Patent ID: 8307622

Claim:
Two-for-one twisting or cabling spindle apparatus ( 1 ) comprising a supply bobbin ( 4 ) mounted within a stationary protective pot ( 3 ) and a spindle ( 6 ) arranged below the protective pot ( 3 ) to guide a yarn ( 5 ) to be processed during a twisting or cabling process, the spindle ( 6 ) being rotatably mounted by means of a lower bearing device ( 7 ) in a bearing housing ( 9 ) fixed on a spindle rail ( 8 ) and an upper bearing device ( 11 ) mounted to the stationary protective pot ( 3 ), wherein the largest diameter (d) of the rotatably mounted spindle ( 6 ) is at least 10% less than the diameter (D) of a touching line ( 23 ) of the stationary protective pot ( 3 ) with the yarn ( 5 ), and the yarn ( 5 ), between touching line ( 23 ) and a stationary balloon yarn guide ( 33 ) disposed above the protective pot ( 3 ), forms a relatively narrow yarn balloon ( 50 ).