Patent · US Expired

Combination calender

US6884058B2 · kind B2 · utility

4Cited by

7References

16Claims

0Family size

Assignee

SML MASCHINENGESELLSCHAFT M.B.H. · AT

Inventors

Rupert Becker · Quedlinburg, DE
Bruno Hans Haider · Ballston Lake, US

Key dates

Filing date	Aug 6, 2002
Grant date	Apr 26, 2005
Priority date	—
Expiry date	May 2, 2023

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29C48/914
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

Device (1) for manufacturing plastics films from a plastics melt and having a roll frame (3) in which at least one chill roll (2) is rotatably mounted, an exchangeable part of the device (1), for pressing the plastics melt against the chill roll (2) mounted in the roll frame (3) and for chilling the same, being attachable to the roll frame (3) and for the manufacture of plastics films with different characteristics, various modules (10) being provided as the exchangeable part, so that the device (1) allows different plastics films to be made by means of different manufacturing methods.

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