DE2041543A1 - Transparent exhibition packaging for sales items as well as method and device for the production of the transparent exhibition packaging - Google Patents

Description

D-4000 DÜSSELDORF 1 PATENTANWÄLTE 204 15 A3

Malkastenstrasse 2 DIPL.-ING. ALEX STENGER

DIPL.-ing. WOLFRAM WATZKE

Our time: H 2 ^ 4 Date: 2 0th AUG. 1970

UNION CAMP CORPORATION, Wayne, New Jersey / USA, Valley Road loQO

Transparent exhibition packaging for sales items as well as method and device for producing the transparent exhibition packaging .

The invention relates to a clear display packaging for at least one sales item to be exhibited on the front of a carrier having a cutout for each item is visibly attached, as well as a method and a device for the automatic production of such Klarsioht exhibition packaging.

Such exhibition packaging for one or more items for sale, in which the items are made on the front of a sheet flexible material are known. The flexible material is provided with cutouts that according to the invention Outlines of the articles to be exhibited are adapted, but are reduced in size. The pieces on display are in these Cutouts of certain dimensions held by a loop of transparent film, preferably from the back the carrier reaches through the cutout and surrounds the article tightly stretched and for proper retention on the back of the carrier is attached to each side of the neckline.

In the case of the well-known Klarsioht exhibition packaging, the Sales item held firmly on the carrier by means of a thermoplastic, heat-shrinkable film. A well-known process with which such a clear exhibition packaging can be produced is the so-called "Stretoh-Pafc process, in which the article to be exhibited between two layers of a thermoplastic, shrinkable «!! Film is arranged, and normally becomes visible in a pocket, which is in a display device

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Telephone (02 U) 36 05 H · Tclegrammadreste: Dabspatent ■ Poslicheckkonto Cologne 227610

2Ü41543

device is formed. This clear pack has considerable Achieved economic success and is usually found in any retail store.

In the well-known method for producing Klarsioht display packaging for sales items, which consist of a display card with a cutout and the object held in a loop, the loop is made of thermoplastic, slip-on material and the article is attached to the display card in which the loop after the article to be exhibited has been inserted, it is shrunk on using elevated temperature. Here, a W gluing step is required to the loop assembly on the map and to produce further heating and stretching of the thermoplastic material during the heating to form a loop of the desired size, and after insertion of the article infcie loop another Erwärmungssohritt is required to to tighten the stretched loop.

This known method has the major disadvantage that the Application of an adhesive on the sight card is provided that a heating step to stretch and stretch the shrinkable thermoplastic material as part of the manufacture of the loop and a second heating step to shrink the expanded H slide is required to display the item on sale to attach the carrier card. In addition to these mechanical disadvantages, which are time consuming and therefore expensive, significant ones arise Costs due to the use of thermoplastic, heat-shrinkable material, which is significantly more expensive than the usual, transparent film material that is commercially available.

In the invention, such normal, transparent film material is used and the need for expansion and contraction process steps is eliminated.

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The invention is based on the problem of "an improved transparent display packaging to create that can be produced automatically in a continuous manner. This exhibition packaging can be provided for one or more items of sale and is intended to apply to a further object of the invention a continuous end of flexible material of single thickness and a transparent film, which does not need to be shrinkable, as is the case with many known exhibition packaging is required, which, in contrast, is mechanical to be able to clamp the article to its fixed holder.

Another object of the invention is to provide a device for the production of such a transparent display packaging to create the automatic packaging of one or more Makes sales item, starting from a continuous Delivery of flexible material, transparent film and sales items that are also irregular in shape can. Another aim of the invention is to provide a sequential work cycle in the context of the continuous and automated Provide sequence in the production of a packaging according to the invention. The flexible material and the transparent one Foil can be in the form of a strip in its initial state and the individual Sales items are to be brought in from a feed device will.

In addition, the invention is based on the object of a Transparent display packaging for one or more sales items based on a continuous band of flexible material, a continuous band of a non-shrinkable one transparent film and with the delivery of the individual sales items. In the context of the method according to the invention during the manufacture of the packaging, the article should be attached to the carrier without expensive and time-consuming heating processes

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stages can be made. It also aims to use glue be avoided.

According to the invention, the transparent display packaging is daduroh characterized in that the cutout corresponds to the outline of the article in small reduction is formed accordingly, and the article in the cutout by means of a loop made of transparent film is held, which surrounds the article mechanically tightly tensioned, and that the film on the back of the carrier on each side of the cutout is attached.

Such a transparent display packaging is automatically produced according to the invention by a method in which a film made of transparent material along one side of a carrier made of flexible material provided with a cutout, the is narrower than the largest dimension of the cutout, from which a loop is formed from the film that extends through the cutout and is then inserted into the loop the article to be packaged is inserted, and in which the loop is then tightened tightly around the article and the film on each Side of the cutout is attached to the carrier.

The device for carrying out the method for the automatic packaging of sales items to be exhibited is according to the invention characterized in that under a work table provided with a cutout for holding and guiding a perforated Carrier at the cutout a mandrel for making a loop of transparent film, which can be raised and lowered and over the outer part Hollow tool can be raised and lowered, in the cavity of which the loop can be formed, that a device for feeding a Tape made of transparent film to the underside of the working disco and a device for supplying and arranging sales articles to or in the loops on the top of the work table is provided, and that for the step-by-step further movement of each carrier on the output side of the Arbeitsetisohee Trans-

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port means are arranged, the tape feed device with a Tensioning element is provided for tensioning the loop around the inserted article, and that in the direction of movement behind the mandrel on the Underside of the work table a device for attaching the Tape made of transparent film on the carrier and on the removal end of the work table a cutting device for separating the tape ^ · of the transparent film are arranged between successive supports.

More details, features and advantages of the subject matter of the Invention emerge from the following description of the associated Drawing in which a preferred embodiment of a device for performing the method according to the invention for Manufacture of Klarsioht display packaging for a sale sarticle is shown. Show in menu drawings:

1 shows a packaging device in a side view;

FIG. 2 shows a detail from the packaging device shown in FIG in a supervision;

3 shows a detail from the packaging device shown in FIG in side view on an enlarged scale, so that in detail the facilities for production a loop can be seen;

4 shows the same part of the packaging device shown in FIG in the same view, but in a different procedural state;

5 shows another part of the packaging device in a plan view during the cycle of inserting the sales article;

6 shows the feed side of the packaging device in side view with a device for feeding carrier cards to the work table; which works according to the vacuum principle;

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PIg. 7 shows a part of the packaging device in side view in the embodiment shown in a different configuration than in the embodiment shown in FIG. 6, a continuous belt made of flexible material is used as a carrier and

Fig. 8 shows a detail from the in Flg. 3 shown device and 9 processing in different process stages.

Basically, the process sequence includes the device This invention works a cyclical action, the cycle sequences of which run one after the other and simultaneously by means of a clock Facility can be controlled. During the first work cycle, a cut-out in a sheet of flexible material, for example in the form of a perforated exhibition card, arranged in the device in such a way that a cavity tool is above of the cut-out is located in the card, then a loop is formed from a transparent film that passes through the cut-out in the card on the flexible carrier material and extends into the cavity of the hollow tool. While In a second work cycle, the machine element that was used to produce the loop is removed from the loop and withdrawn from the hollow tool, then by means of an air arome the loop adapted to the contour of the mold cavity, the same machine element being used to feed the air stream which has already been used to produce the loop, and finally the object of sale to be packaged are used in the sole produced in this way and are the facilities that enable the correct positioning of the cutout »the Ensure that the card is returned to its starting position on the tools that produce the loops. Likewise will the cavity tool is withdrawn again.

This is followed by a repetition of the first cycle of work described, with the transparent film tightly wrapped around the previously in to tension the loop of the film used sales item.

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At the same time as the loop is made, the transparent one becomes Foil on the back of the sheet of flexible material, or the card, fastened by appropriate fastening devices, such as a welding device.

If there is a separation of the packaging from the subsequent packaging is desired, can then after the insertion of the sales item installed in the loop and tensioning the film around the article and attaching it to the carrier release means on the device will. In this way, after a series of consecutive work cycles to be carried out continuously and automatically a transparent exhibition padding are produced, which one or contains several sales items exhibiting.

In the drawing, the reference numeral 10 is a work table or denotes a platform which stands on feet 12 and is suitable and intended to pass along an arch of flexible upper side Material, such as rectangular carrier cards, take up and lead. The carrier cards are made in a sequential manner on the surface of the work table »10 by means of a feed, or alignment device, which is described below, arranged and guided in recessed recesses 14 on the work table.

In the embodiment shown in Fig. 1 of the drawing rectangular sheets of a flexible material stored in a magazine 16, which is adapted to the shape of the sheets and with a lifting mechanism l8 is equipped, which according to the removal of cards from the top of the pile, the pile of sheets in the magazine 16 lifts.

A receiving and conveying device removes one after the other the top sheet of the stackable flexible material that is in the magazine 16 and brings this sheet to the work table

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This device is shown in detail in Fig. 6 of the drawing and, according to one embodiment of the invention, has a suction cap 20 on, which has a hollow rod 22 and an elastic line 24 is connected to a vacuum pump, not shown. The broken lines in the drawing illustrate the process the inclusion and arrangement of a sheet of flexible material from the magazine 16 on the work table 10.

A piston-cylinder arrangement 26 acting in two directions operates gradually increasing the advance of the sheets of flexible material to effect the work table 10 and the vacuum device for receiving and handing over cards to press the table. The reciprocating piston rod 28 is articulated via a lever 30 connected to the hollow rod 22. On the lever 30 lugs or projections 32 and 33 are arranged, which work on a control surface 3 ^. The control takes place in such a way that when the piston rod 28 moves to the right in FIG. 1, the suction cap 20 is lowered and brought into contact with the top sheet of the stack of flexible material in the MagaBin 16. When the piston rod 26 is withdrawn, d. H. moves to the left of the drawing as shown in FIG. 1, the controller causes the to raise Sheet of flexible material together with the suction cup 20 and a movement to the left and placement on the work table 10 in the recessed recesses 14. The cycle control regulates the admission the suction cap 20 with the pressure of the vacuum pump, so that a suction effect occurs when the piston rod 28 is fully extended is and maintains this suction until the piston rod 28 is completely retracted into the cylinder 26, d. H. until the arch of flexible material fits right into the recessed Recesses l4 is arranged on the work table.

Simultaneously with the process of pulling in the piston rod 28, a pawl 36 engages in a section of the flexible sheet Material and moves the bow on the top dee

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Work table 10 in the recessed recesses 14.

Synchronized with the movement of the piston rod 28 through the piston-cylinder arrangement 26 is the movement of a piston rod 38 "At" the end of the piston rod 38, which is located outside the piston-cylinder arrangement 26, there is a further pawl 40 which corresponds to the pawl 36 and, like this, the guide the arches made of flexible material on the upper side of the work table 10 in the split-out recesses 14 are used the following ¥ er driving steps always a cutout in the sheet with a cutout 42 of the work table 10 is used in accordance with "

The cutout 42 is formed in a perforated plate 46., The dureJa screws not shown is attached to the work table 10 » The arrangement is made such that sections of different Size arranged in the recesses of the work stisoiies 10; will to be able to process sales items of various sizes and shapes.

Above the cutout 42 of the work table 10 is a tool 4§ arranged, which has a cavity 50, which is basically has the shape of the sales item to be packaged. The tool 48 is driven by the cylinder 52 and those located therein Piston 54 actuated. When the piston 54 is extended, arrive the tool 48 and its cavity 50 into position directly above the cutout 42 of the work table 10 and ia. Match with a section of the sheet made of flexible material, which carrier of the sales item is in the final state «

On the underside of the work table 10 is a continui.erlioia@s-Band - a transparent one. Foil 56 arranged welshes is subtracted from © ineip roller 58 on the einer'Spindel. 60th is stored "

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1 543

The sheet of transparent film 56 is guided along the underside of the sheet of flexible material and is with this Arch, as will be described in more detail later, connected. At the start During the workflow, the sheet 56 can be manually attached to the underside of the sheet of flexible material.

Manufacturing facilities are located directly below the cutout 42 a loop arranged on the work table 10, which have a cylinder 62 and a reciprocating piston 64. On the upper end of the piston 64 a mandrel 66 is attached, the shape of which sioh substantially according to the shape of the to be packaged Article is aimed.

When the piston 64 is extended, the mandrel 66 passes through the cutout 42 of the working tool 10 into the cavity 50 of the Tool 48. Here, the mandrel 66 takes the tape from transparent Foil 56 with and a loop is made in such a way that the Cutout 42 of work table 10 extends through from bottom to top, as shown in detail in FIG. 3.

The mandrel 66 has one or more chambers 67 'which are formed in its interior and are in communication at the lower end of the mandrel with a line 69, which in turn is connected to a source of pressurized air, which is not shown. The chamber 67 has an exit on the surface of the mandrel 66 and is thus suitable for carrying out a blowing process.

When the piston 64 performs a reverse movement, that is to say is retracted, the mandrel 66, which has formed the loop, is pulled out of the cavity 30 of the tool 48 at the same time, while the loop made of the transparent film material remains in the cavity 50. The sole is held in its position and the shape of the cavity 50 is adapted through the chamber 67 of the mandrel 66 by means of an air injection process.

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There are a plurality of sales items to be packaged in a magazine 68, which is arranged above the work table 10 in such a way that the sales items one behind the other in a Position next to the opening of the loop made of the transparent film material, as detailed in Pig. 5 shown is. In order to arrange the sales items inside the loop, an adjustable lifting cylinder? 0 and a piston 72 is arranged, the stroke movement of which an insertion of the Sales item horizontally in the loop made of the transparent film material, which is inside the cavity 50 of the Tool 48 is formed. The adjustable lifting cylinder 70 is also for the execution of successive cycles on a Clock control device 74 shown in Fig. 1 of the drawings is connected.

In the embodiment shown in Fig. 1 of the drawing actuated the piston 64, which is used to raise and lower the soleplate Forming Bornes 66 is used, as well as a white plate 76. Di © Plate 76 is equipped with devices to bake it out for example a heating element 78, which brings the plate 76 to a sufficiently high temperature. When the piston 64 is extended and the mandrel 66 is in its highest position, the heating plate 76 comes into contact with the band of transparent film 56 and presses this against the lower side of the flexible Materials on the work table 10. This contact causes a Welding the foil to the underside of the flexible material and a safe employment of the two parts together. aside from that is below the work table 10 on the side of the dome 66 opposite the heating plate 76, a clamping device for the transparent film 56 is provided, which in its Spannwücung is adjustable.

To attach the film 56 to the flexible material that the Carriers of the sales item can also be other means

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-12- as welding, namely gluing, stapling or the like. Can be used.

The continuous band of transparent film 56 that is used to enclose the individual sales items in the clear display packaging to hold on the carrier is severed between individual carrier cards by means of a cutting device. the Cutting device is shown in Fig. 4 and has a cylinder 82, which works together with a piston 84 and a cutting knife 86 to separate the film 56 into individual pieces. The cylinder 82 is connected to the clock control device by means of devices not shown, so that the separating device is operated cyclically controlled by successive pulses from the clock control device.

In operation, based on the in Fig. 4 of the drawing Darge * set position in which the sales item just inside the loop of transparent film 56 in the cavity 50 of the Tool 48 is arranged, the cylinder 52, actuated to the Pull piston 54 and tool 48 upwards. Following that the piston-cylinder assembly 26 is actuated to move the piston rod 38 and with the next section in one To bring sheets of flexible material into engagement and this in correspondence with the cutout 42 on the work table 10 to bring by means of the pawl 40.

Simultaneously with the extension of the piston rod 38, the piston rod 28 is withdrawn and another sheet of flexible material is placed on the surface of the work table 10 by means of the Suction cap 20, the lever 30, the lugs 32 and 33 and the control surface 34 filed.

The piston 54 is then removed from the adjustable lifting cylinder 52 extended and thus the tool 48 and its cavity 50 just above the cutout 42 of the work table 10 and in over-

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attunement rait a cut in the arch of the flexible material brought. When the tool 48 is in this position, the piston 64 is raised by the hydraulic cylinder 62 moves and the mandrel 66 forms a loop from the band of the transparent film 56 in the interior of the tool cavity 50. A Blowing in air through the chamber 67 causes the loop to be placed on the wall of the tool cavity 50 and holds the Loop in their position. Simultaneously with the creation of the loop, the one standing on the same support surface as the mandrel is placed Heating plate? 6 brought into contact with the film 56 and welded the tape of the transparent film 56 with the underside of the arch of flexible material just behind the previous one Cutout.

The piston 64 is then retracted again and the cylinder 70 to Execution of a lifting movement of its piston 72 actuated, so that the next sales item from the magazine 68 into the Sahlaufe the transparent film 56 is used in the interior of the mold cavity 50. The piston 72 is then withdrawn * as well as the piston 54 and the piston-cylinder arrangement 26 is actuated, to initiate the next positioning process with the following cutout in the sheet of flexible material. At the same time with the resulting feed becomes the tape of the transparent film 56 stretched tightly around the article that had just been inserted into the last loop, whereby the state of tension through the tensioning device 80 is maintained until the film is again welded to the back by a next welding process of the arch made of flexible material is welded using the heating plate.

The various cycles and movements of the device of the Invention in their consequence and coordination by means of the clock control device 74 controlled so that the process as a whole

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tinulerlioh and expires automatically.

In another embodiment shown in FIG. 7 of the drawing The invention is the magazine 16 by a reel of a continuous Replaced band of flexible material 88, which is carried by an armpit 90 and is rotatable. This continuous Tape made of flexible material is fed to a punching machine which is arranged at the beginning of a work table 107. The punch machine contains a cylinder 92, which is also connected to the clock control device 74 is electrically connected, in which a piston 54 is arranged so that it can be extended and retracted, at its free end a Cutting tool 96 is attached. When the piston 94 is out of the cylinder 92 is extended, the cutting tool 96 comes into contact with the continuous band of flexible material and cut cutouts in this band that have the same shape as the item to be packaged in outline, but which are slightly smaller in size.

In this embodiment of the invention, the son's oath tool separates 96 both the continuous band of flexible material and the continuous band of the transparent film, sp that individual Exhibits are created. The cutting tool 96 can be formed like a punch to allow adaptation to the desired packaging shapes.

The above description relates only to a particular embodiment of the invention, of which many modifications are of course possible without departing from the inventive concept on which the invention is based. For example, the actuating cylinders 26, 52 and 62, 82 can be actuated by hydraulic pressure medium or by air pressure, but other mechanical means can also be used in their place. The clock control device is not shown in detail in the drawing, since the mode of operation with the construction of such Einrioh-

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are known to those skilled in the art.

It will also be apparent that other modifications of the invention can be made those skilled in the art can, for example, the width of the transparent sheet material with which the loop for holding the sale item manufactured will be varied to order one To be able to adapt to the particular object to be packaged. This loop on the carrier of the transparent exhibition packaging can be designed in such a way that articles of any shape can be accommodated in it and any desired part of a sale « article can be covered by her.

It should also be noted that the exact position of the cutout in Reference to the flexible material can be varied if necessary. In the exemplary embodiment, the cutout is placed near the center of the sheet of flexible material; however, it can also be arranged on the lower edge and the base of the article retained therein can be a support structure for a top display item of the see-through display package form.

Although according to the preferred embodiment of this invention, the Shape of the cutout in the arch made of flexible material in general to be adapted to the outline of the article to be exhibited and the cutout is slightly smaller than the outline of the article should have, it is easy to understand that it is sufficient if the dimensions of the cutout are such that the required width of the transparent film material fits through the cutout and that the cutout does not necessarily match the outline of the article in shape got to.

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Claims (1)

-16- Claims: Transparent exhibition packaging for at least one to be exhibited Sale item on the front of one for each The article is visibly attached to a carrier with a cutout, characterized in that the cut-out corresponds to the outline of the article in a small reduction is designed accordingly, and the article in the cutout by means of a loop of transparent film (56) is held, which surrounds the article mechanically tightly tensioned, and that the film (56) on the back of the carrier on each Side of the cutout is attached. 2. Transparent exhibition packaging according to claim 1, characterized in that that the loop of transparent film (56) reaches through the cutout in the carrier from the rear. 3. Transparent exhibition packaging according to claim 1 or 2, characterized characterized in that the loop consists of a part of the continuous film extending through the cutout. 4. Transparent exhibition packaging according to one of claims 1 to 3, characterized in that the loop on each side of the Neckline is welded to the back of the carrier. 5. Transparent Auaötellungsverpackung according to any one of claims 1 to 4, aduroh characterized that the loop through the application is not deformable by heat. 6. Transparent exhibition packaging according to one of claims 1 to 5, characterized in that the loop is narrower than the largest dimension of the cutout. -17- 1 (J. ^L: i u, 1 '.', /, 7. A method for the automatic production of clear display packaging for a sales item according to any one of claims 1 to 6, characterized in that a sheet (56) made of transparent material is guided along one side of a carrier made of flexible material which is provided with a cutout is narrower than the largest dimension of the cutout so that a loop extending through the cutout is formed from the film (56) , into which the article to be packaged is then inserted, and that the loop is then tightly stretched around the article and the film (56 ) is attached to the carrier on each side of the cutout. 8. The method according to claim "J, characterized in that the film (56) is guided along the back of the carrier provided with a cutout and the loop is formed through the cutout from bottom to top, that the loop is mechanically stretched around the article and that the film $ 56) is attached to the back of the carrier. 9. The method according to claim 7 or 8, characterized in that the loop is formed into a cavity (50) of a tool (48) arranged at the cutout. 10. The method according to claim 9, characterized in that the Loop is formed with compressed air after it is in the Cavity (50) of the tool (48) was formed nine. 11. Method according to one of the. Claims 7 to IQ * characterized by that the film (56) is welded to the back of the carrier. 12. The method according to any one of claims 7 to 11, in which one after the other continuously the packaging is produced, characterized in that cutouts one behind the other in a continuous carrier tape. semi-flexible material cut are, a continuous tape of transparent film (56) is guided along the underside of the carrier tape. », on the Mn- 10 -18- 2U4 1 5 A3 Loops are made one above the other, each with a cutout reach through from below so that the loops are adapted to the contours of the cavity in a hollow tool (48) and inserting an article into each loop, and finally sequentially inserting the loops tightly around the article are stretched and the film (56) is attached to the underside of the carrier tape on each side of the cutout. I). Method according to claim 12, characterized in that the tape made of semi-flexible material with the exhibition items arranged on it is cut into a variety of clear display packaging. 14. Device for performing the method according to one of claims 7 to 13, characterized in that under one work table (10) provided with a cutout (42) for holding and guiding a perforated support at the exit (42) a mandrel (66) for making a loop of transparent film | 26) can be lowered and lowered and over the cutout (42) a hollow tool (48) can be raised and lowered, in the cavity (50) of which the loop can be formed, that a device (38, 60) for feeding a ribbon of transparent Foil (56) to the underside of the work table (10) and a device (68) for feeding and arranging sales items is provided to or in the loops on the top of the work table (10), and that for gradual further movement each carrier on the output side of the work table (10) transport means (56 4o) are arranged, the tape feed device (38, 60) with a tensioning element (80) for tensioning the loop is provided around the inserted article, and that in the direction of movement behind the mandrel (66) on the underside of the work table lifted and mustard a device (78) for Attachment of the tape of transparent film (56) to the carrier and to the removal end of the working cover (10) a cutting device (82j, 84, 86} to separate the band of the transparent Foil (56) between ttu,:. ^ Arranged in successive carriers are. 1 0 9 B H / 1 /, U -19. BATH ORIGINAL ■ 2U41543 -19- 15. Apparatus according to claim 14, characterized in that the mandrel (66) is provided with devices for adapting the loop to the shape of the cavity (50) of the tool (48) is. 16. The apparatus according to claim 15, characterized in that the mandrel (66) is provided with a chamber (67) which is connected to a Compressed air line (69) is connected. 17. Device according to one of claims 14 to 16, characterized in that that the device (76, 78) is a welding device. 18 _# Device according to claim 17, characterized in that the welding device has a heatable plate (76) which can be raised and lowered below the carrier and whose movement is coupled to the working cycle of the dome (66). 19 · Device according to one of claims 14 to 17, characterized characterized in that the working sequence of the individual parts of the device by means of a clock control device (74) successively is matched.