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
  • B67D3/045—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 parallel to the seat
  • B67D3/046—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 parallel to the seat and venting means operated automatically with the tap
• • 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
  • B65D47/00—Closures with filling and discharging, or with discharging, devices
  • B65D47/04—Closures with discharging devices other than pumps
  • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
  • B65D47/26—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with slide valves, i.e. valves that open and close a passageway by sliding over a port, e.g. formed with slidable spouts
  • B65D47/28—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with slide valves, i.e. valves that open and close a passageway by sliding over a port, e.g. formed with slidable spouts having linear movement
  • B65D47/283—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with slide valves, i.e. valves that open and close a passageway by sliding over a port, e.g. formed with slidable spouts having linear movement between tubular parts

Definitions

• the invention relates to a closure for an opening of a container with a tap having a product channel which can be blocked by an axially movable piston.
• Object of the present invention is to simplify the product removal from a container and improve.
• the closure according to the invention for an opening in a container is equipped with a tap having a product channel. This product channel can be shut off by an axially movable piston.
• a closure according to the invention has a ventilation channel for the container. There Product channel and ventilation duct are contained in the same closure, a separate ventilation is not required.
• a guide is preferably provided for the piston, in which it is axially movably guided.
• This guide can, since it can be designed, for example, essentially as a bore, also assume channel function, as will be explained further below.
• the cock and a closure cap can preferably be designed in each case with regard to their own function.
• a cap can be connected via various locking mechanisms, eg. B. screw or snap / snap closure to be connected to the container.
• the cock and the piston movable therein are particularly accessible and manageable, when the longitudinal axis of the piston and the piston guide at a certain angle to the central axis of the cap, preferably perpendicular to this stand.
• a particularly compact and economical design provides that both the product channel and the ventilation channel open into the piston guide of the tap.
• the mouth openings of the two channels are spaced apart within this guide.
• the piston may be advantageous to equip the piston with at least one piston ring as a sealing element.
• sealing elements of the piston can, for example, in closure division of the piston above and below the respective orifice, seal them between the piston and the piston guide.
• Possible embodiments of such sealing elements are for example piston rings or O-rings.
• the present de invention is not limited to these two embodiments, also all possibilities of sealing such constructions are also conceivable within the scope of this invention.
• the invention may be advantageous for the invention to make the piston hollow and at least to provide a lateral bore.
• a bore could correspond for example in the open position of the piston with the mouth of the ventilation duct so that it is released. The ventilation of the container is thus ensured via the tap, the hollow piston, the bore of the piston and the ventilation channel.
• the piston completely releases the product channel in this open position. Such a complete release ensures a swift and tear-free product jet.
• a restoring force of this kind could, for example, by a clamping element, for.
• a spring preferably a coil spring
• Advantage of such restoring force may be, with a suitable design that is held by these in a closure according to the invention, the piston in the closed position.
• the force can be adjusted, with which the piston is held in this closed position.
• a spring as a clamping element, it may be advantageous to set this force in the range of 3 N to 8 N, preferably in the range of 4 N to 5 N.
• the same clamping element can serve, for example, in a closure according to the invention to apply a force which is necessary for holding the piston in the open position.
• This force may be, for example, in the range of 10 N to 25 N, preferably in the range between 12 N and 18 N.
• a handling element can be connected to the latter.
• This handling element can be both integral with the piston as well as plug-in, snap-locking or similar compounds connected to this.
• the training of the handling element is provided depending on the desired operation of the cock.
• these attack surfaces could be adapted for use by the user's index and middle fingers.
• the attack surfaces could protrude, for example, ears.
• the cock of a closure according to the invention may be advantageous to equip with a stop which limits the movement of the piston from the closed position to the open position.
• This has the advantage that unintentional disassembly of the cock is prevented when opening by such a stop.
• this stop may be advantageous to equip this stop with a locking position for the thumb of the user. For the formation of the handling element with two engagement surfaces for the fingers of the user, this detent position of the stop, so the abutment for the piston opening movement.
• the movement of the piston in the open position takes place after syringe principle, that is, the user grasps the handling element with index and middle finger, places his thumb on the detent position of the stop and pulls the handling element to the thumb.
• the stop position or the stop travel is preferably selected so that when striking a hole in the piston corresponds to the mouth of the ventilation duct.
• the diameter ratio of product channel to ventilation channel to the maximum filling level of the container and the viscosity of the product can be, for example, in the range between 5: 1 and 15: 1, and preferably, for example, 10: 1.
• a closure in the context of the invention can be used, for example, for containers with a maximum filling height in the range between 150 mm and 250 mm liquid column.
• the viscosity of the product can be selected, for example, in the range between 100 and 1800 mPas, preferably in the range between 800 and 1200 mPas.
• Another constructive step to prevent this dripping can be, for example, to reduce the diameter of the piston guide and the piston of a closure according to the invention at the lower end.
• This reduction in diameter can be done both continuously and in steps.
• the result of this reduction in diameter is a volume minimization in the region of the discharge opening.
• the residual amount of the product when closing the tap is thereby minimized.
• a lower residual amount also means a shorter dripping time.
• Further tests have shown that an additional sealing of the discharge opening can be advantageous against dripping.
• the piston of a closure according to the invention can be sealed, for example, via a conical end at the lower end to the discharge opening adapted to this end in the manner of a valve seat. '
• this extension does not necessarily end above the maximum liquid level of the container. That is, this extension can be a snorkel, but it does not have to. Preferably, this extension is lower in its expression than the cap.
• Fig. 1 shows a preferred embodiment of a closure according to the invention in an oblique view
• FIG. 2 shows a section through a preferred embodiment of a closure according to the invention in the closed position
• Fig. 3 shows a section through a preferred embodiment of a closure according to the invention in the open position.
• Figs. 1 to 3 of the drawings show a preferred embodiment of a closure according to the invention for an opening of a container.
• the cap 10 is shown on the right and the cock 16 on the left.
• FIG. 2 shows how the piston 4 closes the mouth openings of the two channels in the closed position.
• sealing elements 14 are attached to the piston.
• O-rings are used as sealing elements. These sealing elements are respectively above and below the mouth openings of the channels. They thus seal both the ventilation channel 6 and the product channel 5 annularly upwards and downwards between the piston 4 and the Kolbe arrangement 8.
• the piston guide 8 is provided at the upper end with a stop 9, which is connected by means of a snap-locking connection thereto. Between the stop 9 and the piston 4, a coil spring 3 is provided as a clamping element. This spring 3 applies a restoring force to the piston and holds it with a defined force in the closed position.
• the central axis 12 of the piston guide 8 and the piston 4 is perpendicular to the central axis 11 of the cap 10. This is for ease of use by the user.
• a handling element 7 Connected to the piston is a handling element 7, as shown in FIGS. 1 to 3 can be seen. In the present embodiment of the invention, this is integrally connected to the piston 4.
• This handling element 7 forms two engagement surfaces 17 on the underside, on which the user's fingers can come to rest. For preferred use in the present embodiment, these attack surfaces are adapted to the user's index and middle fingers.
• a detent position 18 is preferably provided on the stop 9 for the thumb of the user.
• the user with the index and middle fingers grips the underside of the handling element 7 at its engagement surfaces 17 and with the thumb the detent position 18 of the stopper 9.
• the piston 4 in the piston guide 8 is moved axially against the restoring force of the tensioning element 3 in the open position.
• a continuous application of force by the user is necessary.
• Accidental dispensing of product is thus excluded in the present embodiment of the invention, since after releasing by the user, the piston 4 is immediately returned to its rest position by the clamping element 3 and thus closes both the ventilation duct 6 and the product discharge channel 5.
• the piston 4 has a bore 2, which is arranged below the lower sealing element 14 for the ventilation channel and above the upper sealing element for the product channel 5. Now, if the piston 4 brought in the manner described in the open position, the opening 2 comes to rest at the level of the ventilation duct. At the same time, the piston 4 at the lower end of the product channel 5 completely free.
• Product can now be discharged from the container through the product channel and the released lower part of the piston guide 8 through the discharge opening 15.
• the path of the air leads through lateral slots or recesses in the piston guide 8 through the interior of the hollow piston 4 and the bore 2 into the ventilation channel and thus into the container.
• the ventilation channel 6 is extended in the present embodiment into the container in order to facilitate a facilitated detachment of the air bubbles during the ventilation operation. If the piston is then moved back into its closed position by the restoring force of the clamping element after the end of the dispensing operation, the ventilation channel and product channel are closed at the same time. The product flow through the product channel 5 is discharged as it were. shears.
• a tip 13 is provided in the present embodiment at the lower end of the piston 4, at which any product residues can collect and drain off quickly. The problem of dripping is thus reduced to a very short time after closing. Below the product channel both the piston 4 and the piston guide 8 is reduced in diameter. The piston 4 is provided at the lower end with a conical end, which additionally seals the discharge opening 15 in the closed position.
• the cap 10 is provided with an internal thread.
• any other form of connection is conceivable.
• the present embodiment of a closure according to the invention can therefore be used, for example, in a container for liquid detergent and seal it.
• the user can open the tap with one hand (with three fingers) and thus has the other hand free, for example to hold a Dosier testingnis.
• An active closing is not necessary because the closed position of the piston 4 is automatically taken by the restoring force of the clamping element 3.
• the user does not have to wait long after closing the faucet until any remaining quantities have dripped off, as the dripping time described is minimized by the constructive measures described.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Closures For Containers (AREA)
• Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
• Sliding Valves (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (2)

Family

ID=34969618

Family Applications (1)

Country Status (7)

Families Citing this family (9)

Family Cites Families (19)

• 2004
  • 2004-06-18 DE DE102004029488A patent/DE102004029488B3/de not_active Expired - Fee Related
• 2005
  • 2005-06-11 PL PL05750163T patent/PL1756453T3/pl unknown
  • 2005-06-11 AT AT05750163T patent/ATE510157T1/de active
  • 2005-06-11 EP EP05750163A patent/EP1756453B1/fr not_active Not-in-force
  • 2005-06-11 WO PCT/EP2005/006277 patent/WO2005124204A2/fr active Application Filing
  • 2005-06-11 JP JP2007515841A patent/JP2008502852A/ja active Pending
  • 2005-06-11 US US11/630,019 patent/US20080257884A1/en not_active Abandoned

Non-Patent Citations (1)

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