DE29910459U1 - Writing instrument - Google Patents

Writing instrument

Info

Publication number
DE29910459U1
DE29910459U1 DE29910459U DE29910459U DE29910459U1 DE 29910459 U1 DE29910459 U1 DE 29910459U1 DE 29910459 U DE29910459 U DE 29910459U DE 29910459 U DE29910459 U DE 29910459U DE 29910459 U1 DE29910459 U1 DE 29910459U1
Authority
DE
Germany
Prior art keywords
section
implement according
feeder
storage space
writing implement
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE29910459U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SANFORD GMBH, DE
Original Assignee
Sanford Rotring Holding 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 Sanford Rotring Holding GmbH filed Critical Sanford Rotring Holding GmbH
Priority to DE29910459U priority Critical patent/DE29910459U1/en
Publication of DE29910459U1 publication Critical patent/DE29910459U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B43K8/02—Pens with writing-points other than nibs or balls with writing-points comprising fibres, felt, or similar porous or capillary material
    • B43K8/04—Arrangements for feeding ink to writing-points
    • 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
    • B43K5/18—Arrangements for feeding the ink to the nibs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens
    • B43K7/10—Arrangements for feeding ink to the ball points

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (6)

1. Schreibgerät mit einem schaftförmigen Gehäuse (1, 2), an dessen vorderem Ende eine Schreibspitze (4) vorgesehen ist und das einen Vorratsraum (15) für freie Tinte aufweist, dessen vorderes Ende über einen kapillaren Zuführer (3) in Verbindung mit der Schreibspitze (4) steht, sowie mit einem kapillaren Druckausgleichssystem, das einerseits mit dem Vorratsraum (15) und andererseits mit der Umgebungsluft in Verbindung steht und dessen Kapillarität am der Verbindung mit der Umgebungsluft näheren Ende kleiner als am der Verbindung mit dem Vorratsraum (15) näheren Ende ist, wobei die Kapillarität des Druckausgleichssystems kleiner als die des Zuführers (3) ist und dieses einen Lamellenkörper (9) aufweist, der zwischen sich kapillare Druckausgleichskammern bildende, sich radial erstreckende Trennwände (10) aufweist, dadurch gekennzeichnet, daß der Lamellenkörper (9) einen am vorderen Ende des Druckausgleichssystems liegenden ersten Abschnitt bildet und daß an dessen ersten Abschnitt nach hinten ein zweiter Abschnitt (12) aus offenporigem Material anschließt, dessen Kapillarität größer als die des ersten Abschnittes ist.1. Writing instrument with a shaft-shaped housing ( 1 , 2 ), at the front end of which a writing tip ( 4 ) is provided and which has a storage space ( 15 ) for free ink, the front end of which is connected to the capillary feeder ( 3 ) Writing tip ( 4 ), as well as with a capillary pressure compensation system, which is connected on the one hand to the storage space ( 15 ) and on the other hand to the ambient air and whose capillarity is smaller at the end closer to the connection with the ambient air than at the connection to the storage space ( 15 ) nearer end, the capillarity of the pressure compensation system being smaller than that of the feeder ( 3 ) and this having a lamellar body ( 9 ) which has radially extending partition walls ( 10 ) which form capillary pressure compensation chambers, characterized in that the lamellar body ( 9 ) forms a first section lying at the front end of the pressure compensation system d that a second section ( 12 ) of open-pored material adjoins its first section to the rear, the capillarity of which is greater than that of the first section. 2. Schreibgerät nach Anspruch 1, dadurch gekennzeichnet, daß die Porosität des zweiten Abschnittes 30% bis 90% beträgt.2. Writing implement according to claim 1, characterized in that the porosity of the second section is 30% to 90%. 3. Schreibgerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Außendurchmesser des zweiten Abschnittes (12) zumindest in etwa gleich dem Außendurchmesser der Trenn­ wände (10) des Lamellenkörpers (9) ist.3. Writing implement according to claim 1 or 2, characterized in that the outer diameter of the second section ( 12 ) is at least approximately equal to the outer diameter of the partition walls ( 10 ) of the lamellar body ( 9 ). 4. Schreibgerät nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der zweite Abschnitt (12) aus einem faserigen Material, aus einem Sinterkörper oder aus Schwammaterial besteht. 4. Writing implement according to one of claims 1 to 3, characterized in that the second section ( 12 ) consists of a fibrous material, a sintered body or sponge material. 5. Schreibgerät nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß sich der zweite Abschnitt (12) vom hinteren Ende des ersten Abschnittes bis unmittelbar vor die Trennwand (5) zum Vorratsraum (15) erstreckt.5. Writing implement according to one of claims 1 to 4, characterized in that the second section ( 12 ) extends from the rear end of the first section to immediately in front of the partition ( 5 ) to the storage space ( 15 ). 6. Schreibgerät nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der zweite Abschnitt (12) mit seinem hinteren Endbereich in Berührung mit dem Zuführer (3) steht, während zwischen dem vorderen Endbereich des zweiten Abschnittes (12) und dem Zuführer (3) eine Trennwand (11) vorgesehen ist.6. Writing implement according to one of claims 1 to 5, characterized in that the second section ( 12 ) with its rear end region is in contact with the feeder ( 3 ), while between the front end region of the second section ( 12 ) and the feeder ( 3 ) a partition ( 11 ) is provided.
DE29910459U 1999-06-10 1999-06-10 Writing instrument Expired - Lifetime DE29910459U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29910459U DE29910459U1 (en) 1999-06-10 1999-06-10 Writing instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29910459U DE29910459U1 (en) 1999-06-10 1999-06-10 Writing instrument

Publications (1)

Publication Number Publication Date
DE29910459U1 true DE29910459U1 (en) 2000-10-19

Family

ID=8074849

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29910459U Expired - Lifetime DE29910459U1 (en) 1999-06-10 1999-06-10 Writing instrument

Country Status (1)

Country Link
DE (1) DE29910459U1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6416242B1 (en) 1993-11-12 2002-07-09 Dataprint R. Kaufmann Gmbh Efficient fluid dispensing utensil
US6457892B1 (en) 2001-04-20 2002-10-01 Avery Dennison Corporation Writing instrument having a capillary hole through the container
US6497527B2 (en) 1995-08-14 2002-12-24 Dataprint R. Kaufmann Gmbh Liquid applicator implement
CN106827864A (en) * 2017-02-28 2017-06-13 谢媛 The liquid pens that can be still used under supine position

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2684052A (en) * 1948-09-11 1954-07-20 Parker Pen Co Writing instrument
DE1965140U (en) * 1967-04-26 1967-07-27 Faber Castell A W INK SUPPLY FOR FOUNTAIN PEN.
DE3530906C2 (en) * 1984-08-29 1994-12-08 Pilot Ink Co Ltd Pen
DE19529865A1 (en) * 1995-08-14 1997-02-20 Kaufmann R Dataprint Device for applying liquid to a base by means of an application element
DE29801533U1 (en) * 1998-01-31 1998-05-07 Staedtler Fa J S Ink pens

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2684052A (en) * 1948-09-11 1954-07-20 Parker Pen Co Writing instrument
DE1965140U (en) * 1967-04-26 1967-07-27 Faber Castell A W INK SUPPLY FOR FOUNTAIN PEN.
DE3530906C2 (en) * 1984-08-29 1994-12-08 Pilot Ink Co Ltd Pen
DE19529865A1 (en) * 1995-08-14 1997-02-20 Kaufmann R Dataprint Device for applying liquid to a base by means of an application element
DE29801533U1 (en) * 1998-01-31 1998-05-07 Staedtler Fa J S Ink pens

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP 0090193587 AA.,In: Patent Abstracts of Japan *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6416242B1 (en) 1993-11-12 2002-07-09 Dataprint R. Kaufmann Gmbh Efficient fluid dispensing utensil
US6497527B2 (en) 1995-08-14 2002-12-24 Dataprint R. Kaufmann Gmbh Liquid applicator implement
US6457892B1 (en) 2001-04-20 2002-10-01 Avery Dennison Corporation Writing instrument having a capillary hole through the container
CN106827864A (en) * 2017-02-28 2017-06-13 谢媛 The liquid pens that can be still used under supine position

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Legal Events

Date Code Title Description
R163 Identified publications notified
R079 Amendment of ipc main class

Free format text: PREVIOUS MAIN CLASS: B43K0005000000

Ipc: B43K0005180000

R207 Utility model specification

Effective date: 20001123

R150 Term of protection extended to 6 years

Effective date: 20030204

R081 Change of applicant/patentee

Owner name: SANFORD GMBH, DE

Free format text: FORMER OWNER: SANFORD ROTRING HOLDING GMBH, 22525 HAMBURG, DE

Effective date: 20030630

R151 Term of protection extended to 8 years

Effective date: 20050816

R152 Term of protection extended to 10 years

Effective date: 20070813

R071 Expiry of right