WO2021118891A1 - Robinet de distribution et procédés d'utilisation de celui-ci - Google Patents

Robinet de distribution et procédés d'utilisation de celui-ci Download PDF

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Publication number
WO2021118891A1
WO2021118891A1 PCT/US2020/063501 US2020063501W WO2021118891A1 WO 2021118891 A1 WO2021118891 A1 WO 2021118891A1 US 2020063501 W US2020063501 W US 2020063501W WO 2021118891 A1 WO2021118891 A1 WO 2021118891A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
dispensing
piston
shut
dispensing tap
Prior art date
Application number
PCT/US2020/063501
Other languages
English (en)
Inventor
William DRISKELL
Brandon Ramsuer
Eelco H. DEMAN
Niels F.G. VAN WIERINGEN
Paulus Zuijderduijn
Original Assignee
Silgan Dispensing Systems Corporation
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
Priority claimed from US17/009,891 external-priority patent/US11312613B2/en
Application filed by Silgan Dispensing Systems Corporation filed Critical Silgan Dispensing Systems Corporation
Priority to US17/783,261 priority Critical patent/US11858799B2/en
Priority to EP20898566.3A priority patent/EP4069627A4/fr
Publication of WO2021118891A1 publication Critical patent/WO2021118891A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D3/00—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D3/04—Liquid-dispensing taps or cocks adapted to seal and open tapping holes of casks, e.g. for beer
    • B67D3/043—Liquid-dispensing taps or cocks adapted to seal and open tapping holes of casks, e.g. for beer with a closing element having a linear movement, in a direction perpendicular to the seat
    • B67D3/044—Liquid-dispensing taps or cocks adapted to seal and open tapping holes of casks, e.g. for beer with a closing element having a linear movement, in a direction perpendicular to the seat and venting means operated automatically with the tap

Definitions

  • Embodiments of the invention relate to dispensing devices for flowable products such as liquid laundry detergent, and more particularly to a novel high flow rate dispensing tap.
  • Dispensing taps are known for fluid materials. They generally comprise a dispensing head and an actuator for opening a valve. While these taps have found widespread use, they suffer from numerous ergonomic and functional issues which make them difficult to use. The actuators are often difficult to manipulate, and the flow rate is much too slow for consumer satisfaction, resulting in the consumer having to hold the tap open for longer than desired.
  • the present disclosure provides an ergonomic, high flow rate, self-venting dispensing tap for a high -viscosity, flowable fluid or liquid formulation, such as a laundry detergent.
  • a dispensing tap may include a body having a peripheral skirt for connection to the neck of a container, a dispensing head, and a throat connecting the body to the dispensing head which provides a flow path from the body to the dispensing head.
  • the dispensing head may further include a dispensing outlet or mouth.
  • a shut off valve may be configured for sealing engagement with the mouth of the dispensing head, and a piston may be axially guided within the dispensing head.
  • the piston may include a peripheral seal slidably engaged with an interior surface of the dispensing head.
  • a valve stem extends from the piston and a terminal end thereof may be coupled to the shut off valve.
  • the piston may be selectively actuable by either a button integrated with the piston or a separate lever between a normally closed position wherein the shut off valve is seated within the mouth, and an open position wherein the shut off valve is disengaged from the mouth.
  • a spring may be captured between the piston and the dispensing head normally biasing the piston and shut off valve to the closed position.
  • an atmospheric or airless vent may be provided in communication with an interior of the body and in some embodiments, the vent may be opened and closed with movement of the piston and shut off valve.
  • the spring may comprise a slotted tubular spring element formed from a tensile polymer.
  • the slotted tubular spring element may be captured between opposing loading cones formed on the piston and the dispensing head.
  • the spring may comprise a conventional coil spring captured between the piston and dispensing head.
  • the cross-sectional flow area of the outlet or mouth may be greater than the cross-sectional flow area of the throat.
  • the vent may include a ball valve disposed within an interior of the body, or the ball valve may be located at the terminal end of an extension tube which would extend into the interior of the container when mounted.
  • Certain embodiments of the invention may include a peripheral piston seal which is configured for engagement with a vent opening formed on the interior surface of the dispensing head.
  • the peripheral seal may be engaged with the vent opening when the piston is in the closed position and may be disengaged from the vent opening when the piston is in the open position. This arrangement creates a self-venting system wherein the vent and the shut off valve are opened simultaneously.
  • the diameter of the peripheral seal on the piston is larger than the diameter of the shut off valve. In this manner, when pressure is exerted on the container, the pressure is greater on the piston seal than the shut off valve, and naturally exerts a higher force in the closed direction to keep the shut off valve closed.
  • the dispensing head includes external finger holds to facilitate depression of the actuator button or lever connected to the piston.
  • FIG. 1 illustrates a hquid container and a dispensing tap in accordance with an exemplary embodiment of the invention
  • FIG. 2 illustrates a perspective view of the exemplary dispensing tap in Fig. 1;
  • FIG. 3-7 illustrate various views thereof
  • Fig. 8 illustrates a cross-sectional view thereof taken along hne 8-8 of Fig. 2;
  • FIG. 9 illustrates a perspective view thereof with the actuator piston depressed for dispensing
  • Fig. 10 illustrates a cross-sectional view thereof taken along line 10-10 of Fig. 9;
  • Fig. 11 illustrates a cross-sectional view of another exemplary embodiment of the dispensing tap including a coil spring;
  • FIGs. 12 and 13 illustrate closed and open cross-sectional views of still another exemplary embodiment which does not include a ball valve
  • FIGs. 14 and 15 illustrate various views of an alternative self-venting structure in accordance with some embodiments of the invention.
  • FIGs. 16 and 17 illustrate closed and open cross-sectional views of yet another self-venting structure in accordance with some embodiments of the invention
  • FIG. 18 illustrates a perspective view of yet another exemplary embodiment of a dispensing tap including a finger hold flange
  • Fig. 19 illustrates a cross-section view thereof taken along line 19-19 of Fig. 18;
  • Fig. 20 illustrates an exploded perspective view thereof
  • Fig. 21 illustrates a perspective view of the dispensing head thereof
  • Fig. 22 illustrates a perspective view of the actuator piston thereof
  • Fig. 23 illustrates a perspective view of a further exemplary embodiment of a dispensing tap including finger holds and a lever actuator;
  • Fig. 24 illustrates a cross-sectional view thereof taken along line 24-24 of Fig. 23;
  • FIG. 25-29 illustrate various views thereof
  • Fig. 30 illustrates a perspective view thereof with the lever actuator depressed for dispensing
  • Fig. 31 is a cross-sectional view thereof taken along line 31-31 of Fig. 30;
  • FIG. 32 illustrates a perspective view of yet another exemplary embodiment with improved sealing and a wider ranging flow rate
  • Fig. 33 is a cross-sectional view thereof taken along line 33-33 of Fig. 32;
  • Fig. 34 is cross-sectional view thereof with additional annotations. [39] DETAILED DESCRIPTION OF THE INVENTION
  • linear or circular dimensions are used in the description of the disclosed systems, devices, and methods, such dimensions are not intended to limit the types of shapes that can be used in conjunction with such systems, devices, and methods. A person skilled in the art will recognize that an equivalent to such linear and circular dimensions can easily be determined for any geometric shape. Further, to the extent that directional terms like top, bottom, up, or down are used, they are not intended to limit the systems, devices, and methods disclosed herein. A person skilled in the art will recognize that these terms are merely relative to the system and device being discussed and are not universal.
  • the present disclosure provides an ergonomic, high flow rate, self-venting dispensing tap for a high-viscosity, flowable fluid or liquid formulation, such as a laundry detergent.
  • a dispensing tap 100 may generally include a body 102 having a peripheral skirt 104 for connection to the neck 902 (See Fig. 11) of a container 900.
  • an exemplary embodiment of the container 900 includes a neck 902 or opening for connection of the dispending tap 100.
  • the container neck 902 and skirt 104 may include complementary threads 106 where the tap structure 100 may be threaded or rotated into place on the container 900, or the neck 902 and skirt 102 may be provided with a bayonet or other connection.
  • the dispensing tap 100 may further include a dispensing head 108, and a throat 110 connecting the body 102 to the dispensing head 108 where the throat 110 provides a fluid flow path 112 from an interior of the body 102 to an interior of the dispensing head 108.
  • the exemplary dispensing head 108 is oriented vertically and may include a dispensing outlet or mouth 114 at a lower end thereof.
  • a shut off valve 116 may be configured for sealing engagement with the mouth 114 of the dispensing head 108.
  • the shut off valve 116 may be elastomeric or other material suitable for forming a fluid seal with the mouth 114.
  • a piston 118 may be axially guided within the dispensing head 108.
  • the piston 118 may include a peripheral seal 120 which is slidably engaged with an interior surface of the dispensing head 108 at the upper end thereof.
  • a valve stem 122 extends downwardly from the piston 118 and is further guided by a guide cylinder 124 formed within the lower end of the dispensing head 108.
  • a terminal end of the valve stem 122 extends below the guide cylinder 124 and may be coupled to the shut off valve 116.
  • a nipple 126 on the upper surface of the shut off valve 116 is press fit into a bore 128 in the terminal end of the valve stem 122.
  • the piston 118 may be selectively actuable or depressible (see arrows in Figs. 9-10) by a button structure 130 which is integrated with the upper surface of the piston 118.
  • the piston 118 may be actuated between a normally closed position (See Figs. 2-8) wherein the shut off valve 116 is seated within the mouth 114, and an open position (See Figs. 9 and 10) wherein the shut off valve 116 is disengaged from the mouth 114.
  • the button structure 130 may be integrally formed with the piston 118 or may be molded separately and attached.
  • the dispensing head 108 may include external finger holds 132 to facilitate depression of the actuator button 130 connected to the piston 118.
  • the exemplary finger holds 132 extend radially outwardly from the exterior surface of the dispensing head 108 and facihtate the depression of the button actuator 130 with the users thumb by providing a leverage point for the user’s index and middle fingers straddling the dispensing head 108.
  • a spring 134 may be captured between the piston 118 and the dispensing head 108 normally biasing the piston 118 and shut off valve 116 to the closed position.
  • the spring 134 may comprise a slotted tubular spring element formed from a tensile polymer.
  • the slotted tubular spring element 134 may be captured between opposing loading cones 136, 138 formed on the piston 118 and the dispensing head 108.
  • the slotted tubular spring element 134 is cylindrical in shape and the loading cones 136, 138 are generally conical in shape.
  • the exemplary embodiments of the loading cones include a first frustoconical pre-loading wall section having a steeper wall angle greater than 11 degrees, and a second frustoconical primary loading wall section having a shallower wall angle of less than 11 degrees.
  • all of the components of both the dispensing tap and the spring assembly are molded from the same plastic material making the entire dispensing tap easily recyclable in a single plastic material classification.
  • Exemplary plastic materials include polypropylene (PP), high-density polyethylene (HDPE), and low-density polyethylene (LDPE).
  • PP polypropylene
  • HDPE high-density polyethylene
  • LDPE low-density polyethylene
  • the piston loading cone 136 is axially compressible towards the lower fixed cone 138 within the open ends of the slotted tubular spring element 134 whereby the slotted tubular spring element 134 radially expands in tension to create an opposing radial contraction force.
  • Deformation of the tubular spring walls elastically stores energy which will return the spring to its normal at rest shape when released.
  • the spring element 134 elastically contracts, in turn creating an axial extension force, and returns the upper piston cone 136 to its normal at rest position.
  • Some embodiments of the spring assembly include a spring element 134 having strain reducing ribs extending along the opposing edges of the longitudinal slot (See Fig. 20).
  • the ribs may include outwardly convex surfaces extending both radially outward and circumferentially outward from the slot edges.
  • This embodiment further includes a first thinner wall thickness at the slot edges and a second thicker wall thickness diametrically opposed from the slot edges. The arcuate surface along with the increasing wall thickness moving away from the slot edges, more evenly distributes strain throughout the spring element and extends the life cycle of the polymer spring element.
  • the spring 134 may comprise a conventional coil spring 134A captured between the piston 118 and dispensing head 108.
  • the upper and lower loading cones 136, 138 act as spring guides.
  • an atmospheric vent 140 may be provided in communication with an interior of the body 102 and in some embodiments, the vent 140 may be opened and closed with movement of the piston 118 and shut off valve 116. As best seen in Figs. 8 and 10, a vent 140 extends between an interior surface of the dispensing head 108 and the interior of the body 108.
  • the vent 140 may include ball valve 142 disposed on the interior of the body 108 to prevent fluid from escaping in at rest conditions.
  • the peripheral piston seal 120 is configured with a v-shaped multiple lip (chevron) seal for engagement with the vent opening formed on the interior surface of the dispensing head.
  • the peripheral chevron seal 120 may be engaged with, or overlie, the vent opening when the piston is in the closed position (See Fig. 8) and may be disengaged from the vent opening (See Fig. 10) when the piston is in the open position.
  • This arrangement creates a self -venting system wherein the vent 140 and the shut off valve 116 are opened and closed simultaneously.
  • some embodiments 200 of the invention may exclude the ball valve structure and rely on only the chevron seal 220 to prevent fluid from escaping in at rest conditions.
  • the embodiment 200 is structurally and functionally similar to tap 100, and includes body 202, dispensing head 208, throat 210, mouth 214, shut off valve 216, piston 218, button 230 and spring 234.
  • FIG. 14 and 15 may include an airless vent system 310.
  • the vent 340 in these embodiments extends from an opening in the body 302 into the interior by means of an extension tube 350, and an expandable vent bag 352 is positioned on the terminal end thereof.
  • the embodiment 300 is otherwise structurally and functionally similar to tap 100.
  • a ball valve 442 may be located at the terminal end of an extension tube 450 which would extend into the interior of the container 900 when mounted.
  • the embodiment 400 is otherwise structurally and functionally similar to tap 100.
  • the cross-sectional flow area of the outlet or mouth MA may be greater than the cross-sectional flow area of the throat TA.
  • the flow area of the throat TA (dashed lines in Fig. 4) is smaller than the flow area provided by the mouth MA (dashed lines in Fig. 7).
  • the constricted throat area TA accelerates fluid flow through the throat and into the dispensing head 108 where the fluid can freely flow out of the larger diameter mouth 114.
  • the diameter (P D ) of the peripheral seal 120 on the piston 118 is larger than the diameter (Vb) of the shut off valve 116.
  • Vb diameter of the shut off valve 116.
  • normal fluid head pressure is greater on the piston seal 120 than the shut off valve 116, and naturally exerts a higher force in the closed direction to keep the shut off valve 116 closed.
  • the arrangement further works advantageously when external pressure is exerted on the container 900 to prevent leaks from the shut off valve 116.
  • the configuration is visible in Figs. 1-10 which show the upper piston portion of the dispensing head having a slightly larger diameter than the lower mouth portion. However, the features are best illustrated in Fig. 11 showing the two different internal diameters.
  • FIG. 18-22 another exemplary embodiment 500 of the invention is illustrated.
  • the illustrated embodiment 500 is nearly identical to the exemplars 100, 200 with the exception of an elongated radial finger flange 532 to facihtate actuation of the button actuator 530.
  • the tap 500 includes a body 502, dispensing head 508, throat 510, shut off valve 516, piston 518, peripheral seal 520, valve stem 522, button 530, spring 532, vent 540 and ball valve 542.
  • the dispensing head 508 includes internal guide channel 524 and loading cone 538 which are integrally formed with the dispensing head 508 and suspended therein by radial support fingers 560.
  • the piston 518 includes integrally formed conical loading cone 536 and chevron peripheral piston seal 520.
  • some embodiments 600 of the invention may include an actuator lever 670 which engages with the top of the piston.
  • the embodiment is similar in internal functional structure as the previous embodiments 100, 200, 500, with the exception of the lever 670 and finger hold structures 632.
  • the tap 600 includes a body 602, dispensing head 608, throat 610, mouth 614, shut off valve 616, piston 618, seal 620, valve stem 622, button 630, spring 634, vent 640 and ball valve 642.
  • the 670 lever may be L-shaped and pivotably anchored at one end 672 on the exterior of the body 602.
  • a first leg 674 of the lever 670 extends over the top of the dispensing head 608 and is engaged with a raised shoulder 676 on the top surface of the piston 618.
  • a second leg 678 of the lever 670 then depends downwardly and forwardly therefrom in front of the dispensing head 608.
  • the finger hold structures 632 are also L-shaped with a horizontal leg 680 and a vertical leg 682.
  • the operator may actuate the tap 600 by either pressing downwardly on the top (first leg 674) of the lever 670 or inwardly on the front (second leg 678) of the lever 670.
  • the horizontal legs 680 of the finger holds 632 may be used as a leverage point for the operator’s index and middle fingers as the first leg 674 is pressed downwardly by the thumb.
  • the vertical legs 682 of the finger holds 632 may be used as leverage points for the same index and middle fingers as the operator pressed inwardly on the second leg 678.
  • the lever 670 and finger holds 632 provide an improved ergonomic system and better user experience.
  • FIG. 32-34 an alternative embodiment 700 is shown.
  • the alternative embodiment 700 can be used in conjunction with any of the above embodiments.
  • some embodiments 700 are adapted for improved sealing around the venting passages and a modified stroke length for accommodating different flow rates.
  • the exemplary illustrated tap 700 includes a body 702, a dispensing head 708, a throat 710, a mouth 714, a shut off valve 716, a piston 718, a seal 720, a valve stem 722, a button 730, a spring 734, a vent 740, and a ball valve 742.
  • the button 730 has a larger and polished peripheral seal 720 for better sealing and vent coverage.
  • the seat of the ball valve 742 also has an improved seat angle (35 degrees) which is more easily molded.
  • the seat angle can be defined as the angled face at the terminal end of the vent 740 disposed in the inner surface of the dispensing head 708 relative to the longitudinal axis of the dispensing head 708.
  • the angled seat surface is better seen in connection with Fig. 31 where the check ball 642 sits against adjacent the valve seat.
  • the exemplary angle may range from 30 to 45 degrees for optimal functionality and ease of molding.
  • the body 702 has also been provided with a larger plug seal 790 for engagement with the bottle neck. Referring to both Figs. 33 and 34, it can be seen that the shut off valve 716 has been improved with a steeper engagement angle for contacting the mouth 714 and that the valve stem 722 is secured within the shut off valve 716.
  • the redesigned valve shape keeps fluid from having an exaggerated outward flowing “umbrella shape” when the fluid is flowing over the valve 716.
  • the shape of the valve 716 can be described as a flared bell-shape having a steeper slope than the valves 116, 216, 516, 616 of the prior embodiments.
  • the flared bell-shaped valve 716 allows fluid to flow downward, relative to the tap 700 as opposed to the flatter valves 116, 216, 516, 616 described above.
  • the downward flare prevents a flowing fluid from creating an “umbrella shape.”
  • the exemplary valve 716 can be molded from MDPE (medium -density polyethylene) NA285 or other suitable materials.
  • MDPE medium -density polyethylene
  • the dispensing head 708, valve 716 and valve stem 722 are shghtly elongated in this embodiment as compared to the earlier embodiments.
  • the elongated design provides a longer stroke length of the push button 730 during actuation and accommodates user with both vented and non-vented versions.
  • the present design allows for a stroke length range of about 5.8 mm to about 7 mm.
  • the present disclosure provides for a novel dispensing system and a liquid dispensing tap having an ergonomic design, high flow rate, and self-venting dispensing tap for a high-viscosity, flowable fluid or hquid formulation, such as a laundry detergent.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

L'invention concerne un robinet de distribution (700) pour liquides, comprenant un corps (702) relié au goulot d'un récipient (900), une tête de distribution (708) munie d'un orifice de sortie ou ouverture (714), et un étranglement (710) qui relie le corps à la tête de distribution. Une vanne d'arrêt (716) est conçue pour venir en contact d'étanchéité avec l'ouverture de la tête de distribution, et un piston (718) est guidé dans le sens axial à l'intérieur de la tête de distribution. Le piston comprend un joint d'étanchéité périphérique (720) en prise coulissante avec une surface intérieure de la tête de distribution, et une tige de vanne (722) couplée à la vanne d'arrêt. Le piston peut être actionné sélectivement entre une position normalement fermée et une position ouverte. Un évent (740) est en communication avec l'intérieur du corps et l'évent est ouvert et fermé par le mouvement du piston et de la vanne d'arrêt.
PCT/US2020/063501 2018-09-27 2020-12-05 Robinet de distribution et procédés d'utilisation de celui-ci WO2021118891A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US17/783,261 US11858799B2 (en) 2018-09-27 2020-12-05 Dispensing tap and methods for using the same
EP20898566.3A EP4069627A4 (fr) 2019-12-08 2020-12-05 Robinet de distribution et procédés d'utilisation de celui-ci

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962945208P 2019-12-08 2019-12-08
US62/945,208 2019-12-08
US17/009,891 US11312613B2 (en) 2018-09-27 2020-09-02 Dispensing tap and methods for using the same
US17/009,891 2020-09-02

Publications (1)

Publication Number Publication Date
WO2021118891A1 true WO2021118891A1 (fr) 2021-06-17

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PCT/US2020/063501 WO2021118891A1 (fr) 2018-09-27 2020-12-05 Robinet de distribution et procédés d'utilisation de celui-ci

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WO (1) WO2021118891A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB720804A (en) * 1952-03-19 1954-12-29 Carl Krebs Improvements in or relating to dispensers, containers, or receptacles, particularly mustard dispensers
US3876549A (en) * 1972-02-03 1975-04-08 Irving Touval Flame retardant polymer compositions comprising chlorinated cycloaliphatic hydrocarbons and hydrated stannic oxide
US4640493A (en) * 1983-05-21 1987-02-03 Mardon Illingworth, Ltd. Tap for a liquid container
FR2608722A1 (fr) * 1986-12-17 1988-06-24 Fabrication Ind Robinet de soutirage de produit liquide, a commande manuelle, admission d'air et fermeture automatique pour reservoirs divers
US5998006A (en) * 1996-09-03 1999-12-07 Sentinal Products Corporation Variegated extruded article and method of making
US20020146551A1 (en) * 1998-04-17 2002-10-10 Freedman Melvin S. Multilayer films and labels
US20090301572A1 (en) * 2006-03-22 2009-12-10 Vitop Moulding S.R.L. Liquid dispensing tap, in particular for liquids with higher density
US20170247239A1 (en) * 2014-09-04 2017-08-31 Vitop Moulding S.R.L. Liquid dispensing tap, particularly for dispensing liquids with higher densities from rigid vessels
US20190031490A1 (en) * 2017-07-28 2019-01-31 David S. Smith America, Inc., Dba, Worldwide Dispensers Front Push Tap
US10526191B1 (en) * 2018-09-27 2020-01-07 Silgan Dispensing Systems Corporation Dispensing tap and methods for using the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8516908D0 (en) * 1985-07-04 1985-08-07 Alumasc Ltd Liquid dispensing tap
US10473176B2 (en) * 2018-01-03 2019-11-12 Silgan Dispensing Systems Corporation Compression spring assembly and methods of using the same

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB720804A (en) * 1952-03-19 1954-12-29 Carl Krebs Improvements in or relating to dispensers, containers, or receptacles, particularly mustard dispensers
US3876549A (en) * 1972-02-03 1975-04-08 Irving Touval Flame retardant polymer compositions comprising chlorinated cycloaliphatic hydrocarbons and hydrated stannic oxide
US4640493A (en) * 1983-05-21 1987-02-03 Mardon Illingworth, Ltd. Tap for a liquid container
FR2608722A1 (fr) * 1986-12-17 1988-06-24 Fabrication Ind Robinet de soutirage de produit liquide, a commande manuelle, admission d'air et fermeture automatique pour reservoirs divers
US5998006A (en) * 1996-09-03 1999-12-07 Sentinal Products Corporation Variegated extruded article and method of making
US20020146551A1 (en) * 1998-04-17 2002-10-10 Freedman Melvin S. Multilayer films and labels
US20090301572A1 (en) * 2006-03-22 2009-12-10 Vitop Moulding S.R.L. Liquid dispensing tap, in particular for liquids with higher density
US20170247239A1 (en) * 2014-09-04 2017-08-31 Vitop Moulding S.R.L. Liquid dispensing tap, particularly for dispensing liquids with higher densities from rigid vessels
US20190031490A1 (en) * 2017-07-28 2019-01-31 David S. Smith America, Inc., Dba, Worldwide Dispensers Front Push Tap
US10526191B1 (en) * 2018-09-27 2020-01-07 Silgan Dispensing Systems Corporation Dispensing tap and methods for using the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4069627A4 *

Also Published As

Publication number Publication date
EP4069627A4 (fr) 2024-01-10
EP4069627A1 (fr) 2022-10-12

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