Patent · US Expired

Apparatus for the spreading the guiding of a web of flexible material

US4920622A · kind A · utility

12Cited by
5References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 12, 1988
Grant dateMay 1, 1990
Priority date
Expiry dateOct 12, 2008

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65H23/038
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An apparatus for guiding and spreading a textile web comprising spreading rollers extending across the full width of the web and mounted on a unit in the support for the spreading rollers, pairs of fingerlike guide rollers which can be inclined toward one another in the direction of travel of the web. The holders and the two pairs of guide rollers can be moved together and apart by a threaded spindle.

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