Cylinder screen for a card
AssigneeTrutzschler GmbH & Co. KG
InventorsPaul Teichmann, Wolfgang Beneke, Heinrich Cremer, Guy Ludwig
Life of this patent
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Abstract
A carding machine has a card cylinder, a doffer cooperating with the card cylinder and a cylinder screen situated underneath the card cylinder and generally conforming to the surface curvature thereof. The cylinder screen has a screen face including a screening portion and a screenless terminal portion. The terminal portion is arranged adjacent the doffer. At least one slot-shaped opening is provided in the screenless terminal portion of the cylinder screen. The opening has a length dimension which is oriented parallel to the width dimension of the cylinder screen.
Claims6
In a cylinder screen of a carding machine which has a card cylinder and a doffer cooperating with the card cylinder;
- the cylinder screen being situated underneath the card cylinder and generally conforming to the surface curvature thereof;
- the cylinder screen having a width dimension extending parallel to the cylinder axis, a screen face including a screening portion and a screenless terminal portion adjoining the screening portion along a boundary and having an outer end spaced from said boundary;
- the terminal portion being arranged adjacent the doffer;
- the improvement comprising means defining a slot-shaped opening provided in said screenless terminal portion and having a length dimension oriented parallel to the width dimension of said cylinder screen;
- the distance of said slot-shaped opening from said outer end being smaller than from said boundary.
In a cylinder screen of a carding machine which has a card cylinder and a doffer cooperating with the card cylinder;
- the cylinder screen being situated underneath the card cylinder and generally conforming to the surface curvature thereof;
- the cylinder screen having a width dimension extending parallel to the cylinder axis, a screen face including a screening portion and a screenless terminal portion;
- the terminal portion being arranged adjacent the doffer;
- the improvement comprising means defining at least one slot-shaped opening provided in said screenless terminal portion;
- said opening having a length dimension oriented parallel to the width dimension of said cylinder screen;
- said cylinder screen terminating in a beaded rim situated between said cylinder and said doffer and following the curvature of said cylinder screen;
- said terminal portion of said screen face diverging from the curvature of said cylinder screen away from said cylinder as viewed from said beaded rim towards said slot-shaped opening.
Dependencies are inferred from the claim text.