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    • 1. 发明申请
    • REUSABLE YARN TUBE
    • 可重复使用的纱管
    • WO2005056453A1
    • 2005-06-23
    • PCT/US2004/041118
    • 2004-12-08
    • SARA LEE CORPORATIONLEAR, Joseph, W.MEHTA, MacGREEAR, J. Lynn
    • LEAR, Joseph, W.MEHTA, MacGREEAR, J. Lynn
    • B65H75/10
    • B65H75/10B65H75/50B65H2701/31
    • A reusable yarn tube (10) includes a hollow tube (11) having a substantially cylindrical wall (12) and an outer surface (14) adapted to carry a yarn (20) on the tube surface. The tube (10) includes a starting groove (16) in the outer surface (14) near one end of the tube (10) and an opposite, yarn-unwinding end (18). A pre-formed sleeve (30) having a smooth surface (31) is form-fitted about a portion of the outer surface (14) of the tube (10) and an end 17, 18) of the tube. In this manner, the sleeve (30) provides a smooth surface (31) for the yarn (20) to be wound onto and unwound from the tube (10). Preferably, the sleeve (30) is formed about the yarn-unwinding end (18) of the tube and across the thickness (13) of the cylindrical wall (12) without contacting the inside surface (19) of the tube (10). Such a reusable yarn tube (10) is useful for preventing yarn snags on defects in and about the ends of the tube (10).
    • 可重复使用的纱管(10)包括具有基本上圆柱形壁(12)的中空管(11)和适于在管表面上承载纱线(20)的外表面(14)。 管(10)包括靠近管(10)的一端的外表面(14)中的起始槽(16)和相对的纱线展开端(18)。 具有光滑表面(31)的预成形套筒(30)围绕管(10)的外表面(14)的一部分和管的端部17,18形成配合。 以这种方式,套筒(30)提供用于纱线(20)被卷绕并从管(10)展开的光滑表面(31)。 优选地,套筒(30)围绕管的纱线退绕端(18)形成,并跨越圆筒壁(12)的厚度(13)而不与管(10)的内表面(19)接触。 这种可重复使用的纱线管(10)可用于防止在管(10)的端部和周围的缺陷上的纱线堵塞。