EP0514659A1 - Verschlussstopfen mit Pinsel - Google Patents

Verschlussstopfen mit Pinsel Download PDF

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Publication number
EP0514659A1
EP0514659A1 EP92106098A EP92106098A EP0514659A1 EP 0514659 A1 EP0514659 A1 EP 0514659A1 EP 92106098 A EP92106098 A EP 92106098A EP 92106098 A EP92106098 A EP 92106098A EP 0514659 A1 EP0514659 A1 EP 0514659A1
Authority
EP
European Patent Office
Prior art keywords
sealing
sealing plug
opening
brush
plug according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP92106098A
Other languages
German (de)
English (en)
French (fr)
Inventor
Jürgen Schmidt
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0514659A1 publication Critical patent/EP0514659A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • A45D34/045—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like connected to the cap of the container

Definitions

  • the invention relates to a sealing plug according to the preamble of patent claim 1.
  • Paints, varnishes and other liquids that can be applied to smaller areas with a brush are often packaged and sold in small bottles, which are provided with a cap to which a brush protruding into the bottle is attached. Especially for those users of these liquids who only need them occasionally, it is desirable that the bottles are tightly closable in order to keep the liquid in question usable for as long as possible. In addition, the bottles must be secure against leakage. This problem particularly affects bottles that contain nail polish, since they are also exposed to fluctuations in air pressure and temperature fluctuations, for example when traveling by air, and must be leakproof.
  • DE-GM 0 379 692 A3 describes a brush for applying a liquid containing volatile solvents, in particular nail polish.
  • This brush is intended as an insert for a sealing cap, which is provided with an internal thread that fits a thread on a bottle.
  • the brush has a conically widening shaft that merges into a cylindrical part on which a sealing bead is molded.
  • a sealing shoulder adjoins the cylindrical part, which carries a sealing lip of approximately triangular cross-section.
  • the sealing lip is located on the side of the sealing shoulder that faces a flat surface provided on the bottle.
  • Above the sealing shoulder is an attachment piece for holding the brush in the cap on the brush.
  • the sealing effect can be impaired.
  • the sealing lip can also be jeopardized if the cap is tightened too much.
  • the object of the invention is therefore to provide a stopper with a brush, with which bottles can be securely and permanently sealed even after frequent opening and closing, and which is not impaired by obliquely inserting or over-tightening the closure cap.
  • the stopper has a sealing shoulder which forms a sealing surface which forms an acute angle with the flat surface of the bottle neck surrounding the bottle opening. If the diameter of the sealing shoulder is less than the outside diameter of the flat surface, the sealing surface initially only lies linearly on the flat surface with a small axial pressure. This alone provides a seal. With a firmer pressure, the line touches without much deformation effort into a surface contact. Because of the slight deformation, destruction of the sealing surface due to excessive pressure, such as occurs when the closure cap is tightened too strongly, is definitely ruled out.
  • the conditions for inserting the hollow pin into the opening and for removing it are particularly favorable if the convexly curved surface represents a section of an imaginary sphere. Even if the hollow spigot is inserted obliquely, tilting and damage is not possible.
  • the hollow pin can spring in the radial direction. This ensures a good adaptation of the hollow pin to the diameter tolerances of the bottle opening.
  • the stopper is advantageously made in one piece from a plastic which is insensitive to the liquid contained in the bottle.
  • the stopper 1 shown in FIG. 1 is an essentially rotationally symmetrical one-piece body which is intended for use in a closure cap 2 shown in FIG. 3 and together with this for closing an opening 3 of a bottle 4 shown in FIG. 2.
  • the bottle 4 contains a solvent-containing liquid, for example nail polish or the like. and it is necessary that the opening 3 is closed as tightly as possible.
  • the sealing plug 1 has a shaft 5 which extends coaxially to the axis of symmetry and which carries a round or oval brush 7 on its end 6 facing away from the sealing plug.
  • the length of the shaft 5 is dimensioned such that the brush 7 just extends to the bottom of the bottle 4, not shown in the drawing.
  • the brush-bearing shaft 5 is connected coaxially and directly to a cup-shaped part 8 provided for fastening in the closure cap 2, the cup-shaped part being opened on the side facing away from the shaft 5 and being delimited by an end face 8a.
  • the cup-shaped part 8 is made relatively thin-walled and essentially cylindrical, which means that it can spring somewhat in the radial direction.
  • a sack-shaped recess 9 for receiving the sealing plug 1 with a flat bottom 9a which widens downwards to conical.
  • the sack-shaped recess 9 is arranged coaxially in the rotationally symmetrical sealing cap and below the center and corresponds in its dimensions exactly to the cup-shaped part 8 of the sealing plug 1.
  • a circumferential groove 10 is provided on the cup-shaped part 8.
  • the sack-shaped recess 9 of the closure cap 2 has a bead 11 which is complementary to the circumferential groove 10.
  • the closure cap is provided with a grip part 2a and an internal thread 2b adjoining the recess 9, which is designed to match an external thread 4a provided on the neck of the bottle 4.
  • the sealing plug 1 has two independently acting sealing means.
  • a sealing shoulder 12 with a sealing surface 13 extending in the radial direction is provided as the first sealing means on the sealing plug 1.
  • the sealing surface 13 With the outer circumferential surface of the cup-shaped part 8, the sealing surface 13 forms a circular circumferential sealing lip 14.
  • the sealing surface 13 is inclined somewhat in relation to the radial in the direction of the brush 7.
  • the sealing surface 13 forms an angle of approximately 8.5 ° with the radial direction.
  • the diameter of the sealing lip 13 formed by the sealing surface 13 and the outer surface of the cup-shaped part 8 is significantly larger than the diameter of the cylindrical opening 3 of the bottle 4, but smaller than the outer diameter of a flat surface 15 surrounding the opening 3, so that it is at the use rests approximately in the middle of the flat surface 15 (Fig. 4).
  • the flat surface 15 surrounding the opening 3 is oriented essentially transversely with respect to the axis of symmetry and merges with a chamfer 15a into the opening 3 with an approximately cylindrical inner surface 15b.
  • the thread 4a connects for screwing on the closure cap 2.
  • a hollow pin 16 is provided on the sealing plug 1, which axially aligns the brush-bearing shaft 5 surrounds. While the hollow pin 16 is firmly connected on one side to the sealing plug 1, to be precise with the cup-shaped part 8, it is open on the side facing the brush 7, so that it forms with the shaft 5 an annular gap 17 which is open on one side and has a square cross section .
  • the outer circumferential surface of the hollow pin 16 is a cylinder surface 18 immediately following the sealing surface 13. The diameter of this cylinder surface 18 is only slightly smaller than the diameter of the cylindrical opening 3 of the bottle 4. In the direction of the brush 7, the cylinder surface closes 18 a convexly curved surface 19.
  • the convexly curved surface 19 At the point of its greatest expansion, it has a radius 20, the diameter of which is markedly larger than the inside diameter of the cylindrical opening 3. In the direction of the brush 7, the diameter of the convex surface 19 decreases again until the diameter of the opening 3 is significantly below. At this point, the hollow pin 16 is delimited by an annular surface 21. The radius of curvature of the convexly curved surface 19 is only slightly smaller than the radius of the circumference 20. Accordingly, the convexly curved surface essentially describes a section of an imaginary sphere 22.
  • the hollow pin 16 is relatively thin-walled, so that it can spring in the radial direction in the material used, for example polyester, without the remaining sealing plug 1 being noticeably deformed thereby.
  • the sealing plug described so far works as follows: In use, the plug 1 is inserted into the cap 2. The cup-shaped part 8 is inserted into the sack-shaped recess, the groove 10 being locked in place with the bead 11 and the end face 8a on the flat bottom surface 9a is present. So that the plug 1 is fixed in the recess 9, but due to the conical expansion of the recess 9 downward, the sealing lip 14 is spaced from the cap 2.
  • the ring surface 21 first comes into the region of the opening 3.
  • the diameter of the ring surface 21 is smaller than that of the opening 3 surrounding chamfer 15a, so that the annular surface 21 can enter the opening 3 without resistance until the surface 19 abuts the chamfer 15a.
  • the surface 19 is a section of the imaginary ball 22, the surface 19 always lies evenly on the chamfer 15a, regardless of whether the sealing plug 1 is inserted straight or at a slight angle. Because of the quite large radius of curvature of the surface 19, it encloses a small angle with the cylindrical surface 15b.
  • the hollow pin 16 is subjected to a significant deformation, particularly on its convexly curved surface 19, when the sealing plug 1 is inserted into the opening 3.
  • FIG. 4 shows that the surface 19 has undergone flattening and lies flat against the cylinder surface 15b.
  • the radius 20 is reduced to the diameter of the opening 3.
  • the deformation forces that occur are considerable and result in a corresponding surface pressure. Due to the surface contact of the surface 19 on the cylinder surface 15b and the large surface pressure between these surfaces, a certain sealing of the opening 3 is already achieved.
  • the internal thread 2b is then brought into engagement and screwed with the thread 4a provided on the bottle 4 by rotating the closure cap 2.
  • the closure cap 2 with the bottom 9a of the sack-shaped recess 9 exerts pressure on the end face 8a of the closure plug 1.
  • the hollow pin 16 of the sealing plug is thereby pushed further into the opening 3 and the shoulder 12 approaches the flat surface 15.
  • the sealing plug 1 rotates together with the sealing cap 2, the surface 19 sliding on the cylindrical surface 15b. Because of the not very large friction between the surface 19 and the cylinder surface 15b, the torques to be applied for rotating the closure cap 2 are low.
  • the closure cap 2 is screwed on so far that the sealing shoulder 12 lies against the flat surface 15.
  • the sealing lip 14 touches the flat surface 15 in one Circular line. Between the circular line and the surface 19, a small, ring-shaped, closed space 23 is created. If the user now firmly pulls the sealing cap 2, the force acting on the sealing plug 1 increases so much that the sealing lip 14 and the sealing surface 13 are deformed.
  • the originally inclined sealing surface 13 is pressed onto the rigid surface 15 and adapts to its shape and position. The initially linear contact becomes a surface contact that is loaded by an axially acting force. This surface contact seals the annular space 23 from the environment.
  • the stopper 1 therefore closes the bottle 4 permanently tight. An undesired automatic loosening or screwing of the sealing plug 1 as a result of repeated pressure fluctuations is also impossible. This ensures that the liquid contained in the bottle 4 does not dry up even after a long storage period and that it retains the properties necessary for use.
  • the cap 2 is loosened by a screwing movement.
  • the sealing surface 13 is lifted off the flat surface 15, whereby it relaxes and, due to the elasticity of the plastic from which the sealing plug is made, returns to its original flat shape.
  • the hollow pin 16 of the sealing plug 1 is pulled out of the opening 3 by pulling on the sealing cap 2.
  • all that needs to be overcome is the frictional force that occurs when the surface 19 slides on the cylindrical surface 4b. This frictional force is not very great, but you can feel it.
  • the spring action of the hollow pin 16 with the surface 19 deformed by insertion into the opening 3 supports the pulling movement.
  • the surface 19 encloses with the cylinder surface an increasingly blunt angle in the course of the movement, so that the pulling movement is supported more and more. The user registers this effect as a clear snapping out of the sealing plug 1.
  • the described closing and opening processes can be repeated very often without noticeable wear of the sealing plug, in particular on the surface 19 and on the sealing surface 13, being noted. So that the plug 1 remains tight even after repeated opening and closing. Because of the shape of the hollow pin 16 and the convexly curved surface 19 as a section of an imaginary ball 22, the angles which occur when the hollow pin 16 is inserted into the opening 3 between the cylinder surface 4b delimiting the opening 3 and the surface 19 are very small. This precludes the material 3 being scraped from the surface 19 when the hollow pin 16 is inserted into the opening would. Even after being plugged in frequently, the surface 19 is undamaged and fully fulfills its function.

Landscapes

  • Closures For Containers (AREA)
EP92106098A 1991-05-04 1992-04-09 Verschlussstopfen mit Pinsel Withdrawn EP0514659A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19914114608 DE4114608C1 (enrdf_load_stackoverflow) 1991-05-04 1991-05-04
DE4114608 1991-05-04

Publications (1)

Publication Number Publication Date
EP0514659A1 true EP0514659A1 (de) 1992-11-25

Family

ID=6430992

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92106098A Withdrawn EP0514659A1 (de) 1991-05-04 1992-04-09 Verschlussstopfen mit Pinsel

Country Status (2)

Country Link
EP (1) EP0514659A1 (enrdf_load_stackoverflow)
DE (1) DE4114608C1 (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995030591A1 (de) * 1994-05-10 1995-11-16 Georg Karl Geka-Brush Gmbh Behälter mit einer schraubkappe für nagellack, mascaraflüssigkeit od.dgl.
US5909976A (en) * 1997-01-28 1999-06-08 Three Bond Co., Ltd. Brush-equipped container for cyanoacrylate adhesive
EP1650136A3 (en) * 2004-09-22 2008-01-23 C.P. Italia S.R.L. Closure for bottles in general and particularly for nails polish bottles
DE102017200747A1 (de) 2017-01-18 2018-07-19 Melanie von Escher Aufbewahrungsvorrichtung für Flüssigkeit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4405335A1 (de) * 1994-02-19 1995-08-24 Geka Brush Georg Karl Gmbh Mascaraeinheit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2803028A (en) * 1955-04-18 1957-08-20 Charles V Flynn Applicator-type bottle cap
US3130735A (en) * 1962-07-25 1964-04-28 Int Silver Co Mascara container
EP0290920A2 (de) * 1987-05-13 1988-11-17 Roche Diagnostics GmbH Behälter für Teststreifen
EP0379692A2 (de) * 1989-01-24 1990-08-01 Jürgen Schmidt Pinsel zum Auftragen einer flüchtige Lösungsmittel enthaltenden Flüssigkeit, insbesondere Nagellack

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3704496C1 (en) * 1986-12-13 1987-10-22 Citius Gmbh Buerotechnik Closure for a bottle of correction fluid

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2803028A (en) * 1955-04-18 1957-08-20 Charles V Flynn Applicator-type bottle cap
US3130735A (en) * 1962-07-25 1964-04-28 Int Silver Co Mascara container
EP0290920A2 (de) * 1987-05-13 1988-11-17 Roche Diagnostics GmbH Behälter für Teststreifen
EP0379692A2 (de) * 1989-01-24 1990-08-01 Jürgen Schmidt Pinsel zum Auftragen einer flüchtige Lösungsmittel enthaltenden Flüssigkeit, insbesondere Nagellack

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995030591A1 (de) * 1994-05-10 1995-11-16 Georg Karl Geka-Brush Gmbh Behälter mit einer schraubkappe für nagellack, mascaraflüssigkeit od.dgl.
US5863145A (en) * 1994-05-10 1999-01-26 Georg Karl Geka-Brush Gmbh Container with a screwed cap for nail varnish, liquid mascara or the like
US5909976A (en) * 1997-01-28 1999-06-08 Three Bond Co., Ltd. Brush-equipped container for cyanoacrylate adhesive
EP1650136A3 (en) * 2004-09-22 2008-01-23 C.P. Italia S.R.L. Closure for bottles in general and particularly for nails polish bottles
DE102017200747A1 (de) 2017-01-18 2018-07-19 Melanie von Escher Aufbewahrungsvorrichtung für Flüssigkeit

Also Published As

Publication number Publication date
DE4114608C1 (enrdf_load_stackoverflow) 1992-11-12

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