Heating chamber for processing advancing yarn

Details Heating chamber for processing advancing yarn Heating chamber for processing advancing yarn

1983-12-19

1985-07-16

Camby, John J.

Heating

Advancing structure flexing, looping or coiling sheet, web...

34160, F27B 928, F26B 1300

Patent

active

045293783

ABSTRACT:
A yarn heating chamber is disclosed which is adapted for thermally processing an advancing yarn. The chamber comprises first and second members each having a discontinuity in the form of a groove, shoulder or the like in the front surface thereof, and the members are movably mounted with respect to each other between an operative position wherein the discontinuities are positioned relative to each other to define a relatively narrow yarn passage, and a threading position defining an enlarged opening to facilitate threading. Also, at least one of the first and second members includes a rear surface which faces oppositely from the front surface of such member. Heating means is provided for introducing a hot pressurized vapor into the yarn passage when the members are in the operative position, and a portion of the hot pressurized vapor is directed into contact with the rear surface so that the hot pressurized vapor acts to bias the front surfaces toward each other to provide a firm contact therebetween.

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