EP0035779B1 - Removable base for a cylindrical recipient - Google Patents

Removable base for a cylindrical recipient Download PDF

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Publication number
EP0035779B1
EP0035779B1 EP81101661A EP81101661A EP0035779B1 EP 0035779 B1 EP0035779 B1 EP 0035779B1 EP 81101661 A EP81101661 A EP 81101661A EP 81101661 A EP81101661 A EP 81101661A EP 0035779 B1 EP0035779 B1 EP 0035779B1
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EP
European Patent Office
Prior art keywords
base
socket
female spring
cylindrical
plug
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
Application number
EP81101661A
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German (de)
French (fr)
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EP0035779A1 (en
Inventor
Manfred Rieger
Adolf Horst Geppert
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.)
Herka Hermann Kahl & Co
WALTER GRAF U CO GmbH AND Co
Original Assignee
Herka Hermann Kahl & Co
WALTER GRAF U CO GmbH AND Co
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Publication date
Application filed by Herka Hermann Kahl & Co, WALTER GRAF U CO GmbH AND Co filed Critical Herka Hermann Kahl & Co
Publication of EP0035779A1 publication Critical patent/EP0035779A1/en
Application granted granted Critical
Publication of EP0035779B1 publication Critical patent/EP0035779B1/en
Expired legal-status Critical Current

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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
    • B01L9/00—Supporting devices; Holding devices
    • B01L9/06—Test-tube stands; Test-tube holders

Definitions

  • the invention relates to a socket for cylindrical containers of the type mentioned in the preamble of claim 1.
  • Plug-in sockets of this type are known, for example, from US-A-2918188 and US-A-3 028 702. These known plug-in bases serve to improve the stability of the cylindrical or at least essentially cylindrical containers inserted or plugged into them.
  • the plug-in base known from US-A-2 918 188 has radially tensioning and essentially axially extending spring elements which enclose and hold the inserted cylindrical container. If the springs become fatigued or permanently deformed, a reliable mounting of the cylindrical container in the plug-in base can no longer be guaranteed. The more often the cylindrical container is removed from the plug-in base and plugged in again, the faster fatigue will occur and the greater the risk of permanent deformation of the spring elements due to the plug-in processes.
  • This base is therefore unsuitable in particular for holding laboratory devices, for example measuring and mixing cylinders.
  • the same also applies to the plug-in base in the form of a holder for drinking glasses known from US-A-3,028,702.
  • the drinking glass inserted into the base is primarily secured by the fact that the glass is inserted into the base up to half its height. Under these height conditions, the axial spring elements are able to hold the inserted cylindrical container, namely the drinking glass, sufficiently.
  • Such an adequate mounting is no longer guaranteed, however, if the cylindrical container can and should only be inserted into the plug-in base in a length that corresponds to a fraction of the total height of the cylindrical container.
  • the spring elements In order to hold a container sufficiently under these circumstances, the spring elements must apply a considerable radial preload. This not only exposes the inserted cylindrical container to considerable radial forces, but also increases the risk of the springs becoming fatigued.
  • a socket of the type known from US-A-3 028 702 is therefore not suitable for holding tall
  • a bottle coaster or drip catcher in the manner of a plug-in base is known.
  • this plug-in base does not serve to hold the cylindrical container, namely to improve the stability of the bottle inserted into the plug-in base, but merely fulfills the task of holding itself at the bottom of the bottle.
  • the plug-in base known from this publication is constructed analogously to the plug-in base known from US-A-3 028 702 and has essentially the same disadvantages as this.
  • the invention has for its object to provide a plug-in base for cylindrical containers to improve the stability of these containers, which has a long service life even with very frequent insertion and removal of the cylindrical container, which then also secure the cylindrical containers Stability gives, if they are only inserted into the socket with a fraction of their total height and which nevertheless allows the cylindrical container to be inserted with relatively low insertion forces, thus only radially loads the inserted cylindrical container to a relatively small extent, even if the inserted cylindrical one Container does not exactly have a predetermined nominal diameter, but in individual cases has a diameter that lies within a quite large tolerance range for the nominal diameter or nominal diameter.
  • the basic idea of the invention thus lies in a combination of essentially radially projecting and axially extending guide ribs or guide plates with axially extending and radially tensioning clamping springs. Thanks to the synergistic effect of both mounting and guiding elements, a permanent, firm stand can be guaranteed even for high cylindrical containers despite low insertion forces.
  • the spring bars arranged in the interior of the plug-in base ensure that the lower part of the cylindrical container is held securely against axial displacement, the spring bars absorbing or compensating for small fluctuations in the outer diameter of the cylinder vessel.
  • the cylindrical containers inserted into the plug-in base can be pulled out of the plug-in base without difficulty, without the liquid which may be present in the container being spilled.
  • the cylindrical containers to be inserted into the plug-in base can very often be replaced without the stable holder and the secure, precisely fitting guidance of the container in the plug-in base being impaired.
  • the plug-in base consists of a base plate which is integral or detachable with a cylindrical top open Connection is connected. At least two female connectors are arranged in the interior of the nozzle parallel to the inner wall of the nozzle, which hold the vessel to be inserted into the base steadily and serve to insert the vessel into the base.
  • the inner wall of the socket is preferably equipped with 2 or 5 female connectors. However, it is also possible to arrange 4 and more than 5 female connectors inside the socket.
  • the female connectors are preferably L-shaped and are preferably attached in one piece with the short leg at the upper end of the connecting piece, while the lower end of the female connector is resiliently movable inwards and outwards.
  • the web that connects the upper edge of the female connector with the upper edge of the socket is designed to be firm and dimensionally stable.
  • a thin stiffening web is arranged between the upper part of the female connector and the inner wall of the socket, which supports the pretensioning of the lower part of the female connector. This stiffening web also serves to maintain the shape of the upper part of the female connector. Another advantage of this stiffening web is that it prevents the spring bar from breaking off when the cylindrical container is inserted if the spring bar is made relatively thin.
  • the female connector preferably extends over the entire height of the socket, the lower part of the female connector preferably projecting into an opening in the base plate.
  • the lower part of the female connector is thus movable in the opening of the base plate inwards or outwards.
  • the opening in the base plate extends from the inner wall of the socket to the inner part of the base plate.
  • the openings in the base plate also serve to clean the plug-in base when liquid flows out over the edge of the cylindrical container used and thus reaches the inside of the socket.
  • the plug-in base according to the invention can thus be easily cleaned by rinsing or rinsing.
  • the surface of the female connector directed into the interior of the base is preferably equipped with a bulge that corresponds to the curvature of the surface of the cylindrical container inserted into the base. This guarantees particularly good guidance and stable mounting of the cylindrical container.
  • the dimensions of the female connector depend on the size of the respective socket; d. that is, the larger the cylindrical container to be used, the wider the spring slats are designed to guarantee a secure, stable mounting.
  • the respective female connector With a plug-in base for a glass cylinder with a volume of 100 ml, the respective female connector is about 4 to 8, in particular 6 mm wide and extends over the entire height of the socket.
  • the female connectors are preferably arranged on the inner wall of the socket so that the lower part is directed slightly inwards relative to the upper part of the female connector.
  • the edge of the female connector facing the inside of the socket is slightly shifted inwards with respect to the vertical, i. that is, the lower part of the female connector is further inward than the upper.
  • the female connector is preferably under an inward bias. This preload is ensured by the connecting bridge between the female connector and the upper edge of the connector. So that the connecting web does not relax too early due to the constant or repeated replacement of the cylindrical container, z. B. between the inner wall of the upper edge of the socket and the female connector, a stiffening web that widens wedge-shaped, arranged.
  • the wedge-shaped stiffening web is preferably arranged at the upper end of the connecting piece for manufacturing reasons. In addition, the greatest flexibility of the female connector is achieved by this arrangement.
  • the cone-shaped inward bias of the female connector primarily serves to hold cylindrical containers steady, in which the diameter is at the lower tolerance limit, or which have dimensional inaccuracies in the circumferential line.
  • the socket of the plug-in base is equipped with a continuous slot.
  • This slot has z. B. the advantage that you can observe the part of the cylindrical container from the outside, which is inserted into the socket of the socket. This is e.g. B. then advantageous if the container used is a measuring cylinder in which the lower graduation is possibly covered by the nozzle.
  • the connection piece can also be perforated with openings of any design, arranged one above the other, which enable observation of the lower part of the cylindrical container.
  • the plug-in base is equipped with additional guide ribs in addition to the female connectors, which are also arranged on the inner wall of the socket.
  • the number of guide ribs is arbitrary.
  • the nozzle is preferably equipped with at least 2 or 3 guide ribs. More than 3 guide ribs can also be provided if this proves to be particularly advantageous in special cases.
  • the guide ribs are narrow but torsionally rigid. They preferably extend over the entire length of the nozzle in a vertical arrangement, the distance from the inner wall being at most as large as the distance from the top edge of the Female connector from the inner wall of the socket.
  • the guide ribs primarily take over the guidance of the cylindrical containers and in particular the containers whose diameter lies in the upper tolerance range.
  • the guide ribs ensure that the containers, which are resiliently held by the spring strips at some points on the circumference, are additionally guided and held so that the containers do not wobble.
  • the additional guide ribs are particularly advantageous if only a few female connectors are arranged on the inner wall of the connecting piece.
  • a particularly advantageous and stable mounting of the cylindrical container in the socket is achieved in a socket with 3 female connectors and 3 guide ribs arranged in between.
  • the guide ribs can also be arranged as circular sections on the inner wall of the connecting piece between the spring strips, a circular guide rib already being sufficient.
  • the vertical arrangement of the guide ribs is preferred over the circular arrangement.
  • the female connector is preferably integrally connected to the upper edge of the socket.
  • the female connector can also consist of two ribs arranged next to one another, which are connected in a dimensionally stable manner to the upper edge of the connecting piece via a common web.
  • the surface of the female connector facing the outer wall of the cylindrical container can be smooth, corrugated or equipped with knobs. It is only important that a slip-free mounting of the lower part of the cylindrical container is ensured via the female connectors and, if necessary, the additionally arranged guide ribs.
  • the base plate of the plug-in base according to the invention is circular, oval or angular and is connected in one piece or detachably to the cylindrical, open-ended socket. For certain applications, it is advantageous to clip, insert or screw the connector into the base plate. In this way, plug-in bases with different heights can be produced in a particularly simple manner and particularly cheaply.
  • the height of the nozzle depends on the size or the height of the cylindrical container inserted into the plug-in base.
  • the height of the base is approximately 10 to 40 mm, in particular 10 to 25 mm.
  • the height of the socket of the plug-in base is preferably approximately 25 mm.
  • the plug-in bases according to the invention are particularly suitable for holding cylindrical containers, in particular laboratory glasses with a volume of 5 to 2000 ml, a separate plug-in base being generally provided for each volume unit.
  • a separate plug-in base being generally provided for each volume unit.
  • an insertion base is used for two cylindrical containers with different volume units.
  • the cylindrical vessel to be inserted into the base is equipped with the same outside diameter, but is of different heights.
  • the plug-in bases according to the invention are particularly suitable for cylindrical laboratory glasses with 5, 10, 25, 50, 100, 250, 500, 1000 and 2000 ml.
  • the plug-in bases according to the invention can be made from any materials, as long as the materials have a corresponding dimensional stability and the female connectors are resiliently movable.
  • the preferred material is plastic, e.g. B. polypropylene, polyethylene, polystyrene, polyamide and copolymers using polypropylene, polyethylene, polystyrene, polyamide.
  • the plug-in base has a base plate 1 which is connected to a cylindrical connecting piece 2.
  • the base plate 1 can be designed in a wide variety of forms, for. B. hexagonal, round, oval etc.
  • the base plate 1 of the socket according to Figure 1 is equipped with support knobs 3, which guarantee a firm and secure support of the socket, even if the base is not completely flat.
  • the cylindrical connection piece 2 is open at the top and has a smaller diameter than the base plate 1.
  • spring strips 4 are arranged, which are connected to the upper edge of the cylindrical connection piece 2 via connecting webs 5.
  • the connecting web 5 is formed so firmly that the female connector 4 is directed slightly inwards with a prestress, so that the inner edge 11 of the female connector 4 tapers conically downward inwards.
  • a wedge-shaped stiffening web 6 is arranged on the upper edge, which supports the prestressing of the female connector 4.
  • the base plate 1 is equipped within the cylindrical socket 2 with openings 7, into which the ends of the female connectors 4 protrude in the event that the female connectors 4 extend over the entire length of the inner wall of the Extend nozzle 2, that is, from the upper edge to the base plate 1. It is also possible to make the female connectors 4 somewhat shorter, the end of the female connector 4 not being in contact with the base plate 1.
  • the recesses or openings 7 in the base plate 1 extend from the inner wall of the cylindrical socket 2 so far inwards that the spring bar 4 extending into the recess or opening 7 can move resiliently inwards and outwards in this recess.
  • the inner wall of the cylindrical connecting piece 2 has guide ribs 8, which are preferably arranged between the spring strips 4.
  • the guide ribs 8 are arranged parallel and perpendicular to the inner wall.
  • the inward edge of the guide rib 8 is not conical inward.
  • the cylindrical socket 2 as shown in FIG. 3, can be equipped with a vertical, continuous opening 9. If the stability of the material permits, the cylindrical connection piece 2 can also be equipped with several such openings 9.
  • Figure 4 shows the perspective view of the plug-in base with three guide ribs 8 and three female connectors 5.
  • a measuring cylinder 10 is inserted into the plug-in base, which in the present case is so dimensionally designed that the outer surface of the measuring cylinder 10 both the inner edge of the guide ribs and the Inner edge 11 of the female connectors 4 touches.
  • Figure 4 clearly shows that the female connector 4 is arranged in this case parallel to the inner wall of the cylindrical connector 2, since the outer surface of the cylindrical container presses the lower part of the spring connector 4 under tension to the outside.
  • the plug-in base shown in FIG. 4 with three female connectors 4 and three guide ribs 8 is only a preferred embodiment.
  • the inner wall of the cylindrical connector 2 can also be equipped with more than two or three female connectors 4 and / or guide ribs 8.
  • the inner edge 11 of the female connector 4 is preferably curved so that the cylindrical containers are better guided and held with a larger contact surface.

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  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Closures For Containers (AREA)

Description

Die Erfindung betrifft einen Einstecksockel für zylindrische Behälter der im Oberbegriff des Patentanspruchs 1 genannten Art.The invention relates to a socket for cylindrical containers of the type mentioned in the preamble of claim 1.

Einstecksockel dieser Art sind beispielsweise aus den Druckschriften US-A-2918188 und US-A-3 028 702 bekannt. Diese bekannten Einstecksockel dienen der Verbesserung der Standfestigkeit der in sie eingesteckten bzw. einsteckbaren zylindrischen oder zumindest im wesentlichen zylindrischen Behälter. Der aus der Druckschrift US-A-2 918 188 bekannte Einstecksockel weist radial spannende und im wesentlichen axial verlaufende Federelemente auf, die den eingesteckten zylindrischen Behälter umfassen und halten. Bei Ermüdung der Federn oder bleibender Verformung ist eine zuverlässige Halterung des zylindrischen Behälters im Einstecksockel nicht mehr gewährleistet. Je häufiger der zylindrische Behälter vom Einstecksockel abgenommen und wieder eingesteckt wird, desto rascher wird die Ermüdung eintreten und desto größer wird die Gefahr einer bleibenden Verformung der Federelemente durch die Einsteckvorgänge sein. Insbesondere zum Halten von Laboratoriumsgeräten, beispielsweise Meß-und Mischzylindern, ist dieser Sockel daher ungeeignet. Das gleiche gilt auch für den aus der Druckschrift US-A-3 028 702 bekannten Einstecksockel in Form eines Halters für Trinkgläser. Das in den Sockel eingesteckte Trinkglas erhält primär dadurch seinen gesicherten Stand, daß das Glas bis gut zur Hälfte seiner Höhe in den Sockel eingesteckt wird. Unter diesen Höhenverhältnissen vermögen die axialen Federelemente den eingesteckten zylindrischen Behälter, nämlich das Trinkglas, durchaus ausreichend zu halten. Eine solche ausreichende Halterung ist jedoch nicht mehr gewährleistet, wenn der zylindrische Behälter nur in einer Länge in den Einstecksockel eingesteckt werden kann und soll, die einem Bruchteil der Gesamthöhe des zylindrischen Behälters entspricht. Um einen Behälter unter diesen Umständen noch ausreichend zu haltern, müssen die Federelemente eine beachtliche radiale Vorspannung aufbringen. Dadurch wird aber nicht nur der eingesteckte zylindrische Behälter erheblichen radialen Kräften ausgesetzt, sondern auch die Gefahr einer Ermüdung der Federn erhöht. Ein Einstecksockel der aus der Druckschrift US-A-3 028 702 bekannten Art ist daher zum Halten hoher zylindrischer Behälter, insbesondere zum Halten zylindrischer Laboratoriumsgeräte, nicht geeignet.Plug-in sockets of this type are known, for example, from US-A-2918188 and US-A-3 028 702. These known plug-in bases serve to improve the stability of the cylindrical or at least essentially cylindrical containers inserted or plugged into them. The plug-in base known from US-A-2 918 188 has radially tensioning and essentially axially extending spring elements which enclose and hold the inserted cylindrical container. If the springs become fatigued or permanently deformed, a reliable mounting of the cylindrical container in the plug-in base can no longer be guaranteed. The more often the cylindrical container is removed from the plug-in base and plugged in again, the faster fatigue will occur and the greater the risk of permanent deformation of the spring elements due to the plug-in processes. This base is therefore unsuitable in particular for holding laboratory devices, for example measuring and mixing cylinders. The same also applies to the plug-in base in the form of a holder for drinking glasses known from US-A-3,028,702. The drinking glass inserted into the base is primarily secured by the fact that the glass is inserted into the base up to half its height. Under these height conditions, the axial spring elements are able to hold the inserted cylindrical container, namely the drinking glass, sufficiently. Such an adequate mounting is no longer guaranteed, however, if the cylindrical container can and should only be inserted into the plug-in base in a length that corresponds to a fraction of the total height of the cylindrical container. In order to hold a container sufficiently under these circumstances, the spring elements must apply a considerable radial preload. This not only exposes the inserted cylindrical container to considerable radial forces, but also increases the risk of the springs becoming fatigued. A socket of the type known from US-A-3 028 702 is therefore not suitable for holding tall cylindrical containers, in particular for holding cylindrical laboratory devices.

Schließlich ist aus der Druckschrift FR-A-908 049 ein Flaschenuntersetzer oder Tropfenfänger nach Art eines Einstecksockels bekannt. Dieser Einstecksockel dient jedoch nicht dem Haltern des zylindrischen Behälters, nämlich der Verbesserung der Standfähigkeit der in den Einstecksockel eingesteckten Flasche, sondern erfüllt lediglich die Aufgabe, sich selbst am Boden der Flasche zu haltern. Im übrigen ist der aus dieser Druckschrift bekannte Einstecksockel analog zu dem aus der US-A-3 028 702 bekannten Einstecksockel aufgebaut und weist im wesentlichen die gleichen Nachteile wie dieser auf.Finally, from the document FR-A-908 049, a bottle coaster or drip catcher in the manner of a plug-in base is known. However, this plug-in base does not serve to hold the cylindrical container, namely to improve the stability of the bottle inserted into the plug-in base, but merely fulfills the task of holding itself at the bottom of the bottle. Otherwise, the plug-in base known from this publication is constructed analogously to the plug-in base known from US-A-3 028 702 and has essentially the same disadvantages as this.

Angesichts dieses Standes der Technik liegt der Erfindung die Aufgabe zugrunde, einen Einstecksockel für zylindrische Behälter zur Verbesserung der Standfestigkeit dieser Behälter zu schaffen, der auch bei sehr häufigem Einstecken und Herausziehen des zylindrischen Behälters eine lange Lebensdauer aufweist, der den zylindrischen Behältern auch dann eine sichere Standfestigkeit verleiht, wenn diese nur mit einem Bruchteil ihrer Gesamthöhe in den Einstecksockel eingesteckt sind und der dennoch ein Einstecken des zylindrischen Behälters mit relativ geringen Einschubkräften ermöglicht, den eingesteckten zylindrischen Behälter also nur relativ geringfügig radial belastet, und zwar auch dann, wenn der eingesteckte zylindrische Behälter nicht exakt einen vorgegebenen Solldurchmesser aufweist, sondern im Einzelfall einen Durchmesser aufweist, der innerhalb eines durchaus größeren Toleranzbereiches zum Solldurchmesser oder Nenndurchmesser liegt.In view of this prior art, the invention has for its object to provide a plug-in base for cylindrical containers to improve the stability of these containers, which has a long service life even with very frequent insertion and removal of the cylindrical container, which then also secure the cylindrical containers Stability gives, if they are only inserted into the socket with a fraction of their total height and which nevertheless allows the cylindrical container to be inserted with relatively low insertion forces, thus only radially loads the inserted cylindrical container to a relatively small extent, even if the inserted cylindrical one Container does not exactly have a predetermined nominal diameter, but in individual cases has a diameter that lies within a quite large tolerance range for the nominal diameter or nominal diameter.

Zur Lösung dieser Aufgabe wird ein Einstecksockel der im Oberbegriff des Patentanspruchs 1 genannten Art geschaffen, der erfindungsgemäß die im kennzeichnenden Teil des Patentanspruchs 1 genannten Merkmale aufweist.To achieve this object, a plug-in base of the type mentioned in the preamble of patent claim 1 is created, which according to the invention has the features mentioned in the characterizing part of patent claim 1.

Der Grundgedanke der Erfindung liegt also in einer Kombination im wesentlichen radial vorstehender und axial verlaufender Führungsrippen oder Führungslamellen mit axial verlaufenden und radial spannenden Klemmfedern. Durch die synergistische Wirkung beider Halterungs- bzw. Führungselemente kann ein dauerhaft fester Stand auch hoher zylindrischer Behälter trotz geringer Einschubkräfte gewährleistet werden. Durch die im Inneren des Einstecksockels angeordneten Federleisten ist eine gegen axiale Verschiebung gesicherte Aufnahme des unteren Teils des zylindrischen Behälters gewährleistet, wobei die Federleisten kleine Schwankungen im Außendurchmesser des Zylindergefäßes aufnehmen bzw. ausgleichen. Die in den Einstecksockel eingesetzten zylinderförmigen Behälter können trotz der sicheren Halterung ohne Schwierigkeiten aus dem Einstecksockel herausgezogen werden, ohne daß dabei die im Behälter sich gegebenenfalls befindende Flüssigkeit verschüttet wird. Die in den Einstecksockel einzusetzenden zylinderförmigen Behälter können sehr oft ausgewechselt werden, ohne daß die standfeste Halterung und die sichere paßgenaue Führung der Behälter im Einstecksockel beeinträchtigt wird.The basic idea of the invention thus lies in a combination of essentially radially projecting and axially extending guide ribs or guide plates with axially extending and radially tensioning clamping springs. Thanks to the synergistic effect of both mounting and guiding elements, a permanent, firm stand can be guaranteed even for high cylindrical containers despite low insertion forces. The spring bars arranged in the interior of the plug-in base ensure that the lower part of the cylindrical container is held securely against axial displacement, the spring bars absorbing or compensating for small fluctuations in the outer diameter of the cylinder vessel. In spite of the secure mounting, the cylindrical containers inserted into the plug-in base can be pulled out of the plug-in base without difficulty, without the liquid which may be present in the container being spilled. The cylindrical containers to be inserted into the plug-in base can very often be replaced without the stable holder and the secure, precisely fitting guidance of the container in the plug-in base being impaired.

Der erfindungsgemäße Einstecksockel besteht aus einer Bodenplatte, die einstückig oder lösbar mit einem zylindrischen, oben offenen Stutzen verbunden ist. Im Innern des Stutzens sind mindestens 2 Federleisten parallel zur Innenwand des Stutzens angeordnet, die das in den Sockel einzusetzende Gefäß standfest halten und der Einführung des Gefäßes in den Sockel dienen.The plug-in base according to the invention consists of a base plate which is integral or detachable with a cylindrical top open Connection is connected. At least two female connectors are arranged in the interior of the nozzle parallel to the inner wall of the nozzle, which hold the vessel to be inserted into the base steadily and serve to insert the vessel into the base.

Die Innenwand des Stutzens ist vorzugsweise mit 2 oder 5 Federleisten ausgerüstet. Es ist jedoch auch möglich, 4 und mehr als 5 Federleisten im Innern des Stutzens anzuordnen.The inner wall of the socket is preferably equipped with 2 or 5 female connectors. However, it is also possible to arrange 4 and more than 5 female connectors inside the socket.

Die Federleisten sind vorzugsweise L-förmig ausgebildet und mit dem kurzen Schenkel am oberen Ende des Stutzens vorzugsweise einstükkig befestigt, während das untere Ende der Federleiste nach innen und außen federnd beweglich ist. Der Steg, der die obere Kante der Federleiste mit dem oberen Rand des Stutzens verbindet, ist fest und formstabil ausgebildet. Nach einer Ausgestaltung der Erfindung ist zwischen dem oberen Teil der Federleiste und der Innenwand des Stutzens ein dünner Versteifungssteg angeordnet, der die Vorspannung des unteren Teils der Federleiste unterstützt. Außerdem dient dieser Versteifungssteg der Formstabilität des oberen Teils der Federleiste. Ein weiterer Vorteil dieses Versteifungsstegs liegt darin, daß er ein Abbrechen der Federleiste beim Einsetzen des zylinderförmigen Behälters verhindert, wenn die Federleiste relativ dünn ausgebildet ist.The female connectors are preferably L-shaped and are preferably attached in one piece with the short leg at the upper end of the connecting piece, while the lower end of the female connector is resiliently movable inwards and outwards. The web that connects the upper edge of the female connector with the upper edge of the socket is designed to be firm and dimensionally stable. According to one embodiment of the invention, a thin stiffening web is arranged between the upper part of the female connector and the inner wall of the socket, which supports the pretensioning of the lower part of the female connector. This stiffening web also serves to maintain the shape of the upper part of the female connector. Another advantage of this stiffening web is that it prevents the spring bar from breaking off when the cylindrical container is inserted if the spring bar is made relatively thin.

Die Federleiste erstreckt sich vorzugsweise über die gesamte Höhe des Stutzens, wobei der untere Teil der Federleiste vorzugsweise in eine Öffnung in der Bodenplatte hineinragt. Der untere Teil der Federleiste ist somit in der Öffnung der Bodenplatte nach innen bzw. außen federn verschiebbar. Die Öffnung in der Bodenplatte erstreckt sich von der Innenwand des Stutzens bis zum Innenteil der Bodenplatte. Die Öffnungen in der Bodenplatte dienen gleichzeitig dazu, den Einstecksockel zu reinigen, wenn Flüssigkeit über den Rand des eingesetzten, zylinderförmigen Behälters hinaus abfließt und so in das Innere des Stutzens gelangt. Der erfindungsgemäße Einstecksockel kann somit leicht durch Abspülen bzw. Ausspülen gereinigt werden.The female connector preferably extends over the entire height of the socket, the lower part of the female connector preferably projecting into an opening in the base plate. The lower part of the female connector is thus movable in the opening of the base plate inwards or outwards. The opening in the base plate extends from the inner wall of the socket to the inner part of the base plate. The openings in the base plate also serve to clean the plug-in base when liquid flows out over the edge of the cylindrical container used and thus reaches the inside of the socket. The plug-in base according to the invention can thus be easily cleaned by rinsing or rinsing.

Die in das Innere des Sockels gerichtete Fläche der Federleiste ist vorzugsweise so mit einer Auswölbung ausgerüstet, die der Krümmung der Oberfläche des in den Sockel eingesetzten zylinderförmigen Behälters entspricht. Damit wird eine besonders gute Führung und standsichere Halterung des zylinderförmigen Behälters garantiert.The surface of the female connector directed into the interior of the base is preferably equipped with a bulge that corresponds to the curvature of the surface of the cylindrical container inserted into the base. This guarantees particularly good guidance and stable mounting of the cylindrical container.

Die Abmessungen der Federleiste hängen von der Größe des jeweiligen Einstecksockels ab; d. h., je größer der einzusetzende zylindrische Behälter ist, desto breiter werden die Federleisten ausgelegt, um eine sichere, standfeste Halterung zu garantieren. Bei einem Einstecksockel für einen Glaszylinder eines Volumeninhalts von 100 ml ist die jeweilige Federleiste etwa 4 bis 8, insbesondere 6 mm breit und erstreckt sich über die gesamte Höhe des Stutzens.The dimensions of the female connector depend on the size of the respective socket; d. that is, the larger the cylindrical container to be used, the wider the spring slats are designed to guarantee a secure, stable mounting. With a plug-in base for a glass cylinder with a volume of 100 ml, the respective female connector is about 4 to 8, in particular 6 mm wide and extends over the entire height of the socket.

Die Federleisten sind vorzugsweise so an der Innenwand des Stutzens angeordnet, daß der untere Teil gegenüber dem oberen Teil der Federleiste leicht nach innen gerichtet ist. Die dem Inneren des Stutzens zugewandte Kante der Federleiste ist gegenüber der Senkrechten leicht nach innen verschoben, d. h., daß der untere Teil der Federleiste weiter nach innen steht als der obere. Die Federleiste steht vorzugsweise unter einer nach innen gerichteten Vorspannung. Diese Vorspannung wird durch den Verbindungssteg zwischen Federleiste und dem oberen Rand des Stutzens gewährleistet. Damit der Verbindungssteg durch das dauernde bzw. mehrfache Auswechseln der zylinderförmigen Behälter nicht zu frühzeitig erschlafft, ist z. B. zwischen der Innenwand des oberen Randes des Stutzens und der Federleiste ein Versteifungssteg, der sich nach unten keilförmig erweitert, angeordnet. Der keilförmige Versteifungssteg ist vorzugsweise aus fertigungstechnischen Gründen am oberen Ende des Stutzens angeordnet. Außerdem wird durch diese Anordnung die größte Flexibilität der Federleiste erreicht.The female connectors are preferably arranged on the inner wall of the socket so that the lower part is directed slightly inwards relative to the upper part of the female connector. The edge of the female connector facing the inside of the socket is slightly shifted inwards with respect to the vertical, i. that is, the lower part of the female connector is further inward than the upper. The female connector is preferably under an inward bias. This preload is ensured by the connecting bridge between the female connector and the upper edge of the connector. So that the connecting web does not relax too early due to the constant or repeated replacement of the cylindrical container, z. B. between the inner wall of the upper edge of the socket and the female connector, a stiffening web that widens wedge-shaped, arranged. The wedge-shaped stiffening web is preferably arranged at the upper end of the connecting piece for manufacturing reasons. In addition, the greatest flexibility of the female connector is achieved by this arrangement.

Die konusförmig nach innen gerichtete Vorspannung der Federleiste dient in erster Linie dazu, zylindrische Behälter standsicher zu halten, bei denen der Durchmesser an der unteren Toleranzgrenze liegt, oder die Maßungenauigkeiten in der Umfangslinie aufweisen.The cone-shaped inward bias of the female connector primarily serves to hold cylindrical containers steady, in which the diameter is at the lower tolerance limit, or which have dimensional inaccuracies in the circumferential line.

Nach einer Ausgestaltung der Erfindung ist der Stutzen des Einstecksockels mit einem durchgehenden Schlitz ausgerüstet. Dieser Schlitz hat z. B. den Vorteil, daß man den Teil des zylinderförmigen Behälters von außen beobachten kann, der in den Stutzen des Einstecksockels eingesetzt ist. Dies ist z. B. dann von Vorteil, wenn es sich bei dem eingesetzten Behälter um einen Meßzylinder handelt, bei dem die untere Maßeinteilung gegebenenfalls durch den Stutzen verdeckt ist. Statt des durchgehenden Sichtschlitzes kann der Stutzen auch mit beliebig ausgebildeten, übereinander angeordneten Öffnungen durchbrochen sein, die die Beobachtung des unteren Teils des zylinderförmigen Behälters ermöglichen.According to one embodiment of the invention, the socket of the plug-in base is equipped with a continuous slot. This slot has z. B. the advantage that you can observe the part of the cylindrical container from the outside, which is inserted into the socket of the socket. This is e.g. B. then advantageous if the container used is a measuring cylinder in which the lower graduation is possibly covered by the nozzle. Instead of the continuous viewing slit, the connection piece can also be perforated with openings of any design, arranged one above the other, which enable observation of the lower part of the cylindrical container.

Nach einer Ausgestaltung der Erfindung ist der Einstecksockel neben den Federleisten mit zusätzlichen Führungsrippen ausgerüstet, die ebenfalls an der Innenwand des Stutzens angeordnet sind. Die Zahl der Führungsrippen ist beliebig. Der Stutzen ist jedoch vorzugsweise mit mindestens 2 bzw. 3 Führungsrippen ausgerüstet. Es können auch mehr als 3 Führungsrippen vorgesehen sein, falls sich dies in besonderen Fällen als besonders vorteilhaft erweist.According to one embodiment of the invention, the plug-in base is equipped with additional guide ribs in addition to the female connectors, which are also arranged on the inner wall of the socket. The number of guide ribs is arbitrary. However, the nozzle is preferably equipped with at least 2 or 3 guide ribs. More than 3 guide ribs can also be provided if this proves to be particularly advantageous in special cases.

Die Führungsrippen sind schmal, aber verwindungssteif ausgebildet. Die erstrecken sich vorzugsweise über die gesamte Länge des Stutzens in senkrechter Anordnung, wobei der Abstand von der Innenwand maximal so groß ist wie der Abstand der obersten Kante der Federleiste von der Innenwand des Stutzens. Die Führungsrippen übernehmen in erster Linie die Führung der zylindrischen Behälter und dabei insbesondere der Behälter, deren Durchmesser im oberen Toleranzbereich liegt. Darüber hinaus sorgen die Führungsrippen dafür, daß die Behälter, die von den Federleisten an einigen Stellen des Umfangs federnd gehalten werden, zusätzlich geführt und gehalten werden, so daß die Behälter nicht wackeln. Die zusätzlichen Führungsrippen sind insbesondere dann von Vorteil, wenn nur wenige Federleisten an der Innenwand des Stutzens angeordnet sind.The guide ribs are narrow but torsionally rigid. They preferably extend over the entire length of the nozzle in a vertical arrangement, the distance from the inner wall being at most as large as the distance from the top edge of the Female connector from the inner wall of the socket. The guide ribs primarily take over the guidance of the cylindrical containers and in particular the containers whose diameter lies in the upper tolerance range. In addition, the guide ribs ensure that the containers, which are resiliently held by the spring strips at some points on the circumference, are additionally guided and held so that the containers do not wobble. The additional guide ribs are particularly advantageous if only a few female connectors are arranged on the inner wall of the connecting piece.

Eine besonders vorteilhafte und standfeste Halterung der zylindrischen Behälter in dem Einstecksockel wird bei einem Stutzen mit 3 Federleisten und 3 dazwischen angeordneten Führungsrippen erreicht.A particularly advantageous and stable mounting of the cylindrical container in the socket is achieved in a socket with 3 female connectors and 3 guide ribs arranged in between.

Die Führungsrippen können aber auch als Kreisabschnitte auf der Innenwand des Stutzens zwischen den Federleisten angeordnet sein, wobei eine kreisförmige Führungsrippe bereits ausreichend ist. Die senkrechte Anordnung der Führungsrippen ist gegenüber der kreisförmigen Anordnung jedoch bevorzugt.However, the guide ribs can also be arranged as circular sections on the inner wall of the connecting piece between the spring strips, a circular guide rib already being sufficient. However, the vertical arrangement of the guide ribs is preferred over the circular arrangement.

Die Federleiste ist vorzugsweise einstückig mit dem oberen Rand des Stutzens verbunden. Nach einer Ausgestaltung der Erfindung kann die Federleiste auch aus 2 nebeneinander angeordneten Rippen bestehen, die über einen gemeinsamen Steg mit dem oberen Rand des Stutzens formstabil verbunden sind. Die der Außenwand des zylinderförmigen Behälters zugewandte Fläche der Federleiste kann glatt, geriffelt oder mit Noppen ausgerüstet sein. Wichtig ist dabei nur, daß eine schlupffreie Halterung des unteren Teils des zylinderförmigen Behälters über die Federleisten und gegebenenfalls die zusätzlich angeordneten Führungsrippen gewährleistet wird.The female connector is preferably integrally connected to the upper edge of the socket. According to one embodiment of the invention, the female connector can also consist of two ribs arranged next to one another, which are connected in a dimensionally stable manner to the upper edge of the connecting piece via a common web. The surface of the female connector facing the outer wall of the cylindrical container can be smooth, corrugated or equipped with knobs. It is only important that a slip-free mounting of the lower part of the cylindrical container is ensured via the female connectors and, if necessary, the additionally arranged guide ribs.

Die Bodenplatte des erfindungsgemäßen Einstecksockels ist kreisförmig, oval oder eckig ausgebildet und einstückig oder lösbar mit dem zylindrischen, oben offenen Stutzen verbunden. Für bestimmte Anwendungsfälle ist es von Vorteil, den Stutzen in die Bodenplatte einzuklipsen, einzustecken oder einzuschrauben. Auf diese Weise können Einstecksockel mit verschieden hohen Stutzen in besonders einfacher Weise und besonders billig hergestellt werden. Die Höhe des Stutzens hängt von der Größe bzw. der Höhe des in den Einstecksockel eingesetzten zylinderförmigen Behälters ab. Die Höhe des Sockels beträgt etwa 10 bis 40 mm, insbesondere 10 bis 25 mm. Bei einem Einstecksockel für ein Laborglas bzw. einen Glaszylinder von 100 ml beträgt die Höhe des Stutzens des Einstecksokkels vorzugsweise etwa 25 mm.The base plate of the plug-in base according to the invention is circular, oval or angular and is connected in one piece or detachably to the cylindrical, open-ended socket. For certain applications, it is advantageous to clip, insert or screw the connector into the base plate. In this way, plug-in bases with different heights can be produced in a particularly simple manner and particularly cheaply. The height of the nozzle depends on the size or the height of the cylindrical container inserted into the plug-in base. The height of the base is approximately 10 to 40 mm, in particular 10 to 25 mm. In the case of a plug-in base for a laboratory glass or a glass cylinder of 100 ml, the height of the socket of the plug-in base is preferably approximately 25 mm.

Die erfindungsgemäßen Einstecksockel sind insbesondere für die Aufnahme von zylindrischen Behältern, insbesondere Laborgläsern mit einem Volumen von 5 bis 2000 ml geeignet, wobei für jede Volumeneinheit im allgemeinen ein gesonderter Einstecksockel zur Verfügung gestellt wird. Es ist jedoch auch möglich, daß ein Einstecksockel für zwei zylinderförmige Behälter mit unterschiedlichen Volumeneinheiten verwendet wird. In diesem Fall ist das in den Sockel einzusetzende zylinderförmige Gefäß zwar mit dem gleichen Außendurchmesser ausgerüstet, jedoch unterschiedlich hoch ausgebildet. Die erfindungsgemäßen Einstecksockel sind insbesondere für zylinderförmige Laborgläser mit 5, 10, 25, 50, 100, 250, 500, 1000 und 2000 ml geeignet.The plug-in bases according to the invention are particularly suitable for holding cylindrical containers, in particular laboratory glasses with a volume of 5 to 2000 ml, a separate plug-in base being generally provided for each volume unit. However, it is also possible that an insertion base is used for two cylindrical containers with different volume units. In this case, the cylindrical vessel to be inserted into the base is equipped with the same outside diameter, but is of different heights. The plug-in bases according to the invention are particularly suitable for cylindrical laboratory glasses with 5, 10, 25, 50, 100, 250, 500, 1000 and 2000 ml.

Die erfindungsgemäßen Einstecksockel können aus beliebigen Materialien hergestellt werden, solange die Materialien eine entsprechende Formstabilität aufweisen und die Federleisten federnd bewegbar sind. Das bevorzugte Material ist Kunststoff, z. B. Polypropylen, Polyäthylen, Polystyrol, Polyamid und Copolymerisate unter Verwendung von Polypropylen, Polyäthylen, Polystyrol, Polyamid.The plug-in bases according to the invention can be made from any materials, as long as the materials have a corresponding dimensional stability and the female connectors are resiliently movable. The preferred material is plastic, e.g. B. polypropylene, polyethylene, polystyrene, polyamide and copolymers using polypropylene, polyethylene, polystyrene, polyamide.

Es können aber auch in Abhängigkeit von der speziellen Verwendung andere Kunststoffe und Werkstoffe verwendet werden, falls die Formstabilität und Steifigkeit des Werkstoffes gewährleistet ist.

  • Die Erfindung wird durch die folgenden Figuren näher erläutert. Die
  • Fig. 1 zeigt einen Querschnitt durch den erf?ndungsgemäßen Sockel;
  • Fig. 2 zeigt eine Draufsicht auf den Einstecksockel;
  • Fig. zeigt eine Draufsicht auf eine weitere Form des Einstecksockels;
  • Fig. 4 zeigt die perspektivische Ansicht des Einstecksockels.
However, depending on the specific use, other plastics and materials can also be used if the dimensional stability and rigidity of the material is guaranteed.
  • The invention is explained in more detail by the following figures. The
  • Fig. 1 shows a cross section through the f he ndungsgemäßen base?;
  • Fig. 2 shows a plan view of the socket;
  • Fig. Shows a plan view of a further form of the plug-in base;
  • Fig. 4 shows the perspective view of the socket.

Der Einstecksockel weist eine Bodenplatte 1 auf, die mit einem zylinderförmigen Stutzen 2 verbunden ist. Die Bodenplatte 1 kann in den verschiedensten Formen ausgebildet sein, z. B. sechseckig, rund, oval usw. Die Bodenplatte 1 des Einstecksockels nach Figur 1 ist mit Stütznoppen 3 ausgerüstet, die eine feste und sichere Auflage des Einstecksockels garantieren, und zwar auch dann, wenn die Unterlage nicht völlig eben ist. Der zylinderförmige Stutzen 2 ist oben offen und im Durchmesser kleiner bemessen als die Bodenplatte 1. An der Innenwand des zylinderförmigen Stutzens 2 sind Federleisten 4 angeordnet, die über Verbindungsstege 5 mit dem oberen Rand des zylinderförmigen Stutzens 2 verbunden sind. Der Verbindungssteg 5 ist so fest ausgebildet, daß die Federleiste 4 mit einer Vorspannung leicht nach innen gerichtet ist, so daß die Innenkante 11 der Federleiste 4 sich konisch nach unten verjüngend nach innen weist. In dem Zwischenraum zwischen der Federleiste 4 und der Innenwand des zylinderförmigen Stutzens 2 ist am oberen Rand ein keilförmiger Versteifungssteg 6 angeordnet, der die Vorspannung der Federleiste 4 unterstützt.The plug-in base has a base plate 1 which is connected to a cylindrical connecting piece 2. The base plate 1 can be designed in a wide variety of forms, for. B. hexagonal, round, oval etc. The base plate 1 of the socket according to Figure 1 is equipped with support knobs 3, which guarantee a firm and secure support of the socket, even if the base is not completely flat. The cylindrical connection piece 2 is open at the top and has a smaller diameter than the base plate 1. On the inner wall of the cylindrical connection piece 2, spring strips 4 are arranged, which are connected to the upper edge of the cylindrical connection piece 2 via connecting webs 5. The connecting web 5 is formed so firmly that the female connector 4 is directed slightly inwards with a prestress, so that the inner edge 11 of the female connector 4 tapers conically downward inwards. In the space between the female connector 4 and the inner wall of the cylindrical connector 2, a wedge-shaped stiffening web 6 is arranged on the upper edge, which supports the prestressing of the female connector 4.

Die Bodenplatte 1 ist innerhalb des zylinderförmigen Stutzens 2 mit Öffnungen 7 ausgerüstet, in die die Enden der Federleisten 4 hineinragen für den Fall, daß die Federleisten 4 sich über die gesamte Länge der Innenwand des Stutzens 2 erstrecken, d. h., vom oberen Rand bis zur Bodenplatte 1. Es ist auch möglich, die Federleisten 4 etwas kürzer auszubilden, wobei das Ende der Federleiste 4 nicht mit der Bodenplatte 1 in Berührung steht. Die Aussparungen bzw. Öffnungen 7 in der Bodenplatte 1 erstrecken sich von der Innenwand des zylinderförmigen Stutzens 2 so weit nach innen, daß die in die Aussparung bzw. Öffnung 7 hineinreichende Federleiste 4 sich in dieser Aussparung federnd nach innen und außen bewegen kann.The base plate 1 is equipped within the cylindrical socket 2 with openings 7, into which the ends of the female connectors 4 protrude in the event that the female connectors 4 extend over the entire length of the inner wall of the Extend nozzle 2, that is, from the upper edge to the base plate 1. It is also possible to make the female connectors 4 somewhat shorter, the end of the female connector 4 not being in contact with the base plate 1. The recesses or openings 7 in the base plate 1 extend from the inner wall of the cylindrical socket 2 so far inwards that the spring bar 4 extending into the recess or opening 7 can move resiliently inwards and outwards in this recess.

Die Innenwand des zylindrischen Stutzens 2 weist, wie die Figuren 2, 3 und 4 zeigen, Führungsrippen 8 auf, die vorzugsweise zwischen den Federleisten 4 angeordnet sind. Die Führungsrippen 8 sind parallel und senkrecht zur Innenwand angeordnet. Die nach innen gerichtete Kante der Führungsrippe 8 ist nicht konisch nach innen weisend ausgebildet.As shown in FIGS. 2, 3 and 4, the inner wall of the cylindrical connecting piece 2 has guide ribs 8, which are preferably arranged between the spring strips 4. The guide ribs 8 are arranged parallel and perpendicular to the inner wall. The inward edge of the guide rib 8 is not conical inward.

Nach einer Ausgestaltung des erfindungsgemäßen Einstecksockels kann der zylinderförmige Stutzen 2, wie in Figur 3 dargestellt, mit einer senkrechten, durchgehenden Öffnung 9 ausgerüstet sein. Falls die Stabilität des Werkstoffes es zuläßt, kann der zylinderförmige Stutzen 2 auch mit mehreren derartigen Öffnungen 9 ausgerüstet sein.According to an embodiment of the plug-in base according to the invention, the cylindrical socket 2, as shown in FIG. 3, can be equipped with a vertical, continuous opening 9. If the stability of the material permits, the cylindrical connection piece 2 can also be equipped with several such openings 9.

Die Figur 4 zeigt die perspektivische Ansicht des Einstecksockels mit drei Führungsrippen 8 und drei Federleisten 5. In den Einstecksockel ist ein Meßzylinder 10 eingesetzt, der im vorliegenden Fall so maßgenau ausgebildet ist, daß die Außenfläche des Meßzylinders 10 sowohl die Innenkante der Führungsrippen als auch die Innenkante 11 der Federleisten 4 berührt. Die Figur 4 zeigt deutlich, daß die Federleiste 4 in diesem Fall parallel zur Innenwand des zylinderförmigen Stutzens 2 angeordnet ist, da die Außenfläche des zylinderförmigen Behälters den unteren Teil der unter Vorspannung stehenden Federleiste 4 nach außen drückt. Der in Figur 4 dargestellte Einstecksockel mit drei Federleisten 4 und drei Führungsrippen 8 stellt jedoch nur eine bevorzugte Ausführungsform dar. Die Innenwand des zylinderförmigen Stutzens 2 kann jedoch auch mit mehr als zwei bzw. drei Federleisten 4 und/oder Führungsrippen 8 ausgerüstet sein. Die Innenkante 11 der Federleiste 4 ist vorzugsweise gewölbt ausgebildet, damit die zylinderförmigen Behälter besser geführt und mit einer größeren Auflagefläche gehalten werden.Figure 4 shows the perspective view of the plug-in base with three guide ribs 8 and three female connectors 5. A measuring cylinder 10 is inserted into the plug-in base, which in the present case is so dimensionally designed that the outer surface of the measuring cylinder 10 both the inner edge of the guide ribs and the Inner edge 11 of the female connectors 4 touches. Figure 4 clearly shows that the female connector 4 is arranged in this case parallel to the inner wall of the cylindrical connector 2, since the outer surface of the cylindrical container presses the lower part of the spring connector 4 under tension to the outside. However, the plug-in base shown in FIG. 4 with three female connectors 4 and three guide ribs 8 is only a preferred embodiment. However, the inner wall of the cylindrical connector 2 can also be equipped with more than two or three female connectors 4 and / or guide ribs 8. The inner edge 11 of the female connector 4 is preferably curved so that the cylindrical containers are better guided and held with a larger contact surface.

Claims (4)

1. A base for inserting a cyclindrical recipient, especially a metering and mixing cylinder (10), comprising an insert-socket (2) which is open at the upper side and is at least essentially cylindrical and which is connected to a bottom plate (1); on the inner wall of said insert-socket (2) female spring strips (4) are provided in an equal distance from each other; said female spring strips (4) are axially arranged and are radially biasing; said base is characterized in that at least one guide-rib (8) ist provided between two of said female spring strips (4) respectively, said guide-ribs (8) are fixed or formed in the axial direction of said base at the inner wall of said insert-socket (2), the main surfaces of said guide-ribs (8) are radially protruding essentially in a lamella like manner, the circle which is formed in the radial plane by the inner edges of said guide-ribs (8) has a diameter, that is larger than the diameter of the smallest circle, which is formed in the radial plane by the inner edges (11) of said female spring strips (4).
2. Base according to claim 1 wherein each of said female spring strip (4) is connected integrally with the upper rim of said insert-socket (2) by a connection-web (5) with dimensional stability and the lower portion of said female spring strip (4) which is arranged opposite to said connection-web (5) is resilient and radially movable, said inner edges (11) of said female spring strips (4) are upwardly opening and are conically extending in respect to the axis of said insert-socket (2) or are formed convex in the axial direction.
3. Base according to one of the claims 1 or 2, wherein said inner edges (11) of said female spring strips (4) comprise a concavely curved planar profile in the radial plane.
4. Base according to one of the claims 1 to 3, wherein three of said female spring strips (4) and three of said guide-ribs (8) are provided in said insert-socket (2).
EP81101661A 1980-03-08 1981-03-06 Removable base for a cylindrical recipient Expired EP0035779B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3009056 1980-03-08
DE19803009056 DE3009056A1 (en) 1980-03-08 1980-03-08 SOCKET BASE FOR CYLINDRICAL CONTAINERS

Publications (2)

Publication Number Publication Date
EP0035779A1 EP0035779A1 (en) 1981-09-16
EP0035779B1 true EP0035779B1 (en) 1983-01-19

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FR2254243A5 (en) * 1973-12-05 1975-07-04 Montagne Jean Claude Moulded plastic object holder - partic. for sample-tubes, mechanical parts and surgical instruments
DE2606900A1 (en) * 1975-03-04 1976-09-23 Philips Nv TRANSPORT DEVICE FOR SAMPLE CARRIERS
US4074824A (en) * 1975-12-03 1978-02-21 Kontes Glass Company Container for storage and shipment of chemical standards, radioactive isotopes and the like

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EP0035779A1 (en) 1981-09-16
DE3009056A1 (en) 1982-05-13
DE3160030D1 (en) 1983-02-24

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