Apparatus for coating aligned cords

Details Apparatus for coating aligned cords Apparatus for coating aligned cords

1983-11-14

1986-01-07

Weston, Caleb

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Extrusion shaping means

118670, 118DIG18, 4251311, 4251335, 425461, 425467, B29F 310

Patent

active

045631409

ABSTRACT:
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.

REFERENCES:
patent: 3263271 (1966-08-01), Hannis
patent: 3737262 (1973-06-01), Klein
patent: 4300878 (1981-11-01), Ible
patent: 4308823 (1982-01-01), Klein
patent: 4377881 (1983-03-01), Bakewell et al.

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