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    • 5. 发明授权
    • Foam distribution jacket and method of insulating a hot water heater
with expandable foam material
    • 泡沫分布护套和用可膨胀泡沫材料绝热热水器的方法
    • US5979371A
    • 1999-11-09
    • US966408
    • 1997-11-07
    • Brian M. Lewis
    • Brian M. Lewis
    • B29C44/16F16L59/12F24H1/18F24H9/02F22B37/36
    • F24H1/182
    • A foam distribution jacket (10) for containing an insulating expandable liquid foam mixture (44) prior to expansion into a space (17) between a hot water tank (22) and an outer casing (29) secured thereabout. The jacket (10) comprises a pair of sheets (11-12) which are superimposed to define a bottom trough section (13) having a straight bottom edge (15) and opposed end edges (16). A seal (17) is formed along the straight bottom edge and the opposed end edges to form the trough (13) and to interconnect the sheets (11-12). The pair of sheets (11-12) converge to a crest portion (19) at a top end section (14) thereof. An attachment hole (20) is provided in the crest of an inner one of the pair of sheets (11-12) and is adapted to attach the jacket (10) in a depending manner from a nipple (21) in a top wall (48) of a hot water tank (22). The method of insulating a surrounding space (27) formed between the hot water tank (22) and the outer casing (29) using the foam distribution jacket (10) is also described.
    • 一种泡沫分配护套(10),用于在膨胀到固定在其周围的热水箱(22)和外壳(29)之间的空间(17)中,用于容纳绝缘的可膨胀液体泡沫混合物(44)。 护套(10)包括一对片(11-12),它们被叠加以限定具有直的底部边缘(15)和相对的端部边缘(16)的底部槽部分(13)。 沿着直的底部边缘和相对的端部边缘形成密封件(17)以形成槽(13)并且连接片材(11-12)。 一对片(11-12)在其顶端部分(14)处会聚到波峰部分(19)。 在所述一对片材(11-12)的内部的顶部的顶部设置有安装孔(20),并且适于将护套(10)以垂直的方式从顶壁中的接头(21) 48)热水箱(22)。 还描述了使用泡沫分配护套(10)将形成在热水箱(22)和外壳(29)之间的周围空间(27)绝缘的方法。
    • 6. 发明授权
    • In-situ molding of fiber reinforced composites to net shape
    • 将纤维增强复合材料原位成型为网状
    • US5173227A
    • 1992-12-22
    • US623822
    • 1990-12-06
    • James H. EwenNestor J. DiazRobert L. FaizDavid J. Parker
    • James H. EwenNestor J. DiazRobert L. FaizDavid J. Parker
    • B29C43/12B29C44/12B29C44/16B29C70/44B29C70/54
    • B29C70/443B29C44/1209B29C44/16B29C70/546B29C43/12B29K2075/00B29K2105/06Y10T428/24157
    • A method for fabricating composite structures wherein a single mold is used to preform a foam core between fiber reinforcement plies that are subsequently subjected to resin transfer molding to form an integrated foam core composite structure having the formed foam core mechanically interlocked to the composite skins. Fiber reinforcement plies are layed up on contoured molding surfaces of dies to define a core cavity with the mold closed. Foam is injected into the core cavity, concomitantly penetrating the fiber reinforcement plies, and allowed to cure to form the foam core. Heat and pressure generated during foam cure compresses the fiber reinforcement plies to provide debulking therefor. A resin binder is injected into the mold plenum to impregnate the layed-up fiber reinforcement plies, and the formed foam core/resin-impregnated layed-up fiber reinforcement plies are subsequently cured to form the integrated foam core composite structure. Film barriers may be formed in the fiber reinforcement plies to limit penetration of the injected foam to a predetermined number of fiber reinforcement plies. The film barriers may be melted and fused with the injected resin to provide an adhesive bond between the formed foam core and the composite skins, in addition to the mechanical interlock therebetween, to provide an integrated foam core composite structure with superior integrity.
    • 一种用于制造复合结构的方法,其中单个模具用于在随后进行树脂传递模塑的纤维增强层之间预成型泡沫芯,以形成整体的泡沫芯复合结构,其具有机械地互锁到复合材料表面的成形泡沫芯。 将纤维增强层铺设在模具的成型模制表面上以限定模具封闭的芯腔。 将泡沫注射到芯腔中,同时穿透纤维增强层,并使其固化形成泡沫芯。 在泡沫固化期间产生的热和压力压缩纤维增强层以提供减压。 将树脂粘合剂注入模具室以浸渍铺设的纤维增强层,随后固化所形成的泡沫芯/树脂浸渍的铺层纤维增强层以形成整体的泡沫芯复合结构。 可以在纤维增强层中形成膜阻挡层,以将喷射的泡沫渗透到预定数量的纤维增强层。 除了其间的机械互锁之外,膜屏障可以熔融并与注入的树脂熔合以提供形成的泡沫芯和复合材料表面之间的粘合剂粘合,以提供具有优异完整性的整体泡沫芯复合结构。