Patent · US Expired

Method and apparatus for drying a fiber web at elevated ambient pressures

US5669159A · kind A · utility

9Cited by

8References

21Claims

0Family size

Assignee

Institute of Paper Science and Technology, Inc. · US

Inventors

David Orloff · Atlanta, US
Timothy Patterson · Wilmington, US
Isaak Rudman · Atlanta, US

Key dates

Filing date	Mar 18, 1996
Grant date	Sep 23, 1997
Priority date	—
Expiry date	Mar 18, 2016

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF26B13/28
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A method and apparatus for drying a fiber web is provided by pressing the web, preferably by impulse drying and then introducing the web into a gas pressurized zone followed by reducing the pressure in the zone, the reduction preferably being effected with cooling of the fiber web.

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