US20100270896A1 - Undercounter safety cabinet - Google Patents

Undercounter safety cabinet Download PDF

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Publication number
US20100270896A1
US20100270896A1 US12/765,159 US76515910A US2010270896A1 US 20100270896 A1 US20100270896 A1 US 20100270896A1 US 76515910 A US76515910 A US 76515910A US 2010270896 A1 US2010270896 A1 US 2010270896A1
Authority
US
United States
Prior art keywords
liner
safety cabinet
panels
cabinet body
door
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
Application number
US12/765,159
Other languages
English (en)
Inventor
Frank Backhaus
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.)
Dueperthal Sicherheitstechnik GmbH and Co KG
Original Assignee
Dueperthal Sicherheitstechnik GmbH and Co KG
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 Dueperthal Sicherheitstechnik GmbH and Co KG filed Critical Dueperthal Sicherheitstechnik GmbH and Co KG
Assigned to DUEPERTHAL SICHERHEITSTECHNIK GMBH & CO. KG reassignment DUEPERTHAL SICHERHEITSTECHNIK GMBH & CO. KG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BACKHAUS, FRANK
Publication of US20100270896A1 publication Critical patent/US20100270896A1/en
Abandoned legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B81/00—Cabinets or racks specially adapted for other particular purposes, e.g. for storing guns or skis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L1/00—Enclosures; Chambers
    • B01L1/50—Enclosures; Chambers for storing hazardous materials in the laboratory, e.g. cupboards, waste containers
    • 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
    • B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/02—Adapting objects or devices to another
    • B01L2200/028—Modular arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/04—Closures and closing means
    • B01L2300/041—Connecting closures to device or container
    • B01L2300/043—Hinged closures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/08—Geometry, shape and general structure
    • B01L2300/0848—Specific forms of parts of containers
    • B01L2300/0854—Double walls
    • 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
    • B01L2300/12—Specific details about materials
    • 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
    • B01L9/02—Laboratory benches or tables; Fittings therefor

Definitions

  • the present invention relates to a safety cabinet. More particularly this invention concerns an undercounter safety cabinet with a hinged door.
  • a typical such safety cabinet as described in DE 93 17 218 is installed underneath a laboratory table or bench. Not only hazardous substances such as combustible fluids (for example alcohol), but also acids and bases are frequently used in laboratories and must be stored in such a cabinet.
  • combustible fluids for example alcohol
  • acids and bases are frequently used in laboratories and must be stored in such a cabinet.
  • Acids and bases must be segregated from other hazardous substances mentioned above, in particularly flammable ones.
  • acidic or basic materials present their own problems. This is because acid vapors, for example, (or also basic vapors) attack almost all materials from which such safety cabinets are made, namely metal plates, hinges, handles, guide rails, etc. Since there is an increasing demand nowadays to store not only hazardous substances but also acids and bases close to their location of use, suitable provision has to be made. This is because many laboratories are increasingly reducing the amount of chemical supplies that were stored elsewhere previously, and storing them directly in the laboratory, in order to keep transport distances and possible down times as low as possible.
  • Another object is the provision of such an improved undercounter safety cabinet that overcomes the above-given disadvantages, in particular that provides problem-free storage of all materials required in the laboratory, particularly acids and bases.
  • a safety cabinet has according to the invention a rigid cabinet body having an open front, a door carried on the body and fittable against the open front to close same, and a box-shaped liner fitting inside the body and independent therefrom.
  • a cabinet of the described type has a liner that is independent of the cabinet body and that covers the interior of the cabinet body in whole or in part.
  • the liner according to the invention is therefore designed to be independent of the cabinet body.
  • the liner is made to be separate from the cabinet body and/or forms its own three-dimensional body separate from the cabinet body.
  • an existing cabinet body can be equipped with the liner, the cabinet can be retrofitted with the liner, and the liner can be replaced.
  • the connection of the liner with the cabinet body can be structured to be permanent or also releasable.
  • the invention proposes special attachment means that are usually structured to be resistant to acids, bases, etc., for example.
  • So-called plastic nails for example, have proven to be advantageous as attachment means. This is because on the one hand, the liner can be secured with regard to the cabinet body, using the plastic nails, and on the other hand, it can be fixed in place in its desired position relative to the cabinet body.
  • the liner and its attachment means are made to be resistant to acids, bases, etc.
  • the liner is configured to be completely or partially self-supporting. This means that the liner makes do without any special support frame, and is in fact able to form a housing, in other words a closed three-dimensional body, essentially without the cabinet body.
  • support functions of the liner are assumed by the liner itself. All the panels consequently serve essentially as shells, and absorb forces that are introduced, in their entirety.
  • the liner is made from plastic, for example a thermoplastic synthetic resin.
  • plastics are polyethylene or also polypropylene.
  • PE polyethylene
  • PP polypropylene
  • PA polyamide
  • thermoplastic synthetic resins in general, and polyethylene, polypropylene, but also polyamide (PA) are specifically characterized by their special suitability for serving as the material for the liner of the cabinet body, which is used according to the invention and is preferably self-supporting.
  • the cabinet body is configured to be divided into at least two compartments.
  • the invention takes into consideration the fact that hazardous substances and acids as well as bases, etc. are not allowed to be stored together, but only separately. Consequently, the cabinet body according to the invention advantageously has a hazardous substance compartment and an acid/base compartment.
  • the hazardous substance compartment serves to keep on hand hazardous substances such as alcohol that are flammable, while the acid/base compartment accommodates acids, bases, or comparable fluids.
  • the design is such that only the acid/base compartment is equipped with the liner described.
  • the cabinet can be produced in a particularly cost-advantageous manner. This is because the liner is only used in the region of the cabinet body that is exposed to acid vapors and basic vapors, and consequently to increased corrosive wear.
  • the invention takes the circumstance into account that such safety cabinets are generally configured as steel cabinets, or also as wooden cabinets with a plastic coating, for example.
  • the plastic liner ensures that the acid/base compartment of the cabinet body, in particular, is protected, and this necessarily relates to acid/basic vapors that are formed.
  • the liner is configured in multiple parts.
  • individual ones of the aforementioned panels can also be combined. This can be done in such a manner that the floor panel and one or more wall panels, for example, are designed in one piece.
  • Such embodiments are fundamentally known, and reference is made to DE 1 920 640 U1, as an example. However, this involves a plastic box for the interior construction of delivery trucks, which means that a completely different technology is being described.
  • the panels are fixed in place relative to one another, at least in part.
  • the panels can also be placed inside the cabinet body in engagement with one another.
  • the cabinet body that encloses the liner additionally ensures that the liner is held.
  • the individual panels advantageously form a self-supporting box, independent of the cabinet body, in other words a box that is open toward the door, which box forms a housing together with the door.
  • the panels can consequently be retrofitted into an existing cabinet body, for example.
  • any gaps that remain between the individual panels are sealed (caulked), if necessary, after the liner has been affixed in the cabinet body.
  • the door hinged on the cabinet body carries a panel that is fixed to the door.
  • This door panel can be glued to the door, or can be connected with it adhesively in some other way, or connected in a different manner.
  • the other panels of the liner which can also be adhesively connected with the cabinet body.
  • the individual panels are connected with the cabinet body using the special attachment means made of plastic, particularly by means of plastic nails that are releasable.
  • the design can be such, overall, that any door hinge or other functional elements is outside the box formed by the floor panel, the roof panel, the wall panels, and the door panel.
  • the housing for the acids, bases, etc., formed by the panels essentially forms an inner and almost completely sealed shell in the safety cabinet or in the acid/base compartment.
  • the cabinet body and any functional elements of the cabinet body, such as hinges, locks, latches, etc., are situated outside this shell.
  • these functional elements and the individual parts of the cabinet body are segregated from acid vapors or also basic vapors that necessarily occur. This is because according to the invention, the liner is provided at these locations.
  • the safety cabinet according to the invention according to the invention generally has an exhaust opening and stands in connection with an exhaust unit that is present in the laboratory, in any event. This means that the vapors in question are constantly drawn off.
  • any installed elements inside the acid/base compartment or on the inside of the liner are also made of a resistant material.
  • These installed elements can be, without restriction, a guide rail for a drawer.
  • This guide rail like the panels, is advantageously made from polypropylene or polyethylene or a comparable thermoplastic synthetic resin.
  • Attachment parts made of polyamide, for example, can be used to attach the guide rail.
  • the rollers required for drawers are also produced from this material.
  • This drawer will advantageously be made of a thermoplastic synthetic resin that is resistant to acids/bases or the like.
  • a thermoplastic synthetic resin that is resistant to acids/bases or the like.
  • all installed parts or also movable parts inside the shell formed by the liner are advantageously also produced from a resistant material, for example a thermoplastic synthetic resin.
  • the self-supporting shell formed from the individual panels, in combination with the door panel forms an almost completely sealed space, i.e. the housing, which only has a (small) gap between the door panel and the remainder of the shell.
  • the housing is formed by the floor panel, the roof panel, as well as the wall panels, in combination with the door panel.
  • the cabinet that is particularly suitable as an undercounter safety cabinet.
  • this undercounter safety cabinet can easily be placed underneath a laboratory table, and serves to accommodate practically all hazardous substances that are needed in a laboratory, as well as acids/bases.
  • the cabinet according to the invention is divided into at least two compartments, namely into the hazardous substance compartment and the acid/base compartment.
  • the acid/base compartment has a liner.
  • This liner forms an almost sealed shell (housing) for the acids/bases kept on hand in its interior. Any functional elements of the cabinet body, as well as the cabinet body as such, are situated outside of this shell, in other words cannot (any longer) be attacked by vapors that occur in the interior. Completely aside from this, of course, such vapors are continuously removed from the interior by means of an exhaust system.
  • a liner composed of multiple plastic panels and that is at least partially self-supporting, is also an object of the invention.
  • This liner is used to completely or partially cover the interior of a cabinet body.
  • the cabinet body itself is an integral part of the cabinet in question, particularly the safety cabinet.
  • the cabinet body is equipped with at least one door hinged on the cabinet body.
  • the cabinet, particularly the safety cabinet has at least one such cabinet body. It is particularly advantageous if the safety cabinet is an undercounter safety cabinet.
  • FIGURE is a partly exploded perspective view of the cabinet according to the invention.
  • an exhaust hood 1 is provided above a laboratory table 2 .
  • An undercounter cabinet 3 configured as an undercounter safety cabinet 3 is provided underneath the table 2 .
  • the undercounter safety cabinet 3 is composed, in its fundamental structure, of a cabinet body 4 as well as two doors 5 secured by vertical-axis hinges 12 onto the cabinet body 4 .
  • the doors 5 here are pivotal and each have a handle 11 .
  • the body 4 is rigid and basically parallepipedal with planar and rectangular side walls, a planar back wall extending vertically between rear edges of the vertical side walls, and planar top and bottom walls extending horizontally between upper and lower edges of the side walls.
  • the walls together form a forwardly open box that is internally divided by a vertical partition to form two forwardly open compartments 4 a and 4 b each having a respective one of the doors 5 .
  • the compartment 4 a is reserved for miscellaneous hazard substances and the compartment 4 b for acids and bases.
  • the cabinet body 4 is equipped with a liner 6 that covers the interior of the cabinet body 4 completely or partially, and is designed independent of the cabinet body 4 .
  • the liner 6 forms a three-dimensional structure that is independent of the cabinet body 4 , which structure is self-supporting and usable whether inside the body 4 or not.
  • the acid/base compartment 4 b is equipped with the liner 6 .
  • the liner 6 is comprised of several parts, namely a planar bottom panel 6 a , a planar roof panel 6 b , as well as three planar wall panels 6 c .
  • the individual panels 6 a , 6 b , 6 c can be partially fixed in place on one another, and, taken together, form a self-supporting shell 6 a , 6 b , 6 c , in other words a box that is open toward the door 5 .
  • the individual panels 6 a , 6 b , 6 c engage one another. Any gaps that remain between them are sealed.
  • a port 15 in the back panel 6 c aligns with an unillustrated exhaust-fan vent of the cabinet.
  • the panels 6 a , 6 b , 6 c are releasably connected with the cabinet body 4 .
  • each panel 6 a , 6 b , or 6 c can be adhesively secured to the cabinet body 4 .
  • attachment means or fasteners made of plastic are, without restriction, plastic nails such as partially shown at 13 that are provided with a head and a resilient transversely compressible split shaft.
  • the plastic nail or stud can be releasably anchored in a bore in the cabinet body 4 and consequently ensures fixation of the individual panels 6 a , 6 b , 6 c relative to the cabinet body 4 , which fixation is both releasable and precise in terms of position.
  • This type of fastening is not compulsory.
  • the individual panels 6 a , 6 b , 6 c form a self-supporting shell or box designed to be independent of the cabinet body 4 .
  • the individual panels 6 a , 6 b , 6 c are made of plastic, particularly of a thermoplastic synthetic resin such as polyethylene or polypropylene.
  • the liner 6 also includes a door panel 6 d that is fixed to the door 5 on its inside. All the panels 6 a , 6 b , 6 c , 6 d together form a practically sealed space, the resultant closed housing accommodates supplies of acids and/or bases in its interior. In this connection, the individual panels 6 a , 6 b , 6 c , 6 d fit together without any gaps. If any gaps do remain, they are also sealed with plastic.
  • the individual panels 6 a , 6 b , 6 c , 6 d form the liner 6 that is almost completely sealed, and merely has a slight gap at the edge of the door panel 6 d .
  • a lock for the pivotal door 5 , the handle 11 for the door 5 , the hinges 12 for the door 5 , etc., are outside this liner 6 .
  • these functional elements are not attacked by any acid/basic vapors that have formed inside the liner 6 formed by the panels 6 a , 6 b , 6 c , 6 d .
  • the cabinet shown has a long service life and excellent functionality, while still being manufactured at low cost.
  • any further inner parts inside the liner 6 are also of a thermoplastic material that is relatively unaffected by acids and bases, in the present case once again plastic.
  • These elements can include one or more guide rails 7 and 7 ′ that are made of polyethylene or polypropylene.
  • a drawer 14 made of a thermoplastic synthetic resin can be guided along the guide rails 7 , 7 ′.
  • Screws whose heads are covered with plastic caps also made of a thermoplastic synthetic resin, in order not to offer any attack surface to the acid vapors, can serve to secure the guide rails 7 , 7 ′ to the cabinet body 2 .
  • Each rail 7 , 7 ′ is made of two parts, namely a roller rail 7 and a slide rail 7 ′. Rollers that are not shown are guided on the roller rail 7 , to guide the drawer 14 .
  • the rail 7 ′ provides for positioning of the drawer 14 .
  • the individual panels 6 a , 6 b , 6 c , 6 d can be connected with the cabinet body 4 or the door 5 as a whole or only in part. This is because slots 8 are formed or provided that guide and accommodate the other panels 6 a , 6 b , 6 c , 6 d .
  • the side panels 6 c form the slots 8 in combination with the cabinet body 4 , which serve, in the present case, to hold the roof panel 6 b and the floor panel 6 a , slidingly accommodating is outer edges thereof.
  • the individual panels 6 a , 6 b , 6 c engage one another inside the cabinet body 4 .
  • the door panel 6 d in contrast, is connected with the door 5 and, by its nature, cannot permanently engage the other liner panels 6 a , 6 b , 6 c in the manner described.
  • the side wall panels 6 c are provided with folded-out edge tabs 9 at the opening of the cabinet body 4 that is closed by the door 5 . Lateral projections 10 on the floor panel 6 a and on the roof panel 6 b fit with these folded edge tabs 9 of the two lateral wall panels 6 c.
  • the folded edge tabs 9 of the two lateral wall panels 6 c essentially serve as stops for the floor panel 6 a and the roof panel 6 b .
  • the two panels 6 a , 6 b can only be introduced into the cabinet body 4 until their lateral projections 10 lie against the folded edge tabs 9 .
  • both the floor panel 6 a and the ceiling panel 6 b project outward beyond the front edge of the side panels 6 c formed by the folded edge tabs 9 .
  • This projection is defined by the width of the lateral projections 10 in the insertion direction, and ensures that both the floor panel 6 a and the ceiling panel 6 b extend below and above the door panel 6 d when the door 5 is closed.

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  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Assembled Shelves (AREA)
  • Cabinets, Racks, Or The Like Of Rigid Construction (AREA)
  • Laminated Bodies (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
US12/765,159 2009-04-24 2010-04-22 Undercounter safety cabinet Abandoned US20100270896A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE202009006075U DE202009006075U1 (de) 2009-04-24 2009-04-24 Schrank, insbesondere Sicherheitsschrank
DE202009006075.6 2009-04-24
EP10001983A EP2243551B1 (de) 2009-04-24 2010-02-26 Schrank, insbesondere Sicherheitsschrank
EP10001983.5 2010-02-26

Publications (1)

Publication Number Publication Date
US20100270896A1 true US20100270896A1 (en) 2010-10-28

Family

ID=40847738

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/765,159 Abandoned US20100270896A1 (en) 2009-04-24 2010-04-22 Undercounter safety cabinet

Country Status (5)

Country Link
US (1) US20100270896A1 (pl)
EP (1) EP2243551B1 (pl)
DE (1) DE202009006075U1 (pl)
ES (1) ES2400367T3 (pl)
PL (1) PL2243551T3 (pl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202011002169U1 (de) * 2011-01-31 2012-05-02 Rehau Ag + Co Bausatz
CN103610321B (zh) * 2013-11-29 2017-01-04 苏州市亿达净化实验室设备有限公司 一种实验室用物品柜的使用方法
CN113058675A (zh) * 2021-03-26 2021-07-02 安徽金石创一教育管理有限公司 一种多功能教学用实验台

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US2124250A (en) * 1937-06-28 1938-07-19 Merritt C Hoag Bacteria plate cabinet
US3185534A (en) * 1963-06-07 1965-05-25 Jr John Peters Safety container for toxic materials
USRE27066E (en) * 1969-07-24 1971-02-16 Safety storage cabinet
GB2085286A (en) * 1980-10-10 1982-04-28 Diver Viss Srl Furniture unit
DE3202304A1 (de) * 1982-01-26 1983-07-28 Christian Miesen Fahrzeug- Und Karosseriewerk Gmbh, 5300 Bonn Schrank mit herausnehmbarer schublade, insbesondere fuer krankenfahrzeuge
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US5090571A (en) * 1991-03-15 1992-02-25 Zimmer, Inc. Medical container liner
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US20050244306A1 (en) * 2004-01-06 2005-11-03 Hermann Stahl Climate control unit with germ-proof separated sections
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EP2243551A2 (de) 2010-10-27
EP2243551A3 (de) 2011-06-29
EP2243551B1 (de) 2012-12-19
PL2243551T3 (pl) 2013-05-31
DE202009006075U1 (de) 2009-07-09
ES2400367T3 (es) 2013-04-09

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