| 摘要 |
The invention relates to a method for manufacturing a cassette brush, said cassette brush being adapted for making a brush consisting of a plurality of consistent cassette brushes. The cassette brush comprises essentially a bristle component (1) and a stem component (2), manufactured integrally in a plastic-based material, said stem component including a support element (2a) for supporting bristles (1a) of the bristle component (1) and a coupling element (2b) for attaching the cassette brush to a sweeping machine. The cassette brush is manufactured from an elongated brush preform (1'), the bristles (la) therein being bonded by means of a fusion process (1's) bonding their ends to each other, whereafter a substantially solid-state moulding compound in a pre-bent form is extruded into contact with the fusion flange (1's) of the brush preform (1') for manufacturing the cassette brush's stem component (2) by means of a mould assembly from said moulding compound as it solidifies. The cassette brush is manufactured by bonding the stem component (2), such as the support element (2a) and the coupling element (2b), to its bristle component (1) by means of an over- or underpressure extrusion mechanism for producing the at least partially hollow stem component (2) on the sides of the bristle component (1) opposite to each other in a cross-sectional sense, the employed extrusion mould having its complementary surfaces (V) partially made up by utilizing opposite side faces (1'p) of the brush preform (1'). |
