| 摘要 |
<p>A fibre opening device (5) for use in apparatus for spinning fibres into yarns comprising a housing (H) in which an opening roller (4) is rotatably mounted, the housing having a trash separation zone (10) and a fibre stripping zone (11) and the roller having a cylindrical working surface from which combing elements project and being substantially hollow with holes extending through the wall defining the cylindrical working surface to permit a flow of air therethrough, wherein cleaning means are provided for the interior of the roller, the cleaning means consisting of a vacuum suction device (13) and a compressed air jet device (15) which remove trash, dust and short fibres from the interior of the roller. It is preferred that the air jet device is in front of the suction device relative to the rotation of the roller and on the side of the roller remote from where combing of fibres occurs.</p> |
