WO2007146206A2 - Distributeur de matériau dosé - Google Patents

Distributeur de matériau dosé Download PDF

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Publication number
WO2007146206A2
WO2007146206A2 PCT/US2007/013650 US2007013650W WO2007146206A2 WO 2007146206 A2 WO2007146206 A2 WO 2007146206A2 US 2007013650 W US2007013650 W US 2007013650W WO 2007146206 A2 WO2007146206 A2 WO 2007146206A2
Authority
WO
WIPO (PCT)
Prior art keywords
metering cup
reservoir
baffle
dispenser
cup
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.)
Ceased
Application number
PCT/US2007/013650
Other languages
English (en)
Other versions
WO2007146206A3 (fr
Inventor
Keith E. Antal
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sonoco Development Inc
Original Assignee
Sonoco Development Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sonoco Development Inc filed Critical Sonoco Development Inc
Publication of WO2007146206A2 publication Critical patent/WO2007146206A2/fr
Publication of WO2007146206A3 publication Critical patent/WO2007146206A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/10—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers moved during operation
    • G01F11/26—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers moved during operation wherein the measuring chamber is filled and emptied by tilting or inverting the supply vessel, e.g. bottle-emptying apparatus
    • G01F11/261—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers moved during operation wherein the measuring chamber is filled and emptied by tilting or inverting the supply vessel, e.g. bottle-emptying apparatus for fluent solid material
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G19/00—Table service
    • A47G19/30—Other containers or devices used as table equipment
    • A47G19/32—Food containers with dispensing devices for bread, rolls, sugar, or the like; Food containers with movable covers
    • A47G19/34—Food containers with dispensing devices for bread, rolls, sugar, or the like; Food containers with movable covers dispensing a certain quantity of powdered or granulated foodstuffs, e.g. sugar

Definitions

  • the present invention relates to dispensers for delivering a predetermined amount of graniilar/particulate material, e.g., seasonings, colorants, concentrates, powdered mixtures, etc.
  • graniilar/particulate material e.g., seasonings, colorants, concentrates, powdered mixtures, etc.
  • Dispensers are commonly employed to add seasonings and flavorings to foods and/or beverages.
  • seasonings such as table salt and ground pepper are dispensed from shakers comprising a single-chamber container or reservoir.
  • the container typically includes an end cap comprising a plurality of apertures to allow the material to be dispensed upon inverting and agitating the shaker. The size and number of apertures will vary with the type of material to be dispensed.
  • a dispenser for table salt will typically have fewer apertures than, for example, a pepper dispenser inasmuch as the density and concentration of table salt is such that smaller quantities are desired (i.e., with each oscillation of the container.)
  • a dedicated dispenser with the appropriately sized/numbered apertures will be employed for each material to control the dispensing rate. While the size and number of apertures can control the flow rate of material, the user must monitor other variables such as the length of time, number of oscillations, etc., to accurately control the quantity of dispensed material.
  • a first chamber forms a material reservoir while a second chamber is calibrated for measuring the material.
  • the chambers are typically stacked, one above the other or in tandem.
  • the delivery tube communicates with the measuring chamber at one end, extends through the reservoir, and at the opposite end communicates with the apertures of the dispenser. See, e.g., Abbott US 1,707,967; Trautvetter US 1,763,449; and Gordon US 2,644,616.
  • Eckman US 4,961,521 discloses an adjustable metered dispenser useful for delivering seasonings such as salt and pepper.
  • Eckman' s dispenser comprises two chambers arranged in seriatim. The first chamber is a material reservoir and the second chamber is a measuring chamber. Eckman's dispenser exhibits an ability to close the metering chamber from the reservoir chamber when the material is dispensed. Thus, in order avoid over- dispensing, the user must be sure that the passageway between the two chambers is closed.
  • Krupic US 5,169,049 discloses a dispenser for seasonings, such as salt and pepper. The shaker comprises three chambers: a material reservoir chamber, a measuring chamber and a dispensing chamber.
  • the reservoir chamber is disposed between the measuring chamber and the dispensing chamber while a delivery tube communicates with the measuring chamber and the dispensing chamber.
  • the measuring chamber faces downwardly.
  • the dispenser is inverted, and the dispensing chamber is filled with the material from the measuring chamber.
  • the material must then be dispensed by shaking the dispenser in the inverted position to evacuate the material from the dispensing chamber via a plurality of apertures.
  • one embodiment of the device includes shake-back guards within the reservoir chamber.
  • a dispenser for delivering a controlled quantity of a granular material.
  • the dispenser comprises a container assembly, a diffuser and a metering cup.
  • a baffle is provided for stabilizing the measured quantity of material prior to dispensing.
  • the container assembly includes a reservoir disposed within a container and a passageway is defined around the reservoir.
  • the reservoir is adapted for containing the granular material and defines a nozzle for the outflow of material.
  • the metering cup is disposed in combination within the container assembly and has an open end adapted to receive a fixed quantity of material from the nozzle.
  • the baffle is preferably positioned radially inward of the metering cup and adjacent the nozzle.
  • Granular material is collected in the metering cup and engages the baffle, when the dispenser is disposed in a first orientation.
  • the material is dispensed by inverting the container assembly, i.e., in a second orientation, such that material flows out of the metering cup, into the passageway and out onto the diffuser.
  • FIG. 1 is a perspective view of an embodiment of a dispenser according to the present invention as shown in a dispensing position.
  • Fig. 2 is an exploded perspective view of the dispenser embodiment as shown in Fig. 1.
  • Fig. 3 is a cross sectional view of the dispenser embodiment as shown in Figs. 1 and 2.
  • Fig. 4 is a perspective view of a baffle for use with the dispenser embodiment of Figs. 1-3.
  • Fig. 5 is a plan view of the baffle shown in Fig. 4.
  • Fig. 6 is a partial cross sectional view of the baffle and metering cup portions of the dispenser of Figs. 1-5.
  • FIG. 7 is a partial cross sectional view of an alternate embodiment of the dispenser according to the present invention. Detailed Description of the Drawings
  • Fig. 1 depicts an exemplary embodiment of a dispenser 10 according to the present invention.
  • the dispenser 10 is primarily used to dispense medium to coarse particulate material, such as salt, but may also be used to dispense fine or ultra-fine granular material, such as confection sugar, cinnamon or other such seasonings.
  • medium to coarse particulate material such as salt
  • fine or ultra-fine granular material such as confection sugar, cinnamon or other such seasonings.
  • teachings herein are described in the context of the food service/preparation industry, it will be appreciated that the teachings herein are applicable to measuring and dispensing any granular or particulate material.
  • the dispenser 10 is multi-purpose and may be reconfigured to dispense variable quantities of material or dispensing a variety of different materials.
  • the dispenser 10 comprises a central, generally cylindrical container or enclosure 12, which is to be loaded or filled with a granular material (not shown in Fig. 1). At one end of the container 12 is a flaired end portion 14. At the opposite end of the container 12 is a cone shaped collector 16.
  • a cap 18 is provided on the flaired end 14 and a diffuser 22 is disposed at the collector end 16 via ribs 24.
  • the ribs 24 support the diffuser 22 on the outside surface of the collector 16.
  • a collector opening 26 is formed in the collector 16. As explained in more detail below, granular material falls from opening 26 and is diffused by diffuser 22 over a food product.
  • a handle 20 is connected to the container 12 for holding and manipulating the dispenser 10 between the upward position and the inverted, dispensing position.
  • the dispenser 10 is preferably comprised of a rigid material such as plastic, metal or glass. However, it may be comprised of flexible materials.
  • Fig. 2 is an exploded perspective view of the embodiment of the invention shown in Fig. 1.
  • the container 12 defines an internal volume 28, which is accessible by removal of the cap 18 from the flaired end 14 of the dispenser 10.
  • An inner reservoir 30 is positioned within the internal volume 28.
  • the reservoir 30 may be removable from the container 12 when empty and replaced with a reservoir filled with a charge of material.
  • the reservoir 30 defines an internal volume that retains the material to be dispensed by the dispenser 10.
  • the internal reservoir 30 includes a reservoir cap 32, which encloses one end of the reservoir 30.
  • a nozzle 34 is defined at the base of an angled surface 36 of the cap 32.
  • a metering cup 38 is provided on a wall portion 40 of the cap 18.
  • the cap 18 is generally circular and has an area 31 into which the wall portion 40 snugly fits.
  • the cap 18 and wall 40 may also be made as an integral unit.
  • baffle 44 Positioned between the wall portion 40 of the cap 18 and the reservoir cap 32 is a baffle 44, which is discussed in greater detail below. Slots 70 formed in a baffle plate 64 engage tabs 42, projecting from the wall portion 40. The slots 70 also engage reservoir ribs 72, which fixes the position of the baffle plate 64. As illustrated, the baffle 44 is removable. However, in another embodiment (not shown), the baffle is integrally formed with the reservoir cap 32. An open area 58 (Fig. 3) is defined between the baffle plate 64 and the angled surface on the outside of the reservoir cap 32.
  • FIG. 3 there is shown the enclosure of the container 12 having the internal reservoir 30 positioned therein.
  • the outside dimension of the reservoir 30 is shown to be less than the internal dimension 28 of the container assembly 12 and defines a passageway 52 therebetween for directing granular material 46 from the metering cup 38 to the collector opening 26 for deposition onto the diffuser 22.
  • the fins 50 position the reservoir 30 within the internal volume 28 of the container 12.
  • the angled surface 36 is spaced from the baffle plate 64 and defines the open area 58 which feeds the passageway 52.
  • the dispenser 10 is in an inverted dispensing position (i.e., a "second orientation").
  • the dispenser 10 normally sits on its cap 18 with the diffuser 22 projecting upwardly.
  • the granular material 46 within the reservoir 30, by the force of gravity, moves downwardly to the angled surface 36 and a portion thereof passes through the nozzle 34 into an open end of the metering cup 38.
  • the volume of material in the metering cup 38 moves outside the angled surface 36 into the passageway 52, and across the collector 16 to the opening 26.
  • the granular material discharges in this inverted position from the collector opening 26 and is diffused over the food product or the like by means of the diffuser 22.
  • the diffuser 22 may include a series of openings 54 to assist in the spread of material.
  • the baffle 44 is provided adjacent the metering cup 38, nozzle 34 and reservoir 30.
  • the baffle 44 is defined as an internal ring 62 that projects from a baffle plate 64 into the cup 38.
  • the ring 62 is spaced from the bottom 38b of the cup 38 and has an outer diameter which is less than the inner diameter of the cup 38.
  • the nozzle 34 directs the granular material 46 through the inside of the ring 62 into the cup 38. As the material fills the cup 38 (upon the dispenser being placed in the positioned shown in Fig. 3), the granular material 46 contacts the ring 62 and is stabilized within the cup 38.
  • the baffle plate 64 extends radially outwardly from the metering cup 38 and is contacted by the sidewall structure of the metering cup 38 such that material within the metering cup is directed either through internal ring 62 or through flow openings 74 in the baffle plate 64.
  • the outer circumferential edge of the baffle plate 64 preferably contacts the inner surface of the flared end portion 14 of the container 12. (This contact is not shown in Fig. 3).
  • the baffle plate 64 preferably does not contact the inner wall of the container so that material that escapes between the metering cup's 38 sidewall structure and the baffle plate 64 can flow into the channel.
  • the baffle 44 is constructed from a rigid material such as metal or plastic but may be flexible.
  • the baffle 44 is shown in perspective view with the baffle ring portion 62 positioned below a baffle plate 64 and suspended within a baffle opening 66 by ribs 68.
  • the baffle opening 66 includes the open area in the center of the ring 62, with the flow openings 74 positioned around the ring between the ribs 68.
  • a series of slots 70 are formed in the baffle plate 64 for engagement with the reservoir ribs 42 (see Fig. 2).
  • An opening 58 (Fig.
  • Fig. 5 shows a top plan view of the baffle plate 64 with the baffle opening 66 in the center thereof.
  • the opening 66 has a larger diameter than the diameter of the baffle ring 62.
  • the baffle ring 62 outside dimension is positioned radially inward of the inside dimension of the flow openings 74.
  • the flow openings 74 are also positioned inward of the inside diameter of the metering cup 38 and provide access from the cup to the open area 58. (See Figs. 3 and 6.)
  • the dispenser is in its first or loading orientation whereby granular material 46 is fed down the angled surface 36 and through the nozzle 34, filling the metering cup 38 within its base and sidewall structure (material has been removed from within surface 36 and reservoir 30 for clarity).
  • the dispenser is inverted to the discharge position (shown in Fig. 3)
  • some granular material falls from metering cup 38 back into reservoir 30 via nozzle 34.
  • the remaining material 46 falls through the inside of the baffle ring 62 and the flow openings 74 into the open area 58, for passage along the outside surface of cap 32 and into the passageway 52 (and eventually through the collector opening 26 to the diffuser 22).
  • the quantity of material 46 within the internal reservoir 30 actually rests against the angled surface 36 of the reservoir cap 32. Additional granular material 46 flows through the nozzle 34 and comes to rest within the metering cup 38.
  • the granular material 46 forms an angle of repose 46 r .
  • the angle of repose 46 r is the angle between the surface of the pile (i.e., the repose surface 47) and a horizontal ground plane, Gp.
  • the repose surface 47 extends from the edge of the nozzle 34 to the wall of the metering cup 38.
  • the baffle ring 62 is in contact with the granular material 46 adjacent to the repose surface.
  • the baffle ring 62 may project inwardly into the material 46, such that the angle of repose 46r' outwardly of the baffle may be slightly different from the angle 46r of the portion of the material positioned inwardly of the baffle ring 62.
  • the baffle 44 serves to stabilize granular material within the metering cup 38. If the baffle ring 62 is removed, it is possible for the material 46 to shift laterally when the dispenser 10 is vibrated, jarred sideways or otherwise agitated. Thus, without the baffle 44, the vibration/movement of the dispenser 10 can dramatically change the angle of repose. Because the baffle ring 62 is positioned inwardly of the wall of the metering cup 38, but radially outwardly and axially below the nozzle, the baffle 44 serves to fix the position of the material within the cup. Therefore, the baffle ring 62 maintains a more constant angle of repose, even if the container 10 is jostled.
  • the volume of material in the metering cup 38 is dependant upon the relationship between the position of the nozzle 34 and the bottom surface 38b of the metering cup 38, as well as the internal diameter of the cup. Thus, for a larger spacing between the nozzle 34 and the bottom surface 38b of the metering cup 38, a larger charge of granular material will be provided. (In addition, the type of material will vary the angle of repose 46r, 46r' within the metering cup 38.)
  • FIG. 7 shows an adjustable metering cup 38' for use with the present invention.
  • an adjustment means 80 varies the relative axial position of the nozzle 34 and the base 38b' of the metering cup 38'.
  • the metering cup 38' includes threads 82 disposed along the exterior of the metering cup 38' and the lid 18' forms a threaded aperture for engaging the cup threads 82.
  • the threads 82 are substantially orthogonal to the material fill direction, e.g., the longitudinal axis of the nozzle 34, such that the metering cup 38' may translate axially toward or away from the nozzle 34.
  • the axial spacing from the nozzle 34 to the base 38b' of the metering cup 38' is changed to vary the volume.
  • the threads 82 are relatively coarse such that one full rotation (i.e., 360 degree) of the metering cup 38' effects a meaningful change in the control volume.
  • the volume of material 46 in the cup 38' fills to a position of contact with the baffle 62 to define a stabilizing angle of repose (as discussed above). This stabilizing affect is created by the relative position between the baffle ring and the cup.
  • the dispenser is capable of accurately delivering a controlled volume or quantity of granular material.
  • the dispenser employs a simple, inexpensive mechanism for quickly and accurately measuring a quantity of granular material to be dispensed.
  • the baffle within the metering cup stabilizes the material accumulation so that vibrations or movement of the dispenser do not materially alter the measured volume.
  • the baffle is preferably positioned within the metering cup and is spaced radially inward thereof.
  • the baffle preferably contacts the material in the cup, adjacent the upper surface of the material. Again, the contact between the baffle and the charge of material limits the effect of vibration or movement on the charge and thus serves to stabilize the measured quantity.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Nozzles (AREA)
  • Closures For Containers (AREA)

Abstract

L'invention concerne un distributeur permettant de délivrer une quantité contrôlée de matériau granulaire. Le distributeur comprend un réservoir qui retient le matériau granulaire. Le réservoir est soutenu dans le distributeur grâce à un passage défini entre des extrémités opposées. Un embout permet la sortie du matériau du réservoir vers un gobelet de dosage. Un déflecteur est situé à l'intérieur du gobelet de dosage pour stabiliser le volume contrôlé dirigé dans le gobelet à partir du réservoir. Une fois que le gobelet de dosage est rempli, le distributeur est retourné et le volume de matériau est dirigé à partir du gobelet, à travers le passage et sort par une ouverture adjacente à un diffuseur.
PCT/US2007/013650 2006-06-08 2007-06-07 Distributeur de matériau dosé Ceased WO2007146206A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US81198706P 2006-06-08 2006-06-08
US60/811,987 2006-06-08

Publications (2)

Publication Number Publication Date
WO2007146206A2 true WO2007146206A2 (fr) 2007-12-21
WO2007146206A3 WO2007146206A3 (fr) 2008-02-21

Family

ID=38727139

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/013650 Ceased WO2007146206A2 (fr) 2006-06-08 2007-06-07 Distributeur de matériau dosé

Country Status (1)

Country Link
WO (1) WO2007146206A2 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1618688A (en) * 1924-09-19 1927-02-22 Tempest Charles Canister or container for tea, coffee, and the like
US1763449A (en) * 1928-08-02 1930-06-10 Henry T Trautvetter Dispensing container
US6269983B1 (en) * 1999-05-26 2001-08-07 Sonoco Development, Inc. Metered material dispenser
US7143909B2 (en) * 2004-05-21 2006-12-05 Sonoco Development, Inc. Reconfigurable metered material dispenser

Also Published As

Publication number Publication date
WO2007146206A3 (fr) 2008-02-21

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