Apparatus on a spinning preparation machine for ascertaining...

Textiles: fiber preparation – Working – Drafting

Reexamination Certificate

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Reexamination Certificate

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07735202

ABSTRACT:
In an apparatus on a spinning preparation machine, for example a flat card, roller card, draw frame, combing machine or the like, for ascertaining the mass and/or fluctuations in the mass of a fiber material, for example at least one fiber sliver, fiber web or the like, of cotton, synthetic fibers or the like, the fiber material is scanned mechanically by a feeler element the excursions of which are converted into electrical signals. In order to facilitate improved and more accurate measurement of the fiber in a way that is simple in terms of structure and installation, a contactless distance sensor is provided for detecting the position of the feeler element, the sensor being a sensor that measures distance using transmitted waves, and is connected to an electronic evaluating device.

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