EP2444336A1 - Dispositif de sortie double - Google Patents

Dispositif de sortie double Download PDF

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Publication number
EP2444336A1
EP2444336A1 EP11179887A EP11179887A EP2444336A1 EP 2444336 A1 EP2444336 A1 EP 2444336A1 EP 11179887 A EP11179887 A EP 11179887A EP 11179887 A EP11179887 A EP 11179887A EP 2444336 A1 EP2444336 A1 EP 2444336A1
Authority
EP
European Patent Office
Prior art keywords
plunger
storage chamber
outlet
outlets
component
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.)
Granted
Application number
EP11179887A
Other languages
German (de)
English (en)
Other versions
EP2444336B1 (fr
Inventor
Manfred Obrist
Ralf Seifer
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.)
Medmix Switzerland AG
Original Assignee
Sulzer Mixpac 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 Sulzer Mixpac AG filed Critical Sulzer Mixpac AG
Priority to EP11179887.2A priority Critical patent/EP2444336B1/fr
Publication of EP2444336A1 publication Critical patent/EP2444336A1/fr
Application granted granted Critical
Publication of EP2444336B1 publication Critical patent/EP2444336B1/fr
Active legal-status Critical Current
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
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00593—Hand tools of the syringe type
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/325—Containers having parallel or coaxial compartments, provided with a piston or a movable bottom for discharging contents
    • 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
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/0052—Accessories therefor
    • 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
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00576—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes characterised by the construction of a piston as pressure exerting means, or of the co-operating container
    • 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

Definitions

  • the invention relates to a double-discharge device for discharging two flowable components according to the preamble of the independent claim.
  • Double discharge devices such as double syringes are often used for storage and discharge of two-component systems, in which the two components should first come into contact with one another for the respective application, in order then to harden for example.
  • two separate storage chambers are provided, each of which includes one of the two components.
  • a plunger is provided with a piston to discharge the respective component through an outlet from the pantry.
  • the two plungers are usually designed in the form of a double pestle.
  • these discharge devices are provided with a static mixer whose entrance area is connected to the outlets of the two storage chambers. By applying pressure to the two plungers, the two components are conveyed through the respective outlets in the static mixer, where the two components are intimately mixed and then discharged as a homogeneous mass in the application.
  • a piston is provided in each case, which is moved by the plunger and expels the respective component through the outlet.
  • the pistons constitute separate components in the respective storage chamber, which are then moved by manually or mechanically operated rams.
  • the pistons are each formed directly on the plunger, that is, the pistons are not separate components, but the plunger are designed in their end region as a piston.
  • a double discharge device which can be designed in particular as a double syringe, in which the pistons are integrally formed on the respective plunger, with a better seal between the piston and the wall of the storage chamber is realized, which also in Bending or torsional moments remains reliable.
  • a double discharge device for discharging two flowable components with a first supply chamber for the first component, with a second supply chamber for the second component, wherein the two supply chambers are arranged side by side and at their distal end in each case an outlet for the first or for the second component, with a first plunger for penetrating into the first storage chamber and with a second plunger for penetrating into the second storage chamber, wherein on each plunger in each case a piston for discharging the respective component is integrally formed, which sealingly through the respective Wall of the storage chamber is guided, wherein each storage chamber has at its end remote from the outlet end at least a first guide member and each ram adjacent to the respective piston has at least one second guide member, wherein the first and the second guide member for gegens eitigen interventions are configured.
  • the first guide element is a groove in the wall of the storage chamber and the second guide element is a web which can engage in the groove. This interaction between web and groove ensures a besoders good transmission of torsional moments in the wall of the pantry.
  • each web is each designed to be longer than the groove cooperating with it, because by this measure, the Guide length, ie the distance over which the plunger are guided in their movement in the direction of the respective outlets through the groove can be increased.
  • each plunger has four webs which are distributed equidistantly over the circumference of the plunger.
  • This embodiment with four grooves and four webs, which are each offset by 90 ° with respect to the circumferential direction to each other, a particularly good protection of the piston against tilting can be realized.
  • a preferred measure is to design each groove at its end facing the respective outlet expiring. As a result, the webs can easily slide out of the respective groove during the plunger movement, without deteriorating the seal.
  • each groove is at least 15%, preferably at least 20%, of the length of the respective storage chamber.
  • each outlet has a circular cross section.
  • the outlets are completely separated so that cross-contamination between the two outlets is avoided.
  • the two outlets are part of a coupling device, which is designed to cooperate with a static mixer or a cap.
  • the outlets can be easily connected with a static mixer for discharging the components or with a cap that closes the outlets until the next application.
  • the coupling device comprises coding means, which is designed for interaction with coding elements of a static mixer or a closure cap. This ensures that the static mixer or cap can only be connected in exactly one orientation with the coupling device and thus with the outlets of the storage chambers. This can effectively prevent cross-contamination or clogging of the outlets.
  • a closure cap is provided, which is detachably connected to the coupling device and which closes the two outlets.
  • a static mixer is provided which is detachably connected to the coupling device, wherein each outlet is connected to an inlet of the static mixer.
  • an adapter is provided between the mixer and the coupling device, which has coding means which interact with the coding means of the coupling device.
  • Fig. 1 shows a perspective view of an embodiment of an inventive double-discharge device, which is generally designated by the reference numeral 1 and is designed as a double syringe 1.
  • the double syringe 1 is intended for storing or discharging two flowable components which are intended to be brought into contact or mixed with each other just prior to their use.
  • Such a two-component system is, for example, a two-component adhesive. After mixing the two separately stored components of the adhesive cures and thereby unfolds its adhesive power.
  • the double syringe 1 has two adjacently arranged storage chambers, namely a first storage chamber 2 for a first component and a second storage chamber 3 for the second component, each storage chamber extending in the direction of a longitudinal axis A from a proximal end 4 to a distal end 5.
  • the storage chambers 2,3, form a double cartridge.
  • Fig. 2 another perspective view of the two storage chambers 2,3 and Fig. 3 a perspective view of the storage chambers 2.3 on the proximal end 4, with an insight into the proximal end of the two storage chambers 2.3.
  • the two storage chambers 2, 3 are connected to each other at its proximal end 4 via a connecting piece 41, which is designed for the manual operation of the double syringe 1 as a finger rest.
  • Each storage chamber 2, 3 has at the distal end 5 in each case an outlet 21, 31 for the first and for the second component (see Fig. 2 ).
  • Each outlet 21, 31 is designed as a separate outlet 21, 31, which in each case has a circular cross section as a flow cross section for the respective component.
  • the two outlets 21, 31 are spaced from each other and form the part of a coupling device 6, which for cooperation with a static mixer 10 (see Fig. 1 ) or a closure cap 9 is configured.
  • Fig. 1 shows the double syringe 1 with me on the outlets 21, 31 placed and locked cap 9. In the illustration in Fig. 2 this cap is removed, so that the view of the outlets 21, 31 is free.
  • the coupling device 6 is designed for a bayonet connection.
  • the double discharge device 1 comprises a first plunger 7 for penetrating into the first storage chamber 2 and a second plunger 8 for penetrating into the second supply chamber 3.
  • the first plunger 7 and the second plunger 8 are designed as double plunger 78 in which the two plungers 7, 8 are connected to one another via a common pressure plate 79 at their end which does not penetrate into the storage chambers 21, 31.
  • Both the storage chambers 2, 3 and the plungers 7, 8 are preferably made of a plastic, wherein the plastic used for the plunger 7.8 need not be the same as that used for the storage chambers 2.3.
  • both the one double cartridge forming storage chambers 2.3 as well as a double ram 78 forming plunger 7,8 produced by an injection molding.
  • Fig. 7 a perspective view of the two plunger 7,8, which are designed as double tappet 78.
  • Fig. 8 a plan view of the two plunger 7,8 from a direction perpendicular to the longitudinal axis A direction.
  • the plunger 7.8 are each constructed with a truss structure. This truss structure represents a very good compromise between the lowest possible material consumption and stiffness as possible, in particular bending stiffness.
  • the plunger 7, 8 each over slightly more than half of its circumference with a continuous wall 72, 82 configured.
  • this facilitates the sliding of the plungers 7, 8 in the storage chamber 2, 3 and increases the rigidity of the plungers 7, 8 and, on the other hand, enables the removal of the double plunger 78 or the plunger 7, 8 in the injection molding process.
  • a piston 71 and 81 is integrally formed respectively at its end.
  • the pistons 71, 81 serve to discharge the two components from the storage chambers 2 and 3, respectively, and are respectively guided sealingly through the wall of the associated storage chamber 2 or 3.
  • the pistons 71, 81 are not configured as separate components but are made in one piece with the rams 7 and 8 respectively.
  • each of the outlets 21, 31 each have a flow connection with an associated inlet of the static mixer 10.
  • the two plungers 7, 8 by pressurizing the pressure plate 79, for example by manual pressing, deeper into their associated storage chambers 2, 3, whereby the two pistons 71, 81, the first and the second component through the respective outlet 21 and, 31 in the static Promote mixer.
  • the two components are intimately mixed in a conventional manner to form a homogeneous mass and then exit at the end of the static mixer 10 facing away from the storage chambers 2, 3 for the application.
  • the cap 9 which thus again closes the two outlets 21 and 31.
  • the coupling device 6 has coding means 61, which are designed to cooperate with coding elements of the static mixer 10 or the closure cap 9, so that the closure cap 9 or the static mixer 10 is placed on the pantries or the outlets 21, 31 in exactly one orientation can be.
  • each storage chamber 2, 3 is located at its proximal, ie.
  • At least one first guide element 11 facing away from the outlet 21, 31, and each plunger 7, 8 has at least one second guide element 12 adjacent to the respective piston 71, 81, the first guide element 11 and the second guide element 12 engaging with each other are designed.
  • the first guide elements are respectively grooves 11 in the wall bounding the interior of the storage chambers 2, 3 and the second guide elements are respectively webs 12 which are arranged on the outside of the plunger 71 and 81 and for engaging in the respective Grooves 11 are configured. Both the grooves 11 and the webs 12 each extend in the direction of the longitudinal axis A.
  • the grooves 11 are advantageously used for venting when inserting the plunger 7,8 in the storage chambers 2, 3 after completion of the filling.
  • Fig. 9 shows for better understanding in a sectional view a section of one of the plunger 7 or 8, in which one of the webs 12 is shown in section.
  • Fig. 4 a longitudinal section through one of the storage chambers 2, 3 along the section line IV-IV and Fig. 5 a schematic cross-sectional view perpendicular to the longitudinal axis A through one of the two storage chambers 2 or 3 in the region of the grooves 11.
  • Fig. 6 in a sectional view a section of the wall of one of the two storage chambers 2 or 3 with one of the grooves 11th
  • the grooves 11 each begin near the proximal end 4 and extend therefrom in the direction of the longitudinal axis A over a length L1.
  • each storage chamber 2, 3 On the inner wall of each storage chamber 2, 3, a retainer 13 is further provided in the region of the proximal end 4, which is designed as an easily projecting into the interior of the storage chamber 2, 3 annular rib extending in the circumferential direction along the entire inner circumference of the storage chamber 2, 3 extends.
  • Each of the grooves 11 is arranged so as to cross the retainer 13, that is, with respect to the axial direction defined by the longitudinal axis A, the grooves 11 respectively start on one side of the retainer 13 and terminate on the other side of the retainer 13.
  • the webs 12 on the rams 7, 8 start respectively at the outlet 21, 31 facing away from the end of the piston 71, 81 where the piston 71 or 81 in the rest of the plunger 7 and 8, respectively, and extend from there in the direction of the longitudinal axis A over a length L2 the common pressure plate too 79 too.
  • 7 and 8 more detents 14 are provided on the circumference of the plunger, which cooperate with the retainer 13 to complicate an unintentional pulling out of the double plunger 78.
  • each web 12 is longer in each case than the groove 11 cooperating with it.
  • the length L2 is greater than the length L1.
  • the grooves 11 In order to simplify the running in the direction of the longitudinal axis A movement of the webs 12 from the respective groove 11, ie to allow with less effort, the grooves 11 in particular at its further lying in the storage chamber 2 or 3 end expiring configured (see Fig. 6 ). At her re Fig. 6 according to the right end, the grooves 11 in the axial direction slowly and steadily flatter, so that the webs 12 can slide out of the respective groove 11 easier in the axial direction. The same applies mutatis mutandis to the webs 12, and these are designed expiring with respect to the axial direction.
  • each groove 11 is at least 15% and preferably at least 20% of the length of the respective storage chamber 2 or 3.
  • all the grooves 11 have the same length L1.
  • all webs 12 have the same length L2.
  • the double discharge device 1 For filling the double discharge device 1, there are basically two options. Either the storage chambers 2, 3 are filled through the outlets 21, 31 or they are filled from the proximal end 4 of.
  • the double tappet 78 is inserted into the storage chambers 2, 3 until the pistons 71, 81 rest against the distal end 5 of the respective storage chamber 2, 3.
  • the first component is introduced through the first outlet 21 and the second component through the second outlet 31.
  • the two pistons 71, 81 are moved back in the direction of the proximal end 4 until the locking lugs 14 come into engagement with the retainer 13. Then that is Filling process ended, and the outlets 21, 31 are closed with the cap 9.
  • the double tappet 78 is not yet introduced into the storage chambers 2, 3.
  • the first and the second storage chamber 2 and 3 are filled from the proximal end 4 ago with the first or with the second component, wherein the outputs 21 and 31 are closed.
  • the maximum filling level is reached when between the first and the second component and the retainer still a free space is present, which corresponds in the axial direction just the height H of the piston 71, 81 in the axial direction.
  • the storage chambers 21, 31 may also be less filled.
  • the inventive double-discharge device 1 is suitable for example for double syringes 1, in which the filling volume of the storage chambers 2, 3 is 25 ml.
  • the two storage chambers 2, 3 have the same size and in particular the same Diameter. This is particularly the case when the two components are to be mixed in a ratio of 1 to 1.
  • the two storage chambers 2, 3 have different size and in particular different diameter at the same axial length.
  • Such embodiments are advantageous for realizing other mixing ratios such as 2 to 1, 4 to 1 or 10 to 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Package Specialized In Special Use (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Accessories For Mixers (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Coating Apparatus (AREA)
  • Closures For Containers (AREA)
EP11179887.2A 2010-10-21 2011-09-02 Dispositif de distribution double Active EP2444336B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11179887.2A EP2444336B1 (fr) 2010-10-21 2011-09-02 Dispositif de distribution double

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP10188394 2010-10-21
EP11179887.2A EP2444336B1 (fr) 2010-10-21 2011-09-02 Dispositif de distribution double

Publications (2)

Publication Number Publication Date
EP2444336A1 true EP2444336A1 (fr) 2012-04-25
EP2444336B1 EP2444336B1 (fr) 2013-08-28

Family

ID=43706303

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11179887.2A Active EP2444336B1 (fr) 2010-10-21 2011-09-02 Dispositif de distribution double

Country Status (12)

Country Link
US (1) US8875947B2 (fr)
EP (1) EP2444336B1 (fr)
JP (1) JP5960965B2 (fr)
KR (2) KR102048392B1 (fr)
CN (1) CN102530411B (fr)
AU (1) AU2011236122A1 (fr)
BR (1) BRPI1105911B8 (fr)
CA (1) CA2752920C (fr)
ES (1) ES2426978T3 (fr)
IL (1) IL215400A0 (fr)
MX (1) MX2011010854A (fr)
TW (1) TWI551316B (fr)

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US20210237941A1 (en) * 2018-05-22 2021-08-05 Nordson Corporation Cap and cartridge assembly

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CA2746283A1 (fr) * 2010-09-10 2012-03-10 Sulzer Mixpac Ag Dispositif de fermeture a l'epreuve des enfants pour appareil de distribution
DE102013103552A1 (de) * 2013-04-09 2014-10-09 Ivoclar Vivadent Ag Spritze
US20170225191A1 (en) * 2014-08-19 2017-08-10 Medmix Systems Ag Rotary dispenser for multiple cartridge
US9693838B2 (en) * 2015-08-10 2017-07-04 Phillip Phung-I Ho Dual-barrel cartridge adaptor
MX2018001917A (es) * 2015-08-19 2018-06-19 Colgate Palmolive Co Dispensador de multiples quimicos.
JP6884420B2 (ja) 2016-02-04 2021-06-09 クザップ リサーチ アンド デベロップメント エルエルシーＣｚａｐ Ｒｅｓｅａｒｃｈ Ａｎｄ Ｄｅｖｅｌｏｐｍｅｎｔ， Ｌｌｃ 放出制御及び階層化シクロデキストリン包接体ビヒクル
CN109225071A (zh) * 2018-08-08 2019-01-18 艾伽盾科技（浙江）有限公司 一种气体发生器及气体发生方法
CN114212391B (zh) * 2022-02-21 2022-05-03 河北华油天然气有限责任公司 气体泄漏检测气雾剂罐及气体泄漏检测方法

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DE202006015457U1 (de) * 2006-10-06 2008-02-14 Sulzer Chemtech Ag Mehrkomponentenkartusche

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Publication number Priority date Publication date Assignee Title
US20210237941A1 (en) * 2018-05-22 2021-08-05 Nordson Corporation Cap and cartridge assembly
US11780650B2 (en) * 2018-05-22 2023-10-10 Nordson Corporation Cap and cartridge assembly

Also Published As

Publication number Publication date
ES2426978T3 (es) 2013-10-28
IL215400A0 (en) 2012-02-29
TWI551316B (zh) 2016-10-01
CN102530411A (zh) 2012-07-04
KR20180040545A (ko) 2018-04-20
BRPI1105911A2 (pt) 2013-03-05
EP2444336B1 (fr) 2013-08-28
KR20120041663A (ko) 2012-05-02
KR102048392B1 (ko) 2019-11-25
BRPI1105911B1 (pt) 2020-08-11
US20120097708A1 (en) 2012-04-26
US8875947B2 (en) 2014-11-04
BRPI1105911B8 (pt) 2023-03-21
AU2011236122A1 (en) 2012-05-10
CA2752920C (fr) 2018-06-26
CN102530411B (zh) 2016-07-06
JP2012086896A (ja) 2012-05-10
CA2752920A1 (fr) 2012-04-21
TW201231118A (en) 2012-08-01
MX2011010854A (es) 2012-04-20
JP5960965B2 (ja) 2016-08-02

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