Apparatus for coating aligned cords

Details Apparatus for coating aligned cords Apparatus for coating aligned cords

B - Operations, Transporting

29

C

18/755

B29C 47/02 (2006.01) B29C 47/14 (2006.01)

Patent

CA 1227314

APPARATUS FOR COATING ALIGNED CORDS Abstract of the Disclosure The present invention provides an apparatus for continuously coating aligned cords having knots or other enlarged irregularities therein. A cord-alignment baffle means of novel construction located at the cord entrance of an extrusion coating die assembly enables passage of splices such as knots. The baffle means comprises a plurality of cord- alignment apertures, each of which comprises a guide position and an enlarged knot-passing position. During operation of the coating process, cords are maintained in alignment as they pass through the die, and intermittent knots pass through the enlarged knot-passing positions of the alignment apertures. A bleed means controls the pressure within the extrusion chamber to prevent undesirable backflow through the enlarged knot- passing positions of the alignment apertures.

467431

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