Patent · US Expired

Apparatus for tensioning copy masters

US6002469A · kind A · utility

0Cited by
3References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 30, 1998
Grant dateDec 14, 1999
Priority date
Expiry dateSep 30, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03B27/6285
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An apparatus for tensioning copy masters is described which has a guide for guiding the copy masters in a film transport direction (E). To place the copy masters under tension in a transverse direction (D) perpendicular to the film transport direction (E), the apparatus of the invention has a transverse tensioning device which includes clamping arrangement for clamping the copy masters. This clamping arrangement has a press-on member and a counter bearing, with the copy masters clamped between the press-on member and the counter bearing. The counter bearing of the invention is movable in the tensioning direction (D) perpendicular to the film transport direction (E).

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