Patent · US Active

Fibre band opening device for an open-end spinning device and feed tray for the fibre band opening device

US11384455B2 · kind B2 · utility

0Cited by
5References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 18, 2020
Grant dateJul 12, 2022
Priority date
Expiry dateJun 18, 2040

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD01H4/32
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

Fibre band opening device for an open-end spinning device having a feed tray, a fibre band pull-in cylinder, and an opening roller having an opening roller clothing, the tips of which lie on a circular cylindrical surface, a support surface for fixing a fibre tuft, which is processed by the opening roller by combining, the distance of which support surface from the circular cylindrical surface is tapered in the fibre transport direction to a minimum distance, and a transition area having a convex curvature between the clamping surface and the support surface. The support surface has a distance of between 4 and 8 millimetres from the circular cylindrical surface at the beginning of the support surface with respect to the fibre transport direction, and the minimum distance of the support surface from the circular cylindrical surface is less than 1.5 millimetres.

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