Rollable suitcase
    41.
    发明授权
    Rollable suitcase 失效
    可卷动手提箱

    公开(公告)号:US5111918A

    公开(公告)日:1992-05-12

    申请号:US666726

    申请日:1991-03-08

    Abstract: A suitcase (K) consists of two suitcase shells (1) and (2), which can be folded together, and includes castors and a pull handle (Z). The pull handle is on the narrow side (14) opposite the castors, and is swingably seated on a mounting plate (17) attached to the other suitcase shell (2). The suitcase shell (2) is adapted to be connected to the opposite suitcase shell (1) by at least one closure which extends over a fold joint (3) of the suitcase. This achieves a structurally advantageous configuration which is stable in use due to an interpenetration between hasp closure (I) and the mounting plate.

    Abstract translation: 手提箱(K)由两个手提箱(1)和(2)组成,可以折叠在一起,包括脚轮和拉手(Z)。 拉手在与脚轮相对的窄侧(14)上,并且可摆动地安置在附接到另一个行李箱外壳(2)的安装板(17)上。 手提箱壳体(2)适于通过在手提箱的折叠接头(3)上延伸的至少一个封闭件连接到相对的手提箱壳体(1)。 这实现了结构上有利的构造,其在使用中由于搭扣闭合件(I)和安装板之间的相互渗透而是稳定的。

    Process of recovering an n-hexane product which is free from aromatic
compounds
    43.
    发明授权
    Process of recovering an n-hexane product which is free from aromatic compounds 失效
    回收不含芳族化合物的正己烷产物的方法

    公开(公告)号:US4278505A

    公开(公告)日:1981-07-14

    申请号:US949467

    申请日:1978-10-10

    CPC classification number: C10G21/00 C07C7/005

    Abstract: A process of recovering an n-hexane product which is free from aromatic compounds by extractive distillation from a mixture of aromatic and non-aromatic compounds. The mixture is fed to and distilled in a first distillation column, from which a benzene-containing sump product and the overhead product consisting of non-aromatic compounds are withdrawn. The distillate is laterally withdrawn above the feeding point of the feed mixture and transferred to the upper portion of a second distillation column. The hexane cut is withdrawn as sump product from the second distillation column and fed to an extractive distillation column approximately in the middle thereof and is extracted in the extractive distillation column with a selective solvent which is fed above the feeding point of the hexane cut consisting of the sump product of the second distillation column. The sump product containing the selective solvent is withdrawn from the extractive distillation column and the overhead thereof vapors are condensed. The condensate is withdrawn as an n-hexane product that is free from aromatic compounds.

    Abstract translation: 通过萃取蒸馏从芳香族化合物和非芳香族化合物的混合物中回收不含芳族化合物的正己烷产物的方法。 混合物在第一蒸馏塔中进料并蒸馏,从其中取出含苯的油槽产物和由非芳族化合物组成的塔顶产物。 馏出物在进料混合物的进料点上方横向取出并转移到第二蒸馏塔的上部。 将己烷切片作为来自第二蒸馏塔的贮槽产物取出,并在大约中间被送入提取蒸馏塔,并在萃取蒸馏塔中用选择性溶剂萃取,该选择性溶剂在进料点上方进料, 第二蒸馏塔的贮槽产物。 含有选择性溶剂的贮槽产物从萃取蒸馏塔中排出,其蒸馏塔顶冷凝。 冷凝物作为不含芳族化合物的正己烷产物取出。

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