EP4061739B1 - Partie tête pour une cartouche et cartouche - Google Patents

Partie tête pour une cartouche et cartouche Download PDF

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Publication number
EP4061739B1
EP4061739B1 EP20803532.9A EP20803532A EP4061739B1 EP 4061739 B1 EP4061739 B1 EP 4061739B1 EP 20803532 A EP20803532 A EP 20803532A EP 4061739 B1 EP4061739 B1 EP 4061739B1
Authority
EP
European Patent Office
Prior art keywords
channel
container
head part
control device
cartridge
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
EP20803532.9A
Other languages
German (de)
English (en)
Other versions
EP4061739A1 (fr
Inventor
Thomas Ayrle
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.)
Hilti AG
Original Assignee
Hilti 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 Hilti AG filed Critical Hilti AG
Publication of EP4061739A1 publication Critical patent/EP4061739A1/fr
Application granted granted Critical
Publication of EP4061739B1 publication Critical patent/EP4061739B1/fr
Active legal-status Critical Current
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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
    • B05C17/00596—The liquid or other fluent material being supplied from a rigid removable cartridge having no active dispensing means, i.e. the cartridge requiring cooperation with means of the handtool to expel the material
    • 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
    • B05C17/00503—Details of the outlet element
    • 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
    • B05C17/01—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 with manually mechanically or electrically actuated piston or the like
    • B05C17/0136—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 with manually mechanically or electrically actuated piston or the like comprising an energy storing element, e.g. a spring, for exerting, e.g. when released, pressure on the material
    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents

Definitions

  • the present invention relates to a head part for a cartridge which is intended to cooperate with a squeezing device, the head part having a first receiving area for interacting with a first container and a second receiving area for interacting with a second container, according to the preamble of patent claim 1 more specifically defined type. Furthermore, the present invention relates to a cartridge with such a head part.
  • Cartridges are known from practice that are designed to work together with squeezing devices. Such cartridges have, for example, two chambers in which different materials are stored.
  • a two-component mortar compound can be located in the chambers, with a hardenable resin component being arranged in one chamber and a hardener component being arranged in a further chamber which is arranged separately from it in a reaction-inhibiting manner.
  • Cartridges with such two-component mortar compounds are used, for example, as injection mortar for the chemical anchoring of, for example, metal elements in mineral substrates, such as in particular buildings made of brick, concrete or natural stone.
  • the drill holes required for fastening the anchoring means are drilled into the mineral substrate, after which the hardenable resin component is mixed with the hardener component of the two-component mortar compound and introduced into the drill hole, whereupon the anchoring means to be fastened is introduced and adjusted, after which the Mortar hardens.
  • Known cartridges have a head part on which the two chambers are each arranged in a receiving area.
  • the head part has two channels, one channel being connected to the first chamber and a second channel being connected to the second chamber.
  • the channels are separated from each other in the area of the headboard.
  • the head part has a connection area to a mixer which can be connected to the head part.
  • the mixer has a structure for mixing the masses and an outlet opening for dispensing the mixed mass.
  • a dispensing device for several flowable material components is from DE 3420323 A1 known.
  • a head part for a cartridge which is intended to cooperate with a squeezing device, is proposed, wherein the head part has a first receiving area for interacting with a first container and a second receiving area for interacting with a second container, the first receiving area having a first Channel and the second receiving area are connected to a second channel that is at least partially separated from the first channel, with a control device for controlling a volume flow of a mass guided through the corresponding channel being arranged in at least one channel.
  • the control device has a spring device.
  • control device in particular an entire volume flow or mass flow supplied to the corresponding channel via the receiving area can be controlled in a structurally simple manner.
  • a desired mixing ratio of the masses located in the two containers or chambers in an area fed to a mixer can be easily ensured in all operating states and the occurrence of mixing problems and/or incomplete curing can thus be reliably prevented.
  • a control device for controlling the amount of a mass, in particular a mass flow or a volume flow, guided through the corresponding channel is provided in both channels, the mass flows or volume flows of the individual masses guided through the channels can be coordinated particularly precisely with one another, so that for example, a desired hardening is reliably achieved.
  • control device is designed to prevent the mass from flowing back into the first container or the second container. This can easily prevent the mass stored in one container from transferring into the other container, although in conventional designs this transfer can occur because one mass, when the head part is installed, is transferred via the mixer to that of the other container assigned channel.
  • the solution according to the invention is particularly advantageous when using chemical systems in which a chemical reaction of the components or materials used continues after an impact even without the further presence of the other component.
  • control device can be designed, for example, as a flap, which can be moved in particular between a first state that completely closes the flow cross section of the channel and a second state that partially, in particular almost completely, releases the flow cross section of the channel.
  • a spring device is provided which applies a force to the flap in the direction of the first state.
  • the spring device is designed in such a way that it releases a volume flow through the corresponding channel when a defined force acts against the spring force of the spring device.
  • the spring device is in particular designed in such a way that it only releases a volume flow through the channel when a defined minimum pressure is applied to the control device upstream of the control device and releases the channel against the defined spring force of the spring device. In this way, an undesirable and/or uncontrolled flow of a mass or component out of the respective container can be prevented in a simple manner.
  • a more favorable folding of the foil can be achieved in this way, since the minimum pressure that can be set via the control device can ensure that the foil lies securely against a wall of the squeezing device.
  • control device can be designed as a check device, in particular as a check valve. This makes it easy to ensure that a mass from a container is only guided through the corresponding channel via the corresponding receiving area if it exceeds a defined minimum pressure.
  • the first channel and/or the second channel preferably have a substantially circular cross section. This makes it possible to arrange a control device in the respective channel in a simple manner.
  • the channels can have a diameter that differs from one another. Furthermore, the channels can be arranged coaxially to one another at least in some areas.
  • the channel having the control device downstream of the control device is separated from the other channel and the corresponding receiving area, so that the channel having the control device downstream of the control device is in operative connection in particular exclusively with the receiving area assigned to this channel and is separated from the other channel and the recording area assigned to this channel.
  • the first channel and the second channel are separated from one another throughout the head part, with the first channel being connected only to the first receiving area and the second channel only being connected to the second receiving area. Contact between the masses in the two containers is therefore excluded in the area of the head part.
  • a cartridge for a squeezing device with a head part described in more detail above and at least a first container and a second container is also proposed, the first container having a first chamber for holding a first mass and the second container having a second chamber for holding a second mass .
  • Both the head part and a mixer that can be brought into operative connection with the head part in a conventional manner are preferably formed with a material to which the masses intended for use do not adhere.
  • the head part and/or the mixer can be designed with a coating that fulfills this purpose.
  • the head part can have a thread, via which commercially available attachments or squeezing devices for applying the mass in the cartridge are attached to the head part exactly in the area of outlet openings of the channels can be adjusted so that precise positioning and dosing of the mass is possible during application.
  • Fig. 1 shows a cartridge 1 with a head part 2, to which two containers 3, 4 are connected.
  • the cartridge 1 is designed to work together with a pressing device, by means of which the masses in the containers 3, 4 can be pressed out manually or automatically to the desired extent.
  • the cartridge 1 contains, for example, a two-component mortar compound, wherein a curable resin component can be arranged in one container 3 of the cartridge 1 and a hardener component can be arranged in the other container 4, which is arranged separately from it in a reaction-inhibiting manner.
  • the mass resulting from mixing the curable resin component and the hardener component is used, for example, as an injection mortar for the chemical anchoring of, for example, metal elements in mineral substrates, such as in particular buildings made of brick, concrete or natural stone.
  • the drill holes required for fastening the anchoring means are drilled into the mineral substrate, after which the hardenable resin component is mixed with the hardener component of the two-component mortar compound and introduced into the drill hole, whereupon the anchoring means to be fastened is introduced and adjusted and the mortar compound then hardens.
  • the masses are each arranged in chambers of the containers 3, 4, the containers 3, 4 in the present case each having a substantially cylindrical base body 6 or 7 with a first end wall 8 or 9 and an opposite second end wall 10 or 11.
  • the first end wall 8 or 9 has a dispensing opening or an area provided for releasing the mass located in the respective container 3 or 4.
  • the containers 3, 4 are designed as containers 3, 4 formed at least partially, in particular almost completely, with films; in an alternative embodiment, they can also be designed as so-called hard cartridges or the like.
  • the head part 2 has a first receiving area 13 and a second receiving area 14 at a distance from one another, the first receiving area 13 being provided for connecting the first container 3 to the head part 2 and the second receiving area 14 being provided for connecting the second container 4 to the head part 2 .
  • the receiving areas 13 and 14 are arranged without a direct connection to one another.
  • one container of the cartridge is arranged within the other container of the cartridge.
  • the cartridge is here can be fastened together to the head part with both containers, the head part in turn having a first receiving area assigned to the first container and a second receiving area assigned to the second container.
  • One receiving area is encompassed by the other receiving area, the receiving areas being separated from one another in such a way that the respective receiving area is exclusively in contact with the associated container and thus the mass stored in the respective container.
  • a channel 15 or 16 is assigned to both the first recording area 13 and the second recording area 14, the first channel 15 being connected to the first recording area 13 and having no contact with the second recording area 14.
  • the second channel 16 is connected to the second recording area 14 and accordingly has no contact with the first recording area 13. This ensures in the present embodiment that the masses located in the containers 3, 4 cannot come into contact with one another before exiting an outlet opening 18 of the head part 2.
  • the head part 2 has a substantially tubular outlet connection 17 with a substantially circular cross section.
  • the channels 15, 16 are arranged in the outlet connection 17, the channels 15, 16 running separately from one another within the outlet connection 17.
  • the second channel 16 has a circular cross section and the first channel 15 has a substantially crescent-shaped cross section, the first channel 15 being separated from the second channel 16 by a wall 19.
  • the shape of the cross sections of the channels 15, 16 can fundamentally be chosen arbitrarily.
  • the outlet connection 17 thus has the two channels 15 and 16, which are in fluid communication with the respective receiving area 13 and 14 and are separated from one another by the wall 19.
  • the wall 19 extends from a connecting web 21 separating the receiving areas 13 and 14 to the outlet opening 18 of the head part 2.
  • the head part 2 is in particular made of a material to which the masses stored in the containers do not stick.
  • the head part 2 can have a non-stick coating, particularly in the areas that interact with the masses, such as the channels 15, 16.
  • connection area 19 for a conventionally designed static mixer (not shown in more detail) is arranged on an outer circumference of the outlet connection 17 or outlet pipe.
  • the connection area 19 is designed as a thread, so that a mixer can be arranged on the head part 2 in a screwing movement.
  • Such a mixer has a Structure that leads to the most favorable possible mixing of masses guided via the channels 15,16. Via the structure of the mixer, the masses guided via the channels 15, 16 and coming from the containers 3, 4 come into contact with one another for the first time in the direction of flow.
  • a control device 22 designed here as a check valve, is arranged in the second channel 16.
  • the check valve 22 By means of the check valve 22, the mass located in the container 3 and conveyed via the first channel 15 through the outlet opening 18 is reliably prevented from being guided upstream through the check valve 22. It is therefore reliably prevented that the mass in the container 3 gets into the second container 4.
  • the check valve 22 is in Fig. 2 schematic and in Fig. 3 shown in simplified form in an unassembled state.
  • the check valve 22 has a spring device 23 which closes the second channel 16 without the application of an external force.
  • the check valve 22 only releases a volume flow through the second channel 16 when an external force applied to the check valve 22 on the container side exceeds the spring force of the spring device 23.
  • the mass stored in the container 4 can therefore only be guided through the second channel 16 in the direction of the outlet opening 18 of the head part 2 when a defined minimum pressure present in the second container 4 is exceeded. This is particularly advantageous when using film containers, as this ensures that the container rests against a wall of a pressing device to the desired extent and thereby achieves the desired good folding of the film container during a pressing process.
  • a spring-loaded flap for example, can also be provided, which allows the mass to flow out of the second container 4 in the direction of the outlet opening 18 and a mass to flow in the direction of the second container 4 and thus a backflow in the direction of the second container 4 is prevented.
  • control device is also arranged in the first channel 15 in order, for example, to reliably prevent a backflow of mass into the first container 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Claims (6)

  1. Partie de tête (2) pour une cartouche (1) qui est prévue pour coopérer avec un dispositif d'évacuation par pression, dans laquelle la partie de tête (2) présente une première région de réception (13) destinée à coopérer avec un premier récipient (3) et une seconde région de réception (14) destinée à coopérer avec un second récipient (4), dans laquelle la première région de réception (13) est reliée à un premier canal (15) et la seconde région de réception (14) est reliée à un second canal (16) séparé, au moins dans certaines régions, du premier canal (15), un appareil de commande (22) destiné à commander un débit volumétrique d'une matière est disposé dans au moins un canal (15, 16), lequel débit volumétrique est guidé à travers le canal (15 ou 16) correspondant,
    caractérisée en ce que
    l'appareil de commande (22) présente un appareil formant ressort (23).
  2. Partie de tête selon la revendication 1, caractérisée en ce que l'appareil de commande (22) est conçu pour empêcher un reflux d'une matière dans le premier récipient (3) ou le second récipient (4).
  3. Partie de tête selon l'une des revendications précédentes, caractérisée en ce que l'appareil de commande (22) est conçu sous la forme d'un appareil anti-retour, en particulier sous la forme d'un clapet anti-retour.
  4. Partie de tête selon l'une des revendications 1 à 3, caractérisée en ce que le premier canal (15) et/ou le second canal (16) présentent une section transversale sensiblement circulaire.
  5. Partie de tête selon l'une des revendications 1 à 4, caractérisée en ce que le canal (15 ou 16) présentant l'appareil de commande (22), en aval de l'appareil de commande (22), est séparé de l'autre canal (16 ou 15) et de la zone de réception (14 ou 13) correspondante.
  6. Cartouche (1) prévue pour coopérer avec un dispositif d'évacuation par pression, comportant une partie de tête (2) selon l'une des revendications 1 à 5 et au moins un premier récipient (3) et un second récipient (4), dans laquelle le premier récipient (3) présente une première chambre destinée à recevoir une première matière et le second récipient (4) présente une seconde chambre destinée à recevoir une seconde matière.
EP20803532.9A 2019-11-20 2020-11-06 Partie tête pour une cartouche et cartouche Active EP4061739B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19210445.3A EP3825252A1 (fr) 2019-11-20 2019-11-20 Partie tête pour une cartouche et cartouche
PCT/EP2020/081264 WO2021099143A1 (fr) 2019-11-20 2020-11-06 Partie supérieure pour cartouche et cartouche

Publications (2)

Publication Number Publication Date
EP4061739A1 EP4061739A1 (fr) 2022-09-28
EP4061739B1 true EP4061739B1 (fr) 2023-09-20

Family

ID=68653304

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19210445.3A Withdrawn EP3825252A1 (fr) 2019-11-20 2019-11-20 Partie tête pour une cartouche et cartouche
EP20803532.9A Active EP4061739B1 (fr) 2019-11-20 2020-11-06 Partie tête pour une cartouche et cartouche

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19210445.3A Withdrawn EP3825252A1 (fr) 2019-11-20 2019-11-20 Partie tête pour une cartouche et cartouche

Country Status (5)

Country Link
US (1) US11975353B2 (fr)
EP (2) EP3825252A1 (fr)
CA (1) CA3151728A1 (fr)
PL (1) PL4061739T3 (fr)
WO (1) WO2021099143A1 (fr)

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DE3420323A1 (de) * 1984-05-30 1985-12-05 Lechler Chemie Gmbh, 7000 Stuttgart Abgabevorrichtung fuer meherere stroemungsfaehige materialkomponenten
US4690306A (en) * 1985-08-12 1987-09-01 Ciba-Geigy Corporation Dispensing device for storing and applying at least one liquid or pasty substance
US4771919A (en) * 1987-10-28 1988-09-20 Illinois Tool Works Inc. Dispensing device for multiple components
EP0607102B1 (fr) * 1993-01-15 1999-03-17 Wilhelm A. Keller Appareil distributeur pour au moins deux composants
US5443182A (en) * 1993-06-11 1995-08-22 Tanaka; Kazuna Methods and apparatus for preparing and delivering bone cement
US5443183A (en) * 1993-11-18 1995-08-22 Jacobsen; Kenneth H. Unitary check valve
US5566860A (en) * 1994-09-08 1996-10-22 Liquid Control Corporation Dual component cartridge
DE29501255U1 (de) 1995-01-27 1995-03-09 Hilti Ag Folienbeutelpackung mit Folienbeutel und Bodenteil
ES2143742T3 (es) * 1996-01-31 2000-05-16 Wilhelm A Keller Aparato distribuidor para dos componentes como minimo.
DE69625096T2 (de) * 1996-01-31 2003-05-08 Wilhelm A Keller Vorrichtung zur Abgabe von mindestens zwei Komponenten
US5944226A (en) * 1997-06-09 1999-08-31 Liquid Control Corporation Add-on valve assembly for dual-component cartridge
WO1999004893A1 (fr) * 1997-07-26 1999-02-04 Ralf Mai Recipient doseur pour produits de soin corporel
US6422427B1 (en) * 1998-03-20 2002-07-23 Liquid Control Corp Dispensing tool and system for reloading the tool
JP4108353B2 (ja) * 2002-03-29 2008-06-25 ノードソン コーポレーション 液体吐出方法及び装置
ATE381383T1 (de) * 2003-06-30 2008-01-15 Staff Judge Advocate U S Army Persönlicher trinkbehälter mit mischvorrichtung zur einleitung von additiven
US20060021996A1 (en) * 2004-07-30 2006-02-02 Scott L J Iii Multi-chambered drink bottle
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US8365958B2 (en) * 2010-02-12 2013-02-05 Phillip Phung-I Ho Device for mixing and discharging plural materials
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JP2015501675A (ja) * 2011-11-17 2015-01-19 サノフィ−アベンティス・ドイチュラント・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング 食品を甘くするための装置、糖尿病の治療システム、および方法
DE102012218551B3 (de) * 2012-10-11 2014-02-13 Hilti Aktiengesellschaft Verfahren zur Herstellung eines Foliengebindes für ein Auspressgerät mit vorbefülltem Kopfteil

Also Published As

Publication number Publication date
EP4061739A1 (fr) 2022-09-28
PL4061739T3 (pl) 2024-03-11
US11975353B2 (en) 2024-05-07
CA3151728A1 (fr) 2021-05-27
EP3825252A1 (fr) 2021-05-26
US20220371045A1 (en) 2022-11-24
WO2021099143A1 (fr) 2021-05-27

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