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    • 6. 发明申请
    • A METAL PIPE AS WELL AS A METHOD AND PLANT FOR ITS PRODUCTION
    • 一种金属管作为其生产方法和设备
    • WO1980000367A1
    • 1980-03-06
    • PCT/SE1979000163
    • 1979-07-31
    • STALLARHOLMENS FOERVALTNINGS ABBRUNDIN H
    • STALLARHOLMENS FOERVALTNINGS AB
    • F16L09/16
    • F16L9/165B21C37/06B21C37/09B21C37/123
    • A metal pipe, preferably of steel, which is resistant corrosion, inside with respect to the conveyed medium and outside with respect to its surroundings, comprises a comparatively thin-walled core (1), a plurality of strips (2) which are highly tensioned and helically wound in layers, one layer crossing the other, each layer being joined to the underlying one, e.g. by means of welding, and, externally a comparatively thin casing (3) a plant for producing such pipe, comprising an arrangement of three co-acting operational stations, first a unit (Figs. 1 and 2) for producing a pipe core (1) from a strip wound on a reel (13), thereafter a second station comprising a plurality of winding units (4) (Figs. 3-6) for applying highly tensioned strip on the outside of the pipe core (1), welded to the pipe core and to underlying layers of strip, and finally a unit (Figs. 7 and 8) for providing the outmost layer of strip (2) with a sealing casing (3) from a strip (39) mounted on a reel. Method for producing such pipes with adjustable length.
    • 相对于所输送的介质和相对于其周围的外部,耐腐蚀性的金属管优选为钢包括相对薄壁的芯(1),多个高度张紧的条(2) 并且以层间螺旋缠绕,一层穿过另一层,每层连接到下面的层,例如 以及外部比较薄的壳体(3)用于生产这种管道的设备,包括三个协同作用工作站的装置,第一个单元(图1和2),用于生产管芯(1) ),然后包括用于在管芯(1)的外侧上施加高张力带材的多个卷绕单元(4)(图3-6)的第二工位,焊接到 管芯和底层,最后是用于从安装在卷轴上的条带(39)提供最外层条带(2)的单元(图7和8)。 生产这种长度可调的管子的方法。