JP2010514633A - Pasty food packaging equipment - Google Patents

Abstract

The invention provides an apparatus (10) for packaging a pasty food product such as processed cheese, stock cubes, butter, margarine and the like, by wrapping each product in a respective wrapper. The apparatus comprises a mounting frame (12), means (14) for feeding the packages being formed and application means (16) for applying the cover sheets on the packages and which in turn comprise means (18) for mounting a respective roll of material (19). The means (18) for mounting the roll of material (19) are located on the side of the feed means (14) opposite the mounting frame (12) so as to maximize accessibility and facilitate the work of personnel in charge.

Description

  The present invention relates to an apparatus for packaging a product, and in particular, is used for packaging pasty foods such as processed cheese, solid soup, butter, margarine, etc., which are preferably packaged with an appropriate packaging material. Relates to the device.

  However, the device can also be used to package products that are semi-liquid, solid or semi-solid (eg, in the form of a product such as a portion of aged cheese).

  In particular, a packaging device for pasty food such as a portion of process cheese is well known, an installation frame, a means for supplying a packaged product to be formed, an affixing means for attaching a covering sheet to the packaged product, And the means for attaching comprises means for attaching a roll of material used to make the cover sheet, these means being provided in difficult-to-access positions and associated with the roll change. This makes it difficult to perform the sanitization process, and an operator who takes charge of these operations spends a lot of time on the work.

  Another drawback of the above prior art devices is that the covering sheet application means is overly complex and unwieldy, making it difficult to install and introduce into a packaging machine.

  Another disadvantage of the prior art for packaging pasty foods such as processed cheese is that small parts can fall into loosely formed packages that can lead to serious problems.

  It is equipped with a packaging device for use in particularly pasty foods such as processed cheese, solid soup, butter, margarine, etc., preferably packaged with a suitable packaging material. This apparatus comprises an installation frame, means for supplying a packaged article to be formed, and a sticking means for attaching a covering sheet to the packaged article, and means for attaching a covering sheet material roll on the opposite side of the supply means from the installation frame Is arranged.

  This makes it very easy to access the area to which the roll of material used to form the cover sheet is attached, allowing the operator to quickly and easily replace the old roll with a new roll.

  Other advantages of the invention are set out in the other claims.

  The present invention further comprises an advantageous covering sheet applicator used in connection with the apparatus of the present invention.

  Furthermore, the present invention includes an advantageous fastening member.

1 is a perspective view of a preferred embodiment of the apparatus of the present invention. It is a top view of the Example of the apparatus of this invention, Comprising: The covering sheet cutting area | region and the motion of the covering sheet in the vicinity of this area | region are shown. It is a top view of this apparatus, Comprising: The Example of the coating sheet sticking apparatus is shown. It is a top view of this apparatus, Comprising: The Example of the coating sheet sticking apparatus is shown. It is a top view of this apparatus, Comprising: The detail of the support and moving means of a coating sheet in a cutting | disconnection area | region is shown. It is a side view of a covering sheet supporting and moving means, and shows a covering sheet folding means in a preferred embodiment of the covering sheet affixing device. It is a side view of the covering sheet bending means in the Example of a covering sheet sticking apparatus, Comprising: A part is shown with the cross section. It is a side view of the covering sheet bending means in the Example of a covering sheet sticking apparatus, Comprising: A part is shown with the cross section. It is a top view of the means which drives the covering sheet bending means in a present Example, Comprising: One part is shown with the cross section. FIG. 4 is a cross-sectional view of the apparatus showing means for driving a lateral slider for positioning the covering sheet at the position of the means for supplying the packaged article to be formed. FIG. 4 is a cross-sectional view of the apparatus showing a second slider for supplying the package to respective positions of the means for supplying the package to be formed. It is a side view of the means which arrange | positions a coating sheet on the pocket which supplies the packaged article formed, Comprising: One part is shown with the cross section. The perspective view from the upper part of the means which spaces apart the upper flap of a packaged product from the moment the covering sheet is arrange | positioned on a packaged product. The perspective view from the lower part of the means which spaces apart the upper flap of a packaged article. The figure which shows in detail one part of the Example of the means to space apart the upper flap of a packaged article in non-operation conditions. The figure which shows the means to space apart the upper flap of a packaged article in the operating condition which arrange | positions a covering sheet. The figure which shows the 1st Example of the fastening member which fastens a different component integrally. The figure which shows the 2nd Example of the fastening member which fastens a different component integrally.

  The accompanying figures show a preferred embodiment 10 of an apparatus for packaging products (especially pasty foods).

  The apparatus is particularly suitable for packaging processed cheese, but can also be used to package solid soup stock, butter, margarine and the like.

  The apparatus can also be configured to be suitable for use in packaging semi-liquid, solid or semi-solid (eg, in the form of a ripened cheese portion).

  The device wraps the product in a packaging material made from a film, in particular a film in the form of a plastic film or aluminum foil. The packaging film is preferably made from a foldable material, ie a material that retains the folded shape.

  The packaging material is a sheet obtained from film B and cut into a suitable shape, which is folded in particular in the shape of a cup so as to form a container suitable for the product.

  The package has, in addition to a sheet of plastic, aluminum foil or other material, optionally a means for opening the packaging material, preferably at least one plastic tape, and a label is applied to the outside of the packaging material. Sometimes. However, it will be appreciated that the apparatus can also be used to form unwrapped means and unlabeled packages.

  The finished package can be triangular, fan-shaped from a circle, square, or any other desired shape as shown.

  The package also includes a cover sheet made of plastic or aluminum foil or other material, which cover sheet is designed to close the cup-shaped container after the product to be packaged is packed. In practice, a covering sheet having a profile substantially the same as that of the container is placed on the product, and the upper flap or protrusion of the container is folded and attached to the covering sheet to complete the packaged product.

  As shown, the apparatus 10 comprises an installation frame 12 and operating means designed to form a package by integrating or assembling different components, the operating means being each driving means. (Not shown in detail in the attached figures).

  Although not described in detail, the operating means of the device can be of the type described in the same applicant's international patent application PCT / IB2007 / 002843, which is referred to in this application as a reference. Become.

  Advantageously, the installation frame 12 defines partitioning means 120 extending in the longitudinal direction along the device, i.e. the direction in which the package to be formed is supplied, by means of this partitioning means 120 from each drive means. The operating means can be installed at a separated position.

  Therefore, the operating means for forming the package and the driving means are completely separated. This allows the operator in charge of the operation of the mechanical device to easily access the operating components from the other side of the device with the drive element on one side of the device, thus providing access to packaging hygiene and device components. Clearly advantageous in terms of ease of operation.

  In this way, a lot of time can be saved because the workers maintaining the machine do not have to move from one place to another as was done with prior art machines.

  Furthermore, the device is very easy to clean and the device can be sanitized quickly and easily.

  The partition means is advantageously realized as a longitudinal wall 120 extending linearly as shown in FIG. 1, and is configured such that an operator standing beside the apparatus stands on the front of the operation means of the apparatus. .

  As shown, the frame 12 further comprises an upstream lateral wall 121, a downstream lateral wall 122 and a protective top wall 123. Obviously, the operating area in which the package is formed may be completed by covering it with a door or other panel, preferably made of a transparent material.

  Also, means 124, 125, 126 for supporting the frame are provided on the floor, and these means 124, 125, 126 project laterally from the partition means 120 and extend below the operation means of the apparatus. .

  The wall 120 is provided with a plurality of holes (not shown in detail in the figure) formed in the wall, and through each of these holes, the operating means for forming the package is the other of the longitudinal walls 120. Are connected to respective driving means on the side (not shown). A shaft or other suitable transmission means for each drive element extends through these holes.

  Thus, as shown, at least one portion 120 of the installation frame 12 of the device extends in the height or vertical direction along the means 14 for supplying the package to be formed.

  The supply means 14 comprises a plurality of pockets 15 arranged in transverse and longitudinal rows that are advanced on an endless belt. In the preferred embodiment of the device described, each lateral row consists of four pockets 15.

  The operation means of the apparatus includes means 5 for assembling the elements of the packaged goods in the direction of supply of the packaged goods, means 6 for folding the packaging material into a cup shape, means 7 for conveying the product P, and immediately downstream of this means 7 with the covering sheet Affixing means 16 for adhering, a flap folding means 8 for holding the respective covering sheet immediately downstream of the means 16, and a suitable sealing means 9 for sealing the holding flap on the covering sheet downstream of the means 8 ,including.

  As mentioned above, it is advantageous to have affixing means 16 for applying the covering sheet and means 18 for attaching each single roll 19 of material used to form the covering sheet.

  The attachment means 18 of the covering sheet material roll 19 is advantageously provided on the longitudinal side or side of the supply means 14 opposite to the side facing the installation frame 12 or the partition wall 120. In particular, the roll mounting means 18 for the material 19 is provided beside the supply means 14.

  Thus, when all of the old cover sheet material has been used, the operator in charge of replacing the roll with a new one can easily access the roll 19 of cover sheet material.

  Preferably, the means for attaching the covering sheet material roll extend transversely to the longitudinal movement direction (indicated by L in FIG. 1), which is the direction in which the means 14 feeds the package to be formed. A rotating shaft 18 is provided.

  As shown in the figure, the attachment means 18 of the cover sheet material roll 19 extends at a position lower than the height of the working position of the means 14 for supplying the packaged article to be formed.

  The roll 19 is entirely attached below the package supply means, and the belt-like material or web drawn out from the roll 19 has a portion 19a extending vertically upward, and from there in a horizontal direction. It bends and travels along a path 19b in a direction opposite and parallel to the direction of travel of the packaged product to be formed.

  For this purpose, it is provided with suitable means for advancing the material 19 from which the covering sheet is made, said means supplying a web of material to suitable means for cutting out the individual covering sheets, as will be detailed below. Designed to be

  As shown in detail in FIG. 2, the cutting means 20 is provided for cutting a plurality of covering sheets from the material 19.

  Specifically, the cutting means cuts out each pair of covering sheets made of covering sheets arranged side by side in the horizontal direction.

  Advantageously, the cutting means is designed to cut the first pair of covering sheets 1, 2 and the second pair of covering sheets 3, 4 simultaneously, wherein each pair of covering sheets is Are directed in directions opposite to each other, and in the first and second pairs, the covering sheets 1 and 3 and the covering sheets 2 and 4 are directed in opposite directions, respectively.

  Accordingly, as shown particularly in FIG. 2, the respective ends 1a, 2a of the first pair of covering sheets 1, 2 having a generally triangular shape face the outside of the film 19, while the second pair of covering sheets 1, 2a. The tips 3 a and 4 a of the covering sheets 3 and 4 face the inside of the film 19.

  Actually, since the first pair of covering sheets 1 and 2 and the second pair of covering sheets 3 and 4 can be obtained from the entire corresponding portion of the material 19, unnecessary cutting waste is not produced.

  Thus, the packaging device of the present invention includes means for satisfactorily supplying the covering sheet without wasting material.

  Actually, the shape cut out by the cutting means for forming the covering sheet is defined by an arcuate bottom side and longitudinal sides that converge toward each other from both ends of the bottom side.

  As shown in the figure, the cutting means cuts out the covering sheets 1 and 2 with the respective leading ends 1a and 2a facing outward and the covering sheets 3 and 4 with the respective leading ends 3a and 4a facing inward. .

  For this purpose, the cutting means divides the longitudinally continuous covering sheets 1, 3 and the covering sheets 2, 4 along an oblique cutting line separating the respective longitudinal edges of the continuous covering sheets. cut.

  More specifically, as shown in the figure, the covering sheet cutting means 20 is disposed on the longitudinal side, that is, the side surface of the supply means 14 opposite to the side facing the installation frame 12.

  As shown in the figure, the cutting means 20 designed to cut out a plurality of covering sheets simultaneously from the material 19 is arranged beside the supply means 14.

  The cutting means 20 is attached to a vertically movable element attached to a respective rod (not shown in the accompanying drawings) and has blades having first and second cutting edges 22a, 22b, 24a, 24b, respectively. Means and these first and second cutting edges are arranged to converge with each other, and the angle formed is greater than 90 °.

  In practice, the cutting means 20 comprises a first blade having first and second cutting edges 22a, 22b, and a second blade having first and second cutting edges 24a, 24b, respectively. Therefore, these cutting blades are arranged so as to have a substantially X shape. The first cutting edge 22a of the first blade and the first cutting edge 24a of the second blade are the same as the second cutting edge 22b of the first blade and the second cutting edge 24b of the second blade. Are arranged so as to converge with each other, and the angle formed by them is smaller than 90 °.

  Furthermore, the first cutting edge 22a of the first blade is parallel to the second cutting edge 24b of the second blade, and the second cutting edge 22b of the first blade is It arrange | positions in parallel with the 1st cutting blade 24a.

  In FIG. 4, reference numeral 25 denotes a means for longitudinally cutting the film 19 upstream of the covering sheet cutting means 20, and this means 25 is a cutting edge 25a for cutting the film 19 and dividing it into two symmetrical parts. This makes it possible to separate adjacent coating sheets 1, 2 and coating sheets 3, 4 from each other. FIG. 4 shows a longitudinal cut Tl cut into the strip or web 19 by the blade 25.

  As shown in the figure, the means 25 for cutting the film 19 in the longitudinal direction to form a covering sheet is aligned with the covering sheet cutting means 20 in the longitudinal direction and opposite to the side facing the installation frame 12. The supply means 14 is arranged on the longitudinal side, that is, the side surface.

  Actually, as shown in the figure, means 25 for cutting the film 19 in the longitudinal direction to form a covering sheet is provided beside the supply means 14.

  As shown in FIGS. 4 and 5, moving means 26 and 28 are provided to move away from the cutting position in the cutting region while separating the respective covering sheets from each other, and the moving means 26 and 28 carry the packaged product to be formed. Each covering sheet is moved to a predetermined (longitudinally spaced) lateral position that coincides with the position where the covering sheet is placed or positioned on each pocket 15.

  This means for moving or separating the covering sheet moves the covering sheet in a direction opposite and parallel to the direction in which the supply means 14 advances the package to be formed, which is very advantageous in terms of the dimensions of the device. is there.

  As shown in the figure, the covering sheet moving means includes movable carriages 26, 28 arranged side by side in the lateral direction having first sites 26a, 28a and second sites 26b, 18b, respectively. It is designed to support the covering sheet.

  The first movable carriage 26 and the second movable carriage 28 move linearly in parallel with the supply means 14 at a position higher than the position where the supply means 14 advances the packaged product.

  Considering the subsequent covering sheet movement and covering sheet positioning steps, as shown in FIG. 4, the first carriage 26 and the second carriage 28 further separate the longitudinally continuous covering sheets from each other. Relative movement is advantageous.

  The first carriage 26 and the second carriage 28 are driven by transmission rods or arms 32 and 34 aligned in the vertical direction and move on the respective guide rails 30a and 30b. For this purpose, the first carriage 26 has a through-hole 35 for the drive rod or arm 34 of the second carriage as shown in FIG.

  In practice, as shown in FIG. 4, the transmission rods or arms 32 and 34 are driven by a single driving device by a rotating shaft 35a, and this rotating shaft 35a drives the arms 37 and 39. Each of the arms 37 and 39 has racks 37a and 39a for driving the rods 34 and 32, respectively.

  The rack 39a meshes with the gear 39c, and the gear 39c meshes with the rack 32a on the rod 32, while the rack 37a meshes directly with the rack 34a on the rod 34.

  By means of suction on the respective surfaces of the sites 26a, 26b of the carriage 26 and the sites 28a, 28b of the carriage 28, the covering sheet is positioned and held in place, so that this provides a means for supporting the material 19 in the cutting area. Is configured.

  As shown in FIGS. 5 to 8, it is provided with covering sheet orientation means 42, 44, 46, 48 for directing the covering sheet in the supply direction L, and in particular the lateral direction in which each pocket 15 is aligned with the position for receiving the covering sheet In this position, the covering sheet is associated with the package to be formed.

  As shown in the figure, the covering sheet orientation means includes, for each covering sheet, respective pickup means 42a, 44a, 46a, 48a and movable means 42b, 44b, 46b, 48b for attaching these pickup means. Including.

  As shown in FIGS. 5 and 6, the pickup means 42a, 44a, 46a and 48a operate on the side opposite to the side where the separating means 26 and 28 of the respective covering sheets are engaged, and the lower surface of the covering sheet is separated. It engages with the upper surface of the covering sheet while riding on the carriages 26 and 28.

  More specifically, the pickup means 42a and 44a of the first pair of covering sheets 1 and 2 and the pick-up means 46a and 48a of the second pair of covering sheets 3 and 4 rotate about their respective rotation axes. However, at this time, as indicated by the dotted arrow R in FIG. 2, the pick-up means 42a, 44a and pick-up means 46a, 48a of each pair of covering sheets rotate in directions opposite to each other, and further in the longitudinal direction. The pickup means 42a and 46a of the covering sheets 1 and 3 adjacent to each other and the pickup means 44a and 48a of the covering sheets 2 and 4 are configured to rotate in directions opposite to each other.

  Furthermore, suitable suction means for holding the covering sheet is provided on the respective opposing surfaces of the pickup means 42a, 44a, 46a, 48a.

  In particular, as shown in detail in FIG. 8, the attachment means 42 b, 44 b, 46 b, 48 b of the covering sheet pickup means 42 a, 44 a, 46 a, 48 a are simultaneously driven by the common drive means including the rack 50. Are driven by corresponding connecting rods 52 and operate on gears 42c, 44c, 46c, 48c integrated with rotating mounting shafts 42b, 44b, 46b, 48b.

  Specifically, the rack 50 drives gears 42'c and 46'c. These gears 42'c and 46'c rotate and drive the shafts 42b and 46b, and are attached to the shafts 46b and 48b. The corresponding gears 42c and 46c engaged with the gears 44c and 48c are rotated.

  As a result, all the shafts 42b, 44b, 46b, 48b to which the pickup means 42a, 44a, 46a, 48a are attached rotate simultaneously.

  The means 26, 28 for moving the covering sheet away from the cutting area are designed to separate the covering sheet in the longitudinal direction. The covering sheet orientation means 42, 44, 46, 48 for directing the covering sheet in the feeding direction are designed to separate the covering sheets in the lateral direction.

  As particularly shown in FIGS. 3A, 3B, 9 and 10, the location of the means 14 for supplying the package to be formed, in particular the respective site or pocket 15 on the package supply means 14, is shown. In this position, means 54, 56 for positioning the covering sheet are advantageously provided.

  In particular, the means 54, 56 for moving the covering sheet to the pocket 15 holding the package to be formed hold the covering sheet in the orientation previously given by the orienting means 42, 44, 46, 48. Designed to be.

  Indeed, the covering sheet is moved laterally with respect to the feeding means 14 while maintaining the previously given orientation.

  Advantageously, the means 54, 56 for moving the covering sheet to the supply means 14 comprise respective pairs of covering sheet pick-up means 54a, 54b; 56a, 58b.

  Specifically, the means for moving the cover sheet to the package supply means includes means 54a, 54b; 56a, 56b for picking up the cover sheet from the rotating means 42a, 44a, 46a, 48a, and these pick-up means 54a, 54b; 56a and 56b are engaged with the respective covering sheets on the side opposite to the side engaging with the rotating means 42a, 44a, 46a and 48a of the respective covering sheets. In particular, the covering sheet pick-up means 54a, 54b; 56a, 56b engage with the lower surface of the covering sheet.

  The means 54, 56 for moving the covering sheets to the package supply means 14 are designed to position the covering sheets on a continuous lateral row of the supplying means 14 itself, and the first pair of covering sheets Positioning on each longitudinal row and positioning a second pair of covering sheets on the longitudinal row next to the row in which the first pair of covering sheets is positioned.

  As shown in the figure, the means for moving the covering sheet to the package supply means includes respective sliders 54 and 56, which move laterally with respect to the supply means 14. , Each pair of cover sheets 3, 4 and cover sheets 1, 2 pick-up means 54a, 54b, 56a, 56b.

  Specifically, the first horizontal slider 54 and the second horizontal slider 56 are arranged in the longitudinal direction under pickup conditions, and are provided with pickup means 54a, 54b, 56a, 56b for the respective covering sheets.

  The first lateral slider 54 and the second lateral slider 56 are driven by respective driving means 58 and 60 to move in parallel with each other, and these driving means 58 and 60 are appropriately driven. Toothed belts 58a, 60a wound around pulleys 58b, 58c, 60b, 60c are provided.

  Specifically, the pulleys 58b and 58c of the first slider 54 are laterally separated by a distance shorter than the distance between the pulleys 60b and 60c of the second slider 56.

  The motor driven pulley 60b of the slider 54 is driven by a belt 57, and the belt 57 is driven by a pulley 57b attached to a shaft coaxial with the attachment shaft of the pulley 60b for the rear slider 56.

  Each drive element 58a, 60a, together with a respective means 62, 64 for a respective lateral slider 54, 56, is attached to an attachment means extending in the lateral direction of the package supply means 14.

  In particular, the means 58 for driving the lateral slider 54 are arranged substantially laterally with respect to the covering sheet cutting area, so that the covering sheet sticking device is shortened and the occupied space is reduced.

  Each lateral slider 54, 56 has a first site and a second site or surfaces 54a, 54b and surfaces 56a, 56b arranged side by side for receiving a respective covering sheet, these sites or Using the suction means provided on the surface, the respective cover sheets are held in place.

  The means 54 and 56 for positioning the covering sheet on the supply means 14 are positions extending outward from one side of the supply means 14 (at this time, the first slider 54 and the second slider 56 are A position where the covering sheet is arranged or positioned on the supply means 14 of the packaged product to be formed (in this position, the sliders are spaced apart from each other in the lateral direction above the supply means 14). And is vertically aligned with each pocket 15 in successive lateral rows).

  In practice, as described above, the covering sheet positioning means 54, 56 on the supply means 14 arranges two covering sheets on the first lateral row of the pockets 15, and at the same time the second of the pockets 15. Two other covering sheets are arranged on the two lateral rows, where the second row is located immediately upstream of the first row of pockets in the feeding direction.

  Furthermore, means 66 and 68 for arranging the covering sheet on the package to be formed are provided.

  As shown in FIG. 11, the covering sheet placement means 66 and 68 extend above the supply means 14 and is movable between the pickup position and the low position, like the horizontal sliders 54 and 56. The cover sheet is received in the pocket 15 so that the cover sheet is received at the pickup position and in contact with the upper surface of the paste-like product P at the low position (at this time, the cover sheet is held at a predetermined position). , Each covering sheet is placed between the flaps of the corresponding packaging material). At the next station of the apparatus, the flap is folded over the covering sheet.

  The positioning means 66, 68 further comprise means for receiving or picking up the covering sheet, the means being movable between a raised position and a lowered position, in which the means for positioning the covering sheet on the supply means. 54 and 56 can pass freely, and the covering sheet is picked up from the positioning means 54 and 56 in the lowered position or the intermediate position.

  Actually, when the positioning means 54 and 56 are in the position of the pocket 15, the positioning means 66 and 68 are lowered and receive or pick up the covering sheets from the positioning means 54 and 56 using the suction means. Next, when the sliders 54 and 56 return to the position for picking up another covering sheet from the rotating means 42, 44, 46 and 48, the arranging means 66 and 68 are lowered between the walls of the packaging material in the pocket 15. Then, each covering sheet is gently arranged so as to come into contact with the upper surface of the product P, and when the suction stops, the covering sheet is separated from the product P.

  In practice, the covering sheet positioning means 66, 68 are engaged with the side of the covering sheet opposite to the side on which the covering sheet positioning means 54, 56 are engaged at the position of the means for supplying the package to be formed. Specifically, it engages with the upper surface of the covering sheet.

  As shown in the figure, the covering sheet pick-up means 66a, 68a includes respective downward surfaces that engage with the covering sheet (in this surface, suction holes for holding the covering sheet are formed), The rods 66 b and 68 b are attached to the vertically movable rods 66 b and 68 b, and these rods 66 b and 68 b are driven by the single driving device 69 via the respective transmission means 70 and 71.

  Each of the covering sheet pick-up means 66a, 68a includes a pair of laterally aligned engagement surfaces (not shown in detail in the attached figures) for picking up, transporting and releasing the covering sheet.

  The covering sheet placement means 66, 68 are positioned so as to be offset from each other in the longitudinal direction, or spaced laterally on a continuous transverse row of the feeding means 14.

  Furthermore, it is advantageously provided with a covering sheet sticking device configured to be used in a device for packaging pasty foods, etc., and this sticking device is a comparison that can quickly and easily change the roll material used. It has a simple structure, can supply many covering sheets, and is easy to access for cleaning, maintenance or component adjustment purposes.

  As shown particularly in FIGS. 12 to 15, the apparatus further includes widening means 80 for holding the upper flap A of the packaging material I of the packaged product C in a wide open position.

  As shown in FIG. 7, the widening means 80 is provided on a support plate 82 made of a substantially S-shaped plate. The support plate 82 is provided with covering sheet positioning means 54 and 56, and holding / holding of packaged products. And the supply means 15.

  As shown in FIGS. 12 and 13, the flap widening means 80 simultaneously processes two packaged products arranged in the horizontal row and two packaged products arranged in the adjacent horizontal row. In order to be able to do so, a plurality of widening devices 80 are provided in a region spaced apart in the longitudinal direction.

  The widening means 80 comprises an advantageous fin means 84 which is movable between a contracted position and an expanded position, in which the package holding and supplying means 15 can be freely passed in the contracted position and in the expanded position. When the packaged product supply means 15 is stopped, it is engaged with the flap “A” of the packaged product “C” and widened.

  In particular, as shown in FIG. 14, in the contracted position, the fin means 84 is in a standing or raised position, and as shown in FIG. 15, in the extended position, the fin means 84 is in a lowered or lowered position. It is in.

  A plurality of fin means 84 are provided around an opening 83 which serves as a passage for each covering sheet pushed by each pusher or element 66, 68 so that the covering sheet is picked up and placed on the lower package C. Yes.

  As shown in the figure, the plate 82 is formed with a plurality of vertical openings 83 having a generally triangular shape, that is, a sector shape cut out from a circle.

  In particular, three fins 84 are provided so as to surround each opening 83, and these fins 84 are formed in an appropriate shape and are provided at the corresponding edge of the opening 83 at the bottom of the plate 82. It has been.

  Furthermore, a means 86 for pushing the fin means 84 to the contracted position is provided. As will be described in detail below, for each fin 84, a first pushing element and a second pushing element are laterally spaced from each other, and the corresponding engagement means or engagement surface of each fin 84 Act on.

  In particular, the pushing means 86 is in the form of a preloaded elastic means realized by a linear spring.

  Specifically, the spring means is in the form of a compression spring, and in particular, is implemented by a cylindrical coil spring (indicated by reference numeral 88).

  The spring 88 is particularly reliable and has no risk of being broken and falling into the packaged product. Avoid situations where the product must be discarded.

  It is advantageous that each spring 88 is attached to the outer peripheral side of each pin 90 so as to be coaxial with the pin 90.

  The pin 90 of the pushing means 86 is movable in the axial direction, the pin 90 is pushed to the extended position by the spring 88, and the pin 90 is moved to the drawn position by the fin 84.

  In particular, the pin 90 is movable in the axial direction between the extended position and the retracted position, and in the extended position, each fin 84 is pushed to the contracted position, and in the retracted position, it is pushed by the fin 84. At this time, as shown in FIGS. 14 and 15, the fins 84 are in the expanded position, and the respective flaps “A” of the package are widened.

  As shown in the figure, the pair of pushing means 86 and 86 acting on the respective fins 84 extend in a direction substantially perpendicular to the corresponding engagement surface, that is, the facing surface 85 of the fin means itself.

  Specifically, the pushing means 86 extends in a generally horizontal direction parallel to the mounting element 82.

  The push-in means 86 advantageously has an engagement portion or engagement surface 91a with the respective means engaging with the fin means 84.

  The engagement portion or engagement surface 91 a is defined by the front surface at the engagement end portion 91 of the pin 90 to which the spring means 88 is attached.

  As shown in the figure, the free end 91 of the pin 90 is in the form of an enlarged end, and this enlarged end is enlarged in the circumferential direction compared to the cylindrical outer peripheral surface 90 ′ of the elongated pin 90. The widened end 91 has an annular shoulder or surface 91b that engages the corresponding end 88a of the spring 88 on the opposite side of the surface 91a.

  The attachment element 82 of the means for opening the package flap A comprises an upper part 82a and a lower extending part 82b in which an elongated seat 92 is formed, the seat 92 being particularly shown in FIGS. Thus, the corresponding pins 90 are formed in the form of a horizontal cylindrical surface so that they can slide freely.

  The seat 92 has a corresponding opening 94 facing the engagement means 85 with the fin 84 and is long enough to allow axial movement of the pin 90.

  As shown in the figure, the other end 88b of the pusher spring 88 engages with a surface 95 around the inlet opening 94 of the elongated seat 92, whereby the pin 90 is slidably received.

  The fin means 84 includes a main panel 84a that engages a corresponding flap “A” of the package, and an activation panel 84b, the activation panel 84b via a connection 84c that is substantially orthogonal to the activation panel 84b. Thus, it is integrated or connected to the panel 84a engaged with the flap “A”.

  As shown in the figure, the panel 84 a that engages with the packaged product flap and the activation portion 84 b that defines the engagement surface 85 with the pushing means are separated from each other in the longitudinal direction along the pushing means 86.

  The fin means 84 further includes pivot means for pivoting the fin means 84 to the mounting element 82, which pivot means extend from the corresponding extension portions 87 a, 87 b extending laterally from the activation panel 84 b of the fin means 84. Given in form.

  This pivot means is provided in particular in the form of a first part 87a and a second part 87b extending from both ends of the activation panel, these parts being in respective engagements rotating about the mounting element 82. Define pins.

  The fins 84 include a metal sheet formed in a corresponding shape, the metal sheet being appropriately bent, the package flap engaging and widening panel 84a, the connection panel 84c, the outer portion of the activation panel 84b, Is defined.

  The activation panel 84b preferably comprises a plastic slat or block 87 and a portion of the metal sheet 84b 'surrounding the periphery.

  A slit 87 ′ is formed in the metal sheet 84 ′ b surrounding the slat 87 of the activation panel 84 b, and the pushing means 91 is engaged with the surface 85 of the plastic slat 87 by the slit 87 ′. Can do. As a result, wear of the engaging end of the pushing element can be reduced.

  A slat or plastic block 87 shaped to have an extension 87a, 87b extending from each end constitutes a pivot pin of the fin means 84.

  As shown in the figure, the panel 84a engaged with the package flap A has side edges 84′a and 84′a that converge toward the free end 84 ″ a of the fin, and a direction orthogonal to these side edges. Said free end 84 "a extending to

  The attachment element 82 constitutes means for receiving the pivot pins 87a, 87b of the fin means 84.

  In particular, the mounting element 82 includes protrusions 82b, 82b that define respective seats 82'b, 82'b that receive pins 87a, 87b through respective openings 82 "b, 82b" The protrusions 82b and 82b extend in the horizontal direction, and extend in the direction opposite to the direction in which the fins extend.

  The pivot pins 87a and 87b of the fin means are elastically held in the seat portions 82'b and 82'b.

  The fin pushing means extends radially to the opening 83 of the passage of the covering sheet to the side edge of the opening 83 and extends below the top portion 82 b of the mounting plate 82.

  Other disadvantages of general machinery and equipment, especially machines and equipment that package solid foods such as pasty, semi-liquid, semi-solid or processed cheese, include screws and the like due to vibrations and other mechanical stresses Fastening parts may come loose and fall into the product, causing serious problems.

  The device further comprises an advantageous fastening member for fastening the device itself or a frame part covering the application device for attaching the covering sheet to the package, and this fastening member is used outside this specific device. Also suitable for that.

  As shown in FIG. 16, in the example of the frame covering the covering sheet sticking device, the fastening member acts between the first component 102 and the second component 104, and the first component 102 to be fastened. Advantageous holding means 106 for holding the fastening member.

  The first part and the second part to be fastened may be, for example, a panel that forms part of a frame that covers the device.

  In fact, thanks to the holding means described above, the fastening element 100 of the fastening member is attached to the first part 102 even when the first part 102 and the second part 104 are disengaged from each other. It remains held and does not fall into the food package being manufactured.

  As shown in the figure, this fastening element comprises a fastening stem 108 which is inserted into a hole 103 formed in the first part and in particular a screw formed in the second part 104. Is inserted into the cut hole 105.

  Means 106 for holding the fastening element 100 is provided in the hole 103 formed in the first part 102.

  Specifically, the means for holding the fastening element 100 prevents the stem 108 from moving backward relative to the first part 102, in particular so that the stem 108 does not slide out of the hole 103 in the first part 102. Designed to.

  The holding means 106 is provided in the form of a fastening element, in particular means for engaging the stem 108 of the fastening element 100.

  The holding means 106 includes an inner peripheral surface 106 a which constitutes a fastening element, in particular a means for engaging with the outer peripheral surface of the stem 108.

  As shown in the figure, the inner peripheral surface 106a of the holding means 106 defines a part of the hole 103 through which the stem 108 passes. The inner peripheral surface of the holding means may constitute the entire hole 103 through which the fastening stem passes.

  The stem 108 has a front portion 110 designed to be fastened to the second part 104, which has a threaded outer peripheral surface 112.

  The rear portion 114 of the stem 108 has a smooth outer peripheral surface.

  The holding means 106 is advantageously made from a material that is less rigid than the material from which the fastening element 100 is made, in particular from a plastic material that can be deformed by the threads of the stem 108.

  The inner peripheral surface 106a of the hole is deformed by passing a rather threaded front portion of the fastening element through the hole 106a defined by the holding means 106.

  Even when the inner peripheral surface 106a is deformed, the inner peripheral surface 106a is engaged with the threaded portion 112 of the stem 108 to hold the stem 108.

  Actually, the threaded portion 112 of the stem 108 is held at a predetermined position by the inner peripheral surface 106a of the holding means in a deformed state. There is no sliding out of the hole in the first part 102.

  Advantageously, the holding means 106 is fixed to the first part 102 and in particular is glued to the first part.

  The holding means can be realized by an annular member 106 having a circular or annular inner peripheral surface 106 a, and the inner peripheral surface 106 a forms a hole through which the fastening stem 108 passes.

  The holding means 106 are advantageously housed in a seat formed on the side of the first part 102, in particular the first part facing the second part 104 to be fastened. FIG. 13 shows the seat 116.

  In practice, the seat 116 is formed to be recessed from the surface 102 ′ of the first part 102 facing the second part 104, and has an end surface 116 a and a hole outside the end surface 116 a. And a cylindrical inner peripheral surface 116 b surrounding the main body 103.

  The seat 116 does not extend through the cross section of the first part 102, and therefore the thickness of the holding means is not the same thickness as the wall of the part 102 to which the holding means is attached. .

  In particular, the holding element 106 has a rear surface 106 ′ fixed to the end of the seat and an outer peripheral surface 106 ″ fixed to the inner periphery of the recessed seat 16.

  The inner peripheral portion of the holding element 106 protrudes to the inner peripheral side from the peripheral portion forming the hole of the first component 102 to be fastened, that is, the cylindrical surface 103.

  In particular, the fastening element is realized by a screw 100 having an enlarged head 101 and a stem 108, which contacts the lateral surface 102 "of the part 102 that prevents the fastening element from further advancing. To do.

  FIG. 17 shows a second embodiment 200 of a fastening member for fastening the first part 102 to the second part 104, and for simplicity the same parts as the parts of the first embodiment are the same. Since they are indicated by reference numerals, they will not be described again in detail. In the second embodiment, the retaining stem 108 comprises a threaded front part 112 and a non-threaded rear part 114 facing the second part 104 to be fastened. The first part is engaged by a retaining element 106 protruding from the surface 102 ′ of the part 102.

  The retaining element 106 is attached at its rear face 106 'to the front face 102' of the first part. In particular, the rear face 106 ′ is glued to the front face 102 ′ around the hole 103 of the first part 102.

  In the second embodiment, the hollow disc-shaped element 106 is inserted into an enlarged area 105a formed at the inlet end of the hole 105 of the second part 104 to be fastened, but this element 106 The outer peripheral surface 106 ″ has a diameter large enough to be easily inserted.

  Similar to the first embodiment, the second embodiment includes a holding means 106 having an annular, particularly cylindrical inner peripheral surface 106a, the inner diameter of which is larger than the diameter of the hole 103 through which the holding stem 108 passes. Is also small.

  In the second embodiment, firstly, the holding means 106 is made of a plastic having a hardness lower than that of the fastening element 102. Further, as shown in FIG. It is positioned in the hole 103 so as to be coaxial with the hole 103 of the component 102, and the holding stem 108 passes through the hole of this holding means.

  In the first and second embodiments of the fastening material, the diameter of the hole 106a of the holding means is slightly smaller than the diameter of the hole 103 of the part 102 in contact with the fastening member.

  Actually, the holding means 106 prevents the screw from moving in the opposite direction and sliding out when the engagement between the second component 104 and the screw is released. On the other hand, the enlarged head 101 of the element 100 prevents the fastening element from falling off in the screwing direction, i.e. the fastening direction.

  The above-described invention can be variously changed and applied in accordance with industrial application conditions, and without departing from the scope of the gist of the present invention. Furthermore, the details of the invention may be replaced by technically equivalent elements.

Claims (164)

A packaging device (10) for pasty foods such as processed cheese, solid soup, butter, margarine, etc., preferably food, in particular preferably packaged with a suitable packaging material,
An installation frame (12), a means (14) for supplying a packaged article to be formed, and an affixing means (16) for attaching a covering sheet to the packaged article,
A packaging device (10), characterized in that a mounting means (18) for a covering sheet material roll (19) is arranged on the side of the supply means (14) opposite to the installation frame (12).   An attachment means (18) for the covering sheet material roll (19) is provided, and the means is provided on the side in the longitudinal direction of the supply means (14) opposite to the installation frame (12) side. The apparatus of claim 1.   3. A device according to claim 1, comprising attachment means (18) for the covering sheet material roll (19), said means being provided beside the supply means (14).   Premise of any one of claims 1 to 3, characterized in that it comprises means for attaching a covering sheet material roll (19), said means comprising a single shaft (18) for attaching a single roll. Device described in the section.   2. A means for attaching a covering sheet material roll (19), said means comprising a shaft (18) extending laterally of the means (14) for feeding the package to be formed. The apparatus of any one of -4 or the premise part of Claim 1.   6. The means for attaching the covering sheet material roll (19) extends at a position lower than the operating position of the means (14) for supplying the packaged article to be formed. Equipment.   2. A means for feeding a material used to make a cover sheet, said means advancing said material (19b) in a direction parallel to the feeding direction of the package to be formed. The device according to any one of claims 1 to 6 or the premise part of claim 1.   8. The apparatus according to claim 1, further comprising covering sheet cutting means (20) for cutting the covering sheet from the covering sheet material (19).   9. A device according to claim 8, characterized in that the covering sheet cutting means (20) is provided on the supply means (14) side opposite to the side facing the installation frame (12).   10. A device according to claim 9, characterized in that the covering sheet cutting means (20) is provided on the longitudinal side of the supply means (14) opposite to the side facing the installation frame (12).   The apparatus according to any one of claims 8 to 10, wherein the covering sheet cutting means (20) is provided beside the supply means (14).   12. The apparatus according to claim 8, further comprising a covering sheet cutting means (20) for simultaneously cutting a plurality of covering sheets from the covering sheet material (19).   The shape cut by the cutting means to form a covering sheet is defined by an arcuate base and longitudinal sides converging from the base toward the tip. The apparatus in any one of 8-12.   14. The apparatus according to claim 8, wherein the cutting means (20) cuts the covering sheet as a pair of covering sheets (1, 2; 3, 4).   The covering sheets (1, 2; 3, 4) in each pair of covering sheets (1, 2; 3, 4) cut out by the cutting means are directed in opposite directions to each other. 14. The apparatus according to any one of 14.   16. The cutting means according to claim 8, wherein the cutting means is designed to cut out the first pair of covering sheets (1, 2) and the second pair of covering sheets (3, 4) simultaneously. The device according to any one of the above.   17. The cutting means is designed to cut out covering sheets (1 and 3; 2 and 4) that are continuous in the longitudinal direction opposite to each other. Equipment.   18. A device according to claim 8 to 17, characterized in that the cutting means are designed to cut out the covering sheets (1, 2) with their tips facing outwards.   19. A device according to claim 8-18, characterized in that the cutting means are designed to cut out covering sheets (3, 4) whose respective tips are facing inward.   The cutting means is designed to cut the longitudinally continuous covering sheets (1, 3, 2, and 4) along an oblique cutting line that separates the respective longitudinal edges of the continuous covering sheets. 20. A device according to any of claims 8 to 19, characterized in that   21. The cutting means (20) according to any one of claims 8 to 20, characterized in that it comprises blade means having a first cutting edge (22a, 22b) and a second cutting edge (24a, 24b). Equipment.   22. A device according to claim 21, characterized in that the cutting means (20) comprises blade means having a first cutting edge (22a, 22b) and a second cutting edge (24a, 24b) that converge with each other. .   The cutting means (20) comprises blade means having a first cutting edge (22a, 22b) and a second cutting edge (24a, 24b), and the angle formed by each cutting edge is larger than 90 °. 23. The device according to claim 21, wherein the device is arranged as follows.   The cutting means includes a first blade having a respective cutting edge (22a, 22b) and at least one cutting edge (24a, 24b) substantially converging with at least one corresponding cutting edge of the first blade. 24. A device according to any one of claims 8 to 23, comprising a second blade having   The cutting means is at least one arranged so that an angle formed between the first blade having the respective cutting blades (22a, 22b) and at least one cutting blade of the first blade is smaller than 90 °. 25. A device according to any one of claims 8 to 24, characterized in that it comprises a second blade having two cutting edges (24a, 24b).   26. The apparatus according to claim 1, further comprising covering sheet moving means (26, 28) for moving the covering sheet away from the cutting position.   27. The apparatus according to claim 1, further comprising covering sheet moving means (26, 28) for moving the covering sheets away from each other.   28. The apparatus according to claim 1, further comprising covering sheet moving means (26, 28) for separating the covering sheets from each other.   29. Apparatus according to any of claims 26 to 28, wherein the covering sheet moving means comprises at least one movable carriage (26, 28).   The covering sheet moving means includes a movable carriage (26, 28) having a first site (26a, 26b) and a second site (28a, 28b) for each covering sheet. Item 30. The apparatus according to any one of Items 26 to 29.   The said covering sheet moving means is provided with the 1st movable carriage (26) and the 2nd movable carriage (28) for each coating sheet, The one of Claim 26-30 characterized by the above-mentioned. apparatus.   32. A device according to any of claims 26 to 31, characterized in that the covering sheet moving means (26, 28) move linearly.   33. Apparatus according to any of claims 26 to 32, characterized in that the covering sheet moving means (26, 28) move in a direction parallel to the supply means (14).   34. An apparatus according to any of claims 32 and 33, wherein the first carriage (26) and the second carriage (28) are relatively movable.   35. Apparatus according to any of claims 32 to 34, wherein the first and second carriages (26, 28) are designed to longitudinally separate the covering sheets from each other.   36. A device according to any of claims 32 to 35, wherein the first and second carriages (26, 28) are movable on normal guiding means (30a, 30b).   37. A device according to any of claims 32 to 36, wherein the first and second carriages (26, 28) are driven by respective transmission arms (32, 34).   38. The first and second carriages (26, 28) are driven by respective transmission arms (32, 34) aligned in a vertical direction. apparatus.   39. Either of the claims 37 and 38, wherein the first carriage (26) has a through hole (36) for the drive arm (34) of the second carriage (28). The device described in 1.   40. Apparatus according to any of claims 29 to 39, wherein the covering sheet moving carriage (26) constitutes means for supporting the covering sheet in the cutting area.   41. The apparatus according to claim 1, further comprising means (42, 44, 46, 48) for directing the covering sheet in the supply direction.   The means (42, 44, 46, 48) for directing the covering sheet in the supply direction includes, for each covering sheet, respective pickup means (42a, 44a, 46a, 48a) and movable means (42b, 44b) for attaching the pickup means. 46, 48b). 42. The apparatus of claim 41, wherein:   43. Device according to claim 42, characterized in that the pick-up means (42a, 44a, 46a, 48a) operate on the side of each covering sheet opposite to the side engaging the moving means.   44. Apparatus according to any of claims 42 and 43, wherein the pick-up means (42a, 44a, 46a, 48a) engage with the upper surface of the respective covering sheet.   45. Apparatus according to any of claims 42 to 44, comprising pick-up means (42a, 44a, 46a, 48a) for each pair of covering sheets.   46. Apparatus according to any one of claims 42 to 45, characterized in that the pick-up means (42a, 44a, 46a, 48a) for the covering sheet are rotated about their respective centers of rotation.   47. Apparatus according to any of claims 42 to 46, characterized in that the pick-up means (42a, 44a or 46a, 48a) of each pair of covering sheets are rotated in opposite directions.   48. Apparatus according to any of claims 42 to 47, characterized in that the pick-up means (42a, 46a or 44a, 48a) of the covering sheets adjacent to each other in the longitudinal direction are rotated in opposite directions.   49. Apparatus according to any of claims 42 to 48, characterized in that the means (42b, 44b, 46b, 48b) for mounting the covering sheet pick-up means (42a, 44a, 46a, 48a) are moved simultaneously.   50. Apparatus according to any of claims 42 to 49, characterized in that it comprises shared means for driving the means (42, 44, 46, 48) for moving the covering sheet to a position oriented in the feeding direction. .   51. The means (42, 44, 46, 48) for moving the covering sheet to a position oriented in the feeding direction is designed to separate the covering sheets laterally from one another. The apparatus in any one of.   52. The apparatus according to claim 1, further comprising means (54, 56) for moving the covering sheet to means (14) for supplying the packaged article to be formed. .   The means (54, 56) for moving the covering sheet to the supply means are designed to move the covering sheet laterally with respect to the means (14) for supplying the packaged article to be formed. 53. The apparatus according to claim 52.   The means (54, 56) for moving the covering sheet to the package supply means includes means (54a, 54b, 56a, 56b) for picking up each pair of covering sheets. 53. The device according to any one of 53.   The means (54, 56) for moving the covering sheet to the package supply means includes means (54a, 54b, 56a, 56b) for picking up the covering sheet from the rotating means (42, 44, 46, 48). The device according to any one of claims 52 to 54.   The means (54, 56) for moving the cover sheet to the package supply means is a cover designed to engage with each cover sheet on the opposite side of the cover sheet from the side engaging with the rotating means. 56. Apparatus according to any of claims 52 to 55, comprising sheet pick-up means (54a, 54b, 56a, 56b).   The means (54, 56) for moving the covering sheet to the package supply means includes covering sheet pickup means (54a, 54b, 56a, 56b) designed to engage with each covering sheet on the lower surface of each covering sheet. 57. The apparatus according to any of claims 52 to 56, comprising:   The means (54, 56) for moving the covering sheet to the package supply means is characterized in that it is designed to position the covering sheet on a continuous lateral row on the supplying means (14). 58. Apparatus according to any of claims 52 to 57.   59. The means (54, 56) for moving the covering sheet to the package supply means is designed to position the covering sheet on longitudinal rows parallel to each other. A device according to the above.   The means (54, 56) for moving the covering sheets to the package supply means positions the first pair of covering sheets on the longitudinal rows parallel to each other, and the first pair of covering sheets is positioned. 60. Apparatus according to any of claims 52 to 59, designed to position a second pair of covering sheets on a longitudinal row next to the row.   61. Apparatus according to any of claims 52 to 60, wherein the means for moving the cover sheet to the package supply means comprises respective sliders (54, 56).   The means for moving the covering sheet to the package supply means comprises a respective slider (54, 56) having means (54a, 54b, 56a, 56b) for picking up each pair of covering sheets. Item 62. The apparatus according to any one of Items 52 to 61.   The means (54, 56) for moving the covering sheet to the packaged product supplying means includes first and second sliders (54, 56) having means (54a, 54b, 56a, 56b) for picking up the respective covering sheets. 63. Apparatus according to any of claims 52 to 62, comprising:   64. A drive means (58, 60) for said slider, said drive means (58, 60) comprising respective drive elements (58a, 60a) extending laterally. The method of crab.   65. A means (62, 64) for guiding a respective slider (54, 56) extending laterally with respect to the means (14) for feeding the package to be formed. A device according to the above.   66. A means (58) for driving a slider (54), said means (58) being substantially laterally aligned with the covering sheet cutting region. The device described.   Each slider (54, 56) has a respective first and second face or first and second sites (54a, 54b, 56a, 56b) arranged side by side to receive a respective cover sheet. 67. Apparatus according to any of claims 52 to 66, characterized in that   Each slider (54, 56) is movable between a position outside the means (14) for supplying the packaged product to be formed and a position where the respective packaged product is formed. Item 68. The device according to any one of Items 52 to 67.   The first and second sliders (54, 56) are movable between a position outside the means (14) for supplying the package to be formed and a position at which the respective package is formed; In a position outside the means (14) for supplying the packaged product to be formed, the first and second sliders (54, 56) are aligned in the longitudinal direction with respect to each other, and the respective packaged product is formed. 69. Apparatus according to any of claims 52 to 68, characterized in that the first and second sliders (54, 56) are laterally spaced from one another.   70. Apparatus according to any one of claims 1 to 69 or the premise of claim 1, further comprising means (66, 68) for placing a covering sheet on the package to be formed.   The means (66, 68) for placing the covering sheet on the package includes covering sheet pick-up means (66a, 68a), which means (66a, 68a) picks up the covering sheet and the package to be formed. The apparatus according to claim 70, wherein the apparatus is movable between a position where the covering sheet is disposed on the article.   The means (66, 68) for disposing the covering sheet on the package includes covering sheet pick-up means (66a, 68a), the means (66a, 68a) being movable between the raised position and the lowered position. In the raised position, the means (54, 56) for positioning the covering sheet can freely pass through the position of the means for supplying the packaged product to be formed, and in the lowered position, the positioning means (54, 56). 72. An apparatus according to any one of claims 70 and 71, wherein a covering sheet is picked up from the surface.   The means (66, 68) for placing the covering sheet on the package is designed to receive the covering sheet from the covering sheet positioning means (54, 56) at the position of the respective means for supplying the package to be formed. 73. Apparatus according to any of claims 70 to 72, characterized in that   The covering sheet pick-up means (66, 68) is located on the side of each covering sheet opposite to the side engaging with the covering sheet positioning means (54, 56) at the position of the means for supplying the packaged product to be formed. 74. Apparatus according to any of claims 70 to 73, characterized in that it operates.   75. Apparatus according to any of claims 70 to 74, wherein the covering sheet pick-up means (66a, 68a) engage with the top surface of the covering sheet.   76. Apparatus according to any of claims 70 to 75, characterized in that the covering sheet pick-up means (66a, 68a) are attached to the respective rods (66b, 68b).   77. An apparatus according to any of claims 70 to 76, wherein the covering sheet pick-up means (66a, 68a) have a pair of surfaces for picking up respective covering sheets.   The covering sheet pick-up means (66a, 68a) includes a first pick-up means (66) and a second pick-up means (68) spaced apart from each other in the longitudinal direction and the lateral direction. The apparatus in any one of.   The covering sheet pick-up means comprises a first pick-up means (66) and a second pick-up means (68), which are arranged in respective horizontal rows of means (14) for supplying the packaged product to be formed. 79. Apparatus according to any one of claims 70 to 78, wherein the apparatus is aligned in a vertical direction relative to.   80. Device according to any one of claims 1 to 79 or the premise of claim 1, characterized in that it comprises means (25) for longitudinally cutting the film (19) to produce a covering sheet.   81. Apparatus according to claim 80, characterized in that the means (25) for longitudinally cutting the film (19) is arranged upstream of the covering sheet cutting means (20).   A means (25) for longitudinally cutting a film (19) to produce a cover sheet is aligned longitudinally with the cover sheet cutting means (20). The device described in 1.   The means (25) for cutting the film (19) in the longitudinal direction to form a cover sheet is provided on the longitudinal side of the supply means (14) opposite to the side facing the installation frame (12). 83. A device according to any of claims 80 to 82, wherein:   84. Apparatus according to any of claims 80 to 83, characterized in that means (25) for cutting the film (19) in the longitudinal direction to produce a covering sheet are provided beside the supply means (14).   85. Apparatus according to any of claims 8 to 84, characterized in that it comprises cutting means (20) having cutting edges arranged in a generally X shape.   The device according to any one of claims 1 to 85 or the premise part of claim 1, characterized in that it comprises means (80) for holding the upper flap (A) of the package in an expanded state.   87. Device according to claim 86, characterized in that the widening means (80) is attached to a mounting element (82) located between the covering sheet positioning means and the package holding and feeding means (15). .   The widening means (80) is movable between a contracted position and an expanded position, and in the contracted position, the package can freely pass through. In the expanded position, the widening means (80) is engaged with the flap and widened. 88. Apparatus according to any of claims 86 and 87, characterized in that   89. Apparatus according to claim 88, characterized in that the fin means (84) is raised in the retracted position.   90. Apparatus according to any of claims 88 and 89, characterized in that the fin means (84) extend downwards in the extended position.   91. Device according to any of claims 88 to 90, characterized in that it comprises pushing means (86) for pushing the fin means (84) to the retracted position.   92. Device according to claim 91, characterized in that the pushing means (86) are in the form of elastic means.   93. Device according to claim 92, characterized in that the pushing means (86) are in the form of preloaded elastic means.   95. Apparatus according to any of claims 92 to 94, characterized in that the pushing means (86) are in the form of spring means.   95. The method according to claim 94, wherein the spring means (86) comprises at least one compression spring (88).   96. Device according to claim 94, wherein said spring means (86) comprise a cylindrical helical spring (88).   99. Apparatus according to any of claims 91 to 96, wherein said pushing means comprises a pin (90).   98. Apparatus according to any of claims 92 to 97, characterized in that the elastic means (88) are attached to a pin (90).   99. Device according to claim 98, characterized in that the elastic means (88) are attached to the pin (90) so as to be coaxial with the pin (90).   99. Apparatus according to any of claims 97 to 99, wherein the pin (90) is axially movable between an extended position and a retracted position.   101. Device according to claim 100, characterized in that the pin (90) in the extended position pushes the fin means (84) to the retracted position.   A pin (90) is pushed to a retracted position by the fin means (84) when the fin means (84) is in the expanded / widened position. Equipment.   103. Apparatus according to any of claims 91 to 102, characterized in that the pushing means (86) extend in a direction substantially perpendicular to the surface (85) engaging the fin means (84).   104. Apparatus according to any of claims 91 to 103, characterized in that the pushing means (86) extend in a substantially horizontal direction.   105. Apparatus according to any of claims 91 to 104, characterized in that said pushing means (86) have portions (91a) which engage with respective fin means (84).   106. Device according to claim 105, characterized in that the pin (90) has an end (91) which engages a respective fin means (84).   107. Pushing means comprises a pin (90) having means (91b) for engaging respective ends (88a) of elastic means (88). apparatus.   The pin (90) has an enlarged end (91) that constitutes an engaging means (91b) with a corresponding end (88a) of the elastic means (88) and an engaging surface with the fin means (84). 108. The device of claim 107.   109. Device according to any of claims 91 to 108, characterized in that the pushing means comprise a pin (90) which is inserted into the elongated seat (92) of the mounting element (82).   The end (88b) of the elastic pushing means (88) is engaged with a surface (95) surrounding the inlet opening (94) of the seat (92) that houses the pin (90). 110. The apparatus of claim 109.   111. Apparatus according to any of claims 88 to 110, wherein the fin means includes a main panel (84a) that engages a respective package flap.   112. The apparatus of claim 111, wherein the fin includes an activation panel (84b) integrated with a panel (84a) that engages a respective package flap.   113. Apparatus according to any of claims 88 to 112, characterized in that the fin means (84) comprise pivot means (87a, 87b) for rotating the fin means (84) to the mounting element (82).   114. Device according to claim 113, characterized in that the pivot means comprise at least one axial extension (87a) of the fin means (84) constituting the rotating pin.   115. Apparatus according to claim 114, wherein the pivot means further comprises an axial extension (87b) opposite the fin means (84) constituting the respective rotation pin.   116. Apparatus according to any of claims 88 to 115, wherein the fin means (84) comprises a slat (87) which constitutes an activation panel (84b) of the fin means (84).   117. Apparatus according to any of claims 88 to 116, wherein the fin means comprises a metal sheet.   118. The apparatus of claim 117, wherein the metal sheet comprises a panel (84a) that engages a package flap.   119. Apparatus according to any of claims 117 and 118, characterized in that the metal sheet is integrated into a slat that constitutes an activation panel (84b) and engages a package flap.   120. Apparatus according to any of claims 87 to 119, characterized in that the mounting element (82) constitutes means for receiving a pivot pin of the fin means (84).   Device according to claim 120, characterized in that the mounting element (82) is formed with openings (82 "b, 82" b) for receiving the pivot pins of the fin means (84).   The mounting element (82) has a protruding block (82b, 82b) that constitutes a seat (82'b, 82b ') for receiving the pivot pin (87a, 87b) of the fin means (84). 122. Apparatus according to any of claims 120 and 121.   The mounting element defines an opening (82 "b, 82" b) for accessing a seat (82'b, 82'b) that receives the pivot pin (87a, 87b) of the fin means (84); 123. The apparatus of claim 122, wherein the openings extend in a horizontal direction.   The pivot pins (87a, 87b) of the fin means (84) are elastically held in the respective seats (82'b, 82'b). A device according to the above.   125. The mounting means according to claim 88, characterized in that it constitutes a respective opening (83) in the passage of the covering sheet carried by suitable means towards the holding and supply means (15) of the package. Equipment.   126. Device according to claim 125, characterized in that the fin means (84) are arranged around the opening (83).   127. Apparatus according to any of claims 125 and 126, wherein the opening (83) is formed in a generally triangular shape.   A fastening member for fastening the first part (102) to the second part (104), the fastening element (100) and means for holding the fastening element on the first part (102) to be fastened (106) The device according to any one of claims 1 to 127 or the premise of claim 1.   129. Apparatus according to claim 128, wherein the fastening element comprises a fastening stem (108).   130. The apparatus of claim 129, wherein the stem (108) is inserted into a hole (103) formed in the first portion (102).   131. Device according to any of claims 129 and 130, characterized in that the stem is inserted into a hole (105) formed in the second part (104).   132. Apparatus according to claim 131, characterized in that the hole (105) formed in the second part (104) is in the form of a threaded hole.   The holding means (106) of the fastening element (100) is provided at the position of a hole (103) formed in the first part (102). apparatus.   The holding means (106) of the fastening element (100) is designed to prevent the stem (108) from sliding out of the first part (102) through the hole (103). The apparatus according to any one of claims 128 to 133.   The holding means (106) of the tie element (100) is designed to prevent the stem (108) from moving backward relative to the first part (102). 135. The device according to any one of -134.   136. Apparatus according to any of claims 128 to 135, characterized in that the holding means (106) are in the form of means for engaging the stem (108) of the fastening member.   137. Apparatus according to any of claims 128 to 136, wherein the retaining means (106) comprises an inner peripheral surface (106a) which constitutes means for engaging the fastening element.   138. Apparatus according to any of claims 128 to 137, wherein the retaining means (106) includes an inner peripheral surface (106a) that defines a hole for a passage in the fastening stem (108).   139. Apparatus according to any of claims 128 to 138, characterized in that the fastening element comprises a stem (108) having a front part designed to connect with a first part (104) to be fastened. .   140. The apparatus of claim 139, wherein the forward portion (110) of the fastening stem (108) has a threaded outer surface (112).   141. Apparatus according to any of claims 128 to 140, wherein the fastening element comprises a stem (108) having a smooth rearward portion (114) of the outer surface.   144. Device according to any one of claims 128 to 141, characterized in that the holding means (106) are made of a material having a lower hardness than the material of the fastening element.   143. Apparatus according to any of claims 128 to 142, characterized in that the holding means (106) are made of a plastic material.   144. Apparatus according to any of claims 128 to 143, characterized in that the holding means (106) are fixed to the first part (102) to be fastened.   145. Apparatus according to claim 144, characterized in that the holding means (106) are glued to the first part (102) to be fastened.   146. Apparatus according to any of claims 128 to 145, characterized in that the holding means (106) are in the form of an annular element providing a passage hole for the stem (108).   147. Apparatus according to any of claims 128 to 146, characterized in that the holding means (106) are housed in a seat (116) formed in the first part.   The seat (116) that houses the holding means (106) is embedded in the face (102 ') of the first part (102) facing the second part (104) to be fastened. 148. The apparatus of claim 147.   159. Apparatus according to any of claims 147 and 148, characterized in that the seat (116) containing the holding means (106) does not penetrate the cross section of the first part (102).   149. Apparatus according to any of claims 128 to 149, characterized in that the holding means (106) are provided in front of the first part (102) to be fastened.   150. Apparatus according to any of claims 128 to 150, characterized in that the holding means (106) protrude from the first part (102) to be fastened.   152. Apparatus according to any of claims 128 to 151, characterized in that the holding means have a hole (106a) with a smaller inner diameter than the hole (103) formed in the first part (102).   153. A method according to any of claims 128 to 152, wherein the retaining means has a rear surface (106 ') secured to the first portion.   154. Apparatus according to any of claims 128 to 153, characterized in that the holding means have a lateral surface (106 ") fixed to the lateral wall of the recessed seat (116).   155. Apparatus according to any of claims 128 to 154, characterized in that the holding means have a rear face (106 ') fixed to the first part (102).   156. Apparatus according to any of claims 153 to 155, characterized in that the holding means has a rear face (106 ') fixed to the end of a recessed seat (116).   156. Method according to any of claims 153 to 155, characterized in that the holding means have a rear surface (106 ') fixed to the front surface (102') of the first part.   158. Apparatus according to any of claims 128 to 157, characterized in that the holding means are inserted into a widened hole in the second part (104).   159. Apparatus according to any of claims 128 to 158, characterized in that the holding means comprises a hole (106a) coaxial with a hole (103) formed in the first part (102).   160. Apparatus according to claims 128 to 159, characterized in that the fastening element (100) has engagement means (101) for stopping forward movement.   160. Apparatus according to any of claims 128 to 160, wherein the fastening element is in the form of a screw (100).   164. The apparatus of claim 161, wherein the screw comprises a stem (108) and an enlarged head (101).   165. A fastening member comprising: a fastening element according to any one of claims 128 to 162; and means for holding the fastening element.   A coated sheet sticking device in a device for packaging pasty foods such as processed cheese, solid soup, butter, margarine, etc., preferably packaged with products, in particular foods, especially suitable packaging materials, comprising: A covering sheet sticking device, which is formed according to any one of ˜163.

Images