Patent · US Expired

Device for aligning the attenuating fiber mats

US4290170A · kind A · utility

26Cited by
8References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 27, 1980
Grant dateSep 22, 1981
Priority date
Expiry dateMar 27, 2000

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65H2701/31
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

Device for aligning and attenuating soft or brittle fiber mats employing a rotating vacuum roller for gently grasping the fiber mats under sufficient compressive force to hold the same without breaking or otherwise damaging the fiber mats.

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