DD261107A1

DD261107A1 - CUTTING FOR ADAPTERS FOR THE DIRECT AND INDIRECT RECORDING OF SAMPLE FAIRS IN CENTRIFUGES

Info

Publication number: DD261107A1
Application number: DD30261887A
Authority: DD
Inventors: Ralf Koehler
Original assignee: Medizin Labortechnik Veb K
Priority date: 1987-05-11
Filing date: 1987-05-11
Publication date: 1988-10-19

Abstract

Die Erfindung betrifft einen Zuschnitt fuer Adapter zur direkten und indirekten Aufnahme von Probengefaessen in Zentrifugen. Die Erfindung soll einen Zuschnitt erbringen, aus dem sich bei gleichbleibender Form und gleichbleibenden Abmessungen Adapter herstellen lassen, deren Stirnwaende in Breite und Abstand zueinander von den horizontalen Innenmassen der Zentrifugengehaenge festgelegt, in ihrer Abstellflaeche aber verschieden gross ausgebildet werden koennen. Erreicht worden ist das durch die kreuzfoermige Ausbildung des Zuschnittes, dessen beide Arme in einem Winkel von 90 zueinander stehen und von denen mindestens einer in ihren gemeinsamen Winkeln mit Ausschnitten versehen ist, die paarweise einander axial gegenueber liegen und paarweise parallel zueinander verlaufen. Die aus einer Blechplatte in einer einheitlichen Form und Groesse herausgearbeiteten Zuschnitte erlauben es, die Abstellflaeche so zu gestalten, dass sie den Abmessungen der jeweils verwendeten Gefaesstraeger und Mikrotitterplatten entspricht, ohne dass der Sitz des Adapters im Gehaenge gefaehrdet wird. Fig. 1The invention relates to a blank for adapters for the direct and indirect absorption of Probengefaessen in centrifuges. The invention is intended to provide a blank from which can be produced with constant shape and consistent dimensions adapter, the end walls in width and distance from each other determined by the horizontal interior masses Zentrifugugengehaenge, but can be formed in their Abstellflaeche different sizes. This has been achieved by the kreuzfoermige training of the blank, the two arms are at an angle of 90 to each other and of which at least one is provided in their common angles with cut-outs, the pairs are axially opposite each other and in pairs parallel to each other. The blanks carved from a sheet metal plate in a uniform shape and size make it possible to design the Abstellflaeche so that it corresponds to the dimensions of the Gefaesstraeger and micro titer plates used in each case, without the seat of the adapter in the Gehaenge is endangered. Fig. 1

Description

Der aus einer nicht dargestellten Blechbahn ausgestanzte Zuschnitt 1 ist kreuzförmig ausgebildet und umfaßt die Arme 2,3. . Beide Arme 2,3 bilden im gemeinsamen Mittelstück 4 ein einziges Teil. Die zwischen den Armen 2,3 vorhandenen Winkel 5 betragen jeweils 90°. In die beiden Endabschnitte 6 des Armes 3 sind von den Winkeln 5 ausgehend die Ausschnitte 7 eingearbeitet, die paarweise axial und parallel zueinander liegen. Ihre ideellen Längsachsen 8 verlaufen parallel zu den Seitenkanten des Armes 2.The punched out of a sheet-metal strip, not shown, blank 1 is formed cross-shaped and comprises the arms 2,3. , Both arms 2,3 form a single part in the common center piece 4. The present between the arms 2,3 2,3 angle are each 90 °. In the two end portions 6 of the arm 3, starting from the angles 5, the cutouts 7 are incorporated, which are in pairs axially and parallel to each other. Their ideal longitudinal axes 8 run parallel to the side edges of the arm second

Je nach Größe der einzusetzenden Gefäßträger 9 werden die Endabschnitte 6 des Armes 2 um 90° nach oben abgebogen. Anschließend werden sie abgewinkelt und zwar um 90° nach außen, so daß beiderseits eine Handhabe Io entsteht, mit denen der Adapter in das Gehänge 11 eingesetzt werden kann. Danach werden die Endabschnitte 6 des Armes 3 zweifach so um je 90° z-förmig abgewinkelt, daß sich stets das Innenlängenmaß des Gehänges 11 ergibt. Da die Breite 12 der Endabschnitte 6 des Armes 3 schon beim Zuschnitt 1 der Innenbreite des Gehänges 11 entsprechend ausgeführt worden ist und an den Seitenwänden 15 des Gehänges 11 anliegt, ist ein Verrutschen des Adapters und des darin gelagerten Zentrifugiergutes ausgeschlossen. Werden an Stelle von Reduziereinsätzen beispielsweise Probenmagazine eingesetzt, so ist ein Adapter mit einer Abstellfläche 13 erforderlich, die andere Abmessungen besitzt. Dieser läßt sich ebenfalls aus dem erfindungsgemäßen Zuschnitt herstellen. Infolge der Ausschnitte 7 wird eine Behinderung zwischen den aus den Endabschnitten 6 gebildeten Stirnwänden 14 und den Seitenwänden 15 stets vermieden. Die Variabilität in den Abmessungen der Abstellfläche 13 ergibt sich aus der Breite der Ausschnitte 7.Depending on the size of the vessel support 9 to be used, the end portions 6 of the arm 2 are bent by 90 ° upwards. Then they are angled, namely by 90 ° to the outside, so that on both sides a handle Io is created, with which the adapter can be used in the hanger 11. Thereafter, the end portions 6 of the arm 3 are bent twice in each case by 90 ° z-shaped, that always the Innenlängenmaß of the hanger 11 results. Since the width 12 of the end portions 6 of the arm 3 has already been carried out in accordance with the blank 1 of the inner width of the hanger 11 and rests against the side walls 15 of the hanger 11, slippage of the adapter and the centrifuged material stored therein is excluded. If, for example, sample magazines are used instead of reducing inserts, then an adapter with a storage surface 13 is required which has other dimensions. This can also be produced from the blank according to the invention. As a result of the cutouts 7 a disability between the end walls 14 formed from the end walls 14 and the side walls 15 is always avoided. The variability in the dimensions of the storage area 13 results from the width of the cutouts 7.

Eine Änderung der Gesamtlänge des Adapters tritt in keinem Fall ein, da der Ausgleich bei einer Änderung der Länge der Abstellfläche 13 durch analoge Änderungen der Stirnwände 14 und des daran befindlichen Falzes 16 erfolgt. Es ist möglich, daß der Falz 16 bei einer großen Abstellfläche entfälltA change in the total length of the adapter does not occur in any case, since the compensation takes place with a change in the length of the shelf 13 by analogous changes of the end walls 14 and the fold 16 located thereon. It is possible that the fold 16 is omitted in a large storage area

Eine Änderung des Zuschnittes 1 ist somit bei der Änderung der Abstellfläche 13 des Adapters nicht notwendig. A change of the blank 1 is thus not necessary when changing the shelf 13 of the adapter.

Claims

1. Blank for adapters for direct and indirect recording of sample vessels in centrifuges is carved out of a metal plate, characterized in that the blank (1) is cross-shaped, arranged the two arms (2,3) at an angle of 90 ° to each other are provided and at least one of the arms (2,3) of the common angles (5) starting with cutouts (7) which are in pairs axially opposite each other and in pairs parallel to each other.

2. blank according to claim 1, characterized in that the cutouts (7) are designed arcuate.

3. blank according to claim 1, characterized in that ideal longitudinal axes (8) of the cutouts (7) perpendicular to the arm (3) are arranged to run, which forms after forming the blank (1) the end walls (14) of the adapter.

For this 2 pages drawings

Field of application of the invention

The invention relates to a blank for adapters for direct and indirect recording of sample containers in centrifuges. These adapters are used to safely place microtiter plates, vial reduction vials, sample vials, and other vascular carriers in the centrifuge carrier. At the same time, the adapters form a storage facility in which the samples contained in the microtiter plates and the sample vessels can be prepared for centrifugation.

Characteristic of the known state of the art

From brochures of the company Hettich, Germany, and from practice, the use of usable in hangers adapters is known. These adapters are adapted on the one hand to the interior of the hanger, on the other hand, the dimensions of the vessel carrier to be used and microtiter plates.

From this arises the need to produce adapters in different sizes and with different internal dimensions. This, in turn, requires the provision of a separate blank for each adapter size, which is uneconomical.

Object of the invention

The invention is intended to make available an adapter that can be used more economically and economically than the previous blanks.

Explanation of the essence of the invention

The invention was based on the object to develop a blank for adapters for direct and indirect recording of sample containers in centrifuges, which is designed so that it can be produced with constant shape and consistent dimensions adapter whose end walls in width and distance from each other from the horizontal Set inside dimensions of the hanger, but in their storage space are adapted to one or more vessel carriers or microtiter plates. According to the invention, the object has been achieved by the blank machined from a sheet metal cross-shaped ', its two arms are arranged at an angle of 90 ^G to each other and at least one is provided in their common angles with cut-outs in pairs facing each other axially and in pairs parallel to each other, wherein the cutouts can be designed arcuate. The ideal longitudinal axes of the cutouts are arranged perpendicular to the arm extending, which forms the end walls of the adapter after forming the blank. With the blank formed according to the invention, it is possible to produce adapters of different sizes from a single, uniform size of the blank, the width of the end walls and their distance from each other is always constant, but the shelf depending on the dimensions of the provided microtiter plates and Vascular carrier can be designed accordingly. Thus, in the prefabrication need only be provided for a blank punching, resulting in more economical quantities and storage is simplified.

embodiments

Reference to a drawing, the invention will be explained with an embodiment. Show it:

Fig. 1a: blank with rectangular cutouts

Fig. 1 b: blank with arcuate cutouts

2a: blank cut as an adapter blank with inserted vessel carrier

Fig. 2 b: Blank as an adapter converted blank with einzezten sample magazines before insertion into the hanger.