EP0951398A1 - Crayon a bille - Google Patents

Crayon a bille

Info

Publication number
EP0951398A1
EP0951398A1 EP97945205A EP97945205A EP0951398A1 EP 0951398 A1 EP0951398 A1 EP 0951398A1 EP 97945205 A EP97945205 A EP 97945205A EP 97945205 A EP97945205 A EP 97945205A EP 0951398 A1 EP0951398 A1 EP 0951398A1
Authority
EP
European Patent Office
Prior art keywords
axis
nib member
ball point
ball
writing instrument
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.)
Withdrawn
Application number
EP97945205A
Other languages
German (de)
English (en)
Inventor
Mark Arthur Seddon
Clive Barnes
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.)
Berol Corp
Original Assignee
Gillette Co LLC
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 Gillette Co LLC filed Critical Gillette Co LLC
Publication of EP0951398A1 publication Critical patent/EP0951398A1/fr
Withdrawn legal-status Critical Current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
    • B43K7/005—Pen barrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K23/00—Holders or connectors for writing implements; Means for protecting the writing-points
    • B43K23/004—Holders specially adapted for assisting handicapped or disabled persons to write

Definitions

  • This invention relates to writing instruments and in particular concerns a ball point pen, i.e. a pen with a rotatable ball for contacting the paper during writing.
  • Ball point pens have been in use for many years and are very popular with users. Nonetheless they are not without some drawbacks.
  • Most ball point pens in production and available on the market have their ball tip elements directed axially of the pen barrel from which they project. As a result of this arrangement the tip elements operate most efficiently when the pens are held perpendicular to the paper. It is usual, however, for a pen to be held during writing in an inclined orientation, typically at an angle of about 30° to the perpendicular.
  • a ball point writing instrument comprising an ink reservoir within a generally cylindrical body having a longitudinal axis, a hollow nib member connected to a forward end of the body and projecting therefrom, the nib member having a leading end spaced laterally from the axis of the body, and a tip element including the writing ball attached to the leading end of the nib member and extending therefrom towards the axis of the body, the writing surface of the ball being spaced from the axis of the body in the same direction as that in which the leading end of the nib member is spaced from said axis
  • Some of the p ⁇ or art proposals for ball point pens with angled tip elements rely on special asymmetrical barrel configurations at the forward end where the nib section protrudes.
  • users prefer regular barrel shapes i.e. substantially cylindrical and/or rotationally symmetrical forms, with which they are familiar and feel comfortable. Consequently irregular barrel shapes, as suggested for example by WO 91/16210, are unlikely to prove acceptable to users.
  • the writing instrument of the invention can have a conventionally shaped, e.g. rotationally symmetrical barrel.
  • the nib member and body to which it is attached can form a substantially rigid structure, facilitating use as a disposable pen to be discarded when the reservoir has become depleted, or as a refill within a re-usable barrel, possibly incorporating a retraction mechanism as well known per se.
  • Figure 1 is an axial section through the forward end of a ball point assembly of a writing instrument according to the present invention.
  • Figure 2 is an axial section through a deep drawn component used in the manufacture of the nib member of the ball point assembly
  • Figure 3 is a front end elevation of the component shown in Figure 2;
  • Figure 4 is a front elevation of the component following removal of a front end section ready for attachment of the angled tip element
  • Figure 5 is an axial section showing the tip element secured to the nib member.
  • Figure 6 is a plan view of a ball point refill manufacture in accordance with the invention.
  • Figure 7 is an axial section through the refill of Figure 6.
  • the ball point assembly illustrated in Figure 1 has a body, to which a nib member 2 is firmly attached to project forwardly from the front end of the body.
  • the body confines a chamber 3 for storing a supply of ink for delivery through the nib member to the ball point tip element 4 fixedly secured to the leading end of the nib member.
  • the assembly may be part of a disposable pen, in which case the body 1 can constitute the pen barrel which is held during writing.
  • the assembly may be part of a so-called refill which is intended to be disposed within a re-usable pen barrel and to be replaced when the reservoir has been emptied of ink.
  • the body defines an axis B, which will coincide with the pen ba ⁇ el axis.
  • the nib member 2 is hollow with a cross section which tapers towards the forward end substantially uniformly with respect to the axis N of this member.
  • the rear or trailing end of the nib member surrounds and is substantially concentric with the barrel axis B, but the nib axis N is inclined to the barrel axis so that the leading end of the nib member is positioned laterally away from the barrel axis.
  • the inclination between the axes B and N may be in the range of 5° to 10°, e.g. about 8°.
  • the tip element 4 which includes the writing ball 6 held within the end of a short tube 7, is attached to the leading end of the nib member so that the tip element extends towards the barrel axis B at an angle of about 30° to that axis, but the ball surface is still spaced from the axis B so that when the ball is placed against a sheet of paper P during writing the axis B is below the point of contact between the ball and paper.
  • the nib member 2 is conveniently manufactured as a deep drawn component as shown in Figures 2 and 3. It is formed with a part-spherical leading end 8 positioned on the axis of draw N, and at the trailing end is formed with an external flange 9 lying in a plane which is inclined at about 8° away from the perpendicular to the axis of draw. After a section of the leading end has been removed, such as by grinding, to leave a circular edge (Fig 4), the tube 7 of the tip element 4 is laser welded to this edge so that the tip element is angled to the nib member axis N as shown in Figure 5.
  • the flange 9 of the nib member is provided with a flat 10 for rotational alignment purposes.
  • the nib member with the attached tip element is firmly assembled with the body 1, the flange of the nib member abutting a circular hp on the body to ensure the required inclination of the nib member axis N to the barrel axis B a described above.
  • the nib member It is not essential for the nib member to be rotationally symmetrical to the axis N, but for convenience of manufacture it preferably tapers in a manner which is uniform with respect to the axis.
  • the nib member should be contained wholly within an imaginary cylinder coaxial with the body and having the same diameter as the forward end of the body, which can ease positioning within a re-usable barrel and may be of further benefit when a retraction mechanism is provided for selectively advancing and retracting the writing point with respect to a forward end of the barrel.
  • Figures 6 and 7 illustrate a ball point refill unit having a ball point assembly as described above.
  • the refill includes a cylindrical deep drawn body to the forward end of which the ball point assembly is securely fastened.
  • the rear end of the body is closed by a plug 11 which is conveniently made as a plastics moulding.
  • the refill can be used in a pen barrel incorporating a retraction mechanism as well known in the art.

Landscapes

  • Pens And Brushes (AREA)

Abstract

Ce crayon à bille est pourvu d'un élément creux à pointe (2) attaché à l'extrémité d'un corps cylindrique (1) renfermant un réservoir d'encre (3), l'extrémité avant de la pointe étant séparée de l'axe B du corps et possédant un embout (4) qui lui est soudé de sorte que la bille d'écriture (6) incorporée dans l'embout se trouve placée du même coté de l'axe B que l'extrémité avant de la pointe.
EP97945205A 1996-10-08 1997-10-07 Crayon a bille Withdrawn EP0951398A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9620985.3A GB9620985D0 (en) 1996-10-08 1996-10-08 Ball point pen
GB9620985 1996-10-08
PCT/US1997/016272 WO1998015415A1 (fr) 1996-10-08 1997-10-07 Crayon a bille

Publications (1)

Publication Number Publication Date
EP0951398A1 true EP0951398A1 (fr) 1999-10-27

Family

ID=10801124

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97945205A Withdrawn EP0951398A1 (fr) 1996-10-08 1997-10-07 Crayon a bille

Country Status (6)

Country Link
EP (1) EP0951398A1 (fr)
JP (1) JP2001501881A (fr)
AU (1) AU4645797A (fr)
BR (1) BR9712093A (fr)
GB (1) GB9620985D0 (fr)
WO (1) WO1998015415A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103249402A (zh) * 2010-10-08 2013-08-14 赫尔普百治疗有限公司 新组合物
KR101238350B1 (ko) * 2011-01-18 2013-02-28 유동곤 필기구용 볼 홀더 및 이를 이용한 필기구
IT201700078532A1 (it) * 2017-07-13 2019-01-13 Paolo Coppi Dispositivo di scrittura
JP7406985B2 (ja) * 2019-12-27 2023-12-28 三菱鉛筆株式会社 筆記具

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1032122A (fr) * 1951-02-06 1953-06-30 Perfectionnement apporté aux stylographes à bille
US3352621A (en) * 1960-02-12 1967-11-14 Irc Ltd Ball point writing instrument
US3192904A (en) * 1961-11-09 1965-07-06 Frank T Johmann Writing instrument
NL293483A (fr) * 1962-06-01 1900-01-01
FR1585676A (fr) * 1968-09-09 1970-01-30
US5012663A (en) * 1990-03-28 1991-05-07 Gillette Company Method of bending a ball point pen tip
CA2014738A1 (fr) * 1990-04-17 1991-10-17 Marjan Kolaric Stylo
CA2240176A1 (fr) * 1995-12-15 1997-06-26 The Gillette Company Instruments de marquage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9815415A1 *

Also Published As

Publication number Publication date
BR9712093A (pt) 1999-08-31
AU4645797A (en) 1998-05-05
GB9620985D0 (en) 1996-11-27
WO1998015415A1 (fr) 1998-04-16
JP2001501881A (ja) 2001-02-13

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19990426

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE ES FR GB IT

17Q First examination report despatched

Effective date: 19991111

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: BEROL CORPORATION

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20010622