CA2135218C - Method of distributing objects - Google Patents
Method of distributing objects Download PDFInfo
- Publication number
- CA2135218C CA2135218C CA002135218A CA2135218A CA2135218C CA 2135218 C CA2135218 C CA 2135218C CA 002135218 A CA002135218 A CA 002135218A CA 2135218 A CA2135218 A CA 2135218A CA 2135218 C CA2135218 C CA 2135218C
- Authority
- CA
- Canada
- Prior art keywords
- opening devices
- rows
- row
- parts
- joining
- 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 - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/18—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention relates to a method of distributing parts for opening devices and preparing for application in that the parts, which are intended to be applied individually on a packaging container, are positioned, closed and marshalled together to form a web or a sheet. The prefabricated parts are arranged in rows.
In each row, two or more of the parts are provided with projections which are placed against corresponding part in a neighbouring row and are welded together using ultrasonic means.
In each row, two or more of the parts are provided with projections which are placed against corresponding part in a neighbouring row and are welded together using ultrasonic means.
Description
A METHOD OF DISTRIBUTING OBJECTS
TECHNICAL FIELD
The present invention provides a method of distributing and preparing for application, parts for opening devices, each opening device part comprising a pouring part and a closing part, extruded in one piece and in open position, the parts are manufactured in rows and are intended to be applied individually on a packaging container.
to BACKGROUND ART
Within the packaging industry, relating in particular to packages for liquid foods such as milk and juice, it is a normal occurrence that an opening device is is applied on the outside of the packaging container in order to facilitate the consumer's access to the enclosed content. These opening device parts are applied to the outside of the package in an applicator. This applicator most generally operates in such a manner that the objects must be oriented in a given way. In order to facilitate this operation, the objects should, in some way, be held 2o together so that they are oriented in the same way. Furthermore, it should not be possible for the objects to catch in another or lie against one another so that they run the risk of becoming deformed. Such an opening device part which is applied may, for example, consist of an outer pouring and closing device for the package.
2s OBJECTS OF THE INVENTION
It is an object of the present invention to obviate or mitigate the problems associated with conventional methods of distributing parts.
3o Another object of the present invention is to devise a method of distributing relatively small parts intended to be applied on a package container so that the parts are brought, or marshalled, together into a web or a sheet form, which facilitates handling and permits the applicator to be run at higher speed.
A further object of the present invention is, by an automatic, continuous process, to unite the individual parts together in a simple and economical manner.
s SUMMARY OF THE INVENTION
These and other objects have been attained according to the present invention in that the method of the type described by way of introduction has been given the characterizing features that the parts connected in rows; are io positioned and closed in that said pouring part is closed by a snap-in closure to the closing part, that either the pouring part or the closing part on two or more of the parts in a row, are provided with the projection and that a number of similarly prepared rows are joined into a web or a sheet in that the projections on one row is welded together with the corresponding opening device parts on a Is neighbouring row.
According to an aspect of the present invention there is provided a method of distributing and preparing opening devices to be applied to packaging containers, the method comprising extruding opening devices which are in an 20 open position and connected to one another to form rows of opening devices, each of the opening devices comprising a pouring part and a closure part, closing the opening devices so that the closure parts are in a closed position over the pouring parts, positioning at least two cows of the opening devices adjacent one another, and joining at least some of the opening devices in the at least two rows Zs to form a web of opening devices.
According to another aspect of the present invention there is provided a method of distributing and preparing opening devices to be applied to packaging containers, the method comprising extruding at least two rows of opening devices 3o with each row having an orientation, each of the rows comprising a plurality of opening devices connected together, the opening devices each including a pouring part and a closure part connected to the pouring part by a connecting means, reversing the orientation of one of the at least two rows of opening 2a io devices with each row having an orientation; each of the rows comprising a plurality of opening devices connected together, the opening devices each including a pouring part and a closure part connected to the pouring part by a connecting means, reversing the orientation of one of the at least two rows of opening devices, closing the opening devices by folding each of the opening devices along the connecting means, positioning the at least two rows of the opening devices adjacent one another, joining the at least two rows of the opening devices by welding to form a sheet of opening devices, and placing the sheet of opening devices in a holding device.
BRIEF DESCRIPTION OF THE ACCOMPANYING DRAWINGS
One preferred embodiment of the present invention will now be described in greater detail hereinbelow, with particular reference to the accompanying is Drawings, in which Fig.1 shows a row of opening device parts;
Figs. 2 A-G show how the parts are marshalled together in a suitable distribution unit; and Fig. 3 shows how the parts are welded together to web or sheet form.
DESCRIPTION OF PREFERRED EMBODIMENT
Those opening device parts which are intended to be distributed according to the present invention consist of a pouring part 2 and a closing part 3 2s manufactured in one piece, which is to be applied on the outside of a packaging container. Such a packaging container can be constituted by a parallelepipedic package consisting of a laminate with an outside of a thermoplastic layer.
This parallelepipedic package is provided with an aperture which is covered by a so called pull-tab, and the opening device part 1 is intended to be applied around 3o and over the pull-tab.
Fig. 1 shows a number of parts 1, as they appear when they have been extruded. The parts 1 are manufactured from plastic material. In this phase, the 2b opening device part 1 is open. The pouring part 2 is intended to be fixed against the outside of the packaging container, and the closing part 3 is passed over the pouring part 2. The pouring part 2 and closing part 3 of an opening device part 1 are united by the intermediary of a hinge piece 4. When the parts 1 are s extruded, they are united in a row comprising an X number of opening device parts 1.
On two or more of the closing parts 3 of the opening device part 1, there are small projections 5 projecting outside the edge, these projections being intended to be used for the uniting of a number of rows into a web form. In Fig. 1, and in the preferred io embodiment, the two outem~ost opening device parts 1 on each side are provided with projections 5, this in order to impart greater stability to the web.
Alternatively the projections 5 are provided to the pouring part 2 of the opening device part 1.
The parts 1 can be applied on the packaging container in the appearance as shown in Fig. 1, but they can also be closed, in that the closing part 3 is brought together with the pouring part 2 by the whole opening device part 1 being folded over in its hinge piece 4, and closed by means of a snap-in closure.
Figs. A-G show the process for obtaining a suitable distribution unit for the above described parts i. When the parts 1 depart from the extruder 6, they arrive in a number of rows X. Since the extruder 6 is symmetrically designed and constructed, the rows are mirror-reversed in relation to one another, two-by-two. In order to marshal together the objects 1 to web form, every other row must, therefore, be positioned (Fig.
TECHNICAL FIELD
The present invention provides a method of distributing and preparing for application, parts for opening devices, each opening device part comprising a pouring part and a closing part, extruded in one piece and in open position, the parts are manufactured in rows and are intended to be applied individually on a packaging container.
to BACKGROUND ART
Within the packaging industry, relating in particular to packages for liquid foods such as milk and juice, it is a normal occurrence that an opening device is is applied on the outside of the packaging container in order to facilitate the consumer's access to the enclosed content. These opening device parts are applied to the outside of the package in an applicator. This applicator most generally operates in such a manner that the objects must be oriented in a given way. In order to facilitate this operation, the objects should, in some way, be held 2o together so that they are oriented in the same way. Furthermore, it should not be possible for the objects to catch in another or lie against one another so that they run the risk of becoming deformed. Such an opening device part which is applied may, for example, consist of an outer pouring and closing device for the package.
2s OBJECTS OF THE INVENTION
It is an object of the present invention to obviate or mitigate the problems associated with conventional methods of distributing parts.
3o Another object of the present invention is to devise a method of distributing relatively small parts intended to be applied on a package container so that the parts are brought, or marshalled, together into a web or a sheet form, which facilitates handling and permits the applicator to be run at higher speed.
A further object of the present invention is, by an automatic, continuous process, to unite the individual parts together in a simple and economical manner.
s SUMMARY OF THE INVENTION
These and other objects have been attained according to the present invention in that the method of the type described by way of introduction has been given the characterizing features that the parts connected in rows; are io positioned and closed in that said pouring part is closed by a snap-in closure to the closing part, that either the pouring part or the closing part on two or more of the parts in a row, are provided with the projection and that a number of similarly prepared rows are joined into a web or a sheet in that the projections on one row is welded together with the corresponding opening device parts on a Is neighbouring row.
According to an aspect of the present invention there is provided a method of distributing and preparing opening devices to be applied to packaging containers, the method comprising extruding opening devices which are in an 20 open position and connected to one another to form rows of opening devices, each of the opening devices comprising a pouring part and a closure part, closing the opening devices so that the closure parts are in a closed position over the pouring parts, positioning at least two cows of the opening devices adjacent one another, and joining at least some of the opening devices in the at least two rows Zs to form a web of opening devices.
According to another aspect of the present invention there is provided a method of distributing and preparing opening devices to be applied to packaging containers, the method comprising extruding at least two rows of opening devices 3o with each row having an orientation, each of the rows comprising a plurality of opening devices connected together, the opening devices each including a pouring part and a closure part connected to the pouring part by a connecting means, reversing the orientation of one of the at least two rows of opening 2a io devices with each row having an orientation; each of the rows comprising a plurality of opening devices connected together, the opening devices each including a pouring part and a closure part connected to the pouring part by a connecting means, reversing the orientation of one of the at least two rows of opening devices, closing the opening devices by folding each of the opening devices along the connecting means, positioning the at least two rows of the opening devices adjacent one another, joining the at least two rows of the opening devices by welding to form a sheet of opening devices, and placing the sheet of opening devices in a holding device.
BRIEF DESCRIPTION OF THE ACCOMPANYING DRAWINGS
One preferred embodiment of the present invention will now be described in greater detail hereinbelow, with particular reference to the accompanying is Drawings, in which Fig.1 shows a row of opening device parts;
Figs. 2 A-G show how the parts are marshalled together in a suitable distribution unit; and Fig. 3 shows how the parts are welded together to web or sheet form.
DESCRIPTION OF PREFERRED EMBODIMENT
Those opening device parts which are intended to be distributed according to the present invention consist of a pouring part 2 and a closing part 3 2s manufactured in one piece, which is to be applied on the outside of a packaging container. Such a packaging container can be constituted by a parallelepipedic package consisting of a laminate with an outside of a thermoplastic layer.
This parallelepipedic package is provided with an aperture which is covered by a so called pull-tab, and the opening device part 1 is intended to be applied around 3o and over the pull-tab.
Fig. 1 shows a number of parts 1, as they appear when they have been extruded. The parts 1 are manufactured from plastic material. In this phase, the 2b opening device part 1 is open. The pouring part 2 is intended to be fixed against the outside of the packaging container, and the closing part 3 is passed over the pouring part 2. The pouring part 2 and closing part 3 of an opening device part 1 are united by the intermediary of a hinge piece 4. When the parts 1 are s extruded, they are united in a row comprising an X number of opening device parts 1.
On two or more of the closing parts 3 of the opening device part 1, there are small projections 5 projecting outside the edge, these projections being intended to be used for the uniting of a number of rows into a web form. In Fig. 1, and in the preferred io embodiment, the two outem~ost opening device parts 1 on each side are provided with projections 5, this in order to impart greater stability to the web.
Alternatively the projections 5 are provided to the pouring part 2 of the opening device part 1.
The parts 1 can be applied on the packaging container in the appearance as shown in Fig. 1, but they can also be closed, in that the closing part 3 is brought together with the pouring part 2 by the whole opening device part 1 being folded over in its hinge piece 4, and closed by means of a snap-in closure.
Figs. A-G show the process for obtaining a suitable distribution unit for the above described parts i. When the parts 1 depart from the extruder 6, they arrive in a number of rows X. Since the extruder 6 is symmetrically designed and constructed, the rows are mirror-reversed in relation to one another, two-by-two. In order to marshal together the objects 1 to web form, every other row must, therefore, be positioned (Fig.
2 B) in that, for example, every other row is lifted by suction cups and rotated through 180°.
In the preferred embodiment, the parts 1 are intended-to be applied in the closed state, for which reason the closing part 3 must be brought together with the pouring part 2, as shown in Fig. 2 C. Further, the now closed part 1 are marshalled together in a line in sequence after one another as shown in Fig. 2 D.
The rows of parts 1 x are retained in a fixture device and are fused or welded together with the subsequent row at the projections 5 with which two or more of the opening device parts 1 are provided.
Given that this process is continuous and automatic, the opening device parts will thus be marshalled together to a web or a sheet form. This can possibly be fed directly to an applicator machine, but since manufacture of the parts 1 most generally does not coincide with application of the objects 1 themselves, it is appropriate to sever the web form into suitable pieces y, a sheet, which can be packed in a box or crate to a suitable height z. This is illustrated in Figs. 2 F-G.
Fg. 3 shows the welding operation, which is suitably carried out by means of an ultrasonic horn 7 since, by such means, a directed welding will be obtained of the small surfaces which are contemplated here. Another method of bringing together the projections 5 with the immediately subsequent row can be by heating the projections 5 on one row and the opening device parts 1 on the subsequent row to the melting temperature. The projections 5 are placed so that they rest against the hinge piece 4 on the subsequent row and should suitably be so small that they do not obstruct the function of the opening device part 1, nor do they affect its appearance. At the same time, they constitute such slight material quantity that the cost increase will be negligible.
As illustrated in Fig. 3, the projections 5 have a minor indication of fracture 6 where they are secured in their opening device part 1 and, when the web or sheet parts 1 are fed to the applicator, the parts 1 are severed from one another partly on the x-axis and partly on the y-axis into individual parts 1 which are taken charge of by the applicator and secured to the outside of the package using a hot-melt process, or alternatively by heating of the opening device part 1 or the outer thermoplastic layer of the package, respectively.
As will have been apparent from the foregoing description, the present invention realises a method of distributing separate parts intended to be applied on a packaging container so that the parts are easy to handle and cannot be deformed in the event of unsuitable storage. The method also makes it possible for the applicator to operate with continuous and even advancement of the parts which are correctly oriented, and, as a result the applicator may be run at higher speed.
The present invention should not be considered as restricted to that described above and shown on the Drawings, many modifications being conceivable without departing from the spirit and scope of the appended Claims.
In the preferred embodiment, the parts 1 are intended-to be applied in the closed state, for which reason the closing part 3 must be brought together with the pouring part 2, as shown in Fig. 2 C. Further, the now closed part 1 are marshalled together in a line in sequence after one another as shown in Fig. 2 D.
The rows of parts 1 x are retained in a fixture device and are fused or welded together with the subsequent row at the projections 5 with which two or more of the opening device parts 1 are provided.
Given that this process is continuous and automatic, the opening device parts will thus be marshalled together to a web or a sheet form. This can possibly be fed directly to an applicator machine, but since manufacture of the parts 1 most generally does not coincide with application of the objects 1 themselves, it is appropriate to sever the web form into suitable pieces y, a sheet, which can be packed in a box or crate to a suitable height z. This is illustrated in Figs. 2 F-G.
Fg. 3 shows the welding operation, which is suitably carried out by means of an ultrasonic horn 7 since, by such means, a directed welding will be obtained of the small surfaces which are contemplated here. Another method of bringing together the projections 5 with the immediately subsequent row can be by heating the projections 5 on one row and the opening device parts 1 on the subsequent row to the melting temperature. The projections 5 are placed so that they rest against the hinge piece 4 on the subsequent row and should suitably be so small that they do not obstruct the function of the opening device part 1, nor do they affect its appearance. At the same time, they constitute such slight material quantity that the cost increase will be negligible.
As illustrated in Fig. 3, the projections 5 have a minor indication of fracture 6 where they are secured in their opening device part 1 and, when the web or sheet parts 1 are fed to the applicator, the parts 1 are severed from one another partly on the x-axis and partly on the y-axis into individual parts 1 which are taken charge of by the applicator and secured to the outside of the package using a hot-melt process, or alternatively by heating of the opening device part 1 or the outer thermoplastic layer of the package, respectively.
As will have been apparent from the foregoing description, the present invention realises a method of distributing separate parts intended to be applied on a packaging container so that the parts are easy to handle and cannot be deformed in the event of unsuitable storage. The method also makes it possible for the applicator to operate with continuous and even advancement of the parts which are correctly oriented, and, as a result the applicator may be run at higher speed.
The present invention should not be considered as restricted to that described above and shown on the Drawings, many modifications being conceivable without departing from the spirit and scope of the appended Claims.
Claims (10)
1. A method of distributing and preparing opening devices to be applied to packaging containers, the method comprising:
extruding opening devices which are in an open position and connected to one another to form rows of opening devices, each of said opening devices comprising a pouring part and a closure part;
closing said opening devices so that said closure parts are in a closed position over said pouring parts;
positioning at least two rows of said opening devices adjacent one another; and joining at least some of the opening devices in said at least two rows to form a web of opening devices.
extruding opening devices which are in an open position and connected to one another to form rows of opening devices, each of said opening devices comprising a pouring part and a closure part;
closing said opening devices so that said closure parts are in a closed position over said pouring parts;
positioning at least two rows of said opening devices adjacent one another; and joining at least some of the opening devices in said at least two rows to form a web of opening devices.
2. The method of claim 1, wherein said step of extruding opening devices includes extruding opening devices wherein at least two of the opening devices in one row include a projection, and said joining step includes joining the projections on the opening devices in said one row to the opening devices in a neighboring row.
3. The method of claim 1, wherein said extruding step includes extruding opening devices wherein two outermost opening devices at each end of at least one row of opening devices are provided with projections and said joining step includes joining the projections on the two outermost opening devices at each end of the at least one row of opening devices to the opening devices in a neighboring row.
4. The method of claim 2, wherein said step of joining is performed by welding.
5. The method of claim 2, wherein said extruding step includes extruding opening devices having projections which are formed with an indication of fracture for separating the opening devices from opening devices in neighboring rows.
6. The method of any one of claims 1 to 5, wherein said closing step includes closing the pouring parts by a snap-in closure on the closing part.
7. The method of any one of claims 1 to 6, wherein said joining is performed by ultrasonic welding.
8. A method of distributing and preparing opening devices to be applied to packaging containers, the method comprising:
extruding at least two rows of opening devices with each row having an orientation, each of said rows comprising a plurality of opening devices connected together, said opening devices each including a pouring part and a closure part connected to the pouring part by a connecting means;
reversing the orientation of one of the at least two rows of opening devices;
closing said opening devices by folding each of the opening devices along the connecting means;
positioning said at least two rows of said opening devices adjacent one another;
joining said at least two rows of said opening devices by welding to form a sheet of opening devices; and placing said sheet of opening devices in a holding device.
extruding at least two rows of opening devices with each row having an orientation, each of said rows comprising a plurality of opening devices connected together, said opening devices each including a pouring part and a closure part connected to the pouring part by a connecting means;
reversing the orientation of one of the at least two rows of opening devices;
closing said opening devices by folding each of the opening devices along the connecting means;
positioning said at least two rows of said opening devices adjacent one another;
joining said at least two rows of said opening devices by welding to form a sheet of opening devices; and placing said sheet of opening devices in a holding device.
9. The method of claim 8, wherein said extruding step includes extruding opening devices wherein two outermost opening devices at each end of said at least one row of opening devices are provided with projections.
10. The method of claim 9, wherein the joining step includes joining the projections in one row to the opening devices in a neighboring row by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002135218A CA2135218C (en) | 1994-11-07 | 1994-11-07 | Method of distributing objects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002135218A CA2135218C (en) | 1994-11-07 | 1994-11-07 | Method of distributing objects |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2135218A1 CA2135218A1 (en) | 1996-05-08 |
| CA2135218C true CA2135218C (en) | 2005-05-17 |
Family
ID=4154618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002135218A Expired - Lifetime CA2135218C (en) | 1994-11-07 | 1994-11-07 | Method of distributing objects |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2135218C (en) |
-
1994
- 1994-11-07 CA CA002135218A patent/CA2135218C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2135218A1 (en) | 1996-05-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20141107 |