Process and device for monitoring the quality of textile strips
AssigneeZellweger Luwa AG
InventorIsidor Harzenmoser
Life of this patent
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Abstract
The invention relates to a process and a device for monitoring the quality of a strip (37, 44, 50) made of textile fibres which is moved in its longitudinal direction. In order to create a device and a process which allow flaws in a strip to be dealt with in a targeted manner and which facilitate the production of a strip which is as free as possible of variations in the cross-section or mass, variations in the mass of the strip are to be continuously detected and converted into an electrical signal. This signal should also be compared with a plurality of predetermined limiting values, limiting values for variations transverse to the longitudinal direction being provided and limiting values for variations in the longitudinal direction of the strip being provided.
Claims9
Process for monitoring the quality of a strip made of textile fibers which is moved in its longitudinal direction, comprising:
- continuously detecting variations in the mass of the strip;
- converting the detected variations into an electrical signal;
- comparing the electrical signal with a plurality of predetermined limiting values, wherein the predetermined limiting values include a first set of limiting values being provided for variations transverse to the longitudinal direction and a second set of limiting values being provided for deviations in the longitudinal direction of the strip.
Dependencies are inferred from the claim text.