Patent ID: 6889925

Claim:
A support tube for winding yarn thereon formed of cardboard or other suitable material, said support tube having a substantially cylindrical or conical shape, a side surface, a first end extremity and a second end extremity, said support tube further including a first indentation formed on one of said first and second end extremity of said support tube for attaching and intercepting an end of a first yarn to be wound on the support tube and a second indentation on said side surface of said support tube spaced axially from said first indentation for attaching and intercepting an end of a second yarn to be wound on the support tube, whereby two hanks of yarn are formed on said support tube, and wherein said first indentation formed on an end extremity of said support tube is comprised of a through opening in said side surface at said end extremity having a downwardly formed oblique portion extending to a slit for holding the end of the first yarn, and the second indentation formed on the side surface of said support tube is comprised of a through opening in said side surface for holding the end of the second yarn.