Patent ID: 8007276
Filing Date: 2011-08-30
Classification: D01F,D02J

Abstract:
1. A fiber treatment oven comprising: a. a heated enclosure for heating fibers as the fibers are drawn through the enclosure, the enclosure having two end walls; b. a plurality of slots in the end walls to allow fibers to be fed to and from the enclosure, wherein a rotating gate is disposed above each of the plurality of slots and a complementary rotating gate is disposed below each of the plurality of slots, and wherein the gates are attached to the end wall at a proximal edge by hinges and are operatively connected to a first linkage at a first end of a distal edge; c. a plurality of adjustable gates located proximate the slots and configured to increase or decrease the effective area of the slots; and d. a linkage connecting at least some of the gates so that more than one gate can be adjusted at a time.