公开(公告)号：US4164839A

公开(公告)日：1979-08-21

申请号：US873758

申请日：1978-01-30

Applicant: Udo P. Schweizer

Inventor： Udo P. Schweizer

IPC: D02G3/28 ,  D02G3/36 ,  D02G3/38

CPC classification number: D02G3/286 ,  D02G3/36

Abstract: The invention relates to a process for the manufacture of a core/skin or core/sheath yarn, whose skin- or sheath-forming filament is wrapped around the core yarn in alternating "S" and "Z" directions. It relates furthermore to a device to carry out the process using otherwise known single spindle friction falsetwisting units.

Abstract translation: 本发明涉及一种用于制造芯/皮或芯/鞘纱的方法，其皮肤或鞘成形纤维以交替的“S”和“Z”方向缠绕在芯纱上。 本发明还涉及一种使用另外已知的单主轴摩擦阻尼单元执行该过程的装置。