| 摘要 |
A dyeing cone (1) comprising a shell with apertures for the passage of the dyeing liquid, this shell defining an external surface (5) for the winding of the turns of yarn and an internal surface (7) for guiding along a bar of the dyeing machine; the internal surface consists of a first cylindrical portion (21) and of a second conical portion (23) whose smaller diameter is greater than the diameter of the cylindrical portion; ribs (31) projecting toward the axis of the cone extend on the conical portion (21), and constitute an extension of the cylindrical portion and in their lower part form a stop (31A) for a cone located below.
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