EP0256279B1 - Distributeur pour agents correcteurs liquides, laques etc. - Google Patents

Distributeur pour agents correcteurs liquides, laques etc. Download PDF

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Publication number
EP0256279B1
EP0256279B1 EP87109635A EP87109635A EP0256279B1 EP 0256279 B1 EP0256279 B1 EP 0256279B1 EP 87109635 A EP87109635 A EP 87109635A EP 87109635 A EP87109635 A EP 87109635A EP 0256279 B1 EP0256279 B1 EP 0256279B1
Authority
EP
European Patent Office
Prior art keywords
housing
valve member
outlet opening
deformable
actuating means
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 - Lifetime
Application number
EP87109635A
Other languages
German (de)
English (en)
Other versions
EP0256279A1 (fr
Inventor
Klaus Dipl.-Ing. Frietsch
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.)
Schmidt Feintechnik GmbH
Original Assignee
Schmidt Feintechnik GmbH
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 Schmidt Feintechnik GmbH filed Critical Schmidt Feintechnik GmbH
Priority to AT87109635T priority Critical patent/ATE51807T1/de
Publication of EP0256279A1 publication Critical patent/EP0256279A1/fr
Application granted granted Critical
Publication of EP0256279B1 publication Critical patent/EP0256279B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/0018—Erasers, rubbers, or erasing devices; Holders therefor with fluids
    • 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
    • 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

Definitions

  • the invention relates to a device for the metered application of liquid correcting agents, paints or similar liquids according to the preamble of claim I.
  • a device of this type is known from US Pat. No. 3,902,815.
  • the outlet opening for the liquid at the top of the housing is closed by a shaft-shaped valve member which is pressed axially forward into the closed position by a compression spring.
  • the actuating means provided in the housing of the device has two spread leaf springs which are supported with their front end on the inner wall of the housing and with their rear end on the valve member. The two leaf springs can be pressed together by two pushbuttons which are arranged diametrically in the housing wall, as a result of which the valve member is moved backwards and frees the outlet opening for the liquid.
  • the device To operate, the device must be pressed together at exactly the diametrical points of the push buttons. This makes the handling of the device and its precise guidance when dispensing the liquid difficult. Since the push buttons are radially displaceable in the housing wall, an additional elastic hose is provided to seal the storage space provided in the housing for the liquid, which is arranged between the push buttons and the leaf springs. The additional hose required for sealing makes assembly and sealing of the device difficult.
  • the actuating means consisting of pushbuttons and leaf springs is complicated in construction and therefore complex to manufacture and assemble.
  • a device for dispensing liquids is known from FR-A 1 434 743, with a storage space for the liquid provided in a housing and an outlet opening for the liquid provided at the top of the housing.
  • an axial valve member which closes the outlet opening is fixedly arranged in the housing, and the tip with the outlet opening is advanced axially to discharge the liquid against the pressure of a spring and is lifted off the valve member.
  • For axially displacing the tip there are two levers arranged diametrically to one another in the housing, which are pivoted by pressing together the elastically deformable housing and thereby displacing the tip via cams.
  • the pivotable levers take up a lot of space in the housing, so that the device must be of large volume.
  • the housing casing In this device, too, the housing casing must be compressed exactly at the diametrical points at which the levers are arranged. Precise guidance of the device when dispensing the liquid is therefore difficult.
  • the device has an elastically expandable closure cap which opens when the deformable housing is compressed under the pressure of the liquid and allows it to escape. The housing must be pressed together with vigorous pressure so that the liquid pressure spreads the cap apart. This strong compression stands in the way of precise guidance of the tip with the dispensing opening.
  • the invention has for its object to provide a device of the type mentioned that is simple and made up of a few parts and is therefore less expensive to manufacture and assemble and seal.
  • the housing has a continuously closed wall, so that the housing itself can form the storage space for the liquid without additional complex sealing measures.
  • the actuating means is arranged in the interior of the closed housing and can be actuated from the outside in that the housing is designed to be elastically deformable in the region of the actuating means.
  • the actuating means is expediently designed to be rotationally symmetrical and can be deformed by radial pressure at any two essentially diametrical points. The device can therefore be detected in any rotational position and it is sufficient to press the device in the region of the elastically deformable housing shell between two fingers in order to move the valve member and to open the outlet opening for the liquid.
  • the actuating means is designed as a membrane plate, which is held under the spring force on an annular seat and overlaps this seat with a bent edge which bears against the inside of the deformable housing jacket.
  • the membrane plate is connected to the valve member. If a radial pressure is exerted on the edge of the membrane plate at diametrical points, the membrane plate bulges against the spring force and lifts off the seat. This pulls the valve member back and releases the outlet opening.
  • the membrane plate and the seat separate the storage space of the housing from the tip with the outlet opening. If there is an overpressure in the storage room, e.g. due to an increase in temperature in the storage room or due to a decrease in the outside air pressure at a greater height, this overpressure also pushes the membrane plate onto the seat and creates a stronger seal between the storage room and the tip of the device. This overpressure also causes the diaphragm plate to bulge slightly towards the tip, causing the valve member to have increased axia pressure is pressed into the outlet opening of the tip and the sealing effect is also strengthened there. An unintentional leakage of the liquid in the event of an overpressure in the liquid and an overpressure in the storage space is thereby reliably avoided.
  • the actuating means is designed as a radially deformable projection which is arranged coaxially in the housing.
  • a coaxial cone which is arranged on the valve member, engages in this projection. If the projection is deformed by a diametrically exerted radial pressure, it pushes it backwards together with the valve member due to the wedge effect of the cone, so that the outlet opening is released.
  • the projection can be formed from axially parallel tongues which are arranged distributed over a circumference. These ribs allow easy deformability in the radial direction.
  • the projection can also be a radially deformable closed cylinder jacket, the cone preferably having a closed conical jacket surface.
  • the cylindrical projection and the cone also form a second additional seal between the storage space and the tip of the device. This seal is also reinforced if there is overpressure in the storage room. The overpressure acting on the cone also presses the valve member more strongly against the outlet opening, so that the seal is also reinforced there.
  • the device consists of a few individual parts that are easy to manufacture from plastic and can be easily assembled.
  • the device has a housing 10 in the form of a writing instrument, which has a storage space 12 for a liquid to be dispensed, e.g. encloses a liquid correction agent.
  • the housing 10 At its front end, the housing 10 has a tip 14, in which there is an outlet opening 16 for the liquid.
  • the tip 14 merges with a radial shoulder into the larger diameter of the housing 10, so that a cover cap 18 can be placed on the tip 14, the outer circumference of which is flush with the outer circumference of the housing 10.
  • the housing 10 At the tip 14 there is an axial section of the housing 10, which is designed as an elastically deformable housing jacket 20 with a smaller wall thickness.
  • the housing jacket 20 with a smaller wall thickness is sealingly fitted onto the adjoining housing 10 with a larger wall thickness.
  • a cylindrical extension 22 extends coaxially into the housing shell 20.
  • the cylindrical extension 22 is at a radial distance from the housing shell 20.
  • the cylindrical extension 22 With its free inner end, the cylindrical extension 22 forms an annular seat 24 for a circular disk-shaped membrane plate 26 which is designed as a closed plate and is elastically deformable.
  • the membrane plate 26 projects over the seat 24 with an edge 28.
  • the edge 28 is bent against the plane of the membrane plate 26 so that it engages in the radial space between the cylindrical extension 22 and the housing jacket 20 and abuts the housing jacket 20 from the inside.
  • a valve member 30 is formed in the center of the membrane plate 26 in the form of a rigid shaft, which projects into the tip, is guided axially there and seals the outlet opening 16 in a sealed manner with a conical surface formed on its tip.
  • a conical compression spring 32 is supported with its front end with a small diameter centrally on the membrane plate 26 and with its rear end with a large diameter on a shoulder of the housing 10, which is formed by the front edge of the housing part with a greater wall thickness.
  • the part of the housing 10 with a larger wall thickness, the tip 14 with the cylindrical extension 22 and the thinned housing shell 20, and the membrane plate with the valve member 30 are each one-piece plastic injection-molded parts.
  • the entire device is composed of these three plastic injection molded parts and the helical compression spring 32, which preferably also consists of plastic. This results in simple manufacture and assembly.
  • the helical compression spring 32 presses on the membrane plate 26 and holds it against the seat 24. Due to the pressure of the helical compression spring 32 acting centrally on the elastically deformable membrane plate 26, the valve member 30 formed centrally on the membrane plate 26 is pressed with its conical tip into the outlet opening 16 so that it is tightly closed. If the housing jacket 20 is radially compressed in the area of the membrane plate 26 at two diametrical points, the edge 28 is pressed together at these points and the membrane plate 26 bulges out against the pressure of the helical compression spring 32 along a line which runs perpendicular to the connecting line of the pressure points. Due to this bulging of the membrane plate 26, the valve member 30 is withdrawn axially from the outlet opening 16, so that this outlet opening is released is and the liquid can emerge from the tip 14.
  • the cylindrical extension 22 is formed with a closed outer surface and the membrane plate 26 is a closed plate, then the cylindrical extension 22 and the membrane plate 26 sealingly seated against the seat 24 under the pressure of the helical compression spring 32 make the storage space 12, which holds the liquid contains, closed against the tip 14 with the outlet opening 16. This results in a second seal in addition to the sealing of the outlet opening 16 by the valve member 30.
  • the membrane plate 26 If the membrane plate 26 is radially compressed so that it bulges out and pulls the valve member 30 out of the outlet opening 16, the membrane plate 26 lifts off from the seat 24 in the region of this bulge, so that the liquid from the storage space 12 reaches the tip 14 can. Both seals of the storage space are thus opened simultaneously by the radial compression.
  • An overpressure prevailing in the storage space 12 acts in the same sense as the helical compression spring 32 on the membrane plate 26 and reinforces its sealing with respect to the seat 24 and the sealing of the outlet opening 16 by the valve member 30.
  • Figure 2 shows the front end of a second embodiment of the device.
  • This embodiment is essentially the same as the embodiment in FIG.
  • the liquid does not exit directly at the outlet opening 16 of the tip 14, but rather passes into a brush 34 attached to the tip 14.
  • the liquid can be applied by means of the brush 34, as is e.g. is preferred when applying nail polish.
  • FIG. 2 also shows slight deviations from the embodiment of FIG. 1 in the design of the individual parts.
  • the tip 14 and the cylindrical extension 22 with the seat 24 are formed as one part, while the thinned housing jacket 20 is an integral part of the entire housing 10 is. Accordingly, the helical compression spring 32 is supported on an internally molded bead of the housing 10.
  • the cover cap 18 is also pushed over the thinned housing shell 20 in order to avoid inadvertent compression of the housing shell 20. This is important, for example, if the device is used to apply nack polish and is kept in the handbag.
  • the device in the embodiment of FIG. 2 corresponds to the embodiment of FIG. I, so that the same reference numbers are used and reference can be made to the description there.
  • the tip 14 is formed in one piece with the thinned housing jacket 20, which is fitted onto the rear part of the housing 10 with greater wall thickness.
  • the outlet opening 16 is closed by the shaft-shaped valve member 30 that has a rearwardly widening cone 36 at its rear end.
  • An insert 38 is inserted into the tip 14, which axially guides the valve member 30 and has a projection projecting rearward into the housing.
  • This projection is formed by ribs 40, which are arranged on a circumference and, starting from the insert 38, project axially parallel into the space enclosed by the thinned housing jacket 20.
  • the ribs 40 At their free ends, the ribs 40 have an edge 42 which is bent radially outwards and abuts the thinned deformable housing jacket 20 from the inside. In this way, the ribs 40 can be bent inwards by radial pressure against the housing jacket 20.
  • the cone 36 is under the pressure of the helical compression spring 32 with its conical surface in contact with the bending edge of the ribs 40, at which the ribs 40 merge into the edge 42.
  • the helical compression spring 32 presses the cone 36 forward, as a result of which the ribs 40 are pressed outward and the valve member 30 sits with its conical tip under pressure in the outlet opening 16. If diametrically arranged ribs 40 are radially compressed from the outside, the cone 36 is pushed axially backwards against the pressure of the helical compression spring 32 by the wedge action of its conical surface, so that the valve member 30 releases the outlet opening 16 and the liquid can escape.
  • FIGS. 5 and 6 show a modified embodiment of the device of FIGS. 3 and 4.
  • the embodiment of FIGS. 5 and 6 differs from the embodiment of FIGS. 3 and 4 only in that the coaxially deformable projection used by means of the insert 38 is not formed by ribs, but by a closed cylinder jacket.
  • the wall thickness of the cylinder jacket 44 is selected so that it can be deformed by radial pressure against its outwardly bent edge 42.
  • the cone 36 with the valve member 30 can be moved axially backwards by diametrical pressure against the edge 40 of the cylinder jacket 44 in order to open the outlet opening 16.
  • the closed cylinder jacket 44 and the closed cone 36 seated on its bending edge form a completely sealing separation between the storage space 12 and the tip 14.
  • Sealing the outlet opening 16 by the valve member 30 a second seal of the storage space 12 against the tip 14. If there is an overpressure in the storage space 12, this acts in the same way as the helical compression spring 32 on the cone 36 and presses it against the bending edge of the cylinder jacket 44, wherein at the same time the sealing pressure of the cone 36 against the bending edge of the cylinder jacket 44 and the sealing pressure of the valve member 30 in the outlet opening 16 can be increased.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Coating Apparatus (AREA)

Claims (9)

1. Appareil pour la distribution dosée de produits correcteurs liquides, de vernis ou de liquides analogues, comprenant un boîtier (10), un réservoir (12) pour le liquide prévu dans le boîtier (10), un orifice de sortie (16) pour le liquide prévu dans la pointe (14) du boîtier (10), un élément de soupape (30) déplaçable axialement dans le boîtier (10) et poussé, sous l'effet d'un ressort dans une position avancée dans laquelle il obture l'orifice de sortie (16), ainsi qu'un moyen d'actionnement qui peut être déformé élastiquement par pression radiale et dont la déformation a pour effet de ramener l'élément de soupape (30) dans une position dans laquelle l'orifice de sortie (16) est dégagé, caractérisé en ce que le moyen d'actionnement est disposé à l'intérieur du boîtier (10), conformé à symétrie de révolution et déformable par une pression radiale appliquée à des points sensiblement diamétralement opposés, et que le boî- fier (10) présente, dans la région axiale du moyen d'actionnement, une enveloppe de boîtier (20) déformable de manière élastique.
2. Appareil selon la revendication 1, caractérisé en ce que le moyen d'actionnement est conformé en plaque à diaphragme (26) disposée perpendiculairement à l'axe du boîtier (10) et portant l'élément de soupape (30), laquelle est appliquée, sous l'effet d'un ressort, contre un siège (24) placé coaxialement dans le boîtier, et dont un rebord (28) recouvrant radialement le siège (24) est en contact avec l'enveloppe de boîtier (20).
3. Appareil selon la revendication 2, caractérisé en ce que l'élément de soupape (30) est monté concentriquement sur la plaque à diaphragme (26) et que l'effet de ressort est produit par un ressort de pression conique (32) qui s'appuie avec son extrémité postérieure sur la paroi intérieure du boîtier (10) et de manière concentrique, avec son extrémité antérieure, sur la plaque à diaphragme (26).
4. Appareil selon la revendication 2, caractérisé en ce que la plaque à diaphragme (26) est réalisée sous la forme d'une plaque pleine fermant le siège (24), et que le siège (24) est conformé sur une rallonge cylindrique (22) qui, avec une surface latérale fermée, s'adapte au boîtier (10).
5. Appareil selon la revendication 1, caractérisé 'en ce que le moyen d'actionnement est conformé en saillie déformable dans le sens radial et disposée coaxialement dans le boîtier (10), qui agit avec son extrémité libre sur un cône coaxial (36) disposé sur l'élément de soupape (30).
6. Appareil selon la revendication 5, caractérisé en ce que la saillie présente à son extrémité déformable un rebord (42) appliqué radialement contre l'enveloppe de boîtier (20) déformable et qu'elle est appliquée avec l'arête de flexion dudit rebord (42) contre le cône (36).
7. Appareil selon la revendication 5, caractérise en ce que la saillie est constituée par des nervures (40) orientées parallèlement à l'axe et disposées sur une circonférence.
8. Appareil selon la revendication 5, caractérisé en ce que la saillie est constituée par un corps de cylindre (44) fermé et que le cône (36) présente une aire latérale fermée.
9. Appareil selon la revendication 5, caractérisé en ce que l'effet de ressort est produit par un ressort de pression (32) dont l'extrémité postérieure s'appuie sur la paroi intérieure du boîtier (10) et dont l'extrémité antérieure prend appui sur le cône (36).
EP87109635A 1986-08-06 1987-07-04 Distributeur pour agents correcteurs liquides, laques etc. Expired - Lifetime EP0256279B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87109635T ATE51807T1 (de) 1986-08-06 1987-07-04 Geraet zum dosierten ausbringen von fluessigen korrekturmitteln, lacken oder dergleichen fluessigkeiten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863626622 DE3626622A1 (de) 1986-08-06 1986-08-06 Geraet zum dosierten ausbringen von fluessigen korrekturmitteln, lacken oder dgl. fluessigkeiten
DE3626622 1986-08-06

Publications (2)

Publication Number Publication Date
EP0256279A1 EP0256279A1 (fr) 1988-02-24
EP0256279B1 true EP0256279B1 (fr) 1990-04-11

Family

ID=6306800

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87109635A Expired - Lifetime EP0256279B1 (fr) 1986-08-06 1987-07-04 Distributeur pour agents correcteurs liquides, laques etc.

Country Status (4)

Country Link
EP (1) EP0256279B1 (fr)
JP (1) JPS63110179A (fr)
AT (1) ATE51807T1 (fr)
DE (2) DE3626622A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3742297C1 (en) * 1987-12-14 1989-08-24 Geka Brush Georg Karl Gmbh Delivery device for liquids
DE3835299C1 (fr) * 1988-10-17 1989-12-21 Georg Karl Geka-Brush Gmbh, 8809 Bechhofen, De
FR2646652B1 (fr) * 1989-05-05 1991-10-04 Lvmh Rech Dispositif de delivrance d'un produit quelconque contenu dans un reservoir a paroi deformable
DE9412461U1 (de) * 1994-08-02 1994-09-22 Uhlig GmbH, 56291 Laudert Stift zum Auftrag von Flüssigkeiten auf Unterlagen
DE10103437B4 (de) * 2001-01-25 2006-07-06 Schmidt Feintechnik Gmbh Schreib- und/oder Dosiergerät für Tinte
DE10327182B4 (de) * 2003-06-17 2009-07-02 Holger Nerlich Dosierstift
DE102010033576A1 (de) 2010-08-03 2012-02-09 Gebr. Schmidt Fabrik für Feinmechanik GmbH & Co. KG Vorrichtung zum dosierten Ausbringen von fluiden Medien

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB531741A (en) * 1939-08-01 1941-01-09 Clairol N V Improvements in devices for the dyeing and bleaching of human hair
GB852522A (en) * 1957-09-16 1960-10-26 Walter Zauner Improvements in or relating to a container, such as tube, bottle or the like
US3035742A (en) * 1958-04-23 1962-05-22 Cholet Bertram Drafting pen and ink cartridge therefor
DE1486315A1 (de) * 1964-05-22 1969-04-30 Eberspaecher Geb Helms Gefaessverschluss
US3902815A (en) * 1974-04-01 1975-09-02 Liquid Paper Corp Positive displacement dispenser
US4149814A (en) * 1977-06-20 1979-04-17 E. I. Du Pont De Nemours And Company Fountain brush liquid applicator
JPS60106775A (ja) * 1983-11-14 1985-06-12 株式会社日立製作所 エレベ−タ−乗かご
JPS60106776A (ja) * 1983-11-14 1985-06-12 株式会社東芝 エレベ−タの群管理制御方法
JP2942421B2 (ja) * 1992-09-24 1999-08-30 鐘紡株式会社 粘土状ソフトキャンディ

Also Published As

Publication number Publication date
DE3626622C2 (fr) 1988-09-22
EP0256279A1 (fr) 1988-02-24
JPS63110179A (ja) 1988-05-14
DE3626622A1 (de) 1988-02-18
DE3762202D1 (de) 1990-05-17
ATE51807T1 (de) 1990-04-15

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