Patent · US Expired

System for selective treatment of a traveling paper web

US6051068A · kind A · utility

22Cited by
12References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 31, 1997
Grant dateApr 18, 2000
Priority date
Expiry dateOct 31, 2017

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD21H23/72
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A system for selective treatment of a traveling web, preferably of paper or cardboard, by surface treatment or impregnation in which at least one coater is in the case of web treatment arranged after a dryer group for treatment of the one side of web. At least one further coater for treatment of the other side of the web is arranged before a further dryer group. Noncontact web deflectors are arranged after the coaters and noncontact dryers can be installed retroactively in existing dryer sections.

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