GB774238A - Improvements in or relating to ball-point pens - Google Patents

Improvements in or relating to ball-point pens

Info

Publication number
GB774238A
GB774238A GB8442/55A GB844255A GB774238A GB 774238 A GB774238 A GB 774238A GB 8442/55 A GB8442/55 A GB 8442/55A GB 844255 A GB844255 A GB 844255A GB 774238 A GB774238 A GB 774238A
Authority
GB
United Kingdom
Prior art keywords
reservoir
ink
particles
liquid
plug
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
GB8442/55A
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.)
WA Sheaffer Pen Co
Original Assignee
WA Sheaffer Pen Co
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 WA Sheaffer Pen Co filed Critical WA Sheaffer Pen Co
Publication of GB774238A publication Critical patent/GB774238A/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
    • B43K7/08Preventing leakage

Landscapes

  • Pens And Brushes (AREA)
GB8442/55A 1954-07-23 1955-03-23 Improvements in or relating to ball-point pens Expired GB774238A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US774238XA 1954-07-23 1954-07-23

Publications (1)

Publication Number Publication Date
GB774238A true GB774238A (en) 1957-05-08

Family

ID=22137955

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8442/55A Expired GB774238A (en) 1954-07-23 1955-03-23 Improvements in or relating to ball-point pens

Country Status (4)

Country Link
BE (1) BE537212A (OSRAM)
FR (1) FR1128495A (OSRAM)
GB (1) GB774238A (OSRAM)
NL (2) NL196309A (OSRAM)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1093936A4 (en) * 1998-05-27 2004-03-31 Mitsubishi Pencil Co WRITING INSTRUMENT
EP1008460A4 (en) * 1997-07-28 2004-03-31 Mitsubishi Pencil Co PROCESS FOR MAKING A CROWER FOR WATER-BASED BALLPOINT INK
EP1002663A4 (en) * 1997-07-31 2004-03-31 Mitsubishi Pencil Co METHOD FOR PRODUCING INK FOLLOWERS FOR BALLPOINT PENS WITH AQUEOUS INK

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1008460A4 (en) * 1997-07-28 2004-03-31 Mitsubishi Pencil Co PROCESS FOR MAKING A CROWER FOR WATER-BASED BALLPOINT INK
EP1002663A4 (en) * 1997-07-31 2004-03-31 Mitsubishi Pencil Co METHOD FOR PRODUCING INK FOLLOWERS FOR BALLPOINT PENS WITH AQUEOUS INK
EP1093936A4 (en) * 1998-05-27 2004-03-31 Mitsubishi Pencil Co WRITING INSTRUMENT

Also Published As

Publication number Publication date
NL196309A (OSRAM)
FR1128495A (fr) 1957-01-07
BE537212A (OSRAM)
NL97217C (OSRAM)

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