Carding

A method of carding cotton, man-made or a mixture of cotton and man-made textile fibres in a carding machine, comprising the steps of:

• feeding the fibres to a first roller having flat-topped card-clothing, whereby the fibres are carried forward on said first roller;
• subsequently pulling at least some of the fibres on the first roller into the flat-topped card-clothing thereon by means of a second card-clothed roller or a brush roller co-operating with the first roller at a position beyond that at which the fibres are fed to the first roller, having regard to the direction of motion of the first roller, whereby at least some of the trash carried by the fibres is left exposed on the flat tops of the flat-topped card-clothing;
• subjecting the exposed trash on the first roller to the action of a trash removing device co-operating with the first roller;
• removing the fibres from the first roller, and subjecting the fibers to a card action between a card-clothed cylinder and at least one card-clothed plate or flat.

A method of carding cotton, man-made or a mixture of cotton and man-made textile fibres in a carding machine, comprising the steps of:

• feeding the fibres onto a first roller having flat-topped card-clothing, whereby the fibres are carried forward on the first roller;
• subsequently pulling at least some of the fibres on the first roller into the flat-topped card-clothing therein by means of a second card-clothed roller or a brush roller co-operating with the first roller at a position beyond that at which the fibres are fed to the first roller, having regard to the direction of motion of the first roller, whereby at least some of the trash carried by said fibres is left exposed on the flat tops of the flat-topped card-clothing;
• subjecting the exposed trash to:
• (i) a breaking action between a beater roller and the card-clothing on the first roller;
• (ii) detachment from the fibres by the action between the beater roller and the card-clothing on the first roller;
• and (iii) suction, removing detached, broken and free trash and dust from the fibres on the first roller;
• removing the fibres from the first roller;
• and subjecting the fibres to a carding action between a card-clothed cylinder and at least one card-clothed plate or flat.

A flat type cotton carding machine including:

• at its feed end, a roller clothed with card-clothing having flat-topped teeth;
• a trash removing device co-operating mechanically with said flat-topped card-clothed roller;
• roller means positioned in advance of said trash removing device for pulling cotton fibres into said flat-topped card-clothing sufficiently to permit said trash removing device to remove trash from the cotton fibres and loosen remaining debris in the cotton fibres;
• and a carding cylinder cooperating with at least one flat or carding plate for opening the cotton fibres and permitting removal of debris previously loosened by said trash removing device.