GB2170998A - Brush-like writing instrument - Google Patents
Brush-like writing instrument Download PDFInfo
- Publication number
- GB2170998A GB2170998A GB08531703A GB8531703A GB2170998A GB 2170998 A GB2170998 A GB 2170998A GB 08531703 A GB08531703 A GB 08531703A GB 8531703 A GB8531703 A GB 8531703A GB 2170998 A GB2170998 A GB 2170998A
- Authority
- GB
- United Kingdom
- Prior art keywords
- brush
- ink
- sleeve
- peripheral surface
- 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.)
- Granted
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
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
- A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
- A45D34/042—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B11/00—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water
- A46B11/001—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water with integral reservoirs
- A46B11/0013—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water with integral reservoirs dispensing by gravity or by shaking
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
- A46B3/06—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by welding together bristles made of metal wires or plastic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
- B05C17/002—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces with feed system for supplying material from an external source; Supply controls therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
- B43K5/18—Arrangements for feeding the ink to the nibs
- B43K5/1818—Mechanical feeding means, e.g. valves; Pumps
- B43K5/1827—Valves
- B43K5/1836—Valves automatically closing
- B43K5/1863—Valves automatically closing opened by actuation of the rear-side of the pen
- B43K5/1872—Valves automatically closing opened by actuation of the rear-side of the pen mounted on ink-cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
- B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
- B44D3/22—Implements or apparatus for special techniques, e.g. for painting lines, for pouring varnish; Batik pencils
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pens And Brushes (AREA)
- Coating Apparatus (AREA)
Abstract
A writing or painting instrument having a brush 9 constructed from a plurality of thermoplastic filaments which are bundled into a tuft, an upper end of the tuft being melted to form flange portion 8 by which the brush 9 is mounted in sleeve portion 2; the flange portion 8 engaging in annular groove 6. In this way a gap is provided between at least part of the outer peripheral surface of the brush 9 and the inner peripheral surface of sleeve portion 2. <IMAGE>
Description
SPECIFICATION
Brush-like writing instrument
The present invention relates to a writing or painting instrument having a brush or brushlike member.
Known brush-like writing instruments have a brush point thereof which is mounted such that only an outer portion of the brush point, which outer portion extends outwardly from the front portion of a sleeve-like member for mounting the brush point, can bend in use.
This results in a poor feel in use since the flexible front portion of the brush point is too short.
We have now found it possible to provide writing or painting instruments having an improved feel in use by providing a gap between the outer peripheral surface of the inner portion of the brush point which inner portion is within the sleeve-like member for mounting the brush point of the instrument, and the inner peripheral surface of the sleeve-like member for mounting the brush point. In this way, the flexible portion of the brush point is lengthened.
In accordance with the invention, there is provided a writing or painting instrument having a brush or brush-like member wherein said brush or brush like member is mounted within a sleeve-like member, which sleeve-like member covers a portion of the outer peripheral surface of the brush or brush-like member, and wherein a gap is provided between at
least part of the outer peripheral surface of the brush or brush like member covered by the sleeve-like member and the inner periph
eral surface of the sleeve-like member.
Embodiments of the invention are hereinafter
described by way of example with reference to the accompanying drawings, in which:
Figure 1 is a longitudinal sectional view of a
writing instrument in accordance with the pre
sent invention;
Figure 2 is an exploded perspective view of the instrument shown in Fig. 1;
Figure 3 is a cross-sectional view taken
along the line A-A of Fig. 1;
Figure 4 is a longitudinal view of the writing
instrument of Fig. 1 in a condition for use;
Figure 5 is a longitudinal sectional view of
the writing instrument in another condition for
use; and
Figure 6 is a longitudinal sectional view of
the instrument in another condition for use.
In the embodiment of the present invention
shown in the drawings, a member 4 made of
a hard plastics material has a thick sleeve-like
portion 1 and a thin sleeve-like portion 2 inte
grally connected to the portion 1 through a
first stepped portion 3. The inner surface of
the thin sleeve-like portion 2 of member 4 is
provided with four crosswise arranged longitu
dinal grooves 5 each of which extends from an upper edge of the thin sleeve-like portion 2 to the vicinity of a lower edge of the same.
Similarly, the first stepped portion 3 is provided with four lateral grooves 5' each of which extends from a corresponding longitudinal groove 5 towards the outer periphery of the portion 3. An annular groove 6 is provided on an inner periphery of portion 3.
The brush member of the writing or painting instrument is constructed from a plurality of thermoplastic filaments which are bundled into a tuft. An upper end of the thus formed tuft is melted by heat to form a brush member 9 which is provided with a flange portion 8 at its upper end to act as a mounting means therefor.
A small diameter ink guide conduit 7 having a reverse-conical shape is formed in a center portion of the brush point 9 so that the ink guide conduit 7 extends from an upper end or base of the brush point 9 to substantially a mid portion of the brush point 9.
The thus formed brush point 9 is inserted into the thin sleeve-like portion 2 of member 4 so that the flange portion 8 is engaged with the annular groove 6 of the member 4.
Thereafter, a disc-iike plate 10 made of a hard plastics material and having an outer diameter corresponding to the inner diameter of the thick sleeve-like portion 1 of member 4, is placed on the first stepped portion 3 of member 4.
In a central portion of the disc-like plate 10, there is provided an ink passage 11 communicating with the ink guide conduit 7 of the brush point 9.
The lower surface of the disc-like plate 10, is provided with an annular groove 12 having the ink passage 11 at its center and a cruciform groove 13 which corresponds to the lateral grooves 5 of the member 4 when the disc-like plate 10 is in place. The cruciform groove 13 is connected to the annular groove
12 at its outer ends and to the ink passage
11 at its center.
Integral with the upper surface of the disclike plate 10, is a short sleeve-like insertion portion 14 which has the ink passage 11 at its center.
An ink conduit 16, made of a hard plastics material, is provided with a closed upper end and an open lower end so that it may act as a valve stem or a piston rod. Two ink inlets are provided in opposite side walls of the upper end portion of the ink conduit 16. A projection 18 is provided at the top surface of the upper end portion of the ink conduit 1 6.
At the outer periphery of the lower end of the ink conduit 16, there is integrally provided a seat portion 20 which has a reverse dishlike shape and is provided with an outwardly extending flange 19.
The ink conduit 16 may be dropped into the thick sleeve-like portion 1 of the member 4 so that seat portion 20 engages with the disc-like plate 10. Thus, the lower portion of the ink conduit 16 engages with the sleeve-like insertion portion 14 of the disc-like plate 10 so that the inner hole 12 communicates with the ink passage 11 of the disc-like plate 10.
A shaft sleeve 24 which may be constructed of a thin metal tube, is provided with a male screw 23 in an outer peripheral surface of a lower portion thereof, both upper and lower ends of which sleeve 24 are open. The shaft sleeve 24 is connected to the member 4 through a threadable connection between the male screw 23 of the former and a corresponding female screw 24 provided on an inner surface of the thick sleeve-like portion 1 of the latter. The lower end of the shaft sleeve 24 thus urges an upper surface of the flange 19 of the ink conduit 16 against the disc-like plate 10 so that the brush point 9 and the ink conduit 16 are held in their desired positions. A clearance or gap is thereby provided between the outer peripheral surface of the brush point 9 and the inner peripheral surface of the thin sleeve-like portion 2 of the member 4.
A pipe-like mouth element 29, made of a plastics material, has a tapered thin diameter and short length portion at one end, and a second step portion 28 at the inner peripheral surface of its middle portion. A packing groove 30 is provided on the upper surface of the second step portion 28 of the mouth element 29, which groove 30 is open radially and upwardly. A doughnut-like packing element 31 is inserted into the groove 30, which element has a concave portion 33 which forms a cavity 32 adjacent to a wall surface of the packing groove 30 when the packing 31 is inserted into the packing groove 30.
A valve box/cylinder 39 made of a plastics material is provided with: an outwardly extending flange 35 on the outer periphery portion towards the lower edge thereof; a valve seat 36 on the inner peripheral surface of the middle portion thereof; three longitudinally elongated ink passages 37 in the peripheral wall of an upper half thereof, which passages 37 are spaced apart from each other; and a guide hole 38 in the top wall thereof. A valve body/piston 42 is inserted in this valve box/ cylinder 39, which is provided with a recess 40 in the center portion of its lower surface and a guide rod 41 at its upper surface. The valve body/piston 42 can slide against the inner peripheral surface of the upper half of the valve box/cylinder 39 while being guided by the guide hole 38 and the guide rod 41. The valve body/piston 42 can thus move up and down in the valve box/cylinder 39.A coil spring 43 is positioned on the guide rod 41 so that an upward force is imparted to the valve box/cylinder 39, the packing 31, the mouth element 29 and an ink reservoir 45.
The valve box/cylinder 39 is dropped into the mouth element 29 so that it is seated on the second step portion 28 of the mouth element 29.
The ink reservoir 45 which may be constructed of a thin metal tube is provided with a closed upper portion and a male screw 44 at the outer peripheral surface of its open lower end. It may contain a desired ink or paint such as, for example, gold or silver ink.
The reservoir 45 is connected to the mouth member 29 through a threadable connection between the male screw 44 and a female screw 46 provided on the inner surface of the mouth element 29 so that the lower end edge of the ink reservoir 45 urges against the upper surface of the outwardly extending flange 35 of the valve box/cylinder 39. The lower surface of the valve box/cylinder 39 is consequently urged into firm contact with the upper surface of the packing 31.
The thus assembled ink reservoir 45 is inserted into the shaft sleeve 24 so that the ink conduit 16 is inserted into the lower opening of the mouth element 29; the outer peripheral surface of the mid portion of the conduit 16 thereby contacts the inner peripheral surface of the packing element 31 and the projection 18 is inserted into the hole 40 of the valve body/piston 42 Thereafter, an annular edge reinforcing member 47 is fixed into the upper opening of the shaft sleeve 24 so that the ink reservoir 45 cannot be withdrawn from the shaft sleeve 24.
A cap 49 made of plastics material to cover the brush point 9 is so dimensioned that it can be engaged with the thin sleeve-like portion 2 of the member 4 and that it can be detachably inserted into the upper portion of the shaft sleeve 24.
A plug 50 which is removed in use, is firmly but detachably inserted into the upper end of the shaft sleeve 24 so that the inner end of the plug 50 abuts against the upper end of the ink reservoir 45.
In use, the plug 50 is first removed and the cap 49 detached from the member 4 and then inserted into an indented portion 51 of the upper end of the shaft sleeve 24. In this way the lower end of the cap 49 is engaged with the upper end of the ink reservoir 45. When the cap 49 is thereafter pressed downward by the user, the ink reservoir 45, the valve box/ cylinder 39, the packing element 31 and the mouth element 29 are moved downward against the upward force imparted by the coil spring 43. At the beginning of such downward movement of the cap 49, the sucking action of the valve body/piston 42 draws air into the space under the lower surface of the valve body/piston 42 through the clearance 9', the grooves 5, 5', 12 and 13, the ink conduit 16 and the ink inlets 17. Further downward movement of the cap 49 increases the. volume of the space under the lower surface of the valve body/piston 42 until the ink inlets 17 open into the ink reservoir 45 above the valve seat 36. A part of the ink contained in the ink reservoir 45 is displaced by the thus introduced air and this ink flows down into the space under the lower surface of the valve body/piston 42 through the ink passages 37. When the cap 49 is released, the ink reservoir 45, the valve box/cylinder 39, the packing element 31 and the mouth element 29 move upward under the effect of the coil spring 43. When the level of the lower ends of the ink passages 37 coincides with the bottom surface of the valve body/piston 42, the ink present in the space under the valve body/piston 42 is transferred into the ink conduit 16 through the ink inlets 17.Thus, alternately pressing and releasing the cap 49 causes the ink in the reservoir 45 to be gradually replaced with air and fed to the brush point 9 through the ink conduit 16 and the ink conduit 7 of the brush point 9 so that the brush point 9 becomes saturated with the ink.
As indicated above, the brush point 9 is held within the thin sleeve-like portion 2 of the member 4 by seating its upper flange portion 8 in the annular groove 6 of member 4.
A gap or clearance is provided between the outer peripheral surface of the portion of the brush point 9 within portion 2 and the inner peripheral surface of the thin sleeve-like portion 2. The brush point 9 is thereby flexibly held within the portion 2 of the member 4.
Since the brush point 9 is flexible within the thin sleeve-like portion 2, the writing instrument of the present invention has an excellent feel when writing and at the same time the ink is prevented from drying out because half of the brush point 9 is covered.
Claims (6)
1. A writing or painting instrument having a brush or brush-like member wherein said brush or brush like member is mounted within a sleeve-like member, which sleeve-like member covers a portion of the outer peripheral surface of the brush or brush-like member, and wherein a gap is provided between at least part of the outer peripheral surface of the brush or brush like member covered by the sleeve-like member and the inner peripheral surface of the sleeve-like member.
2. An instrument according to claim 1 which includes a liquid reservoir and a flow path for liquid from the liquid reservoir to the brush or brush-like member.
3. An instrument according to claim 2 wherein valve means are provided to control the flow of liquid from the liquid reservoir to the brush or brush-like member.
4. An instrument according to claim 3 wherein the valve means are operated by reciprocal movement of the liquid reservoir within the instrument.
5. A writing or painting instrument substantially as herein described with reference to the accompanying drawings.
6. Each and every novel product, process method, apparatus, feature and combination features substantially as herein described.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985024153U JPH0445915Y2 (en) | 1985-02-20 | 1985-02-20 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB8531703D0 GB8531703D0 (en) | 1986-02-05 |
| GB2170998A true GB2170998A (en) | 1986-08-20 |
| GB2170998B GB2170998B (en) | 1988-11-09 |
Family
ID=12130394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB08531703A Expired GB2170998B (en) | 1985-02-20 | 1985-12-23 | Brush-like writing or painting instrument |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPH0445915Y2 (en) |
| CA (1) | CA1291966C (en) |
| DE (1) | DE3545977A1 (en) |
| FR (1) | FR2577473B1 (en) |
| GB (1) | GB2170998B (en) |
| IT (1) | IT1188395B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10172431B2 (en) | 2014-10-16 | 2019-01-08 | Kuretake Co., Ltd. | Pen and Pen Refill |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2612843B1 (en) * | 1987-03-24 | 1989-12-08 | Mitsubishi Pencil Co | VALVE DEVICE FOR A WRITING OR COATING INSTRUMENT WITH A LIQUID |
| JPH0725259Y2 (en) * | 1989-10-19 | 1995-06-07 | 三菱鉛筆株式会社 | Fluid applicator |
| JP4731304B2 (en) * | 2005-12-14 | 2011-07-20 | Ｈｏｙａ株式会社 | Endoscope liquid applicator |
| ES2334603B1 (en) * | 2007-05-02 | 2011-03-28 | F. Javier Porras Vila | WATERCOLOR PAINT INSTRUMENT. |
| JP2020172030A (en) * | 2019-04-08 | 2020-10-22 | 株式会社サクラクレパス | Applicator and brush tip fixture |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB755482A (en) * | 1954-08-24 | 1956-08-22 | Jan Romkes Zeilstra | A method for the manufacture of brushware having a metal holder, in which the fibre tufts consist of thermoplastic, material, and brushware manufactured by said method |
| GB792571A (en) * | 1954-06-30 | 1958-04-02 | Usk Patent Products Ltd | Improvements in or relating to the securing of tufts in ferrules for paint and like brushes |
| GB1016450A (en) * | 1962-08-15 | 1966-01-12 | Clarence Schreur | Writing instrument |
| GB2041740A (en) * | 1979-02-15 | 1980-09-17 | Talva Ets | Liquid dispenser |
| GB2063180A (en) * | 1979-11-08 | 1981-06-03 | Ogawa Chemical Ind Ltd | Writing implement |
| GB2108910A (en) * | 1981-11-04 | 1983-05-25 | Widgets Limited | Venting of pens |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1526093A (en) * | 1923-05-23 | 1925-02-10 | William K Rockman | Fountain brush |
| US2601132A (en) * | 1946-10-02 | 1952-06-17 | Woo Wong Gim | Fountain brush pen with reciprocal pin feed |
| FR1007004A (en) * | 1948-02-11 | 1952-04-30 | Reservoir instrument applied in particular as a drawing instrument | |
| US2887708A (en) * | 1953-08-07 | 1959-05-26 | Haelan Lab Inc | Dispenser for dispensing liquid by brush, swab or rod application |
| US3003181A (en) * | 1959-07-29 | 1961-10-10 | Speedry Chemical Products Inc | Marking device with snap-on head assembly |
| FR1401592A (en) * | 1963-09-18 | 1965-06-04 | Sheaffer W A Pen Co | Writing instrument |
| JPS53128664A (en) * | 1977-04-15 | 1978-11-09 | Matsushita Electric Ind Co Ltd | Production of prepreg |
| JPS59141907U (en) * | 1983-03-11 | 1984-09-21 | 小川化工株式会社 | makeup brush |
| JPS6128689U (en) * | 1984-07-27 | 1986-02-20 | 益山興業株式会社 | writing brush |
-
1985
- 1985-02-20 JP JP1985024153U patent/JPH0445915Y2/ja not_active Expired
- 1985-11-15 FR FR858516914A patent/FR2577473B1/en not_active Expired - Fee Related
- 1985-12-23 GB GB08531703A patent/GB2170998B/en not_active Expired
- 1985-12-23 DE DE19853545977 patent/DE3545977A1/en active Granted
-
1986
- 1986-01-06 CA CA000499003A patent/CA1291966C/en not_active Expired - Fee Related
- 1986-02-17 IT IT8619429A patent/IT1188395B/en active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB792571A (en) * | 1954-06-30 | 1958-04-02 | Usk Patent Products Ltd | Improvements in or relating to the securing of tufts in ferrules for paint and like brushes |
| GB755482A (en) * | 1954-08-24 | 1956-08-22 | Jan Romkes Zeilstra | A method for the manufacture of brushware having a metal holder, in which the fibre tufts consist of thermoplastic, material, and brushware manufactured by said method |
| GB1016450A (en) * | 1962-08-15 | 1966-01-12 | Clarence Schreur | Writing instrument |
| GB2041740A (en) * | 1979-02-15 | 1980-09-17 | Talva Ets | Liquid dispenser |
| GB2063180A (en) * | 1979-11-08 | 1981-06-03 | Ogawa Chemical Ind Ltd | Writing implement |
| GB2108910A (en) * | 1981-11-04 | 1983-05-25 | Widgets Limited | Venting of pens |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10172431B2 (en) | 2014-10-16 | 2019-01-08 | Kuretake Co., Ltd. | Pen and Pen Refill |
| EP3208102B1 (en) * | 2014-10-16 | 2020-09-30 | Kuretake Co., Ltd. | Pen and pen refill |
Also Published As
| Publication number | Publication date |
|---|---|
| IT8619429A0 (en) | 1986-02-17 |
| IT1188395B (en) | 1988-01-07 |
| GB2170998B (en) | 1988-11-09 |
| JPS61140876U (en) | 1986-09-01 |
| DE3545977A1 (en) | 1986-08-21 |
| CA1291966C (en) | 1991-11-12 |
| GB8531703D0 (en) | 1986-02-05 |
| JPH0445915Y2 (en) | 1992-10-28 |
| IT8619429A1 (en) | 1987-08-17 |
| FR2577473B1 (en) | 1991-05-10 |
| FR2577473A1 (en) | 1986-08-22 |
| DE3545977C2 (en) | 1988-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19921223 |