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    • 7. 发明申请
    • METHOD AND APPARATUS FOR PRODUCING A TUBE PARTIALLY HAVING A NON-CIRCULAR CROSS SECTION AND HAVING CIRCULAR END PORTIONS AND USE THEREOF
    • 用于制造具有非圆形横截面且具有圆形端部的管的方法和装置及其使用
    • US20150064779A1
    • 2015-03-05
    • US14470970
    • 2014-08-28
    • Schott AG
    • Nikolaus SchultzNikolaos KatsikisVolker TrinksReinhard Maennl
    • C03B23/049G01B11/12G01B11/04C12M1/12C03B23/045B29C53/08C12M1/00G01B11/08C03B23/055
    • C03B23/049B29C53/086B29K2101/12B29K2105/258C03B23/045C03B23/055C03B23/095C12M21/02C12M23/06C12M23/22G01B11/043G01B11/08G01B11/12
    • Disclosed is a method for the production of a tube having, in sections, a non-circular profile by deforming, comprising: a) providing a tube, which has a circular initial profile; b) conveying the tube in a hot, malleable state through a nip, which is formed by squeezing rollers and has a first nip width, which is larger than or equal to an outer dimension of the initial profile; c) adjusting the squeezing rollers for setting a second nip width, which is smaller than the outer dimension of the initial profile, and deforming the initial profile in said hot, malleable state for obtaining said non-circular cross section; and d) adjusting the squeezing rollers for setting a third nip width, which is larger than or equal to the outer dimension of the initial profile, and severing said tube in a region having a circular cross section; so that respective end portions of said tube have a circular cross section According to the invention, the tubes can be connected reliably with connecting-members or other tubes via the end portions having the circular profile using proven tube connection technologies. At the same time there is at least one central section having a non-circular cross section which is of advantage, for example for applications in photobioreactors.
    • 公开了一种制造管子的方法,该管子通过变形而具有非圆形轮廓,其包括:a)提供具有圆形初始轮廓的管; b)通过挤压辊形成的具有大于或等于初始轮廓的外部尺寸的第一夹持宽度的辊隙将热管,可延展状态的管输送; c)调整所述挤压辊以设定小于所述初始轮廓的外部尺寸的第二夹持宽度,并使所述热的可延展状态下的初始轮廓变形以获得所述非圆形横截面; 以及d)调整所述挤压辊以设定大于或等于所述初始轮廓的外部尺寸的第三夹持宽度,以及在具有圆形横截面的区域中切断所述管; 使得所述管的各个端部具有圆形截面。根据本发明,通过使用经过验证的管连接技术,管可以通过具有圆形轮廓的端部与连接构件或其它管可靠地连接。 同时存在至少一个具有非圆形横截面的中心部分,其优点在于例如用于光生物反应器中的应用。