| 摘要 |
A beam (11) for supporting therearound elongate strips of textile material for uniform treatment with a treatment liquid, comprising a rotatable perforated cylindrical tube (15). The perforated cylindrical tube (15) includes a central barrel portion (17), a pair of flanges (20, 20 min ) disposed at its opposite ends, and a pair of conical portions (21, 21 min ) each disposed between the central barrel portion and a respective one of the flanges (20, 20 min ). |
