Spinning preparatory machine and a housing for a drafting assembly of a spinning preparatory machine
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United States of America Patent
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N/A
Issued Date -
Jul 6, 2006
app pub date -
Oct 26, 2005
filing date -
Oct 27, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention concerns a spinning preparatory machine (1) with a drafting assembly (4) encompassing multiple roll pairs (5, 6, 7) by which a fiber band (FB') can be drafted. The roll pairs (5, 6, 7) possess upper rolls (5a, 6a, 7a) and under rolls (5b, 6b, 7b). The roll pairs (5, 6, 7) are installed in a housing (15), wherein the roll pairs are protected from ambient atmospheric conditions about the preparatory machine (1) and from components thereof. A temperature controller (20) functions with the housing (15) to bring about internally a desired operational temperature, which is independent of temperature external to the housing (15).
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