Sealed yarn heating chamber

Details Sealed yarn heating chamber Sealed yarn heating chamber

1983-12-19

1986-01-21

Camby, John J.

Heating

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

34160, 34242, 432242, F27B 928, F27D 118, F26B 1300, F26B 2500

Patent

active

045655243

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 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, heating means is provided for introducing saturated water vapor into the yarn passage in the operative position. A pair of longitudinal sealing strips are mounted on at least one of the mating surfaces and extend along opposite sides of the discontinuity, so that in the operative position, the saturated water vapor is adapted to enter into the gap between any non-contacting portions of the surfaces of the members lying between the sealing strips to thereby achieve substantial heat transfer from the condensation of the water vapor.

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