CA2352517A1 - A modular test tube rack - Google Patents
A modular test tube rack Download PDFInfo
- Publication number
- CA2352517A1 CA2352517A1 CA 2352517 CA2352517A CA2352517A1 CA 2352517 A1 CA2352517 A1 CA 2352517A1 CA 2352517 CA2352517 CA 2352517 CA 2352517 A CA2352517 A CA 2352517A CA 2352517 A1 CA2352517 A1 CA 2352517A1
- Authority
- CA
- Canada
- Prior art keywords
- test tube
- tube rack
- modular test
- racks
- wells
- 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.)
- Abandoned
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
- B01L9/06—Test-tube stands; Test-tube holders
-
- 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
- B01L2200/02—Adapting objects or devices to another
- B01L2200/025—Align devices or objects to ensure defined positions relative to each other
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
A modular test tube rack for assembly with similarly constructed racks comprise a flat rectangular body displaying, in a first position, a series of wells extending from its top wall to its bottom wall and adapt to receive tubes therein. A pair of handles vertically extend at opposite end walls of the body, each handle having a lower portion adapted to tightly engage an extension on each end wall and a hand gripping upper portion. The lower portion has a bottom edge configured to anchor with the top edge of the handle of an underposed similarly constructed rack to thereby enable a stacking of two more of these racks. In one embodiment, the body displays a second series of wells extending from the bottom wall to the top wall whereby the body, when in a second position reversed relative to the first position, may also receive test tubes, the handles being reversibly mountable to the end wall extension to still enable a stacking of racks in the second position.
Description
TITLE OF THE INVENTION
A modular test tube rack.
FIELD OF THE INVENTION
The present invention relates to a modular test tube rack configured for assembly with similarly constructed racks.
BACKGROUND OF THE INVENTION
Test tube racks are found in laboratories and serve to hold test tubes during various analytical and processing procedures.
Racks may be arranged in modular fashion so that a plurality of these racks can be handled as a single rack. It has been found useful to provide handles which can be connected to the rack arrangement to facilitate transportation thereby eliminating the use of trays or other handling devices.
One example of a modular test tube rack arrangement may be found described in U.S. patent No. 5,169,603 issued December 8, 1992 to Landsberger in which a plurality of test tube racks are disposed side by side and coupled together at opposite sides by means of clamps to form a modular test tube rack arrangement. Handles engage the clamps to provide a balanced pivot handle arrangement for transporting the modular set of connected racks. Other modular tube rack arrays have been devised such as the one described in U.S. patent no.
5,285,907 issued February 15, 1994 to Franchere et al.
The support racks for test tubes which exist presently consist of plastic blocks in which holes are perforated to form rows and columns. None, however, are configured with a universality intention in order to answer the needs of new technologies. This requires for users to have in store two types of racks: for example, one model having 80 positions strictly for micro-centrifuge tubes and a second model having 96 positions which can receive tubes of 0.5 to 2.0 m~.
A modular test tube rack.
FIELD OF THE INVENTION
The present invention relates to a modular test tube rack configured for assembly with similarly constructed racks.
BACKGROUND OF THE INVENTION
Test tube racks are found in laboratories and serve to hold test tubes during various analytical and processing procedures.
Racks may be arranged in modular fashion so that a plurality of these racks can be handled as a single rack. It has been found useful to provide handles which can be connected to the rack arrangement to facilitate transportation thereby eliminating the use of trays or other handling devices.
One example of a modular test tube rack arrangement may be found described in U.S. patent No. 5,169,603 issued December 8, 1992 to Landsberger in which a plurality of test tube racks are disposed side by side and coupled together at opposite sides by means of clamps to form a modular test tube rack arrangement. Handles engage the clamps to provide a balanced pivot handle arrangement for transporting the modular set of connected racks. Other modular tube rack arrays have been devised such as the one described in U.S. patent no.
5,285,907 issued February 15, 1994 to Franchere et al.
The support racks for test tubes which exist presently consist of plastic blocks in which holes are perforated to form rows and columns. None, however, are configured with a universality intention in order to answer the needs of new technologies. This requires for users to have in store two types of racks: for example, one model having 80 positions strictly for micro-centrifuge tubes and a second model having 96 positions which can receive tubes of 0.5 to 2.0 m~.
The 96 position models are voluminous and take a lot of place on working tables.
Also, this double inventory is expensive.
Generally, the products must be stored in a restricted space, such as a freezer or a refrigerator. In order to maximize the use of such space, the racks must be juxtaposed one on top of the other, in which case the racks rest on the caps of the tubes of the rack disposed therebeneath. This results in an unstable assembly where the tubes may easily fall and break their contents lost and the storing space contaminated.
OBJECTS AND STATEMENT OF THE INVENTION
It is an object of the present invention to overcome the problems associated with presently used racks. This is achieved by providing a modular test tube rack for easy stacking assembly with similarly constructed racks.
It is also an object of the present invention to provide a rack which is reversible;
in other words, a rack with its top wall being formed of wells adapted to receive a given number and size of tubes and when the body is reversed, it is configured to receive an other given number and size of tubes.
The present invention therefore relates to a modular test tube rack for assembly with similarly constructed racks, which comprises:
a flat rectangular body having a top wall, a bottom wall, opposite side walls and opposite end walls; the body displaying, in a first position, a series of wells extending from the top wall to bottom wall and adapted to receive tubes therein; each end wall displaying a handle engaging extension;
a pair of handles respectively mounted at opposite end walls; each handle having a lower portion having means adapted to tightly engage the extension of the end wall of the body and to extend vertically therefrom; each handle having a hand gripping upper portion displaying a top edge; the lower portion of the handle having a bottom edge configured to anchor with the top edge of an underposed similarly constructed rack thereby enabling a stacking of two or more of the racks.
In a preferred form of the invention, the body displays a second series of wells extending from the bottom wall to the top wall whereby, when the body is inverted to a second position inversed relative to the first position, it may receive other test tubes. The handles are reversibly mountable to the end wall extensions so as to still enable a stacking of racks when the body is in the second position.
In another form of the invention, a cover is provided which is adapted to rest on the side walls and end walls of the body in either the first or second positions.
In a further form of the invention, the opposite side walls of the body display slots in which dowels are received enabling racks to be juxtaposedly interconnected.
Other objects and further scope of applicability of the present invention will become apparent from the detailed description given hereinafter. It should be understood, however, that this detailed description, while indicating preferred embodiments of the invention, is given by way of illustration only, since various changes and modifications within the spirit and scope of the invention will become apparent to those skilled in the art.
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is a perspective view showing two stacked racks made in accordance with the present invention with the racks shown in a first position;
Figure 2 is a perspective view showing the two stacked racks in an inverted position;
Figure 3 is a cross sectional view taken along lines 3-3 of figure 1;
Figure 4 is a cross sectional view taken along lines 4-4 of figure 2;
Also, this double inventory is expensive.
Generally, the products must be stored in a restricted space, such as a freezer or a refrigerator. In order to maximize the use of such space, the racks must be juxtaposed one on top of the other, in which case the racks rest on the caps of the tubes of the rack disposed therebeneath. This results in an unstable assembly where the tubes may easily fall and break their contents lost and the storing space contaminated.
OBJECTS AND STATEMENT OF THE INVENTION
It is an object of the present invention to overcome the problems associated with presently used racks. This is achieved by providing a modular test tube rack for easy stacking assembly with similarly constructed racks.
It is also an object of the present invention to provide a rack which is reversible;
in other words, a rack with its top wall being formed of wells adapted to receive a given number and size of tubes and when the body is reversed, it is configured to receive an other given number and size of tubes.
The present invention therefore relates to a modular test tube rack for assembly with similarly constructed racks, which comprises:
a flat rectangular body having a top wall, a bottom wall, opposite side walls and opposite end walls; the body displaying, in a first position, a series of wells extending from the top wall to bottom wall and adapted to receive tubes therein; each end wall displaying a handle engaging extension;
a pair of handles respectively mounted at opposite end walls; each handle having a lower portion having means adapted to tightly engage the extension of the end wall of the body and to extend vertically therefrom; each handle having a hand gripping upper portion displaying a top edge; the lower portion of the handle having a bottom edge configured to anchor with the top edge of an underposed similarly constructed rack thereby enabling a stacking of two or more of the racks.
In a preferred form of the invention, the body displays a second series of wells extending from the bottom wall to the top wall whereby, when the body is inverted to a second position inversed relative to the first position, it may receive other test tubes. The handles are reversibly mountable to the end wall extensions so as to still enable a stacking of racks when the body is in the second position.
In another form of the invention, a cover is provided which is adapted to rest on the side walls and end walls of the body in either the first or second positions.
In a further form of the invention, the opposite side walls of the body display slots in which dowels are received enabling racks to be juxtaposedly interconnected.
Other objects and further scope of applicability of the present invention will become apparent from the detailed description given hereinafter. It should be understood, however, that this detailed description, while indicating preferred embodiments of the invention, is given by way of illustration only, since various changes and modifications within the spirit and scope of the invention will become apparent to those skilled in the art.
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is a perspective view showing two stacked racks made in accordance with the present invention with the racks shown in a first position;
Figure 2 is a perspective view showing the two stacked racks in an inverted position;
Figure 3 is a cross sectional view taken along lines 3-3 of figure 1;
Figure 4 is a cross sectional view taken along lines 4-4 of figure 2;
Figure 5 is a perspective view showing the rack in its first position with a cover displayed thereabove;
Figure 6 is a perspective view showing the rack in its second position with the cover;
Figure 7 is a cross-sectional view showing parts of two stacked racks with a cover as shown in figure 5; and Figure 8 is a perspective view showing two covered racks positioned to be juxtaposedly interconnected to one another.
DESCRIPTION OF PREFERRED EMBODIMENTS
Referring to figures 1 and 2, there are shown two stack racks 10, 10' which are identically constructed. Rack 10 consists of a flat rectangular body having a top wall 12, a bottom wall 14, opposite sidewalls 16 and 18 and opposite end walls and 22.
The top wall 12 displays a series of wells 24 disposed in rows and columns (80 wells being illustrated in the rack of figure 1 ). Each well has a small recess area 26 in its top wall so that numbers or letters (not shown) may be imprinted to identify the location of each well on the top wall. As can also be seen in figure 3, the wells 24 has a slightly tapered inner wall to receive test tubes for analytical purposes; also, they comprise two areas 24a and 24b having varying diameters to receive tubes of different outer diameters, for example 12 and 13 mm whereby the 12 mm tubes are less likely to become loose if they were received in a well which would have only an area 24a throughout its height.
The racks shown in figure 2 have been inverted 180° with respect to that shown in figure 1. The bottom wall 14 (now top wall) also displays a series of wells arranged in rows and columns (60 being shown). Although not shown, wall 14 may be impressed with letters and numbers to identify each well. Referring to figure 4, the wells 28 have a conical shape; these wells extend in body 10 in areas adjacent to wells 24.
Integrally formed to the opposite end walls 20 and 22 are rectangular shaped extensions 30 and 32.
Hence, the rack, in one position (figure 1 ), is adapted to receive 80 tubes made of polystyrene or polypropylene of 10 and 12 mm diameter such as tubes of 10 x 100 mm or 12 x 75 mm as well as tubes for cryogeny having a volume of 1.2 to 5.0 m~. The rack, in the second position (figure 2), is adapted to receive tubes for micro-centrifugor of 1.5 and 2.0 mf volumes.
The rack 10 also comprises a pair of handles 34, 36 consisting of upper hand-gripping portions 38, 40 defining respective top edges 42, 44. The lower portions 46, 48 of the handles each comprise a rectangular shaped slot through which extends the respective end wall extensions 30 and 32. The lower portions 46, also include a pair of opposite legs 50, 52 and 54, 56 thus defining a recessed area therebetween that has a dimension corresponding to the dimension of the top edges 42, 44 so that, once in a stack formation, these top edges will be confined in the recessed areas of the lower portions of a superposed rack.
The side wall 16 displays a series of vertical recessed areas 60 and a flat central area 62. Similarly, side wall 18 displays a series of recessed areas 64 and a flat central area 66. Their function will further be described below.
The body 10 as well as the handles are made of plastic material.
Referring to figure 5, in one form of the invention, the rack may comprise a cover, generally denoted 70, consisting of a top wall 72, opposite side walls 74 and and opposite end walls 78, 80. The top wall 72 is generally flat and displays, at opposite corners, a pair of semi-circular protuberances 82 and 84. The lower edges of the opposite side walls and end walls of the cover are configured to be supported on corner areas (two being shown as 88 and 90) of the body 10. The cover 70 is also adapted to be supported, as illustrated in figure 6, when the body is in its reverse position on corner areas (two being shown as 92 and 94) at the four corners of the body. The cover is preferably transparent and made of 5 plastic material.
Figure 7 shows that two racks 10, 10' with their respective covers 70, 70' may be stacked in a secured manner with the protuberances 84 of the lower rack cover lodged in the entrance areas of the wells 28 of the superposed rack.
Referring to figure 8, a pair of dowels 100 and 102 made of rigid plastic material are shaped so that a portion thereof may be slid into tight engagement in the recessed areas 60' of one body 10' with another portion of the dowel engaging a recessed area 64 (not shown) on the opposite side wall of the body 10. The flat central areas 66, 66' serve to affix information on the test tubes received in the racks. These dowels enable a side-by-side assembly of racks in either position with one rack of 80 tubes and the other connected rack with 60 tubes.
The present invention greatly improves storage in that, for one area, four racks containing 320 tubes may be stacked.
Although the invention has been described above with respect to one specific form, it will be evident to a person skilled in the art that it may be modified and refined in various ways. It is therefore wished to have it understood that the present invention should not be limited in scope, except by the terms of the following claims.
Figure 6 is a perspective view showing the rack in its second position with the cover;
Figure 7 is a cross-sectional view showing parts of two stacked racks with a cover as shown in figure 5; and Figure 8 is a perspective view showing two covered racks positioned to be juxtaposedly interconnected to one another.
DESCRIPTION OF PREFERRED EMBODIMENTS
Referring to figures 1 and 2, there are shown two stack racks 10, 10' which are identically constructed. Rack 10 consists of a flat rectangular body having a top wall 12, a bottom wall 14, opposite sidewalls 16 and 18 and opposite end walls and 22.
The top wall 12 displays a series of wells 24 disposed in rows and columns (80 wells being illustrated in the rack of figure 1 ). Each well has a small recess area 26 in its top wall so that numbers or letters (not shown) may be imprinted to identify the location of each well on the top wall. As can also be seen in figure 3, the wells 24 has a slightly tapered inner wall to receive test tubes for analytical purposes; also, they comprise two areas 24a and 24b having varying diameters to receive tubes of different outer diameters, for example 12 and 13 mm whereby the 12 mm tubes are less likely to become loose if they were received in a well which would have only an area 24a throughout its height.
The racks shown in figure 2 have been inverted 180° with respect to that shown in figure 1. The bottom wall 14 (now top wall) also displays a series of wells arranged in rows and columns (60 being shown). Although not shown, wall 14 may be impressed with letters and numbers to identify each well. Referring to figure 4, the wells 28 have a conical shape; these wells extend in body 10 in areas adjacent to wells 24.
Integrally formed to the opposite end walls 20 and 22 are rectangular shaped extensions 30 and 32.
Hence, the rack, in one position (figure 1 ), is adapted to receive 80 tubes made of polystyrene or polypropylene of 10 and 12 mm diameter such as tubes of 10 x 100 mm or 12 x 75 mm as well as tubes for cryogeny having a volume of 1.2 to 5.0 m~. The rack, in the second position (figure 2), is adapted to receive tubes for micro-centrifugor of 1.5 and 2.0 mf volumes.
The rack 10 also comprises a pair of handles 34, 36 consisting of upper hand-gripping portions 38, 40 defining respective top edges 42, 44. The lower portions 46, 48 of the handles each comprise a rectangular shaped slot through which extends the respective end wall extensions 30 and 32. The lower portions 46, also include a pair of opposite legs 50, 52 and 54, 56 thus defining a recessed area therebetween that has a dimension corresponding to the dimension of the top edges 42, 44 so that, once in a stack formation, these top edges will be confined in the recessed areas of the lower portions of a superposed rack.
The side wall 16 displays a series of vertical recessed areas 60 and a flat central area 62. Similarly, side wall 18 displays a series of recessed areas 64 and a flat central area 66. Their function will further be described below.
The body 10 as well as the handles are made of plastic material.
Referring to figure 5, in one form of the invention, the rack may comprise a cover, generally denoted 70, consisting of a top wall 72, opposite side walls 74 and and opposite end walls 78, 80. The top wall 72 is generally flat and displays, at opposite corners, a pair of semi-circular protuberances 82 and 84. The lower edges of the opposite side walls and end walls of the cover are configured to be supported on corner areas (two being shown as 88 and 90) of the body 10. The cover 70 is also adapted to be supported, as illustrated in figure 6, when the body is in its reverse position on corner areas (two being shown as 92 and 94) at the four corners of the body. The cover is preferably transparent and made of 5 plastic material.
Figure 7 shows that two racks 10, 10' with their respective covers 70, 70' may be stacked in a secured manner with the protuberances 84 of the lower rack cover lodged in the entrance areas of the wells 28 of the superposed rack.
Referring to figure 8, a pair of dowels 100 and 102 made of rigid plastic material are shaped so that a portion thereof may be slid into tight engagement in the recessed areas 60' of one body 10' with another portion of the dowel engaging a recessed area 64 (not shown) on the opposite side wall of the body 10. The flat central areas 66, 66' serve to affix information on the test tubes received in the racks. These dowels enable a side-by-side assembly of racks in either position with one rack of 80 tubes and the other connected rack with 60 tubes.
The present invention greatly improves storage in that, for one area, four racks containing 320 tubes may be stacked.
Although the invention has been described above with respect to one specific form, it will be evident to a person skilled in the art that it may be modified and refined in various ways. It is therefore wished to have it understood that the present invention should not be limited in scope, except by the terms of the following claims.
Claims (14)
1. A modular test tube rack for assembly with similarly constructed racks comprising:
a flat rectangular body having a top wall, a bottom wall, opposite side walls and opposite end walls; said body displaying, in a first position, a series of wells extending from said top wall to bottom wall and adapted to receive tubes therein; each said end wall displaying a handle engaging extension;
a pair of handles respectively mounted at said opposite end walls;
each said handle having a lower portion having means adapted to tightly engage said extension of said end wall and to extend vertically therefrom; said handle having a hand gripping upper portion displaying a top edge; said lower portion of said handle having a bottom edge configured to anchor with the top edge of an underposed similarly constructed rack thereby enabling a stacking of two or more of said racks.
a flat rectangular body having a top wall, a bottom wall, opposite side walls and opposite end walls; said body displaying, in a first position, a series of wells extending from said top wall to bottom wall and adapted to receive tubes therein; each said end wall displaying a handle engaging extension;
a pair of handles respectively mounted at said opposite end walls;
each said handle having a lower portion having means adapted to tightly engage said extension of said end wall and to extend vertically therefrom; said handle having a hand gripping upper portion displaying a top edge; said lower portion of said handle having a bottom edge configured to anchor with the top edge of an underposed similarly constructed rack thereby enabling a stacking of two or more of said racks.
2. A modular test tube rack as defined in claim 1, wherein said body displays, a second series of wells extending from said bottom wall to said top wall whereby, when said body is inverted to a second position inversed relative to said first position, it may receive other test tubes therein; said handles being reversibly mountable to said extensions so as to enable a stacking of racks when said body is in said second position.
3. A modular test tube rack as defined in claim 2, wherein said wells of said second series have a size smaller than that of said wells of the first series;
said wells of said second series being located in said body adjacent said wells of said first series.
said wells of said second series being located in said body adjacent said wells of said first series.
4. A modular test tube rack as defined in claim 3, wherein said wells of said first and second series are respectively arranged in rows and columns in said top wall and in said bottom wall; the number of wells extending from said top wall differing from the number of wells extending from said bottom wall.
5. A modular test tube rack as defined in any one of claims 2 to 4, further comprising a cover having a top wall, opposite side walls and opposite end walls; said side walls and end walls of said cover having lower edges adapted to rest on corresponding edges of said side walls and end walls of said body in said first position and on corresponding edges of said side walls and end walls of said body in said second position.
6. A modular test tube rack as defined in claim 5, wherein said top wall of said cover displays at least one protuberance having a shape adapted to be received in a correspondingly located well entrance in said bottom wall of said body so as to allow a stack formation of covered racks.
7. A modular test tube rack as defined in claim 6, wherein said cover comprises a pair of said protuberances at diagonally opposite corners of said top wall of said cover.
8. A modular test tube rack as defined in anyone of claims 5 to 7, wherein said cover is made of transparent material.
9. A modular test tube rack as defined in any one of claims 1 to 8, wherein said opposite side walls of said body displays dowel receiving slots;
further comprising dowels in said slots so as to form an array of juxtaposed dowel inter-connected racks.
further comprising dowels in said slots so as to form an array of juxtaposed dowel inter-connected racks.
10. A modular test tube rack as defined in any one of claims 1 to 9, wherein said extension of said end wall has a rectangular shape and wherein said lower portion of said handles displays a rectangular shaped opening to receive said rectangular extension of said end wall of said rack.
11. A modular test tube rack as defined in any one of claims 1 to 10, wherein said body and said handles are made of plastic material.
12. A modular test tube rack as defined in claim 9, wherein said dowels are made of plastic material.
13. A modular test tube rack as defined in any one of claims 1 to 12, wherein said side walls of said body display an information receiving area.
14. A modular test tube rack as defined in any one of claims 1 to 13 wherein said wells include two areas of different inner diameters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2352517 CA2352517A1 (en) | 2001-07-06 | 2001-07-06 | A modular test tube rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2352517 CA2352517A1 (en) | 2001-07-06 | 2001-07-06 | A modular test tube rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2352517A1 true CA2352517A1 (en) | 2003-01-06 |
Family
ID=4169418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2352517 Abandoned CA2352517A1 (en) | 2001-07-06 | 2001-07-06 | A modular test tube rack |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2352517A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2422880A2 (en) * | 2010-08-30 | 2012-02-29 | Agilent Technologies, Inc. | Container for vials |
| CN109398960A (en) * | 2018-12-22 | 2019-03-01 | 山东科技大学 | A kind of test tube transport device that can be stacked and application method |
-
2001
- 2001-07-06 CA CA 2352517 patent/CA2352517A1/en not_active Abandoned
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2422880A2 (en) * | 2010-08-30 | 2012-02-29 | Agilent Technologies, Inc. | Container for vials |
| EP2422880A3 (en) * | 2010-08-30 | 2012-07-25 | Agilent Technologies, Inc. | Container for vials |
| CN109398960A (en) * | 2018-12-22 | 2019-03-01 | 山东科技大学 | A kind of test tube transport device that can be stacked and application method |
| CN109398960B (en) * | 2018-12-22 | 2023-09-01 | 山东科技大学 | Stackable test tube conveying device and use method |
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| Date | Code | Title | Description |
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| FZDE | Dead |