| 摘要 |
In apparatus for dusting an exposed upper elastomeric surface of a fabric reinforced vulcanizable tape, the tape is entrained about rollers such that a horizontal portion passes below at least one slit, of a feedbox containing zinc stearate, for spreading of the powder evenly on the tape, whereafter on a downstream portion of the tape which is inclined upwardly a brush serves to remove any excess powder from the dusted tape.
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