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    • 9. 发明申请
    • A TUBE STRUCTURE AND A METHOD FOR MANUFACTORING A TUBE STRUCTURE
    • WO2018229262A1
    • 2018-12-20
    • PCT/EP2018/065979
    • 2018-06-15
    • SANDVIK INTELLECTUAL PROPERTY AB
    • HEDBLOM, Erika
    • B21C37/15B21C1/22B21C1/24C09K5/14F16L9/02G01M3/16
    • The present disclosure relates to a tube structure comprising an inner tube of metal and an outer tube of metal, wherein the inner tube extends in the outer tube, and wherein either the inner tube and the outer tube are mechanically tight fitted over the entire length of the inner tube, at least one space in a radial direction of the tube structure in the form of a groove extends at least in an outer surface of the inner tube or in an inner surface of the outer tube, and the at least one space extends in a longitudinal direction of the inner tube and over an entire longitudinal extension of the inner tube, or a spacer tube is located between the inner tube and the outer tube, the inner tube, the outer tube and the spacer tube are mechanically tight fitted over the entire length of the spacer tube, the spacer tube comprises at least one space in the form a slit extending in a radial direction of the tube structure from an outer surface of the inner tube to an inner surface of the outer tube, the at least one space extends in a longitudinal direction of the spacer tube and over an entire longitudinal extension of the spacer tube, and wherein the at least one space is at least partially filled with a thermal interface material providing a thermal contact between the outer tube and the inner tube.