CA2010892A1 - Piston used for a fluid painting instrument to push out a fluid - Google Patents
Piston used for a fluid painting instrument to push out a fluidInfo
- Publication number
- CA2010892A1 CA2010892A1 CA002010892A CA2010892A CA2010892A1 CA 2010892 A1 CA2010892 A1 CA 2010892A1 CA 002010892 A CA002010892 A CA 002010892A CA 2010892 A CA2010892 A CA 2010892A CA 2010892 A1 CA2010892 A1 CA 2010892A1
- Authority
- CA
- Canada
- Prior art keywords
- fluid
- piston
- cylindrical chamber
- circumferential face
- reservoir
- 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.)
- Abandoned
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 15
- 238000010422 painting Methods 0.000 title claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
Classifications
-
- 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
- B05C17/005—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 for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
- B05C17/01—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 for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with manually mechanically or electrically actuated piston or the like
- B05C17/0116—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 for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with manually mechanically or electrically actuated piston or the like characterised by the piston driving means
- B05C17/0133—Nut and bolt advancing mechanism, e.g. threaded piston rods
-
- 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
- A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
- A45D40/02—Casings wherein movement of the lipstick or like solid is a sliding movement
- A45D40/04—Casings wherein movement of the lipstick or like solid is a sliding movement effected by a screw
-
- 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
- A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
- A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
- A45D40/262—Appliances specially adapted for applying pasty paint, e.g. using roller, using a 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
- B43K5/02—Ink reservoirs
- B43K5/06—Ink reservoirs with movable pistons for withdrawing ink from an ink-receptacle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J1/00—Pistons; Trunk pistons; Plungers
- F16J1/001—One-piece pistons
- F16J1/003—One-piece pistons with integral sealing lips
-
- 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
- A45D2200/00—Details not otherwise provided for in A45D
- A45D2200/05—Details of containers
- A45D2200/054—Means for supplying liquid to the outlet of the container
- A45D2200/055—Piston or plunger for supplying the liquid to the applicator
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Coating Apparatus (AREA)
- Pens And Brushes (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
A piston for a fluid painting instrument to push out a fluid, having an angle .alpha. formed at between 90° and 135°
within the axially inner face of axially rear, cylinder-like, sliding sealing end and the circumferential face of the cylindrical chamber of a reservoir.
A piston for a fluid painting instrument to push out a fluid, having an angle .alpha. formed at between 90° and 135°
within the axially inner face of axially rear, cylinder-like, sliding sealing end and the circumferential face of the cylindrical chamber of a reservoir.
Description
A PISTON USED FOR A FLUID PAINTING INSTRUMENT
TO PUSH OUT A FLUID
BACKGROUND OF THE INVENTION
Field of the invention The present invention relates to a piston used for a painting (including a concept of writing) instrument and more particularly it relates to a piston fitting within the reservoir of a painting instrument containing a fluid such as writing or correction ink, l~quid cosmetics, paint, adhesive or liquid medicament to push out the fluid by applying a new unretrogressive mechanism.
Prior art One of conventional pistons of this kind comprises as illustrated in Fig. 3;
a plastic piston 4 having cylinder-like, tapered sealing ends 3 which are mounted in a slanting position on the circumferential face of the cylinderical chamber 2 of a reservoir 1 so that they can laterally extend and slide along each circumferential face of the cylindrical chamber being defined in either the front or the rear of axial direction indicated by an arrow symbol, and, a metal plate 5 attached to the back of the piston 4, whose sealing ends are so positioned on the circumferential face of the cylindrical chamber as to make the piston 4 -unretrogressive.
The conventional piston attaching a metal plate 5 thereto has proved disadvantageous in terms of high production , ", .. . . ... . .. .. . . . ...
,, ,, , , , , ,:, ,' ': .
TO PUSH OUT A FLUID
BACKGROUND OF THE INVENTION
Field of the invention The present invention relates to a piston used for a painting (including a concept of writing) instrument and more particularly it relates to a piston fitting within the reservoir of a painting instrument containing a fluid such as writing or correction ink, l~quid cosmetics, paint, adhesive or liquid medicament to push out the fluid by applying a new unretrogressive mechanism.
Prior art One of conventional pistons of this kind comprises as illustrated in Fig. 3;
a plastic piston 4 having cylinder-like, tapered sealing ends 3 which are mounted in a slanting position on the circumferential face of the cylinderical chamber 2 of a reservoir 1 so that they can laterally extend and slide along each circumferential face of the cylindrical chamber being defined in either the front or the rear of axial direction indicated by an arrow symbol, and, a metal plate 5 attached to the back of the piston 4, whose sealing ends are so positioned on the circumferential face of the cylindrical chamber as to make the piston 4 -unretrogressive.
The conventional piston attaching a metal plate 5 thereto has proved disadvantageous in terms of high production , ", .. . . ... . .. .. . . . ...
,, ,, , , , , ,:, ,' ': .
2~o~%
cost resulting from increased assembling prosesses and parts and components. What is more disadvantageous, the metal plate 5 causing the inner surface of the cylindrical chamber 2 of a reservoir 1 to be scratched has made the said reservoir 1 unreusable.
SUMMARY OF THE INVENTION
The object of the present invention is to make available at a reasonable cost a piston fitting within a painting instrument to push out a fluid and remaining unretrogressive within a reservoir without an attachment like the said metal plate 5 and with little likelihood of causing the cylindrical chamber of a reservoir to be scratched.
According to the present invention, is offered a plastic piston fitting within a fluid painting instrument to push out a fluid, having cylinder-like, tapered sealing ends which are mounted in a slanting position on the circumferential face of the cylindrical chamber of a reservoir so that they can laterally extend and slide along each circumferential face of the cylindrical chamber being defined in either the front or the rear of axial direction, and having an angle ~ arranged at between 90 and 135 within the axially ~;-inner face of axially rear sealing end and the said cirsumferential face of the cylindrical chamber.
BRIEF DESCRIPTION OF THE DRAWING
Pig. 1 shows a longitudinal section of the central part of a manicuring device utilizing a piston according to the present invention;
Fig. 2 shows a longitudial section of the key part of - ,, :, . , - ' ' '', ' '', , ' - ,.'' ''::' , ' '. ' , ',' .. ,~,,, ' ,- .
201089;~
the said device; and Fig. 3 shows the same section of the conventional piston as illustrated in Fig. 2.
DETAILED DESCRIPTION AND THE PREFERRED EMBODIMENTS
The present invention is detailed in the following by referring to ~ig. 1 and Fig. 2 showing a manicuring device using a piston according to the present invention, but is in no way confined thereto.
A piston 6 is so fitting within a reservoir 1 containing a manicure fluid 7 as to slide freely toward the tip of the instrument, thus pushing out with a guiding device located at the back of the piston the fluid 7 onto a brush 8 attached to the said tip of the instrument.
To explain more in detail the said piston guiding device, a rod 9 having a substantial screw attached perpendicularly to the back of a piston 6 is non-rotable, as inserted in a square-shaped hollow 11 of a stopper 10. The helical axis rod 9 is sofitting within a helical cylinder 12 as to move forward by handling a rotating means 13 whose rotation is transformed into a forward motion of the helical axis rod through the said helical cylinder 12, thereby guiding the piston 6 forward. However, a piston of my invention can be designed to work with any kind of guiding device.
A polyethylene piston 6 molded in whole has, as illustrated in Fig. 2, cylinder-like, tapered sealing ends 3 3a which are mounted in a slanting position on the circumferential face of a cylindrical chamber 2 o a reservoir 1 so that they can laterally extend and slide along each " , ~ ' ' ~, . , , , , , ,:
.~ -, ; " , ",, ,, ~, ", ", ", ,,: - ,, ,, ,,, , , :
,, , , " ' , ", ' ', '; ' ' ~, " ~ ' ' , ' ' , , '' , ' ' :
' '' . '',, ~ ' ,-- .
;~ .QB~2 circumferential face of the cylindrical chamber being defined in either the front or the rear of axial direction, an angle being formed at around 120 within the axially inr.er face of axially rear sealing end 3a and the said circumferential face of the cylindrical chamber 2 of a reservoir (1). The angle a can arbitrarily be designed at between 90 and 135.
With the angle so designed, the tips, in particular, of sliding sealing ends 3 & 3a are forced to laterally extend by friction generated, when a piston 7 is pressured by backward motion, between the tips of sliding sealing ends 3 &
3a and the circumferential face of a reservoir 1, so that the piston works to refrain from retrogressing by a force generated by the tips of sliding sealing ends pressing the circumferential face of a reservoir 1. If and when the said angle is formed at outside the range of 90 to 135, a force working on the tips of sliding sealing ends to laterally extend is so too small that the said tips of sealing ends 3 & --3a only slide along the circumferential face of a reservoir 1 and a piston 7 can hardly refrain from retrogressing. No special material for a piston is required.
, . , : " . ~ ~,,,, ,, , , , , ., , ; .. . . . .
~" ~ " ~ ""
, ~I "
... . . . , .
', ' ' - / ' ,,,, ' ,', ' ' ,' "' ' " ' ' .
.. . . .. . ... . .
cost resulting from increased assembling prosesses and parts and components. What is more disadvantageous, the metal plate 5 causing the inner surface of the cylindrical chamber 2 of a reservoir 1 to be scratched has made the said reservoir 1 unreusable.
SUMMARY OF THE INVENTION
The object of the present invention is to make available at a reasonable cost a piston fitting within a painting instrument to push out a fluid and remaining unretrogressive within a reservoir without an attachment like the said metal plate 5 and with little likelihood of causing the cylindrical chamber of a reservoir to be scratched.
According to the present invention, is offered a plastic piston fitting within a fluid painting instrument to push out a fluid, having cylinder-like, tapered sealing ends which are mounted in a slanting position on the circumferential face of the cylindrical chamber of a reservoir so that they can laterally extend and slide along each circumferential face of the cylindrical chamber being defined in either the front or the rear of axial direction, and having an angle ~ arranged at between 90 and 135 within the axially ~;-inner face of axially rear sealing end and the said cirsumferential face of the cylindrical chamber.
BRIEF DESCRIPTION OF THE DRAWING
Pig. 1 shows a longitudinal section of the central part of a manicuring device utilizing a piston according to the present invention;
Fig. 2 shows a longitudial section of the key part of - ,, :, . , - ' ' '', ' '', , ' - ,.'' ''::' , ' '. ' , ',' .. ,~,,, ' ,- .
201089;~
the said device; and Fig. 3 shows the same section of the conventional piston as illustrated in Fig. 2.
DETAILED DESCRIPTION AND THE PREFERRED EMBODIMENTS
The present invention is detailed in the following by referring to ~ig. 1 and Fig. 2 showing a manicuring device using a piston according to the present invention, but is in no way confined thereto.
A piston 6 is so fitting within a reservoir 1 containing a manicure fluid 7 as to slide freely toward the tip of the instrument, thus pushing out with a guiding device located at the back of the piston the fluid 7 onto a brush 8 attached to the said tip of the instrument.
To explain more in detail the said piston guiding device, a rod 9 having a substantial screw attached perpendicularly to the back of a piston 6 is non-rotable, as inserted in a square-shaped hollow 11 of a stopper 10. The helical axis rod 9 is sofitting within a helical cylinder 12 as to move forward by handling a rotating means 13 whose rotation is transformed into a forward motion of the helical axis rod through the said helical cylinder 12, thereby guiding the piston 6 forward. However, a piston of my invention can be designed to work with any kind of guiding device.
A polyethylene piston 6 molded in whole has, as illustrated in Fig. 2, cylinder-like, tapered sealing ends 3 3a which are mounted in a slanting position on the circumferential face of a cylindrical chamber 2 o a reservoir 1 so that they can laterally extend and slide along each " , ~ ' ' ~, . , , , , , ,:
.~ -, ; " , ",, ,, ~, ", ", ", ,,: - ,, ,, ,,, , , :
,, , , " ' , ", ' ', '; ' ' ~, " ~ ' ' , ' ' , , '' , ' ' :
' '' . '',, ~ ' ,-- .
;~ .QB~2 circumferential face of the cylindrical chamber being defined in either the front or the rear of axial direction, an angle being formed at around 120 within the axially inr.er face of axially rear sealing end 3a and the said circumferential face of the cylindrical chamber 2 of a reservoir (1). The angle a can arbitrarily be designed at between 90 and 135.
With the angle so designed, the tips, in particular, of sliding sealing ends 3 & 3a are forced to laterally extend by friction generated, when a piston 7 is pressured by backward motion, between the tips of sliding sealing ends 3 &
3a and the circumferential face of a reservoir 1, so that the piston works to refrain from retrogressing by a force generated by the tips of sliding sealing ends pressing the circumferential face of a reservoir 1. If and when the said angle is formed at outside the range of 90 to 135, a force working on the tips of sliding sealing ends to laterally extend is so too small that the said tips of sealing ends 3 & --3a only slide along the circumferential face of a reservoir 1 and a piston 7 can hardly refrain from retrogressing. No special material for a piston is required.
, . , : " . ~ ~,,,, ,, , , , , ., , ; .. . . . .
~" ~ " ~ ""
, ~I "
... . . . , .
', ' ' - / ' ,,,, ' ,', ' ' ,' "' ' " ' ' .
.. . . .. . ... . .
Claims
What is claimed is:
A plastic piston for a fluid painting instrument to push out a fluid, having cylinder-like, tapered sealing ends which are mounted in a slanting position on the circumferential face of the cylindrical chamber of a reservoir so that they can laterally extend and slide along each circumferential face of the said cylindrical chamber being defined in either the front or the rear of axial direction, and being characterized by forming an angle a at between 90°
and 135° within the axially inner face of axially rear sealing end and the said circumferential face of the cylindrical chamber.
A plastic piston for a fluid painting instrument to push out a fluid, having cylinder-like, tapered sealing ends which are mounted in a slanting position on the circumferential face of the cylindrical chamber of a reservoir so that they can laterally extend and slide along each circumferential face of the said cylindrical chamber being defined in either the front or the rear of axial direction, and being characterized by forming an angle a at between 90°
and 135° within the axially inner face of axially rear sealing end and the said circumferential face of the cylindrical chamber.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989021768U JPH02112380U (en) | 1989-02-27 | 1989-02-27 | |
| JP21,768/1989 | 1989-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2010892A1 true CA2010892A1 (en) | 1990-08-27 |
Family
ID=12064252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002010892A Abandoned CA2010892A1 (en) | 1989-02-27 | 1990-02-26 | Piston used for a fluid painting instrument to push out a fluid |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPH02112380U (en) |
| KR (1) | KR920008449Y1 (en) |
| CA (1) | CA2010892A1 (en) |
| DE (1) | DE4005856A1 (en) |
| FR (1) | FR2643576A1 (en) |
| GB (1) | GB2229791B (en) |
| IT (1) | IT1239348B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09322819A (en) * | 1996-06-04 | 1997-12-16 | Mitsubishi Pencil Co Ltd | Applying means |
| US5851079A (en) * | 1996-10-25 | 1998-12-22 | The Procter & Gamble Company | Simplified undirectional twist-up dispensing device with incremental dosing |
| JP4596675B2 (en) * | 2001-05-08 | 2010-12-08 | 株式会社パイロットコーポレーション | Valve member of liquid suction mechanism |
| JP5338157B2 (en) * | 2008-06-30 | 2013-11-13 | ぺんてる株式会社 | Writing instrument |
| DE202008015128U1 (en) * | 2008-11-14 | 2010-04-08 | H. & M. Gutberlet Gmbh | Cosmetic or pen |
| GB2554401B (en) | 2016-09-26 | 2019-01-23 | Dyson Technology Ltd | Cleaning appliance |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB337344A (en) * | 1929-04-27 | 1930-10-27 | John Wesley Mcquaid | Pistons |
| US2040999A (en) * | 1935-05-27 | 1936-05-19 | Conklin Pen Company | Fountain pen |
| GB572055A (en) * | 1944-02-08 | 1945-09-20 | Angus George Co Ltd | Improvements in cup washers |
| FR916524A (en) * | 1945-06-19 | 1946-12-09 | Refill Pump Pen Improvements | |
| GB691598A (en) * | 1950-02-22 | 1953-05-20 | Thomas Boorn & Company Ltd | Improvements in and relating to pump pistons |
| GB768713A (en) * | 1954-07-23 | 1957-02-20 | Hulie Emery Bowerman | Improvements in or relating to piston sealing arrangements |
| DE1101217B (en) * | 1957-06-21 | 1961-03-02 | Helmut Bross Dipl Ing | Fountain pen with main and reserve ink space |
| GB887936A (en) * | 1958-11-11 | 1962-01-24 | Maquinaria Petrolifera S A | Pump piston |
| FR2203476A5 (en) * | 1972-10-18 | 1974-05-10 | Commissariat Energie Atomique | |
| GB1579677A (en) * | 1977-06-29 | 1980-11-19 | Wickman Lang Ltd | Pistons |
| DE2847274C2 (en) * | 1978-10-31 | 1983-01-27 | Fa. Carl Freudenberg, 6940 Weinheim | Piston for a working cylinder |
| ES2041747T3 (en) * | 1987-07-20 | 1993-12-01 | Intellectual Property Holding Co. | PERFECT SEALED UNION FOR A DISPENSER TUBE. |
-
1989
- 1989-02-27 JP JP1989021768U patent/JPH02112380U/ja active Pending
-
1990
- 1990-02-23 DE DE4005856A patent/DE4005856A1/en not_active Ceased
- 1990-02-26 FR FR9002332A patent/FR2643576A1/en active Pending
- 1990-02-26 CA CA002010892A patent/CA2010892A1/en not_active Abandoned
- 1990-02-27 GB GB9004325A patent/GB2229791B/en not_active Expired - Fee Related
- 1990-02-27 IT IT19493A patent/IT1239348B/en active IP Right Grant
- 1990-02-27 KR KR9002142U patent/KR920008449Y1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| DE4005856A1 (en) | 1990-08-30 |
| IT9019493A0 (en) | 1990-02-27 |
| GB2229791A (en) | 1990-10-03 |
| JPH02112380U (en) | 1990-09-07 |
| FR2643576A1 (en) | 1990-08-31 |
| GB9004325D0 (en) | 1990-04-25 |
| KR920008449Y1 (en) | 1992-11-30 |
| IT1239348B (en) | 1993-10-20 |
| IT9019493A1 (en) | 1991-08-27 |
| GB2229791B (en) | 1992-11-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |