EP 1775143 B1 20080521 - Free ink system
Title (en)
Free ink system
Title (de)
Druckregulierte freie Tintenzuführung
Title (fr)
Système à encre libre
Publication
Application
Priority
- EP 02717797 A 20020326
- US 27871601 P 20010326
Abstract (en)
[origin: EP1775143A1] A free ink marking instrument for dispensing an ink, including a housing, a reservoir for storing ink within the housing, a feed tube to convey ink communicating with the reservoir, a tip disposed within the feed tube for conveying ink to a substrate at a marking end of the tip, a porous buffer disposed within the housing adjacent the feed tube and configured for storing ink during periods of a decreasing pressure differential between the reservoir and the atmosphere, and bubble separation area in the form of either a hole in the feed tube or a hole or passage formed between the feed tube and the tip, is disclosed.
IPC 8 full level
B43K 8/03 (2006.01); B43K 8/04 (2006.01); B43K 8/18 (2006.01)
CPC (source: EP)
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
DOCDB simple family (application)
EP 07001556 A 20020326