Device for heating a yarn in motion with removable heater block
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United States of America Patent
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Jul 26, 1994
Grant Date -
N/A
app pub date -
Jun 28, 1993
filing date -
Jul 8, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Device for heating a yarn in motion, of the type consisting of an insulating enclosure (15) which surrounds a heater block (E) with which it defines a lengthwise channel inside which the yarn (5) to be treated runs, means for guiding said yarn being provided to ensure its positioning, said heater block (E) consisting of a unit comprising at least two cylindrical sections (A, B) which have different diameters and are arranged one extending the other and which support, over their length, rings (1, 3, 4) equipped with guiding members making it possible to keep the yarn at a constant distance from the surface of small diameter, and making it possible to make the yarn describe a tangent helically with the cylindrical surface of large diameter. It is characterized in that one of the outermost faces (31) of the cowling surrounding the insulating enclosure and the heater block is removable and carries all the connections which make it possible to provide the electrical supply to the oven, its control etc., the heater block (E) being fastened by one of its ends to said removable face (31).
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