WO2000020118A1 - Ensemble comprenant des recharges de cones de pipette empilees - Google Patents
Ensemble comprenant des recharges de cones de pipette empilees Download PDFInfo
- Publication number
- WO2000020118A1 WO2000020118A1 PCT/FR1999/002374 FR9902374W WO0020118A1 WO 2000020118 A1 WO2000020118 A1 WO 2000020118A1 FR 9902374 W FR9902374 W FR 9902374W WO 0020118 A1 WO0020118 A1 WO 0020118A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- assembly according
- receptacle
- refill
- stack
- charger
- Prior art date
Links
Classifications
-
- 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
- B01L9/54—Supports specially adapted for pipettes and burettes
- B01L9/543—Supports specially adapted for pipettes and burettes for disposable pipette tips, e.g. racks or cassettes
-
- 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
- B01L3/02—Burettes; Pipettes
Definitions
- the invention relates to assemblies comprising stacked refills containing elements such as pipette tips.
- An assembly of this type comprising a series of stacked trays each carrying pipette cones, the trays being enclosed in an envelope of transparent material in the form of a tower closed at its upper end.
- the tower can receive a charger at its end lower, which temporarily secures the stack trays to each other.
- the trays being placed on top of each other in the stack, the tower must be turned over to place the charger at its upper end to avoid dispersion trays and cones. It is only then that the tower can be put back in place.
- the charger is in turn mounted on a rack or rack. The battery and the charger being thus received on the rack, the whole is arranged so that a downward pressure on the stack causes its descent and the loading of a tray on the rack.
- This type of tower has the advantages that its handling is relatively simple, that it saves space for the storage of the trays, and therefore the cones, and that it avoids direct contact of the user with the trays. and cones that may contaminate them.
- the assembly still remains relatively bulky and difficult to handle.
- An object of the invention is to provide a refill assembly that is simpler to handle and even less bulky.
- an assembly is provided according to the invention, for elements, in particular for pipette tips, comprising at least two refills capable of forming a stack by carrying elements, charging means for receiving the stack and separating one of the refills from the rest of the stack, and means for fixing the refills to one another in the stack, in which at least one of the refills comprises the fixing means.
- the fixing means comprise fixing parts able to be engaged according to a male-female assembly.
- the fixing means are compact.
- the loading means are able to urge the fixing parts in order to disengage them.
- the fixing means comprise on each refill an orifice and a lug capable of coming into engagement with the orifice of the other refill.
- the loading means comprise a member capable of urging the lug from one side of the orifice opposite the lug.
- the loading means are able to carry the battery before unlocking the fixing means.
- the battery is supported by the charging means before the user orders the release of a recharge of the battery.
- the loading means are capable of carrying the rest of the stack after unlocking the fixing means.
- the loading means are able to carry the battery or the rest of the battery by means of a single recharge.
- the assembly comprises means for fixing the battery to the loading means, in particular before unlocking the means for fixing the refills.
- the means for fixing the battery are capable of fixing to the loading means a single recharge of the battery.
- the assembly comprises means for fixing the remainder of the battery to the loading means, in particular after unlocking the means for fixing the refills.
- the assembly comprises means for fixing the remainder of the battery to the loading means, in particular after unlocking the means for fixing the refills.
- the means for fixing the rest of the stack are capable of fixing to the loading means a single recharge of the rest of the stack.
- the assembly comprises means for centering the stack on the loading means.
- the loading means comprise at least one mobile relief between a position blocking where it blocks a relative movement of one of the refills and a passage position where it allows movement.
- the assembly comprises means for returning the relief to the locked position.
- the relief is able to be moved from the blocking position to the passage position under the effect of a stress on the relief by the refill.
- the refill is released under the effect of a solicitation of the user in this sense on the whole, which reduces the risks of inadvertent release of the refill.
- the loading means are capable of unlocking the means for fixing the refills when the refill is in a position for using the elements.
- the loading means are capable of unlocking the means for fixing the refills under the effect of a displacement of the stack relative to the loading means.
- the loading means comprise a receptacle capable of receiving one of the refills in the position of use of the elements after its separation from the stack.
- the assembly comprises means for centering one of the refills on the receptacle.
- the charging means comprise a charger capable of receiving the battery, and a receptacle capable of receiving from the charger one of the refills in the position of use of the elements.
- the assembly includes means for centering the charger on the receptacle.
- the receptacle is able to receive the recharging of the charger under the effect of a displacement of the battery relative to the charger mounted on the receptacle.
- the assembly is arranged so that the battery offers greater resistance to said displacement when the charger is removed from the receptacle than when it is mounted on the receptacle.
- the receptacle is capable of unlocking the fixing means.
- the relief belonging to the loader, the receptacle is able to arrange the relief in an intermediate position between the blocking and passage positions or in the passage position, when the charger is received on the receptacle.
- the arrangement of the charger on the receptacle makes it easier to release the refill. This reduces the risk of release outside the receptacle without affecting the ease of releasing a refill on the receptacle.
- the assembly is arranged so that when the charger is not received on the receptacle, one of the refills cooperates by ramp effect with the charger to tend to maintain the relief in the blocking position when the battery is requested for said movement.
- the relief is integral with a tab extending in an opening of a wall of the loading means, in particular of the charger.
- the relief is secured to a flexible wall of the loading means, in particular of the charger.
- each refill comprises a plate and at least one rib parallel to the plate and extending projecting from a lateral face of the refill.
- This rib can cooperate with the relief for fixing and / or releasing the refill.
- each refill comprises a tray and spacers capable of supporting the tray on a flat support remote from it.
- the separate recharging of the battery can be directly used as a rack without having to be associated with a rack provided for its own, for example in the receptacle, as is the case in prior devices. It follows that disappears the problem which consisted in ensuring a good centering between the refill to be released and the receiving rack for a precise coincidence of their respective orifices, arranged in a matrix otherwise the release did not take place or else the cones were scattered.
- the receptacle, dispensed from carrying a rack at the origin can be used successively for receiving refills carrying elements of different dimensions.
- the racks can be provided to constitute in themselves an at least partially closed stack isolating from the outside the elements carried by at least some of the racks. The elements are thus protected from the environment.
- one of the orifice and the lug is contiguous with an edge of the plate.
- the assembly is arranged so that reception of a refill in the position of use on the receptacle results in rigid attachment of the refill to the receptacle.
- each refill comprises at least one lug capable of cooperating with a relief of the receptacle for the purpose of said rigid attachment.
- the assembly includes a base capable of directly supporting the battery when the charger receives the battery and the receptacle does not receive the charger.
- the receptacle comprises a cover and a wedge able to extend opposite the elements of a rack received in the receptacle to prevent their exit from the rack when the cover is closed, the wedge and the cover comprising removable fixing means. from the wedge to the cover.
- an assembly for elements, in particular for pipette tips comprising at least one refill capable of carrying elements by forming a battery with an identical refill, charging means for receiving the battery and separating the refill from the rest of the battery, and means for fixing the refill to the identical refill in the battery, in which the refill comprises the fixing means.
- FIG. 1 is a cutaway perspective view of a first preferred embodiment of the assembly according to the invention before loading a rack into the box;
- FIGS. 2 and 3 are two views on a larger scale of two details of Figure 1;
- - Figures 4 and 5 are views in respectively longitudinal and transverse section of the charger of Figure 1;
- Figure 6 is a view for half in longitudinal section and half in elevation of the assembly of Figure 1;
- FIG. 7 is an enlarged view of a detail of Figure 6 with the deformed parts
- Figures 8 and 9 are views similar to Figures 6 and 7 of the assembly of Figure 1 after loading a rack in the box;
- Figure 10 is a half side view and half in cross section of the assembly of Figure 1;
- Figure 11 is a view similar to Figure 10 showing the assembly after loading a rack
- FIG. 12 is an enlarged view of a detail of Figures 10 and 11;
- FIGS. 13 and 14 are perspective views of the box of Figure 1 respectively with a rack and without a rack;
- Figure 15 is a view half in elevation and half in cross section of the box of Figure 13;
- Figure 16 is a view in half in cross section and in side view of the box of Figure 13;
- - Figure 17 is a perspective view from below of a rack according to the second embodiment
- - Figure 18 is a perspective view from above of the box of the second embodiment cooperating with the rack of Figure 17;
- FIGS. 22 to 24 are views with partial cutaway respectively in perspective, in elevation and in perspective of the box of Figure 18 according to the second embodiment in the closed position and receiving a rack with a wedge;
- - Figure 25 is a perspective view of the assembly of Figure 24 with the box open;
- - Figure 26 is a perspective view of the cover of the box of Figure 22 alone;
- FIG. 27 is a perspective view of the wedge of Figure 22 alone;
- FIG. 28 is a perspective view of a base forming part of the second embodiment of the invention
- Figure 29 is a view of the assembly according to the second embodiment received on the base of Figure 28
- - Figure 30 is a view similar to Figure 29 with partial cutaway.
- the assembly of FIG. 1 is intended to carry elements such as in this case cones or pipette tips 3.
- the assembly comprises several refills 2, here identical the to each other, and in this case in the form of racks or racks. It also includes a receptacle, here in the form of a box 4, and a charger 6.
- the box and the charger constitute means of loading.
- Each rack has a generally flat plate 8, rectangular in plan.
- the plate 8 has, in a manner known per se, orifices 14 regularly arranged in a matrix with rows and columns, adapted to receive the pipette cones 3 and to support them.
- the plate 8 has upper 10 and lower 12 faces respectively slightly convex and concave. This makes it easier to take the pipette cones 3 by means of a multichannel pipette by promoting the successive engagement of the cones of a row on the respective channels of the pipette by a suitable rotation movement of the hand of the user.
- the rack 2 comprises two longitudinal walls 16 and two side walls 18 extending perpendicularly to the general plane of the plate 8, on the same side thereof, from its edges, giving the rack a general shape in rectangular parallelepiped .
- the rack has a profiled shoulder 20 capable of receiving the lower free edges of the longitudinal and lateral walls of another rack 2 when the two racks 2 are stacked directly on the other in homologous positions as in FIG. 1, their plates 8 being parallel.
- the plate 8 of the lower rack of the stack penetrates slightly between the walls 16, 18 of the upper rack. It follows that one obtains a centering and a timing of the two racks relative to each other.
- the longitudinal 16 and lateral 18 walls of the two racks then extending in continuity with one another, a certain isolation of the cones 3 is produced with respect to the environment.
- the racks are thus able to be stacked on top of each other to constitute a tower-shaped stack which will be, for example, before the start of the consumption of the cones, from ten to twelve racks.
- the stack shown in the figures has only four racks.
- the walls of each rack constitute spacers for supporting the rack on a flat support at a distance from which extends the plate 8 of the rack.
- the racks 2 comprise means for direct fixing to each other in the stack, constituted by fixing parts able to produce a male-female coupling for fixing the racks.
- each rack has two rectangular holes 22 formed in the plate 8 at the center of its side edges, being contiguous to the shoulder 20.
- each side wall 18 has in its middle, at its lower free edge, a lug 24 oriented towards the inside of the rack and able to come into engagement with the orifice 22 of the lower rack of the stack.
- This lug has a flat guide bottom face 26 inclined relative to the wall 18 carrying the lug and relative to the plate 8 while being oriented towards the lower rack of the stack.
- the orifice 22 has an upper edge intended to come into contact with this guide face 26 and having an upper guide facet 24 inclined relative to the plate 8 and to the adjacent side face 18 to be parallel to the guide face 26 of the lug.
- the guide face 26 of each lug 24 comes into surface contact with the facet 28 of the corresponding orifice 22, which urges outwards each side wall 18 carrying the lug 24 so that lug 24 crosses the edge of the orifice 22. Due to the elasticity of the material constituting this wall 18, the lug 24 is then returned towards the orifice 22 to be housed there.
- the edge of the orifice 22 contiguous to the underside 12 of the plate has a sharp male edge.
- the lug 24 has at its upper end a female upper profiled shoulder capable of receiving this edge. The edge and the shoulder are arranged so that, when the lug 24 is engaged with the orifice 22, the racks can only be separated by urging the lug 24 outwards.
- Each rack has a rectilinear rib 30 parallel to the plate 8 extending projecting from the external face of each longitudinal wall 16 being contiguous to the shoulder 20, and a rectilinear rib 32 parallel to the plate, extending protruding from the external face of each side wall 18 being contiguous with the free lower edge of this wall.
- the ribs 30, 32 are able to cooperate with the charger and the box as will be seen below.
- Each rack 2 can be made in one piece from plastic.
- the box 4 has a flat bottom wall 36, two longitudinal walls 38 and two side walls 40 extending perpendicularly from the bottom wall to give the box a general shape in rectangular parallelepiped. At their free upper edges, the longitudinal walls 38 have notches 42 facilitating the manual gripping of a rack 2 housed in the box, to extract it.
- the box 4 comprises a cover 44 of generally parallelepipedal shape connected by hinges to the rear longitudinal wall 38. When the lid is closed, the box isolates the rack contained in the box from the outside.
- the box has studs 46, 47 extending parallel to each other and parallel to the walls 38, 40, projecting from the bottom 36 of the box to a level close to that of the free upper edges of the walls.
- Six 46 of the studs are close to the center of the box (they will be called central) and six other studs 47, (which will be called peripheral) extend near the side walls 40, two in the vicinity of the vertical edges of each wall and one stud median in the vicinity of the center of the wall 40.
- the central studs 46 have in particular the function of supporting the plate 8 of the rack by its lower face 12 bearing on the studs when the rack is housed in the box.
- the peripheral studs 47 come into contact with the internal faces of the lateral 18 and longitudinal 16 walls of the rack to ensure its centering with respect to the box.
- the two median peripheral studs penetrate slightly into the respective orifices 22, in particular to complete this centering.
- the charger 6 comprises two longitudinal walls 50 and two side walls 52 generally parallel in pairs, giving it a general shape of rectangular parallelepiped and defining two mouths. At their lower free edge, the longitudinal walls 50 have a notch 54.
- the loader has a general median plane perpendicular to its walls 50, 52 and at its height, and separating the loader into two upper and lower parts, so that the length and the width of the upper part are less than those of the lower part. This difference in dimensions is obtained here by the "S" shape of the profile of each of the walls 50, 52.
- the transition between the two upper and lower parts is underlined by an inclined facet 56, while on their internal faces, it is provided by a shoulder forming a flat facet 58 perpendicular to the walls and oriented downwards.
- the length and width of the internal volume of the lower part are large enough to allow its engagement on the box 4 around it, unlike the dimensions of the upper part.
- the internal faces of the lower part have ribs 60 parallel to the height of the magazine, intended to bear against the external faces of the walls 38, 40 of the box to contribute to the centering of the magazine on the box.
- the ribs 60 are chamfered at their lower end to facilitate the engagement of the loader on the box.
- Each lug 70 has a flat upper face 72 inclined upwards, starting at its upper edge from the internal face, for move away from it towards the inside of the charger. The lug continues downwards through a flat lower face 74 perpendicular to the longitudinal internal face. Each lug 70 is contiguous to the upper edge of the wall 50 and extends midway between the longitudinal midpoint of this edge and one of its ends.
- the longitudinal ribs 30 of the rack situated at the lower end of the stack come to bear on the inclined upper faces 72 of the pins 70.
- the four pins 70 are able to support the battery in this position which we will call “extreme high” or “high position not fixed", the rack or the battery can at this stage be extracted from the charger from above.
- the side walls 52 at the top of the loader each have two vertical ribs 76 extending projecting from the internal face of this wall. The ribs 76 contribute to wedging and centering of the lower rack of the stack in the charger, coming to bear against the lateral ribs 32 of the rack.
- These ribs 76 have a chamfered upper end to facilitate the insertion of the rack 2 or the battery into the charger.
- the longitudinal walls 50 at the top of the loader each have a rectilinear rib 78 with a triangular profile extending horizontally projecting from the internal face, lower than the pins 70, in line with the space between them but not to the right of these.
- This rib 78 has two upper and lower faces respectively inclined upwards and downwards.
- the side walls 52 at the bottom of the charger each have two openings or days 80 of rectangular shape in which extend respective legs 82 of homologous shape.
- Each tab 82 is connected to the associated wall 52 by its single upper edge, which makes the tab 82 movable in elastic bending through the opening 80 both inwards and outwards of the magazine 52. In its position unsolicited, each tab 82 extends in the thickness of the wall.
- the external face of the tab has an "S" shape identical to that of the wall.
- Each lug 82 has a lug 84 oriented towards the inside of the charger and projecting from the inside face of the side wall 52 in the non-stressed position of the lug.
- This lug 84 has two upper ribs 86 located at a distance and facing one another, at the same height, and each having an upper chamfer.
- the two ribs 86 can be replaced by a chamfer and a vertical face (which amounts to filling the free space between the two ribs 86 with material).
- the lug 84 also has a tip 88 horizontally profiled, extending inwardly projecting from the ribs 86 while being very slightly oriented upwards in the unsolicited position of the tab.
- the longitudinal ribs 78 of the rack and the tips 88 of the lugs lock, in the absence of solicitation by the user, the continuation of the descent of the stack.
- the longitudinal lugs 70 of the loader block the longitudinal ribs 30 of the rack against a rise of the rack relative to the loader.
- the stack of racks 2 is therefore fixed to the charger 6 and this through the only rack located at the lower end of the stack.
- the sub-assembly can therefore be freely manipulated in any direction without fear of the racks being dislocated.
- the assembly according to the invention advantageously comprises a rack cover 90 in all points identical to the racks 2, except that its plate 8 is devoid of orifice 14 for receiving the cones and of fixing orifices 22.
- the legs 82 of the charger have at their lower end chamfers 91 oriented downwards and defined either by a face of the tab, either by ribs thereof, as illustrated, extending projecting from the face internal of the side wall 52 in the non-stressed position of the tab.
- These chamfers 91 are particularly visible in Figures 4, 5, 7 and 9.
- FIG. 2 illustrates the parts assembled but not deformed while the tab in this position is normally deformed so that the lug 88 leaves the path of the rack free.
- the central studs 46 and peripheral 47 of the box already extend very slightly between the walls of the lower rack.
- the median peripheral studs 47 come to bear by their upper end against the inclined lower face 26 of the lateral lugs 24 of the rack to initiate their mutual spacing, that is to say their displacement towards the outside, as shown in the FIG. 2.
- the ribs 60 ensure the centering of the charger 6 (and therefore of the rack tower) relative to the box 4.
- the longitudinal ribs 30 of the lower rack force the longitudinal ribs 78 of the loader to move away with the walls 50 which carry them, which allows the moving the rack down until it is received in the box.
- the median peripheral studs 47 further move the lugs 24 of the lower rack outward by ramp effect from the end of the stud on the face 26 of the lug.
- the upper end of the middle peripheral studs 47 comes to bear from the inside of the lower rack, through each orifice 22, with the lug 24 associated with the immediately upper rack in the stack.
- the stud 47 urges this lug by its lower face 26, which moves it outwards by ramp effect. This displacement is sufficient to disengage the lug 24 from the immediately upper rack from with the orifice 22 of the rack about to be received in the box, thus unlocking the means for fixing the racks.
- each rack may have, at each location of its lower edge intended to come opposite the lug 88, a lower face of the ramp 91 inclined and oriented towards the interior of the rack, and capable of coming in surface contact with an upper face of the ramp 93 of the associated lug 88 inclined and oriented towards the side wall 52 of the charger which carries the tab 82.
- the box the dimensions of which are not linked to the dimensions of the cones 3, can be associated with stacks of racks 2 containing cones of different diameters. As the racks are consumed, the height of the assembly decreases, which saves space.
- FIGS. 17 to 30 A second preferred embodiment of the invention will now be described with reference to FIGS. 17 to 30.
- the assembly is very close to that of the first embodiment. However, it incorporates a certain number of variants which can moreover be implemented independently of one another.
- the rack 2 in the position of use in the box 4 is rigidly fixed to the latter by friction in particular by the contact of the median studs 47 with the lateral lugs 24. The rack is therefore tight on the box.
- the autoclaving comprises a step of bringing to 121 ° C for 20 minutes. But we note that under the effect of heat, the plastic material of the rack softens and that the rack deforms so that the tightening becomes zero. After autoclaving, the assembly cools but the parts keep their deformation: there is no more tightening. Consequently, the rack is no longer attached to the box, which then poses problems when users pick up cones or overturn the box.
- Each rack 2 comprises above each lug 24 another lug 101 extending like it projecting inward.
- the median studs 47 used for unlocking have on their peripheral face a cavity 100 in which the corresponding lug 101 is housed, once the rack 2 has been received in the box 4 in the position of use.
- the lug 101 is housed in this cavity due to the elasticity of the wall 18 which is elastically deformed just before receiving the rack in the box.
- the cavity 100 forms an edge with which the lug 101 engages to prevent the rack 2 from being separated from the box except when a particularly significant stress in this sense is exerted on the part of the user. This gives them mutual rigid fixation. In this position, the pin 101 can be received in the cavity possibly without exerting a constraint on the median stud.
- the assembly can undergo successive autoclavings without harming the fixing of the rack to the box.
- the autoclaving produces no deformation.
- the assembly according to the invention can therefore undergo repeated autoclaving.
- Another variant incorporated in this present mode consists in producing at least one planar rib 102 parallel to the studs of the box and connecting some of them to reinforce them.
- the rib 102 extends in the median longitudinal plane of the box and connects the median peripheral studs 47 to one another.
- the charger 6 supports the stack of racks 2 while being outside the box 4, the stack of racks rests on the lugs 88 and therefore on the flexible legs 82. Or , it may be that under the effect of a shock, the stack of racks exerts on these legs a stress which causes the rupture of at least one of these legs.
- the assembly according to the second embodiment comprises a base 106, with reference to Figures 28 to 30.
- the base is made in one piece. It has a central body 108 having a shape and dimensions close to those of a rack 2 except that it does not have a tray between the upper edges of its walls, but on the other hand it has a bottom 110 between their edges lower.
- the rectangular upper edge 112 of this central body is capable of directly supporting the lower edge of the lowest rack 2 of the stack. To this end, it has cutouts, in particular to provide a volume receiving the lugs 24 of the rack.
- the base 106 further comprises a rectangular peripheral flange 112 surrounding the central body 108 at a distance therefrom, and slightly lower than the latter.
- the central body 108 rises by slightly converging while the collar 112 rises by slightly diverging.
- the base 106 is intended and capable of receiving the charger 6 supporting a stack of racks when it is removed from the box 4, as in FIGS. 29 and 30.
- the charger 6 is placed on the base 106 by introducing its walls between the central body 108 and the flange 112.
- the central body entering the charger comes into contact with the lower edge of the lower rack 2 of the stack which it supports. Consequently, the legs 82 of the charger no longer carry the stack of racks.
- the stack of racks can therefore absorb strong shocks without risking damage to the charger. We can then freely remove from the base 106 the charger 6 and the battery to replace them on the box 4.
- ribs 114 have been formed on the collar 112 which form on the internal face of the collar ribs with a semi-circular transverse profile.
- the walls of the charger are wedged between the gadroons 114 and the central body 108. This gives friction fixing of the charger to the base.
- some gadroons are arranged to extend opposite the legs 82.
- the assemblies according to the two embodiments of the invention are intended to be able to receive different models of pipette cones, in particular cones whose collar height varies, the collar being the widest part of the cone extending above the rack tray when the cone is carried in the rack.
- the assembly according to the second embodiment comprises a shim 120 comprising a flat rectangular body 121 with perforations having openings 122.
- the body generally has the same shape and the same dimensions as the upper plate 8 of the racks 2.
- the shim 120 has lateral tabs 124, for example 2 in number, capable of penetrating into non-through holes 126 in the side walls of the cover 44 to fix the shim to the cover in a removable manner. These holes 126 extend here near a lower edge of the cover in the closed position.
- the legs 124 therefore have an inclined shape.
- the wedge further comprises spacers 126 in the form of fingers, extending from a flat face of the body 121 in the direction of the bottom of the cover 44 to maintain a minimum spacing between the body 121 and the bottom of the cover.
- the wedge 120 When the cones with low collar height are stored in the box, the wedge 120 is mounted in the cover 44. When the latter is closed, the body 121 comes opposite the collars, in the immediate vicinity thereof and prevents them from leaving the rack, even if the box is turned over. If you store cones with a higher flange height, simply remove the shim 120 from the cover before closing the latter.
- Each of the elements among the charger, the box and its cover can be made in one piece, for example plastic.
- the assembly may have to carry elements such as ice cream cones.
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- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Stackable Containers (AREA)
- Battery Mounting, Suspending (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002312821A CA2312821C (fr) | 1998-10-06 | 1999-10-05 | Ensemble comprenant des recharges de cones de pipette empilees |
US09/555,821 US6534015B1 (en) | 1998-10-06 | 1999-10-05 | Assembly comprising stacked pipette cone refills |
KR1020007006154A KR100627146B1 (ko) | 1998-10-06 | 1999-10-05 | 적층식 피펫 콘 리필 조립체 |
EP99970038A EP1035922A1 (fr) | 1998-10-06 | 1999-10-05 | Ensemble comprenant des recharges de cones de pipette empilees |
JP2000573472A JP4221901B2 (ja) | 1998-10-06 | 1999-10-05 | 積み重ねピペットコーンレフィルを含むアセンブリ |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9812492A FR2784076B1 (fr) | 1998-10-06 | 1998-10-06 | Ensemble comprenant des recharges de cones de pipette empilees |
FR98/12492 | 1998-10-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000020118A1 true WO2000020118A1 (fr) | 2000-04-13 |
Family
ID=9531237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1999/002374 WO2000020118A1 (fr) | 1998-10-06 | 1999-10-05 | Ensemble comprenant des recharges de cones de pipette empilees |
Country Status (9)
Country | Link |
---|---|
US (1) | US6534015B1 (fr) |
EP (1) | EP1035922A1 (fr) |
JP (1) | JP4221901B2 (fr) |
KR (1) | KR100627146B1 (fr) |
CN (1) | CN1127377C (fr) |
CA (1) | CA2312821C (fr) |
FR (1) | FR2784076B1 (fr) |
RU (1) | RU2270721C2 (fr) |
WO (1) | WO2000020118A1 (fr) |
Families Citing this family (61)
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GB9803684D0 (en) * | 1998-02-24 | 1998-04-15 | Genevac Ltd | Method and apparatus for controlling temperature during evaporation of samples |
US7220590B2 (en) * | 2001-03-14 | 2007-05-22 | Beckman Coulter, Inc. | Conductive plastic rack for pipette tips |
WO2003036304A1 (fr) * | 2001-10-26 | 2003-05-01 | Advion Biosciences, Inc. | Procede et dispositif d'analyse chimique |
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- 1999-10-05 RU RU2000117635/13A patent/RU2270721C2/ru not_active IP Right Cessation
- 1999-10-05 KR KR1020007006154A patent/KR100627146B1/ko not_active IP Right Cessation
- 1999-10-05 US US09/555,821 patent/US6534015B1/en not_active Expired - Lifetime
- 1999-10-05 CA CA002312821A patent/CA2312821C/fr not_active Expired - Lifetime
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Also Published As
Publication number | Publication date |
---|---|
CA2312821A1 (fr) | 2000-04-13 |
RU2270721C2 (ru) | 2006-02-27 |
JP4221901B2 (ja) | 2009-02-12 |
RU2000117635A (ru) | 2005-01-27 |
EP1035922A1 (fr) | 2000-09-20 |
CA2312821C (fr) | 2009-12-15 |
FR2784076B1 (fr) | 2000-12-22 |
KR20010024696A (ko) | 2001-03-26 |
JP2002526242A (ja) | 2002-08-20 |
US6534015B1 (en) | 2003-03-18 |
KR100627146B1 (ko) | 2006-09-22 |
FR2784076A1 (fr) | 2000-04-07 |
CN1288397A (zh) | 2001-03-21 |
CN1127377C (zh) | 2003-11-12 |
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