Patent · US Expired

Foil stretching plant

US5184379A · kind A · utility

3Cited by

3References

9Claims

0Family size

Assignee

LENZING AKTIENGESELLSCHAFT · AT

Inventors

Johann Bloo · Seewalchen, AT
Ewald Romauer · Vöcklabruck, AT
Alois Hollerwoger · Lenzing, AT

Key dates

Filing date	Feb 11, 1991
Grant date	Feb 9, 1993
Priority date	—
Expiry date	Feb 11, 2011

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29C55/06
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

Foil stretching plant comprising a plurality of zones, more particularly a heating zone I, a stretching zone II, a stabilizing zone III and a cooling zone IV. The individual zones I, II, III and IV are designed as modules which can be installed and removed individually. Of these, at least the module designed as a stretching zone II can be installed upside down and can succeed in upside down position a first stretching zone II. In that arrangement the second stretching module can replace a stabilizing zone III.

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