A - Human Necessities – 45 – D
Patent
A - Human Necessities
45
D
207/28
A45D 34/04 (2006.01) B43K 7/06 (2006.01) B43K 7/10 (2006.01) B43K 8/04 (2006.01) C09D 11/16 (2006.01)
Patent
CA 1231672
ABSTRACT DEVICE FOR PREVENTING DRYING OF INK IN WRITING INSTRUMENT A device for preventing drying of ink in the writing instrument using ink and, in particular, the writing instru- ment provided with a tubular holder made of synthetic resin. In the writing instrument internally provided with a tubular ink-cartridge containing ink, a liquid retainer im- pregnated with liquid whose vapor pressure is higher than that of ink in the ink-cartridge is provided in the inner space of the holder so as to control evaporation of ink from the car- tridge by the use of vapor evaporating from the abovesaid liquid and to prevent total or partial loss of applicability of the writing instrument to writing even after the instrument is kept unused for a long time.
442119
Inoue Shigeyasu
Ozu Tatsuya
Yamamoto Hiroyoshi
Riches Mckenzie & Herbert Llp
Sakura Color Products Corporation
LandOfFree
Device for preventing drying of ink in writing instrument does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Device for preventing drying of ink in writing instrument, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Device for preventing drying of ink in writing instrument will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1204738