EP0715891B1 - Bottle, especially for standard solutions - Google Patents

Bottle, especially for standard solutions Download PDF

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Publication number
EP0715891B1
EP0715891B1 EP95117115A EP95117115A EP0715891B1 EP 0715891 B1 EP0715891 B1 EP 0715891B1 EP 95117115 A EP95117115 A EP 95117115A EP 95117115 A EP95117115 A EP 95117115A EP 0715891 B1 EP0715891 B1 EP 0715891B1
Authority
EP
European Patent Office
Prior art keywords
bottle
bottle body
cylindrical portion
capillary channel
cap
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
EP95117115A
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German (de)
French (fr)
Other versions
EP0715891A1 (en
Inventor
Michael Prof. Dr. c/o Promochem GmbH Oehme
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.)
Promochem Handelsgesellschaft fur Chemische Produkte GmbH
Promochem GmbH Handelsgesellschaft fur Chemische Produkte
Original Assignee
Promochem Handelsgesellschaft fur Chemische Produkte GmbH
Promochem GmbH Handelsgesellschaft fur Chemische Produkte
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Filing date
Publication date
Application filed by Promochem Handelsgesellschaft fur Chemische Produkte GmbH, Promochem GmbH Handelsgesellschaft fur Chemische Produkte filed Critical Promochem Handelsgesellschaft fur Chemische Produkte GmbH
Publication of EP0715891A1 publication Critical patent/EP0715891A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
    • B01L3/5082—Test tubes per se
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/02—Adapting objects or devices to another
    • B01L2200/026—Fluid interfacing between devices or objects, e.g. connectors, inlet details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/14—Process control and prevention of errors
    • B01L2200/142—Preventing evaporation

Definitions

  • the invention relates in particular to the Analytical chemistry used certain standard solutions and suitable bottle according to the preamble of Claim 1.
  • EP-A-0 518 191 is a hermetic tight bottle known for storing reference liquids serves.
  • a channel is provided as an opening. The channel does not serve as a recondensation zone.
  • Standard solutions for analytical chemistry are in sealed bottles or ampoules.
  • the disadvantage is that the plastic Closures of the known glass bottles when used usually leak over long periods of time. You can also store the standard solutions bottles in the freezer due to the different expansion coefficients loosen easily from glass and plastic. Further the problem of contamination of the solutions arises through the seal of the closure.
  • the invention has for its object a lockable Bottle, especially for standard solutions, to create that is universally applicable and in solutions filled in before and also during removal protects against evaporation losses and contamination.
  • the bottle according to the invention is a capillary Channel in the upper part of the bottle body is provided, filled and emptied.
  • the capillary in Bottleneck acts as a recondensation zone and reduces evaporating solvent, even then, when the cap is removed from the bottle is. It also decreases due to the fine, elongated Narrowing in the bottle neck the danger of Contamination of the solution due to the material of the seal the cap. After removing the cap, you can the solution through the capillary channel with suitable Easily remove tools.
  • the capillary channel is advantageously in one provided substantially cylindrical piece that itself in the upper part of the bottle body, i.e. in the Area of the bottle neck, forming a circumferential Gap between the jacket of the cylindrical Piece and the wall of the tubular body is located.
  • the piece is expediently a one-piece component of the bottle body, so that between the wall of the tubular body on the one hand and the capillary containing piece on the other hand no leaks may occur.
  • the upper end of the tube piece is preferably formed Bottle body with external thread for screwing on the one containing a corresponding internal thread Provide sealing cap.
  • the contact pressure of the sealing insert is in the invention Bottle so big that the cap when storing the bottle in the freezer do not loosen or noticeably loosen the bottle cannot leak.
  • the bottle according to the invention essentially has one cylindrical body in which there is a closed Chamber for receiving the solution or liquid located.
  • the one related to the chamber capillary channel extends through the upper part of the cylindrical body, which is solid can be.
  • the capillary-shaped channel opens advantageously in a projection that is at the top of the Bottle body is provided.
  • the bottom of the bottle body is advantageously V-shaped. In the V-shaped recess remnants of the filled liquid collect, so that the bottle is using a chromatography suitable syringe or the like completely can be emptied.
  • the upper part of the bottle body be tapered or reduced in size.
  • Fig. 1 shows the closable bottle for standard solutions in a sectional view.
  • the bottle is there from a bottle body 1 and the bottle body sealing cap 16.
  • the bottle body 1 has a tubular one on it Bottom closed glass body 2 with an im substantially smooth outer wall 3.
  • the top half of the tubular glass body 2 takes one essentially cylindrical piece 4 on, the one-piece component of the tubular glass body 2.
  • the piece 4 has a circumferential web 5 at its lower end, molded onto the wall 6 of the tubular glass body 2 is.
  • the outer diameter of the cylindrical piece 4 is smaller than the inside diameter of the tubular glass body 1, so that in the area of the bottle neck 7 between the jacket 8 of the piece 4 and the wall 6 of the tubular glass body 2 there is an annular gap 9.
  • the piece 4 contains one extending in the longitudinal direction capillary channel 10 that connects to the interior 11 of the bottle body is connected.
  • the upper end 12 of the cylindrical piece 4 protrudes beyond the upper outer edge of the bottle body 1 also.
  • the bottom 13 of the bottle body 1 is V-shaped.
  • the V-shaped recess 14 can Collect liquid residue so that the bottle without having to tip them, using a pipette or a Chromatography syringe completely emptied from above can be.
  • the plastic cap 16 has a corresponding internal thread 17 and includes a seal insert 18 which is cylindrical Recess of the cap inserted is.
  • a seal insert 18 which is cylindrical Recess of the cap inserted is.

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Hematology (AREA)
  • Clinical Laboratory Science (AREA)
  • Analytical Chemistry (AREA)
  • Closures For Containers (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Abstract

A bottle, esp. for standard solns., consists of a body (1) and a cap (16) which can be used to seal it. The upper part has a capillary channel (10) which is in contact with the inside (11) of the bottle. The channel is used for filling or emptying the bottle. The cap pref. has a sealing insert (18), and the upper part of the bottle body near the external thread (15), has a reduced outer dia..

Description

Die Erfindung betrifft eine insbesondere für bei der analytischen Chemie verwendeten Standard-Lösungen bestimmte und geeignete Flasche nach dem Oberbegriff des Patentanspruchs 1.The invention relates in particular to the Analytical chemistry used certain standard solutions and suitable bottle according to the preamble of Claim 1.

Aus der Druckschrift EP-A-0 518 191 ist eine hermetisch dichte Flasche bekannt, die zur Aufbewahrung von Referenzflüssigkeiten dient. Ein Kanal ist als Öffnung vorgesehen. Der Kanal dient nicht als Rekondensationszone.From EP-A-0 518 191 is a hermetic tight bottle known for storing reference liquids serves. A channel is provided as an opening. The channel does not serve as a recondensation zone.

Standard-Lösungen für analytische Chemie werden, in verschlossenen Flaschen oder Ampullen aufbewahrt. Nachteilig ist, dass die aus Kunststoff bestehenden Verschlüsse der hierfür bekannten Glasflaschen bei Verwendung über längere Zeiträume meist undicht werden. Auch können sich beim Aufbewahren der die Standard-Lösungen enthaltenden Flaschen im Tiefkühler die Verschlüsse infolge der verschiedenen Dehnungskoeffizienten von Glas und Kunststoff leicht lockern. Ferner stellt sich das Problem einer Kontamination der Lösungen durch die Dichtung des Verschlusses.Standard solutions for analytical chemistry are in sealed bottles or ampoules. The disadvantage is that the plastic Closures of the known glass bottles when used usually leak over long periods of time. You can also store the standard solutions bottles in the freezer due to the different expansion coefficients loosen easily from glass and plastic. Further the problem of contamination of the solutions arises through the seal of the closure.

Auch abgeschmolzene Ampullen, in denen Standard-Lösungen aufbewahrt werden, können undicht sein. Damit besteht auch hierbei die Gefahr, dass die in Standard-Lösungen enthaltenen Lösungsmittel verdampfen. Dies führt wiederum bei der Analyse mittels Standard-Lösungen zu falschen Ergebnissen.Also sealed ampoules, in which standard solutions can be leaked. So that exists Again, there is a risk that in standard solutions evaporate the contained solvent. this leads to again when analyzing using standard solutions wrong results.

Schließlich können auch beim Öffnen dicht verschlossener Flaschen oder Ampullen in diesen enthaltene, bereits verdampfte Lösungsmittel entweichen, was ebenfalls falsche Analyse-Ergebnisse zur Folge hat.After all, it can also be more tightly closed when opening Bottles or ampoules contained in them, already evaporated solvents escape, which also results in incorrect analysis results.

Der Erfindung liegt die Aufgabe zugrunde, eine verschließbare Flasche, insbesondere für Standard-Lösungen, zu schaffen, die universell einsetzbar ist und in sie eingefüllte Lösungen vor und auch bei der Entnahme der Verdampfungsverlusten und Kontamination schützt.The invention has for its object a lockable Bottle, especially for standard solutions, to create that is universally applicable and in solutions filled in before and also during removal protects against evaporation losses and contamination.

Diese Aufgabe wird erfindungsgemäß mit einer Flasche gelöst, welche die Merkmale des Patentanspruchs 1 aufweist. Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.This object is achieved with a bottle solved, which has the features of claim 1. Advantageous embodiments of the invention are Subject of the subclaims.

Die erfindungsgemäße Flasche wird durch einen kapillarförmigen Kanal, der im oberen Teil des Flaschenkörpers vorgesehen ist, befüllt und entleert. Die Kapillare im Flaschenhals wirkt als Rekondensationszone und reduziert das Abdampfen von Lösungsmittel, selbst dann, wenn die Verschlusskappe von der Flasche abgenommen ist. Ferner verringert sich aufgrund der feinen, langgestreckten Verengung im Flaschenhals die Gefahr der Kontamination der Lösung durch das Material der Dichtung der Verschlusskappe. Nach Abnehmen der Verschlusskappe lässt sich die Lösung durch den kapillarförmigen Kanal mit geeigneten Hilfsmitteln leicht entnehmen.The bottle according to the invention is a capillary Channel in the upper part of the bottle body is provided, filled and emptied. The capillary in Bottleneck acts as a recondensation zone and reduces evaporating solvent, even then, when the cap is removed from the bottle is. It also decreases due to the fine, elongated Narrowing in the bottle neck the danger of Contamination of the solution due to the material of the seal the cap. After removing the cap, you can the solution through the capillary channel with suitable Easily remove tools.

Der kapillarförmige Kanal ist vorteilhafterweise in einem im wesentlichen zylindrischen Stück vorgesehen, das sich im oberen Teil des Flaschenkörpers, das heißt im Bereich des Flaschenhalses, unter Ausbildung eines umlaufenden Spaltes zwischen dem Mantel des zylindrischen Stücks und der Wandung des rohrförmigen Körpers befindet.The capillary channel is advantageously in one provided substantially cylindrical piece that itself in the upper part of the bottle body, i.e. in the Area of the bottle neck, forming a circumferential Gap between the jacket of the cylindrical Piece and the wall of the tubular body is located.

Das Stück ist zweckmäßigerweise einstückiger Bestandteil des Flaschenkörpers, so dass zwischen der Wandung des rohrförmigen Körpers einerseits und dem die Kapillare enthaltenden Stück andererseits keinerlei Undichtigkeiten auftreten können.The piece is expediently a one-piece component of the bottle body, so that between the wall of the tubular body on the one hand and the capillary containing piece on the other hand no leaks may occur.

Aufgrund des umlaufenden Spaltes zwischen dem rohrförmigen Körper und dem zylindrischen Stück wird vermieden, dass bei Entnahme der Lösung aus der Flasche eventuell überlaufende Flüssigkeit in Kontakt mit dem äußeren Rand oder der Außenwand des Flaschenkörpers kommen kann.Due to the circumferential gap between the tubular Body and the cylindrical piece is avoided that when the solution is removed from the bottle overflowing liquid in contact with the outside Edge or the outer wall of the bottle body can.

Vorzugsweise ist das obere Ende des als Rohrstück ausgebildeten Flaschenkörpers mit Außengewinde zum Aufschrauben der ein entsprechendes Innengewinde enthaltenden Verschlusskappe versehen.The upper end of the tube piece is preferably formed Bottle body with external thread for screwing on the one containing a corresponding internal thread Provide sealing cap.

Um den Anpressdruck der in die Verschlusskappe eingesetzten Dichtung zu erhöhen, kann das obere Ende des zylindrischen Stückes über den oberen Rand des rohrförmigen Flaschenkörpers hinausragen. Beim Aufschrauben der Verschlusskappe drückt sich dann das obere Ende des zylindrischen Stücks in die in die Verschlusskappe eingesetzte Dichtung, so dass die Öffnung des die Kapillare enthaltenden Stücks dicht verschlossen wird.To the contact pressure of the inserted in the cap Gasket can increase the top of the cylindrical piece across the top of the tubular Protrude bottle body. At the Then screw the cap on top end of the cylindrical piece into the in the cap inserted seal so that the opening of the piece containing the capillary tightly closed becomes.

Der Anpressdruck des Dichtungseinsatzes ist bei der erfindungsgemäßen Flasche so groß, dass sich die Verschlusskappe beim Aufbewahren der Flasche im Tiefkühler nicht lösen oder spürbar lockern und die Flasche somit nicht undicht werden kann.The contact pressure of the sealing insert is in the invention Bottle so big that the cap when storing the bottle in the freezer do not loosen or noticeably loosen the bottle cannot leak.

Bei einer praktischen Ausführungsform der Erfindung ließ die Flasche bei abgeschraubter Verschlusskappe in einem Zeitraum von 5 bis 10 Minuten nur wenige µg von beispielsweise Hexan verdampfen und entweichen. Bei geschlossener Flasche lag der Verlust bei nur 2 bis 5 mg in einem Zeitraum von 6 Monaten. Die Füllmenge der in die Flasche eingefüllten Flüssigkeit betrug dabei 600 bis 1000 mg.In a practical embodiment of the invention left the bottle in when the cap was unscrewed a period of 5 to 10 minutes only a few µg of for example, evaporate and escape hexane. When closed Bottle loss was only 2 to 5 mg in a period of 6 months. The filling quantity of the in the bottle of liquid was 600 up to 1000 mg.

Die erfindungsgemäße Flasche hat einen im wesentlichen zylindrischen Körper, in dem sich eine abgeschlossene Kammer zur Aufnahme der Lösung beziehungsweise Flüssigkeit befindet. Der mit der Kammer in Verbindung stehende kapillarförmige Kanal erstreckt sich durch den oberen Teil des zylindrischen Körpers, der massiv ausgebildet sein kann. Um einen dichten Verschluss zu schaffen, mündet der kapillarförmige Kanal vorteilhafterweise in einem Vorsprung, der an der Oberseite des Flaschenkörpers vorgesehen ist. Beim Aufschrauben der Verschlusskappe drückt sich der Vorsprung in den Dichtungseinsatz der Verschlusskappe, wodurch sich der Anpressdruck und damit die Dichtungswirkung erhöht.The bottle according to the invention essentially has one cylindrical body in which there is a closed Chamber for receiving the solution or liquid located. The one related to the chamber capillary channel extends through the upper part of the cylindrical body, which is solid can be. To make a tight seal create, the capillary-shaped channel opens advantageously in a projection that is at the top of the Bottle body is provided. When screwing on the The cap presses the projection into the sealing insert the cap, which makes the Contact pressure and thus the sealing effect is increased.

Der Boden des Flaschenkörpers ist vorteilhafterweise V-förmig ausgebildet. In der V-förmigen Vertiefung sammeln sich Reste der eingefüllten Flüssigkeit, so dass sich die Flasche mittels einer für Chromatographie geeigneten Spritze oder dergleichen vollständig entleeren lässt.The bottom of the bottle body is advantageously V-shaped. In the V-shaped recess remnants of the filled liquid collect, so that the bottle is using a chromatography suitable syringe or the like completely can be emptied.

Damit die Verschlusskappe nicht radial über den Flaschenkörper übersteht, kann der obere Teil des Flaschenkörpers verjüngt oder abgesetzt verkleinert sein.So that the cap does not radially over the bottle body survives, the upper part of the bottle body be tapered or reduced in size.

Der Flaschenkörper ist vorzugsweise ein Glaskörper. Er kann aber auch gegen Lösungen wie Standard Lösungen aus resistentem Kunststoff gefertigt sein. Im folgenden werden unter Bezugnahme auf die Zeichnung drei Ausführungsbeispiele der erfindungsgemäßen verschließbaren Flasche erläutert, und zwar zeigt

Fig. 1
einen ersten Längsschnitt eines Ausführungsbeispiels der Flasche,
Fig. 2
einen Querschnitt der Flasche aus Fig. 1 entlang der Linie II-II von Fig. 1.
The bottle body is preferably a glass body. However, it can also be made of resistant plastic against solutions such as standard solutions. In the following three embodiments of the closable bottle according to the invention are explained with reference to the drawing, namely shows
Fig. 1
2 shows a first longitudinal section of an embodiment of the bottle,
Fig. 2
2 shows a cross section of the bottle from FIG. 1 along the line II-II from FIG. 1.

Fig. 1 zeigt die verschließbare Flasche für Standard-Lösungen in geschnittener Darstellung. Die Flasche besteht aus einem Flaschenkörper 1 und einer den Flaschenkörper dicht verschließenden Verschlusskappe 16.Fig. 1 shows the closable bottle for standard solutions in a sectional view. The bottle is there from a bottle body 1 and the bottle body sealing cap 16.

Der Flaschenkörper 1 weist einen rohrförmigen, an seiner Unterseite verschlossenen Glaskörper 2 mit einer im wesentlichen glatten Außenwand 3 auf. Die obere Hälfte des rohrförmigen Glaskörpers 2 nimmt ein im wesentlichen zylindrisches Stück 4 auf, das einstückiger Bestandteil des rohrförmigen Glaskörpers 2 ist. Das Stück 4 hat an seinem unteren Ende einen umlaufenden Steg 5, der an die Wandung 6 des rohrförmigen Glaskörpers 2 angeformt ist.The bottle body 1 has a tubular one on it Bottom closed glass body 2 with an im substantially smooth outer wall 3. The top half of the tubular glass body 2 takes one essentially cylindrical piece 4 on, the one-piece component of the tubular glass body 2. The piece 4 has a circumferential web 5 at its lower end, molded onto the wall 6 of the tubular glass body 2 is.

Der Außendurchmesser des zylindrischen Stücks 4 ist geringer als der Innendurchmesser des rohrförmigen Glaskörpers 1, so dass sich im Bereich des Flaschenhalses 7 zwischen dem Mantel 8 des Stücks 4 und der Wandung 6 des rohrförmigen Glaskörpers 2 ein Ringspalt 9 befindet.The outer diameter of the cylindrical piece 4 is smaller than the inside diameter of the tubular glass body 1, so that in the area of the bottle neck 7 between the jacket 8 of the piece 4 and the wall 6 of the tubular glass body 2 there is an annular gap 9.

Das Stück 4 enthält einen sich in Längsrichtung erstreckenden kapillarförmigen Kanal 10, der mit dem Innenraum 11 des Flaschenkörpers in Verbindung steht. Das obere Ende 12 des zylindrischen Stücks 4 ragt über den oberen äußeren Rand des Flaschenkörpers 1 hinaus.The piece 4 contains one extending in the longitudinal direction capillary channel 10 that connects to the interior 11 of the bottle body is connected. The upper end 12 of the cylindrical piece 4 protrudes beyond the upper outer edge of the bottle body 1 also.

Der Boden 13 des Flaschenkörpers 1 ist V-förmig ausgebildet. In der V-förmigen Vertiefung 14 können sich Flüssigkeitsreste sammeln, so dass die Flasche, ohne sie kippen zu müssen, mittels einer Pipette oder eine Chromatographie-Spritze von oben vollständig entleert werden kann. The bottom 13 of the bottle body 1 is V-shaped. In the V-shaped recess 14 can Collect liquid residue so that the bottle without having to tip them, using a pipette or a Chromatography syringe completely emptied from above can be.

An seinem oberen Ende ist der Flaschenkörper 1 mit Außengewinde 15 zum Aufschrauben der Verschlusskappe 16 versehen. Die aus Kunststoff bestehende Verschlusskappe 16 weist ein entsprechendes Innengewinde 17 auf und enthält einen Dichtungseinsatz 18, der in eine zylindrische Ausnehmung der Verschlusskappe passend eingefügt ist. Beim Aufschrauben der Verschlusskappe 16 drückt sich das den Flaschenrand ein kurzes Stück überragende obere Ende 12 des zylindrischen Stücks 4 in den Dichtungseinsatz 18 der Verschlusskappe 16, so dass die trichterförmig erweiterte Öffnung 19 des kapillarförmigen Kanals 10 dicht verschlossen wird. Die Verschlusskappe 16 stützt sich ferner am oberen Rand des Flaschenkörpers 1 ab.At its upper end is the bottle body 1 with an external thread 15 for screwing on the closure cap 16 Mistake. The plastic cap 16 has a corresponding internal thread 17 and includes a seal insert 18 which is cylindrical Recess of the cap inserted is. When screwing on the cap 16 pushes the edge of the bottle a short distance protruding upper end 12 of the cylindrical piece 4 in the sealing insert 18 of the cap 16, so that the funnel-shaped opening 19 of the capillary channel 10 is sealed. The Cap 16 is also supported on the upper edge of the bottle body 1.

Aufgrund der durch den kapillarförmigen Kanal 10 gebildeten Verengung im Flaschenhals 7 ist der Abdampfverlust aus dem Innenraum 11 des Flaschenkörpers 1 minimal. Messungen haben ergeben, dass selbst bei abgeschraubter Verschlusskappe 16 in einem Zeitraum von 5 bis 10 Minuten nur wenige µg verdampftes Hexan entweichen. Im geschlossenen Zustand der Flasche liegt der Abdampf-Verlust bei nur 2 bis 5 mg in einem Zeitraum von 6 Monaten, wenn die gesamte eingefüllte Flüssigkeitsmenge 600 bis 100 mg beträgt.Due to the formed by the capillary channel 10 Constriction in the bottle neck 7 is the loss of evaporation minimal from the interior 11 of the bottle body 1. Measurements have shown that even when unscrewed Cap 16 in a period of 5 evaporate only a few µg of evaporated hexane for up to 10 minutes. The bottle is in the closed state Evaporation loss at only 2 to 5 mg in a period of 6 months when the total amount of liquid poured Is 600 to 100 mg.

Claims (12)

  1. Bottle, especially for standard solutions, comprising a bottle body (1, 2) and a closing cap (16) hermetically closing said bottle body,
    characterized in that
    the upper half portion of said bottle body (1, 2) is provided with a narrow longitudinal capillary channel (10) connected with the inner space (11) of the bottle body for filling and/or emptying said bottle and forming a recondensation zone for the filled-in liquid, and that a substantially cylindrical portion (4) is provided therein, extending in the upper half portion of said bottle body (1) by forming a circumferential gap (9) between the jacket (8) of the cylindrical portion (4) and the wall (6) of the bottle body (2), said capillary channel (10) being formed in said cylindrical portion (4).
  2. Bottle as defined by claim 1,
    characterized in that
    said bottle body has a tubular shape.
  3. Bottle as defined by either of claims 1 or 2,
    characterized in that
    said cylindrical portion (4) forms an integral component of the bottle body (1).
  4. Bottle as defined by either of claims 1, 2 or 3,
    characterized in that
    the upper end (12) of said cylindrical portion (4) extends beyond the upper external edge of the tubular body (2).
  5. Bottle as defined by claim 1,
    characterized in that
    the bottle body (1) essentially consists of a cylindrical body (2), provided with a chamber (11) for receiving a liquid.
  6. Bottle as defined by claim 5,
    characterized in that
    said capillary channel (10) ends in a projection provided at the upper end of the cylindrical body (2).
  7. Bottle as defined by either of claims 1 to 6,
    characterized in that
    the upper end of the bottle body (1) is provided with an external thread (15) for screwing on said closing cap (16).
  8. Bottle as defined by either of claims 1 to 7,
    characterized in that
    the closing cap (16) is provided with a sealing insert (18).
  9. Bottle as defined by either of claims 1 to 8,
    characterized in that
    the upper portion of the body bottle (1) is provided with a reduced external diameter in the area of the external thread (15).
  10. Bottle as defined by either of claims 1 to 9,
    characterized in that
    the bottom (13) of the bottle body (1) is provided with a V-shaped recess (14) forming the lower end of the chamber (11) provided inside the bottle body.
  11. Bottle as defined by either of claims 1 to 10,
    characterized in that
    said bottle body (1) and its cylindrical portion (4) are made in one piece and consist of a glass material.
  12. Bottle as defined by either of claims 1 to 11,
    characterized in that
    the capillary channel (10) has a minimum length equal to or greater than the height of the chamber (11) provided inside the bottle body (11) and has a maximum diameter.
EP95117115A 1994-12-06 1995-10-31 Bottle, especially for standard solutions Expired - Lifetime EP0715891B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4443340A DE4443340A1 (en) 1994-12-06 1994-12-06 Bottle, especially for standard solutions
DE4443340 1994-12-06

Publications (2)

Publication Number Publication Date
EP0715891A1 EP0715891A1 (en) 1996-06-12
EP0715891B1 true EP0715891B1 (en) 2001-10-17

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EP95117115A Expired - Lifetime EP0715891B1 (en) 1994-12-06 1995-10-31 Bottle, especially for standard solutions

Country Status (8)

Country Link
US (1) US5720925A (en)
EP (1) EP0715891B1 (en)
AT (1) ATE206957T1 (en)
CA (1) CA2164449A1 (en)
CZ (1) CZ291042B6 (en)
DE (2) DE4443340A1 (en)
NO (1) NO954926L (en)
PL (1) PL311522A1 (en)

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NO954926D0 (en) 1995-12-05
CA2164449A1 (en) 1996-06-07
ATE206957T1 (en) 2001-11-15
US5720925A (en) 1998-02-24
EP0715891A1 (en) 1996-06-12
CZ291042B6 (en) 2002-12-11
DE59509715D1 (en) 2001-11-22
CZ315295A3 (en) 1996-06-12
PL311522A1 (en) 1996-06-10
DE4443340A1 (en) 1996-06-13
NO954926L (en) 1996-06-07

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