Low density composite rocket nozzle components and process for making the same from standard density phenolic matrix, fiber reinforced materials
    1.
    发明申请
    Low density composite rocket nozzle components and process for making the same from standard density phenolic matrix, fiber reinforced materials 审中-公开
    低密度复合火箭喷嘴组件及其制备方法由标准密度酚醛树脂基体,纤维增强材料制成

    公开(公告)号:US20040105970A1

    公开(公告)日:2004-06-03

    申请号:US10721697

    申请日:2003-11-25

    Abstract: A process for producing low-density composite components as disclosed herein involves forming a compacted and curable pre-preg into a selected level of compaction whereby voids are capable of forming in the compacted curable pre-preg. The compacted curable pre-preg is then cured at a pressure sufficiently low to permit evolving gases to form voids in the pre-preg as the pre-preg cures into the composite article. The pre-preg is only partially debulked in the process. Rocket nozzle components may be produced with reduced densities while still exhibiting satisfactory erosion and other characteristics desired for products subject to the harsh erosive environment of a rocket motor.

    Abstract translation: 如本文所公开的生产低密度复合材料组分的方法包括将压实和可固化的预浸料形成为选定的压实水平,由此在压实的可固化预浸料中能够形成空隙。 然后将压实的可固化预浸料在足够低的压力下固化,以便在预固化成复合制品之前允许放出的气体在预浸料中形成空隙。 在此过程中,pre-preg仅部分减弱。 火箭喷嘴部件可以以更低的密度生产,同时仍然表现出令人满意的侵蚀以及受到火箭发动机的严酷腐蚀环境的产品所需的其它特性。

    Method of producing a differentially stretched member and a differentially stretched member produced thereby
    3.
    发明申请
    Method of producing a differentially stretched member and a differentially stretched member produced thereby 失效
    制造差速拉伸件的方法和由此制造的差动拉伸件

    公开(公告)号:US20040013850A1

    公开(公告)日:2004-01-22

    申请号:US10403016

    申请日:2003-04-01

    Inventor: Robert Kling

    Abstract: A method of producing an elasticized member having two different degrees of stretch, to be used in an absorbent product. The method involves stretching an elastic member by a first amount and securing part of it in the stretched condition to an inelastic web, while a second portion of the elastic member is stretched by a second amount and secured in the stretched position to the first web or to a second web. Differentially stretched products produced by the method can be used to provide advantages in terms of material savings and elasticity effects in absorbent products.

    Abstract translation: 一种制造具有两个不同拉伸程度的弹性构件的方法,用于吸收制品中。 该方法包括将弹性构件拉伸第一量并将它的一部分固定在拉伸状态到非弹性纤维网,同时将弹性构件的第二部分拉伸第二量并固定在拉伸位置至第一纤维网或 到第二个网页。 通过该方法生产的差异拉伸产品可用于在吸收产品中的材料节省和弹性效应方面提供优点。

    Adhesive system for absorbent structures
    4.
    发明申请

    公开(公告)号:US20030124336A1

    公开(公告)日:2003-07-03

    申请号:US10306549

    申请日:2002-11-26

    Abstract: An absorbent structure that includes: (1) a liquid permeable cover having a first surface area; (2) at least one layer of at least one liquid management material having a second surface area that is less than the first surface area; and (3) an adhesive system joining the liquid permeable cover and the liquid management material. The continuous layer of adhesive overlaying the permeable cover material desirably has a basis weight of 7.5 gsm or less. For example, layer of adhesive may have a basis weight of 4 gsm or 1.0 gsm or less .The absorbent structure may be mechanically post-treated. For example, the absorbent structure may be introduced into a nip and/or subjected to mechanical post treatments such as, for example, embossing, perforating, brushing, creping, aperturing and the like. A method of making an absorbent structure that may include the following steps: (1) providing a liquid permeable nonwoven cover composed of a matrix of fibrous material and having a plurality of individual exposed fiber surfaces; (2) applying a thin, substantially continuous layer of adhesive material coating to at least a portion of the individual exposed fiber surfaces of individual fiber surfaces; (3) providing at least one layer of at least one liquid management material; and (4) joining the liquid permeable cover and the liquid management material. A non-contact adhesive system for joining dissimilar material components in which an adhesive is applied at a rate of less than 7.5 gsm utilizing a non-contact applicator in several generally parallel, substantially or totally non-intersecting lines after the cover and discrete liquid management material (distribution layer) are joined and exit a post treatment step such as, for example, an aperturing module. The adhesive could also be applied in several wavy lines, sinusoidal lines, parallel lines and other similar non-intersecting adhesive configurations.

    Method for fabricating shaped monolithic ceramics and ceramic composites through displacive compensation of porosity, and ceramics and composites made thereby
    5.
    发明申请
    Method for fabricating shaped monolithic ceramics and ceramic composites through displacive compensation of porosity, and ceramics and composites made thereby 失效
    通过孔隙度的置换补偿制造成形的整体陶瓷和陶瓷复合材料的方法,以及由此制成的陶瓷和复合材料

    公开(公告)号:US20030054156A1

    公开(公告)日:2003-03-20

    申请号:US10158600

    申请日:2002-05-30

    CPC classification number: C22C1/1036 C04B35/622 Y10T428/249957

    Abstract: The present invention is a method for fabricating shaped monolithic ceramics and ceramic composites, and the ceramics and composites made thereby. The method of the present invention includes three basic steps: (1) Synthesis or other acquisition of a porous preform with an appropriate composition, pore fraction, and overall shape is prepared or obtained. The pore fraction of the preform is tailored so that the reaction-induced increase in solid volume can compensate partially or completely for such porosity. It will be understood that the porous preform need only be sufficiently dimensionally stable to resist the capillary action of the infiltrated liquid reactant; (2) Infiltration: The porous preform is infiltrated with a liquid reactant; and (3) Reaction: The liquid reactant is allowed to react partially or completely with the solid preform to produce a dense, shaped body containing desired ceramic phase(s). The reaction in step (3) above is a displacement reaction of the following general type between a liquid species, M(l), and a solid preform comprising the compound, NBXC(s): AM(l)nullNBXC(s)nullAMXC/A(s)nullBN(l/g) where MXC/A(s) is a solid reaction product (X is a metalloid element, such as, for example, oxygen, nitrogen, sulfur, etc.) and N(l/g) is a fluid (liquid or gas) reaction product. A, B and C are molar coefficients.

    Abstract translation: 本发明是一种制造成形的整体陶瓷和陶瓷复合材料的方法,以及由此制成的陶瓷和复合材料。 本发明的方法包括三个基本步骤:(1)制备或获得具有适当组成,孔隙分数和整体形状的多孔预型体的合成或其它方法。 定制预制件的孔隙分数,使得反应引起的固体体积增加可以部分地或完全地补偿这种孔隙率。 应当理解,多孔预成型件仅需要足够的尺寸稳定性以抵抗渗透的液体反应物的毛细管作用; (2)渗透:多孔预型体用液体反应物渗透; 和(3)反应:使液体反应物部分或完全与固体预成型体反应,以产生含有所需陶瓷相的致密的成型体。 上述步骤(3)中的反应是液体物质M(1)和包含该化合物NBXC的固体预制品之间的以下通用类型的置换反应:AM(1)+ NBXC(s)= AMXC / A(s)+ BN(1 / g)其中MXC / A(s)是固体反应产物(X是类金属元素,例如氧,氮,硫等)和N( l / g)是流体(液体或气体)反应产物。 A,B和C是摩尔系数。

    Sheet-form structure of expandable thermoplastic resin, thermoplastic resin foam and methods for manufacturing thereof
    6.
    发明申请
    Sheet-form structure of expandable thermoplastic resin, thermoplastic resin foam and methods for manufacturing thereof 审中-公开
    可膨胀热塑性树脂的片状结构,热塑性树脂发泡体及其制造方法

    公开(公告)号:US20030044594A1

    公开(公告)日:2003-03-06

    申请号:US10158925

    申请日:2002-06-03

    Abstract: A sheet-form structure of expandable thermoplastic resin is provided which is capable of undergoing a pseudo-one-dimensional expansion in its thickness direction and which enables manufacture of thermoplastic resin foams having reduced variations in thickness and weight precisions, increased compressive strength, and excellent properties such as surface smoothness. A method of manufacturing the sheet-form structure, as well as such thermoplastic resin foams, are also provided. A sheet-form structure 1 of expandable thermoplastic resin including granules 2 of expandable thermoplastic resin arranged generally uniformly for integral connection thereof through a thin film 3 of expandable thermoplastic resin. A thermoplastic resin foam including a continuous, thermoplastic resin foam layer, a number of highly-expanded, thermoplastic resin portions provided on at least one surface of the continuous foam layer, and slightly-expanded, thermoplastic resin thin films for covering outer surfaces of respective highly-expanded portions.

    Abstract translation: 提供了一种可膨胀热塑性树脂的片状结构,其能够在其厚度方向上进行假一维膨胀,并且能够制造厚度和重量精度变化减小,抗压强度提高以及优异的热塑性树脂泡沫 性质如表面平滑度。 还提供了制造片状结构的方法以及这种热塑性树脂泡沫体。 一种可膨胀热塑性树脂的片状结构体1,包括可膨胀热塑性树脂的颗粒2,其通常均匀地布置,用于通过可膨胀热塑性树脂的薄膜3与其一体连接。 一种热塑性树脂发泡体,包括连续的热塑性树脂泡沫层,设置在连续泡沫层的至少一个表面上的多个高度膨胀的热塑性树脂部分,以及用于覆盖相应的外部表面的略微膨胀的热塑性树脂薄膜 高度扩张部分。

    Medical packaging substrate
    7.
    发明申请
    Medical packaging substrate 审中-公开
    医用包装基材

    公开(公告)号:US20020168508A1

    公开(公告)日:2002-11-14

    申请号:US09976411

    申请日:2001-10-12

    Abstract: A polymer-impregnated paper-based web for use as a medical packaging bacteria barrier fabric is provided. The use of a particular type of polymer emulsion as the saturant provides the effective range of bacteria filtration while at the same time allowing the web to maintain its enhanced strength and delamination resistance that are required when such substrates are employed to wrap surgical trays, surgical instruments, medical appliances and the like prior to sterilization. The invention consists of a paper-containing medical packaging substrate that has been saturated with a polymer having a glass transition temperature of null20null C. or less.

    Abstract translation: 提供了用作医疗包装细菌屏障织物的聚合物浸渍的纸基纤维网。 使用特定类型的聚合物乳液作为饱和剂提供细菌过滤的有效范围,同时允许幅材保持其增强的强度和抗分层性,当这种基底用于包裹外科手术托盘时,手术器械 ,医疗器具等。 本发明由玻璃化转变温度为-20℃以下的聚合物饱和的含纸的医疗包装用基材构成。

    Spatially-controlled modified porous membrane
    9.
    发明申请
    Spatially-controlled modified porous membrane 有权
    空间控制改性多孔膜

    公开(公告)号:US20040185242A1

    公开(公告)日:2004-09-23

    申请号:US10394627

    申请日:2003-03-21

    Inventor: John Charkoudian

    Abstract: This invention relates to a general method to surface modify porous membranes with a free radical polymerized polymer coating in a layer which is less than the thickness of the membrane. Another object of this invention relates to a general method to surface modify porous membranes with a free radical polymerized polymer coating to a predetermined and controlled depth from a first facial surface. Another object of this invention is to provide a general method to surface modify porous membranes with a free radical polymerized polymer coating into a pattern on one or both facial surfaces, the pattern maintaining its form to a controlled depth into the membrane. Membrane modification is spatially controlled through the use of a polymerization preventing agent (PPA), which prevents modification from occurring in defined spatially volumes of the membrane. The invention relates to porous membranes surface modified by the methods described.

    Abstract translation: 本发明涉及一种在低于膜厚度的层中用自由基聚合的聚合物涂层表面改性多孔膜的一般方法。 本发明的另一个目的涉及一种用自由基聚合的聚合物涂层将多孔膜表面修饰成从第一面部表面到预定和受控深度的一般方法。 本发明的另一个目的是提供一种通过自由基聚合的聚合物涂层将多孔膜表面修饰成一个或两个面部表面上的图案的一般方法,该图案将其形式保持在受控的深度进入膜。 通过使用聚合阻止剂(PPA)在空间上控制膜改性,其防止在限定的空间体积的膜中发生修饰。 本发明涉及通过所述方法表面改性的多孔膜。

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