Opening cylinder for open-end spinning machines or the like

Details Opening cylinder for open-end spinning machines or the like Opening cylinder for open-end spinning machines or the like

1985-10-16

1986-12-02

Rimrodt, Louis K.

Textiles: fiber preparation

Working

Picking

19112, D01B 1900

Patent

active

046253661

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).

REFERENCES:
patent: 798913 (1905-09-01), Meyers
patent: 2694835 (1954-11-01), Sofio
patent: 2940129 (1960-06-01), Stewart
patent: 3646639 (1972-03-01), Burckhardt et al.

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