EP2654958A1 - Récipient de réaction doté d'un couvercle - Google Patents

Récipient de réaction doté d'un couvercle

Info

Publication number
EP2654958A1
EP2654958A1 EP10798970.9A EP10798970A EP2654958A1 EP 2654958 A1 EP2654958 A1 EP 2654958A1 EP 10798970 A EP10798970 A EP 10798970A EP 2654958 A1 EP2654958 A1 EP 2654958A1
Authority
EP
European Patent Office
Prior art keywords
vessel
lid
locking
tab
lidded
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.)
Granted
Application number
EP10798970.9A
Other languages
German (de)
English (en)
Other versions
EP2654958B1 (fr
Inventor
Jürgen Löhn
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.)
Eppendorf SE
Original Assignee
Eppendorf SE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eppendorf SE filed Critical Eppendorf SE
Publication of EP2654958A1 publication Critical patent/EP2654958A1/fr
Application granted granted Critical
Publication of EP2654958B1 publication Critical patent/EP2654958B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/08—Ergonomic or safety aspects of handling devices
    • B01L2200/087—Ergonomic aspects
    • 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
    • B01L2300/04—Closures and closing means
    • B01L2300/041—Connecting closures to device or container
    • B01L2300/042—Caps; Plugs
    • 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
    • B01L2300/04—Closures and closing means
    • B01L2300/041—Connecting closures to device or container
    • B01L2300/043—Hinged closures
    • 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
    • B01L2300/08—Geometry, shape and general structure
    • B01L2300/0832—Geometry, shape and general structure cylindrical, tube shaped

Definitions

  • the invention relates to a lidded plastic container for laboratory use.
  • Lidded vessels of the type mentioned typically have a capacity of a few tens of milliliters or a few milliliters or a milliliter or less.
  • Known plastic lidded containers for laboratory use have a tubular vessel having a bottom of a vessel bottom, a top of a vessel opening and below the Gefäßöffiiung on the inner wall has a sealing area.
  • a lid having a lid bottom and a stopper protruding from the inside of the lid bottom is insertable through the vessel opening into a sealing position in the sealing area. The lid is sealed and held by the clamping force of the plug in the vessel.
  • PCR Polymerase Chain Reaction
  • a lidded vessel of the type described above in which the vessel and lid are integrally connected to each other in a pivotable manner via a hinge band.
  • the lid has one of a laterally projecting lid flange downwardly projecting locking hook and the vessel next to the Gefäßöff ung in a closed position from the locking hook
  • CONFIRMATION COPY behind engaged locking cam on When closing the lid of the rigid locking hook snaps under elastic deformation of the cover flange behind the locking cam, whereby the lid is secured in the closed position. To open the lid, the user must push up the lid flange so that it is bent upwards and the locking hook is released from the locking cam. For this purpose, locking hook and locking cam only a small overlap. Due to the low overlap, the locking hook can unintentionally release from the locking cam, for example, when the internal pressure in the vessel increases. When opening the lid, the locking hook can jerky release from the locking cam, which liquid sample can be sprayed from the vessel.
  • the lidded container has a support device which stabilizes the lid in an intermediate position between a starting position pivoted away from the vessel opening by approximately 180 ° and a closed position at the vessel opening.
  • two parallel forks extend between the hinge straps from the vessel flange, between which a gap parallel to the hinge b is formed.
  • the forks have locking edges.
  • a detent nose is aligned, which is connected at its tip with the cover flange and has locking projections on both sides of its root.
  • the locking lug is aligned with their locking projections perpendicular to the cover flange. If the lid is closed in the direction of the vessel opening, then the detent nose enters the gap between the fork tines and pushes them slightly apart with their locking projections. When the locking projections come under the locking edges of the forks, they snap something together.
  • the support device has a latching nose, which is designed as a towering from the plane of Gefackedflansches hook.
  • the locking lug is arranged between flexible middle portions of two parallel hinge bands, which are connected at one end to the vessel flange and the other end to the cover flange.
  • the cover flange has a locking edge aligned perpendicular to its pivoting plane between the hinge straps. A flexibility of the locking lug or hinges allows when closing the lid, that the locking edge is lifted over the end of the latch. If you then let go of the lid, it is pressed due to the elasticity of the central portions with the locking edge against the locking lug so that it remains in this stable pivot position in which the vessel is open.
  • the lid is pivoted further and snapped with the locking hook behind the locking cam.
  • This is disadvantageous that the achievement of the intermediate position can be hampered by the flexibility of the hinge straps.
  • the user presses against the outer edge of the cover flange when swiveling from above he shifts the cover downwards due to the flexibility of the hinge strips.
  • the locking edge meets at a low point on the locking lug and can only be pressed with great effort on the end of the locking lug.
  • a disadvantage of both embodiments is that the stability of the opening position of the lid depends on the elasticity of the band sections. If the elasticity decreases, for example due to a multiple closing and opening of the lid, or due to heating or cooling of the vessel, the lid may become unavailable. carefully move out of the predetermined intermediate position and completely or partially close the vessel opening. This can affect the filling and emptying of the lidded vessel.
  • two parallel hinge bands are also arranged between the vessel flange and the cover flange, the flexibility of which is essentially concentrated in the narrowly limited area of a pivot axis.
  • Vessel flange and cover flange are connected by another hinge strap, which is arranged between the hinge straps.
  • the other hinged band has at one end a joint to the vessel flange and at the other end a hinge to the cover flange. Between these two joints, it is relatively thin, so that it is elastically extensible. After injection molding the lidded container, the lid is angled at about 180 ° from the vessel opening. In this starting position, the further hinge band is not stretched.
  • a disadvantage of this lidded container is that because of the narrowly defined region of the pivoting axis, the hinge straps do not permit any compensatory movement during insertion of the inventive sealing collar into the vessel opening. As a result, the closing of the lid is difficult. In the embodiments with flexible middle portions of the hinge bands, however, allow the flexible middle portions a compensation, which facilitates the coaxial insertion of the sealing collar into the vessel.
  • EP 1 731 443 A1 describes a reaction vessel with a lid which can be opened via a lever mechanism.
  • the lever must be pressed from above. As a result, it can lead to incorrect operation, for example, when lidded vessels are removed from a fully loaded centrifuge or from a fully loaded container stand. Furthermore, the plug of the lid is kept short, so that the vessel has a low vapor-tightness. If the stopper were to be extended, the lever would need to be extended to provide easy opening, further increasing the risk of misuse.
  • US 3,934,722 describes a package for sterile needles with a lid which can be opened via a lever mechanism.
  • a lever is hinged on a film hinge, which is placed with its inner lever arm on a vessel flange.
  • the plug of the lid is levered out of the vessel.
  • the lid is secured in the closed position only by the clamping force of the plug in the vessel.
  • the lever is used exclusively for opening the vessel.
  • US 5,674,456 describes a substantially rectangular container for medical samples with a lid which can be closed or opened via a snap closure.
  • the closure is attached to the front of the lid. It has a vertical, two-armed lever which is centrally connected to the edge of the lid.
  • the lower lever arm has a hook, which engages in the closed state of the lid a projection on the edge of the vessel.
  • the upper lever arm is provided with an outwardly projecting button. By pressing against the button from below the hook from the detent position under the locking projection can be lifted. The button is exposed so that incorrect operation is easily possible.
  • US Pat. No. 6,398,067 B1 describes a tamper-resistant lidded container in which the vessel has a detachable projection at the upper edge which has a hook and a break point.
  • a lid has a hinge and a tab having first and second slots capable of receiving the projection.
  • the second slot has a locking device.
  • the projection In the empty and closed state of the container, the projection is arranged in the first slot.
  • the protrusion In a filled and closed state, the protrusion is disposed in the second slot and the hook engages a latch to form a tamper resistant closure.
  • To open the lid the user must press with a sufficient force from below against the tab, so that the detachable projection breaks off at its breaking point.
  • WO 95/13137 AI describes a Deckenigeffuses with a lock fuse, which is actuated by turning the lid relative to the vessel. To open the lidded container, the lid must be rotated in the opposite direction with respect to the vessel and then pulled out of the vessel with the stopper. This requires two-handed operation.
  • the present invention seeks to provide a lidded plastic container for laboratory use, which can be easily closed, closes securely and can be easily opened.
  • lidded vessel with the features of claim 1.
  • Advantageous embodiments of the lidded vessel are specified in subclaims.
  • the lidded container made of plastic for laboratory use has
  • a lid having a lid bottom and a stopper protruding from the inside of the lid bottom, which can be inserted through the vessel opening into a sealing position in the sealing area, and
  • locking means for releasably locking the lid to the vessel with • At least one at the top of the vessel radially outwardly projecting locking projection
  • the lidded container according to the invention can be closed in a conventional manner by the lid is introduced with the stopper in the vessel opening and placed in sealing position in the sealing area.
  • the user can press against the rigid lid bottom.
  • the locking edge or an adjacent contour of the flexible tab slides over the locking projection and thereby the flexible tab is deflected slightly laterally outwards.
  • the locking edge reaches the lower edge of the latching projection and is pivoted by the elastic tab under the underside of the latching projection.
  • Due to the flexibility of the tab no appreciably greater force is required for closing the lid container than when closing conventional lid containers which have no latching.
  • Closing and opening can be done with just one hand. A sufficient safety against automatic opening need not be realized by a larger overlap or clamping force between sealing plug and vessel. The associated higher closing and opening forces are avoided.
  • the plug can sit in the sealing position with a relatively low clamping force. This clamping force can be measured so that a sufficient vapor-tightness is ensured. Due to the low clamping force, the lid can be easily lifted after loosening the catch, without the lid suddenly jumping up and liquid being spilled or aerosols escaping. It is particularly advantageous that the user can close the lidded container in a conventional manner by pushing up against the lid base and open the lidded container in approximately conventional manner by pressing the tab outwards and from below against the lid.
  • lidded vessel with the features of claim 2.
  • Advantageous embodiments of the lidded vessel are specified in subclaims.
  • the lidded container made of plastic for laboratory use has
  • a tube-shaped vessel which has a bottom of the vessel, at the top a vessel opening and below the vessel opening on the inside wall a sealing area,
  • a lid having a lid bottom and a stopper protruding from the inside of the lid bottom, which is insertable through the vessel opening into a sealing position in the sealing area, and
  • locking means for releasably locking the lid to the vessel with
  • At least one latching projection projecting radially outward at the upper edge of the vessel
  • the lidded container according to the invention can be closed in a conventional manner by the lid with the stopper inserted into the vessel opening and placed in sealing position in the sealing area.
  • the user can press against the rigid lid bottom.
  • the locking edge or an adjacent contour of the flexible tab slides over the locking projection and thereby the flexible tab is deflected slightly laterally outwards.
  • the locking edge reaches the lower edge of the latching projection and is pivoted by the elastic tab under the underside of the latching projection.
  • Due to the flexibility of the tab no appreciably greater force is required for closing the lid container than when closing conventional lid containers which have no latching.
  • the opening of the lid container is easily possible by the user presses against the underside of the button.
  • the flexible tab is pivoted outwards and the locking edge is released from the locking projection.
  • the fact that the button protrudes laterally from the tab the pivoting movement of the tab is controlled to the outside when you press the button. In this way, a jerky release of the locking edge from the locking projection and a squirting of liquid sample can be avoided from the vessel.
  • By further pushing up the unlocked lid is moved out of the vessel with the stopper and the vessel is opened.
  • FIG. 1 shows a lidded container according to the invention in the closed state in side view
  • a series of crenellated projections 10.1 which serve the Ab support on the edge of a vessel holder.
  • the outer edge of the lid bottom 12 is connected via a hinge band 14 with the upper edge of the vessel 2.
  • the hinge band 14 is connected to the longer rectilinear lid edge 12.2.
  • the hinge band 14 comprises two parallel, spaced-apart hinge bands 14.1, 14.2. (Fig. 8)
  • the hinge straps 14.1, 14.2 each have a stiffer first portion 14.11, 14.21 connected to the upper edge of the vessel 2, and a more flexible elastic portion 14.12, 14.22 adjacent thereto and one adjacent to the outer edge of the lid bottom 12 second stiffer section 14.13, 14.23.
  • the hinge strips 14.1, 14.2 are integrally connected by injection molding with these vessel parts.
  • the hinge strips 14.1, 14.2 have between the flexible sections 14.12, 14.22 and the second stiffer sections 14.13, 14.2.3 inside a respective shoulder 15.1, 15.2, the axial engagement means form (Fig. 6b, c). Between the hinge straps 14.1, 14.2 V-shaped Rastaufhahmen 16.1, 16.2 are arranged on the two sides of a side of the vessel 2 projecting support 17. The V-shaped locking receptacles 16.1, 16.2 are each up and laterally to the adjacent hinge bands 14.1, '14.2 out open. They are limited by receiving edges 16.11, 16.12, 16.21, 16.22 which are directed radially to the pivoting path of the cover 11. (FIGS. 6c, 7b). The latching attachments constitute further axial engagement means.
  • the carrier 17 comprises the carrier part 17.1, which protrudes radially from the edge of the vessel.
  • the support member 17.1 carries a narrow, disc or rib-shaped top Carrier part 17.2.
  • the disc-shaped support part 17.2 is provided on the two flat outer sides with the latching mountings 16.1, 16.2 (FIG. 6).
  • the button 21 is disposed in the undeflected state, which is shown in Figures 4 and 5, below a congruent or slightly larger lid recess 26 in the lid projection 18.
  • the lidded vessel 1.1 is manufactured by injection molding in the open configuration shown in FIGS. 6 and 7. Due to the shape free of undercuts, the lidded vessel 1.1 can be produced by means of a simple injection molding tool without slides, the tool parts of which must be moved apart for removal from the mold only along an axis.
  • the cover 11 can be closed by pivoting from the open position shown in FIGS. 6 and 7.
  • the user presses against the outside of the lid base 12.
  • the lid 11 can be locked by forcing the shoulders 15.1, 15.2 into the latching receivers 16.1, 16.2.
  • the deflection of the shoulders 15.1, 15.2 laterally outward and backward by the flexibility of the shoulders 15.1, 15.2 and strip areas 14.12, 14.22 allows.
  • the shoulders 15.1, 15.2 reach the area of the latching receptacles 16.1, 16.2
  • the shoulders engage behind in the receiving edges 16.11, 16.21 and the lid 11 is held in this Halteposirion by the elasticity of the hinge bands 14.1, 14.2.
  • the shoulders 15.1, 15.2 emerge at the top from the openings of the locking receptacles 16.1, 16.2 and do not collide with the receiving edges 16.12, 16.22.
  • the Receiving edges 16.12, 16.22 can alternatively be arranged so that they are in the swivel range of the shoulders 15.1, 15.2 and the Rastauf imputes 16.1, 16.2 the shoulders 15.1, 15.2 record positively.
  • the shoulders 15.1, 15.2 have to be expressed by taking advantage of their flexibility from the locking receptacles 16.1, 16.2 to zuzuschwenken the lid 11.
  • the lid 11 pivots with the stopper 13 into the vessel opening 6, which is facilitated by the extended insertion area 7. Thereafter, the sealing bead 13.2 is introduced into the sealing area 8.
  • the key 21 reaches with its radius 25 on the radius 27 of the locking projection 9.2, as shown in Fig. 10.
  • the tab 20 is deflected laterally outwards. Due to the flexibility of the tab 20 and bevels 24, 28 of the key 21 and the locking projection 9.2 this requires a slightly increased effort.
  • the latching edge 23 has reached the latching edge 29 of the latching projection 9.2 (see Fig. 11)
  • the tab 20 springs towards the vessel 2 and the inner edge of the button 21 engages under the latching projection 9.2 (FIGS. 4, 5). As a result, the locking takes place and the lid 11 secured to the vessel 2.
  • the user pushes against the button 21 from below, so that it is deflected laterally, as shown in FIGS. 11 and 12.
  • the lid 11 is moved out of the container opening 6 with the stopper 13 and opened.
  • the lid 11 is securely locked by the shoulders 15.1, 15.2 are engaged in the locking receptacles 16.1, 16.2 (Fig. 8, 9).
  • the latching according to FIG. 14 differs from the above-described latch latching in that the latching projection 9. 2 has a chamfer 30 on the underside. The chamfer 30 is inclined to the vessel 2 upwards.
  • the cover vessel 1.6 according to FIGS. 20 and 21 has three cover detents 9.2, 19 which are distributed uniformly over the circumference. These are each formed corresponding to the cover catch 9.2, 19 of the cover vessel 1.1 of FIGS. 1 to 12. Between the lid 11 and vessel 2, a hinge is present.
  • the lid 11 can be locked evenly with the vessel 2. As a result, the security against unintentional opening of the vessel and increased density can be achieved. This is especially true for lidded vessels with a relatively large diameter (eg with a volume of 10 milliliters and more).
  • the lid 11 is closed by pressing in the vertical direction down to the vessel 2 until all locking has taken place.
  • To open all the buttons 21 at the same time or initially two buttons 21 and then another button 21 or the buttons 21 can be operated in sequence to the lid 11 gradually from the locking projections 9.2. to solve the flange 9.1 of the vessel 2.
  • FIGS. 22 and 23 show a lid vessel 1.7 with keys 21.2 which are less pronounced than in the previously described embodiment.
  • the keys 21.2 can optionally be operated with the thumb. It is also possible, in this Deckelgefin 1.7 the lid 11 by pressing upwards from the vessel 2 to solve.

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)
  • Devices For Use In Laboratory Experiments (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Abstract

L'invention concerne un récipient à couvercle en matière plastique pour l'utilisation en laboratoire comprenant un récipient de forme tubulaire, qui présente, en bas, un fond de récipient, en haut, une ouverture de récipient, et au-dessous de l'ouverture de récipient, sur la paroi interne, une zone d'étanchéité, un couvercle qui présente un fond de couvercle et un bouchon faisant saillie à partir du côté interne du fond de couvercle, ce bouchon pouvant être inséré dans la zone d'étanchéité à travers l'ouverture de récipient dans une position de fermeture étanche, et des moyens de verrouillage pour un verrouillage détachable du couvercle avec le récipient, comprenant au moins un épaulement d'enclenchement faisant saillie vers l'extérieur de façon radiale sur le bord supérieur du récipient, au moins une bride flexible et élastique faisant saillie à partir du côté inférieur du fond du couvercle, sur laquelle est disposée une arête d'enclenchement espacée du fond du couvercle, verticalement au-dessous du point d'attache de la bride au fond du couvercle, ladite arête pouvant être encliquetée par insertion du bouchon dans la zone d'étanchéité sous l'épaulement d'enclenchement.
EP10798970.9A 2010-12-23 2010-12-23 Éprouvette avec couvercle Active EP2654958B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2010/007907 WO2012083995A1 (fr) 2010-12-23 2010-12-23 Récipient de réaction doté d'un couvercle

Publications (2)

Publication Number Publication Date
EP2654958A1 true EP2654958A1 (fr) 2013-10-30
EP2654958B1 EP2654958B1 (fr) 2016-12-21

Family

ID=44513280

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10798970.9A Active EP2654958B1 (fr) 2010-12-23 2010-12-23 Éprouvette avec couvercle

Country Status (4)

Country Link
EP (1) EP2654958B1 (fr)
JP (1) JP6067577B2 (fr)
CN (1) CN103347613B (fr)
WO (1) WO2012083995A1 (fr)

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WO2019170651A1 (fr) 2018-03-07 2019-09-12 Eppendorf Ag Récipient à couvercle en matière synthétique pour l'utilisation en laboratoire
US11040806B2 (en) 2017-12-15 2021-06-22 Husky Injection Molding Systems Ltd. Closure cap for a container

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US10137447B1 (en) 2017-05-17 2018-11-27 Biotix, Inc. Ergonomic fluid handling tubes
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JP2022021561A (ja) * 2020-07-22 2022-02-03 デンカ株式会社 採尿容器
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CN114295893B (zh) * 2021-12-23 2024-02-09 苏州乐普斯电子有限公司 针电极阻抗测试装置

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Publication number Priority date Publication date Assignee Title
US11040806B2 (en) 2017-12-15 2021-06-22 Husky Injection Molding Systems Ltd. Closure cap for a container
WO2019170651A1 (fr) 2018-03-07 2019-09-12 Eppendorf Ag Récipient à couvercle en matière synthétique pour l'utilisation en laboratoire

Also Published As

Publication number Publication date
CN103347613A (zh) 2013-10-09
JP2014507256A (ja) 2014-03-27
EP2654958B1 (fr) 2016-12-21
JP6067577B2 (ja) 2017-01-25
WO2012083995A1 (fr) 2012-06-28
CN103347613B (zh) 2016-01-06

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