Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
  • F16K21/00—Fluid-delivery valves, e.g. self-closing valves
  • F16K21/04—Self-closing valves, i.e. closing automatically after operation
• • 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
  • B65D83/0005—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container
• • 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
  • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
  • B65D25/38—Devices for discharging contents
  • B65D25/40—Nozzles or spouts
  • B65D25/48—Separable nozzles or spouts
• • 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
  • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
  • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
  • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
• • 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
• • 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
  • B65D47/2018—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure
  • B65D47/2056—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure lift valve type
  • B65D47/2062—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure lift valve type in which the deformation raises or lowers the valve stem
  • B65D47/2075—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure lift valve type in which the deformation raises or lowers the valve stem in which the stem is raised by the pressure of the contents and thereby opening the valve

Definitions

• the present invention relates to a dispensing apparatus of the type set forth in the preamble of claim 1.
• Such dispensing apparatuses usually are mounted at one end of tubular containers, pots or the like, which contain a liquid, which is to be sold.
• These containers can be made of a rigid or deformable plastic material, sheet metal, aluminium sheet or the like. They can be provided with a piston with a certain or many different possible shapes and an actuator for the piston and/or be designed to be compressed in order to dispense the contents in the container.
• the liquid can be a glue, a sealant, a pharmaceutical, a medical product, a food product etc. and can have an arbitrary consistency, e.g. flow easily or be viscous.
• the main object of the present invention is to always obtain a completely satisfactory, reliable and air-tight closing after a completed dispensing, irrespective of the viscosity of the used liquid. Additional safety means, which secures and improves the closing position, preferably are used.
• Another drawback of known techniques is, that the force, required for the dispensing is inadequate and it is for instance necessary to use relatively large forces and still obtain a too limited dispensing or a relatively small use of force will result in a too large dispensing.
• the object of the present invention is in this respect to make it possible for a carefully adjustable control to obtain, with adequate forces and a desirable speed, a uniform dispensing of a desirable amount. This means, that it is possible to control the use of the medium to a desired volume, which means, that a desired amount always will be obtained and that consequently no unnecessary energ ⁇ will be used. This is an important factor in the life cycle of the product.
• dispensing apparatuses are often relatively complicated, expensive and time-consuming to mount. They are sensitive to disturbances and are often not integrated with or adapted to the container. Their functionality can be negatively affected during long storage periods or varying storage conditions. Finally the design and the position of the dispensing apparatuses often result in , that the apparatuses easily are damaged and that their function is jeopardized.
• Th ⁇ dispensing apparatus is such a construction.
• Another important function of the new construction is, that, compared to known solutions, the used, almost empty container/bottle does not leak in an uncontrollable way after its use.
• the present invention will provide important improvements or will eliminate existing deficiencies and dangers. Also, the invention will develop the state of the art in this field in various additional respects. Some of these are the opportunities for recycling and integration respectively , i.e. the supply of containers having completely or at least partially integrated dispensing apparatuses, which so fai often have been made by other manufacturers and/or of other manufacturing materials, e.g. metal, which is conducive to risks of functional problems etc.
• Fig. 1 shows a first embodiment of a dispensing apparatus according to the inventior in a rest or closing position, with part enlargements ;
• Fig. 2 shows the apparatus according to Fig. 1 in a working or dispensing position ;
• Fig. 3 are views according to Fig. 1 of another embodiment of a dispensing apparatu; according to the invention ;
• Fig. 4 shows the apparatus according to Fig. 3 in a working or dispensing position
• Fig. 5 are views according to Fig. 1 of a fourth embodiment of a dispensing apparatu! according to the invention, in which the container for it in an integrated form comprises all the components , which are essential for the dispensing ;
• Fig. 6 shows the apparatus according to Fig. 5 in a working or dispensing position
• Fig. 7 shows an enlarged outer dispensing tube area, which is a component of a dispensing apparatus, designed according to Figs. 1-6, which area includes a sealing lip in a not actuated condition in a diametrically axial cross-section ;
• Fig. 8 is a view similar to Fig. 2 of another modified dispensing apparatus according to the invention, which is particularly suitable for a mounting in a conduit or the like.
• an e.g. rotation-symmetrical container 1 which has a front outwardly suitably slightly convex support wall 2, which in a centrally and axially projecting position is provided with a preferably mainly cylindrical dispensing device or tube 3 having an outer thread 4, designed for a screwing on of a lid 5 with a corresponding inner thread 34.
• This device and possibly a portion of wall 2 may alternatively comprise a separate part (not shown) , which can be inserted into an opening, designed for this purpose, in said wall.
• This type of design may be preferable, in case it is suitable to fill the container from the front and then adapt the dispensing device .
• the rearwardly or downwardly open container is filled from this later direction, and then a piston 6 is adapted in the same direction or the rear or the lower container end 7 is closed by welding.
• the container, the dispensing tube and the remaining dispensing means can be integrated according to Figs. 5 and 6.
• the container suitably is made of a plastic material, particularly of polyethylene or polypropylene.
• a metal particularly aluminium, can be used as an alternative.
• an inwardly projecting lip 10 all around comprising a holding element and a valve seat, suitably is arranged in a practical embodiment at a small distance from orifice plane 9, e.g. 3-20 mm.
• Lip 10 can be regarded as a cone, which cooperates with body 21 of valve 20 and which thus displays a breaking, limiting function in connection with the squeezing out of the enclosed medium from the container.
• the lip suitably is made jointly with the tube and the entire container respectively , preferably through injection moulding, and projects in a tapering or narrowing way obliquely forwards towards the centre of the orifice plane under a general or average angle of 30-60°, preferably about 45°.
• the tapering is done, expressed in detail and shown in Fig. 7, by extending shoulder 11 ol the lip in the axial direction somewhat longer towards rear end 7 of the container in order to increase the support for free end area 12 of the lip towards said container end.
• Lower side 13 of the lip shoulder suitably is mainly straight, includes about half this side of the lip and encloses an angle of e.g. about 20° with cylindrical inner wall 14 of the tube, which for the rest suitably is flat, whereas the lip on its upper side 15, in addition to a weak concave arching at the shoulder, mainly is straight and enclose an angle of on average 40-80° , preferably about 60° between itself and the opposite tube wall.
• the lip forms on its lower side a short , suitably somewhat concave side 16, which thus easily diverges from upper side 15 and which, via a more pronounced buckling point 17, is transformed into a mainly straight release side 18, which jointly with the upper side at its farthest end forms a sharp lip point 19 with an angle of 10-40°, preferably 25°.
• Release side 18 encloses an angle o 5-45°, preferably about 25°, with the tube axis in its imaginary extension.
• the lip occupies about 30-70 % of the cross-sectional area of opening 8, i.e. extends over about 10-50 % of the diameter of opening 8.
• Lower or rear end 7 of the container may in certain cases be welded up after the filling of the container in a filling station. In other cases this end may be left open anc in this end a piston 6 may be introduced after the filling, which in both cases suitably is accomplished by turning the container upside-down, but the tube or the like 3 mus first be closed, particularly by providing it with a valve body 20 for an automatic closing.
• Valve body 20 has a rod-shaped or mainly cylindrical body 21, front end or outer enc 22 of which comprises a forwardly or outwardly , preferably softly rounded head 23 having a round fastening edge 24, which projects above said body and which is located within an at least mainly radial plane in relation to said body.
• said head forms a suitably axial or weakly conical, short cylindrical surface 25, which via a small bending radius is transformed into a softly rounded main surface.
• the head can be designed as a cone.
• Rear or lower end 26 of body 21 suitably ends abruptly at 27 and is transformed hear into a cup spring 28, which jointly with the rear body end suitably roughly is designed as a truncated cone with a cone angle of 30-60°, preferably about 45°, is open forwards , i.e. surrounds the rear body end at a distance , which increases from end surface 27.
• a cup spring is to be defined in this connection as any type of resilient or elastic means, applied around the body. Thus, it may be e.g. blades, legs and even threads, separated from each other by spaces.
• cup spring 28 preferably principally originates from the basic shape of a cup or plate and is of uniform thickness, but it ends as a roughly radial front end surface 29, a somewhat obliquely outwardly and forwardly extended point being formed with an angle of about 30°. This point is slightly rounded, i.e. has a bending radius of 0.2-1 mm.
• the transition from end surface 29 into inner or front surface 30 of the cup spring comprises a round edge with a small bending radius , because said surfaces jointly enclose an angle of 130-170°, preferably about 150°.
• the cup spring is providec with a number of holes 31, which are evenly distributed along its periphery , have a relatively large diameter, e.g.
• 15-40 % of the extension of the spring from said body are through holes, straight through , possibly coaxially through the body.
• holes arbitrarily designed, e.g. slot-shaped, radially extending openings can be used, possibly openings, which freely end at the periphery of the cup or plate.
• the diameter of said body is e.g. 10-50 % smaller than the width of opening 8 of the tube. In this way a dispensing duct with a sufficiently large cross-sectional area is obtained.
• Front end 22 and rear end 26 of the body preferably have the same diameter, but a smaller or larger concentric diameter reduction 32 may extend between the two ends. This will facilitate the production and results in material savings.
• fastening edge 24 may extend inside diameter reduction 32 and form jointly with it a V-groove 33, in which lip point 19 roughly cone-shaped can be introduced and in this way secure a particularly efficient holding action and sealing respectively.
• As an alternative diameter reduction 32 may penetrate fastening edge 24 and to some extent into end 22 or solutions similar to the above-mentioned solutions may be used, i.e. part 24 as well as part 32 may have a small angle inwards.
• Figs. 1 and 2 functions in the following way :
• container 1 is filled with a liquid and lid 5 is screwed down completely onto tube 3.
• the lid possibly having an inner rise 36, abuts head 23 and possibly presses it somewhat firmer downwards against fastening edge 24 and possibly a V-groove on lip point 19 (see fig. 7) respectively, particularly the latter, in addition to the lip in its entirety, being expanded somewhat and/or being allowed to penetrate a certain distance into the material of rod-shaped body 21 in order to increase the sealing pressure and make the joining more efficient.
• valve 20, with its lid or without is slightly prestressed between lip 10 and free wall 2, i.e.
• the total prestressing distance may be 1-10 mm, preferably about 2 mm in a practical embodiment, while the described cooperation between the lid and the valve, with a certain pressing downwards of the latter, prestores the prestress somewhat for the benefit of the area around the lip, but preferably without a complet disappearance of the elasticity of the bearing of the cup spring against the front wall. However, the cup spring is disengaged somewhat and its front, outer point slightly abuts the front wall.
• a piston 6 is activated respectively, also the pressure being increased on the cup spring from inside the container and the spring being compressed with a slight levelling off-tendency towards the front wall, until the front valve body end is lifted from lip 10 and allows the lip to be constricted elastically , mainly radially outwards , an annular groove 37 being formed between the lip and rod-shaped body 21, liquid being propagated and penetrating openings 31, into the dispensing element hole and said annular gap and out from the dispensing element or the like and towards the application area (Fig. 2).
• the openings in it and the lip which is elastically held outside said annular gap, will jointly allow a certain substantial constant dispensing pressure, which results in, that the dispensing will be very even.
• the lip plays now an important role in the form of a valve cone, which surrounds rod-shaped body 21, thereby designed to control the dispensed flow.
• the gap between lip 10 and body 20 can be selected depending on the type of medium to be controlled. In case the dispensing pressure is too low, valve 20 and lip 10 respectively will be closed, In case the dispensing pressure is too high, the cup spring, the openings in it and the lip have a damping action, only a small increase of the dispensed amount and a small increased dispensing speed being realized.
• the vacuum is so small, that no air is drawn into the container from the outside, because only a small fraction of the space, filled with liquid or covered by a liquid film, outside the lip is involved .
• a pressure adjustment takes place through the openings in the cup spring and only the remaining elasticity of the latter, i.e. an elastic abutment pressure against the inner side of the front wall, keeps the valve closed.
• a lid 5 suitably is screwed onto the dispensing element again, th ⁇ effects described above being obtained.
• the contents in the container is a glue it may be suitable to wait a little , until the glue residue in the outermost dispensing element part has solidified and can be removed.
• a spout it is possible to throw it away together with solidified glue residues in it and in the opening of the dispensing element, when a new dispensing , using a new spout , will take place again later on.
• a pointed bead 40 which extends around the outer side of the body, is arranged below dispensing holes 39. It is shown in Fig.
• This embodiment functions otherwise like the first described embodiment, but the contents of the container does not penetrate the cup spring but is fed through the rod- shaped body and, when a certain pressure level has been reached, through the dispensing holes, when the valve element has been removed slightly from the lip and the dispensing holes have been exposed. When the pressure has fallen below said pressure level, the cup spring will again draw the valve body downwards to the closing position according to Fig. 3.
• Figs. 5 and 6 an embodiment of the container is shown, which is substantially similar to the embodiment according to Figs. 1 and 2. Instead of front wall 2 in the first embodiment in this second embodiment a shoulder is arranged within dispensing element 3, which in a preferably oblong shape is made in one piece with the container. Rear container end 7 is open until the filling, and then it will be closed, preferably by welding (see Fig. 6).
• the embodiment shown in Fig. 8 is particularly suitable for a mounting in a conduit 44 or in a container tube.
• the design comprises a plug 45 with a circular cylindrical outer surface, the front/ outer end of which is orifice plane 9 and the rear/inner end of which is used as said support wall 2.
• the plug In its interior the plug is designed like the design according to Figs. 1 and 2, possibly according to Figs. 3 and 4.
• the valve is also designed according to these figures or according to a few of the rest of the figures.
• the advantage of this design is, that it can be applied on conventional container tube or conduit designs, where the fastening is done in a known fashion.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
• Closures For Containers (AREA)
• Details Of Rigid Or Semi-Rigid Containers (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=20291097

Family Applications (1)

Country Status (8)

Families Citing this family (18)

Family Cites Families (14)

• 2003
  • 2003-04-23 SE SE0301184A patent/SE526165C2/sv not_active IP Right Cessation
• 2004
  • 2004-04-19 WO PCT/SE2004/000596 patent/WO2004094256A1/en active Search and Examination
  • 2004-04-19 CN CNA2004800098644A patent/CN1774373A/zh active Pending
  • 2004-04-19 US US10/549,070 patent/US20060261098A1/en not_active Abandoned
  • 2004-04-19 RU RU2005136231/12A patent/RU2005136231A/ru not_active Application Discontinuation
  • 2004-04-19 EP EP04728301A patent/EP1615837A1/en not_active Withdrawn
  • 2004-04-19 KR KR1020057019325A patent/KR20060007383A/ko not_active Application Discontinuation
• 2005
  • 2005-09-12 NO NO20054212A patent/NO20054212L/no not_active Application Discontinuation

Non-Patent Citations (1)

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