ATE90277T1 - WRITING FLUID CONTAINER. - Google Patents

WRITING FLUID CONTAINER.

Info

Publication number
ATE90277T1
ATE90277T1 AT90104384T AT90104384T ATE90277T1 AT E90277 T1 ATE90277 T1 AT E90277T1 AT 90104384 T AT90104384 T AT 90104384T AT 90104384 T AT90104384 T AT 90104384T AT E90277 T1 ATE90277 T1 AT E90277T1
Authority
AT
Austria
Prior art keywords
permeable
fluid container
end wall
writing fluid
membrane
Prior art date
Application number
AT90104384T
Other languages
German (de)
Inventor
Ronald Broers
Original Assignee
Rotring Int Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rotring Int Gmbh filed Critical Rotring Int Gmbh
Application granted granted Critical
Publication of ATE90277T1 publication Critical patent/ATE90277T1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
    • B43K5/02—Ink reservoirs
    • B43K5/14—Exchangeable ink cartridges
    • B43K5/145—Exchangeable ink cartridges with valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K8/00—Pens with writing-points other than nibs or balls
    • B43K8/16—Pens with writing-points other than nibs or balls with tubular writing-points comprising a movable cleaning element
    • B43K8/165—Ink cartridges, ink reservoirs

Abstract

The ink reservoir has a side wall (1), a front end wall (2) having an outlet opening and an intermediate wall (7) which is located opposite the end wall (2) and consists, at least in a partial region, of a membrane which is permeable to air but not permeable to ink, and behind which a space is formed which serves as a pressure compensation chamber (10). In the region of the end wall (2), the ink reservoir has passage openings (5) which are covered by a membrane (6) which is permeable to air but not permeable to liquid. <IMAGE>
AT90104384T 1989-04-04 1990-03-08 WRITING FLUID CONTAINER. ATE90277T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3910787A DE3910787C1 (en) 1989-04-04 1989-04-04
EP90104384A EP0391083B1 (en) 1989-04-04 1990-03-08 Ink reservoir

Publications (1)

Publication Number Publication Date
ATE90277T1 true ATE90277T1 (en) 1993-06-15

Family

ID=6377769

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90104384T ATE90277T1 (en) 1989-04-04 1990-03-08 WRITING FLUID CONTAINER.

Country Status (5)

Country Link
EP (1) EP0391083B1 (en)
JP (1) JPH02286294A (en)
AT (1) ATE90277T1 (en)
DE (2) DE3910787C1 (en)
ES (1) ES2045597T3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19710871C2 (en) * 1997-03-15 2002-09-26 Eugen Philipps Device for applying liquids
EP1171316B1 (en) 1999-04-17 2002-10-16 Faber- Castell AG Applicator
FR3027556B1 (en) 2014-10-24 2016-11-25 SOCIéTé BIC PRESSURE DIFFERENCE COMPENSATION MEMBRANE
FR3067652B1 (en) * 2017-06-15 2020-09-25 SOCIéTé BIC FREE INK WRITING INSTRUMENT INCLUDING A MICROFLUIDIC VALVE

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1047934A (en) * 1950-08-03 1953-12-17 Ballpoint pen
CA1209093A (en) * 1982-03-16 1986-08-05 Thomas D. Hall Writing instruments and their manufacture
DE3703349A1 (en) * 1986-04-28 1987-10-29 Gore W L & Co Gmbh INK CARTRIDGE WITH VENTILATION BODY

Also Published As

Publication number Publication date
JPH02286294A (en) 1990-11-26
EP0391083A1 (en) 1990-10-10
DE59001653D1 (en) 1993-07-15
DE3910787C1 (en) 1990-09-27
EP0391083B1 (en) 1993-06-09
ES2045597T3 (en) 1994-01-16

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