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    • 54. 发明授权
    • Longitudinally partitioned tubular body
    • 纵向分隔的管状体
    • US3980222A
    • 1976-09-14
    • US586103
    • 1975-06-11
    • Charles R. Hood
    • Charles R. Hood
    • B65D35/12B65D35/22B65D5/06B65D31/12
    • B65D35/22B65D35/12B29L2023/20B29L2031/601
    • A longitudinally partitioned tubular body made from a single sheet of material. The sheet of material is looped, spindled and seamed to integrally form a chordal partition and a tubular exterior wall. The tubular exterior wall comprises two circumferentially overlapped longitudinally extending seams. The two seams are oppositely disposed adjacent the two oppositely disposed longitudinally extending side edges of the chordal partition. The chordal partition divides the space within the tubular exterior wall into two longitudinally extendingg tubular spaces disposed in back-to-back relation. A pair of oppositely disposed edges of the sheet of material extend longitudinally of the body. One such tubular body embodiment has one such longitudinally extending edge of the sheet disposed inside one of the tubular spaces and the other of the longitudinally extending sheet edges of the sheet disposed outside the exterior wall of the body. An alternate tubular body embodiment is provided in which both such longitudinally extending edges of the sheet are disposed outside the exterior wall of the body.
    • 由单张材料制成的纵向分隔的管状体。 该材料片被环绕,旋转并缝合以一体地形成弦节隔壁和管状外壁。 管状外壁包括两个周向重叠的纵向延伸的接缝。 两个接缝相邻地布置成与弦弦分隔件的两个相对设置的纵向延伸的侧边缘相邻。 弦弦分隔器将管状外壁内的空间分成两个纵向延伸的管状空间,这些空间以背靠背关系设置。 一对相对设置的材料片的边缘在主体的纵向延伸。 一个这样的管状体实施例具有设置在一个管状空间内的片材的一个这样的纵向延伸的边缘,并且片材的纵向延伸的片材边缘的另一个设置在身体的外壁外部。 提供了替代的管状体实施例,其中片材的这种纵向延伸的边缘都设置在身体的外壁的外侧。
    • 56. 发明授权
    • Apparatus for pultruding hollow objects
    • 拉拔中空物件的装置
    • US3895896A
    • 1975-07-22
    • US44970174
    • 1974-03-11
    • PULTRUSIONS CORP
    • WHITE ROGER BPEARSON DAVID EBIRKNER JR HUGO E
    • B29B15/12B29C70/08B29C70/52B29D99/00B29D23/05
    • B29D99/0003B29B15/125B29C70/085B29C70/521B29C70/525B29L2031/003B29L2031/601
    • Apparatus and method for the continuous manufacture of hollow articles formed of fiber and liquid, heat curable resin material. The articles are made by folding ribbons of fiber mat, while dry, over and around one or more mandrels having an exterior configuration which delineates the hollow cavity, or cavities, extending longitudinally through the article. The folded disposition of the mat ribbons is maintained rather precisely thereafter to minimize puckering and/or drag as they move to, and through the die. Only after the mat ribbons are folded is the resin applied to the mat. Even though a quantity of resin sufficient, or in excess of the amount required, to impregnate the mat may be applied, it is applied in such a way that the mat is preferably wetted only partially. Strands of roving and/or, if desired, a wire reinforcement, may be drawn simultaneously into a die with the partially impregnated, folded mat. The aperture between the mandrel and the die progressively constricts causing hydraulic pressure to complete the impregnation of the mat. The application of heat to the die cures the resin, forming a composite article which is continuously drawn from the die.
    • 用于连续制造由纤维和液体形成的中空制品的装置和方法,热固性树脂材料。 这些制品是通过折叠纤维毡的丝带制成的,而干燥的,在一个或多个具有描绘纵向穿过制品的中空空腔或空腔的外部构造的心轴上和周围。 垫片的折叠布置在此之后被保持得相当精确,以使其在移动到模具时通过模具最小化褶皱和/或阻力。 仅在垫带折叠之后才将树脂施加到垫子上。 即使可以施加足够量的树脂或超过所需量的树脂来浸渍垫子,因此它可以以优选仅部分润湿的方式施用。 粗纱和/或如果需要的话,钢丝加强件可以同时浸入具有部分浸渍的折叠垫的模具中。 心轴和模具之间的孔径逐渐收缩,导致液压完成垫的浸渍。 对模具施加热固化树脂,形成从模头连续拉出的复合制品。