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    DUAL FIRMNESS HEAD RESTRAINT
    1.
    发明申请
    DUAL FIRMNESS HEAD RESTRAINT 有权
    双重头枕限制

    公开(公告)号：US20130134760A1

    公开(公告)日：2013-05-30

    申请号：US13305351

    申请日：2011-11-28

    Applicant: Jeremy Sutton

    Inventor： Jeremy Sutton

    IPC: B60N2/48 ,  B29C45/16

    CPC classification number: B29C44/0461 ,  B29C44/0492 ,  B29C45/1671 ,  B29C45/1676 ,  B29L2031/3023 ,  B60N2/7017 ,  B60N2/80

    Abstract: A method of making a vehicle headrest restraint and connecting first and second molds to form a mold cavity. A first material is injected with a first density into the mold cavity. A second material is injected with a second density into the mold cavity. The first and second materials are cooled to develop an integrally formed headrest.

    Abstract translation: 一种制造车辆头枕约束并连接第一和第二模具以形成模腔的方法。 将第一材料以第一密度注入模腔中。 将第二种材料以第二种密度注入到模腔中。 第一和第二材料被冷却以形成一体形成的头枕。

    Apparatus and methods for mixing and injecting a foam core within an extruded shell
    4.
    发明授权
    Apparatus and methods for mixing and injecting a foam core within an extruded shell 失效

    公开(公告)号：US06592789B2

    公开(公告)日：2003-07-15

    申请号：US09860939

    申请日：2001-05-18

    Applicant: James B. Barsby

    Inventor： James B. Barsby

    IPC: B29C4420

    CPC classification number: B29C44/0492

    Abstract: An apparatus and methods for mixing and injecting a foam core within an extruded shell preferably of plastic downstream from an extrusion die to produce a uniform building product. The preferred apparatus includes a mixing head injector for mixing a binary system foam. The mixing head injector incorporates pressurized gas injection for homogenization of the foam core. A preferred method employs the mixing head injector and a novel calibrator thereby allowing injection of a foam core within the shell as it passes through a calibrator to reliably produce a uniform building product. An alternative method employs a second extruder. Alternative methods employ a mounting fixture downstream of a first calibrator.

    Apparatus for forming plastic
    5.
    发明授权
    Apparatus for forming plastic 失效
    塑料成型设备

    公开(公告)号：US4210616A

    公开(公告)日：1980-07-01

    申请号：US887182

    申请日：1978-03-16

    Applicant: Helmut Eckardt ,  Jurgen Ehritt

    Inventor： Helmut Eckardt ,  Jurgen Ehritt

    IPC: B29C44/04 ,  B29C45/00 ,  B29C45/16 ,  B29D27/00 ,  B29F1/10

    CPC classification number: B29C45/1642 ,  B29C44/0492 ,  B29C2045/1651 ,  B29C45/00 ,  Y10S264/83

    Abstract: A method for injection molding a product having a non-cellular skin layer and a cellular core portion. The method involves successive or simultaneous injection of a non-foamable resin material and a foamable resin material through a sprue bushing having an injection channel connected to the mold cavity and a pair of fixed feed channels intersecting with the injection channel. The injection mold has a bore with a sprue bushing therein. The sprue bushing having an injection channel therein and intersecting with a pair of fixed feed channels. Injection units deliver the materials to the pair of fixed feed channels.

    Abstract translation: 一种用于注射成型具有非细胞表皮层和细胞芯部分的产品的方法。 该方法包括通过具有连接到模腔的注射通道和与注射通道相交的一对固定进料通道的浇口衬套连续或同时注射不发泡树脂材料和可发泡树脂材料。 注射模具具有在其中具有浇口衬套的孔。 浇道衬套在其中具有注入通道并且与一对固定进料通道相交。 注射单元将材料输送到一对固定进料通道。

    Multidensity foam article and method of preparation
    6.
    发明授权
    Multidensity foam article and method of preparation 失效
    多重泡沫制品及其制备方法

    公开(公告)号：US4190697A

    公开(公告)日：1980-02-26

    申请号：US003374

    申请日：1979-01-15

    Applicant: John R. Ahrens

    Inventor： John R. Ahrens

    IPC: B29C39/12 ,  A47C7/18 ,  A47C27/14 ,  A47C27/15 ,  B29B7/00 ,  B29C39/00 ,  B29C39/10 ,  B29C39/24 ,  B29C44/04 ,  B29K75/00 ,  B29K105/04 ,  B29L9/00 ,  B29L31/58 ,  B32B5/20 ,  B32B5/32 ,  B68G5/02 ,  B68G7/00 ,  B68G11/04 ,  B32B3/26 ,  B32B5/14

    CPC classification number: B29C44/0476 ,  B29C44/0461 ,  B29C44/0492 ,  B32B5/20 ,  B29K2075/00 ,  B29L2031/58 ,  B29L2031/751 ,  Y10S297/01 ,  Y10T428/24983 ,  Y10T428/24992 ,  Y10T428/24996 ,  Y10T428/249981

    Abstract: A multidensity polyurethane foam article suitable for use as a seat cushion includes a supportive layer of firm foam and a comfortable layer of softer foam. The multidensity article has a sag factor of about 3.0 to about 4.5, and the two foam layers are bonded together without employing adhesives. The multidensity foam article is prepared by placing a first formulation capable of yielding a firm foam into a mold and permitting said formulation to start creaming, rising and foaming; introducing a second liquid formulation capable of forming a soft foam into the mold after the first formulation has completed 10 to 80% of its potential rise so that the second formulation passes through the rising first formulation and the first formulation floats upon the second formulation; and then permitting the two formulations to cream, foam, rise and cure into a single multidensity article having a firm supportive foam layer and a soft foam layer, which layers are bonded and knitted together at their common boundary during the curing process.

    Abstract translation: 适合用作座垫的多重聚氨酯泡沫制品包括牢固泡沫的支撑层和较柔软泡沫的舒适层。 多重密封制品具有约3.0至约4.5的松弛因子，并且两个泡沫层在不使用粘合剂的情况下粘合在一起。 通过将能够产生稳定泡沫的第一制剂放入模具中并允许所述制剂开始乳化，起泡和起泡来制备多重泡沫制品。 在第一制剂完成其潜在升高的10至80％之后，引入能够将软泡沫形成软泡沫的第二液体制剂，使得第二制剂通过上升的第一制剂，第一制剂漂浮在第二制剂上; 然后允许两种配方进行乳化，泡沫化，上升和固化成具有坚固的支撑性泡沫层和软泡沫层的单一多层制品，该层在固化过程中以其共同边界粘合和编织在一起。

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