Method of and apparatus for starting an open-end spinning machine

Method of and apparatus for operating an open end spinning machine having a plurality of spinning units each including a sliver feeding device, a fiber separating device, a twist forming element, a yarn taking-off device, yarn winding device and a reversing mechanism for returning the yarn end back into the twist forming element. The twist forming element and the fiber separating device are set in operation; thereafter the fiber feeding is started simultaneously with the yarn end reverse travel to return same into the twist forming element in which a fibrous ribbon is formed of the fibers supplied. After spinning-in said yarn end with said fibrous ribbon the yarn is again set into a forward operative travel.