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US 4,839,943 AGranted
Apparatus for detecting foreign bodies in a fiber tuft mass
AssigneeTrutzschler GmbH & Co. KG
InventorFerdinand Leifeld
Life of this patent
Estimating the term…
Abstract
An arrangement for ascertaining the presence of foreign bodies in a mass of fiber tufts comprises a fiber tuft-supporting surface; a device for providing a loose fiber tuft layer on the tuft-supporting surface; a foreign body detecting apparatus arranged for scanning the fiber tuft layer for foreign bodies; and a moving device for effecting relative displacement between the fiber tuft layer and the apparatus.
Claims17
An arrangement for ascertaining the presence of foreign bodies in, and their removal from a mass of fiber tufts, comprising
- (a) a conveyor having a fiber tuft supporting surface;
- (b) means for forming a loose fiber tuft layer on said surface;
- (c) driving means for advancing the conveyor for moving the loose fiber layer in a conveying direction;
- (d) a foreign body detecting apparatus arranged for scanning the fiber tuft layer for ascertaining a presence of a foreign body at a first location and including signal generating means for generating a signal upon ascertaining said presence;
- and
- (e) a foreign body removing means operatively connected to said signal generating means for removing the foreign body at a second location upon receipt of said signal;
- said second location being downstream of said first location as viewed in said conveying direction.
4 more elements
Dependencies are inferred from the claim text.