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    • 4. 发明公开
    • METHOD AND ARRANGEMENT FOR FORMING AN INNER LINING WITHIN A SECTION OF A TUBE
    • 方法和设备用于生产内衬管道中的部分
    • EP1866567A1
    • 2007-12-19
    • EP06717120.7
    • 2006-03-21
    • PROLINE AB
    • EDSTRÖM, Sten
    • F16L55/1645B05B13/06B05C7/08
    • F16L58/1027B05B3/1021B05B13/0636
    • A method of slinging sub-units of a curable viscous plastic material against the inner surface (22a) of a tubular section (22) with the aid of a rotatable nozzle (7) such as to form, via a curing process, a lining-forming coating (10) of plastic material, wherein the rotatable nozzle (7) is co-ordinated with a bearing unit and/or a motor unit adapted for common axial displacement through said tubular section, wherein said nozzle (7) is structured to function as a magazine (16) for part (E3) of the plastic material (E1) which is fed towards and into the magazine (16) of said nozzle and which are caused to rotate by the nozzle (7) such that the sub-units of the curable viscous plastic material will be slung from the nozzle (7) by its rotational movement and by centrifugal forces acting on said sub-units. The sub- units (E2)of plastic material slung from the nozzle shall pass partially and in a surplus quantity over a surface and/or an edge (7a) of the nozzle (7), wherein the sub-units of the curable plastic material shall be structured as layers or collections, an upper layer (E2) which rotates around the rotational axis of the nozzle (7) at a speed which is lower than the speed at which the nozzle rotates, and at least one underlying layer (E2') that rotates at a higher speed than said upper layer (E2). It is proposed that Figure 3 is published together with the abstract.