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GB1282208A - Improvements in or relating to ink fillings for ball point pens - Google Patents

Improvements in or relating to ink fillings for ball point pens

Info

Publication number
GB1282208A
GB1282208A GB08940/70A GB1894070A GB1282208A GB 1282208 A GB1282208 A GB 1282208A GB 08940/70 A GB08940/70 A GB 08940/70A GB 1894070 A GB1894070 A GB 1894070A GB 1282208 A GB1282208 A GB 1282208A
Authority
GB
United Kingdom
Prior art keywords
ink
ball
reagents
solvent
vaporizes
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
Application number
GB08940/70A
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.)
Ananda Anlageanstalt
Original Assignee
Ananda Anlageanstalt
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 Ananda Anlageanstalt filed Critical Ananda Anlageanstalt
Publication of GB1282208A publication Critical patent/GB1282208A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43KIMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00Ball-point pens
    • B43K7/02Ink reservoirs; Ink cartridges
    • B43K7/03Ink reservoirs; Ink cartridges pressurised, e.g. by gas
    • B43K7/035Ink reservoirs; Ink cartridges pressurised, e.g. by gas the gas acting on a piston

Landscapes

  • Pens And Brushes (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

1282208 Ball-point pen inks ANANDA ANLAGEANSTALT 21 April 1970 [23 April 1969] 18940/70 Heading C4A [Also in Division B6] An ink filling for a ball-point pen comprises a dyestuff, a thickener, and a solvent which vaporizes progressively at room temperature; has a viscosity when mixed with a solvent which vaporizes almost immediately at room temperature, of at least 20,000 cp., and on evaporation thereof, of at least 70,000 cp.; and is urged towards the ball-point by the pressure of a gas produced in the free space between the end of the ink column and the plug closing the ink tube by the interaction of at least two reagents, at least one reagent comprising a highly viscous liquid or paste and an active substance, and at least one other reagent including a further substance reactive to generate a gas, the volume of free space being at least 1/5 of that of the ink, and the pressure generated by the reagents being 0À7- 7 atm. gauge initially, falling to 0À1-3 atm. gauge when the ink is exhausted. The highly volatile solvent may be diethyl ether, acetone, methyl, ethyl or isopropyl acetate, methanol, isopropanol, decalin, xylol, chloroform, dichloromethane or trichloroethylene, and the less volatile solvent benzyl alcohol or a glycol. The ink thickener may be polyvinyl pyrrolidone, polyethylene glycol wax, linseed oil of a high thickening grade, or a dispersion of silica, graphite or carbon black. The gasproducing reagents may be aqueous NaHCO 3 and aqueous acetic acid, each in a fat, wax, silica gel, polyvinyl pyrrolidone and/or polyethylene glycol supporting medium. In Examples 1 and 2 the ink also includes oleic acid.
GB08940/70A 1969-04-23 1970-04-21 Improvements in or relating to ink fillings for ball point pens Expired GB1282208A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH638169A CH547713A (en) 1969-04-23 1969-04-23 METHOD OF MANUFACTURING A BALLPOINT REFILL.

Publications (1)

Publication Number Publication Date
GB1282208A true GB1282208A (en) 1972-07-19

Family

ID=4308677

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08940/70A Expired GB1282208A (en) 1969-04-23 1970-04-21 Improvements in or relating to ink fillings for ball point pens

Country Status (6)

Country Link
US (1) US3659951A (en)
CH (1) CH547713A (en)
DE (1) DE2015494A1 (en)
ES (1) ES378796A1 (en)
FR (1) FR2046426A5 (en)
GB (1) GB1282208A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4077727A (en) * 1973-01-29 1978-03-07 Gordon S. Lacy Ball pen ink cartridges containing inks which do not form crystalline masses within copper or copper alloys
US4077807A (en) * 1975-02-20 1978-03-07 Gordon S. Lacy Ball pen inks which do not form clogging crystalline masses within copper or copper alloy ink cartridges
US4498797A (en) * 1979-05-17 1985-02-12 The Gillette Company Pressurized cartridge for a writing instrument
DE4027271C1 (en) * 1990-08-29 1992-02-06 Rotring-Werke Riepe Kg, 2000 Hamburg, De
DE4113079A1 (en) * 1991-04-22 1992-10-29 Michael Pfeffer Method of filling ink reservoir of ball pen - involves using sealed chamber for adding liquefied pressurising gas
US5324129A (en) * 1993-06-14 1994-06-28 Root Todd J Pivot head toothbrush with mirror
US5901425A (en) * 1996-08-27 1999-05-11 Topaz Technologies Inc. Inkjet print head apparatus
US5924810A (en) * 1997-11-05 1999-07-20 Bic Corporation Double seal system for pressurized writing device
WO2002055317A1 (en) * 2001-01-10 2002-07-18 Mitsubishi Pencil Kabushikikaisha Ball-point pen refill
JP3502088B2 (en) * 2002-05-31 2004-03-02 三菱鉛筆株式会社 Ink composition for pressure ballpoint pen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3000354A (en) * 1958-02-04 1961-09-19 Doleo S A Refill of a ball point writing means
US3074800A (en) * 1958-08-08 1963-01-22 Doleo S A Writing or painting substance for ball point pens and similar devices
US3425779A (en) * 1966-09-01 1969-02-04 Paul C Fisher Pressurized marking instrument

Also Published As

Publication number Publication date
CH547713A (en) 1974-04-11
ES378796A1 (en) 1973-02-01
DE2015494A1 (en) 1970-11-05
US3659951A (en) 1972-05-02
FR2046426A5 (en) 1971-03-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee