DE2357189A1 - Felt pen tips - contain wear-resistant additives to aid longevity and dimensional stability - Google Patents

Felt pen tips - contain wear-resistant additives to aid longevity and dimensional stability

Info

Publication number
DE2357189A1
DE2357189A1 DE2357189A DE2357189A DE2357189A1 DE 2357189 A1 DE2357189 A1 DE 2357189A1 DE 2357189 A DE2357189 A DE 2357189A DE 2357189 A DE2357189 A DE 2357189A DE 2357189 A1 DE2357189 A1 DE 2357189A1
Authority
DE
Germany
Prior art keywords
dimensional stability
longevity
aid
felt pen
resistant additives
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.)
Pending
Application number
DE2357189A
Other languages
German (de)
Inventor
Wolfgang Kupferschmidt
Christoph Manusch
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.)
Gunther Wagner Pelikan Werke GmbH
Original Assignee
Gunther Wagner Pelikan Werke 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 Gunther Wagner Pelikan Werke GmbH filed Critical Gunther Wagner Pelikan Werke GmbH
Priority to DE2357189A priority Critical patent/DE2357189A1/en
Publication of DE2357189A1 publication Critical patent/DE2357189A1/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K1/00—Nibs; Writing-points
    • B43K1/12—Writing-points comprising fibres; Felt pads

Landscapes

  • Pens And Brushes (AREA)

Abstract

Conditions for extruding a fibre bunle for use in felt pens are described in parent patent. Wear-resistant matls. are now added to the spinning dope. The matls. may be glass fibres, MOS2 and/or metallic whiskers. The dimensional stability and life of the tip is improved.

Description

Hannover, den 15.11.1973 pat-ht-wfHanover, November 15, 1973 pat-ht-wf

Verfahren zur Herstellung von Faserschreiber-Schreibdochten Process for the production of fiber-tip writing wicks

Das -ftatent ... (Patentanmeldung P 2j5 38 605.2) betrifft ein Verfahren zur Herstellung von Pasersträngen aus Thermoplasten insbesondere zur Verwendung als Schreibdochte in Faserschreibern. Nach diesem Verfahren soll ein Bündel von Fasern von der Rolle oder unmittelbar aus Spinndüsen in eine formende Matrize geführt und darin einer Wärmeeinwirkung ausgesetzt werden, wobei das Material an dieser Stelle gleichzeitig einem Druck ausgesetzt ist und die Temperaturführung so abgestimmt ist, daß jeweils nur eine Oberflächenerwärmung bis knapp unterhalb des Schmelzpunkts des verwendeten Thermoplasten stattfindet, und daß dadurch die oberflächig plastischen Stränge beim Wiedererkalten an den Kontaktstellen miteinander verkleben.The -ftatent ... (patent application P 2j5 38 605.2) relates to a method for the production of fiber strands from thermoplastics, in particular for use as writing wicks in fiber pens. According to this procedure, a bundle of fibers should be taken from the roll or fed directly from spinnerets into a forming die and exposed to heat at the same time, the material is subjected to pressure and the temperature control at this point is coordinated so that only one surface heating to just below the melting point of the thermoplastics used takes place, and that thereby the superficially plastic strands during Glue them together at the contact points when they have cooled down again.

Weitere Arbeiten in Fortführung des Erfindungsgedankens haben gezeigt, daß es zweckmäßig und vorteilhaft ist, dem thermoplasten Material in der Schmelze abriebfeste Beimengungen zur Erhöhung der Formstabilität, der Abriebfestigkeit und der Lebensdauer des Endprodukts beizugeben. Als solche Beigaben werden vornehmlich Glasfaser, Molybdändisulfid oder Metallwhysker verwendet,Further work in continuation of the inventive concept have shown that it is expedient and advantageous to make the thermoplastic material abrasion-resistant in the melt Additions to increase the dimensional stability, the abrasion resistance and the service life of the end product to be added. Glass fiber, molybdenum disulphide or metal whysker are mainly used as such additions.

509827/0307509827/0307

ORIGINAL INSPECTEDORIGINAL INSPECTED

Claims (2)

Hannover, den 15-11.1973 pat-ht-wfHanover, November 15th, 1973 pat-ht-wf PatentansprücheClaims Γ 1 ·) Verfahren zur Herstellung aus Thermoplasten Insbesondere zur Verwendung als Schreibdochte in Faserschreibern nach ttettptßatent ... (Patentanmeldung P 23 38 605.2),Γ 1 ·) Process for manufacturing from thermoplastics In particular for use as writing wicks in fiber pens according to ttettptßatent ... (patent application P 23 38 605.2), dadurch gekennzeichnet,characterized, daß dem Ausgangsmaterial in der Schmelze Beimengungen aus abriebfestem Material zugefügt werden.that additions of abrasion-resistant material are added to the starting material in the melt. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet,2. The method according to claim 1, characterized in that daß derartige Beimengungen aus Glasfaser, Molybdändisulfid, Metallwhysker einzeln oder in Mischungen miteinander bestehen.that such admixtures of glass fiber, molybdenum disulfide, Metallwhysker exist individually or in mixtures with one another. 509827/0307509827/0307
DE2357189A 1973-11-16 1973-11-16 Felt pen tips - contain wear-resistant additives to aid longevity and dimensional stability Pending DE2357189A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE2357189A DE2357189A1 (en) 1973-11-16 1973-11-16 Felt pen tips - contain wear-resistant additives to aid longevity and dimensional stability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2357189A DE2357189A1 (en) 1973-11-16 1973-11-16 Felt pen tips - contain wear-resistant additives to aid longevity and dimensional stability

Publications (1)

Publication Number Publication Date
DE2357189A1 true DE2357189A1 (en) 1975-07-03

Family

ID=5898240

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2357189A Pending DE2357189A1 (en) 1973-11-16 1973-11-16 Felt pen tips - contain wear-resistant additives to aid longevity and dimensional stability

Country Status (1)

Country Link
DE (1) DE2357189A1 (en)

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