[go: up one dir, main page]

EP2008719A1 - Dispositif de sécurité - Google Patents

Dispositif de sécurité Download PDF

Info

Publication number
EP2008719A1
EP2008719A1 EP07110953A EP07110953A EP2008719A1 EP 2008719 A1 EP2008719 A1 EP 2008719A1 EP 07110953 A EP07110953 A EP 07110953A EP 07110953 A EP07110953 A EP 07110953A EP 2008719 A1 EP2008719 A1 EP 2008719A1
Authority
EP
European Patent Office
Prior art keywords
safety device
container
lateral members
base
containers
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Withdrawn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
EP07110953A
Other languages
German (de)
English (en)
Inventor
Harry Walter Gussekloo
Albertus Paulus Mizee
Johan Paul Smit
Jasper Roelf Smit
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Priority to EP07110953A priority Critical patent/EP2008719A1/fr
Publication of EP2008719A1 publication Critical patent/EP2008719A1/fr
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • 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
    • B01L2200/08—Ergonomic or safety aspects of handling devices
    • B01L2200/085—Protection against injuring the user
    • 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

Definitions

  • the present invention relates to a safety device suitable for use in particular, but not exclusively, in the measurement of surfactant characteristics.
  • phase behaviour between two or more liquids is usually carried out in a closed glass tube, in which the liquids are placed and observed before and after mixing.
  • a test is useful when testing new potential surfactant materials for enhanced oil recovery, as it is important to test the ability of such materials to emulsify a mixture of oil (either crude oil or a single hydrocarbon) and water.
  • the test is generally carried out by agitating a quantity of the surfactant to be tested in water or a slat solution (e.g. brine) with an amount of oil and measuring the depths and appearance of the phases/emulsions formed, either immediately or after the phases have been allowed to equilibrate for some time.
  • a slat solution e.g. brine
  • the different phases/emulsions can easily be observed, allowing the ready measurement of their depth and appearance.
  • the water and oil are suitably heated to a temperature of up to 140 °C. In a closed test-tube system, this can create an increased pressure of 1500 kPa or higher.
  • a glass test-tube such conditions may cause breakage of the glass and possibly an explosion, and thus, safety concerns for the handler of the apparatus, in terms of broken glass and spilled hot liquid. Further, in a laboratory environment, such breakage may also affect nearby apparatus and glassware. It would, therefore, be desirable to provide an apparatus suitable for testing the suitability of detergents for use in enhanced oil recovery, in which such safety concerns were overcome.
  • a safety device comprising retaining means configured to support and retain at least one container and an enclosing means configured to encase the at least one container, wherein any breakage of the container is contained by the enclosing means.
  • a safety device comprising retaining means configured to support and retain at least one container and an enclosing means configured to encase the at least one container, wherein any breakage of the container is contained by the enclosing means. Furthermore, such a device can allow testing of multiple samples at any one time.
  • the safety device with a retained container can be placed in a laboratory oven maintained at the test temperature that simulates the oil reservoir temperature.
  • the retaining means is configured to support and retain the at least one container.
  • the retaining means suitably comprises a base and one or more lateral members configured to support and retain the at least one container.
  • the base may be formed as an integral structure with the lateral members or, alternatively, may be constructed separately and fixed to the lateral members by connecting means, such as solder, glue or mechanical connecting means, for example, one or more screws.
  • the base is constructed separately and may suitably be constructed of a different material to the lateral members.
  • the base is constructed of any material capable of withstanding the heat applied to the liquid mixture. Suitable materials include, but are not limited to, metals and thermally-stable plastics, such as PEEK, Teflon and polycarbonate. Preferably, the base is made of plastic.
  • the base may be flat or may, preferably, contain wells or indentations into which the one or more containers can fit. Such wells or indentations provide extra support and stability for the containers.
  • the one or more lateral members partially surround the containers.
  • the one or more lateral members are upstanding from the base. More preferably, the one or more lateral members are upstanding perpendicular to the base.
  • the lateral members are mutually spaced.
  • said members are equi-distant from one another.
  • two of the lateral members may form end-plates attachable to opposing ends of the base.
  • the one or more lateral members may comprise flat plates, cylinders or partial cylinders.
  • the one or more lateral members are positioned to provide a series of bays into which the containers are fitted.
  • Such bays provide visual access to the containers while preventing the breakage of a single container causing damage to any of the other containers in the safety device.
  • said visual access may be provided by a portion of said cylinder being cut away.
  • the one or more lateral members are constructed of any material capable of withstanding the heat applied to the liquid mixture. Suitable materials include, but are not limited to, metals and thermally-stable plastics. Preferably, the one or more lateral members are metal.
  • additional support for the container may be provided by an additional retaining device attached to the one or more lateral members.
  • a suitable additional retaining device includes, but is not limited to, an elastically deformable retaining device and/or a clip.
  • the additional retaining device comprises an upper member which can be fixed in place over the one or more containers in order to provide further support and retention of the one or more containers.
  • said upper member may be attached to the end-plates.
  • the one or more lateral members, base and/or upper member may, in one embodiment of the present invention be equipped to allow heat to be applied directly to the safety device, e.g. by the flow of electricity, hot air, or hot water.
  • the at least one container is suitably a container that is capable of withstanding the heat applied to the liquid mixture and any pressure build-up caused by said heat.
  • the containers are made of a transparent, or semi-transparent material to allow visual measurements of the contents of the containers to be made.
  • the containers are formed from glass.
  • the containers are marked with a scale to allow depth measurements of the phases to be carried out in situ without requiring additional equipment.
  • the one or more containers must be constructed to allow addition of the materials to be tested.
  • the containers have an opening, preferably toward one end of the container. This opening must then be capable of closure in order for agitation of the safety device and its contents, without spillage of the materials to be tested.
  • the closure is effected by means of a closing device which is configured to fit the opening in the container by any suitable means that allows retention of said closing device under the conditions to which the safety device is exposed.
  • Preferred closing devices include a lid or cap that is retained in place by a screw fitting, crimping of the lid or cap or by a tight fit between the opening and the closing device.
  • the safety device may be configured to retain and support more than one container in order to allow the parallel testing of multiple samples under consistent conditions.
  • the enclosing means is configured to encase the at least one container. Suitably it is configured such that the container is visible therethrough, e.g. by provision of an aperture or the use of a transparent material.
  • the enclosing means is formed of a mesh.
  • the enclosing means comprises a metal mesh.
  • the enclosing means is formed of a transparent material. Preferably, said material is polycarbonate.
  • the enclosing means is configured such that the majority of any fragments of the container(s) are retained within the device, thereby ensuring the safety of the user.
  • the enclosing means is preferably attached to the retaining means in a manner such that it is not dislodged during agitation of the test liquids within the safety device.
  • a manner may comprise a clip or a screw fixture.
  • the safety device may contain other features that contribute to its ease of use.
  • the safety device may be equipped with one or more handles to allow manual manipulation and agitation of the device.
  • the safety device may be configured to fit securely to an automated agitation device.
  • the safety device may be equipped with supporting means configured to hold the safety device in a vertical position.
  • supporting means may comprise stabilising members extending from the safety device, for example from the base of the retaining means.
  • the supporting means may be a separate device into which the safety device may be fitted.
  • the safety device may be attached to a horizontal axis which is rotated, either manually or by an electric motor. This allows the liquids in the glass tubes to be mixed in a controlled manner.
  • FIG. 1 shows a safety device according to a preferred embodiment of the present invention.
  • the safety device comprises a retaining means (1) having a base (2) formed of a heat-resistant plastic material. Connected to the base (2) and upstanding perpendicularly therefrom are lateral members (3).
  • the lateral members (3) are flat metal plates. Two of the lateral members (3) form end-plates connected to opposing ends of the base (2) whilst further lateral members (3) are spaced at equal distances between the two end-plates.
  • a pair of adjacent lateral members (3) delimit a bay (4) in which a container (not shown) is retained and supported.
  • Handles (5) are attached to opposing ends of the base (2) of the safety device, thereby providing the user with means to hold the safety device. It is much by preference that the handles (5) are not in thermal communication with the remainder of the safety device thereby ensuring that the handles (5) remain at a temperature at which the user can readily grasp them for manipulation of the device. It will be readily understood that in an alternative embodiment of the present invention the handles of the device may be in thermal communication with the remainder of the device, in which embodiment the user would be required to were heat resistant hand wear, gloves for example, in order to hold the device in use.
  • FIG. 2 depicts a front plan view of the safety device depicted by rear plan view in Figure 1 . All features of the device of Figure 2 are identical to those of Figure 1 except for the clips (6).
  • Clips (6) are retaining devices which provide additional support to a container (not shown) within a bay (4). Alternative retaining devices, such as clamps for example, will be well within the understanding of the skilled artisan in light of the present disclosure.
  • Each bay (4) has a clip (6) positioned therein to engage and retain a container (not shown).
  • the clips (6) are preferably positioned so as to engage with an upper part of a container, the neck portion of a test-tube, for example.
  • FIG 3 shows a side elevation of the safety device depicted in Figures 1 and 2 .
  • the safety device has an enclosing means (7) which is hingedly connected to the base (2) of the safety device by a hinge (8).
  • the enclosing means (7) is retained in its operational condition in which it encases the containers retained in the device, by way of a screw fitting (9) located centrally between the two end-plates on top of the retaining means (1).
  • the enclosing means (7) depicted is formed of a polycarbonate material which is adapted and positioned to cover the front and top of each and all of the bays (4). It will be readily understood that in alternative embodiments of the present invention, the enclosing means (7) may be configured to completely cover the bays at the top, front and rear thereof. In a further alternative arrangement, the enclosing means (7) may be a full box with a removable or hinged lid into which the retaining means of the invention may be placed.
  • the enclosing means (7) may also be formed from any suitable material, although polycarbonate material is preferred as it allows the user visual access to the contents of containers in the device and also prevents glass and/or the contents of the container from being projected towards the user in the event of container breakage.
  • the enclosing means (7) comprises a wire mesh that covers at least the front and top of the bays (4) in the retaining means (1) or fits over the retaining means as a cage (not shown).
  • the safety device also has two stabilising members (10) arranged at the opposing end of the base (3).
  • the stabilising members (10) provide support in addition to the base (2) of the device when same is to be rested against a planar surface in the vertical (upright) position.
  • the stabilising members (10) extend from the base (2) and may be formed integrally therewith. Alternatively, the stabilising members (10) may be formed separately from the base (2) and may be attached thereto by any suitable means such as screw fittings, for example.
  • Figure 4 shows a top plan view of the safety device of Figures 1 to 3 .
  • the screw fitting (9) may be tightened to retain the polycarbonate enclosing member (7) when same is in the closed, operational position wherein it covers the top and front of the retaining means (1).
  • the screw fitting (9) is loosened to release the polycarbonate enclosing member (7) such that same can hinge into an open, non-operational position whereby access may be gained to the containers within the device.
  • Figure 5 depicts the base (2) of the safety device shown in Figures 1-4 in greater detail.
  • the base (2) contains indentations in the form of wells (11) which provide additional support to the bottoms of the containers when placed in the safety device.
  • a test-tube of glass is pre-filled with a crude oil or a hydrocarbon or a mixture of hydrocarbons , a surfactant and water, water in which salt or combinations of salts are dissolved, (or brine) and closed by way of a screw cap fitting.
  • the device can also be used with an alkaline component (such as sodium carbonate) and/or a polymer dissolved in the aqueous phase, this simulating alkaline-polymer-surfactant flooding enhanced oil recovery processes.
  • the filled test-tube is then pushed into clip (6) in a bay (4) and supported in a well (11) in base (2).
  • test-tubes may be placed into a bay (4) in the device up to the number of bays (4) in the device.
  • the polycarbonate enclosing member (7) is then hinged about hinge (8) from an open position to a closed portion and held in that closed position by tightening of screw fitting (9).
  • the device may then be heated in an oven (or by any other suitable means) to a temperature of about 140 degrees Celsius.
  • the user may then grip handles (5) and manually agitate the liquids in the test-tube(s) or mix the liquids in the tubes by rotation of the safety device about a horizontal axis. Any breakage of the test-tube whilst the enclosing member (7) is in the closed position will be retained in the device and prevented from reaching the user.
  • the phases / emulsions formed in the experiments are observed visually and rated in appearance in terms of type, clarity and colour.
  • the viscosity of the emulsions formed and their tendency to wet the glass surface are noted as the tubes are gently swayed from side to side. This methodology has been reported elsewhere.

Landscapes

  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
EP07110953A 2007-06-25 2007-06-25 Dispositif de sécurité Withdrawn EP2008719A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07110953A EP2008719A1 (fr) 2007-06-25 2007-06-25 Dispositif de sécurité

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07110953A EP2008719A1 (fr) 2007-06-25 2007-06-25 Dispositif de sécurité

Publications (1)

Publication Number Publication Date
EP2008719A1 true EP2008719A1 (fr) 2008-12-31

Family

ID=38728131

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07110953A Withdrawn EP2008719A1 (fr) 2007-06-25 2007-06-25 Dispositif de sécurité

Country Status (1)

Country Link
EP (1) EP2008719A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105129186A (zh) * 2015-09-21 2015-12-09 上海科华实验系统有限公司 试管架储运装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0467301A2 (fr) * 1990-07-20 1992-01-22 Johnson & Johnson Clinical Diagnostics, Inc. Cassette pour une seule rangée de tubes à essais ou analogues
US20050133512A1 (en) * 2003-12-22 2005-06-23 Brand Gmbh And Co Kg Packing box for laboratory articles
DE102006003672A1 (de) * 2005-02-01 2006-08-10 Stiwa Fertigungstechnik Sticht Ges.M.B.H. Haltevorrichtung für zylindrische Gegenstände, insbesondere rohrförmige Probenbehälter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0467301A2 (fr) * 1990-07-20 1992-01-22 Johnson & Johnson Clinical Diagnostics, Inc. Cassette pour une seule rangée de tubes à essais ou analogues
US20050133512A1 (en) * 2003-12-22 2005-06-23 Brand Gmbh And Co Kg Packing box for laboratory articles
DE102006003672A1 (de) * 2005-02-01 2006-08-10 Stiwa Fertigungstechnik Sticht Ges.M.B.H. Haltevorrichtung für zylindrische Gegenstände, insbesondere rohrförmige Probenbehälter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105129186A (zh) * 2015-09-21 2015-12-09 上海科华实验系统有限公司 试管架储运装置
CN105129186B (zh) * 2015-09-21 2017-03-01 上海科华实验系统有限公司 试管架储运装置

Similar Documents

Publication Publication Date Title
CA2827517C (fr) Simulateur de separation de phases thermique
US8802038B2 (en) Multi-chambered tissue containment system for molecular and histology diagnostics
CN1119651C (zh) 闪点自动检测的方法和装置
BRPI0818068B1 (pt) Recipiente para tecido com deslocamento de fluido para diagnóstico molecular e histológico
EP2008719A1 (fr) Dispositif de sécurité
US20180104681A1 (en) Collection bottle and method for detecting characteristic of sample
US20160251708A1 (en) Liquid dispensing device
EP1851525A1 (fr) Procede et appareil pour le traitement de tissus
RU45026U1 (ru) Аппарат для определения коррозионного действия нефтепродуктов на металлы
AU2013200908B2 (en) Multi-chambered tissue containment system for molecular and histology diagnostics
RU2571278C1 (ru) Способ оценки деэмульгирующих свойств масел
BRPI0605199B1 (pt) Equipamento para avaliar a estabilidade de emulsões de líquidos e método de teste.
US20160334337A1 (en) Analysis kit for identification of drugs
CA2891396A1 (fr) Trousse d'analyse servant a l'identification des drogues

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK RS

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20090623