GB2172797A - Writing instrument - Google Patents
Writing instrument Download PDFInfo
- Publication number
- GB2172797A GB2172797A GB08604039A GB8604039A GB2172797A GB 2172797 A GB2172797 A GB 2172797A GB 08604039 A GB08604039 A GB 08604039A GB 8604039 A GB8604039 A GB 8604039A GB 2172797 A GB2172797 A GB 2172797A
- Authority
- GB
- United Kingdom
- Prior art keywords
- liquid
- writing instrument
- ink
- reservoir
- writing
- 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
-
- 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pens And Brushes (AREA)
- Coating Apparatus (AREA)
Abstract
A writing instrument comprises a liquid reservoir 45, a brush member 9, an ink conduit 7 in fluid communication with the brush member 9 and a valve- box 39 in the liquid reservoir 45. In use the cap 49 of the writing instrument is used to displace the valve box 39 towards seat portion 20; such movement initially causes air to be drawn up through clearance 9', grooves 5,5', 12 and 13, liquid conduit 16 and inlets 17. Further downward movement of cap 49 opens inlets 17 to the reservoir to enable liquid to flow to the brush member 9. <IMAGE>
Description
SPECIFICATION
Writing instrument
The present invention relates to a writing or painting instrument having a brush or brush-like member (hereinafter simply referred to as a writing instrument). Such instruments are generally suitable for writing or applying a viscous liquid such as, for example, an ink or paint with high pigment content or containing large or heavy particles, an ink or paint having high viscosity, a quick-dry ink or paint, a lubricating oil, an adhesive or a cosmetic liquid.
Hitherto, since the liquids mentioned above are viscousand/orliabletoquick-drying,conventional writing instruments cannot be used without modifications or improvements. For example, the liquid may clog ink passages, or any open end of an ink reservoir. It has been necessary to improve, for example, flow ofthe liquid in the writing instrument, or protect against evaporation ofthe liquid during storage and use.
We have now found it possible to provide an improved writing instrument which is capable of smoothly supplying a viscous liquid e.g. of the type mentioned above, to the tip of the pen, brush orthe like, without clogging the liquid flow during use.
We have also found itpossibleto providean improved writing instrument which has means to prevent accidental movement of a dispensing member and thus supply of liquid to the tip ofthe instrument during transport, storage and handling.
According to one aspect of the invention there is provided an instrumentforwriting with or applying a liquid which has an air introducing passage to allow a necessary amountofairto enterthe instrument by the suction of a valve body/piston.
According to a further aspect of the invention there is provided a writing instrument which has a liquid conduit to allow passage of liquid from an ink reservoir to a writing tip or brush point th rough a liquid supply cylinder, wherein the liquid reservoir includes a plurality of liquid passage holes being longitudinally elongated and spaced apart one from another, and the liquid supply cylinder being located between the reservoir and the writing tip or brush point is provided with liquid outlets at a peripheral wall thereof, so that at least one of the holes and outlets may be aligned to let liquid through.
According to a still further aspect 6f the invention there is provided a writing instrument comprising a liquid reservoir having a valve-box/cylinder, a mouth element and a mouth piece member, wherein the liquid reservoir is connected with the mouth element interposed with a packing element having a concave portion which forms a cavity adjacent to a wall surface of a packing groove.
According to another aspect ofthe invention there is provided a writing instrument having a cap over a writing tip or brush point, wherein the cap can be detached from the tip or brush point and inserted into a recessed portion of an upper portion of a shaft sleeve so that a lower part of the cap is engaged with an upper end of an ink reservoir or piston stem thereby supplementing a dispensing movement.
Emb9diments of the invention are hereinafter described, by way of example, with reference to the accompanying drawings, in which: Figure lisa longitudinal sectional view of a writing instrument in accordance with the present invention;
Figure 2 is an exploded perspective view of the instrument shown in Figure 1;
Figure 3 is a cross-sectional view taken along the line A-A of Figure 1;
Figure 4 is a longitudinalviewofthewriting instrument of Figure 1 in a condition for use;
Figure 5 is a longitudinal sectional view of the writing instrument of Figure 1 in anothercondition for use;
Figure 6 is a longitudinal sectional view of the writing instrument in another condition for use;;
Figure7 is a cross-section view taken along the line B-BofFigurel;and Figure 8 is a longitudinal sectional view of a writing instrument which contains liquid in the body thereof.
In the embodiment ofthe present invention shown in the drawings, a member4 made of a hard plastics material has a thick sleeve-like portion 1 and a thin sleeve-like portion 2 integrally connected to the portion 1 through a first stepped portion 3. The inner surface ofthethin sleeve-like portion 2 of member4 is provided with four cross-wise arranged longitudinal grooves 5 each of which extends from an upper edge ofthethin sleeve-like portion 2tothe 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 towards the outer periphery ofthe portion 3. An annular groove 6 is provided on an inner periphery of portion 3.
The brush memberofthewriting or painting instrument is constructed from a plurality of thermoplasticfilamentswhich 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 meanstherefor.
Asmall diameter ink guide conduit7 having a reverse-conical shape informed in a center portion of the brush point 9 so that the ink guide conduit 7 extendsfrom an upperend or base ofthe brush point 9to substantilly a mid portion ofthe brush point9.
Thethusformed brush point9 is inserted intothethin sleeve-like portion 2ofmember4sothattheflange portion 8 is engaged with the annular groove 6 ofthe member 4.
Thereafter, a disc-like 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 member4, 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 inkguide conduit7ofthebrush point9.Thelowersurfaceof the disc-like plate 10 is provided with an annular groove 12 having the ink passage 11 at its centerand a cruciform groove 13 which corresponds to the lateral grooves 5 of the member4when 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 disc-like 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 is may act as a valve stem or a piston rod. Two ink inlets 17 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 16. 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 dish-like 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 25 provided on an inner surface of the thick sleeve-like portion 1 of the latter. The lower end 26 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 walt surface of the packing groove 30 when the packing 31 is inserted into the packing groove 30.
A valve boxlcylinder 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 longitudinal 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 a 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 againstthe 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 detachedly 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 a recessed 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 down 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 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 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 ink.
As described above, the upper half of the brush point 9 is in the thin sleeve-like portion 2 of the member 4 so that its upper flange portion 8 is seated in the annular groove 6 of the thin sleeve-like portion 2 of member 4, while a space is provided between the outer peripheral surface of the portion of the brush point 9 in the thin sleeve-like portion 2 of member 4 and the inner peripheral surface of the thin sleeve-like portion 2. In this way the brush point 9 is bendable within the thin sleeve-like portion 2 of the member 4.
The writing instrument according to the present invention provides several improvements for easily feeding liquid to the tip or brush point.
Firstly, the writing instrument includes airintroducing passages which enforcedly introduce air from outside the instrument so as to cause smooth supply of the liquid from the storage part thereof to the top of the brush part without causing blockage of the liquid at the passage in the writing instrument.
Secondly, writing instruments of the invention may include a liquid passage which comprises longitudinally elongated liquid passage holes 37 and outlets 17 in a peripheral wall of cylinder, and the relative positions of the holes 37 and outlets 17 are so arranged that at least one of the holes 37 and outlets 17 may be aligned to let liquid through at any angle.
Thirdly, writing instruments of the invention includes a sealing means comprising a packing 31 at the rear end of the piston rod or opening of the liquid reservoir in order to seal an opening of the liquid reservoir or the passage hole in a piston rod or stem. In the packing 31 a concave portion 33 is provided so that.a gap 32 may be formed when it is placed on the packing groove 30.
Furthermore, in the writing instrument according to the present invention, there is provided a means for enforcedlyfeeding the liquid which has a safeguard against leakage of the liquid from the writing instrument during storage, shipping and use.
The writing instrument is provided with a guard such as a cap, on the tip or brush point which may be taken off and pushed into the rear end of the writing instrument, and which is long enough to engage the top of the dispensing part, so that the dispensing part may be pressed.
Thus, the brush point of the writing instrument may be covered, for example, with the cap when it is not being used, and pressing to feed the liquid is prevented since the dispensing point does not protrude from the rear end of the instrument.
The cap may be taken off from the top of the brush point when the writing instrument is to be used, and engaged with the recessed part of the rear end of the writing instrument so as to enable feeding of liquid.
Claims (9)
1. A writing instrument for writing with or applying a liquid which has an air introducing passage to allow a necessary amount of air to enter the instrument by the sucking action of a valve body/piston.
2. A writing instrument according to claim 1, wherein the air introducing passage comprises a clearance, a longitudinal groove, a lateral groove, an annular groove, a cross groove, an ink conduit, and an ink outlet.
3. Awriting instrument which has a liquid conduit to allow passage of liquid from a liquid reservoir to a writing tip or brush point through a liquid supply cylinder, wherein the liquid reservoir includes a
plurality of liquid passage holes being longitudinally elongated and spaced apart each other, and the
liquid supply cylinder being located between the
reservoir and the writing tip or brush point, is
provided with liquid outlets at a peripheral wall thereof, so that at least one of the holes and outlets
may be aligned to let liquid through.
4. A writing instrument according to claim 3, wherein three longitudinally elongated liquid
passage holes are provided.
5. A writing instrument comprising a liquid
reservoir having a valve box/cylinder, a mouth
element and a mouth piece member, wherein the
liquid reservoir is connected with the mouth
element interposed with a packing element having a
concave portion which forms a cavity adjacent to a
wall surface of packing groove.
6. A writing instrument according to claim 5,
wherein the packing is in a doughnut-like form.
7. A writing instrument having a cap over a
writing tip or brush point, wherein the cap can be
detached from the tip or brush point and inserted
into a recessed portion of an upper portion of a shaft
sleeve portion so that a lower end of the cap is
engaged with an upper end of an ink reservoir or
piston stem thereby causing a dispensing
movement.
8. A writing instrument substantially as herein
described with reference to the accompanying
drawings.
9. Each and every novel product, method, feature
and combination of features as herein disclosed.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2415185U JPH0225657Y2 (en) | 1985-02-20 | 1985-02-20 | |
| JP2415085U JPH0411833Y2 (en) | 1985-02-20 | 1985-02-20 | |
| JP2415285U JPH0411834Y2 (en) | 1985-02-20 | 1985-02-20 | |
| JP2415685U JPH0230311Y2 (en) | 1985-02-20 | 1985-02-20 | |
| JP2415585U JPH0230310Y2 (en) | 1985-02-20 | 1985-02-20 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB8604039D0 GB8604039D0 (en) | 1986-03-26 |
| GB2172797A true GB2172797A (en) | 1986-10-01 |
| GB2172797B GB2172797B (en) | 1988-11-09 |
Family
ID=27520609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB08604039A Expired GB2172797B (en) | 1985-02-20 | 1986-02-19 | Writing or painting instrument |
Country Status (5)
| Country | Link |
|---|---|
| CA (1) | CA1291965C (en) |
| DE (1) | DE3605506A1 (en) |
| FR (1) | FR2577474B1 (en) |
| GB (1) | GB2172797B (en) |
| IT (1) | IT1188394B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4966175A (en) * | 1986-12-09 | 1990-10-30 | Mitsubishi Pencil Co., Ltd. | Hair cosmetics coating tool |
| US4993437A (en) * | 1986-12-09 | 1991-02-19 | Mitsubishi Pencil Co., Ltd. | Hair cosmetics coating tool |
| WO2002001983A1 (en) | 2000-06-30 | 2002-01-10 | Mitsubishi Pencil Kabushiki Kaisha | Liquid applicator |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH672717A5 (en) * | 1986-03-06 | 1989-12-29 | Ernst Moscatelli | |
| JPH0630302Y2 (en) * | 1986-11-17 | 1994-08-17 | 三菱鉛筆株式会社 | Writing instruments and applicators |
| JPH066952Y2 (en) * | 1987-02-26 | 1994-02-23 | 三菱鉛筆株式会社 | Liquid writing or application tool |
| JPH02104880U (en) * | 1989-01-31 | 1990-08-21 | ||
| ES2088813B1 (en) * | 1992-06-02 | 1997-05-01 | Garcia Rodriguez | DOSING CAP AND ENAMEL APPLICATOR. |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB636895A (en) * | 1947-05-06 | 1950-05-10 | Arthur Gordon Trill | Improvements in or relating to reservoir brushes |
| GB2136279A (en) * | 1983-03-11 | 1984-09-19 | Ogawa Chemical Ind Ltd | Make up, marking or writing implement |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2330053A (en) * | 1943-04-26 | 1943-09-21 | Diagraph Bradley Stencil Machi | Fountain applicator |
| FR1007004A (en) * | 1948-02-11 | 1952-04-30 | Reservoir instrument applied in particular as a drawing instrument | |
| FR1021492A (en) * | 1950-07-05 | 1953-02-19 | Gerinvil | Device for spreading products in pasty, viscous or even liquid form |
| GB740802A (en) * | 1950-08-01 | 1955-11-23 | Cushman And Denison Company Lt | Improvements in or relating to reservoir writing or drawing instruments |
| GB761065A (en) * | 1953-07-21 | 1956-11-07 | Cushman & Denison Company Ltd | Improvements in or relating to reservoir writing instruments |
| FR1306685A (en) * | 1961-09-05 | 1962-10-19 | Christian Sa Ets | Further development of stylographs |
| US3589824A (en) * | 1969-10-09 | 1971-06-29 | Mark Tex Corp | Cartridge marker construction |
| DE3303341A1 (en) * | 1983-02-02 | 1984-08-02 | Revell Plastics GmbH, 4980 Bünde | Device for applying a coloured liquid |
-
1986
- 1986-01-22 CA CA000500109A patent/CA1291965C/en not_active Expired - Fee Related
- 1986-02-17 IT IT8619428A patent/IT1188394B/en active
- 1986-02-18 FR FR868602164A patent/FR2577474B1/en not_active Expired - Fee Related
- 1986-02-19 GB GB08604039A patent/GB2172797B/en not_active Expired
- 1986-02-20 DE DE19863605506 patent/DE3605506A1/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB636895A (en) * | 1947-05-06 | 1950-05-10 | Arthur Gordon Trill | Improvements in or relating to reservoir brushes |
| GB2136279A (en) * | 1983-03-11 | 1984-09-19 | Ogawa Chemical Ind Ltd | Make up, marking or writing implement |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4966175A (en) * | 1986-12-09 | 1990-10-30 | Mitsubishi Pencil Co., Ltd. | Hair cosmetics coating tool |
| US4993437A (en) * | 1986-12-09 | 1991-02-19 | Mitsubishi Pencil Co., Ltd. | Hair cosmetics coating tool |
| WO2002001983A1 (en) | 2000-06-30 | 2002-01-10 | Mitsubishi Pencil Kabushiki Kaisha | Liquid applicator |
| EP1295543A1 (en) * | 2000-06-30 | 2003-03-26 | Mitsubishi Pencil Kabushiki Kaisha | Liquid applicator |
| EP1295543A4 (en) * | 2000-06-30 | 2006-12-20 | Mitsubishi Pencil Co | Liquid applicator |
Also Published As
| Publication number | Publication date |
|---|---|
| GB8604039D0 (en) | 1986-03-26 |
| GB2172797B (en) | 1988-11-09 |
| IT1188394B (en) | 1988-01-07 |
| FR2577474B1 (en) | 1990-01-12 |
| DE3605506A1 (en) | 1986-08-21 |
| IT8619428A1 (en) | 1987-08-17 |
| IT8619428A0 (en) | 1986-02-17 |
| CA1291965C (en) | 1991-11-12 |
| FR2577474A1 (en) | 1986-08-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930219 |