EP0487448A1 - Récipient à réaction en matière synthétique pour petites quantités de liquide - Google Patents

Récipient à réaction en matière synthétique pour petites quantités de liquide Download PDF

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Publication number
EP0487448A1
EP0487448A1 EP91810845A EP91810845A EP0487448A1 EP 0487448 A1 EP0487448 A1 EP 0487448A1 EP 91810845 A EP91810845 A EP 91810845A EP 91810845 A EP91810845 A EP 91810845A EP 0487448 A1 EP0487448 A1 EP 0487448A1
Authority
EP
European Patent Office
Prior art keywords
lid
reaction vessel
vessel
bending tab
vessel according
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.)
Withdrawn
Application number
EP91810845A
Other languages
German (de)
English (en)
Inventor
Ralph Altherr
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.)
Treff AG
Original Assignee
Treff AG
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 Treff AG filed Critical Treff AG
Publication of EP0487448A1 publication Critical patent/EP0487448A1/fr
Withdrawn legal-status Critical Current

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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—Rigid containers without fluid transport within
    • B01L3/5082—Test tubes per se
    • B01L3/50825—Closing or opening means, corks, bungs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/16—Devices preventing loss of removable closure members
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00—Closure fasteners
    • Y10S292/38—Plastic latch parts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/087—Loops

Definitions

  • the invention relates to a reaction vessel made of plastic for small amounts of liquid.
  • reaction vessels which often replace test tubes, are e.g. known from German Ausleschrift 1 275 795 or European patent specification 149 797.
  • a lid is provided, which is usually molded onto the reaction vessel in one piece.
  • line 25 of DE-AS 1275 795 for example, a profile, for example an annular groove on the lid projection and a bead-like ring profile on the mouth of the vessel, can be provided for the positive connection of the lid and reaction vessel, so that the lid engages when it is put on .
  • EP-PS 149 797 also relates to a snap lock, but a hook-like attachment provided on the edge of the lid, which snaps over a locking edge, serves as the snap member.
  • Such snap locks are dependent in their function on the elasticity of the plastic used and thus last but not least on the effects of temperature or signs of aging. In practice it has been shown that such snap closures are used when the pressure in the reaction vessel increases significantly, e.g. do not remain reliably closed when heating, shaking or falling.
  • the object of the invention is to avoid the disadvantages of the known, in particular to create a reaction vessel made of plastic which can be reliably secured in the closed state, which is nevertheless easy to open and which can be manufactured simply and economically.
  • reaction vessel according to the characterizing part of claim 1.
  • a securing device is provided according to the invention, with which the lid and vessel are connected in a form-fitting manner.
  • the positive connection by means of the securing device ensures a firm connection between the lid and the vessel.
  • the security device e.g. has a bending tab with at least one opening, this can easily be made in one piece from the plastic of the lid and / or the vessel, in particular it can be injection molded.
  • the locking pin over which the bending tab with its opening can be inserted and thus secured.
  • the reaction vessel, lid and securing device can be arranged in such a way that they can be produced in one piece and in one operation using the injection molding process, which ensures economical production.
  • the invention can be implemented and handled particularly easily if the bending tab is attached to the lid and the securing pin is attached to the vessel. Especially in terms of injection molding simple solutions can be found with fast injection molding cycles.
  • the lid is connected on one side to the edge of the vessel by a bending web, it may be sufficient if, for example, a bending tab is provided in the region radially opposite the connecting web for securing the lid. As can be seen, the lid is held firmly on the opening of the reaction vessel on the one hand by the bending tab of the securing device and on the other hand by the bending or connecting web.
  • the securing pin has at least one latching edge on its side opposite the opening of the cover. In this way, the bending tab can be positively jammed behind the locking edge, which prevents the bending tab from accidentally opening.
  • the spring element can be provided on the cover or on the vessel or can be designed as a separate component.
  • a projection adjacent to the bending tab is provided.
  • the projection can serve on the one hand to cover the bending tab so that it is not opened accidentally.
  • the projection can also be designed as a rigid push-off lug provided on the cover, in order to facilitate the opening of the cover and, above all, to enable it with one hand.
  • the securing device provided according to the invention can be provided in addition to the known snap-lock devices, for example according to DE-PS 1275 795. This makes it possible to close the safety device only when necessary, for example before centrifuging or before heat treatment of a reaction vessel, when temporary opening and closing, however, to leave the safety device inoperative.
  • the invention can be implemented in a particularly user-friendly manner if two push-off lugs are provided on the lid at a distance from one another, which run approximately in the plane of the lid and if the bending tab is arranged between the push-off lugs.
  • annular seal In terms of construction, such an inner seal can be easily realized if an annular seal is provided.
  • the seal can be used as a separate sealing element or as an elastic sealing part molded onto the lid and / or the vessel, e.g. be designed as a sealing lip.
  • a lid which surrounds the rim of the vessel in a cap-like manner and if the seal is arranged between the cap bottom and the rim of the vessel.
  • a reaction vessel 1 produced in the injection molding process is formed in one piece with a lid 2.
  • Reaction vessel 1 and lid 2 are connected by a web 3 such that web 3 on the one hand holds lid 2 captively on reaction vessel 1 and, on the other hand, according to FIG. 4, lid 2 is held in its hinge-like position by web 3 in the closed state.
  • the cover 2 has a cylindrical sealing part 4, which is provided at the end with a bead-like sealing element 4a.
  • the sealing element 4a snaps into a corresponding annular recess 1a in the inner wall of the reaction vessel 1. In this respect, it is a snap closure, the sealing element 4a taking on the double function of sealing and snapping.
  • two projections 5, 6 are provided, which take over the function of push-off lugs.
  • the user can simply use press your thumb against the projection 5 or 6 and push the sealing part 4 upwards out of the vessel 1.
  • a bending tab 7 with an opening 8 is arranged between the two projections 5, 6. In the unbent state, the bending tab 7 is aligned with the projections 5 and 6.
  • the bending tab 7 can be bent downwards in such a way that the opening 5 snaps over a securing pin 9 provided on the vessel 1.
  • the locking pin 9 has a locking edge 10 on its underside, which prevents the bending tab 7 from detaching itself from the locking pin 9.
  • a lip-like spring element 6a is provided on the cover 2 and is pressed together when the cover 2 is closed. This creates a force acting in the direction of arrow A (FIG. 4), which pulls the bending tab 7 behind the locking edge 10.
  • the bending tab 7 can simply be slipped over the locking pin 9 and the cover 2 then raised on the projections 5 and 6. This can also be done with one hand.
  • the cover 2 is secured in the closed state by the web 3 with its hinge function and the bending tab 7.
  • the web 3 with its hinge function and the bending tab 7.
  • the projections 5 and 6 protect the bending tab 7 particularly advantageously against unintentional opening.
  • the arrangement of the bending tab 7 on the lid 2 enables particularly simple manufacture and manipulation, embodiments are also conceivable in which the bending tab 7 is attached to the vessel 1 and the securing pin 9 to the lid 2.
  • FIG. 5 shows an exemplary embodiment of the invention, in which an elastic sealing ring 11 is arranged between the cover 2 and the rim 12 of the vessel 1. Particularly good sealing of the vessel 1 is brought about by the elastic sealing ring 11.
  • the lid 2 When closing, the lid 2 is first pressed so firmly into the vessel 1 that the bending tab 7 can be pushed over the locking edge 10 of the locking pin 9. Thereafter, the sealing ring 11 can relax again somewhat, the bending tab 7 being pulled firmly under the locking edge 10.
  • a lid 14 which surrounds the mouth of a reaction vessel 1 from the outside.
  • a bead-like sealing element 14a is provided on the cover 14, which surrounds the vessel mouth 15 in a sealing manner and snaps into a complementary groove 1a.
  • an annular elastic seal 16 is provided on the bottom of the cover 14, which seals the end face of the vessel mouth 15.
  • two bending tabs 7 are provided, which can be bent upwards in such a way that, analogously to the exemplary embodiments according to FIGS. 1 to 5, they can be pushed with openings 8 over locking pins 9 which are fastened to the lid 14.
  • the locking pins 9 are bordered on both sides by projections 5, 6, whereby the bending tabs 7 are also protected.

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)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP91810845A 1990-11-19 1991-11-01 Récipient à réaction en matière synthétique pour petites quantités de liquide Withdrawn EP0487448A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3668/90 1990-11-19
CH366890 1990-11-19

Publications (1)

Publication Number Publication Date
EP0487448A1 true EP0487448A1 (fr) 1992-05-27

Family

ID=4260945

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91810845A Withdrawn EP0487448A1 (fr) 1990-11-19 1991-11-01 Récipient à réaction en matière synthétique pour petites quantités de liquide

Country Status (3)

Country Link
US (1) US5270011A (fr)
EP (1) EP0487448A1 (fr)
JP (1) JPH04267756A (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0651718A4 (fr) * 1992-07-20 1995-12-27 Innervision Inc Fermeture etanche a plusieurs couvercles pour recipients.
DE9418060U1 (de) * 1994-11-11 1996-03-14 SC - Sanguis Counting Kontrollblutherstellungs- und Vertriebs GmbH, 51588 Nümbrecht Probenröhre und Abschlußkappe, insesondere für Kapillar-Blutentnahme
EP0820813A3 (fr) * 1996-07-22 1998-09-16 Becton, Dickinson and Company Bouchon
WO2008148780A1 (fr) * 2007-06-05 2008-12-11 Endress+Hauser Wetzer Gmbh+Co. Kg Dispositif de détermination et/ou de surveillance d'une variable de processus
EP2138235A1 (fr) * 2004-03-16 2009-12-30 Prescribe Genomics Co. Récipient doté d'un couvercle
WO2012083995A1 (fr) * 2010-12-23 2012-06-28 Eppendorf Ag Récipient de réaction doté d'un couvercle
US8540948B2 (en) 2010-12-23 2013-09-24 Eppendorf Ag Lidded container
WO2019032636A1 (fr) * 2017-08-08 2019-02-14 Csp Technologies, Inc. Récipients étanches à l'humidité et leurs procédés de fabrication et d'utilisation

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US5354539A (en) * 1993-11-12 1994-10-11 Hovatter Kenneth R Microtube having press-to-seal and twist-to-lock closure cap
US5683659A (en) * 1995-02-22 1997-11-04 Hovatter; Kenneth R. Integral assembly of microcentrifuge strip tubes and strip caps
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US6312648B1 (en) 1998-01-12 2001-11-06 The United States Of America As Represented By The Department Of Health And Human Services Applicator system
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US7413083B2 (en) * 2002-04-11 2008-08-19 Csp Technologies, Inc. Desiccant vial assembly for effervescent tablets
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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0651718A4 (fr) * 1992-07-20 1995-12-27 Innervision Inc Fermeture etanche a plusieurs couvercles pour recipients.
DE9418060U1 (de) * 1994-11-11 1996-03-14 SC - Sanguis Counting Kontrollblutherstellungs- und Vertriebs GmbH, 51588 Nümbrecht Probenröhre und Abschlußkappe, insesondere für Kapillar-Blutentnahme
EP0820813A3 (fr) * 1996-07-22 1998-09-16 Becton, Dickinson and Company Bouchon
US6161712A (en) * 1996-07-22 2000-12-19 Becton Dickinson And Company Ball and socket closure
US6705482B2 (en) 1996-07-22 2004-03-16 Steven Robert Savitz Ball and socket closure
EP1894630A1 (fr) * 1996-07-22 2008-03-05 Becton, Dickinson & Company Fermeture
US8123065B2 (en) 2004-03-16 2012-02-28 Prescribe Genomics Co. Container with lid
EP2138235A1 (fr) * 2004-03-16 2009-12-30 Prescribe Genomics Co. Récipient doté d'un couvercle
WO2008148780A1 (fr) * 2007-06-05 2008-12-11 Endress+Hauser Wetzer Gmbh+Co. Kg Dispositif de détermination et/ou de surveillance d'une variable de processus
WO2012083995A1 (fr) * 2010-12-23 2012-06-28 Eppendorf Ag Récipient de réaction doté d'un couvercle
US8540948B2 (en) 2010-12-23 2013-09-24 Eppendorf Ag Lidded container
WO2019032636A1 (fr) * 2017-08-08 2019-02-14 Csp Technologies, Inc. Récipients étanches à l'humidité et leurs procédés de fabrication et d'utilisation
US11325771B2 (en) 2017-08-08 2022-05-10 Csp Technologies, Inc. Moisture tight containers and methods of making and using the same

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US5270011A (en) 1993-12-14
JPH04267756A (ja) 1992-09-24

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