GB2289671A - A metered dose dispenser - Google Patents
A metered dose dispenser Download PDFInfo
- Publication number
- GB2289671A GB2289671A GB9410502A GB9410502A GB2289671A GB 2289671 A GB2289671 A GB 2289671A GB 9410502 A GB9410502 A GB 9410502A GB 9410502 A GB9410502 A GB 9410502A GB 2289671 A GB2289671 A GB 2289671A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dispenser
- opening
- dividing means
- dividing
- storage means
- 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.)
- Withdrawn
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
- G01F11/12—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 of the valve type, i.e. the separating being effected by fluid-tight or powder-tight movements
- G01F11/20—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 of the valve type, i.e. the separating being effected by fluid-tight or powder-tight movements wherein the measuring chamber rotates or oscillates
- G01F11/24—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 of the valve type, i.e. the separating being effected by fluid-tight or powder-tight movements wherein the measuring chamber rotates or oscillates for fluent solid material
Abstract
A dispenser (10) for dispensing measured quantities of a powdered, granulated or particulate material (not shown) comprises an opening (11) through which the material is dispensed, storage means (12) for storing the material, dividing means (13) intermediate the opening (11) and the storage means (12), said dividing means (13) being movable and having a number of isolated segments (14), plate means (15) between the storage means (12) and the dividing (13) which plate means (15) acts to isolate at least one segment (14A) from the storage means (12) thereby preventing direct communication between the opening (11) and the storage means (12), activation means (16) is provided to move the dividing means (13) relative to opening (11) wherein the dividing means (13) sealably engaged the components of the dispenser so that the material is contained within a substantially sealed environment. The material is sealed in a collapsible bag in the storage means 12. The actuation means 16 comprises a ratchet and pawl arrangement. <IMAGE>
Description
DISPENSER
This invention relates to dispensers for dispensing measured quantities of a powdered* granulated, or particulate material, particularly wherein the environment within the dispenser is sealed from the surrounding environment.
At present in establishments where environmentally sensitive commodities, such as fresh ground coffee* are dispensed regularly the operation of dispensing the commodity is manually carried out. Consequently the amount of commodity dispensed varies depending upon the skill and judgement of the assistant, or indeed size of available spoon or scoop and thus the amount dispensed can vary significantly between operations.
Such establishments are usually catering operations, cafes, restaurants, diners and the like, where the customer is charged a fee for the commodity, wherein the commodity may be put into a filter or a cafetiere to provide, with hot water, an individual serving of coffee. Thus it is necessary to ensure that a constant amount of commodity is dispensed each time to avoid waste on the part of the establishment and/or a short measure resulting in an inferior end product. The use may alternatively be domestic where again a regulated amount of commodity is required each time. In practice, the commodity is supplied, as in the case of fresh ground coffee, sealed, usually by vacuum packing, in a suitable air-tight package. Once the package has been opened the contents, unless transferred to a readily sealed container, will quite quickly lose its own flavour and take in other flavours around it.With constant use, as in busy catering establishments it is generally not possible to keep the commodity continually, or nearly continually within an air-tight container. Furthermore, because the commodity is readily available, it is both easily spilled and thereby wasted, and/or open to tampering or pilfering. In a domestic situation it is often difficult to keep such a commodity fresh for long, and in both instances it is not economical to purchase small quantities of the commodity regularly.
In order to overcome these problems, there is a need for means to dispense a fixed amount of a particular commodity whilst storing the remainder in a sealed container and being able to readily dispense the aforesaid commodity.
A number of devices have been prepared both for domestic and commercial use.
However, these devices have operated on the principle that the commodity can be left open to the effects of the surrounding environment. The present invention is concerned with providing a dispenser in which all the above problems are overcome to a significant degree.
According to a first aspect of the present invention, a dispenser for dispensing measured quantities of a powdered, granulated or particulate material comprises an opening through which the material is dispensed, storage means for storing the material, dividing means intermediate the opening and the storage means, said dividing means being movable and having a number of isolated segments so that only one of the segments is in communication with opening, plate means between the storage means and the dividing means, which plate means acts to isolate at least one segment from the storage means thereby preventing direct communication between the opening and the storage means, and activation means to move the dividing means relative to the opening, wherein the dividing means sealably engages the components of the dispenser so that the material is contained within a substantially sealed environment. the plate means may be any suitable sheet material, but is preferably a steel plate.
A dispenser made in accordance with the present invention enables consistently a measured and accurate volume of material to be dispensed and due to the maintenance of a closed environment within the dispenser the material retains its freshness untainted by the surrounding atmosphere.
The dispenser may be used to dispense any suitable material, but is particularly suited for dispensing commodities such as coffee, and more particularly fresh ground coffee, where the flavour is so easily lost to the surrounding atmosphere, and/or the flavour of a resulting beverage is adversely affected by the commodity picking up flavours from the surrounding atmosphere.
The opening may be provided with a nozzle or spout which may be integral therewith or detachably mounted, so as to direct the flow of the material.
The nozzle or spout may be formed integrally with a casing which may be printed to cover the actuation means.
The dispenser may be provided with a counter to record the number of times the dispenser is activated, and therefore the amount of material dispensed. The counter may be a simple mechanical device or may be connected electronically to a computerised stock control system or the like.
The storage means may be a tubular member sealably located at one end into a base member carrying -the remaining components of the dispenser and is provided with suitable sealable closure means at its other end so that the material is not open to the atmosphere. The sealing means may move down the tubular member as the material is dispensed.
The tubular member may be of any suitable cross-section such as round, square or rectangular, and may be transparent or partially transparent so that levels of material can be readily checked. The material may be sealed in an envelope housed in the storage means, which envelope collapses as the commodity is dispensed. In one embodiment the material is supplied in a vacuum packed envelope, and opening means may be provided in the dispenser to open the envelope.
The dividing means is preferably rotatable within the base member, and is provided with a number of separators extending therefrom to define a number of isolated segments, said dividing means being located at the base of the storage means adjacent to the opening and which means is movable in such a way that only one of the segments is in communication with the opening.
The rotatable dividing means may comprise a central boss, mounted on a spindle defining the axis about which the means rotates, and a number of even spaced and readily extending fingers providing the separators, adjacent fingers act to define the space to be occupied by each segment and to be filled by the material.
The nozzle ends of fingers may have a near interference fit with the inner wall of the base member or alternatively may be provided with resilient seals or scrapers. Similarly the edges of the fingers which abut the plate may also have an interference fit with the plate or again may be provided with resilient seals or scrapers.
The axis of the dividing means may be horizontal or vertically mounted or may be at any angle therebetween.
The radial fingers may sealably abut the plate member but preferably extend along the plate member and are provided with slots to sealably engage the plate member therein, in order to regulate and disturb the material filling the segments. Thus the material does not significantly compact and therefore increase in density due to excess standing.
Preferably the dividing means is operated by an activation means having a fixed degree of travel for each dispensation and which is preferably provided with a return before the next segment of material is dispensed. The activation means may comprise a handle which activates a ratchet and pawl mechanism connected to the rotating dividing means by a spindle.
According to a second aspect of the present invention a dispenser for dispensing measured quantities of a powdered, granulated or particulate materials comprises an opening through which the material is dispensed, storage means for storing the material, dividing means intermediate the opening, and the storage means said dividing means being movable and having a number of isolated segments so that only one of the segments is in communication with the opening, activation means to move the dividing means relative to the opening, wherein the dividing means sealably engages the components of the dispenser so that the material is contained within a substantially sealed environment.
In this aspect the dividing means is mounted about a horizontal axis and the actuation means may be provided by a hand wheel or knob mounted outside the dispenser and connected to the dividing means by a spindle. A pawl may be provided to limit each action of the actuation means and an audible click may be further provided to indicate to the operator that a single action has been completed. Alternatively, the means to limit the rotation of the dividing means to a single action may be provided by an abutment mounted at the circumference of the dividing means adapted to resiliently restrain successive fingers of the dividing means between actions. A further method of limiting rotation may be provided by abutments on the inner wall of the base portion adapted to resist the pressure of a respective finger.
As will be appreciate by those skilled in the art, the dispenser actually dispenses a fixed volume of material rather than a fixed weight of material, however most commodities in this instance, are of substantially constant density. Thus the use of a dispenser in accordance with the invention will actually lead to the dispensing of a substantially consistent weight of a given material for each dispensing action.
The various components of the tubular member, its sealable closure, the base member and dividing means may be made of any suitable material such as food grade polyurethane. Seals, where provided, may be any suitable resilient material such as rubber.
The dividing means may be removable and replaceable to allow a standard dispenser to be adopted for use in the dispensation of different quantities of material.
The dispenser may be mounted on a wall or other suitable upright surface, or may be provided with a stand to enable it to be free standing on a surface.
Alternatively, the dispenser may be installed in, or integral with, a cabinet.
The invention will now be described, by way of example, with reference to the accompanying drawings in which:
Figure 1 is a part sectional side elevation of a dispenser in
accordance with one aspect of the present invention;
Figure 2 is a section on the lines II-II of Figure 1;
Figure 3 is a section on the lines III-III of Figure 1;
Figure 4 is a side elevation of a dispenser in accordance with another
aspect of the present invention;
Figure 5 is a section on the line V-V of Figure 4; and
Figure 6 is a section on the line VI-VI of Figure 5.
Referring to Figures 1-3 a dispenser 10 for dispensing measured quantities of a powdered, granulated or particulate material (not shown) comprises an opening 11 through which the material is dispensed, storage means 12 for storing the material, dividing means 13 intermediate the opening 11 and the storage means 12 for storing the material, dividing means 13 intermediate the opening 11 and the storage means 12, said dividing means 13 being movable and having a number of isolated segments 14, plate means 15 between the storage means 12 and the dividing means 13, which plate means 15 acts to isolate at least one segment 14A from the storage means 12 thereby preventing direct communication between the opening 11 and the storage means 12, activation means 16 is provided to move the dividing means 13 relative to the opening 11, wherein the dividing means 13 sealably engages the components of the dispenser so that the material is contained within a substantially sealed environment.
The opening is provided with a nozzle 17 integral with a casing 18 provided for the actuation means 16, in which casing a counter 19 is located.
The storage means 12 is a tubular member sealably located at one end into a base member 20 carrying the remaining components of the dispenser and provided with a sealable closure 20A at its other end.
The dividing means 13 rotates within the base member 20 and is provided with a number of separations, or fingers, 21 extending from the central boss 22, and thereby defining the segments 14, the boss 22 being mounted on a vertical spindle 23. In this embodiment the fingers 21 have an interference fit with the inner wall 24 of the base member 20.
Slots 25 are provided in the fingers 21 sealably engaging the plate member 15 therein.
Activation means 16 is provided by a handle 26, projecting through an opening 27 in the base member 20, and which activates a ratchet and pawl mechanism 28 connected to the spindle 23. The width of the opening 27 provides the necessary limit on the travel T of the activation means 16 needed for each operation.
Referring to the embodiment of Figures 4 to 6, a dispenser 30 comprises an opening 31, storage means 32, dividing means 33 intermediate the opening 31 and the storage means 32, said dividing means 33 being movable and having a number of isolated segments 34, activation means 36 is provided to move the dividing means 33 relative to the opening 31, Wherein the dividing means 33 sealably engages the components of the dispenser.
The storage means 32 in this embodiment, is a tubular member of rectangular cross-section, integral at one end with a base portion 40 and provided with a sealable closure 40A at the other end.
The dividing means 33 rotates within the base portion 40 and is provided with a number of separators, or fingers, 41 extending from a central boss 42, and thereby defining segments 34, the boss 42 being mounted on a horizontal spindle 43. The fingers 41 have an interference fit with the inner wall 44 of the base portion 40. The opening is provided with a nozzle 37 integral with the base portion.
Activation means is provided by means of a hand wheel 46 connected to the spindle 43 and means to limit the rotation of the dividing means 33 is provided by an abutment 48 resilient mounted on the circumference of the dividing means and adapted to resiliently restrain fingers 41 between actions.
In both embodiments each dispenser is provided with bracket means 50 for mounting the dispenser on a suitable surface (not shown).
Claims (27)
1. A dispenser for dispensing measured quantities of a powdered,
granulated or particulate material comprising an opening
through which the material is dispensed, storage means for
storing the material, dividing means intermediate the opening
and the storage means, said dividing means being movable and
having a number of isolated segments so that only one of the
segments is in communication with the opening, plate means
between the storage means and the dividing means, which plate
means acts to isolate at least one segment from the storage
means thereby preventing direct communication between the
opening and storage means, and activation means to move the
dividing means relative to the opening, wherein the dividing
means sealably engages the components of the dispenser so that
the material is contained within a suitably sealed environment.
2. A dispenser as claimed in Claim 1 wherein the opening is
provided with a nozzle or spout.
3. A dispenser as claimed in Claim 2 wherein the nozzle is
integral with the opening.
4. A dispenser as claimed in Claim 2 wherein the nozzle is
detachably mounted on the opening.
5. A dispenser as claimed in any preceding claim wherein a
counter is provided to record the number of times the
dispenser is activated.
6. A dispenser as claimed in Claim 5 wherein the counter is
mechanical.
7. A dispenser as claimed in Claim 5 wherein the counter is
electronic.
8. A dispenser as claimed in any preceding claim wherein the
storage means is a tubular member sealably located at one end
into a base member carrying the remaining components of the
dispenser and having suitable sealable closure means at its
other end so that the material is not open to the atmosphere.
9. A dispenser as claimed in Claim 8 wherein the sealing means
moves down the tubular member as the material is dispensed.
10. A dispenser as claimed in any preceding claim wherein the
material is sealed in an envelope housed in the storage means,
which envelope collapses as the material is dispensed.
11. A dispenser as claimed in any one of Claims 8 to 10 wherein
the dividing means is rotatable within the base member, and is
provided with a number of separators extending therefrom to
define a number of isolated segments, said dividing means
being located at the base of the storage means adjacent to the
opening and which means is movable in such a way that only one
of the segments is in communication with the opening.
12. A dispenser as claimed in Claim 11 wherein the rotatable
dividing means comprises a central boss, mounted on a spindle
defining the axis about which the means rotates, and a number
of even spaced and readily extending fingers providing the
separators, adjacent finger acting to define the space to be
occupied by each segment and to be filled by the material.
13. A dispenser as claimed in Claim 12 wherein the fingers have a
near interference fit with the inner wall of the fast member.
14. A dispenser as claimed in Claim 12 wherein the fingers are
provided with resilient seals or scrapers.
15. A dispenser as claimed in any one of Claims 11 to 14 wherein
the axis of the dividing means is horizontal.
16. A dispenser as claimed in any one of Claims 11 to 14 wherein
the axis of the dividing means is vertical.
17. A dispenser as claimed in Claim 12 wherein the radial fingers
sealably abut the plate member.
18. A dispenser as claimed in Claim 12 wherein the radial fingers
extend along the plate and are provided with slots to sealably
engage the plate member therein.
19. A dispenser as claim in any preceding claim wherein the
dividing means is operated by activation means having a fixed
degree of travel for each dispensation.
20. A dispenser as claimed in Claim 19 wherein the activation
means comprises a handle which activates a ratchet and pawl
mechanism connected to the ratating dividing means by a
spindle.
21. A dispenser for dispensing measured quantities of a powdered,
granulated or particulate material comprising an opening
through which the material is dispensed, storage means for
storing the material, dividing means intermediate the opening
and the storage means, said dividing means being movable and
having a number of isolated segments so that only one of the
segments is in communication with the opening and activation
means to move the dividing means relative to the opening,
wherein the dividing means sealably engaged the components of
the dispenser so that the material is contained within a
substantially sealed environment.
22. A dispenser as claimed in Claim 21 wherein the dividing means
is mounted about a horizontal axis and the actuation means is
provided by a hand wheel mounted outside the dispenser and
connected to the dividing means by a spindle.
23. A dispenser as claimed in Claim 22 wherein a pawl is provided
to limit each action of the actuation means.
24. A dispenser as claimed in Claim 23 wherein an audible click is
provided to indicate to the operator that a single action has
been completed.
25. A dispenser as claimed in Claim 22 wherein the means to limit
the rotation of the dividing means is provided by an abutment
mounted at the circumference of the dividing means and adapted
to resiliently restrain successive fingers of the dividing
means between actions.
26. A dispenser as claimed in Claim 22 wherein rotation is limited
by abutment of the inner wall of the base portion adapted to
resist the pressure of a respective finger.
27. A dispenser for dispensing measured quantities of a powdered,
granulated or particulate material as hereinbefore described
with reference to the accompanying drawings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9410502A GB2289671A (en) | 1994-05-25 | 1994-05-25 | A metered dose dispenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9410502A GB2289671A (en) | 1994-05-25 | 1994-05-25 | A metered dose dispenser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB9410502D0 GB9410502D0 (en) | 1994-07-13 |
| GB2289671A true GB2289671A (en) | 1995-11-29 |
Family
ID=10755716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9410502A Withdrawn GB2289671A (en) | 1994-05-25 | 1994-05-25 | A metered dose dispenser |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2289671A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2755431A1 (en) * | 1996-11-04 | 1998-05-07 | Mediterraneenne Cafes | Dosing dispenser for granular or powdered product, e.g. ground coffee, sugar or cocoa powder |
| EP1591051A1 (en) * | 2004-04-28 | 2005-11-02 | Eastern Sources Housewares (Hong Kong) Limited | Device for discharging substance |
| DE202007019026U1 (en) | 2007-01-09 | 2010-03-11 | Bach, Horst | Storage container with integrated portioning device |
| WO2015148628A1 (en) * | 2014-03-26 | 2015-10-01 | Server Products, Inc. | Dry product dispenser with replaceable portion control containers and ratcheting handle |
| US9903746B2 (en) | 2016-02-22 | 2018-02-27 | Server Products, Inc. | Dry product dispenser with internal agitator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB104243A (en) * | 1916-03-22 | 1917-03-01 | Eugenio Repetto | A Combined Receptacle and Device for the Automatic Distribution of Sugar and the like. |
| GB434692A (en) * | 1935-03-18 | 1935-09-06 | Wilson William | Improvements in or relating to apparatus for delivering measured quantities of tea and the like |
| GB1228891A (en) * | 1968-03-25 | 1971-04-21 | ||
| GB2087704A (en) * | 1980-06-14 | 1982-06-03 | Claydon Jeffrey Thomas | Crop metering device |
| US4511067A (en) * | 1983-08-30 | 1985-04-16 | Martin Ernest N | Particulate material dispensing device |
| EP0193623A1 (en) * | 1985-03-02 | 1986-09-10 | Perimeccanica Srl | Bench sugar dosimeter |
| GB2178397A (en) * | 1985-08-02 | 1987-02-11 | Meliconi Srl | Volume-batching implement for powder products, grains or beans such as flour, rice or coffee |
-
1994
- 1994-05-25 GB GB9410502A patent/GB2289671A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB104243A (en) * | 1916-03-22 | 1917-03-01 | Eugenio Repetto | A Combined Receptacle and Device for the Automatic Distribution of Sugar and the like. |
| GB434692A (en) * | 1935-03-18 | 1935-09-06 | Wilson William | Improvements in or relating to apparatus for delivering measured quantities of tea and the like |
| GB1228891A (en) * | 1968-03-25 | 1971-04-21 | ||
| GB2087704A (en) * | 1980-06-14 | 1982-06-03 | Claydon Jeffrey Thomas | Crop metering device |
| US4511067A (en) * | 1983-08-30 | 1985-04-16 | Martin Ernest N | Particulate material dispensing device |
| EP0193623A1 (en) * | 1985-03-02 | 1986-09-10 | Perimeccanica Srl | Bench sugar dosimeter |
| GB2178397A (en) * | 1985-08-02 | 1987-02-11 | Meliconi Srl | Volume-batching implement for powder products, grains or beans such as flour, rice or coffee |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2755431A1 (en) * | 1996-11-04 | 1998-05-07 | Mediterraneenne Cafes | Dosing dispenser for granular or powdered product, e.g. ground coffee, sugar or cocoa powder |
| EP1591051A1 (en) * | 2004-04-28 | 2005-11-02 | Eastern Sources Housewares (Hong Kong) Limited | Device for discharging substance |
| DE202007019026U1 (en) | 2007-01-09 | 2010-03-11 | Bach, Horst | Storage container with integrated portioning device |
| WO2015148628A1 (en) * | 2014-03-26 | 2015-10-01 | Server Products, Inc. | Dry product dispenser with replaceable portion control containers and ratcheting handle |
| US9400200B2 (en) | 2014-03-26 | 2016-07-26 | Server Products, Inc. | Dry product dispenser with replaceable portion control containers and ratcheting handle |
| US9903746B2 (en) | 2016-02-22 | 2018-02-27 | Server Products, Inc. | Dry product dispenser with internal agitator |
Also Published As
| Publication number | Publication date |
|---|---|
| GB9410502D0 (en) | 1994-07-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |