Patent · US Expired

Open end spinning apparatus

US4002016A · kind A · utility

5Cited by

3References

10Claims

0Family size

Assignee

VEB Spinnereimaschinenbau

Inventors

Peter Fischer · Bad Neustadt an der Saale, DE
Bruno Schmidt · Holiday, US
Rolf Langer · Plaisir, FR
Gunter Trommer · Plaisir, FR

Key dates

Filing date	Aug 13, 1975
Grant date	Jan 11, 1977
Priority date	—
Expiry date	Aug 13, 1995

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD01H4/00
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

In an open end spinning apparatus for converting staple fibers into yarn, the apparatus comprising a rotor having a rotatable surface to which a substantially parallel array of the fibers is fed substantially along the axis of the rotor and by engagement with which the fibers are twisted together, the improvement comprising a needle non-rotatably mounted adjacent the rotor and having a free end impinging on the path of travel of the array of fibers to the rotor and being directed obliquely of the rotor axis in the direction of the rotor, whereby the needle engages the array of fibers and thereby holds back the fibers at that point from co-rotating with the fibers engaged by the rotor.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.