CA2662528C - Dispensing closure with obstructed, offset, non-linear flow profile - Google Patents
Dispensing closure with obstructed, offset, non-linear flow profile Download PDFInfo
- Publication number
- CA2662528C CA2662528C CA2662528A CA2662528A CA2662528C CA 2662528 C CA2662528 C CA 2662528C CA 2662528 A CA2662528 A CA 2662528A CA 2662528 A CA2662528 A CA 2662528A CA 2662528 C CA2662528 C CA 2662528C
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- CA
- Canada
- Prior art keywords
- upper deck
- closure
- flow conduit
- entrance
- dispensing closure
- 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.)
- Expired - Fee Related
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Classifications
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- 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
- B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
- B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
- B65D47/0804—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage
- B65D47/0828—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage and elastically biased towards the open position only
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- 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
- B65D47/043—Closures with discharging devices other than pumps with pouring baffles, e.g. for controlling the flow
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- 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
- B65D2547/00—Closures with filling and discharging, or with discharging, devices
- B65D2547/04—Closures with discharging devices other than pumps
- B65D2547/06—Closures with discharging devices other than pumps with pouring spouts ot tubes; with discharge nozzles or passages
- B65D2547/063—Details of spouts
Abstract
A dispensing closure (10) has a flow conduit (50) that provides a sufficient flow restriction to prevent unwanted spurting of the product when the container is initially opened. The dispensing closure (10) includes a closure body (20) with an upper deck (30) and the flow conduit (50) extending through the upper deck (30). The flow conduit (50) includes an entry orifice (50A) having an entrance axis and an exit orifice (50B) having an exit axis. The entrance axis is offset from the exit axis to provide a non-linear flow path from an interior of the closure (10) to the exterior of the closure (10).
Description
DISPENSING CLOSURE WITH OBSTRUCTED, OFFSET, NON-LINEAR FLOW
PROFILE
BACKGROUND OF THE INVENTION
PROFILE
BACKGROUND OF THE INVENTION
[02] The present invention relates to container closures, and more particularly to squeeze-type container dispensing closures.
[03] There are two major trends occurring in the design of dispensing containers and closures. The first trend is a focus on providing a "clean pour"
during dispensing of the product. Many food products, such as mustard and ketchup, have a high viscosity and require the user to tip the container, shake down the product and then squeeze the container to dispense the product. Past dispensing closures tended to leak product onto the top deck of the closure after dispensing, creating a messy appearance and often requiring cleaning to reseal the closure. The current emphasis in "clean pour" design is on preventing spurting of the product when the container is inverted to the dispensing position and/or shaken down, and creating a "suck-back" effect as pressure is released from the container to draw the product back into the closure.
during dispensing of the product. Many food products, such as mustard and ketchup, have a high viscosity and require the user to tip the container, shake down the product and then squeeze the container to dispense the product. Past dispensing closures tended to leak product onto the top deck of the closure after dispensing, creating a messy appearance and often requiring cleaning to reseal the closure. The current emphasis in "clean pour" design is on preventing spurting of the product when the container is inverted to the dispensing position and/or shaken down, and creating a "suck-back" effect as pressure is released from the container to draw the product back into the closure.
[04] A second trend is a growing number of dispensing containers and closures being designed so that they can be stored in an inverted position, i.e.
cap down. In this regard, the product is always located right at the dispensing closure for easy dispensing right from storage. This reduces the need to tip and shake the container to push the product down to the dispensing closure. There is a balance however, between having the product at the closure for dispensing and the need to prevent the product from immediately spurting out once the lid of the closure is opened.
cap down. In this regard, the product is always located right at the dispensing closure for easy dispensing right from storage. This reduces the need to tip and shake the container to push the product down to the dispensing closure. There is a balance however, between having the product at the closure for dispensing and the need to prevent the product from immediately spurting out once the lid of the closure is opened.
[05] Both of these trends have resulted in the design of dispensing closures having various types of valve structures that facilitate both a clean pour and inverted storage. For example, a silicone valve structure is illustrated and described in US Patent No. 5,271,531. While these silicone valves have been widely accepted by both the manufacturers and the consumers, they are somewhat more difficult to manufacture, as they require several inter-fitting parts, and thus they tend to be more expensive than traditional one-piece dispensing closures.
[06] Another perceived drawback to the silicone valve closure is that they are constructed out of two different types of plastic and thus, from a recycling standpoint, they are more difficult to recycle because the silicone valve must be separated from the plastic closure body for recycling. While this is not a major issue in the United States, at least yet, it is currently a major issue in Europe where recycling is extremely important and even mandated in some countries.
[07] Other designs of dispensing closures focus on the use of interior partitions to slow the flow of the product exiting the dispensing orifice. For example, US Patent No. 5,123,575 discloses a design of a dispensing closure having multiple chambers. This patent discloses a container for motor oil with three interior chambers, namely a primary chamber between the first partition and the bottom wall, a secondary partition between the first and second partitions and a tertiary chamber between the top wall and the second partition.
While the concept of the design may provide the desired flow characteristics, the design is virtually impossible to mold using conventional injection molding or blow molding techniques and thus is not commercially feasible.
While the concept of the design may provide the desired flow characteristics, the design is virtually impossible to mold using conventional injection molding or blow molding techniques and thus is not commercially feasible.
[08] U.S. Patent No. 5,819,994 also discloses a dispensing closure using multiple chambers. This patent discloses a flow controlling cap for a fluid (water) container that controls fluid flow by means of gravity and pressure, and has a first chamber formed by a first hollow cylinder and a second chamber formed by a second hollow cylinder having a greater diameter than the first hollow cylinder. While the circuitous path of this design is effective for water, the flow characteristics of water are different than other viscous fluids and thus the design is not believed to be suited for other more viscous products. In short, it would be difficult to force viscous fluids through the multi-chamber design.
[09] Accordingly, there exists a need in the industry for a one-piece dispensing closure that provides a "clean pour" and prevents premature flowing of viscous product prior to squeezing the dispensing container. In addition, there exists a need a design of a dispensing closure that is easy to mold and made of one type of recyclable plastic.
SUMMARY OF THE INVENTION
[09] Accordingly, there exists a need in the industry for a one-piece dispensing closure that provides a "clean pour" and prevents premature flowing of viscous product prior to squeezing the dispensing container. In addition, there exists a need a design of a dispensing closure that is easy to mold and made of one type of recyclable plastic.
SUMMARY OF THE INVENTION
[10] The present invention preserves the advantages of existing dispensing closures while providing new advantages not found in currently available dispensing closures and overcoming many disadvantages of such currently available dispensing closures.
[11] The general concept of the present invention is to provide a non-linear flow path from an interior of the dispensing closure to an exterior of the dispensing closure so that the product does not immediately spurt out upon opening of the closure lid and/or inverting and shaking the container to move the product toward the dispensing orifice.
[12] Generally, each of the embodiments comprises a closure body having an upper deck and a skirt depending from the upper deck where the skirt is configured and arranged to mount to a product container (not shown). The product container may be a conventional squeeze-type container or an inverted type container. Preferably, the skirt is internally threaded for threaded mounting on a product container.
[13] A flow conduit extends through the upper deck for the passage of a viscous product, such as a condiment (i.e. ketchup or mustard). The flow conduit includes an entry orifice (inside the container) having an entrance axis and an exit orifice (outside the container) having an exit axis. In each of the embodiments, the entrance axis is offset from the exit axis to provide a non-linear flow path from the interior of the closure to the exterior of the closure.
[14] In a first embodiment, the entrance orifice is a located in the side wall of the flow conduit, wherein the entrance axis is perpendicular to the exit axis.
The bottom wall of the flow conduit thus prevents the direct flow of product into the flow conduit along the exit axis.
The bottom wall of the flow conduit thus prevents the direct flow of product into the flow conduit along the exit axis.
[15] In another embodiment, the flow conduit is expanded to the side, and the entrance orifice is located in a bottom wall of the flow conduit but offset from the exit orifice. The entrance axis is parallel to but not co-linear with (i.e.
offset) the exit orifice. Again, the bottom wall of the flow conduit thus prevents the direct flow of product into the flow conduit along the exit axis.
offset) the exit orifice. Again, the bottom wall of the flow conduit thus prevents the direct flow of product into the flow conduit along the exit axis.
[16] In yet another embodiment, the flow conduit includes a suspended central disc, which forms a bottom wall. The central disc is suspended within the flow conduit by four downwardly depending arms, each distal end of the depending arms being attached to the central disc and each proximal end of the depending arms being attached to the interior wall of the flow conduit. This is essentially a modification of the first "side entry" embodiment, but now with four entrance orifices having entrance axes that are perpendicular to the exit axis.
In still another embodiment, there is provided a one-piece dispensing closure comprising: a closure body; a closure lid; a living hinge structure hingeably connecting said closure lid to said closure body, said closure body including an upper deck; an outer skirt depending below the upper deck, said outer skirt being configured and arranged to mount to a product container; a flow conduit extending through said upper deck, said flow conduit including more than one entrance orifice having an entrance axis and a single exit orifice having an exit axis, said entrance axis being perpendicular to said exit axis, said flow conduit having a horizontal bottom wall suspended beneath said upper deck by a plurality of vertical arms depending downwardly from said upper deck, said bottom wall having an area the same as a cross-sectional area of the flow conduit taken along a plane parallel to the entrance axis, wherein said bottom wall baffles direct flow from an interior of said product container through said exit orifice; and an inner skirt depending below the upper deck, said inner skirt being spaced radially inwardly from said outer skirt away from a sidewall of said product container, said inner skirt encircling said flow conduit.
In a further embodiment, there is provided a one-piece dispensing closure comprising: a closure body; a closure lid; a living hinge structure hingeably connecting said closure lid to said closure body, said closure body including an upper deck; an outer skirt depending below the upper deck, said outer skirt being configured and arranged to mount to a product container; a flow conduit extending 8a through said upper deck, said flow conduit including a portion extending above and below said upper deck, said flow conduit including at least one entrance orifice having an entrance axis and a single exit orifice having an exit axis, said entrance axis being perpendicular to said exit axis, said flow conduit having a horizontal bottom wall suspended beneath said upper deck by a plurality of vertical arms depending downwardly from said upper deck, said bottom wall having an area the same as a cross-sectional area of the flow conduit taken along a plane parallel to the entrance axis, wherein said bottom wall baffles direct flow from an interior of said product container through said exit orifice; and an inner skirt depending below the upper deck, said inner skirt being spaced radially inwardly from said outer skirt away from a sidewall of said product container, said inner skirt encircling said flow conduit and extending below said at least one entrance orifice.
In a still further embodiment, there is provided a one-piece dispensing closure comprising: a closure body; a closure lid; a living hinge structure hingeably connecting said closure lid to said closure body, said closure body including an upper deck; an outer skirt depending below the upper deck, said outer skirt being configured and arranged to mount to a product container; a flow conduit extending through said upper deck, said flow conduit including a portion extending above and below said upper deck, said flow conduit has a diameter less than the diameter of said upper deck, said flow conduit including at least one entrance orifice having an entrance axis and a single exit orifice having an exit axis, said entrance axis being perpendicular to said exit axis, said flow conduit having a horizontal bottom wall suspended beneath said upper deck by a plurality of vertical arms depending downwardly from said upper deck, said bottom wall having an area the same as a cross-sectional area of the flow conduit taken along a plane parallel to the entrance axis, wherein said bottom wall baffles direct flow from an interior of said product container through said exit orifice; and an inner skirt depending below the upper deck, said inner skirt being spaced radially inwardly from said outer skirt away from a sidewall of said product container, said inner skirt encircling said flow conduit and extending below said at least one entrance orifice.
8b [17] It is therefore an object of some embodiments of the present invention to provide a one-piece low cost dispensing closure that does not include a valve structure.
In still another embodiment, there is provided a one-piece dispensing closure comprising: a closure body; a closure lid; a living hinge structure hingeably connecting said closure lid to said closure body, said closure body including an upper deck; an outer skirt depending below the upper deck, said outer skirt being configured and arranged to mount to a product container; a flow conduit extending through said upper deck, said flow conduit including more than one entrance orifice having an entrance axis and a single exit orifice having an exit axis, said entrance axis being perpendicular to said exit axis, said flow conduit having a horizontal bottom wall suspended beneath said upper deck by a plurality of vertical arms depending downwardly from said upper deck, said bottom wall having an area the same as a cross-sectional area of the flow conduit taken along a plane parallel to the entrance axis, wherein said bottom wall baffles direct flow from an interior of said product container through said exit orifice; and an inner skirt depending below the upper deck, said inner skirt being spaced radially inwardly from said outer skirt away from a sidewall of said product container, said inner skirt encircling said flow conduit.
In a further embodiment, there is provided a one-piece dispensing closure comprising: a closure body; a closure lid; a living hinge structure hingeably connecting said closure lid to said closure body, said closure body including an upper deck; an outer skirt depending below the upper deck, said outer skirt being configured and arranged to mount to a product container; a flow conduit extending 8a through said upper deck, said flow conduit including a portion extending above and below said upper deck, said flow conduit including at least one entrance orifice having an entrance axis and a single exit orifice having an exit axis, said entrance axis being perpendicular to said exit axis, said flow conduit having a horizontal bottom wall suspended beneath said upper deck by a plurality of vertical arms depending downwardly from said upper deck, said bottom wall having an area the same as a cross-sectional area of the flow conduit taken along a plane parallel to the entrance axis, wherein said bottom wall baffles direct flow from an interior of said product container through said exit orifice; and an inner skirt depending below the upper deck, said inner skirt being spaced radially inwardly from said outer skirt away from a sidewall of said product container, said inner skirt encircling said flow conduit and extending below said at least one entrance orifice.
In a still further embodiment, there is provided a one-piece dispensing closure comprising: a closure body; a closure lid; a living hinge structure hingeably connecting said closure lid to said closure body, said closure body including an upper deck; an outer skirt depending below the upper deck, said outer skirt being configured and arranged to mount to a product container; a flow conduit extending through said upper deck, said flow conduit including a portion extending above and below said upper deck, said flow conduit has a diameter less than the diameter of said upper deck, said flow conduit including at least one entrance orifice having an entrance axis and a single exit orifice having an exit axis, said entrance axis being perpendicular to said exit axis, said flow conduit having a horizontal bottom wall suspended beneath said upper deck by a plurality of vertical arms depending downwardly from said upper deck, said bottom wall having an area the same as a cross-sectional area of the flow conduit taken along a plane parallel to the entrance axis, wherein said bottom wall baffles direct flow from an interior of said product container through said exit orifice; and an inner skirt depending below the upper deck, said inner skirt being spaced radially inwardly from said outer skirt away from a sidewall of said product container, said inner skirt encircling said flow conduit and extending below said at least one entrance orifice.
8b [17] It is therefore an object of some embodiments of the present invention to provide a one-piece low cost dispensing closure that does not include a valve structure.
[18] It is a further object of the embodiment to provide a dispensing closure having a "clean-pour" dispensing characteristic.
[19] Another object of the embodiment is to provide a dispensing closure having a sufficient flow restriction, either within the flow path or surrounding the flow path, to counter product head pressure created by either storing the product in an inverted condition, or head pressure created when an upright container is quickly inverted to dispense product.
[20] Another object of the embodiment is to provide an obstructed flow path or a non-linear flow path from an interior of the dispensing closure to an exterior of the dispensing closure. Another object of the embodiment is to provide a flow conduit that allows product to flow freely upon squeezing while also providing a passive flow restriction.
[21] Other objects, features and advantages of the invention shall become apparent as the description thereof proceeds when considered in connection with the accompanying illustrative drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
BRIEF DESCRIPTION OF THE DRAWINGS
[22] The novel features which are characteristic of the dispensing closure are set forth in the appended claims. However, the dispensing closure, together with further embodiments and attendant advantages, will be best understood by reference to the following detailed description taken in connection with the accompanying drawing Figures.
[23] Fig. 1 is a cross-sectional view of a first embodiment of a dispensing closure constructed in accordance with the teachings of the present invention;
[24] Fig. 1 A is a diagrammatical view thereof showing the flow path;
[25] Fig. 2 is a cross-sectional view of a second embodiment of a dispensing closure constructed in accordance with the teachings of the present invention;
[26] Fig. 2A is a diagrammatical view thereof showing the flow path;
[27] Fig. 3 is a perspective view of a third embodiment of a dispensing closure constructed in accordance with the teachings of the present invention;
[28] Fig. 4 is a top view thereof;
[29] Fig. 5 is a cross-sectional view thereof as taken along line 5-5 of Fig.3;
[30] Fig. 6 is a bottom view thereof; and [31] Fig. 6A is a diagrammatical view thereof.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[32] Referring now to the drawings, the dispensing closure 10 of the instant invention is illustrated in Figs. 1-6. As will hereinafter be more fully described, the instant dispensing closure 10 includes a unique flow conduit arrangement, which includes an offset, obstructed, and non-linear flow path. The unique arrangement provides anti-spurting both in upright and inverted containers as well as "suck-back" for cleaner product dispensing, i.e. "clean pour".
[33] Generally, each of the embodiments includes a closure body 20 having an upper deck 30, and a skirt 40 depends from the upper deck 30 where the skirt 40 is configured and arranged to mount to a product container (not shown), such as a conventional squeeze-type container or an inverted-type container.
Preferably, the skirt 40 is internally threaded for threaded mounting on a product container. However, it is to be understood that other skirt mounting arrangements are also contemplated within the scope of the invention, and the invention should not be limited to the inwardly threaded skirt as the only means for mounting.
Preferably, the skirt 40 is internally threaded for threaded mounting on a product container. However, it is to be understood that other skirt mounting arrangements are also contemplated within the scope of the invention, and the invention should not be limited to the inwardly threaded skirt as the only means for mounting.
[34] Referring briefly to Figs. 3-6, this embodiment includes a closure lid and a living hinge structure 140 connecting the closure lid 130 to the closure body 20. It is to be understood that any of the embodiments may optionally include a closure lid 130, and the lack of such a lid in any of the illustrated embodiments is not to be construed as a limitation. In fact, most of the commercial embodiments will likely include a lid structure. However, for purposes of describing the preferred flow conduits, it was not deemed necessary to show the lid 130 in each embodiment.
[35] Referring back to Figs. 1 and IA, a flow conduit 50 extends through the upper deck 30 for the passage of a viscous product, such as a food condiment (i.e. ketchup or mustard). The flow conduit 50 is generally defined by an interior wall 50C, an exterior wall 50F, and a bottom wall 50G (baffle). The flow conduit 50 includes an entrance orifice 50A (inside the container) having an entrance axis X and an exit orifice 50B (outside the container) having an exit axis Y. In each of the embodiments, the entrance axis X is offset from the exit axis Y to provide a non-linear flow path (see arrows F2) from an interior 60 of the closure 10 to an exterior 100 of the closure 10.
[36] In the first embodiment as illustrated in Figs. 1 and IA, the entrance orifice 50A is located in the side-wall of the flow conduit 10, wherein the entrance axis X is perpendicular to the exit axis Y. The bottom wall 50G of the conduit thus prevents the direct flow of product (see arrows P - Fig. IA) into the flow conduit along the exit axis Y and acts as a baffle to counter product head pressure created by either storing the product in an inverted condition, or head pressure created when an upright container is quickly inverted to dispense product. Flow of the product is shown by arrow F2.
[37] The baffling effect is also enhanced by the passage of the product from the container, through the small entrance orifice 50A and into the interior of the flow conduit 50. The velocity of the product will increase as it travels through the entrance orifice 50A. However, the velocity of the product then decreases as it travels into the larger interior volume of the flow conduit 50 before it leaves through the exit orifice 50B. Spurting thus occurs into the interior of the flow conduit 50 and not directly out of the exit orifice. Accordingly, when the container is inverted, and is rapidly shaken up and down by a user to dispense the product, the product first decelerates into the larger volume interior flow conduit 50, and does not spurt out the exit orifice 50B. When pressure is applied to the squeeze container, the product is then forced out of the exit orifice 50B.
[38] It is to be noted that the dimensions of the flow conduit 50 are adjustable, depending upon the viscosity of the product stored within an interior 60 of the dispensing closure 10. For example, ketchup has a lower viscosity than mustard. If ketchup is contained within the interior 60 of the dispensing closure 10, it may be desirable for the flow conduit 50 to be smaller in size or dimension to achieve a lower flow volume for the ketchup. It is also noted, that the invention is equally applicable to viscous products other than food condiments, such as shampoos, gels, etc..
[39] Now referring to Figs. 2 and 2A, a second embodiment of the dispensing closure illustrated and generally indicated at l OA. In this second embodiment, the flow conduit 50 is expanded to the side, and the entrance orifice 50A is located in a bottom wall 50G, but offset from the exit orifice 50B. The entrance axis X is parallel to but not co-linear with the exit axis Y. Again, the bottom wall 50G of the flow conduit prevents the direct flow of product (see arrows P
-Fig. 2A) into the flow conduit 50 along the exit axis Y. Flow of the product is shown by arrow F2.
-Fig. 2A) into the flow conduit 50 along the exit axis Y. Flow of the product is shown by arrow F2.
[40] All of the operational descriptions provided herein above for the first embodiment of the dispensing closure 10 are applicable to the second embodiment of the dispensing closure 1 OA as well.
[41] Now referring to Figs. 3-6, a third embodiment of the dispensing closure is illustrated and generally indicated at IOB. As mentioned previously, the embodiment of the dispensing closure l OB has a closure lid 130 attached to the closure body 20 of the dispensing closure. A living hinge structure 140 is used to connect the closure lid 130 and the closure body 20 to control the movement of the closure lid 130.
[42] The flow conduit 50 includes a suspended central disc 110, which forms a bottom wall of the conduit. The central disc 110 is suspended within the flow conduit 50 by four downwardly depending arms (120 A-D), each distal end of the depending arms (1 20A-D) being attached to the central disc 110 and each proximal end of the depending arms (120A-D) being attached to the interior wall 50C of the flow conduit 50.
[43] In a preferred embodiment, the four depending arms (120A-D) are equally spaced around an outer edge of the central disc 110. Alternatively, more than four arms or less than four depending arms (120A-D) may be dispersed in a non-uniform manner along the outer edge of the central disc 110.
[44] The third embodiment l OB is essentially a modification of the first "side-entry" embodiment 10, but with four entrance orifices 50A having entrance axes X that are perpendicular to the exit axis Y.
[45] Based on the disclosure above, the embodiments provide a one-piece dispensing closure. Also, the embodiments provide a one-piece dispensing closure having a "clean-pour" dispensing characteristic. Furthermore, the embodiments provide a one-piece dispensing closure having a sufficient flow restriction within the flow path to counter product head pressure created by either storing the product in an inverted condition, or head pressure created when an upright container is quickly inverted to dispense product.
[46] It would be appreciated by those skilled in the art that various changes and modifications can be made to the illustrated embodiments without departing from the spirit of the embodiments. All such modifications and changes are intended to be covered by the appended claims.
Claims (17)
1. A one-piece dispensing closure comprising:
a closure body;
a closure lid;
a living hinge structure hingeably connecting said closure lid to said closure body, said closure body including an upper deck;
an outer skirt depending below the upper deck, said outer skirt being configured and arranged to mount to a product container;
a flow conduit extending through said upper deck, said flow conduit including more than one entrance orifice having an entrance axis and a single exit orifice having an exit axis, said entrance axis being perpendicular to said exit axis, said flow conduit having a horizontal bottom wall suspended beneath said upper deck by a plurality of vertical arms depending downwardly from said upper deck, said bottom wall having an area the same as a cross-sectional area of the flow conduit taken along a plane parallel to the entrance axis, wherein said bottom wall baffles direct flow from an interior of said product container through said exit orifice; and an inner skirt depending below the upper deck, said inner skirt being spaced radially inwardly from said outer skirt away from a sidewall of said product container, said inner skirt encircling said flow conduit.
a closure body;
a closure lid;
a living hinge structure hingeably connecting said closure lid to said closure body, said closure body including an upper deck;
an outer skirt depending below the upper deck, said outer skirt being configured and arranged to mount to a product container;
a flow conduit extending through said upper deck, said flow conduit including more than one entrance orifice having an entrance axis and a single exit orifice having an exit axis, said entrance axis being perpendicular to said exit axis, said flow conduit having a horizontal bottom wall suspended beneath said upper deck by a plurality of vertical arms depending downwardly from said upper deck, said bottom wall having an area the same as a cross-sectional area of the flow conduit taken along a plane parallel to the entrance axis, wherein said bottom wall baffles direct flow from an interior of said product container through said exit orifice; and an inner skirt depending below the upper deck, said inner skirt being spaced radially inwardly from said outer skirt away from a sidewall of said product container, said inner skirt encircling said flow conduit.
2. The dispensing closure of Claim 1, wherein said plurality of arms comprises at least four depending arms equally spaced around a peripheral edge of said bottom wall.
3. The dispensing closure of Claim 2, wherein said at least one entrance orifice is at least four entrance orifices.
4. The dispensing closure of Claim 1, wherein the one-piece dispensing closure is made by process of injection molding.
5. The dispensing closure of Claim 1, wherein the outer skirt is internally threaded for attachment to a neck of said product container.
6. The dispensing closure of Claim 1, wherein said upper deck is tiered near said exit orifice.
7. The dispensing closure of Claim 1, wherein said lid includes a circular wall depending from an inner surface of said lid to close said exit orifice.
8. The dispensing closure of Claim 1, wherein said entrance orifice is located within an interior of said product container.
9. The dispensing closure of Claim 1, wherein said flow conduit has a diameter less than the diameter of the upper deck.
10. The dispensing closure of Claim 1, wherein said upper deck has a surface area equal to a horizontal cross-sectional surface area of a neck of said product container.
11. The dispensing closure of Claim 1, wherein said inner skirt extends below said entrance orifice.
12. The dispensing closure of Claim 1, wherein said flow conduit includes a portion extending above and below said upper deck.
13. A one-piece dispensing closure comprising:
a closure body;
a closure lid;
a living hinge structure hingeably connecting said closure lid to said closure body, said closure body including an upper deck;
an outer skirt depending below the upper deck, said outer skirt being configured and arranged to mount to a product container;
a flow conduit extending through said upper deck, said flow conduit including a portion extending above and below said upper deck, said flow conduit including at least one entrance orifice having an entrance axis and a single exit orifice having an exit axis, said entrance axis being perpendicular to said exit axis, said flow conduit having a horizontal bottom wall suspended beneath said upper deck by a plurality of vertical arms depending downwardly from said upper deck, said bottom wall having an area the same as a cross-sectional area of the flow conduit taken along a plane parallel to the entrance axis, wherein said bottom wall baffles direct flow from an interior of said product container through said exit orifice; and an inner skirt depending below the upper deck, said inner skirt being spaced radially inwardly from said outer skirt away from a sidewall of said product container, said inner skirt encircling said flow conduit and extending below said at least one entrance orifice.
a closure body;
a closure lid;
a living hinge structure hingeably connecting said closure lid to said closure body, said closure body including an upper deck;
an outer skirt depending below the upper deck, said outer skirt being configured and arranged to mount to a product container;
a flow conduit extending through said upper deck, said flow conduit including a portion extending above and below said upper deck, said flow conduit including at least one entrance orifice having an entrance axis and a single exit orifice having an exit axis, said entrance axis being perpendicular to said exit axis, said flow conduit having a horizontal bottom wall suspended beneath said upper deck by a plurality of vertical arms depending downwardly from said upper deck, said bottom wall having an area the same as a cross-sectional area of the flow conduit taken along a plane parallel to the entrance axis, wherein said bottom wall baffles direct flow from an interior of said product container through said exit orifice; and an inner skirt depending below the upper deck, said inner skirt being spaced radially inwardly from said outer skirt away from a sidewall of said product container, said inner skirt encircling said flow conduit and extending below said at least one entrance orifice.
14. A one-piece dispensing closure comprising:
a closure body;
a closure lid;
a living hinge structure hingeably connecting said closure lid to said closure body, said closure body including an upper deck;
an outer skirt depending below the upper deck, said outer skirt being configured and arranged to mount to a product container;
a flow conduit extending through said upper deck, said flow conduit including a portion extending above and below said upper deck, said flow conduit has a diameter less than the diameter of said upper deck, said flow conduit including at least one entrance orifice having an entrance axis and a single exit orifice having an exit axis, said entrance axis being perpendicular to said exit axis, said flow conduit having a horizontal bottom wall suspended beneath said upper deck by a plurality of vertical arms depending downwardly from said upper deck, said bottom wall having an area the same as a cross-sectional area of the flow conduit taken along a plane parallel to the entrance axis, wherein said bottom wall baffles direct flow from an interior of said product container through said exit orifice; and an inner skirt depending below the upper deck, said inner skirt being spaced radially inwardly from said outer skirt away from a sidewall of said product container, said inner skirt encircling said flow conduit and extending below said at least one entrance orifice.
a closure body;
a closure lid;
a living hinge structure hingeably connecting said closure lid to said closure body, said closure body including an upper deck;
an outer skirt depending below the upper deck, said outer skirt being configured and arranged to mount to a product container;
a flow conduit extending through said upper deck, said flow conduit including a portion extending above and below said upper deck, said flow conduit has a diameter less than the diameter of said upper deck, said flow conduit including at least one entrance orifice having an entrance axis and a single exit orifice having an exit axis, said entrance axis being perpendicular to said exit axis, said flow conduit having a horizontal bottom wall suspended beneath said upper deck by a plurality of vertical arms depending downwardly from said upper deck, said bottom wall having an area the same as a cross-sectional area of the flow conduit taken along a plane parallel to the entrance axis, wherein said bottom wall baffles direct flow from an interior of said product container through said exit orifice; and an inner skirt depending below the upper deck, said inner skirt being spaced radially inwardly from said outer skirt away from a sidewall of said product container, said inner skirt encircling said flow conduit and extending below said at least one entrance orifice.
15. The dispensing closure of Claim 14, wherein said entrance orifice is located within an interior of said product container.
16. The dispensing closure of Claim 15, wherein said upper deck has a surface area equal to a horizontal cross-sectional surface area of a neck of said product container.
17. The dispensing closure of Claim 16 wherein the outer skirt is internally threaded for attachment to said neck of said product container.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US82432206P | 2006-09-01 | 2006-09-01 | |
| US60/824,322 | 2006-09-01 | ||
| US89388307P | 2007-03-08 | 2007-03-08 | |
| US60/893,883 | 2007-03-08 | ||
| US11/849,860 | 2007-09-04 | ||
| US11/849,860 US8038041B2 (en) | 2006-09-01 | 2007-09-04 | Dispensing closure with obstructed, offset, non-linear flow profile |
| PCT/US2007/077551 WO2008028189A2 (en) | 2006-09-01 | 2007-09-04 | Dispensing closure with obstructed, offset, non-linear flow profile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2662528A1 CA2662528A1 (en) | 2008-03-06 |
| CA2662528C true CA2662528C (en) | 2012-07-17 |
Family
ID=39136989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2662528A Expired - Fee Related CA2662528C (en) | 2006-09-01 | 2007-09-04 | Dispensing closure with obstructed, offset, non-linear flow profile |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8038041B2 (en) |
| EP (1) | EP2074052B1 (en) |
| CA (1) | CA2662528C (en) |
| WO (1) | WO2008028189A2 (en) |
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- 2007-09-04 CA CA2662528A patent/CA2662528C/en not_active Expired - Fee Related
- 2007-09-04 WO PCT/US2007/077551 patent/WO2008028189A2/en active Application Filing
- 2007-09-04 EP EP07814669.3A patent/EP2074052B1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP2074052A2 (en) | 2009-07-01 |
| WO2008028189A3 (en) | 2008-07-10 |
| US20080054027A1 (en) | 2008-03-06 |
| EP2074052A4 (en) | 2010-12-22 |
| CA2662528A1 (en) | 2008-03-06 |
| EP2074052B1 (en) | 2014-12-24 |
| US8038041B2 (en) | 2011-10-18 |
| WO2008028189A2 (en) | 2008-03-06 |
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