DE1486482A1 - Sack with a closable opening - Google Patents

Description

Book with a lockable opening. the invention relates to a Saok with a closable opening approximately equal to the bag width.

Is wind a. Prepare sack-shaped packaging containers which consist of mines outer corners and an inner bag, with the outer bag is made of jute fabric and the inner bag is made of plastic. Such packaging find their main application in toroand and storage of hygroscopic goods, wobol the inner bag don bahuts gwgwn dzo penetration so moisture forms in the contents, during the outside area for the required resistance of the arrangement goton the stresses occurring during handling orge disadvantageous to don bok knew combination places sacks lot jodooh that aie sioh eehr sohlooht fill layon because the bidon each one-sided open sacks individually and closely connected are müeeen, whereby it is particularly important to ensure that there is no product between Innon and AuBeneaok goes when closing the outer bag, it can happen that that the inner bag is damaged without being noticed. It exists also the risk that the inner aok is too tight when closing and between Inner and outer sack creates a cavity so that the inner aok boin TRansport can move and is therefore not protected by the AuBonoaok gogen berets.

The purpose of the present invention is to provide embodiments for bags to be provided, the also for combinations consisting of inner and outer sack as well as individual sacks with advantage su use mins. So far as extraordinary Troublesome spanking, especially the outer bag, can be a problem the invention saved in a simple manner be that in the case of a sack of the type mentioned at the beginning, the opening by veine on three sides with the bag connected flap is closable. Advantageously, the flap can through an extension g of a bag wall can be formed. This achieves d The outer or outer bag can be opened and closed easily and is in good condition don gwMmtwn cross-section dww sack releases for the introduction of an inner sack.

$ in back with the features mentioned can consist of a flat, double llogonton piece of material exist, dam in sonner Bruit * of the finished sack corresponds, placed in the area of the flap over dlo opposite sack wall and along the Stokkmntwn duroh NChRo is closed, which the flap at its side edges capture, Am boondorg wiohorer Vergehluo duroh the Slappo orgibt aioh then what diM in the filled state of the sack under a greater tension than that below lying sack wall @teht.

Us diwww voltage su can achieve how this the invention advantageously wbwnfMIw suggests dl Ndhts in don T * il ihrwr Lkago, in don them the side edges grasp the flap, have a reduced transverse distance from one another. Of the The transverse distance between the seams is thereby reduced during the manufacture of the sack, that the mentioned flap is closed on the side before the side seam is attached and advise then the seam is horgoxtoll.

To improve the Abeehlueeee dos 8zokeo euoh know the from the Flap over the bag wall around a section protruding over the edge of the bag be extended. There is then a larger one in the area of the opening of the sack Area of double-lying material, which increases the strength of the sack, but its fillability or the de @ inner sack is not hindered. The area the overlap between Mop and extended sidewall can either in the bottom and side areas or only in the bodon area.

The sack can be reinforced by the fact that or an inox odor on both radon at & on corners with triangular, through * in * seam divided corners is given away.

DiwM Zipfelung helps to increase the overlap zone received in luron Zuwtmnd su. If the attachment of such a flap is dispensed with, the outer bag accepts the Pors Ss inner bag, even if, for example, the outer bag ale flachsack and the inner sack is worked as K @@ ten @ ack.

Booontoro cheap lot es bol minou from two interlocking ones Sacks of existing packaging, the inner sack flaohg at one end, for example by a sweat, to close and on the toron ßoito oluen Kreuzboden to be attached, while the outer bag is worked as a flat @ ack.

The outer bag can be used on all sides despite the fact that it is in use closed form as a normal 9aolc open at one end use toron Blorsu All that needs to be done is to knock back the mentioned flap. This results in Another advantageous option is to open the sack with the flap thrown back hang up on a hanger or holder when filling. If like this the invention if necessary, suggests separating the seams that capture the side edges of the flap are made from the actual side seams, it is like the ones that are folded over one another Toile near the separation of the XZhto in the Ublloho position and on the side edges vider su connect, so the Xh of the sack @ us deee that of the sutor turned over Wall parts enlarged.

The flap can be closed with a lock on the free edge be. Dlooor Vereehluee kas for example by glue or by a rivet or similar aids are brought about. A dorelike closure prevents it a label the bag opening even under unfavorable operating conditions, for example, if such a Baokow is improperly deposited.

When it comes to packaging consisting of an outer and an inner bag is also possible, the outer bag with two overlapping bottom sheets ausustaten, between which a @slot-like opening remains. For this purpose the bottom sheets are folded together overlapping each other and then along i side edges connected to the sack. Is the inner sack provided for this type of packaging equipped with a valve that has a relatively long valve assembly, @o this latter can be brought out through the slit-like opening near the outside will.

An inner bag with a long valve neck is also in use an outer sack that is given away with a flap that covers the other sack wall beneficial to use. To fill the inner bag, it is then not necessary to to pull back the flap on the outside, because the flexibility of the outer corner an immediate filling de @ Innenwtttww is permitted without further ado. Nash the BtUlluog brzuokZ loiglieh the outer part of the valve tube between the outer and inner bag be @ pushed su, because the filling material has a sufficiently large bridge, dor & on Firmly press the valve hose to @@@@@ and at the same time the overlap @ areas @@ Outer bag @o @ tensions that a @secure closure @ is guaranteed. h is however not necessary, each one fitted with a valve as an inner bag To use sack; a lot of @@ hr can be used as an inner bag one to one end over @ one entire Wide open sack that has been closed in various ways can. So e @ is possible once, the inner bag with the help of a lock @@ kl @@@@ @d. Like device to ver - @@ hasten. Provided the inner bag is sufficiently sized is, logs or winch exactly into the outer bag, but you can use the Ina uoh houer ale perform the outer bag. The edge that protrudes after filling The inner sack is turned inside and between Iman-us AuB * nsaok pushed.

Here too, the product trick again ensures a secure seal. Dieour V * robluto can be improved if the band beats @@ g @@ several times will. Here, too, the filling pressure ensures that the in this way formed Do not roll open.

B2no further possibility is to pass the inner bag with a a flap connected to the sack on three sides, which is located under the am The outer sack lies in front of the flap. Will both sacks be in @ inanderg @@ t @ ckt for the purpose of filling both flaps on the outside of the respective Sack repulsed. After filling, the flap of the inner bag and then that of the outer bag turned back. It is advisable to use the cloth to be arranged on the inner and outer bags on different sides of the bags.

Glarduroh is avoided as far as possible when the filling material trickles out.

I am Tereehluee of the kind explained not only for flat look, but also saah fdr folded sacks are pre @@ chen. Be then results in an area outside the edge made of double-lying material, when the pipe suit both side walls and the Gussets of the relevant output @ werkstoff @ detected.

If a part of the corrugated tube is then turned over in the opposite direction, an increase occurs in the area of the side fold in the part allotted to the edge of the material layers, with the boiden snoberont layers connected to one another be, wdhroad g At the same time it is ensured that a Gate binding occurs between the walls of the underlying fold.

A further possibility for realizing the invention relates tarin, ion sack on both oltllobe longitudinal edges with an aehmal cross bottom see below give away. As a result, the side seams are significantly reinforced and the sack takes in filled Zu @ t @ nd a pri @ matic form.

A simple way of producing the sack according to the invention orgibt ioh when using a hose section which at one end ut a Broito, which is part of a sack side wall, is cut longer by the length of the flap and if this part is folded over the loop opening and on sinon side edges parallel to the sack side edges attached to dioson solder.

WKhrand a bi @ her was customary to produce the outer bag as a fabric @@@ ck, it has proven to be particularly advantageous, now @both the indoor as well as to make the outer sack out of synthetic material. Here there is the possibility of to keep the inner socket as flexible as possible in order to achieve a favorable sealing of the To achieve flap parts. An additional advantage is in this, lady of the interior bodruokt wordon can and the Aufdruok duroh don Autonzaok loubar, the @ @@ g or dept.

The manufacture of the sack from a flat film is particularly advantageous, because flat films are produced at a much higher speed than tubular films can be. So that the bags made of such flat material at the side seams If the required strength is obtained, lap seams are expediently made. It should be noted, however, that such seams create increased tension b After filling, the flap can be turned over to the outside and the weld seam can be removed from the flap possible veto * is claimed on notch.

Miss * Difficulty can be caused by the fact that the overlap seam runs along the side wall of the sack, against which the flap is closed @ u @ tand lays. In addition to this measure, the edges of the flap can be changed {Via the overlap @ n @@ t against the side wall of the sack facing away from the flap folded and fastened there.

9i invention is presented below to Nand von in ter Zeiehung Embodiments in more detail wriätitwrt. go seigle Fig. 1 shows one according to the invention Sack in the view, Pig. 2 sinon @ enkr @ chten, @ch @@@ ti @ chen cut through lig. 1, FIG. 3 shows a section corresponding to FIG. 2 through a modified exemplary embodiment, 4 shows a further corresponding schematic representation of another embodiment example, tkg. 5 * 1DE w modification @ possibility, Fig. 6 a further modification possibility, If @ ch @ matically shown above in simplified form, FIG. 7 is a schematically shown one Look at the bag according to the previous examples when it is open State, tig. 8 a sack of the type ut, covered with lateral tips Fig. 9 a modified embodiment example similar to FIG. 8, FIG. 10 one with bottom leaves According to the invention, FIG. 11 shows the global arrangement as in FIG. 10 After the attachment of the soil leaves, Fie 12 made an eohemaiiaohen incision the arrangement according to FIG. 11, FIG. 13 an embodiment for an inner bag, FIG. 14 don the inner bag according to Fig. 13, inserted into an outer @ ack during the filling process, 15 shows the arrangement according to FIG. 14 in a goaohloaenem state, Ilig. 16 another Execution example for an inner sack, FIG. 17, one consisting of an inner and an outer sack Packing dug, the inner saok being higher than the outer saok, Pig. 18th the arrangement according to FIG. 17 after closing, FIG. 19 the arrangement according to FIG. 18 in the perpendicular side offset, FIG. 20 the arrangement according to FIG. 17 in the vertical Side section, FIG. 21 the arrangement according to FIG. 20 after filling in closed position Position, FIG. 22 is a modified embodiment similar to FIG. 21 of the invention, FIG. 23 gives two flaps designed according to the invention, interlocking Shako in gedffnstom state, fig. 24 the arrangement according to Fig. 23 in the closed state, FIG. 25 a modified pore of the Pig. 24, 26 the production of a sack according to the invention from one with a gusset Tube-shaped material, FIG. 27 the arrangement according to FIG. 26 after the first folding over duo * Nndee do * tubular material, Fig. 28 the final processing step after the folding has been carried out, a part of the hose material, FIG. 29 in the exemplary embodiment for a sack with a cross on the side, Pig. 30 a modified form of the invention, Fig. g. @l another modification of the invention, rig. 32 more Modification of the invention, FIG. 33 shows the first stage of the manufacturing process @ a sacks @ according to the invention with overlapping seams, FIG. 34 shows the arrangement according to Fig. 33 after the to - @@@@@@@@@ @@ mmenlace the two forming the sack walls Material sections, 35 shows the arrangement according to the preceding Images after the folding of the material section @ forming the flap, Fig. 36 shows the arrangement after completion and FIG. 37 shows the arrangement according to FIG @h Fig. 36 in section.

The one in fig. 1 shown with an approximately equivalent to the bag width Sack equipped with a lockable opening consists of a front wall 1, which is one piece with veiner Hinterwmnd 2 build vint. The rear wall int by a section 3 longer than the front wall 1. The extension 3 lot saoh on the front Front wall 1 was knocked around, after which @eitliche N§hRo 4, depending on the used Material that has been manufactured by sewing, gluing or welding.

The sack shown in Fig. 1 is shown again in Fig. 2 @ schematisoh reproduced in the vertical section. Here it is possible to see the rear wall 2 around tinta section 3 t rlkngert lot, which grips the front wall 1 near the front.

According to Fig. 3 an emptying can do the top closure on the Bek dadurah be orzielt because * the front wall 1 is also extended un a section 5, the @ich dementsp @@ chend to the upper part of the rear wall 2.

Jo according to the length that the sections 3 and 5 in relation to each other @show, the overlap point shifts through which the in Figures 4, 5 and 6 labeled 6 inner bag is accessible. While in Fig. 4 the overlap area between the wall parts 3 and 5 approximately on the half of the part of the shape of the inner sack 6 is in a veiner Ki @@ enform certain outer sack, the overlap area between the parts 3 and 5 according to FIG. 5 with an approximately pri @ matic inside 6 can be found on the top of the sack is according to FIG. 6 the Give away rear wall 2 with an extension 3 that overlaps the front wall 1 so far that that the overlap area is essentially at the edge between the transition from the floor into the side wall.

Fig. 7 shows a horizontal section through the arrangement according to Fig. 1, cobol the sack duroh Naohmintenzchschlag the flap is open. It surrenders from this, that the entire transverse step is available for the introduction of an inner bag stands.

Fig. 8 shows a possibility to recognize the conclusion through the flap Reinforce 3 su. For this purpose there are 3 lobe-like areas on the sides of the valve 7 has been divided by corresponding seams 7 '. This results in a filled SAck a voltage that holds the flap 3 in the closed position. The flap 3 can also secured by sinon Versohlues 8, for example, sinon rivet or by sine clamp my.

This can also be ensured in the manufacture of vines Saokee according to FIG. 1 toron, then in the flap 3 when the sack is filled there is a great deal of tension ale in the front wall 1 results. In order to achieve this, the part forming the flap is used 3 before the lieratstellung close 4 @eitlich nsoh aulon @ met.

According to FIG. 9, the temporal lobes can be attached to the side surfaces of the Saokee 1 should be laid out and fastened there.

Hiorduroh will use the strength and security of the clasp Help the flap 3 enlarged. The tips 7 are not easy to manufacture, @but they also ensure that the AuBonuok adopts a pri @ matic porosity, what bet the previous exemplary embodiments without a tip is not the case. In the embodiments according to FIGS. 1 - 7, the shape of the outer sack is much different 1, 2 in the formal that of the inner bag used 6. Other @ eit @ takes the outer bag has the shape do * inner bag even if the outside @@@@@@ as Flach @@ ck, who is I @@@@@@@@ @ber as K @@ ten @@@ k g @@@. As B@@@@@@@ g @@@ tig h @ t the use of eimes Imm @@@@@ k @@ erwi @@@@, which consists of K @@@ tsteff b @@ tcht and is flattened on one side, while @@@@ @@ on the opposite side has a Krausbeden, where the Ausen @@@ k is formed as a flat @@ ck au @.

The outer sack according to the specifications of Fig @@@@ 1 - 9, the tr @ ts @@ imer @ ll @ eitig geschl @@@@@@@ Form in truth mur an @rei @@ iten g @@@ hl @@@@ n is, can also be used @@@@ I @@@@@@@ k as a normal effener sack. Ni @@@@ @@@@@ ht only the flap 3 sur @ ckgeschlagen @@ who @@ n, with the possibility results in the @@@@ k with the help of the @@@@@ kg @@ chlagenen flap to a @@ gel or @alter @@ @@ f @@ tigem.

The flap 3 can be @@@ instead of a bracket or agraffe @ according to Fig. @ can also be permanently secured by a Kle @@ ittel @@@@, the eim A @@@@@@@@@@ klaffen v @@@@@ dert.

When using packaging consisting of external and imm @@@@@ k can the outer lake according to FIG. 10 with two overlapping @@ the @@ den sheets 9 and 10 @@@ g @@ t @ tt @ t.

@@@@ ch @ t are sent to a @@@@ des @@ hl @@@ hf @@@ ig @@ exits - @@ teriale of the sack 1 dr @@@@ k-shaped @@ k @@@@@@ batch 12 manufactured @@@ @@@@@ @@@@@ l @@ g @@@@ @@@ t @ jeweile connected to an edge of the bed @@ sheets 9 and 10, the hi @@@@ required @@ Wß @@@ @ i @ d with 11 besei @@@@@ t.

The @@@ tlichs @@ f @@ approval of @@ d @@@@@@@ 9 and 10 is required @@@@@ Fig. 1 1 by @@@@ tellung ven Länganäht @@ 13, which in the overlap area @@@ both sheets 9 and 10 withel @@@ the connect @@@ dar @ Ber hi @@@@@ @@@@@@@@@ the length of the Beit @@@@@@@ a connection to @@@@@@@@@@@@@@ @@@@ make a connection.

This arrangement results in a closure as shown in FIG. 12 Sche @@ table is shown in section. The bed sheets 9 and 10 overlap and make it possible to provide an inner sack 6 that is given away with a valve sleeve 14 use which can be filled through the valve tube 14 without the outer bag 1 to open. The valve @ ch @ also 14 is provided with the inner bag at 15.

13 shows the inner bag 6, which is equipped with the valve tube 14 is, next in @inselderstellung.

Fig. 14 leaves the arrangement, again in the sch @@@ tized @cut shown, recognize when the inner @@ ck 6 is filled through the valve tube 14 is.

To close the packaging for transport or storage, the valve @ ch @@ uch 14 between the outer wall of the I @@@ n @@ ck @ 6 and the Immenwand placed on the outside @@ cks 1, as shown in FIG. The pressure of the product is present the valve @ hose together, @o that no felling material can get out, Deräber In addition, the product pressure @ also ensures that parts 3 and 5 are correct overlap and f @@ t lie next to each other, @e that a stupid @ fuse against a Ausrie @ eln the filling is given.

Fig. 16 shows an Imm @@@@@ ck made of tubular material is made and in its upper opening before applying a cross weld 16 the valve hose 14 is inserted. During the @@@@ telling of the sweat @@@ ht 16 @@ is required, a @@@ wei @@@ gsverhommunikde @ transfer to @ chl @@ ch Bring 14 @@. The arrangement according to Figures 10-16 offers the distributor that the Imm @@@@@ k can be liked, @ k @ e the overlapping parts to venei @@ nder tr @@@@@@. Even if a dit a Vemtilschlsuch 14 give away I @@@@@@@@ k im a is brought according to the proposal of Fig. 1 decorated outer bag, the filling, without the flap 3 having to be thrown back, be carried out, since the Flexibility of the outer bag without further immediate filling of the inner bag allowed. As already mentioned, only the outside is needed after filling Part of the valve @ chlauchm to be pushed between the outer and inner bag, webei a lock results that even with sudden heavy loads, for example @ in one case the @ acke @ does not open.

A baking according to Fig. 1 cannot, however, only be done with a valve inside @@@ m, @but can also be turned with a normal, one-sided open sack @u @@@ men ve @@. A connection of this type is shown in FIG. 17, which can be seen at the same time is that the inner bag 6 is slightly longer than the outer bag 1.

The inner bag 6 can be closed in various ways. @e FIG. 18 shows in which the flap 3, which has been folded back in FIG. 17, is back again on the front of the Verderwand 1 is herungestälpt, at 17 a @egeannte Blu @ e for closure des Immen @@ eks. The inner bag fits if it is plentiful enough in any case the inside before the outside bag.

19 is a vertical section through the arrangement according to FIG. 18, the inner bag 6 being felled.

20 shows the arrangement in a vertical section Fig. 17, which is longer than the outer sack - @@@ ene Immensack 6 when it is struck back Flap 3 protrudes upwards over the outside @@ ck.

Fig. @@ shows the arrangement according to the cases of the inner sac, where desemm upward protruding hand @@ de unplaced and @wi - @@ hen the outer wall of the I @@@@@@@ k @ and the inn @@ wall of the outside - @@@ k @ is stored. The combined upper edge of the Inside ackes 6 is denoted by 3 '.

Fig. 22 shows that the upper edge of the inner bag 3 'at corresponding grüßerer denessung the @@@ sounds also turned several times or @@@@@@@@ ger @ llt In both cases, the upper @@ de des Inn @@@@@ ks zwi @ ch @ n Immen- @@@ Outside @@@@@ k g @@@ kben. The filling pressure causes one @ i @ r @@ Ver @ chl @@@@. He also ensures that the figure represented by @@ Fig. @@ 3 "eich draws MMtMi <! Ml) ttaNM. <M ~, @@ according to Fig. 23 there is also the possibility of two match - @ ti @@@@@ d @@@ g @ bil @@ t @ @@@ ke mitelnander to use, i.e. two @@@ k @ according to Fig. 1. each one on three @@ item with the @@@ ek connected flap having an upper as $ P n, Fig. 3 initially plugged into one another, with for Filling both flaps 3, 23 @@ räakschlag, the Verderwand 1 dem Outside @@@@@ k @@ @@ tspr @ ch @@ d @ W @@@@ @@@ Inn @ n @@@ k @ is with @l, MM $$ t $ << 1t <<) hww <wa <$ M tM <$ «M $ MtM <MMtMMt <! w $ w $ t & 'twt $ w <mMw @@@@@@@@@@@@@@@, after the @@ f @ llung becomes @@@@@@@ t the flap 23 of the I @@@@@@@@@@ @@@ @@@@ the flap @ of the outside @@@@@ k @ @@@@@@ - gestälpt, @@ is @@@@@@@@ ig, like the figure @@ @@ @@@ @@ @@@@@@@@ @@@@@@, the Klapp @@ 3, @@ the two @@@@@ @@@ verschi @@@@@@@ Beiten der Verp @@ kung @@@@@@#@@@@, These @@@@@@@@ @@@@@ @@ @@@@@ @@@@@@@@@@@@ @@@@@ @@@@ against the Au @@@@@@@@ from Fällget.

As already in the exemplary embodiments, see FIGS. 3 to 6 has been explained, it is also with two nested one according to the invention Sacks possible, the overlap between don parts 3 and 23 don respective needs to enlarge entepreohend. Then take the foilo at veiner ont-. rproohenden extension the front wall 1 of the outer bag and the corresponding wall 21 of the inner bag the position according to FIG. 25.

However, the geoohildorte Versohlues does not come to the for Flachsäoke, but also SUr folded bags in question. For the manufacture of a closure of this The procedure on a folded sack is as shown in FIGS. 26-28. First of all, raw sole material consisting of a front wall 24 and a rear wall 25, that on the side edges with veiner fold 26 is provided to mine the? alto 26 vertically intersecting line 27 folded.

The result is the arrangement according to FIG. 27, the obiers Kanto dom material now coincides with the previous fold line 27.

The toilet of the wall 25 at the front in FIG. 27 is, as this is the case 28 shows, turned back near the back, so now the inside of the wall section 4 becomes visible. In don with 26 'marked areas on the The front and rear of the arrangement is located on the material wagon that runs there Palle 26 four faoh, while it lies twice in the area of hello 24 and 25.

Following the folds, the material will be in the areas 26 'welded, with separating means in the pockets formed under the areas 26' above @ o ie is placed under the fold 24, 25.

Instead of one side fold, DorS can also be timed with one Narrow cross base as shown in Fig. 29 give away will. Here, on the open side, the double-lying material, beds are made see front wall 1, rear wall 2 and near the front Ubor the front wall 1 folded over Flap 3, made in a known manner corner impacts 2 "and the toilet 2 'the Back wall gologt over part 1 'of the front wall and connected to it. Bol Olooor Manufacture aform, the 8ettonnaBt wontlioh is reinforced and the Saok takes when filled, it has a prismatic shape.

Another way of producing the one that closes the bag opening Klappe beateht in it, dans gemme Fiv. 30 tubing material is cut so that dsa * a Sohlauobabeohnitt with a part formed in one piece on it, the flap forms. To achieve this, a section 28 is logged according to FIG. 30, which only the overhead lgo of the material is recorded. The cut 28 goes in two on the ooltliohen old edges verlaufonds Sohnitte 28 'over, the length of which corresponds to the height of the desired Flap entoprioht. The ends of the cuts 28 ′ that are turned away from the domes 20 are ln the untoned toilet of the tube-shaped material through the cut 28'torbunton Be results after the DurohfUhrung do * cuts a work @ piece according to the in Fig. 31 represented Art.

It is also possible to cut the tube-shaped material through a straight, cut off the incision encompassing both layers and that for the manufacture of the flap required material as a separate sheet 29, as shown in Fig. 32, attach to a bath of the material with the help of a connection Fnadt 30 su. In In the cases of the exemplary embodiments similar to FIGS. 30-32, it is necessary in each case, the flap after do folds suber the sack opening at its side edges with the front wall of the saok connect to.

Winch has shown that the use of plastic can also be used for the Outside sacks are of particular benefit. Here is o @ even possible, made of plastic to produce a self-supporting sack that does not require any wrapping.

Advantageously int on jedooh, the packaging consists of two intertwined @@ ckten Manufacture plastic sacks, where expediently the interior is so flexible as possible, and effective sealing of the entangling cables to reach.

Ale to the additional advantage of one consisting of two plastic bags Packaging gives the opportunity to print on the inner bag, as the imprint It was jellyed through the outside area, but not when handling the sacks can be chafed off.

When making an outer sack made of plastic, it is advantageous to to use flat film because it is produced at a much higher speed can be used as tubular film. These are the factors that determine the strength of the overall packaging Connection seams are tight enough to produce what are known as overlap seams wish @ worth.

This i @ t, as can be seen from FIG. 33, is easily possible, Es In this case, a separating agent 32 is applied to a film section 31, or when used of high frequency welding an electrode * is applied. Dam Trennxlttol 32 iet um the Br ito Oor seam @ äer @ tade @ is dimensioned smaller than the film section 31.

The film part 31 is us the fold line 33 around on the separating means 32 placed so that the arrangement according to FIG. 34 results, in which the hunter the Separating means 32 is designated by 34 lying part of the film. The part on top 31 is us don Aboehnltt 31 ', who @ later forms the flap on the sack, is longer than the Part 34 bemeeeen.

The next step is the part 31 forming the flap (Fig.

(to the left in relation to the drawing) on the wall part 31 35) placed, after which the eeitlioh over the side edges dom training means 32 protruding edges of the material layers turned over together and with the help of the seams 36 get connected. In this case, according to the sonittan shown in FIG. 37, there is no Saokeeje at both longitudinal edges lao overlap @ seam 36, but not connected to the Nehtumechlag with the rear wall 34 lot.

In this training you can give away sacks with a veiner flap however, there is a disadvantage that consists in the fact that the flap 31 is folded over after filling it gives more vein than desired. Additionally will the weld seam 36 ton of the flap 31 'is stressed on notch.

To remedy this difficulty, the side edges of the flap 31 'must be turned over separately, @o that @ie overlap the seams 36 and open attached to the rear wall opposite the seams 36. This achieves dame also the seam, which the temporal edges of the flap 31 'with the Saokseitenwand connects, is essentially only beanapruch on train.

Of course, the invention does not apply to the and Embodiments described are limited, but can be within the scope of her too The underlying idea was modified, supplemented and combined to the raw white will.

Claims (25)

P a t e n t a n s p r ü c h e: 1. Sack with a width approximately the same as the sack corresponding closable opening, d u r c h g @ k @ n n z e i c h n @ t that the opening can be closed by a flap connected to the sack on three sides is. 2. Sack nsoh Anspruoh 1, d a d u r @ h g @ k t n n z @ i a hn o t, that the flap is formed by an extension of a bag wall. 3. Sack according to claims 1 and 2, d a d u r a h g @ @ k @ n n z h n @ t that it consists of a flat, double-lying WerketofftUek, dam In the veiner board corresponds to that of the finished sack, in the area of the Kleppe over the opposite saok wall is placed and closed with seams along the side edges is that grasp the flap at its side dents. 4. Sack according to claims 1-3, d a d u r o h g e k e n ns e i e h n @ t, daxs on sack wall that is covered by the flap around one over the edge the sack protruding cut-off is lengthened. 5. Sack naoh d @ n claims 1 - 4, d a d u r c h g @ k e n ns h n @ t that the seams in dom part of their length in which they are the side edges of the flap capture a reduced transverse distance yonoinandor on voison. 6. Sack naoh don claims 1 - 5, d a d u r e h g e k o n nz e i c h n e t that he is at one or both ends to the Beken with triangular, through a seam of divided lobes is provided. 7. Sack naoh don claims 1 - 6, d a u r o h g @ -k @ n n s @ i oh n w t that the seams that capture the side edges of the xlnppt are separate from the actual side seams are made. 8. Snok according to claims 1-7, d a d u r o h g 9-k @ n n @ w i Not that the Klappo is given away with a lock on the free edge. 9. Sack according to claims 1-8, d a d u r o h g wk @ n n z @ 1 @ h n @ t that he is awogoutattot with two overlapping ground sheets, so that the slot-like opening remains. 10. Back according to claims 1-9, g e k @ n n z @ i @ hn w t d u It can be used as an outer bag for a filling material that absorbs the contents manufactured inner bag. 11. Sack nae don claims 1 - 10, d a d u r e h g @ -k @ n n s @ 1 e h n @ t that the tubular, plastic inner sack is included equipped with a valve tube that passes through ilo swlsohon flap and uberdeocktem opening formed by the wa o outer sack nsoh mulon fuit. 12. Saok naoh don claims 1 - 10, d a d u r o h g ok @ n n z e i n e t that as an inner sack one at one end over its entire width is open SAck is used. 13. 8aok according to don claims 1 - 10 and 12, d a d u r e @ g @ k @ n n s @ i @ b n @ t, taoo the inner bag through lao locking clip at the open end is locked. 14. 9aolr naoh don claims 1 - 13, d a d u r o h g wk @ n n ra @ i e h n @ t that the inner bag is somewhat larger in size than the outer bag is executed. 15. Sack naoh don claims 1 d a d u r @ h g @ @ k @ n n z e i o h n @ t, dams the inner bag hbhor ale the outer bag is formed. 16. Sack naoh don claims 1 - 10, d a d u r a h s @ @ k @ n n z @ 1 @ h n @ t that the inner sack is connected to the sack on three sides by a Flap open, under the flap provided on the outer bag. 17. Sack according to Claim 16, d a d u r o h g w k @ n nz @ i @ h n @ t that the flaps on the inner bag and outer sack aut Yonsinander different sides of the sacks arranged lna. 18. Sack naoh don claims 1 - 3, d a d u r c h g ok @ n n z @ i oh no, that he sold out as a wrinkle bag, dor an offonov Bado on mines circumferential Bsad uo doppolt llogratos Workotoff usgsban is, wobwi the in Borotoh the gusset on the edge, two more pipes in this the latter layers connected with sioh lot. 19. Saolc naoh don claims 1 - 3, d a d u r @ h g <-k @ n n @ @ i e h n @ t that it has a narrow cross base on both side long edges is provided. 20, gaok according to claims 1-3, d a d u r c h g @ -k 9 n n z e i n e t that it is made from a section of tubing solder that is at one end on a brtitw, which corresponds to minou SAck @ eitenwand, longer by the length of the flap is cut, this part folded over the tube opening and attached to its side thorn parallel to the bottom of the Dekettonkunton on tooen 21. Saok naoh don claims 1 - 20, d a d u r n h g @ -k @ n n z @ i a h n @ t, that the outer bag is made of synthetic material. 22. Stek according to Claim 21, d a d u r o h g @ k @ n ne @ i o h n @ t, dame the inner sack is made of a more flexible Xunwtwtoff ale the outer sack. 23. ßaok naeh in or more of the preceding claims, d a d u r c h g e k e nn n z e i c h n e t that the side seams bol manufacture of the sack made of flat plastic material as overlapping seams = executed mins. 24. Baek naoh Anspruah 23, d a d u r @ h g @ k @ n ns i o h n @ t, that the overlap @ seam runs on the side wall of the sack against which the flap in the closed state. 25. Saok according to claims 23 and @ 4, d a 4 u r o h g @ k @ n n s w i @ h n @ t that the side wheels of the flap over the overlap seam against The bag side wall facing away from the flap is folded and fastened there oint.