Opening cylinder for open-end spinning machines or the like
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United States of America Patent
Stats
-
Dec 2, 1986
Grant Date -
N/A
app pub date -
Oct 16, 1985
filing date -
Oct 18, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to an opening cylinder for open-end spinning machines or the like comprising a cylindrical basic body (1) with helically extending grooves (2) for the accommodation for fittings. To achieve high combing quality with easy replaceability of the fittings and low cost weight-saving design of the basic body, it is provided according to the invention that the grooves (2) for the accommodation of the root (9) of a needle-bar (8) exhibit an undercut and run at an acute angle (.alpha.) to the longitudinal axis (3) of the cylindrical basic body (1).
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