Patent · US Active

Apparatus and method for shrinking synthetic filter fabric

US12122086B2 · kind B2 · utility

0Cited by

3References

5Claims

0Family size

Assignee

Valmet Technologies, Inc. · FI

Inventors

Tapio Salminen · Espoo, FI
Antti Mäkinen · Espoo, FI

Key dates

Filing date	Oct 12, 2021
Grant date	Oct 22, 2024
Priority date	—
Expiry date	Sep 11, 2042

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29L2031/14
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

At least one infrared element arrangement having at least one infrared element (3) comprising a plurality of infrared radiators (4) is mounted on a frame moveable with respect to a synthetic filter fabric mounted to a filtering surface. The frame may have wheels or the like such that the infrared radiators may be moved along the length of the filtering surface to heat the synthetic filter fabric (6) to a temperature of 100 to 160° C. for shrinking the fabric (6) on the filtering surface (5).

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