EP2803596B1 - Hermetisches verschlusssystem für einen behälter und behälter mit einem solchen verschlusssystem - Google Patents

Hermetisches verschlusssystem für einen behälter und behälter mit einem solchen verschlusssystem Download PDF

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Publication number
EP2803596B1
EP2803596B1 EP12794737.2A EP12794737A EP2803596B1 EP 2803596 B1 EP2803596 B1 EP 2803596B1 EP 12794737 A EP12794737 A EP 12794737A EP 2803596 B1 EP2803596 B1 EP 2803596B1
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EP
European Patent Office
Prior art keywords
receptacle
lid
closure
strip
closure system
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EP12794737.2A
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English (en)
French (fr)
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EP2803596A1 (de
Inventor
Jorge Horacio SÁNCHEZ TABOAS
Marcos José SÁNCHEZ TABOAS
Ignacio Javier SÁNCHEZ TABOAS
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Individual
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Individual
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
    • B65D45/02—Clamping or other pressure-applying devices for securing or retaining closure members for applying axial pressure to engage closure with sealing surface

Definitions

  • the present invention relates to a new closure system which combines the benefits of bayonet closure systems, spring lever closure systems, friction closure systems and hinge closures.
  • One of the technical fields wherein this is included is in container manufacture.
  • the object of the invention relates to a closure assembly for a receptacle, as well as the receptacle itself adapted to being closed with said closure assembly.
  • Closure systems applied to receptacles have made it possible, throughout history, to protect the content of the receptacle from its environment, protection against undesired elements, as well as protection of the content from spilling. Since ancient times, any type of container has required a lid, a closure or a combination of both. As an example of this, we can find from corncobs, used by the Latin American indigenous peoples to close bottles, to very thick olive oil that the ancient Romans used to seal their bottles, to the wood and pitch cap, etc.
  • Airtightness has been designated as the barrier between food and the environment to prevent the action of microorganisms and preserve food from adverse climatic conditions that favour oxidation.
  • the main closures used in receptacles are: friction closures, wherein the lid can be removed with the pressure of a finger, by sliding or prying off.
  • Twist off closures wherein the receptacle has a twist off closure which may be of the type of screw closure, buttress thread, with plastisol, etc.
  • the ring in these closures may be of type of short continuous cord, long continuous cord, twist off, pry off, lug amerseal, etc., as well as closures by double or permanent tongue-and-groove closure, and pressure tongue-and-groove, or the closures of the atmospheric type used in aerosols.
  • bayonet closure systems are known, named in utility models and patents such as Spanish utility model U0277708 "Bayonet-type pressure cooker", and the Spanish patent E94103580 "Pressure cooker with bayonet closure”.
  • Another closure system to be highlighted is that named in the European patent application 00103090.7 “Closure system”. Among them we can highlight the existence of bayonet-type receptacle closures and the typical use of spring levers in the locks.
  • the main problem of the type of closures mentioned, and not mentioned in this document, is that the airtightness, defined as the property generated by a receptacle as a whole so that it does not let the air or other fluids pass through, is easily achievable in closures for receptacles of circular type or in other receptacles through sealing systems. Of the latter, we underline that they do not allow hermetic closure after their opening. A consequence of this is that the airtightness, and/or watertightness, required for receptacles designed to be a barrier to fluids at high pressure such as fluids in air transport, fluids in a pressure cooker and others are relegated to being transported in circular-section receptacles.
  • airtightness and/or watertightness, at high internal or external pressures, of a receptacle with non-circular section is a very difficult task to achieve with current closure systems or methods.
  • the airtightness and/or watertightness achieved with the closure object of the present invention, in the receptacles wherein it is coupled, is an airtightness and/or watertightness at internal pressures that considerably exceed those required by the transport of hazardous goods, not to mention the fact that achieving a closure for these types of receptacles, having non-circular section, and maintaining the advantages inherent to the logistics of a receptacle or container having non-circular section, makes the task much more complicated.
  • document WO2008151368 describes a closure system according to the preamble of appended claim 1 and a method for connecting at least a first component and a second component together, wherein each said component comprises at least one keyway arrangement extending along the component and keyways of the keyway arrangement are spaced apart from one another, said method comprising the steps of: aligning the keyway arrangements of the first and second components such that the keyways intermesh to provide a keyway passage extending longitudinally between the intermeshed keyways; and extending a keyway connector comprising an arrangement of keys longitudinally within the keyway passage such that the keys engage the keyways of the keyway arrangements to lock the first and second components together.
  • the inventors have developed the current closure system, which combines the advantages of friction, sliding, bayonet closures, hinge closures and the spring-lever operating system in locks.
  • the present invention resolves the closure of receptacles with polygonal section wherein it is necessary to maintain airtightness and/or watertightness conditions in extreme conditions, such as high internal or external pressures reached in the transport of goods in liquid or solid form in the hold of aeroplanes and for all use wherein extreme airtightness is necessary.
  • extreme conditions such as high internal or external pressures reached in the transport of goods in liquid or solid form in the hold of aeroplanes and for all use wherein extreme airtightness is necessary.
  • the problem in the holds of aeroplanes arises since, due to the altitude, the pressure conditions that can be found during the flight in extreme conditions may be in the order of 0.68 kPa (0.68 bar, 10 lb/in 2 ).
  • the hermetic closure system is designed for a receptacle having polygonal section, (comprising body and lid), which must be closed hermetically, said closure comprising:
  • the closure system comprises a lower part situated in the upper open part of the body of a widened receptacle.
  • Said lower part comprises a flat base wherein a system of first tabs is disposed separated in the longer two sides of the expansion of the receptacle and with a single tab which covers the front part of the receptacle, which is slightly introduced in the side of the flat base, and the fixed part of a hinge system.
  • a rigid strip located perimetrically in the open upper part of the body of the widened receptacle.
  • Said strip is composed of a form marked by the form of the closure system located in the open upper part of the body of the widened receptacle.
  • the form described will correspond to the perimetric form having one of its sides, being that of the lower side which has the hinge system, free.
  • the strip has a section in alternate U-shape section with an L-section. The variation in the sections corresponds to the fact that the section, in the areas where there is a first tab, is U-shaped, and where there is the free space between the first two consecutive tabs, it is L-shaped.
  • the first tabs are located in the lower parts of the long sides of the strip, having in the remaining side a U-section altered in its middle part by a long L which acts a handle.
  • the strip also has in its long sides two openings on each side, which perform the function, with the aid of the corresponding bolts, of a guide for the strip in its longitudinal displacement.
  • the receptacle lid has a section and shape in accordance with the open upper part of the body of the widened receptacle, and has a channel for the perfect coupling of the metal device or strip. This channel is in the two longest sides of the lid and on the side opposite that of the housing of the moving part of the hinge composed of the lid and the body. Furthermore, the lid has two cavities, with or without metal insert, and on each side for the disposal of (preferably) four bolts for the fastening and guide of the strip to the lid.
  • the strip is disposed on the lid through the bolts, which through the aforementioned side openings of the strip, shall perform the closed and open positions of the assembly.
  • the strip In the open position, the strip displaces by sliding or friction through the lid guides with the aid marked by the bolts, this final position coincides with the displacement of the strip towards the opposite side of the hinge.
  • the strip In its final, or open, path, the strip has the first tabs in the free space left by the tabs of the open upper part of the body of the widened receptacle. In this way, it allows the pivoting and the opening of the hinge closure formed by the body and the lid.
  • the closure In its final, or closed, path, the closure is disposed in the closest part to the hinge, wherein that the tabs of the strip, and the tabs of the open upper part of the body of the widened receptacle are one on the other. This prevents the opening of the closure by the pivoting or the operation of the hinge.
  • the lid has a seal throughout its perimeter. This seal has a bilabial or torus of revolution section and a hardness so that it allows the sliding of the strip and also maintains the airtightness and/or watertightness of the assembly.
  • the contact of the closure seal with the receptacle body is performed in the portion of material left in the tray, which is the open upper part of the body of the widened receptacle, and the internal cavity of the receptacle, which is the base of the tabs.
  • the disposition of the assembly enables that when the receptacles are filled at normal atmospheric pressure of approximately 100 kPa, the reductions in pressure or the overpressures, which tend to cause the discharge of the liquid contents of the receptacles, or even make them explode, do not occur.
  • FIG. 1 relates to a hermetic closure system (1) for a receptacle and to a receptacle (30) equipped with said closure system (1).
  • the hermetic closure system (1) comprises an assembly of fixed tabs (26) disposed alternately in the longer sides of a body (8) of a receptacle and structurally integrated.
  • the closure system (1) further comprises a metal strip (14) equipped, in turn, with a plurality of second tabs (17), designed to fit into first spaces defined between each two consecutive first tabs (26), during the displacement of the strip (14), a hinge system (7) being disposed in a lid (2) and in the body (8), as will be explained below.
  • the strip (14) is situated perimetrically in the open upper part of the body (8).
  • the form described will correspond to the perimetric form, being one of its sides, that of the lower side which has the hinge system, free.
  • the strip has a U-shaped section alternated with an L-section.
  • the variation in the sections correspond to the fact that the section in the areas where there is a first tab is U-shaped, and where there is a free space between the first two consecutive tabs, it is L-shaped.
  • the hinge closure (7) comprises articulation devices (25), disposed in the second pivoting side (21), separated by a space (24) in a body (8), and articulation devices (11) separated by a space (12) in a lid (2) disposed in the first pivoting side (6). Both parts of the receptacle, body (8) and lid (2), are joined by a hinge (7) through the articulation devices (25) and (11), interconnected through the spaces (24) and (12) by means of a bolt or rod (13).
  • This closure system further comprises a seal (19) disposed in a lid (2) with a bilabial or torus of revolution section, which performs the function of airtightness with the horizontal displacement, or friction, of the strip (14) from the open position, according to figure 1 , to the closed position, and the hinge closure (7).
  • the horizontal displacement of the strip (14) is performed by the longer sides of the receptacle (22) and (9) applying a horizontal force in the grip or handle (18) which transfers to the strip (14) from an open position, according to figure 1 , wherein the tabs or spring levers (27) of the strip (14) coincide in the first free spaces (27) of the body (8) which allow the opening in book form through the hinges (7) to access the interior of the receptacle (8).
  • the horizontal movement of the strip (14) perimetrically closes the first free side of the lid (10) with the second free sides (23) of the body (8) and also closes the first closure sides, the longest, (9) of a lid (2) with the second closure sides (22) of a body (8).
  • This displacement is guided through the assembly formed by grooves (15) in the strip (14) and stops or bolts (16) disposed in orifices (41) in a lid (2), which may go directly or with metal insert.
  • the receptacle (30) is formed by a lid (2) equipped with a flat base (3) in its lower zone and a first upper portion (4) having a dome form, to be able to house cooling means (not shown), and equipped with gripping means (5) to grip said lid (2) from the exterior, as well as to perform the opening with hinge system (7) of the lid (2).
  • the base (3) has a substantially polygonal form, on one of the sides thereof, called first pivoting side (6), are disposed articulation means (7) adapted for their articulated joining with a body (8), of a receptacle (30), as will be explained below.
  • the base (3) further comprises first closure sides (9) adjacent to the first pivoting side (6), and first free side (10) opposite the first pivoting side (6).
  • the strip or closure device (14) is disposed substantially throughout the first closure sides (9).
  • the closure element (14) has a profile that can externally fit in said first closure sides (9), wherein it is displaceably fixed.
  • the closure element (14) comprises a groove (15) along which it will displace with respect to its corresponding first closure side (9).
  • Two stops or bolts (16) fixed to each one of the first closure sides (9), determine the end points of the displacement and keep the first closure sides (9) connected to the closure element or strip (14).
  • the closure element or strip (14) comprises in the lower part a plurality of fixed tabs, spring levers or flanges (17) folded and separated from one another, adapted to perform a form closure with the body (8), of the receptacle (30), as shall be explained later.
  • the closure device or strip (14) has a grip or handle (18) in its end farthest from the first pivoting side (6), surrounding the first free side (10).
  • the lid (2), of the receptacle (30) incorporates a seal (19) which can be inserted in the lower part of the base (3), which has an open or bilabial profile, with the opening directed towards the fixed tabs, spring levers or flanges (17).
  • the receptacle (30) further comprises a body (8) which has a parallelepipedic form, of widened receptacle, and comprises a second upper portion (20) in quadrangular form with the base (3) of the lid (2).
  • the second upper portion or tray (20) comprises, similar to the lid (2), a second pivoting side (21), two second closure sides (22) adjacent to the second pivoting side (21), and a second free side (23) opposite the second pivoting side (21).
  • the second closure sides (22) are equipped with fixed tabs, spring levers or flanges (26) projecting outwards, and separated by first spaces (27).
  • the fixed tabs, spring levers or flanges (17) are housed in said first spaces (27).
  • the lid (2) can pivot around the rod (13) with respect to the body (8) of the receptacle (30) and open or close said receptacle (30).
  • the closure element (14) can displace towards a second end position, wherein its fixed tabs, spring levers or flanges (17) have slid under the fixed tabs, spring levers or flanges (26) of the body (8), establishing a form closure between the fixed tabs, spring levers or flanges (17) of the strip (14) and the fixed tabs, spring levers or flanges (27) of the body (8) which prevents the pivoting between the lid (2) and the body (8) of the receptacle (30) keeping said receptacle (30) closed in secure manner and maintaining the airtightness and/or watertightness for the stipulated requirements.
  • the articulation means (7) comprises a plurality of second teeth (11) separated by second spaces (12) and disposed along the pivoting side (6) and protruding from the base (3).
  • the second teeth (11) are bored according to the direction of the first pivoting side (6) to enable the passage of a connecting rod (13).
  • the second pivoting side (21) longitudinally comprises a plurality of third spaces (24) that define third teeth (25) separated by said third spaces (24) and which are bored in longitudinal direction, corresponding to the second spaces (12) and second teeth (11), to house the rod (13) which allows a pivoting joint between the lid (2) and the body (8), of the receptacle.
  • the body (8) of the receptacle (30) comprises an insert (28) to house, in a lateral face, a valve (29) with tared pressure to remove gases from inside the receptacle (30).
  • the receptacle (30) is designed for, but not limited to, the health area, to transport primary containers (31, 32) with samples, for example, tubes (31) with blood samples, as well as vessels (32) with urine or stool samples.
  • the lid (2) is equipped in its upper portion (4) with ribs (33) which protrude towards the body (8), to serve as support for the cooling means for the primary containers (31, 32) transported, improving the biological stability of the sample during transport.
  • means of adjustment can be incorporated in the bottom of the receptacle (8), wherein the primary containers (31, 32) are disposed, to adjust the height of said primary containers (31, 32), so that they can make contact with the ribs (33).
  • the receptacle (30) can incorporate within the body (8) a test-tube stand (35) to be able to arrange the primary containers (31, 32) inside in orderly fashion.
  • Said test-tube stand (35) comprises a first rack (36) with first orifices (37) to house the primary containers (31) and a second rack (38) disposed on the first rack (36), also with second orifices (39), to house the tubes (31) through said orifices (37, 39).
  • the first (36) and second (38) racks can be interconnected at a certain distance by means of pillars (40) which are disposed through respective grooves (not shown) existing in the racks (36, 38).
  • At least one of the pillars (40) comprises second gripping means (42) to facilitate the introduction and extraction of the test-tube stand (35) in the receptacle (8). Furthermore, the pillars (40) may be flat and contain spaces (42) to lighten the weight.
  • the secondary container has space to hold, in accordance with the legislation, absorbent material, for example, polypropylene sheets, to absorb the entire content in the case of breakage of the primary containers.
  • absorbent material for example, polypropylene sheets
  • the preferred capacity is fifty tubes (31) of blood sample or, alternately, eight vessels (32) of urine sample.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Sampling And Sample Adjustment (AREA)

Claims (9)

  1. Hermetisches Verschlusssystem (1) für Behälter, entwickelt zur Verwendung in einem Behälter mit einem Gehäuse (8), das einen vieleckigen Querschnitt hat, umfassend:
    - eine Vielzahl von ersten feststehenden Laschen (26), die abwechselnd an den längeren Seiten (22) des Gehäuses (8) angeordnet sind, zwischen denen abwechselnd erste Räume (27) definiert sind;
    - einen vieleckigen Deckel (2) mit einem Querschnitt gemäß dem Gehäuse (8) des Behälters (30) und dadurch gekennzeichnet, dass er umfasst:
    - einen Streifen (14) aus starrem Material, umfassend:
    - eine Vielzahl von zweiten feststehenden Laschen (17) die aus dem Streifen gefaltet sind
    und voneinander getrennt sind, und angepasst sind, um einen Formschluss zusammen mit der Vielzahl von ersten feststehenden Laschen (26) auszuführen; und
    - mindestens einen Kanal oder eine Nut (15); und wobei der Deckel ausgestattet ist mit
    - einer Dichtung (19), die an der Unterseite (3) des Deckels eingesetzt werden kann, und
    - Öffnungen (41); und
    - Schrauben (16), die in den Öffnungen (41) befestigt sind;
    wobei der Streifen (14) am Umfang um den Deckel (2) angeordnet ist und mindestens eine Seite des Deckels (2) frei lässt, und der Streifen (14) am Deckel (2) angebracht ist, sodass er entlang der zwei ersten Verschlussseiten (9) des Deckels (2) mittels der Schrauben (16), die durch die Nuten (15) eingesetzt sind, verschiebbar ist.
  2. Verschlusssystem (1) nach Anspruch 1, dadurch gekennzeichnet, dass der Streifen (14) horizontale Schiebeverschlussmittel hat.
  3. Verschlusssystem (1) nach Anspruch 1, wobei der Deckel (2) und das Gehäuse (8) ein Scharniersystem (7) haben.
  4. Behälter (30) dadurch gekennzeichnet, dass er das hermetische Verschlusssystem (1) enthält, das in jedem der Ansprüche 1 bis 3 beschrieben wird.
  5. Behälter (30) nach Anspruch 4, dadurch gekennzeichnet, dass er zum Aufnehmen von Lebensmitteln entwickelt ist.
  6. Behälter (30) nach Anspruch 4, dadurch gekennzeichnet, dass er zum Aufnehmen von Gefahrgütern entwickelt ist.
  7. Behälter (30) nach Anspruch 4, dadurch gekennzeichnet, dass er zum Aufnehmen von biologischen Produkten entwickelt ist.
  8. Behälter (30) nach einem der Ansprüche 4-7, dadurch gekennzeichnet, dass er einen Einsatz (28) zum Aufnehmen eines Ventils (29) mit einem eingestellten Druck umfasst, um Gase aus dem Behälter (8) zu entfernen.
  9. Verwendung des beschriebenen Behälters in jedem der Ansprüche 4-8 zum luftdichten Transport von Produkten unter Bedingungen, wo inner- oder außerhalb des Behälters (30) ein Druckabfall oder Überdruck auftreten kann, was den Austritt des flüssigen und/oder soliden Inhalt aus der Innenseite des Behälters (30), oder aus Behältnissen innerhalb des Behälters verursachen kann.
EP12794737.2A 2011-11-15 2012-10-11 Hermetisches verschlusssystem für einen behälter und behälter mit einem solchen verschlusssystem Active EP2803596B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201131841A ES2404982B1 (es) 2011-11-15 2011-11-15 Sistema de cierre hermético para recipiente y recipiente que incorpora dicho sistema de cierre y uso del mencionado recipiente
PCT/ES2012/070706 WO2013072536A1 (es) 2011-11-15 2012-10-11 Sistema de cierre hermético para recipiente y recipiente que incorpora dicho sistema de cierre

Publications (2)

Publication Number Publication Date
EP2803596A1 EP2803596A1 (de) 2014-11-19
EP2803596B1 true EP2803596B1 (de) 2016-07-20

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Application Number Title Priority Date Filing Date
EP12794737.2A Active EP2803596B1 (de) 2011-11-15 2012-10-11 Hermetisches verschlusssystem für einen behälter und behälter mit einem solchen verschlusssystem

Country Status (3)

Country Link
EP (1) EP2803596B1 (de)
ES (1) ES2404982B1 (de)
WO (1) WO2013072536A1 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES277708Y (es) 1984-02-24 1985-02-16 Radar, S.Coop. Olla a presion de tipo bayoneta
IT220659Z2 (it) * 1990-10-31 1993-10-08 Marelli Autronica Contenitore per apparecchiature elettroniche
DE19906902A1 (de) * 1999-02-19 2000-08-24 Kueppersbusch Hausgeraete Ag Dampfgargerät
ES2261029B1 (es) * 2004-09-03 2007-11-01 Sanypick Plastic, S.A. Contenedor de muestras para diagnostico.
CA2727140C (en) * 2007-06-13 2015-07-14 Joinlock Pty Ltd Connecting mechanism

Also Published As

Publication number Publication date
EP2803596A1 (de) 2014-11-19
ES2404982A2 (es) 2013-05-29
ES2404982R1 (es) 2013-10-25
ES2404982B1 (es) 2014-09-10
WO2013072536A1 (es) 2013-05-23

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