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LT - Verfahren zur Oberflächenbehandlung bei der Herstellung eines Presswerkzeuges aus Glaskohlenstoff zum Blankpressen von Linsen.
EN - Method for treating a surface during the production of a pressing tool made out off glasscarbon for the production of lenses.

Legal status

Patent not validated

Bibliographic data
Indications of the International Patent Classification (IPC)
(51) INT.CL. B23H 3/00
C25D 3/00
European patent
(11) Number of the document 2058076
(13) Kind of document T
(96) European patent application number 08022416.5
Date of filing the European patent application 2007-04-20
(97) Date of publication of the European application 2009-05-13
(45) Date of publication and mention of the grant of the patent 2014-05-07
(46) Date of publication of the claims translation
Priority applications
(30) Number Date Country code
102006019189 2006-04-21 DE
102006030323 2006-06-30 DE
Inventors
(72)
Quenzer, Hans-Joachim, DE
Zwicker, Gerfried, DE
Grantee
(73) Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., Hansastrasse 27c, 80686 München, DE
Title
(54) Verfahren zur Oberflächenbehandlung bei der Herstellung eines Presswerkzeuges aus Glaskohlenstoff zum Blankpressen von Linsen.
  Method for treating a surface during the production of a pressing tool made out off glasscarbon for the production of lenses.
Last update date 2021-04-30