GB669973A - Improvements in or relating to writing instruments - Google Patents

Improvements in or relating to writing instruments

Info

Publication number
GB669973A
GB669973A GB451/47A GB45147A GB669973A GB 669973 A GB669973 A GB 669973A GB 451/47 A GB451/47 A GB 451/47A GB 45147 A GB45147 A GB 45147A GB 669973 A GB669973 A GB 669973A
Authority
GB
United Kingdom
Prior art keywords
reservoir
ink
plug
air
ball
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
GB451/47A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB669973A publication Critical patent/GB669973A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens
    • B43K7/02—Ink reservoirs; Ink cartridges
    • B43K7/08—Preventing leakage

Landscapes

  • Pens And Brushes (AREA)
GB451/47A 1946-01-05 1947-01-06 Improvements in or relating to writing instruments Expired GB669973A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK669973X 1946-01-05

Publications (1)

Publication Number Publication Date
GB669973A true GB669973A (en) 1952-04-09

Family

ID=8152144

Family Applications (1)

Application Number Title Priority Date Filing Date
GB451/47A Expired GB669973A (en) 1946-01-05 1947-01-06 Improvements in or relating to writing instruments

Country Status (5)

Country Link
CH (1) CH286887A (OSRAM)
CY (1) CY124A (OSRAM)
GB (1) GB669973A (OSRAM)
MY (1) MY5400051A (OSRAM)
NL (1) NL81338C (OSRAM)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE944052C (de) * 1953-04-02 1956-06-07 Bruno V Zychlinski Dr Ing Abschlussmasse fuer Schreibmittel in Schreibgeraeten
DE972361C (de) * 1952-08-30 1959-07-09 Bruno V Dr-Ing Zychlinski Abschlusspfropfen fuer das Minenroehrchen von Kugelschreibern
DE1110548B (de) * 1953-04-02 1961-07-06 Henry George Martin Schreibgeraet mit Schreibkugel und Tintenbehaelter
DE1233748B (de) * 1959-07-21 1967-02-02 Staedtler Fa J S Abschlussmasse fuer Kugelschreiberminen
DE1274932B (de) * 1953-07-06 1968-08-08 Ernst Johan Jens Henriksen Kugelschreiber

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3190022B2 (ja) * 1998-06-17 2001-07-16 株式会社パイロット ボールペンレフィール

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE972361C (de) * 1952-08-30 1959-07-09 Bruno V Dr-Ing Zychlinski Abschlusspfropfen fuer das Minenroehrchen von Kugelschreibern
DE944052C (de) * 1953-04-02 1956-06-07 Bruno V Zychlinski Dr Ing Abschlussmasse fuer Schreibmittel in Schreibgeraeten
DE1110548B (de) * 1953-04-02 1961-07-06 Henry George Martin Schreibgeraet mit Schreibkugel und Tintenbehaelter
DE1274932B (de) * 1953-07-06 1968-08-08 Ernst Johan Jens Henriksen Kugelschreiber
DE1233748B (de) * 1959-07-21 1967-02-02 Staedtler Fa J S Abschlussmasse fuer Kugelschreiberminen

Also Published As

Publication number Publication date
CY124A (en) 1954-12-15
NL81338C (OSRAM)
CH286887A (de) 1952-11-15
MY5400051A (en) 1954-12-31

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