EP 0243691 B1 19890802 - PROCESS AND APPARATUS FOR MANUFACTURING POROUS WRITING POINTS
Title (en)
PROCESS AND APPARATUS FOR MANUFACTURING POROUS WRITING POINTS
Publication
Application
Priority
DE 3614230 A 19860426
Abstract (en)
[origin: US4733586A] A method of and apparatus for the production of wicking tips for pens and markers in which the blanks, pointed at their ends, are first notched on opposite sides and are then cut through between the notches to form two tips from each blank. The invention simplifies the sharpening and dressing required of the tools which are used.
IPC 1-7
IPC 8 full level
B43K 1/12 (2006.01); B43K 15/02 (2006.01)
CPC (source: EP US)
B43K 1/12 (2013.01 - EP US); B43K 15/02 (2013.01 - EP US); Y10T 29/49794 (2015.01 - EP US); Y10T 29/49995 (2015.01 - EP US); Y10T 83/0304 (2015.04 - EP US); Y10T 83/0524 (2015.04 - EP US); Y10T 83/412 (2015.04 - EP US); Y10T 83/744 (2015.04 - EP US)
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
US 4733586 A 19880329; AT E45123 T1 19890815; DE 3614230 C1 19870827; DE 3760381 D1 19890907; EP 0243691 A1 19871104; EP 0243691 B1 19890802; ES 2009814 B3 19891016; GR 3000156 T3 19901231
DOCDB simple family (application)
US 4315987 A 19870427; AT 87104545 T 19870327; DE 3614230 A 19860426; DE 3760381 T 19870327; EP 87104545 A 19870327; ES 87104545 T 19870327; GR 890400072 T 19890918