EP3687923A1 - Stem for two-way valve - Google Patents
Stem for two-way valveInfo
- Publication number
- EP3687923A1 EP3687923A1 EP18770023.2A EP18770023A EP3687923A1 EP 3687923 A1 EP3687923 A1 EP 3687923A1 EP 18770023 A EP18770023 A EP 18770023A EP 3687923 A1 EP3687923 A1 EP 3687923A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- holes
- tubular wall
- stem
- wall
- insert
- 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
Links
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 description 13
- 238000001816 cooling Methods 0.000 description 3
- -1 polyoxymethylene Polymers 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 229930040373 Paraformaldehyde Natural products 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/68—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them
-
- 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
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/42—Filling or charging means
- B65D83/425—Delivery valves permitting filling or charging
-
- 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
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/60—Contents and propellant separated
- B65D83/62—Contents and propellant separated by membrane, bag, or the like
-
- 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
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/38—Details of the container body
-
- 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
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/44—Valves specially adapted therefor; Regulating devices
- B65D83/48—Lift valves, e.g. operated by push action
-
- 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
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/44—Valves specially adapted therefor; Regulating devices
- B65D83/52—Valves specially adapted therefor; Regulating devices for metering
- B65D83/54—Metering valves ; Metering valve assemblies
-
- 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
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/68—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them
- B65D83/682—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them the products being first separated, but finally mixed, e.g. in a dispensing head
Definitions
- the invention relates to a valve stem (more commonly known as stem) for a two-way valve.
- the stem comprises a main body having a substantially cylindrical outer surface around a main axis. He introduces :
- first tubular wall closed at its lower end by a first bottom wall and open at its upper end by defining a central channel
- a second tubular wall concentric with the first tubular wall and partially surrounding it, the second tubular wall being closed at its lower end by a second bottom wall and open at its upper end by defining an annular channel placed around the central channel; one or more through holes engaging the interior of the annular channel and the cylindrical outer face of the main body; and
- This kind of stem is commonly used in two-way valves to maintain the separation of products until the exit of the valve, or even the outlet of the diffuser.
- the annular channel is much deeper than necessary and descends to near the through holes bringing the bottom of the central channel into contact with the outside of the stem.
- the object of the invention is to overcome this disadvantage.
- This objective can be achieved by designing the reinforcement means in the form of means for filling at least in part the section of the annular channel located between the second bottom wall and the lower part of the through hole or holes of the second cylindrical wall.
- a first embodiment consists in filling at least partly the space of the annular channel located below the through holes with the material constituting the stem.
- this solution requires more material and thus makes the stems more expensive, it has the disadvantage that with some materials, during cooling, the material can shrink too much so that the seal with the An annular seal for closing through holes in the center channel can no longer be guaranteed.
- the reinforcing means consist of a tubular insert sized to be able to be introduced into the annular channel and to fill, at least over part of its height, the space situated between the second bottom wall and the lower part or through holes of the second cylindrical wall.
- This insert is sized to support the first tubular wall during filling.
- This insert thus occupies at least part of the space located below the through holes of the annular channel. This space can no longer be occupied by the product.
- the insert may have a tubular shape forming a third tubular wall whose inner contour of the cross section substantially corresponds to the outer contour of the cross section of the first tubular wall and whose outer contour of the cross section substantially corresponds to the contour inside the cross section of the second tubular wall when the insert is located in the annular channel in the use position.
- the outlines are circular.
- the inside diameter of the third cylindrical wall substantially corresponds to the outside diameter of the first cylindrical wall and its outside diameter to that of the inside diameter of the second cylindrical wall.
- the height of the insert is less than or equal to the distance separating the second bottom wall and the lower end of the through hole (s) of the second tubular wall. This insert therefore occupies only the lower part of the annular channel, below the through holes.
- the height of the insert is greater than the distance separating the second bottom wall and the lower end of the through holes of the second tubular wall, preferably the distance separating the second bottom wall and the second wall. upper end of the through holes.
- the insert is provided with at least one slot extending from a slot bottom to an open upper end located at the upper end of the third tubular wall.
- the distance between the slot bottom and the lower end of the third tubular wall is chosen such that when the insert is located in the annular channel in the use position, at least one through hole fully opens into the one or more slots.
- the slot or slits can pass through the entire thickness of the third tubular wall.
- the second tubular wall may be traversed by one or more sets of through holes, each set of through holes being constituted by at least one pair of through holes, preferably of the same diameter, placed side by side in the same plane perpendicular to the main axis.
- the width of each slot at the through holes is equal to or greater than the distance separating the outer edges of the two through holes furthest from the same set of through holes.
- the insert extends above the through holes of the annular channel, it is preferable to provide indexing means for aligning the or at least one of the slots of the insert on a set of through holes of the second wall. tubular.
- One or more through-holes are generally provided for bringing the interior of the central channel and the cylindrical outer face of the main body into contact without passing through the annular channel, the through-holes of the second tubular wall emerging on the cylindrical outer face of the main body of the main body. preferably between the through holes of the first tubular wall and the upper end of the second tubular wall.
- the lower end of the main body In order to guide the stem into the valve and fix the spring in the closed position, it is preferable to provide the lower end of the main body with a pin to cooperate with a spring in the valve. It is also possible to provide the cylindrical outer face of the main body with an annular shoulder placed so that the through hole or holes of the second tubular wall are located between this shoulder and the upper end of the second tubular wall.
- Fig. 6 top view of the stem of the invention
- FIG. 7 Sectional view of the stem of the invention.
- FIG. 9 Perspective view of the main body
- Fig. 1 1 Another sectional view of the main body
- Fig. 12 Sectional view of a stem of the state of the art with reinforcing ribs
- FIG. 13 Cross-sectional view of another stem according to the invention with reinforcement filling.
- the invention relates to a valve stem for a two-way valve used in pressure vessels.
- Such valve stems are commonly referred to as stems.
- the two-way valve stems (1) used for the invention are of the concentric-channel type. They have a generally cylindrical outer shape around a main axis (A).
- the stem is intended to be used in a two-way valve (30) with parallel pockets such as that shown by way of example in FIG. 1 or with concentric pockets (bag-in-bag) or with concentric containers (for example double piston).
- the stem and its components usually have a certain symmetry of rotation around a main axis (A) passing through the stem. We will see that this symmetry of rotation is not absolute, some parts of the stem moving away.
- the adjectives "axial” or “radial” refer to this main axis and define an element parallel to the axis or perpendicular to this axis respectively.
- the spatial references such as “upper” and “lower” refer to the stem and its components as shown in FIG. 1 or FIG. 7for example. It is not about absolute positions, the valve in which is mounted the stem of the invention can be used upwards (as in Fig. 1), downwards, or more generally in any position adapted to the product to be delivered.
- the stem of the invention has a main body (10) and an insert (20).
- the main body includes a first central tubular wall (1 1) partially surrounded by a second tubular wall (12).
- These two walls are preferably substantially cylindrical. In practice, they can deviate almost imperceptibly from the absolutely cylindrical shape to facilitate demolding.
- the first cylindrical wall (1 1) is open at its upper end (January 1) and closed at its lower end (January 12) by a bottom wall (13) preferably radial.
- This first cylindrical wall (1 1) and the bottom wall (13) define a space in the form of a central channel
- the second cylindrical wall (12) concentrically surrounds the first cylindrical wall (1 1). It (12) is open at its upper end (121) and closed at its lower end (122) by a second bottom wall (14) preferably radial.
- the second cylindrical wall (12) and the second bottom wall (14) define an annular channel-shaped space (123).
- the second bottom wall (14) is located between the first through holes
- the main body has on its outer face an annular shoulder (15) for retaining the stem in the valve body when mounted in a valve.
- the upper face of this shoulder is radial and abuts against a first annular seal (31) of the valve for closing the first through holes (124) when the valve is in the closed position.
- the underside of the shoulder may be inclined.
- the outer face of the first cylindrical wall (1 1) widens from the lower end (122) of the second cylindrical wall (12) to come in alignment with the outer face thereof so that the outer casing of the main body (10) remains uniform from the annular shoulder (15) to below the first through holes (1 14).
- the second bottom wall (14) is part of the outer face of the first cylindrical wall (1 1) at which point it widens to align with the second cylindrical wall (12).
- the inner face of the second cylindrical wall (12) is cylindrical in its upper part.
- two vertical plates (125) extend from the bottom of the annular channel (123) to above the second through holes (124) as can be seen in FIG. 1 1. It is not essential that these plates extend to above the second through holes (124); they could stop lower. Their width is equal to or slightly greater than the distance separating the two opposite ends of two through holes (124) of the same pair of second through holes.
- the vertical radial symmetry plane of each plate (125) is identical to the vertical radial symmetry plane passing between two through holes (124) of the same pair.
- the plates (125) must not be too large to always leave sufficient space between their vertical face and the outer face of the first cylindrical wall (1 1).
- the lower end of the main body (10) is provided with a pin (16) serving to support a spring (32) of the valve.
- the object of the invention is to eliminate the ribs (N) usually present in the bottom of the annular channel (see Fig. 12) to avoid dead volumes in which product can stagnate. But simply delete these ribs weakens the main body including the first cylindrical wall (1 1) which during the filling may break.
- a first embodiment consists in eliminating at least part of the section of the annular channel (123) below the second through holes (124) by replacing it with the material used for the manufacture of the main body, as shown on FIG. 13.
- the stem consists only of the main body. It consists in its upper part of two cylindrical walls (1 1, 12) concentric extending to below the second through holes (1 14), and that these two walls meet in a single cylindrical wall of a thickness substantially equal to the combined thickness of the first cylindrical wall (1 1), the annular channel (123) and the second cylindrical wall (12). It can also be considered that the upper face of the second radial bottom wall (14) is located near, but below, the second through holes (124) whereas usually it is just above the first through holes ( 1 14).
- This section of the annular channel may be filled to the immediate vicinity of the second through holes, or even flush, or simply to an intermediate height corresponding for example to the height of the ribs (N) traditional radial.
- This solution certainly more expensive material than traditional radial ribs, supports the first cylindrical wall (1 1) better than do the ribs, and while maintaining the same outer shape of the main body. It is necessary to choose materials which despite the increased thickness in the lower part of the main body do not shrink significantly during cooling after molding to avoid potential risks of leakage at the lower seal of the valve (seal which seals at the first through holes (1 14) of the first channel).
- Another alternative embodiment is not to remove the lower portion of the annular channel (123) by filling, but to place an insert (20) (see Fig. 7).
- This tubular insert (20) is constituted by a third cylindrical wall (21) open at both ends.
- the inside diameter of the third cylindrical wall (21) substantially corresponds to the outside diameter of the first cylindrical wall (1 1) and its outside diameter to that of the inside diameter of the second cylindrical wall (12). It is preferable that the portion of the insert located below the second through holes (124) is slightly oversized relative to the available space so that it is necessary to force it into the annular channel (123). . In other words, its inside diameter will be slightly smaller than the outside diameter of the first cylindrical wall (1 1) and / or its outer diameter slightly greater than the inside diameter of the second cylindrical wall (12). We are sure that the insert will not move when using the valve. This also prevents the product from entering the gap between the insert and the walls of the annular channel (123) in the portion below the second through holes.
- the insert contributes to reinforcing the stability of the stem and in particular of its first cylindrical wall (1 1).
- This insert has the advantage over filling the space with material as mentioned with reference to FIG. 13 not to raise the problem of excessive shrinkage of the material during cooling of the main body after molding.
- the second cylindrical wall (12) extends on either side of the second through holes (124) with the same thickness, with the exception of the shoulder (15).
- the height (H) of the insert is less than or equal to the height of the annular channel (123). It is inserted into the annular channel until it touches the second bottom wall (14) as can be seen in FIG. 7.
- the height (H) of the insert is less than or equal to the distance separating the bottom of the second through holes (124) and the second bottom wall (14). In practice, this height will be chosen so that the upper end of the insert is as close as possible to the through holes (124) without ever encroaching on it. However, it would be possible to choose a lower height, as are usually the reinforcement ribs (N) of traditional stems (see Fig. 12).
- the height (H) of the insert is greater than the distance separating the second bottom wall (14) and the top of the through holes (124).
- the slots preferably pass through the entire thickness of the cylindrical wall (21).
- the width (I) of the slits is greater than or equal to the distance separating the outer ends of two through-holes (124) of the same pair (see Fig. 8). In practice, it does not need to be larger than this distance.
- the bottom (221) is flat with arcuate angles of the same radius as the second through holes (124) as can be seen in FIG.
- the length (L) of the slot is chosen so that depending on the geometry of the bottom, the through holes (124) are fully open into the slots, without the third cylindrical wall (21) encroaching on the through holes (124).
- These slots (22) constitute flow channels for the product, thus limiting the available space and the volume of the stagnant product after filling and after each use.
- Each slot (22) continues, on the outer face of the insert, a plate (23) of the same width.
- the width of the plates (23) of the insert is substantially identical to the width of the plates (125) of the inner face of the second cylindrical wall (12). It is therefore understood that these complementary plates (125/23) serve for the alignment of slots (22) on the pairs of through holes (124).
- the inserts have a height (H) smaller than the distance between the second wall (14) and the through holes (124), the angular orientation of the insert relative to to the main body is unimportant and it is possible to give up the dishes (125) of the second channel (123) and the dishes of the insert.
- the main body is preferably made of a rigid material, for example polyoxymethylene (POM), poly (butylene terephthalate) (PBT) or polyamide (PA).
- POM polyoxymethylene
- PBT poly (butylene terephthalate)
- PA polyamide
- a softer material such as polyethylene or polypropylene will be chosen.
- the material retained for the insert is softer than that used for the main body so that the first deforms without the second is damaged during the introduction of force in the insert in the main body.
- the insert of the invention has several advantages. First, it provides a reinforcing function for stabilizing the first cylindrical wall (1 1) during filling of the product in the container provided with a valve equipped with the stem of the invention. In addition, it avoids or at least decreases the dead spaces between the through holes (124) and the second bottom wall (14), dead spaces in which can stagnate product. Finally, when the insert protrudes above the through holes (124), it limits the space available for the product.
- the number of through holes (114, 124) depends on the desired flow rate and / or the viscosity of the product to be dispensed.
- the holes are preferably arranged radially. They could, however, be oriented differently and in particular be inclined.
- the insert stops before the second through holes (124), it is not necessary to orient it in a particular angular position with respect to the main body (10) and the second through holes (124). Therefore, it is possible to give up dishes (125, 23).
- the insert rises above the second through holes (124), it is necessary that the slots (22), generally their bottoms (221), be aligned with the corresponding through holes (124) so that these open unhindered in the slots (22). It must therefore be able to orient the insert relative to the main body (10).
- alignment means are constituted by plates (125, 23) made on the inner face of the second cylindrical wall (12) and on the outer face of the insert. These dishes are in line with the through holes. We could have provided a pair of dishes, or not align the flat or the holes on the through. It would also have been possible to replace the dishes by other alignment means, for example one or more combinations of ribs / grooves.
- the slots (22) pass through the entire thickness of the third cylindrical wall (21).
- they extend only on the outer face of the insert by digging only one groove in part of the thickness of the wall.
- the slots or grooves are not straight and constant, but that they have a cross section that varies, especially that is widening, or that they are not straight and vertical, but that they have another form, for example helical.
- the number of slots (22) corresponds to the number of sets of two through holes (124) of the second cylindrical wall (12).
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Fluid-Damping Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1758986A FR3071579B1 (en) | 2017-09-27 | 2017-09-27 | VALVE STEM FOR TWO-WAY VALVE |
PCT/EP2018/075134 WO2019063347A1 (en) | 2017-09-27 | 2018-09-18 | Stem for two-way valve |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3687923A1 true EP3687923A1 (en) | 2020-08-05 |
EP3687923B1 EP3687923B1 (en) | 2021-11-24 |
Family
ID=61223965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18770023.2A Active EP3687923B1 (en) | 2017-09-27 | 2018-09-18 | Stem for two-way valve |
Country Status (7)
Country | Link |
---|---|
US (1) | US11332301B2 (en) |
EP (1) | EP3687923B1 (en) |
AR (1) | AR113138A1 (en) |
CA (1) | CA3075961A1 (en) |
FR (1) | FR3071579B1 (en) |
MX (1) | MX2020003197A (en) |
WO (1) | WO2019063347A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4190716A1 (en) * | 2019-07-24 | 2023-06-07 | Lindal France SAS | Valve cup for a pressurized container |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2057241A6 (en) * | 1969-08-07 | 1971-05-21 | Oreal | |
US3813011A (en) * | 1971-05-11 | 1974-05-28 | S Harrison | Aerosol can for dispensing materials in fixed volumetric ratio |
US3982668A (en) * | 1974-10-04 | 1976-09-28 | Ciba-Geigy Corporation | Aerosol dispenser for plurality of fluent materials |
EP1284911B1 (en) * | 2000-05-19 | 2006-11-15 | The Gillette Company | System for dispensing multi-component products |
GB0031176D0 (en) * | 2000-12-21 | 2001-01-31 | Glaxo Group Ltd | Medicament dispenser |
DE20113023U1 (en) * | 2001-08-04 | 2002-12-19 | Lindal Gmbh Aerosol Tech | Valve for the removal of flowable media from a pressure-tight container using a fluid propellant in the container |
JP2004244109A (en) * | 2003-01-24 | 2004-09-02 | Toyo Aerosol Ind Co Ltd | Aerosol device for two-liquid delivery |
US6923342B2 (en) * | 2003-05-12 | 2005-08-02 | The Gillette Company | Systems for dispensing multi-component products |
US7124788B2 (en) * | 2003-07-10 | 2006-10-24 | Precision Valve Corporation | Means and method for filling bag-on-valve aerosol barrier packs |
FR2901255B1 (en) * | 2006-05-16 | 2010-12-10 | Lindal France | VALVE HAS TWO WAYS |
GB2448294B (en) * | 2006-12-13 | 2009-04-08 | Bespak Plc | Metering valve and dispensing apparatus |
FR2961795A1 (en) | 2010-06-28 | 2011-12-30 | Lindal France Sas | DOSING VALVE FOR PRESSURIZED BOTTLE |
CN103052450A (en) * | 2010-08-16 | 2013-04-17 | 拜耳材料科技股份有限公司 | Dispensing module |
EP2605858B1 (en) | 2010-08-16 | 2015-08-12 | Bayer MaterialScience AG | Dispensing module and method for filling a dispensing module |
WO2013084996A1 (en) * | 2011-12-07 | 2013-06-13 | 株式会社ダイゾー | Two-liquid dispenser |
JP6189094B2 (en) | 2013-06-06 | 2017-08-30 | 株式会社ダイゾー | Discharge device and two-liquid discharge device using the same |
JP6450677B2 (en) * | 2013-06-18 | 2019-01-09 | 株式会社ダイゾー | Two liquid discharge container |
US10106311B2 (en) | 2013-10-31 | 2018-10-23 | Daizo Corporation | Two-fluid discharge container |
JP6603653B2 (en) * | 2014-04-04 | 2019-11-06 | 株式会社ダイゾー | Discharge container |
FR3078762B1 (en) * | 2018-03-11 | 2020-02-28 | Lindal France | FLOW REDUCER FOR A PRESSURIZED PRODUCT DISPENSER |
WO2019193742A1 (en) * | 2018-04-06 | 2019-10-10 | 東洋エアゾール工業株式会社 | Aerosol product |
-
2017
- 2017-09-27 FR FR1758986A patent/FR3071579B1/en active Active
-
2018
- 2018-09-18 EP EP18770023.2A patent/EP3687923B1/en active Active
- 2018-09-18 MX MX2020003197A patent/MX2020003197A/en unknown
- 2018-09-18 WO PCT/EP2018/075134 patent/WO2019063347A1/en unknown
- 2018-09-18 US US16/648,048 patent/US11332301B2/en active Active
- 2018-09-18 CA CA3075961A patent/CA3075961A1/en active Pending
- 2018-09-26 AR ARP180102753A patent/AR113138A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
US20200255211A1 (en) | 2020-08-13 |
EP3687923B1 (en) | 2021-11-24 |
MX2020003197A (en) | 2020-07-29 |
CA3075961A1 (en) | 2019-04-04 |
BR112020005594A2 (en) | 2020-09-29 |
FR3071579A1 (en) | 2019-03-29 |
US11332301B2 (en) | 2022-05-17 |
WO2019063347A1 (en) | 2019-04-04 |
FR3071579B1 (en) | 2019-09-27 |
AR113138A1 (en) | 2020-01-29 |
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