Apparatus for removing foreign metal bodies from a fiber transpo

Details Apparatus for removing foreign metal bodies from a fiber transpo Apparatus for removing foreign metal bodies from a fiber transpo

1989-07-24

1990-12-18

Schroeder, Werner H.

Textiles: fiber preparation

Working

Fluid or special treatment

19205, 19 80R, D01B 300

Patent

active

049776452

ABSTRACT:
A system for removing foreign metal bodies from a pneumatically conveyed stream of fiber material includes a fiber conveying duct in which the fiber material is pneumatically advanced; a branch-off location in the duct; a branch conduit joining the duct at the branch-off location; a metal detector for ascertaining the presence of a foreign metal body in the stream of fiber material at a sensing location upstream of the branch-off location; a channelling device arranged in the branch-off location for selectively directing the fiber stream into the branch conduit or, respectively, causing the fiber stream to continue travel in the duct past the branch-off location; a control device operatively connected to the metal detector and the channelling device for moving the channelling device into a removal position upon ascertaining the passage of a foreign metal body by the detector; and at least one bend in the duct for changing the direction of travel of fiber material in the duct. The bend is situated between the branch-off location and the sensing location.

REFERENCES:
patent: 2163242 (1939-06-01), Kagan
patent: 4171262 (1979-10-01), Lattmann et al.
patent: 4480753 (1984-11-01), Thomas et al.
patent: 4498215 (1985-02-01), Hergeth et al.
patent: 4707887 (1987-11-01), Leifeld et al.
patent: 4753353 (1988-06-01), Kramer
patent: 4763792 (1988-08-01), Kind
patent: 4805266 (1989-02-01), Leifeld et al.

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