EP 0368969 B1 19920729 - WRITING POINT FOR BALL-POINT PENS
Title (en)
WRITING POINT FOR BALL-POINT PENS
Publication
Application
Priority
DE 3818786 A 19880602
Abstract (en)
[origin: WO8911977A1] A writing point (A) for ball point pens comprises a receiving hole (2) for a writing ball (3), a rotating support surface (6) inclined to a central feed hole (4) and arranged between the latter and the receiving hole, feed channels (5) which open into the central feed hole and into the support surface, and spherical support regions (7) configured to match the ball. Intermediate surfaces (8) which increase the capillarity are arranged between the spherical support regions and the feed channels.
IPC 1-7
IPC 8 full level
B43K 1/08 (2006.01)
CPC (source: EP US)
B43K 1/084 (2013.01 - EP US)
Designated contracting state (EPC)
CH DE FR GB IT LI
DOCDB simple family (publication)
WO 8911977 A1 19891214; DE 3818786 C1 19900322; DE 58901948 D1 19920903; EP 0368969 A1 19900523; EP 0368969 B1 19920729; JP H02501557 A 19900531; US 5104249 A 19920414
DOCDB simple family (application)
DE 8900327 W 19890525; DE 3818786 A 19880602; DE 58901948 T 19890525; EP 89905642 A 19890525; JP 50537489 A 19890525; US 45969190 A 19900126