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    • 3. 发明公开
    • SUCTION OR BLOW THERMAL ROLLER
    • 吸或吹热辊
    • EP3216732A1
    • 2017-09-13
    • EP17158475.8
    • 2017-02-28
    • GTK Timek Group SA
    • DOMENICONI, Lorenzo
    • B65H27/00B41F23/04F26B13/18D21G1/02
    • B29C35/041B29K2101/12B29L2007/008B41F23/042B65H27/00B65H2301/5143B65H2301/5144B65H2404/1361B65H2404/1362B65H2404/1363B65H2406/3614D21F3/10D21G1/0266
    • Suction or blow thermal roller (1) comprising:
      - a cylindrical body (2) extending along a longitudinal direction (X-X); said cylindrical body (2) comprising at least one inner tubular element (3) and at least one outer tubular element (4) that is concentrically arranged around said inner tubular element (3); said inner tubular element (3) comprises an outer diameter d and said outer tubular element (4) comprises an inner diameter D, being D>d;
      - two hubs (6), each arranged at one end of the cylindrical body (2);
      - at least one heat-exchange chamber (10) realized between said inner tubular element (3) and said outer tubular element (4);
      characterized by comprising a coating layer (11) for said inner tubular element (3);
      - said coating layer (11) comprises at least one rib (12) arranged along a helical path around said longitudinal direction (X-X); said at least one rib (12) being made in one piece in the coating layer (11) and realizing at least one helical channel (13) between said coating layer (11) and said outer tubular element (4);
      - said first helical channel (13) being made at least partially in said coating layer (11) so that said at least one rib (12) forms the side walls of said helical channel (13);
      - said rib (12) comprising a plurality of radial pass-through channels (31);
      - said outer tubular element (4) comprising a plurality of first suction holes (30) communicating with said radial pass-through channels (31);
      - said radial pass-through channels (31) communicating with an air suction assembly (32).
    • 吸气或吹气热辊(1)包括: - 沿纵向方向(X-X)延伸的圆柱形本体(2); 所述圆柱形本体(2)包括至少一个内部管状元件(3)和至少一个围绕所述内部管状元件(3)同心布置的外部管状元件(4); 所述内管状元件(3)包括外径d并且所述外管状元件(4)包括内径D,D> d; - 两个轮毂(6),每个轮毂布置在所述圆柱形本体(2)的一端处; - 在所述内管状元件(3)和所述外管状元件(4)之间实现的至少一个热交换腔室(10); 其特征在于包括用于所述内部管状元件(3)的涂层(11); - 所述涂层(11)包括沿着围绕所述纵向(X-X)的螺旋路径布置的至少一个肋(12); 所述至少一个肋(12)在所述涂层(11)中制成单件并且在所述涂层(11)和所述外管状元件(4)之间实现至少一个螺旋形通道(13); - 所述第一螺旋形通道(13)至少部分地形成在所述涂层(11)中,使得所述至少一个肋(12)形成所述螺旋形通道(13)的侧壁; - 所述肋(12)包括多个径向穿通通道(31); - 所述外部管状元件(4)包括与所述径向穿通通道(31)连通的多个第一抽吸孔(30); - 所述径向穿通通道(31)与空气抽吸组件(32)连通。