Patent · US Expired

Maintenance device for folding/insertion machine

US6647580B2 · kind B2 · utility

1Cited by
4References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 27, 2001
Grant dateNov 18, 2003
Priority date
Expiry dateJan 24, 2022

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB43M5/04
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

This invention relates to a device for maintaining the take-up rollers of document feeders of a folding/insertion machine, comprising a sheet imbibed with a liquid maintenance product and intended to be entrained inside the machine by the take-up rollers, this self-cleaning sheet comprising retaining means for stopping its advance in the machine and allowing its withdrawal once the take-up rollers of the feeder are stopped.

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