EP0688718B1 - A method and a machine for inserting a plurality of components which are to be assembled to form a toy in a generally egg-shaped case - Google Patents
A method and a machine for inserting a plurality of components which are to be assembled to form a toy in a generally egg-shaped case Download PDFInfo
- Publication number
- EP0688718B1 EP0688718B1 EP95109377A EP95109377A EP0688718B1 EP 0688718 B1 EP0688718 B1 EP 0688718B1 EP 95109377 A EP95109377 A EP 95109377A EP 95109377 A EP95109377 A EP 95109377A EP 0688718 B1 EP0688718 B1 EP 0688718B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- components
- sheet
- heat
- shrinkable material
- station
- 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
Links
- 238000000034 method Methods 0.000 title claims description 8
- 238000012546 transfer Methods 0.000 claims description 30
- 239000002654 heat shrinkable material Substances 0.000 claims description 22
- 238000003466 welding Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000000151 deposition Methods 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 description 4
- 235000013601 eggs Nutrition 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 235000019219 chocolate Nutrition 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Images
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
- B65B7/00—Closing containers or receptacles after filling
- B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
- B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
-
- 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
- B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
- B65B35/30—Arranging and feeding articles in groups
- B65B35/54—Feeding articles along multiple paths to a single packaging position
-
- 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
- B65B53/00—Shrinking wrappers, containers, or container covers during or after packaging
- B65B53/02—Shrinking wrappers, containers, or container covers during or after packaging by heat
- B65B53/06—Shrinking wrappers, containers, or container covers during or after packaging by heat supplied by gases, e.g. hot-air jets
Definitions
- the present invention relates to a method and to a machine for inserting a plurality of components which are to be assembled to form a toy in a generally egg-shaped case formed by two half-shells.
- the object of the present invention is to provide a method and a machine which can insert the components in their cases automatically even when the components together take up a considerable portion of the space available in the case.
- this object is achieved by a method and a machine having the characteristics which form the subjects of Claims 1 and 2.
- the present invention is based on the concept of transforming the gift constituted by several distinct components into a single unit by binding the various components with a sheet of heat-shrinkable material which is first welded so as to wrap the various components and is then heated, packing the components close together (as an example see GB-A-934 389).
- the group of bound components can thus be treated as an independent body the insertion of which in one of the half-shells of the case is greatly simplified in comparison with the insertion of several loose components.
- a sheet 1 of heat-shrinkable plastics material (for example PVC) is cut to the desired length and constitutes a substrate on which the components 2a, 2b, 2c, etc., are placed in a predetermined sequence.
- the sequence in which the components are deposited on the sheet 1 and their relative positions are determined in dependence on the shapes and sizes of the components and remain the same for all toys of the same type.
- the group of components bound by the sheet 1 of heat-shrinkable material is then inserted between the two half-shells 4, 6 constituting the case.
- the machine generally indicated 10, comprises a plurality of parallel belt conveyors 12a, 12b, ... 12f, each of which supplies components of a particular type 2a, 2b, ... 2f in the direction indicated by the arrows 14 in Figure 2.
- a station 16 for the supply of a sheet of heat-shrinkable material can be distinguished a station 16 for the supply of a sheet of heat-shrinkable material, a plurality of stations 18a, 18b, ... 18f which load the components 2a-2f onto the sheet 1 of heat-shrinkable material, a welding station 20 and a heating station 22.
- a device 24 which picks up the group of components bound together by the sheet 1 of heat-shrinkable material and inserts it in the half-shells of the case which are supplied by a conveyor 25.
- a plurality of transfer members 26 is movable in steps along the line 15 in the direction indicated by the arrows 28 in Figure 2.
- the transfer members 26 are spaced uniformly along the line 15 and, if the distance between two adjacent stations is not equal to the distance between two adjacent transfer members (as is the case for the distances between the loading stations 18a-18f), it is equal to an integer multiple of the spacing of the transfer members 26.
- the machine 10 comprises a straight guide 30 along which a motor-driven chain 32, to which the transfer members 26 are fixed, is movable.
- Each transfer member 26 has an upper horizontal surface 34 in which a seat 36 opens for receiving the components 2a-2f.
- the profile of the seat 36 is of a shape corresponding to that produced by a section taken in a plane extending through the larger axis of symmetry of the case in which the components 2a-2f are to be inserted.
- the base of the seat 36 is formed by a piston 38 which is movable relative to the transfer member 26 in the directions indicated by the double arrow 40. The movement of the piston 38 relative to the transfer member 26 is brought about by the reaction of a projecting element 42 thereof on a fixed profile 44 extending parallel to the direction of movement of the transfer members 26.
- each transfer member 26 has a suction hole which puts the seat 36 into communication with a pipe 46 connected to a vacuum source by means of a rotary distributor (not shown).
- Each transfer member 26 also has a series of grooves 48 disposed transverse the direction of movement of the member 26 and communicating with the seat 36.
- the transfer members 26 which are moved by means of the motor-driven chain 32, advance in steps and remain stationary at each station for the time necessary for the execution of the operative steps described in detail below.
- a transfer member 26 If a transfer member 26 is followed in its movement along the line 15, it first comes to the station 16 for the supply of a sheet of heat-shrinkable material ( Figure 2). In the station 16 there is a reel 50 on which a strip of heat-shrinkable material is wound. When the transfer member 26 stops in the station 16, the end of the strip is placed on the surface 34 of the transfer member 26 by a conventional linear actuator (not shown).
- the strip is then cut along the line indicated 52 in Figure 2.
- the sheet 1 which remains on the transfer member 26 is restrained by the vacuum inside the cavity 36.
- the transfer members 26 are constantly connected to a vacuum source by means of respective flexible pipes 46 and by means of a rotary distributor which prevents the pipes 46 from becoming twisted during the movement of the transfer members 26 along the closed loop of the chain 32.
- the transfer member 26 is brought to the loading stations 18a-18f.
- a pneumatic actuator 54a-54f carrying, at its end, suction cup means 56a-56f which are movable between a position for picking up a component 2a-2f and a position for depositing the component on the sheet 1 in the seat 36 of the transfer member 26.
- the positions and the sequence in which the components are deposited are established in a manner such as to reduce the size of the group of components to a minimum. It is important to note that the loading stations 18a-18f can achieve a high degree of repeatability in the composition of the pack of components, ensuring that the final dimensions of the finished pack of components fall within quite tight tolerance margins.
- the transfer member 26 upon completion of the loading of the components, the transfer member 26 is brought to the welding station 20.
- this station there are two positioning members 58 for clamping together the ends of the sheet 1 which project from the seat 36 perpendicular to the upper surface 34 of the transfer member.
- the positioning members 58 are movable towards one another transverse the direction of movement of the transfer member 26 and have prongs 60 which are inserted in the grooves 48 of the transfer member 26.
- a pair of heating elements 62 comes into action clamping together and welding the close-together edges of the sheet 1.
- the transfer member 26 upon completion of the welding, is brought to the heating station 22 and is placed adjacent a supply spout 64 which sends a jet of hot air at about 300°C onto the group of components wrapped in the sheet 1 of heat-shrinkable material.
- the supply spout 64 is shaped so as partially to surround the group of components to improve heat-exchange efficiency.
- the temperature of the hot-air jet is quite high since the time for which the transfer member 26 remains in the heating station is very short (no more than a few seconds) and it is necessary for sufficient heat to be transferred to the sheet 1 of heat-shrinkable material to shrink the sheet so as to pack the components close together within this limited time.
- the transfer member 26 reaches the end of the line where the group of components enclosed by the sheet of heat-shrinkable material is urged out of the seat 36 by the piston 38.
- the group of components can thus be picked up by the gripping device 24 which has a movable pincer 70 for gripping the group of components and inserting it in a half-shell which is supplied by a conveyor 25 ( Figure 2) synchronized with the line for preparing the pack of components.
- the machine according to the invention prevents all the problems of hygiene connected with manual handling of the components, which is of particular value in view of the fact that the components are then inserted in a food product intended for children.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
- Toys (AREA)
- Packages (AREA)
- Confectionery (AREA)
- Container Filling Or Packaging Operations (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
Description
The present invention relates to a method and to a
machine for inserting a plurality of components which are
to be assembled to form a toy in a generally egg-shaped
case formed by two half-shells.
In the confectionery industry small, hollow chocolate
eggs containing gifts enclosed in generally egg-shaped
cases which take up almost the entire space in the cavity
of the egg are very widespread. The gifts are often
constituted by toys which can be assembled from a certain
number of components (normally up to eight different
components).
In order to produce better quality gifts, it is desirable
to make the components as large as possible to make
maximum use of the space in the case. However, this
considerably complicates the packaging of the gifts, that
is, the operation of inserting the various components in
the generally egg-shaped case. Whereas with smaller
gifts composed of a smaller number of components it was
possible to produce automatic machines which inserted the
unitary gifts or the various components inside the case,
with larger toy gifts constituted by larger numbers of
components, a machine which can automatically package the
gifts is not yet available and the packaging has to be
done manually with considerable labour costs.
The object of the present invention is to provide a
method and a machine which can insert the components in
their cases automatically even when the components
together take up a considerable portion of the space
available in the case.
According to the invention, this object is achieved by a
method and a machine having the characteristics which
form the subjects of Claims 1 and 2.
The present invention is based on the concept of
transforming the gift constituted by several distinct
components into a single unit by binding the various
components with a sheet of heat-shrinkable material which
is first welded so as to wrap the various components and
is then heated, packing the components close together
(as an example see GB-A-934 389).
The group of bound components can thus be treated as an
independent body the insertion of which in one of the
half-shells of the case is greatly simplified in
comparison with the insertion of several loose
components.
Further characteristics and advantages of the present
invention will become clear in the course of the
following detailed description given purely by way of
non-limiting example, with reference to the appended
drawings, in which:
With reference initially to Figures 7-11, the method of
binding several components which are intended to form a
generic toy and packing them close together will now be
described.
A sheet 1 of heat-shrinkable plastics material (for
example PVC) is cut to the desired length and constitutes
a substrate on which the components 2a, 2b, 2c, etc., are
placed in a predetermined sequence. The sequence in
which the components are deposited on the sheet 1 and
their relative positions are determined in dependence on
the shapes and sizes of the components and remain the
same for all toys of the same type.
When the components 2 have been deposited on the sheet 1,
the opposite ends of the sheet 1 are raised (as shown in
Figure 9). After this, the ends of the sheet 1 are
placed close together and welded together (as shown in
Figure 10) so as to wrap the components. Upon
completion of the welding, the various components are
held quite firmly but the group of components is not yet
compact enough to be treated as a unitary body. Upon
completion of the welding, a step for heating the group
is consequently carried out (Figure 11) to shrink the
sheet of heat-shrinkable material 1 to a predetermined
extent. The various components are thus packed close
together and reach and maintain a stable overall shape
which approximates as closely as possible to the shape of
a generally egg-shaped case which is intended to house
them.
The group of components bound by the sheet 1 of heat-shrinkable
material is then inserted between the two
half-shells 4, 6 constituting the case.
An automatic machine for putting the method just
described into practice will now be described with
reference to Figures 1-6.
With reference initially to Figures 1 and 2, the machine,
generally indicated 10, comprises a plurality of parallel
belt conveyors 12a, 12b, ... 12f, each of which supplies
components of a particular type 2a, 2b, ... 2f in the
direction indicated by the arrows 14 in Figure 2.
Along a line for packaging the components 2a-2f,
indicated 15 in Figure 2, can be distinguished a station
16 for the supply of a sheet of heat-shrinkable material,
a plurality of stations 18a, 18b, ... 18f which load the
components 2a-2f onto the sheet 1 of heat-shrinkable
material, a welding station 20 and a heating station 22.
At the end of the line 15 is a device 24 which picks up
the group of components bound together by the sheet 1 of
heat-shrinkable material and inserts it in the half-shells
of the case which are supplied by a conveyor 25.
A plurality of transfer members 26 is movable in steps
along the line 15 in the direction indicated by the
arrows 28 in Figure 2. The transfer members 26 are
spaced uniformly along the line 15 and, if the distance
between two adjacent stations is not equal to the
distance between two adjacent transfer members (as is the
case for the distances between the loading stations 18a-18f),
it is equal to an integer multiple of the spacing
of the transfer members 26.
With reference to Figure 3, the machine 10 comprises a
straight guide 30 along which a motor-driven chain 32, to
which the transfer members 26 are fixed, is movable.
Each transfer member 26 has an upper horizontal surface
34 in which a seat 36 opens for receiving the components
2a-2f. The profile of the seat 36 is of a shape
corresponding to that produced by a section taken in a
plane extending through the larger axis of symmetry of
the case in which the components 2a-2f are to be
inserted. The base of the seat 36 is formed by a piston
38 which is movable relative to the transfer member 26 in
the directions indicated by the double arrow 40. The
movement of the piston 38 relative to the transfer member
26 is brought about by the reaction of a projecting
element 42 thereof on a fixed profile 44 extending
parallel to the direction of movement of the transfer
members 26.
The piston 38 of each transfer member 26 has a suction
hole which puts the seat 36 into communication with a
pipe 46 connected to a vacuum source by means of a rotary
distributor (not shown). Each transfer member 26 also
has a series of grooves 48 disposed transverse the
direction of movement of the member 26 and communicating
with the seat 36.
As already stated above, the transfer members 26 which
are moved by means of the motor-driven chain 32, advance
in steps and remain stationary at each station for the
time necessary for the execution of the operative steps
described in detail below.
If a transfer member 26 is followed in its movement along
the line 15, it first comes to the station 16 for the
supply of a sheet of heat-shrinkable material (Figure 2).
In the station 16 there is a reel 50 on which a strip of
heat-shrinkable material is wound. When the transfer
member 26 stops in the station 16, the end of the strip
is placed on the surface 34 of the transfer member 26 by
a conventional linear actuator (not shown).
The strip is then cut along the line indicated 52 in
Figure 2. The sheet 1 which remains on the transfer
member 26 is restrained by the vacuum inside the cavity
36. In fact, as explained with reference to Figure 3,
the transfer members 26 are constantly connected to a
vacuum source by means of respective flexible pipes 46
and by means of a rotary distributor which prevents the
pipes 46 from becoming twisted during the movement of the
transfer members 26 along the closed loop of the chain
32.
Still with reference to Figure 2, after receiving the
sheet 1 of heat-shrinkable material, the transfer member
26 is brought to the loading stations 18a-18f. In each
of these stations there is a pneumatic actuator 54a-54f
carrying, at its end, suction cup means 56a-56f which are
movable between a position for picking up a component 2a-2f
and a position for depositing the component on the
sheet 1 in the seat 36 of the transfer member 26. The
positions and the sequence in which the components are
deposited are established in a manner such as to reduce
the size of the group of components to a minimum. It is
important to note that the loading stations 18a-18f can
achieve a high degree of repeatability in the composition
of the pack of components, ensuring that the final
dimensions of the finished pack of components fall within
quite tight tolerance margins.
With reference now to Figure 4, upon completion of the
loading of the components, the transfer member 26 is
brought to the welding station 20. In this station
there are two positioning members 58 for clamping
together the ends of the sheet 1 which project from the
seat 36 perpendicular to the upper surface 34 of the
transfer member. The positioning members 58 are movable
towards one another transverse the direction of movement
of the transfer member 26 and have prongs 60 which are
inserted in the grooves 48 of the transfer member 26.
After the ends of the sheet 1 of heat-shrinkable material
have been placed close together, a pair of heating
elements 62 comes into action clamping together and
welding the close-together edges of the sheet 1.
With reference now to Figure 5, upon completion of the
welding, the transfer member 26 is brought to the heating
station 22 and is placed adjacent a supply spout 64 which
sends a jet of hot air at about 300°C onto the group of
components wrapped in the sheet 1 of heat-shrinkable
material. The supply spout 64 is shaped so as partially
to surround the group of components to improve heat-exchange
efficiency. The temperature of the hot-air jet
is quite high since the time for which the transfer
member 26 remains in the heating station is very short
(no more than a few seconds) and it is necessary for
sufficient heat to be transferred to the sheet 1 of heat-shrinkable
material to shrink the sheet so as to pack the
components close together within this limited time.
Finally, with reference to Figure 6, after the heating
station, the transfer member 26 reaches the end of the
line where the group of components enclosed by the sheet
of heat-shrinkable material is urged out of the seat 36
by the piston 38. The group of components can thus be
picked up by the gripping device 24 which has a movable
pincer 70 for gripping the group of components and
inserting it in a half-shell which is supplied by a
conveyor 25 (Figure 2) synchronized with the line for
preparing the pack of components.
It will be appreciated that the machine according to the
invention prevents all the problems of hygiene connected
with manual handling of the components, which is of
particular value in view of the fact that the components
are then inserted in a food product intended for
children.
Claims (7)
- A method of inserting a plurality of components (2a-2f) which are to be assembled to form a toy in a generally egg-shaped case formed by two half-shells, comprising the following steps, in order:the components (2a-2f) are placed on a sheet (1) of heat-shrinkable material in a predetermined sequence,the opposite ends of the sheet (1) are welded together so as to wrap the components (2a-2f),the sheet (1) is heated so as to be shrunk to a predetermined extent causing the components (2a-2f) to be packed close together, andthe group of components bound together by the sheet (1) of heat-shrinkable material is inserted in one of the half-shells of the case.
- A machine for inserting a plurality of components (2a-2f) which are to be assembled to form a toy in a generally egg-shaped case formed by two half-shells, comprising:a station (16) for supplying a sheet (1) of heat-shrinkable material,a plurality of stations (18a-18f) for loading components (2a-2f) in a predetermined sequence onto the sheet (1),a welding station (20) for joining the opposite ends of each sheet (1) so as to wrap the components (2a-2f),a heating station (22) in which the heat-shrinkable material undergoes shrinkage which packs the components (2a-2f) close together,a plurality of transfer members (26) movable in steps along a path extending through the stations (16-22), anda gripping device (24) for picking up the group of components (2a-2f) bound together by the sheet (1) of heat-shrinkable material and inserting the group in one of the half-shells of the case.
- A machine according to Claim 2, characterized in that each of the transfer members (26) has a seat (36) in which a respective sheet (1) of heat-shrinkable material is restrained by suction means connected to a vacuum source.
- A machine according to Claim 2, characterized in that each of the loading stations (18a-18f) comprises an actuator (54a-54f) having gripping means (56a-56f) movable between a position for picking up components (2a-2f) and a position for depositing components (2a-2f).
- A machine according to Claim 3, characterized in that the welding station (20) comprises a pair of heating elements (62) which can clamp together the end portions of a sheet (1) of heat-shrinkable material projecting from the seat (36) in the respective transfer member (26).
- A machine according to Claim 5, characterized in that the welding station (20) has positioning means (58) for placing the projecting portions of the sheet (1) of heat-shrinkable material close together before the welding is carried out.
- A machine according to Claim 2, characterized in that the heating station (22) comprises a hot-air supply spout (64) shaped so as at least partially to surround the group of components (2a-2f) enclosed in the sheet (1) of heat-shrinkable material.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT94TO000507A IT1266030B1 (en) | 1994-06-17 | 1994-06-17 | PROCEDURE AND MACHINE FOR INSERTING A PLURALITY OF COMPONENTS INTENDED FOR |
| ITTO940507 | 1994-06-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0688718A1 EP0688718A1 (en) | 1995-12-27 |
| EP0688718B1 true EP0688718B1 (en) | 1998-09-02 |
Family
ID=11412614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95109377A Expired - Lifetime EP0688718B1 (en) | 1994-06-17 | 1995-06-16 | A method and a machine for inserting a plurality of components which are to be assembled to form a toy in a generally egg-shaped case |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0688718B1 (en) |
| DE (1) | DE69504426T2 (en) |
| ES (1) | ES2124465T3 (en) |
| IT (1) | IT1266030B1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006092451A1 (en) * | 2005-03-02 | 2006-09-08 | Discapa, Sl | Installation and method for filling, assembling and sealing capsules and support element and capsule suitable for one such installation |
| US8438819B2 (en) | 2005-03-10 | 2013-05-14 | Reckitt Benckiser N.V. | Process for the preparation of a package containing compacted composition and the package obtained with this process |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB934389A (en) * | 1961-01-26 | 1963-08-21 | Union Carbide Corp | Improvements in and relating to packaging articles |
| US3527015A (en) * | 1968-10-07 | 1970-09-08 | Lilly Co Eli | Method and apparatus for filling capsules |
| US3707825A (en) * | 1970-12-23 | 1973-01-02 | Hanes Corp | Hosiery packaging machine |
-
1994
- 1994-06-17 IT IT94TO000507A patent/IT1266030B1/en active IP Right Grant
-
1995
- 1995-06-16 EP EP95109377A patent/EP0688718B1/en not_active Expired - Lifetime
- 1995-06-16 ES ES95109377T patent/ES2124465T3/en not_active Expired - Lifetime
- 1995-06-16 DE DE69504426T patent/DE69504426T2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ITTO940507A0 (en) | 1994-06-17 |
| IT1266030B1 (en) | 1996-12-16 |
| DE69504426T2 (en) | 1999-01-28 |
| EP0688718A1 (en) | 1995-12-27 |
| ES2124465T3 (en) | 1999-02-01 |
| ITTO940507A1 (en) | 1995-12-17 |
| DE69504426D1 (en) | 1998-10-08 |
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| 17Q | First examination report despatched |
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