Revised Standard from Last Update.

1. SCOPE

1.1 This standard prescribes the requirements of rings for spinning, doubling and twisting frames.

1.2 This standard covers both reversible and nonreversible rings for spinning frames which may be fixed to the rings rail directly or by means of holders. It also covers the rings for doubling and twisting frames for use with ‘HZ’, ‘J’, ‘HZCH’ types of ear-shaped travellers.

2. REFERENCES

The standards listed in Annex A contain provisions which, through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards listed in Annex A.