Apparatus and method for heating filament yarn
A heating device, filament technology, used in textiles and papermaking, etc.
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[0028] exist figure 1 shows schematically a longitudinal section through a first embodiment of a heating device according to the invention, which can be used, for example, in a texturing machine to heat texturized filaments for stress treatment in the shrinkage zone. FIG. 2 shows a front view of an exemplary embodiment of a heating device according to the invention. The following description applies to both figures unless specifically stated for one figure.
[0029] An exemplary embodiment of the heating device according to the invention has a long heating channel 1 with a wall 3 . In the present embodiment, the heating channel 1 with the wall 3 is formed by a thin-walled tube. The heating channel 1 is open at the end faces. An insert 5 is inserted into the heating channel 1 . The insert 5 has a longitudinal groove 12 in which the filaments 13 run in contact therewith. For this purpose, the longitudinal grooves 12 have a curvature on the groove base which is arranged in t...
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