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    • 4. 发明申请
    • MANDREL WITH DIFFERENTIAL IN THERMAL EXPANSION TO ELIMINATE WRINKLES IN PLY
    • 具有差异性扩散以消除皱纹的人造丝
    • US20060108055A1
    • 2006-05-25
    • US10904709
    • 2004-11-24
    • Doan PhamMark Tollan
    • Doan PhamMark Tollan
    • B32B3/04
    • B29C70/44B29C43/12B29C2043/3261B29K2105/0854Y10T156/1034Y10T156/1051Y10T156/108
    • An aircraft stringer lay-up assembly is provided comprising a first mandrel element having a first mandrel material with a first mandrel coefficient of thermal expansion. A composite ply assembly is laid up onto the first mandrel element to generate a primary lay-up surface. The composite ply assembly comprises a first primary fold-over portion folded onto to the first mandrel right end surface. A second primary fold over portion folds over to the first mandrel left end surface. The first mandrel coefficient of thermal expansion is adapted such that the first mandrel is movable between a first mandrel normal condition and a first mandrel heated condition where the first mandrel right end surface and the first mandrel left end surface move away from each other. The first primary fold-over portion and the secondary primary fold over portion are thereby moved such that wrinkles are pulled out of said primary lay-up surface.
    • 提供了一种飞机纵梁组合组件,包括具有第一心轴材料的第一心轴元件,第一心轴材料具有第一心轴热膨胀系数。 将复合层叠组件放置在第一心轴元件上以产生初级铺设表面。 复合层叠组件包括折叠到第一心轴右端表面上的第一主折叠部分。 第二主折叠部分折叠到第一心轴左端表面。 第一心轴热膨胀系数适于使得第一心轴可在第一心轴正常状态和第一心轴右端表面与第一心轴左端表面彼此远离的第一心轴加热状态下移动。 因此第一主要折叠部分和次要主要折叠部分被移动,使得皱纹被拉出所述主要叠层表面。
    • 9. 发明授权
    • Apparatus and method for producing a compression molded product
    • 用于生产压塑产品的装置和方法
    • US06174484B1
    • 2001-01-16
    • US09193085
    • 1998-11-16
    • Paul Shadforth ThompsonJohannes Martinus van Oort
    • Paul Shadforth ThompsonJohannes Martinus van Oort
    • B29C4300
    • B29C43/102B29C33/3828B29C43/027B29C43/3642B29C70/446B29C70/462B29C2043/3261B29L2023/22
    • A compression molding apparatus includes a mold of a first material having a first coefficient of thermal expansion and a plug of a second material having a second coefficient of thermal expansion different from the first coefficient of thermal expansion. The mold has a cavity into which the plug is placed such that the mold and plug are disposed relative to one another providing a gap therebetween having a first volume for holding a body that at least partially fills the gap when the mold and plug are at a first temperature and for molding the body into a molded product when the mold and plug are subjected to a second temperature that causes one of the first and second materials of the mold and plug to change in size more than the other and thereby change the gap to a second volume different from the first volume and compress the body.
    • 压缩成型装置包括具有第一热膨胀系数的第一材料的模具和具有与第一热膨胀系数不同的第二热膨胀系数的第二材料的塞子。 模具具有一个空腔,塞子被放置在其中,使得模具和塞子相对于彼此设置,在它们之间设置有间隙,其间具有用于保持主体的第一容积,当模具和插头处于一个位置时,该主体至少部分地填充该间隙 第一温度,并且当模具和插头经受第二温度并使模具和插头的第一和第二材料中的一个材料的尺寸大于另一个而变化时,将主体模制成模制产品,从而将间隙改变为 第二体积不同于第一体积并压缩身体。