位置,其耦合到二进制检测器,所述二进制检测器可以从第一限定状态改变到第二限定状态。 二元检测器在熔体质量到达测量位置时改变其状态。 基于二进制检测器的状态变化,开环或闭环控制单元以开环或闭环的方式控制至少一个注射单元的注射速度V, 在注射之前的熔体质量,在至少一个喷嘴处的注射终止,和/或后续过程的开始。

    Method of injection molding thermoplastic resin using supercritical fluid and injection molding apparatus
    47.
    发明授权
    Method of injection molding thermoplastic resin using supercritical fluid and injection molding apparatus 有权
    使用超临界流体和注射成型设备注塑热塑性树脂的方法

    公开(公告)号:US08168098B2

    公开(公告)日:2012-05-01

    申请号:US11598054

    申请日:2006-11-13

    Abstract: The present invention provides an injection molding method capable of impregnating a supercritical fluid stably and partially in molten resin in a plasticizing cylinder of an injection molding apparatus. The above object is achieved by providing the method of injection molding which includes measuring a filling amount of the molten resin in the plasticizing cylinder, introducing a supercritical fluid into the molten resin in the plasticizing cylinder while moving back the screw by a predetermined distance without rotating the screw from a position of the screw at the time of completing the measuring, detecting a pressure of the molten resin, and determining based on the pressure an injection start position for the screw.

    Abstract translation: 本发明提供一种注射成型方法,其能够在注射成型装置的增塑圆筒中将超临界流体稳定地和部分浸渍在熔融树脂中。 上述目的是通过提供注射成型方法来实现的,该方法包括测量塑化缸中的熔融树脂的填充量,将超临界流体引入塑化缸中的熔融树脂中,同时使螺杆向后移动预定距离而不旋转 螺杆在完成测量时从螺杆的位置检测熔融树脂的压力,并根据压力确定螺杆的注射开始位置。

    Process for producing resin molded article
    49.
    发明授权
    Process for producing resin molded article 有权
    树脂成形品的制造方法

    公开(公告)号:US08003038B2

    公开(公告)日:2011-08-23

    申请号:US12509981

    申请日:2009-07-27

    CPC classification number: B29C45/1706 C08J5/10 C08J2377/02

    Abstract: There is disclosed a process for producing a resin molded article by using a resin into which fine metal particles are so introduced as to be hardly dissolved at the melting temperature of the resin and as to obtain high solubility in a high-pressure carbon dioxide. This process comprises the steps of forming a high-pressure fluid by dissolving, in a high-pressure carbon dioxide, a fluorine-containing metal complex and a fluorine-based solution capable of dissolving the same metal complex; introducing the high-pressure fluid into a heated and molten resin; and molding the resin having the high-pressure fluid introduced thereinto, to shape the molded article.

    Abstract translation: 公开了通过使用引入微细金属颗粒的树脂在树脂的熔融温度下几乎不溶解并且在高压二氧化碳中获得高溶解度的树脂来制造树脂模塑制品的方法。 该方法包括通过在高压二氧化碳中溶解含氟金属络合物和能够溶解相同金属络合物的氟系溶液来形成高压流体的步骤; 将高压流体引入加热和熔融的树脂中; 并且将具有引入其中的高压流体的树脂成型,以使成型制品成型。

    Method and device for producing a plastic component with an internal hollow space
    50.
    发明授权
    Method and device for producing a plastic component with an internal hollow space 有权
    用于生产具有内部中空空间的塑料部件的方法和装置

    公开(公告)号:US07914727B2

    公开(公告)日:2011-03-29

    申请号:US10922349

    申请日:2004-08-20

    Abstract: For producing a plastic component (2) with an internal hollow space (3), at first plastic is injection molded into an injection mold (4) and its cavity (6) and then for displacing the plastic melt from the internal hollow space (3) to be formed, gas under pressure is injected into the still liquid plastic melt, after which for cooling the plastic, a cooling liquid is also introduced into this internal hollow space (3). So that this cooling can be performed as quickly as possibly, the gas is compressed with the help of the cooling liquid and inserted or injected into the plastic melt, so that the cooling liquid directly follows the gas, wherein it can already extend into the internal hollow space (3) before this space is completely formed by the gas, i.e., gas and cooling liquid can be present simultaneously in the internal hollow space (3) to be formed.

    Abstract translation: 为了生产具有内部中空空间(3)的塑料部件(2),首先将塑料注塑成注射模具(4)及其空腔(6),然后将塑料熔体从内部中空空间(3 )中,将压力下的气体注入到静态塑料熔体中,然后冷却塑料,冷却液也被引入到该内部中空空间(3)中。 为了尽可能快地进行冷却,借助冷却液将气体压缩并插入或注入到塑料熔体中,使得冷却液直接跟随气体,其中已经延伸到内部 在这个空间完全形成气体之前的中空空间(3),即气体和冷却液体可以同时存在于要形成的内部中空空间(3)中。

Patent Agency Ranking