EP1958704B1 - Dispositif pour délivrer de façon cadencée des portions de produit pâteux - Google Patents

Dispositif pour délivrer de façon cadencée des portions de produit pâteux Download PDF

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Publication number
EP1958704B1
EP1958704B1 EP07102361.8A EP07102361A EP1958704B1 EP 1958704 B1 EP1958704 B1 EP 1958704B1 EP 07102361 A EP07102361 A EP 07102361A EP 1958704 B1 EP1958704 B1 EP 1958704B1
Authority
EP
European Patent Office
Prior art keywords
channel
distributing
nozzle
sub
channels
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.)
Active
Application number
EP07102361.8A
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German (de)
English (en)
Other versions
EP1958704A1 (fr
Inventor
Heinz Müller
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.)
Robatech AG
Original Assignee
Robatech AG
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 Robatech AG filed Critical Robatech AG
Priority to EP07102361.8A priority Critical patent/EP1958704B1/fr
Priority to ES07102361.8T priority patent/ES2526918T3/es
Priority to CA2619291A priority patent/CA2619291C/fr
Priority to US12/031,351 priority patent/US7926683B2/en
Publication of EP1958704A1 publication Critical patent/EP1958704A1/fr
Application granted granted Critical
Publication of EP1958704B1 publication Critical patent/EP1958704B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
    • B05C5/0275—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve
    • B05C5/0279—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve independently, e.g. individually, flow controlled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0254—Coating heads with slot-shaped outlet
    • B05C5/0266—Coating heads with slot-shaped outlet adjustable in length, e.g. for coating webs of different width
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B65C2009/0071—Details of glueing devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1798—Surface bonding means and/or assemblymeans with work feeding or handling means with liquid adhesive or adhesive activator applying means

Definitions

  • the invention relates to a device for the successive dispensing of portions of pasty masses according to the preamble of claim 1.
  • a pasty mass such as an adhesive or with equal or different order periods and interruptions on an object or a sequence of objects to give it at intervals as possible with a strip or sheet-like Order to deposit the pasty mass.
  • the labeling of containers such as bottles, cans or other containers called.
  • a sequence of the bottles or cans to be labeled preferably guided in a vertical orientation, past a labeling station and provide each bottle or can with a label.
  • a first edge strip of a label by means of a Adhesive, which is usually applied only sporadically or sprayed, fixed along a vertical area on the bottle or can.
  • a second edge strip of the label which is opposite to the first edge strip, then a surface or strip order over label height of an adhesive is deposited.
  • the label is passed around the bottle or can and applied to it so that the second edge strip comes to rest over the first edge strip.
  • Labeling stations of this type with nozzle bodies for dispensing adhesives in the form of pasty masses are known. But they are subject to various disadvantages.
  • a first disadvantage of conventional labeling stations is that the adaptation of the labeling stations or the nozzle body for applying different high labels is cumbersome.
  • a height-adjusted nozzle body is used for each label size. If labels of a different height are then to be processed, the nozzle body must be replaced, which can only be done by carrying out lengthy assembly and adjustment processes.
  • a slot nozzle can be used with nozzle body, in whose main channel a piston is slidably mounted.
  • the main channel is parallel to the elongated slot of the slot nozzle.
  • Such a piston covers each one part of the slot nozzle, so that the corresponding part is inactive or no longer operational.
  • a main channel with a relatively large diameter is required because the main channel must distribute the pasty mass so that it exits uniformly through the slot of the slot nozzle.
  • a similar solution is from the utility model DE 20 2006 014743 U1 known. Again, the order width can be changed by adjusting a piston. Between a central adhesive distribution channel and a slot-shaped nozzle opening a plurality of spaced apart outlet channels are arranged. These outlet channels can be closed or opened by the piston.
  • Height-adjustable nozzle body can also be realized by instead of or in addition to a piston, a flag is provided which protrudes through the discharge area or slot of a slot nozzle and can be moved there to adjust the nozzle. Since such a flag requires a certain minimum wall thickness for reasons of strength, a relatively wider output range or slot must be provided. As a result, there is a growing danger that air will flow into the main channel during interruptions of the discharge of the mass. In addition, a wide discharge gap results in a high consumption of pasty mass and relatively thick layers of the applied pasty mass, which is generally undesirable.
  • a particular disadvantage of conventional nozzle body is that between the application processes of pasty mass ambient air enters the main channel, especially when a large main channel is provided with piston, and thereby parts of the mass escape from the channel system.
  • this is all the more the case the larger the cross-section of the main channel, and it can result in the pasty mass dispensed at the next cycle not arriving in a desired configuration or without forming a continuous bead on an application surface.
  • This is due to the fact that after the leakage or leakage of a part of the mass first the main channel must be filled again with mass, before again even pasty mass can be delivered. This latter problem is exacerbated by the height-adjustable nozzle body, because in these a relatively large-diameter main channel is required.
  • the object of the invention is to provide a device for clocked dispensing a pasty mass of the type mentioned above, wherein the pasty mass to be dispensed to form a continuous as possible, in the sense of uniform, application layer after clock breaks or other breaks.
  • This coating layer can be flat or linear and in this case especially caterpillars low height and thereby ensure a sparing consumption of pasty mass.
  • the new device comprises a nozzle body with at least one supply channel, with a main channel, with a plurality of distribution channels and with an extending over the length of the nozzle body discharge area, these four elements of the nozzle body in the delivery of portions of the pasty mass in the just genanten Flow through sequence.
  • the at least one supply channel can be fed with pasty mass and opens into the main channel, preferably in its lowermost region, that is to say below the distribution channels.
  • the main channel is arranged at least approximately vertically.
  • the distribution channels open in the common outlet area, they have inlet cross sections, which lie in the wall of the main channel, as well as outlet cross sections in the discharge area. The delivery area is limited by the nozzle body.
  • each distribution channel has a channel region rising in the direction of flow of the delivered pasty mass. In this way it is prevented that, in the event of interruptions in the delivery of the pasty mass, ambient air to a certain extent passes backwards through the distribution channels into the main channel, or in other words that the main channel draws in air. In this way, it can be achieved that no mass leaks and that thereby at a resumption of the delivery of pasty mass in the following cycle or after an interruption pasty mass always passes in a continuous and uniform configuration on the application surface.
  • the distribution channels are straight or curved, but in any case such that the outlet cross section of each distribution channel is arranged above the inlet cross section of the same distribution channel, whereby the rising channel region is formed.
  • each distribution channel has a siphon-like curved region in which the rising channel region is arranged.
  • Continuous caterpillars should also be formed, in particular, when the nozzle body has in its main channel a height-adjustable piston with which the device can be adjusted in a simple manner for dispensing caterpillars of different heights.
  • the nozzle body consists essentially of a first nozzle part body and a second nozzle part body.
  • Each of the nozzle part body has a contact surface, wherein in the mounted state of the device, the two contact surfaces bear tightly against each other.
  • the contact surfaces are preferably vertical and level.
  • Each of the nozzle sub-bodies also has an edge surface, wherein the edge surfaces do not hang together and do not abut each other but limit the distribution channels and the delivery area.
  • the distribution channels are practically always mounted only in the first nozzle part body, on a first surface, which is opposite to a second surface on the second nozzle part body.
  • These two surfaces are part of the contact surfaces with which the nozzle part body abut each other, wherein the distribution channels interrupt the contact surfaces.
  • the second of these surfaces that is, the surface which is arranged on the second nozzle part body, forms a covering surface for the distribution channels.
  • This cover surface is preferably flat, but may also be designed differently.
  • the base area of each distribution channel on the first nozzle part body which is opposite the masking surface on the second nozzle part body to some extent forms the here essentially vertically directed channel bottom.
  • the cross section of the supply channel is at least as large as the sum of the cross sections of the distribution channels.
  • the distribution channels in such a way that their depth, that is to say their dimension between the channel bottom of the first nozzle part body on the one hand and the covering surface of the second nozzle part body on the other hand, is greater in the region of the inlet cross sections than in the region of the outlet cross sections.
  • the cross section remains substantially the same.
  • Each distribution channel is preferably divided by an emanating from its channel bottom dam into an upper sub-channel and a lower sub-channel.
  • the dam does not extend to the covering surface of the distribution channel, so that the two sub-channels of the same distribution channel can communicate with each other.
  • This dam may widen towards the outlet cross-section, such that the sub-channels in the exit-side region run away from each other, preferably still communicating.
  • the outlet cross-section of the upper sub-channel of a certain distribution channel may be arranged substantially adjacent to the lower sub-channel of the adjacent, overlying distribution channel. Accordingly, the outlet cross-section of the lower sub-channel of the particular distribution channel is then arranged substantially adjacent to the upper sub-channel of the adjacent, underlying distribution channel.
  • the distribution channels preferably do not run in a straight line but form, for example, a very flat Z with rounded corners.
  • the resulting image of the distribution channels, looking at the contact surface of the first nozzle part body, is from a distance about that of a comb with wavy teeth or a rake with wavy teeth. More precisely, however, the distribution channels, with regard to their flow through, form a branched or slightly networked system, for instance in the manner of the branch arms of a delta of a river mouth, but with a very regular arrangement of the individual branch arms.
  • the main channel is oriented at least approximately vertically and has a piston displaceably arranged in the main channel, by the position of which the number and, if necessary, the position of the distribution channels to be flowed through by the pasty mass is determined.
  • the Fig. 1A and 2 show a first nozzle part body 10.1 of a device 10 according to the invention.
  • the device 10 according to the invention further comprises a second nozzle part body 10.2, which is only in Fig. 1B and Fig. 5 is visible.
  • the nozzle part body 10.1 is elongated and has a longitudinal axis A, which is directed at least approximately vertically in the mounted or usable state.
  • the nozzle sub-body 10. 1 has a feed channel 12, a main channel 14, a multiplicity of distribution channels 16 and a delivery region 18.
  • the elongate main channel 14 is cylindrical in the present embodiment, and its longitudinal axis coincides with the longitudinal axis A of the first nozzle part body 10.1.
  • the main channel 14 is sealed at the top, either by a fixed arrangement or, as in Fig. 2 shown by a longitudinally displaceable in the main channel, sealing piston 20th
  • the distribution channels 16 have inlet cross sections 16.1, which lie in the cylinder jacket-shaped lateral wall 14.1 of the main channel 14. Furthermore, the distribution channels 16 have outlet cross sections 16.
  • the nozzle sub-body 10. 1 has distribution channels 16 over only part of its length L, the inlet cross-sections 16. 1 of a part of these distribution channels 16 being closed by the piston 20.
  • Fig. 1B is an inventive device 10, referred to in the present case as a nozzle, shown in the assembled state. It can be seen from this figure that the nozzle 10 is composed of the first nozzle part body 10.1 and the second nozzle part body 10.2. The location of the main channel 14 is indicated by a dashed circle.
  • Fig. 3A the course of the distribution channels 16 in the present embodiment designed so that the outlet cross-sections 16.2 are at a higher level than the inlet cross-sections 16.1. This prevents air from entering the main channel 14 when the pasty mass is interrupted.
  • the distribution channels 16 do not run along a straight line but in the form of a very flat Z with strongly rounded corners.
  • the distribution channels 16 according to Fig. 3A be straight or according to Fig. 3B also have a siphon-like area. It is essential that the distribution channels 16, seen in the flow direction of the pasty mass, have at least one ascending channel region.
  • a discharge region 18 comprises the outlet cross-sections 16.2 of the distribution channels 16.
  • the delivery region 18 can, in a manner not shown, additionally be extended by a discharge gap into which the distribution channels 16 open.
  • FIG. 4 and FIG. 5 show excerpts Fig. 1A , in opposite Fig. 1A enlarged view.
  • Fig. 4 shows some of the distribution channels 16 in a diagram, each distribution channel 16 is divided into an upper part of the channel 16.4 and a lower part of channel 16.5.
  • Fig. 5 shows in sections in a section parallel to the longitudinal axis A, the first nozzle part body 10.1 with one of the distribution channels 16 and the second nozzle part body 10.2.
  • the in Fig. 5 shown distribution channel 16 extends, as usually all distribution channels, between a channel bottom 16.3 and the contact surface 10.3.
  • a dam 17 divides the sub-channel 16 into an upper sub-channel 16.4 and a lower sub-channel 16.5.
  • the dimension the dam 17 perpendicular to the contact surfaces 10.3, 10.4 ie, the height of the dam 17
  • the dimension the dam 17 perpendicular to the contact surfaces 10.3, 10.4 is less than the depth d of the distribution channel 16, so that the upper part of channel 16.4 and the lower part of the channel 16.5 communicate.
  • the width of the dam 17 may increase along the distribution channel 16, but the sub-channels 16.4 and 16.5 may still communicate.
  • each distribution channel 16 approaches the lower sub-channel of the adjacent upstream distribution channel, respectively, the lower sub-channel of each distribution channel 16 approaches the upper sub-channel of the adjacent subjacent distribution channel.
  • the dimension of the distribution channels 16, ie their depth, perpendicular to the contact surfaces 10.3, 10.4 is greater in the region of the inlet cross sections 16.1 than in the region of the outlet cross sections 16.2, ie the distribution channels 16 are deeper in the region of the inlet cross sections 16.1 than in the region of the outlet cross sections 16.2, wherein its depth is to be understood as meaning a substantially horizontal dimension.
  • the distribution channels 16 can be, for example, about 0.2 mm deep, in the region of the outlet cross-sections for example about 0.15 mm, these dimensions being expressly mentioned only as examples and without any limiting effect.
  • the result of the branched arrangement of the distribution channels 16 is that the pasty mass can be dispensed in portions as a bead along a line or surface, as intended, because the object to which the compound is to be dispensed moves past the nozzle. This movement is perpendicular to the longitudinal axis A of the nozzle.

Landscapes

  • Coating Apparatus (AREA)
  • Basic Packing Technique (AREA)
  • Supply Of Fluid Materials To The Packaging Location (AREA)
  • Confectionery (AREA)
  • Formation And Processing Of Food Products (AREA)

Claims (9)

  1. Dispositif (10) pour délivrer de façon cadencée des portions de produit pâteux, comportant un corps de buse (10.1, 10.2)
    - comprenant un canal principal (14) au moins approximativement vertical et fermé en haut,
    - comprenant un canal d'alimentation (12) pour acheminer le produit pâteux, lequel canal d'alimentation débouche dans le canal principal (14),
    - le corps de buse (10.1, 10.2) comportant une pluralité de canaux de distribution (16) s'étendant transversalement par rapport au canal principal (14) et présentant une section transversale d'entrée (16.1) respective au niveau du canal principal (14) et une section transversale de sortie (16.2) respective, et
    - une région de distribution (18) dans laquelle débouchent les sections transversales de sortie (16.2) des canaux de distribution (16), et
    - le dispositif (10) présentant un piston (20) disposé de manière déplaçable et étanche dans le canal principal (14) du corps de buse (10.1, 10.2), au moyen duquel piston les sections transversales d'entrée (16.1) d'un nombre pouvant être déterminé de canaux de distribution (16) peuvent être recouvertes, afin de désactiver les canaux de distribution (16) partant de ces sections transversales d'entrée (16.1), caractérisé
    - en ce que les canaux de distribution (16) comprennent au moins une région de canal de distribution (16.10) montant dans le sens d'écoulement du produit pâteux, et
    - en ce que les sections transversales de sortie (16.2) des canaux de distribution (16) sont disposées au-dessus des sections transversales d'entrée (16.1) associées, afin de former la région de canal de distribution montante (16.10).
  2. Dispositif (10) selon la revendication 1, caractérisé en ce que
    les canaux de distribution (16) comportent une région s'étendant à la manière d'un siphon et comprenant la région de canal de distribution montante (16.10).
  3. Dispositif (10) selon la revendication 1, caractérisé en ce que
    les sections transversales d'entrée (16.1) des canaux de distribution (16) présentent des sections transversales de canal qui sont plus profondes que les sections transversales de canal des sections transversales de sortie (16.2).
  4. Dispositif (10) selon la revendication 1, caractérisé en ce que
    chaque canal de distribution (16) est divisé, par un barrage (17) partant de son fond de canal (16.3), sur une partie de sa profondeur de canal (d), en un canal partiel supérieur (16.4) et un canal partiel inférieur (16.5), de telle sorte que les canaux partiels (16.4, 16.5) soient en communication.
  5. Dispositif (10) selon la revendication 4, caractérisé en ce que
    le barrage (17) s'élargit en direction de la section transversale de sortie (16.2), de telle sorte que les canaux partiels (16.1, 16.2) d'un canal de distribution (16) s'étendent de manière éloignée l'un de l'autre dans leur région située côté sortie, ceux-ci étant de préférence en communication.
  6. Dispositif (10) selon la revendication 5, caractérisé en ce que
    la section transversale de sortie (16.2) du canal partiel supérieur (16.4) d'un canal de distribution central (16) est disposée de manière essentiellement adjacente au canal partiel inférieur (16.5) du canal de distribution supérieur (16) adjacent.
  7. Dispositif (10) selon la revendication 1, caractérisé en ce que
    l'embouchure de l'au moins un canal d'alimentation (12) se situe dans la région inférieure du canal principal (14), le canal d'alimentation (12) étant de préférence disposé de telle sorte que le canal principal (14) soit toujours parcouru et ne présente par conséquent aucune zone dans laquelle le produit pâteux est bloqué.
  8. Dispositif (10) selon la revendication 1, caractérisé en ce que
    le corps de buse (10.1, 10.2) est composé essentiellement d'un premier corps partiel de buse (10.1) et d'un deuxième corps partiel de buse (10.2), les deux corps partiels de buse (10.1, 10.2) s'appliquant de manière étanche l'un contre l'autre par des surfaces de contact (10.3, 10.4) au moins approximativement verticales, et présentant des surfaces de bord qui délimitent la région de distribution (18).
  9. Dispositif (10) selon la revendication 8, caractérisé en ce que
    les canaux de distribution (16) sont disposés dans le premier corps partiel de buse (10.1).
EP07102361.8A 2007-02-14 2007-02-14 Dispositif pour délivrer de façon cadencée des portions de produit pâteux Active EP1958704B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP07102361.8A EP1958704B1 (fr) 2007-02-14 2007-02-14 Dispositif pour délivrer de façon cadencée des portions de produit pâteux
ES07102361.8T ES2526918T3 (es) 2007-02-14 2007-02-14 Dispositivo para la distribución sincronizada de porciones de una masa pastosa
CA2619291A CA2619291C (fr) 2007-02-14 2008-01-28 Dispositif de distribution temporisee de portions d'un compose pateux
US12/031,351 US7926683B2 (en) 2007-02-14 2008-02-14 Device for clocked dispensing of portions of a pasty compound

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07102361.8A EP1958704B1 (fr) 2007-02-14 2007-02-14 Dispositif pour délivrer de façon cadencée des portions de produit pâteux

Publications (2)

Publication Number Publication Date
EP1958704A1 EP1958704A1 (fr) 2008-08-20
EP1958704B1 true EP1958704B1 (fr) 2014-10-22

Family

ID=38197724

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07102361.8A Active EP1958704B1 (fr) 2007-02-14 2007-02-14 Dispositif pour délivrer de façon cadencée des portions de produit pâteux

Country Status (4)

Country Link
US (1) US7926683B2 (fr)
EP (1) EP1958704B1 (fr)
CA (1) CA2619291C (fr)
ES (1) ES2526918T3 (fr)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2002242A (en) * 1933-08-22 1935-05-21 Pfaudler Co Inc Fluid nozzle
US3429642A (en) * 1967-09-05 1969-02-25 James David Underwood Hair treatment applicator
US3709432A (en) * 1971-05-19 1973-01-09 Mead Corp Method and apparatus for aerodynamic switching
DE4000405A1 (de) * 1990-01-09 1991-07-11 Hoechst Ag Verfahren und vorrichtung zum gleichmaessigen aufbringen eines fluids auf eine bewegte materialbahn
JP2602460B2 (ja) * 1991-01-17 1997-04-23 三菱化学株式会社 紡糸ノズル及び該紡糸ノズルを用いた金属化合物の繊維前駆体の製造法ならびに無機酸化物繊維の製造法
US5334247A (en) * 1991-07-25 1994-08-02 Eastman Kodak Company Coater design for low flowrate coating applications
DE9412935U1 (de) * 1994-08-11 1994-10-13 Nordson Corp Schlitzdüse zum Auftragen von fließfähigen Materialien
US5750159A (en) * 1996-06-24 1998-05-12 Minnesota Mining & Manufacturing Company Die for extruding one or more fluid streams
DE20303182U1 (de) * 2003-02-27 2003-07-03 Nkt Neue Keilzink Technologie Leimkamm und Beleimungsstation
DE102004058542A1 (de) * 2004-12-03 2006-06-08 Nordson Corporation, Westlake Rotationsauftragskopf und Etikettieranlage zum Aufbringen von Etiketten
US7507295B2 (en) * 2005-03-22 2009-03-24 Nordson Corporation Adhesive dispenser
US7720351B2 (en) 2005-04-04 2010-05-18 Gutman Levitan Preservation and improvement of television advertising in digital environment
DE202006014743U1 (de) 2006-09-22 2006-11-23 Nordson Corporation, Westlake Vorrichtung zum Auftragen von Fluiden wie Klebstoff, insbesondere Schmelzkleber

Also Published As

Publication number Publication date
ES2526918T3 (es) 2015-01-16
CA2619291C (fr) 2014-04-15
CA2619291A1 (fr) 2008-08-14
US7926683B2 (en) 2011-04-19
US20080196837A1 (en) 2008-08-21
EP1958704A1 (fr) 2008-08-20

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