EP1317961B1 - Deckelgefäss - Google Patents
Deckelgefäss Download PDFInfo
- Publication number
- EP1317961B1 EP1317961B1 EP02024788A EP02024788A EP1317961B1 EP 1317961 B1 EP1317961 B1 EP 1317961B1 EP 02024788 A EP02024788 A EP 02024788A EP 02024788 A EP02024788 A EP 02024788A EP 1317961 B1 EP1317961 B1 EP 1317961B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vessel
- lid
- softer
- hollow cylinder
- harder
- 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
Links
Images
Classifications
-
- 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
- B01L3/50825—Closing or opening means, corks, bungs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/12—Specific details about materials
- B01L2300/123—Flexible; Elastomeric
Definitions
- the invention relates to a lidded container made of plastic for laboratory use, especially under elevated temperature conditions, i.a. in the PCR technique.
- Lidded vessels of the type mentioned initially have a capacity of a few milliliters or below one milliliter.
- Known lidded vessels comprise a vessel and a lid with a lid bottom and a hollow cylinder on one side of the lid bottom, either plugged into a vessel opening or cap-like on the The end of the vessel is placed with the vessel opening to the vessel outer wall seal.
- the lid may be formed separately from or with the vessel be connected via a hinge (DE-A-19645892).
- the lid may leak or jump up, when the pressure in the vessel increases above ambient pressure. This can be, for example when tempering samples in the lidded vessels occur.
- PCR polymerase chain Reaction
- the PCR involves the three steps of denaturation at 94 ° C, the Annealing at 40 to 60 ° C and DNA synthesis at 72 ° C, which often (mostly 25 up to 30 times).
- the object of the invention is to provide a lidded container create, in which the lid better against leaks and / or jumping up due to a pressure difference between the interior of the vessel and the Environment is protected.
- the sealing partners i. of the Hollow cylinder of the lid and the vessel inner wall or the vessel outer wall, in Area of the sealing seat with a bias to each other to a seal to achieve.
- the hollow cylinder and the vessel have a flexural rigidity, which ensures a simple and secure closing of the lid, without this one preventing deformation of the sealing areas.
- the circumferential sealing areas are also very stiff radially, so that at elevated Pressure in the vessel no or hardly enhances the sealing effect Expansion of the inner sealing partner is possible.
- the axial section of the hollow cylinder is free End of the hollow cylinder or goes the axial portion of the vessel from the end of the Vessel with the vessel opening, resulting in a particularly strong expandability at the free end of the hollow cylinder or at the end of the vessel with the vessel opening is achieved with a concomitant increase in the sealing effect and the holding force.
- the axial portion of the lid extends to the lid bottom or the axial portion of the vessel extends at least over the entire coverage area the hollow cylinder of the attached lid.
- the harder and softer segments axially parallel or inclined or interlocking edges to the axis.
- the axis-parallel or inclined to the axis edges have in particular spraying Advantages. With the axis inclined or interlocking edges a constructive clawing of the segments can be achieved, which in their Manufacture of different materials can be beneficial.
- the hollow cylinder or the vessel at least in Region of the axial section inside and / or outside a soft material layer.
- the hollow cylinder at the free end or the vessel at the vessel opening on a sealing bead can be the sealing effect in particular Increase by increasing the surface pressure.
- the sealing bead is softer than the harder segments.
- the coefficient of friction between the vessel and the Lid be increased to increase the holding power.
- the lid or the vessel at the proximal end the axial section at least one completely or partially circumferential ring section which is softer than the harder segments.
- the at least one Ring section can the radial expandability or compressibility of the Axial section increase, especially when moving along the base of the harder Segments extends.
- the ring portion at the base of the hollow cylinder in Lid bottom arranged and softer than the rest of the lid bottom, also around the increase radial expandability or compressibility of the axial section.
- Radial sections which extend radially from the ring portion to the outside and also softer than the rest of the lid bottom are provided.
- the softer regions i.e. Segments and / or the sealing bead and / or the ring section and / or the radial sections
- the adjacent harder areas i.e., the harder ones
- the softer regions i.e. Segments and / or the sealing bead and / or the ring section and / or the radial sections
- a softer material than the adjacent harder areas (i.e. harder segments and / or other areas of the lid or vessel).
- the softness is increased by using softer materials. The softness can Combined with reduced wall thickness and material usage.
- the lid and / or the vessel is within the softer ones Areas everywhere from the same softer material and outside of it Areas everywhere made of the same harder material.
- the lid and / or the Vessel then consist of only two components.
- the harder material is polypropylene or polyethylene and / or the softer material silicone or a thermoplastic elastomer or an elastomer or other soft polymeric material.
- the harder material and the softer material plastics are used which have particularly good adhesive properties with each other.
- the lidded vessel comprises at least two plastic components with different E-modules.
- the softer ones Segments made of a material whose modulus of elasticity is one or more orders of magnitude is less than the modulus of elasticity of the material making up the harder segments consist.
- the invention includes the formation of the vessel and lid each as a separate Component. Furthermore, the invention comprises vessels and lids which are separate and mutually connectable components are, for example by means of a tab that with a the components is integrally connected and a ring for connection to the outer periphery having the other component.
- vessels and lids which are separate and mutually connectable components are, for example by means of a tab that with a the components is integrally connected and a ring for connection to the outer periphery having the other component.
- the lid and the vessel are integrally in a one- or multi-component injection molding produced. You can then in particular, comprise a film hinge which connects the lid and vessel together. But also includes the possibility of lid and vessel over a Separating point releasably connect to each other, the separation point to close of the vessel is to be separated.
- the lid is in its middle radius region made of an elastic plastic so as to be perforated, e.g. by means of a Needle for sampling purposes to ensure automatic sealing properties.
- the lidded vessel according to FIGS. 1 to 3 has a vessel 1 with a cup-shaped one Floor 2, an adjacent cone section 3 and an adjacent thereto Cylinder section 4, a vessel opening 5 and a surrounding this Vessel flange 6 has.
- the lidded vessel has a lid 7 with a lid bottom 8, which in the example has approximately the form of two identical, isosceles trapezoids, the are juxtaposed at the big baseline.
- the vessel flange 6 is connected to the lid base 8 via two parallel hinge bands 9, which have adjacent to the vessel flange 6 side sections 10, in which they are practically not flexible.
- the lid base 8 has at the edge of a skirt 14 which protrudes from its inside. In the region of the locking lug 13, the skirt 14 is interrupted.
- the lid base 8 carries inside a hollow cylinder 15, the entire circumference has a distance from the enclosure 14 and protrudes beyond this.
- the hollow cylinder 15 is alternately in the circumferential direction in harder segments 16th and softer segments 17, which extend axially over the entire Hollow cylinder 15 extend.
- the harder segments 16 may be in their ratio be made variable to the softer segments 17 in larger areas and optimally have a ratio of 1: 1 in terms of their extent in Circumferential direction.
- the lid bottom 8 has at the base of the hollow cylinder inside a on the inner circumference the hollow cylinder encircling ring portion 19, which also consists of a softer Material is as the segments 16.
- the lid base 8 has on the side opposite the film hinges 9 in Distance range of the skirt 14 and the hollow cylinder 15 is a teardrop-shaped, softer area 20, which passes through the lid bottom 8.
- the softer segments 17, the sealing bead 16, the ring portion 19 and the Drop-shaped portions 20 are made of the same softer material.
- the remaining areas of the lid base 8 are made of the same harder material as the harder segments 16.
- the hinges 9, the locking elements 12, 13 and the vessel 1 are also made of this material.
- the entire lidded vessel is in the two-component injection molding of the two Materials made. After spraying the harder material are over the ring portion 19, the softer segments 17 in the gaps between the segments 16, the sealing bead 18 and the teardrop-shaped portion 20 with the softer Material filled up.
- the lid 7 is by pressing the hollow cylinder 15 into the vessel opening. 5 closed.
- the sealing bead 15 comes under bias to the plant at the Vessel inner wall, i. forms with this a sealing seat. In this sealing position supports the laterally over the hollow cylinder 15 projecting bottom 8 on top of the Vessel flange 6 from.
- the hollow cylinder 15 expands due to the soft, stretchable segments 17 on.
- the seal between the sealing bead 15 and vessel inner wall is thereby reinforced and also the of the Vessel inner wall on the sealing bead 15 exerted frictional force. This is the Cover 7 against pressing by acting on the lid bottom 8 force secured.
- the harder material of the lid 7 'according to the invention is a PP having a modulus of elasticity of 1400 Newton / mm 2 and the conventional lid 7 "is made entirely of this material was based on a TPE with an E modulus of 6.1 Newton / mm 2 .
- FIGS. 6 and 7 another lid 7 "'harder segments 16' '' and softer segments 17 '' 'with obliquely inclined to the axis sides, wherein the harder segments 16 '' 'to the lid bottom 8' '' and the softer segments 17 '' ' tapering towards the free end of the hollow cylinder 15 '' '.
- the cover 7 IV of FIG. 8 and 9 differs from the lid 7 of FIG. 1 to 3 characterized in that at the base of the hollow cylinder 15 IV a ring portion 19 IV on the shell of the hollow cylinder 15 IV completely rotates and above the harder segments 16 IV to the top of the lid bottom 8 IV ranges.
- the undercut for producing the ring portion 19 IV can be realized by a slotted, annular tool core, which dives through the lid 7 IV .
- the rigidity of the cover bottom 8 V of the cover 7 V is reduced by ring sections 21 in the cover base 8 V and radial sections 22 originating therefrom and made of a softer component. This results in a reduction of the rigidity of the hollow cylinder 15 V and hereby likewise an improvement of the Aufsp Rudmony.
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Hematology (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Closures For Containers (AREA)
- Sealing Devices (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Table Devices Or Equipment (AREA)
- Packages (AREA)
Description
- ein röhrenförmiges Gefäß, das einenends einen Gefäßboden und anderenends eine Gefäßöffnung hat,
- einen Deckel, der einen Deckelboden und auf einer Seite des Deckelbodens mindestens einen Hohlzylinder hat, der durch die Gefäßöffnung in einen Dichtsitz an der Gefäßinnenwand einsetzbar ist und/oder der auf das Ende des Gefäßes mit der Gefäßöffnung in einen Dichtsitz auf der Gefäßaußenwand aufsetzbar ist und
- zumindest einen Axialabschnitt des Hohlzylinders oder des Gefäßes im Bereich des Dichtsitzes, über den der Hohlzylinder oder das Gefäß in Umfangsrichtung abwechselnd in härtere und weichere Segmente unterteilt ist.
- Fig. 1
- ein Deckelgefäß mit härteren und weicheren Segmenten mit achsparallelen Rändern im Deckel bei geöffnetem Deckel in perspektivischer Seitenansicht;
- Fig. 2
- Deckel desselben Deckelgefäßes in einer Perspektivansicht schräg von oben;
- Fig. 3
- dasselbe Deckelgefäß geschlossen in einer perspektivischen Seitenansicht;
- Fig. 4a und b
- ein anderer Deckel in unbelastetem Zustand (in Strichlinien gekennzeichnet) und mit Innendruck belastet (in unterschiedlichen Dunkeltönen entsprechend der Verformung) in einem perspektivischen Schnittbild (Fig. 4a) und Legende mit der Zuordnung der Dunkeltöne zum Verformungsausmaß in Millimetern (Fig. 4b);
- Fig. 5 a und b
- Deckel eines herkömmlichen Deckelgefäßes mit Innendruck belastet (in unterschiedlichen Dunkeltönen entsprechend der Verformung) in einer perspektivischen Seitenansicht (Fig. 5a) und Legende mit der Zuordnung der Dunkeltöne zum Verformungsausmaß in Millimetern (Fig. 5b);
- Fig. 6
- ein anderer Deckel mit härteren und weicheren Segmenten mit zur Achse geneigten Rändern in einer perspektivischen Unteransicht;
- Fig. 7
- derselbe Deckel in einer perspektivischen Ansicht schräg von oben;
- Fig. 8
- ein anderer Deckel mit achsparallelen Segmenten und weicheren Ringabschnitten im Deckelboden in einer perspektivischen Ansicht schräg von unten;
- Fig. 9
- derselbe Deckel in einer perspektivischen Ansicht schräg von oben;
- Fig. 10
- ein anderer Deckel eines weiteren Deckelgefäßes mit achsparallelen Segmenten und weicheren Ringabschnitten und Radialabschnitten im Deckelboden in einem perspektivischen Schnittbild schräg von oben.
Claims (16)
- Deckelgefäß aus elastischem Kunststoff für den Laboreinsatz, insbesondere in der PCR-Technik, miteinem röhrenförmigen Gefäß (1), das einenends einen Gefäßboden (2) und anderenends eine Gefäßöffnung (5) hat,einem Deckel (7), der einen Deckelboden (8) und auf einer Seite des Deckelbodens mindestens einen Hohlzylinder (15) hat, der durch die Gefäßöffnung (5) in einen Dichtsitz an der Gefäßinnenwand einsetzbar ist und/oder der auf das Ende des Gefäßes (1) mit der Gefäßöffnung (5) in einen Dichtsitz auf der Gefäßaußenwand aufsetzbar ist undzumindest einem Axialabschnitt des Hohlzylinders (15) oder des Gefäßes (1) im Bereich des Dichtsitzes, über den der Hohlzylinder (15) oder das Gefäß (1) in Umfangsrichtung abwechselnd in härtere und weichere Segmente (16, 17) unterteilt ist.
- Deckelgefäß nach Anspruch 1, das einen Deckel (7) mit nur einem Hohlzylinder (15) mit härteren und weicheren Segmenten (16, 17) hat, der durch die Gefäßöffnung (5) in einem Dichtsitz an der Gefäßinnenwand einsetzbar ist.
- Deckelgefäß nach einem der Ansprüche 1 bis 2, bei dem der Axialabschnitt des Hohlzylinders (15) vom freien Ende des Hohlzylinders (15) ausgeht oder bei dem der Axialabschnitt des Gefäßes (1) vom Ende des Gefäßes (1) mit der Gefäßöffnung (5) ausgeht.
- Deckelgefäß nach einem der Ansprüche 1 bis 3, bei dem der Axialabschnitt des Hohlzylinders (15) bis zum Deckelboden (5) erstreckt ist oder bei dem der Axialabschnitt des Gefäßes (1) zumindest über den gesamten Überdeckungsbereich des Hohlzylinders (15) erstreckt ist.
- Deckelgefäß nach einem der Ansprüche 1 bis 4, bei dem die härteren und weicheren Segmente (16, 17) achsparallele oder zur Achse geneigte oder ineinandergreifende Ränder aufweisen.
- Deckelgefäß nach einem der Ansprüche 1 bis 5, bei dem der Hohlzylinder (15) am freien Ende oder das Gefäß an der Gefäßöffnung (5) einen Dichtwulst (18) aufweist.
- Deckelgefäß nach Anspruch 6, bei dem der Dichtwulst (18) weicher als die härteren Segmente (16) ist.
- Deckelgefäß nach einem der Ansprüche 1 bis 7, bei dem der Deckel (7) oder das Gefäß (1) am körpernahen Ende des Axialabschnittes mindestens einen ganz oder teilweise umlaufenden Ringabschnitt (19) aufweist, der weicher als die härteren Segmente (16) ist.
- Deckelgefäß nach Anspruch 8, bei dem der Ringabschnitt (19) an der Basis des Hohlzylinders (15) im Deckelboden (8) angeordnet ist und weicher als der übrige Deckelboden (8) ist.
- Deckelgefäß nach Anspruch 9, bei dem der Deckelboden Radialabschnitte (22) hat, die strahlenförmig von dem Ringabschnitt (21) nach außen verlaufen und ebenfalls weicher als der übrige Deckelboden (8) sind.
- Deckelgefäß nach einem der Ansprüche 1 bis 10, bei dem die weicheren Bereiche (17, 18, 19, 21, 22) dasselbe Material wie die angrenzenden härteren Bereiche (16) umfassen, demgegenüber jedoch eine verringerte Wandstärke aufweisen.
- Deckelgefäß nach einem der Ansprüche 1 bis 11, bei dem die weicheren Bereiche (17, 18, 19, 21, 22) ein weicheres Material als die angrenzenden härteren Bereiche (16) umfassen.
- Deckelgefäß nach einem der Ansprüche 1 bis 12, das mindestens zwei Kunststoffkomponenten mit verschiedenen E-Modulen umfaßt.
- Deckelgefäß nach Anspruch 12 oder 13, bei dem der Deckel (7) und/oder das Gefäß (1) innerhalb der weicheren Bereiche (17, 18, 19, 21, 22) überall aus demselben weicheren Material und außerhalb dieser überall aus demselben härteren Material ist/sind.
- Deckelgefäß nach einem der Ansprüche 12 oder 14, bei dem das härtere Material Polypropylen oder Polyethylen und/oder das weichere Material Silikon oder ein thermoplastisches Elastomer oder ein Elastomer oder ein anderer weicher Polymerwerkstoff ist.
- Deckelgefäß nach einem der Ansprüche 1 bis 15, bei dem der Deckel (7) in seinem mittleren Radiusbereich aus einem elastischen Kunststoff besteht, um nach einer Perforation selbsttätige Dichteigenschaften zu gewährleisten.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10159804 | 2001-12-05 | ||
DE10159804A DE10159804B4 (de) | 2001-12-05 | 2001-12-05 | Deckelgefäß |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1317961A1 EP1317961A1 (de) | 2003-06-11 |
EP1317961B1 true EP1317961B1 (de) | 2004-10-20 |
Family
ID=7708170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02024788A Expired - Lifetime EP1317961B1 (de) | 2001-12-05 | 2002-11-07 | Deckelgefäss |
Country Status (5)
Country | Link |
---|---|
US (1) | US6783025B2 (de) |
EP (1) | EP1317961B1 (de) |
AT (1) | ATE279986T1 (de) |
DE (2) | DE10159804B4 (de) |
ES (1) | ES2227376T3 (de) |
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DE102013209880A1 (de) | 2013-05-28 | 2014-12-04 | Leica Microsystems Cms Gmbh | Verfahren zur Lasermikrodissektion und Lasermikrodissektionssystem |
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US5632396A (en) * | 1993-05-06 | 1997-05-27 | Becton, Dickinson And Company | Combination stopper-shield closure |
DE19645892C2 (de) * | 1996-11-07 | 1999-02-18 | Eppendorf Geraetebau Netheler | Deckelgefäß |
US6145688A (en) * | 1996-07-17 | 2000-11-14 | Smith; James C. | Closure device for containers |
DE29706611U1 (de) * | 1997-04-12 | 1997-07-03 | Drägerwerk AG, 23558 Lübeck | Dichtung für eine Verschlußkappe |
JP2001219949A (ja) * | 2000-02-10 | 2001-08-14 | Sekisui Chem Co Ltd | 真空検体採取容器用栓体 |
JP4460101B2 (ja) * | 2000-02-10 | 2010-05-12 | 積水化学工業株式会社 | 真空検体採取容器用栓体 |
-
2001
- 2001-12-05 DE DE10159804A patent/DE10159804B4/de not_active Expired - Fee Related
-
2002
- 2002-11-07 DE DE50201344T patent/DE50201344D1/de not_active Expired - Lifetime
- 2002-11-07 AT AT02024788T patent/ATE279986T1/de active
- 2002-11-07 EP EP02024788A patent/EP1317961B1/de not_active Expired - Lifetime
- 2002-11-07 ES ES02024788T patent/ES2227376T3/es not_active Expired - Lifetime
- 2002-12-04 US US10/309,853 patent/US6783025B2/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013209881A1 (de) | 2013-05-28 | 2014-12-04 | Leica Microsystems Cms Gmbh | Lasermikrodissektionssystem mit Visualisierungseinrichtung, Visualisierungseinrichtung für Lasermikrodissektionssystem und Verfahren zur Lasermikrodissektion |
WO2014191451A1 (de) | 2013-05-28 | 2014-12-04 | Leica Microsystems Cms Gmbh | Lasermikrodissektionssystem mit visualisierungseinrichtung und verfahren zur lasermikrodissektion |
DE102013209880A1 (de) | 2013-05-28 | 2014-12-04 | Leica Microsystems Cms Gmbh | Verfahren zur Lasermikrodissektion und Lasermikrodissektionssystem |
Also Published As
Publication number | Publication date |
---|---|
ES2227376T3 (es) | 2005-04-01 |
US20030102323A1 (en) | 2003-06-05 |
DE10159804B4 (de) | 2004-09-16 |
DE10159804A1 (de) | 2003-06-26 |
EP1317961A1 (de) | 2003-06-11 |
DE50201344D1 (de) | 2004-11-25 |
ATE279986T1 (de) | 2004-11-15 |
US6783025B2 (en) | 2004-08-31 |
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