CA1056780A - Dispensers - Google Patents
DispensersInfo
- Publication number
- CA1056780A CA1056780A CA272,742A CA272742A CA1056780A CA 1056780 A CA1056780 A CA 1056780A CA 272742 A CA272742 A CA 272742A CA 1056780 A CA1056780 A CA 1056780A
- Authority
- CA
- Canada
- Prior art keywords
- rim
- container
- dispenser
- outer container
- sealing
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/38—Details of the container body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/60—Contents and propellant separated
- B65D83/62—Contents and propellant separated by membrane, bag, or the like
Abstract
ABSTRACT OF THE DISCLOSURE
"Improvements in dispensers"
A dispenser for dispensing liquid and paste-like compositions has an inner flexible container for receiving the composition and a pressure-resistant outer container. A propellent gas is introduced through a filling valve into the annular chamber between the con-tainers. The composition in the inner flexible container is thereby pressurized and can be dispensed by actuation of a dispensing valve whose base closes the mouth of the inner container. The rim of the valve base is rolled over the rims of the inner and outer containers to connect the parts together. A sealing edge is defined on the rim of the outer container and on the rim of the valve base and thus the inner container is engaged with sealing line contact on both sides thereof. A sealing composition is also described as confined between the rims of the inner and outer containers.
"Improvements in dispensers"
A dispenser for dispensing liquid and paste-like compositions has an inner flexible container for receiving the composition and a pressure-resistant outer container. A propellent gas is introduced through a filling valve into the annular chamber between the con-tainers. The composition in the inner flexible container is thereby pressurized and can be dispensed by actuation of a dispensing valve whose base closes the mouth of the inner container. The rim of the valve base is rolled over the rims of the inner and outer containers to connect the parts together. A sealing edge is defined on the rim of the outer container and on the rim of the valve base and thus the inner container is engaged with sealing line contact on both sides thereof. A sealing composition is also described as confined between the rims of the inner and outer containers.
Description
The invention relates to a dispenser for receiving and dis-pensing liquid and pasty compositions under pressure, which device has a pressure-resistant outer container and a flexible inner container.
Usually the commodity to be dispensed is introduced into the inner container of such a dispenser. The annular chamber between the inner container and the outer container is filled under pressure with a propellent gas. Desirable objects to be achieved in the con-struction of a dispenser of this type reside in avoiding the escape of the pressurized gas introduced into the outer container and the commodity introduced into the inner container. The intermixing of the propellent gas and the commodity must also be avoided.
Many forms of these dispensers, also called two-chamber can-isters or two-chamber pressure containers, are known. The chief difference between them reside in the manner of securing and connect-ing the inner and outer containers to the container cover and to thebase of a dispensing valve which is usually inserted into the top opening of the outer container.
In one form, the top rim of the inner container is rolled over between the outer container and the container cover. This ensures satisfactory securing and sealing. However, the collapse of the inner container during emptying and the consequential emptying of the inner container dependent upon the collapsing of the inner con-tainer are not satisfactory. In many cases the inner container is made from a plastics material. Thus, if the commodity which is introduced into the inner container is of a kind which attacks metal, it does not have any detrimental effect on the inner container.
However, the commodity also comes into contact with the container cover and if the latter is made of metal, the dispenser cannot be used for many commodities.
In another form of known dispenser, the rim of the inner container is rolled over into the bottom of the outer container.
The propellent gas for extruding the commodity is then introduced into the inner container. The commodity itself is introduced into the annular chamber between the inner container and the outer con-tainer. Thus, the commodity is in contact with the entire metal casing forming the outer container. Thus, this form of dispenser is unsuitable for all materials which attack metal.
In a third known form of dispenser, the inner container is hooked into the top rolled over rim of the outer container.
A dispensing valve is mounted thereon by means of its base. The rim of the said base is flanged and thus interconnects the inner and outer containers, thus resulting in a leak-proof and rigid connection. The commodity introduced into the inner container doès not come into contact with the metal of the outer container. In this known embodiment, the top rim of the pressure container is rolled outwardly or is bent over. When inserting and pressing on the base of the dispensing valve, the inner container is thus pressed against the conically outwardly extending rim strip of the outer container. This pressure is effected directly below the rolled rim. The inner and the outer containers are in contact with one another along a strip zone, thus resulting in a surface seal. This always leads to unreliable sealing. There is the risk of cold flow within the locations where pressure has been exerted when plastics material is used for the inner container. Thus, the valve can become loose and the gas can escape from the outer con-tainer. The cold-flowing of the plastics material can also cause expansion of the flange rim of the base of the valve when there is a high pressure in the outer container, and the valve becomes loose.
An object of the invention is to construct a device such that the space in the inner container is satisfactorily sealed rela-tive to the chamber between the inner container and the outer con-tainer, and the valve is reliably prevented from becoming loose and dropping out.
More particularly, in accordance with the invention, there is provided, a dispenser for receiving and dispensing liquid and pasty compositions under pressure comprising, a pressure-resistant outer container having an upper rim, ~ flexible inner container having an upper rim which extends right over the upper rim of the outer container, a dispensing valve having a base which is received in the mouth of said inner container, said valve base hav ng a rim which overlies the rims of said inner and outer containers with 10567~0 the rim of the inner container extending beyond said valve base rim, a sharp acute angular sealing edge defined on the end of the upper rim of said outer container and a further sharp sealing edge defined on the end of the underside of said rolled over valve base rim, said valve base rim being crimped over to attach -the outer and inner containers and the valve base to one another, and said sealing edges each sealingly engaging said rim of the inner container with line contact at both sides thereof.
With the outer container bent over inwardly, its sealing edge is defined as a sharp inwardly projecting linear edge on the end of the inwardly bent over rim. A sealing composition bead may be provided between the rims of the outer and inner containers.
The sealing composition is in turn pressed downwardly by the mounted base of the dispensing valve. As a result of this pressure, the sealing composition is pressed and squeezed into the open gap between the edge of the inner container and the top of the bent over upper rim of the outer container. The sealing composition is compressed by 20% to 30% of its original volume by the bearing pressure, thus resulting in high sealing forces and a reliable leak-proof closure.
Also described is a dispenser for receiving and dispensing liquid and pasty compositions under pressure comprising a pressure-resistant outer container; a flexible inner container whose top rim overlies a bent over top rim of said outer container;
a dispensing valve having a base which is inserted into the mouth of the inner container, said base having a rim which is rolled ovcr the upper rims of said inner and outer containers and thus interconnects the inner and outer con~ainers and which defines a sealing edge which is pressed radially inwardly against the rim of the inner container; a closable opening in the bottom of the outer container for the purpose of introducing a pressure medium into the chamber between said containers; and a sealing composition interposed between said rims.
In this structure, a sealing edge extends along the outer edge of the base of the dispensing valve which presses the overlaid rim of the inner container along a line radially against the outside of the outer container.
With the top rim of the outer container bent over inwardly to form a strip portion having a sealing edge which abuts against the inner container, the sealing edge formed on the strip portion of the outer container rim presses the inner container radially inwardly against the flanged rim of the base of the dispensing valve.
It has proved to be advantageous to interpose a sealing composition between the walls of the outer container and the inner container below the inwardly bent over rim strip portion of the outèr container. This sealing composition is pressed on and against the sealing edge between the inner container and the rim strip portion by the pressure prevailing in the gas chamber formed between the two containers.
In all dispensers, it is advantageous to interpose a sealing composition between the bent over top rim of the outer container and the rim of the inner container resting thereon.
,. ..
~056780 In accordance with ~n advantageous embodiment, the base of the dispensing valve is curved radially outwardly at its juncture with -the rolled over portion and in the region of the edge of the outer container to form a bulge. Thus, the inner container is pressed radially outwardly from the inside against the edge of the outer container, thus producing large sealing pressures at this edge.
Specific embodiments of the invention will now be desçribed with reference to the accompanying drawings, in which:
Fig. 1 is a side elevation of one embodiment of dispenser with the outer container and the valve base shown in section.
'.J'~
Fig. 2. is a section taken on the line II-II of Fig. 1.
Fig. 3. is a sectional detail drawn to a larger scale of that part shown by the circle III in Fig. 1. and Figs. 4, 5 and 6 are sectional details, similar to Fig. 3, but illustrating three other embodiments.
Referring to Figs 1 and 2 an inner container 14, made from plastics material, is located within a metal outer container 12.
A charging valve 16 for a propellent gas is located in the bottom of the outer container 12. The inner container 14 is filled with a liquid or pasty commodity to be dispensed before a dispensing valve 32 is inserted by its base 26 into the upper open ends of the containers.
In the seal illustrated in Fig. 3, the top rim 18 of the outer container is bent inwardly. The rim of the outer container is bent-over in the form of an internal chime to provide a strip 20 having a sealing edge 22. The dispensing valve 32 (Fig. 1) is pressed into its base 26. The base of the dispensing valve is bent upwardly along its rim 24 and is flanged downwardly and out-wardly at 28. The base 26 is expanded outwardly in the lower region of the rim 24 by means of an expansion tool to form a bulge 34. A sealing ring 30 rests on the end edge 36 of the inner con-tainer 14 and on the inwardly bent rim 18 of the outer container 12.
1056~8(~
After assembly the propellent gas is introduced through the charging valve 16 into the annular chamber between the inner and outer containers 14 and 12 to place the commodity under pressure.
The bulge 34 presses the inner container 14 firmly against the strip 20 of the outer container 12. The sealing edge 22 of the outer container is pressed into the plastics material of the inner container 14. A bead of sealing composition 38 comprising, for example, latex, is located between the inner container 14 and the outer container 12 below the sealing edge 22. The sealing composition is pressed against the two edges of the strip 20 by the pressure in the gas chamber between the inner container 14 and the outer container 12. The gas chamber is thus additionally sealed. The inner container 14, containing the commodity, is sealed by the clamping of its top rim between the strip 20 of the outer container 12 and the flanged rim 24 of the valve base.
Further sealing is effected along the end edge 36 of the inner container. The sealing ring 30 is pressed against the end edge by high pressures. As stated initially, the sealing ring 30 is compressed by up to 30% of its volume. This leads to high seal-ing forces along the end edge 36.
The structure illustrated in Fig. 4 differs from Fig. 3 in that the inner container 14 is drawn across the entire in-wardly bent top rim 18 of the outer container 12. In this struc-ture, a sealing edge 40 is formed along the downwardly facing rim _g_ 10567E~0 42 of the bent-over rim of the valve base 26. The rim 42 presses the inner container 14 radially inwardly against the outside of the outer container 12 along the sealing edge 40.
In Fig. 5, the rim 18 of the outer container 12 is bent outwardly to form an external chime. A further special feature of this structure is that the flanged rim 24 of the base of the dispensing valve is cylindrical. Thus, a sealing edge 44 is produced at the transition between the flanged rim 24 and the horizontally extending portion of the base 26. The pressure pre-vailing in the gas chamber between the two containers presses theinner container 14 against the sealing edge 44. This produces high sealing pressure at this location. A sealing composition can also be provided at the location 38 of Fig. 3 for the purpose of further sealing.
In Fig. 6; the top rim 20 of the outer container 12 is of cylindrical conStruction and it is only below the cylindrical portion that it merges into a diverging or convex region of widening diameter. The sealing edge 44 is thus defined on the outer container and extends along this transition. As in the structures shown in Figs. 3 and 4, the flanged rim 24 of the base 26 of the dispensing valve curves radially outwardly. The inner container 14 is thereby pressed against the sealing edge 44 on the outer container 12.
In Figs 5 and 6 the bent-over rim of the valve base 26 is turned right under the outwardly bent rim 18 of the outer container so that a sealing edge 22 found on the rim of the outer container and a sealing edge 40 found on the rim of the valve base both engage the turned-over portion of the inner container 14.
All the structures have the common feature that the inner container 14 is pressed against a linear sealing edge. Refer-ring to Figs. 3 and 4, this sealing edge extends along the rim of the inwardly bent-over strip 20 of the outer container and coincides with this rim. In Fig. 5, the sealing edge extends along the transition between the flanged cylindrical rim and the horizontally extending portion of the base of the dispensing valve. The sealing edge is displaced radially outwardly in Fig. 6 and i5 located on the inside of the outer container. An additional sealing edge is produced along the outer container. An additional sealing edge is produced along the end edge 36 of the inner container 14 in Fig. 3. In Figs. 4, 5 and 6 an additional sealing edge is produced along the bottom rim 42 of the bent rim of the valve base. These different sealing edges can, within the scope of the invention, cooperate in different ways from those illustrated in detail.
Usually the commodity to be dispensed is introduced into the inner container of such a dispenser. The annular chamber between the inner container and the outer container is filled under pressure with a propellent gas. Desirable objects to be achieved in the con-struction of a dispenser of this type reside in avoiding the escape of the pressurized gas introduced into the outer container and the commodity introduced into the inner container. The intermixing of the propellent gas and the commodity must also be avoided.
Many forms of these dispensers, also called two-chamber can-isters or two-chamber pressure containers, are known. The chief difference between them reside in the manner of securing and connect-ing the inner and outer containers to the container cover and to thebase of a dispensing valve which is usually inserted into the top opening of the outer container.
In one form, the top rim of the inner container is rolled over between the outer container and the container cover. This ensures satisfactory securing and sealing. However, the collapse of the inner container during emptying and the consequential emptying of the inner container dependent upon the collapsing of the inner con-tainer are not satisfactory. In many cases the inner container is made from a plastics material. Thus, if the commodity which is introduced into the inner container is of a kind which attacks metal, it does not have any detrimental effect on the inner container.
However, the commodity also comes into contact with the container cover and if the latter is made of metal, the dispenser cannot be used for many commodities.
In another form of known dispenser, the rim of the inner container is rolled over into the bottom of the outer container.
The propellent gas for extruding the commodity is then introduced into the inner container. The commodity itself is introduced into the annular chamber between the inner container and the outer con-tainer. Thus, the commodity is in contact with the entire metal casing forming the outer container. Thus, this form of dispenser is unsuitable for all materials which attack metal.
In a third known form of dispenser, the inner container is hooked into the top rolled over rim of the outer container.
A dispensing valve is mounted thereon by means of its base. The rim of the said base is flanged and thus interconnects the inner and outer containers, thus resulting in a leak-proof and rigid connection. The commodity introduced into the inner container doès not come into contact with the metal of the outer container. In this known embodiment, the top rim of the pressure container is rolled outwardly or is bent over. When inserting and pressing on the base of the dispensing valve, the inner container is thus pressed against the conically outwardly extending rim strip of the outer container. This pressure is effected directly below the rolled rim. The inner and the outer containers are in contact with one another along a strip zone, thus resulting in a surface seal. This always leads to unreliable sealing. There is the risk of cold flow within the locations where pressure has been exerted when plastics material is used for the inner container. Thus, the valve can become loose and the gas can escape from the outer con-tainer. The cold-flowing of the plastics material can also cause expansion of the flange rim of the base of the valve when there is a high pressure in the outer container, and the valve becomes loose.
An object of the invention is to construct a device such that the space in the inner container is satisfactorily sealed rela-tive to the chamber between the inner container and the outer con-tainer, and the valve is reliably prevented from becoming loose and dropping out.
More particularly, in accordance with the invention, there is provided, a dispenser for receiving and dispensing liquid and pasty compositions under pressure comprising, a pressure-resistant outer container having an upper rim, ~ flexible inner container having an upper rim which extends right over the upper rim of the outer container, a dispensing valve having a base which is received in the mouth of said inner container, said valve base hav ng a rim which overlies the rims of said inner and outer containers with 10567~0 the rim of the inner container extending beyond said valve base rim, a sharp acute angular sealing edge defined on the end of the upper rim of said outer container and a further sharp sealing edge defined on the end of the underside of said rolled over valve base rim, said valve base rim being crimped over to attach -the outer and inner containers and the valve base to one another, and said sealing edges each sealingly engaging said rim of the inner container with line contact at both sides thereof.
With the outer container bent over inwardly, its sealing edge is defined as a sharp inwardly projecting linear edge on the end of the inwardly bent over rim. A sealing composition bead may be provided between the rims of the outer and inner containers.
The sealing composition is in turn pressed downwardly by the mounted base of the dispensing valve. As a result of this pressure, the sealing composition is pressed and squeezed into the open gap between the edge of the inner container and the top of the bent over upper rim of the outer container. The sealing composition is compressed by 20% to 30% of its original volume by the bearing pressure, thus resulting in high sealing forces and a reliable leak-proof closure.
Also described is a dispenser for receiving and dispensing liquid and pasty compositions under pressure comprising a pressure-resistant outer container; a flexible inner container whose top rim overlies a bent over top rim of said outer container;
a dispensing valve having a base which is inserted into the mouth of the inner container, said base having a rim which is rolled ovcr the upper rims of said inner and outer containers and thus interconnects the inner and outer con~ainers and which defines a sealing edge which is pressed radially inwardly against the rim of the inner container; a closable opening in the bottom of the outer container for the purpose of introducing a pressure medium into the chamber between said containers; and a sealing composition interposed between said rims.
In this structure, a sealing edge extends along the outer edge of the base of the dispensing valve which presses the overlaid rim of the inner container along a line radially against the outside of the outer container.
With the top rim of the outer container bent over inwardly to form a strip portion having a sealing edge which abuts against the inner container, the sealing edge formed on the strip portion of the outer container rim presses the inner container radially inwardly against the flanged rim of the base of the dispensing valve.
It has proved to be advantageous to interpose a sealing composition between the walls of the outer container and the inner container below the inwardly bent over rim strip portion of the outèr container. This sealing composition is pressed on and against the sealing edge between the inner container and the rim strip portion by the pressure prevailing in the gas chamber formed between the two containers.
In all dispensers, it is advantageous to interpose a sealing composition between the bent over top rim of the outer container and the rim of the inner container resting thereon.
,. ..
~056780 In accordance with ~n advantageous embodiment, the base of the dispensing valve is curved radially outwardly at its juncture with -the rolled over portion and in the region of the edge of the outer container to form a bulge. Thus, the inner container is pressed radially outwardly from the inside against the edge of the outer container, thus producing large sealing pressures at this edge.
Specific embodiments of the invention will now be desçribed with reference to the accompanying drawings, in which:
Fig. 1 is a side elevation of one embodiment of dispenser with the outer container and the valve base shown in section.
'.J'~
Fig. 2. is a section taken on the line II-II of Fig. 1.
Fig. 3. is a sectional detail drawn to a larger scale of that part shown by the circle III in Fig. 1. and Figs. 4, 5 and 6 are sectional details, similar to Fig. 3, but illustrating three other embodiments.
Referring to Figs 1 and 2 an inner container 14, made from plastics material, is located within a metal outer container 12.
A charging valve 16 for a propellent gas is located in the bottom of the outer container 12. The inner container 14 is filled with a liquid or pasty commodity to be dispensed before a dispensing valve 32 is inserted by its base 26 into the upper open ends of the containers.
In the seal illustrated in Fig. 3, the top rim 18 of the outer container is bent inwardly. The rim of the outer container is bent-over in the form of an internal chime to provide a strip 20 having a sealing edge 22. The dispensing valve 32 (Fig. 1) is pressed into its base 26. The base of the dispensing valve is bent upwardly along its rim 24 and is flanged downwardly and out-wardly at 28. The base 26 is expanded outwardly in the lower region of the rim 24 by means of an expansion tool to form a bulge 34. A sealing ring 30 rests on the end edge 36 of the inner con-tainer 14 and on the inwardly bent rim 18 of the outer container 12.
1056~8(~
After assembly the propellent gas is introduced through the charging valve 16 into the annular chamber between the inner and outer containers 14 and 12 to place the commodity under pressure.
The bulge 34 presses the inner container 14 firmly against the strip 20 of the outer container 12. The sealing edge 22 of the outer container is pressed into the plastics material of the inner container 14. A bead of sealing composition 38 comprising, for example, latex, is located between the inner container 14 and the outer container 12 below the sealing edge 22. The sealing composition is pressed against the two edges of the strip 20 by the pressure in the gas chamber between the inner container 14 and the outer container 12. The gas chamber is thus additionally sealed. The inner container 14, containing the commodity, is sealed by the clamping of its top rim between the strip 20 of the outer container 12 and the flanged rim 24 of the valve base.
Further sealing is effected along the end edge 36 of the inner container. The sealing ring 30 is pressed against the end edge by high pressures. As stated initially, the sealing ring 30 is compressed by up to 30% of its volume. This leads to high seal-ing forces along the end edge 36.
The structure illustrated in Fig. 4 differs from Fig. 3 in that the inner container 14 is drawn across the entire in-wardly bent top rim 18 of the outer container 12. In this struc-ture, a sealing edge 40 is formed along the downwardly facing rim _g_ 10567E~0 42 of the bent-over rim of the valve base 26. The rim 42 presses the inner container 14 radially inwardly against the outside of the outer container 12 along the sealing edge 40.
In Fig. 5, the rim 18 of the outer container 12 is bent outwardly to form an external chime. A further special feature of this structure is that the flanged rim 24 of the base of the dispensing valve is cylindrical. Thus, a sealing edge 44 is produced at the transition between the flanged rim 24 and the horizontally extending portion of the base 26. The pressure pre-vailing in the gas chamber between the two containers presses theinner container 14 against the sealing edge 44. This produces high sealing pressure at this location. A sealing composition can also be provided at the location 38 of Fig. 3 for the purpose of further sealing.
In Fig. 6; the top rim 20 of the outer container 12 is of cylindrical conStruction and it is only below the cylindrical portion that it merges into a diverging or convex region of widening diameter. The sealing edge 44 is thus defined on the outer container and extends along this transition. As in the structures shown in Figs. 3 and 4, the flanged rim 24 of the base 26 of the dispensing valve curves radially outwardly. The inner container 14 is thereby pressed against the sealing edge 44 on the outer container 12.
In Figs 5 and 6 the bent-over rim of the valve base 26 is turned right under the outwardly bent rim 18 of the outer container so that a sealing edge 22 found on the rim of the outer container and a sealing edge 40 found on the rim of the valve base both engage the turned-over portion of the inner container 14.
All the structures have the common feature that the inner container 14 is pressed against a linear sealing edge. Refer-ring to Figs. 3 and 4, this sealing edge extends along the rim of the inwardly bent-over strip 20 of the outer container and coincides with this rim. In Fig. 5, the sealing edge extends along the transition between the flanged cylindrical rim and the horizontally extending portion of the base of the dispensing valve. The sealing edge is displaced radially outwardly in Fig. 6 and i5 located on the inside of the outer container. An additional sealing edge is produced along the outer container. An additional sealing edge is produced along the end edge 36 of the inner container 14 in Fig. 3. In Figs. 4, 5 and 6 an additional sealing edge is produced along the bottom rim 42 of the bent rim of the valve base. These different sealing edges can, within the scope of the invention, cooperate in different ways from those illustrated in detail.
Claims (8)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A dispenser for receiving and dispensing liquid and pasty compositions under pressure comprising, a pressure-resistant outer container having an upper rim, a flexible inner container having an upper rim which extends right over the upper rim of the outer container, a dispensing valve having a base which is received in the mouth of said inner container, said valve base having a rim which overlies the rims of said inner and outer containers with the rim of the inner container extending beyond said valve base rim, a sharp acute angular sealing edge defined on the end of the upper rim of said outer container and a further sharp sealing edge defined on the end of the underside of said valve base rim, said valve base rim being crimped over to attach the outer and inner containers and the valve base to one another, and said sealing edges each sealingly engaging said rim of the inner container with line contact at both sides thereof.
2. A dispenser as defined in claim 1 in which said rim of said outer container is bent over inwardly and its sealing edge is defined as a sharp inwardly projecting linear edge on the end of said inwardly bent over rim.
3. A dispenser as defined in claim 1, in which a sealing composition bead is provided between the rims of said outer and inner containers.
4. A dispenser as defined in claim 2 comprising, a sealing composition bead between the rims of said outer and inner containers beyond the inwardly bent over rim of said outer container.
5. A dispenser as defined in claim 2 comprising, a pair of sealing composition beads between the rims of said outer and inner containers, one of said beads being situated beyond the inwardly bent over rim of said outer container.
6. A dispenser as defined in claim 3 in which said sealing composition is under pressure such that its volume is reduced by up to about 30% as compared with its free plate volume.
7. A dispenser as defined in claim 1, said valve base being curved radially outwardly adjacent its rim to form a bulge for urging said rim of said inner container against said rim of said outer container.
8. A dispenser as defined in claims 1, 2 or 5 comprising filling means provided in said outer container for introducing a pressurized fluid into a chamber defined between said inner and outer containers to place a commodity in said inner container under pressure.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7602685A SE404346B (en) | 1976-02-27 | 1976-02-27 | KERL FOR RECEPTION AND DELIVERY OF LIQUID AND PASTA-MASSES UNDER PRESSURE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1056780A true CA1056780A (en) | 1979-06-19 |
Family
ID=20327170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA272,742A Expired CA1056780A (en) | 1976-02-27 | 1977-02-25 | Dispensers |
Country Status (16)
| Country | Link |
|---|---|
| JP (1) | JPS6031710B2 (en) |
| AR (2) | AR214517A1 (en) |
| AU (1) | AU509237B2 (en) |
| BE (1) | BE851864A (en) |
| CA (1) | CA1056780A (en) |
| CH (1) | CH616633A5 (en) |
| DE (2) | DE2705549C2 (en) |
| DK (1) | DK148474C (en) |
| ES (1) | ES456338A1 (en) |
| FI (1) | FI58895C (en) |
| FR (1) | FR2342222A1 (en) |
| GB (1) | GB1579350A (en) |
| IE (1) | IE44623B1 (en) |
| NL (1) | NL183451C (en) |
| SE (1) | SE404346B (en) |
| ZA (1) | ZA771141B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5551601A (en) * | 1991-11-27 | 1996-09-03 | Camm; James O. | Dispenser with internal diaphragm |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5548070A (en) * | 1978-09-29 | 1980-04-05 | Continental Group | Aerosol vessel |
| US4293353A (en) * | 1978-11-03 | 1981-10-06 | The Continental Group, Inc. | Sealing-attaching system for bag type aerosol containers |
| JPS55104684U (en) * | 1979-01-12 | 1980-07-22 | ||
| FR2450758B1 (en) * | 1979-03-08 | 1986-01-17 | Valois Sa | VALVE MOUNTING DEVICE IN AN AEROSOL CONTAINER |
| DE2912670A1 (en) * | 1979-03-30 | 1980-10-09 | Lechner Gmbh | TWO-CHAMBER PRESSURE CAN FOR DISPENSING A FILLING MATERIAL |
| JPH0232301Y2 (en) * | 1981-05-20 | 1990-09-03 | ||
| JPS589160U (en) * | 1981-07-09 | 1983-01-21 | 大阪エヤゾ−ル工業株式会社 | Accumulated fire extinguisher |
| JPS58108857U (en) * | 1982-01-16 | 1983-07-25 | 大阪エヤゾ−ル工業株式会社 | Halon fire extinguishing agent storage container |
| DE3802314C1 (en) * | 1988-01-27 | 1989-10-26 | Stoffel, Gerd, 7750 Konstanz, De | |
| DE3915765C2 (en) * | 1988-01-27 | 1998-07-30 | Gerd Stoffel | Process for producing a two-chamber pressure pack |
| DE3807156A1 (en) * | 1988-03-04 | 1989-09-14 | Perfect Ventil Gmbh | AEROSOL CONTAINER |
| US5123560A (en) * | 1989-01-31 | 1992-06-23 | Alusuisse-Lonza Services Ltd. | Two-chamber dispenser for a gas-pressurized or non-pressurized package |
| JPH0717404Y2 (en) * | 1989-04-07 | 1995-04-26 | ライオン株式会社 | Aerosol container |
| FI910201A (en) * | 1991-01-15 | 1992-07-16 | Pentti Turunen | SYSTEM FOER ANVAENDNING AV AEROSOLER OCH AEROSOLFOERPACKNINGAR. |
| JP5190163B2 (en) * | 2001-03-07 | 2013-04-24 | 株式会社ダイゾー | Double aerosol product manufacturing method and double aerosol product manufactured by the manufacturing method |
| JP5064897B2 (en) * | 2007-06-11 | 2012-10-31 | 日鐵ドラム株式会社 | Method for producing a metal container with excellent airtightness |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3417117A (en) * | 1964-10-26 | 1968-12-17 | M & T Chemicals Inc | Organotin carbonates, their thio-analogs and the preparation thereof |
| US3450305A (en) * | 1966-10-12 | 1969-06-17 | Continental Can Co | Venting means for containers |
| US3896602A (en) * | 1971-09-15 | 1975-07-29 | Tor H Petterson | Method of manufacturing of a barrier package |
| JPS4916575U (en) * | 1972-05-19 | 1974-02-12 | ||
| US3828977A (en) * | 1972-06-14 | 1974-08-13 | Continental Can Co | Compartment bag assembly for dispensing containers |
| US3850339A (en) * | 1973-05-07 | 1974-11-26 | American Can Co | Triple score pressure relief system for an aerosol container |
| DE2413859C3 (en) * | 1974-03-22 | 1979-10-04 | Vereinigte Deutsche Metallwerke Ag, 6000 Frankfurt | Seamless container |
-
1976
- 1976-02-27 SE SE7602685A patent/SE404346B/en not_active IP Right Cessation
-
1977
- 1977-02-10 DE DE2705549A patent/DE2705549C2/en not_active Expired
- 1977-02-10 DE DE7703927U patent/DE7703927U1/en not_active Expired
- 1977-02-23 AR AR266652A patent/AR214517A1/en active
- 1977-02-24 DK DK79977A patent/DK148474C/en not_active IP Right Cessation
- 1977-02-24 FR FR7705375A patent/FR2342222A1/en active Granted
- 1977-02-25 CH CH243377A patent/CH616633A5/en not_active IP Right Cessation
- 1977-02-25 GB GB8038/77A patent/GB1579350A/en not_active Expired
- 1977-02-25 BE BE175294A patent/BE851864A/en not_active IP Right Cessation
- 1977-02-25 JP JP52019361A patent/JPS6031710B2/en not_active Expired
- 1977-02-25 NL NLAANVRAGE7702029,A patent/NL183451C/en not_active IP Right Cessation
- 1977-02-25 IE IE417/77A patent/IE44623B1/en not_active IP Right Cessation
- 1977-02-25 CA CA272,742A patent/CA1056780A/en not_active Expired
- 1977-02-25 ZA ZA00771141A patent/ZA771141B/en unknown
- 1977-02-25 FI FI770627A patent/FI58895C/en not_active IP Right Cessation
- 1977-02-26 ES ES456338A patent/ES456338A1/en not_active Expired
- 1977-02-28 AU AU22778/77A patent/AU509237B2/en not_active Expired
- 1977-10-25 AR AR269711A patent/AR218641A1/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5551601A (en) * | 1991-11-27 | 1996-09-03 | Camm; James O. | Dispenser with internal diaphragm |
Also Published As
| Publication number | Publication date |
|---|---|
| DK148474B (en) | 1985-07-15 |
| DE2705549A1 (en) | 1977-09-01 |
| NL7702029A (en) | 1977-08-30 |
| FR2342222A1 (en) | 1977-09-23 |
| BE851864A (en) | 1977-06-16 |
| ZA771141B (en) | 1978-01-25 |
| AR218641A1 (en) | 1980-06-30 |
| SE7602685L (en) | 1977-08-28 |
| AU509237B2 (en) | 1980-05-01 |
| JPS52146383A (en) | 1977-12-06 |
| DK79977A (en) | 1977-08-28 |
| NL183451C (en) | 1988-11-01 |
| FI58895B (en) | 1981-01-30 |
| CH616633A5 (en) | 1980-04-15 |
| DK148474C (en) | 1985-12-16 |
| AR214517A1 (en) | 1979-06-29 |
| IE44623B1 (en) | 1982-01-27 |
| IE44623L (en) | 1977-08-27 |
| JPS6031710B2 (en) | 1985-07-24 |
| ES456338A1 (en) | 1978-01-16 |
| FR2342222B1 (en) | 1981-06-12 |
| FI58895C (en) | 1981-05-11 |
| DE7703927U1 (en) | 1977-06-08 |
| FI770627A (en) | 1977-08-28 |
| GB1579350A (en) | 1980-11-19 |
| SE404346B (en) | 1978-10-02 |
| AU2277877A (en) | 1978-09-07 |
| DE2705549C2 (en) | 1984-09-06 |
| NL183451B (en) | 1988-06-01 |
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