HUE033663T2 - Eljárás és gép talpas tasak elõállítására - Google Patents

Description

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For the reasons mentioned. thick, rest.-mm material w used lo form foe sacks. This thick, resistant mates an aggun vies the formádon of the bottom and tenders h more expensive. Due to the return fon.es oi the nuuedal against Fending it may tKldhionaily occur that the houorns can reopen during the curing of the Dee or that quality defects develop at the adhesion:, This nun parfieuiarly oceur in pinehedhoitoins, beeause die material here is folded oscr by 1 fob. Attempts have been made to correct. the described quality defects via an expensive extended compression,

The ohjecSn. v of the present htvontiop therefore. comprises suagestfog a sack made Γοοη a rexixiam hut a eh primahie óráiénál and sdlf Showing a hratoni ix hich can be benelteiady formed. The ofoeetive is attained such that at least one pinched houorn of the sack is determined by a hea;-indneed bondmg process, hi such pixteesses the eonneeifost between the sack wad and the sack and'or tubular end section folded' over cures when the sacks are cooling, hi addition to tberondiy induced adhesion processes, which ate also advantageous, among other things sealing or welding processes' arc possible as the thermally induced bonding iuocessew Here, the seating or thermal sealing leads to a bonding without the plastic material to be connected being liquefied tn a toed. During welding some of the plastic material is partially traoslerred into a öveit. The rapid, hsadon of the bottom is iurthcr fociban cd when the pinched folding is coveted with á bottom cover sheet, A clever so ices' ion of the sack material cast also teadto remarkable advantages for the forma-ion of the bonom, For example, stretched: material shows: strong resistance, allowing the use of thinner matnnsh CxunpOUnd films or htnunátes can be used advantageously in this context, w inch include polyolefin material showing good; stmtehing characteristics. Mate rials made from stretched plastic webs shove particular resistaneo, A very adYamageOissry used material composniosi diciudys a stretched web. onto- which a xvc!} printable him w&amp; adhered and or laminated w ish the help of an extrudiife

It is iidvhíHaiieons for the mhe section ;o he guided. at least during a portion of its probuerion, pyrpendicidnriy in micronic to its inngirudinid axis through the sack production device and perUcidariy through the station to hum pinched hottoms. Generally.: this occurs in a imnsporUtnon system comprising a couvryur hdt. smosie other things. h is ydv;OUegyous when she ifibe section is gimied at lessi with one end through a guiding element during the ibmtstion of the brumm. l ies eroding elemem should lse formed such that h closes one end of She sack. During the oiosing the ulbe section ytm edveMageousiy he heated, hi pdilienlar when She guiding element is made from metal it eon he heasedi and this way inmsier at least some of tfw thermal energy necessary Sor the bonds is g; process to thy tube see· son

The heating with not air during tbc closing ofthe end of the sack is: advantageous. Mens, the hot air eon be blown urn· the toshuped arch of'she sack material ionning during, she dosing anti Shis way portions Pi thy stsslase of She sack maw; id. w hich shall adhere to each other. can he heated. When the guiding dement is entbodied with dim! wads the sack nwtcrml can be guided hi this end ualb This guiding element may tape!' in the imveling direction ofthe seeks so that the sack wall is mode to comae·.

For site purpose of' this pithbeohon. a device performing several1 processing steps lor the production of sucks is enfiyd a device so produce pinched sacks. Such a device shows -several psvxwssing staSions, In which processing steps are pyrfbrrnea. Siueb devices are Ifequehily called honom layers, because the ídntlahoi) <d she bottom is considesyd a decisive .pyocesstng step. For the purp-rw of this publication the station to form .pinched bodostss represents this pmcesssne station directly Fuming the pinched1 bottom. Fuel; a processing station may eompflsc a separate HWPsportaUon .device k>f H;be sections. i lenemdy such a station is penetrated hy a rmnsportafioo device vilit sewn! processing stations being allocated thereto,

Additional esempku-y enrbodh-oergs ok ifié invention arc discernible from the present description and tbc ekdms. The individual figures shoo :

Fig. ; top view of a schematic illustration oka device fin producing sacks fiiig, a a Sketch of éle;Penis oka totMldömttk^ps>i<1tu'ííi'

Ftg, a a sketch of elements oka hoUomWhrrning station and a eotn|UWs>dnn ηιηροη tog. 4 another sketch of elements of a hot toot-topping station and a eonspiesslon sbaido

Fig, ? a schematic top view ot a hymnrndbiUtfipg station fig, n a scfvntabe top vies- of anther hottomWbrpTisxg station

Fig. 7 a longitudinal cross section through a sack

Fig, h a: top view of a schcntalic illustration of fittotitsr!· dcs'icc tor producing sacks

Fig. 9 a section through a ginning clement along a line ff-B in Fig, 5

Fig, 10 a section through a guiding clement along a line Λ - Λ in Fig. 9

Fig, Í1· a: view of a sack fix ml its dtmt

Fig. 12 a section thrXKtgh a firefered sack, material

Fig, I shoo s a top vkw of a schematic irlasimthm of a device: 17 tor the produermo ok sacks IF. Tbs device IT is shown very schematically, and fivguenrjy symbols Indictne the iimction of the respective processing station, The device 1 / fin the production of sacks I h begins the production process oath a material veh 3. ohofi is oaroiicd in an utirolhng station i Ironx a material roll 2, The matorfid rod 2, simitar to many other symbols. Is romod by bin tor illustmdve purposes, Subscriucpth the web 3 passes u stretcher s in a premíresáing station 4, Tito pre-stressing symbol 3 is sbo shrHvw miauul by Difi",

The -λ eh I reve is ο:- a períl^j í:tík>n station 8. ns which via lasers ά. emhtiiig beam:· 7, esi ír ;ny »:>esled along the imrl'oraboa line 9 Inn; die «eb, !l must also he menlioded ihat jhc perhwütioo occurs ριη··>' io the tube ionoabon ami that here it is performed. whit the help of lasers 6, it shah also he nőinké out thisi she pcs hmmon hue 9 hero is not a straight hue, Details regarding this are suited ist the Ibilosvtng.

The gee· peribrated web 3 reaches the tube ibrntiUion station i 0. Bason on the symbols 12 it Is shown here She cross section of she iábe iorms. Of course, these symbols also show the cross seenob rotálod by v;; a ;H shah lie oioimmKd tSasi the ibrniatien of a tube 15 occurs Item a flat-lying web 2 by saki web bemg guided Over a series of shops ssd rolls, with lateral sections of the web 2 being folded over. ίο the poxhahy of the edges ill. 20 of the web 2, which now contact each other, a section whit msteritu ] 4 overlapping develops, hr site· device shown, during the tube itwmalion, lateral hotels Π sire also fosrmed in the tube 15. thus laterally folded sacks IS arc produced, During iunher tfanbjlfttiatiott:· in the travel direction a a lopgkudimd adhesion 21 is applied in the in erhspping máiénál section 14 in the kmgiludjmh adhesion station Hi, This process f show si by an evirudsr symbol 22. The use of a polyotefinic melt is advantageous, However, the Irmgitmlmai scam may also be formed by way of sealing or welding, Sebwpuenih the tubular wyb 15 reaches a tearing station 23, id vvltich the web is subjected to longitudinal torees so that she tubular web 15 is separated into lube sections 24:. The teanny process is synrhoiiaeil by the arrows 2:5, The use oi dushheh conveyers is advantageous for tearing the tuba sections.

Along iD kkipfíKiiraíl sees, the tube sections ere convoyed in the travel direction z into the rotation and deOectiop sttnlon 26, in which the tube sections 24 are rotated, winch is caused by tire notary tabic 22, among other things:, \her the mtabon a beikedot? can occur. Here, the foisted tube sections 24 arc deflected along a path te.y.,, curve? indicated by the symbol 32, it w advantageous ibra r·· ••union to occur by at least difv

In 1¾. I now the lengiUtdhmi axes of live tube sections are aliened perpendicular lit. icierertee to their travel direction m

In the aligning station 2¾ the tube sections 34 are aligned along two tube section edges (once psnpendiv.u!;o in ηΤηνηκο ;<· the travel direction é and once parade! thereto a This is illustrated by the symbols ait and 34.

In ük station 3.3 fur the formation: of pinched bottoms or the bonom· forming station 32 one end of the tube section 24 is heated (symbol 33) and then the (biding. ol'the respect is e end of the tube secrkm upon Ur tube waH Is performed {symbol 34 a The botion! 42 termed in this manner is fixated in a compressing. stoikm 35, This IVequemly occurs in roller gaps between eompresaioti rolls (symbol 3.8).. The. finished sacks 15 are stacked in the storage station 3:2 (symbol 3 b), This advantageously occurs such that the bottoms of the sticks 15 are placed on· top ofeoeh other.

Pigs. 2 through Its sketch parts of exemplary embodiments of a botumiHbrming station and subsequent compression rolls 38.

Fig. 2 shows a guiding element 39 comprising a cross section winch is inshaped. The guiding elemem 39 i$: doalmvoded and cap guide dm sack material betweep its dual walls 43. -16. A cogs oyer table 49 is discernible neki to the guiding element, in the Imenor chnrohes 41 of t he guiding vie;nem 39 a jet 43 of' a ltot air tube 42 esti be .pivoted by a rotary motion umw 45 ip Fig. 51 about an axis 44.

In Fig. 3 this bot trait 9 dnp ing station is shewn trope a dlllerent apg!e.: with the compression soils 3)1 being addliionally iliasiratcd, while the itltmtmiiop of the hot air tube 42 is waived, though. However, the hoi air tube 42 is shown in Fig. 4. both in a deflected state Idot-dash lines) as well as to the opemtiag position: teonimimus laics p Its -ins position the hot a ο tube blows hot air into the intetaor chamber 4! rddhe guiding ohmrertt 39.

Fig, 5 shows how a suba section 24 is transported ;n sív.:· direction towards the «aiding element. During its monon nw an is She- guiding elemem 3 9 the tőbe section is transported over iné oor# eyer table 40. -with the conveyer beit 49 here t^an^mí'úiöf Ütő three required. Fjem the ciutveyc? taihe 40 üre end $fi of tire tube s-eeisin': reaches the area between the walls 4$ and 4b of the gusding elemem. Here the end SO: of the s«W section 24¾ Ibidért over onto the írom wail. 52. Doruty this process the sash makród Is heated by hot air in the revs of the Ibidbe·, in order to support this process the inner wall 4o of the guiding element 3v maybe heated1 or it may be provided vs it ft r crosses r> above 'die hr me·: I an to be able to reach trie tybe ioatcnaí. in gérterat. tie. moor v ;di 4b ends in the travci bireehon t before tlk· outer xval! ends (log.· }:#}; One or both V· ads of the t tfx: section may taper like a ihnnei in the novel direction e. fit is way, the distance 52 between the esierior walls 45 of the guiding dement ob becomes smaller in she travel direction 7., 'The line 47 is the section kulhest apart from she center of the tube 56< ip which the gwhine clement 5¾ (with its bufef wail 45? guides the sack mweOri. It is advantageous for this hoe 47 to be inclined in the imvei direction witravel; direction shown by dorwlssh line 51. incline shown generously by site angle as. h is lfet|uettf!y :xh amageous to incline the entire guiding elemem 34, as doxxsmhU: irons Fig. 0, In Fig, 6 the illustration of the hm air tube 42 has been nrrdttétL

Fig ? m··.;·..· wore shows a cross seedon through a pincitcd snl 1 5. in which: the end 50 of the tube see I ion 24 is folded over onto life been wall 53 of the sack id. Thus, the (hiding oceans about an angle ot' approximaicly I bfF and here forms a folding Íme, which .shows an angle of 90?: i'i reference to the kwgimdlna! axis of the tube section, it is also diseemibie thnt the from wall 55 (bided <n# js shorter than the war wall 54 folded over.· which can develop from an uneven perihrahoo cm ff; Fig. If Such an embodiment is Mventageotss. Based on a viesv of a sack IS horn the front flfom wad 53) rig. i f once more explains the sante obfeets as IHg, 7. Vhe center of dm sack 5b and the axis ofibe tube sec; test 57 are explained. here.

Fig. 9 shows, ,i\ siraady mentioned. the u-shaped cross secnoo uí the gtndjng element in a more detailed manner and οΜπΙΐΟΟ, among oilier things, the importance of the distance 52 between line outer walls 45 of she gaidisrg element as wed as she importance of she guiding fine 47, Such a cross section is discernible when the guiding dement 39 út Fig, 5 is sectioned, viewed in the direction sketched by she arrows 05. and the view is reduced to the feuSures of the guiding element 39-

Fig, 19 shows the cross sectionA-Λ through the guiding elemem 39, with hot air being blown into its interior space 41 by the smgele 45,

Fig. K -dn>vs ttn alternative device tor tbc prodoehoo of seeks IS, comprising two device eonmonents 69 and 63, The deb tee eoinponem 63 represents a tyhe-terming device 65. whose first the processing stations i> 4, 6, Ilk and lb are equivalent in their tüneti on to the identically nmubered operating stations olohe devise 11 «>£ F%> I. hob ever, the tube IS, llormcd alba the longitudinrsl adhesion station 16, is Wound to a tube roll 59 in the winding station 64. As discernible by dte arrows 61 and the angle 59 (dot-dash Iinast, it may he transporsed io the winding starton I of the aUdttinnd ho tnmv looms og device 60, Mere, the tubular web In is unwound and reaches dm tearing station 33. in which it is separated low tubs.· seeilons 34 (ntrows 35k Instead of a tearing of the tube sections, .other separating ptiileipies, such as tutor ;d enuing, are also possible. The futlher (ransperiatkm of tube sections 34 occurs to the travel diréebób % which Is perpendicular in reference to the unwinding direction of the tubular web 15, Transportmf -o and processing oeeur by the stations 29> 33. 35. and 37, which in turn show the same bwetions as the idewicsiiy nambercef stations of the device 17. Fig. 12 -shows a cows section through a preferred such material from a web 66 (preferably a at retched polyolefin web), exmsdase 67. and printable iilsn 66 in general, these layers am commuted so each other and nos distanced, Intetanedldte myers. perhaps cosopristng paper; are also possible.

Fig. 17 -..utce n .· ϊ i.· shows she interior wall 46 oft he guiding elesnem 34. shown: in Fig, 9. in a sop view. Only sík: huend ginning: idle 47 and the end line: 69 of the outer w ail 45 are shown in espies' o · avoid hindering the >. sew So she inner wmi 46, The inner wall 46 shows ;t bead '4s. i.e. h>: dsshsnee thuo she outes wifi and thus isiro: to the Upend guiding Hsie is reduced and-fót· b points towards it. This has proven advanUsgeous.

Here, a hot air nozzle blows air largely orthogonally in iviesmet so rise travel dlswelson of the semHIniehed sack snaies i;d z iniό the interior spited 44 of she guiding döntess! 54 (in the s.·· ddvedonk Thrs bossebeialfv occurs ídsorSly beidre .Or behind the end of the inner waif in she z-dbzatiinn. Hes'W she area is atívaiiíágeoas in which the IsaiCr wall 44 has just ended ami tbc outer wah is still present, 'ditoniy before nr shortly behind'' n sea ns in this cosnest less dtast 5 cm. adtansageonsiy howwc; less than 5 ·.. sn The distastee between the guiding hoe 47 and the outlet ef the nozzle 43 has pros en erhieei as well. Here, is is ads osoageous if is can he adjusted to less than 3 -an Even greater advantage;! east be achieved if this distance enn he adjusted to i5 to 5 aim and: If saefx are produced. ahes the adjastmeni of the above-snesuioned distances.

List of i'dVrínu’s.' cfe-arsu-k'í's ] unroUrog station 2 web winding 3 n ebosndena! web 4 prcmí basing' sí alktn 5 ipssswimsNifig symbol f> laser 7 beam 4 perforation siaUoi!· 9 pCS ibiadon Hm.'

Iii kihC' ínnO·;·!;; station I 1 }»ía;il ha ki s 1 2 symbol kW mbe cross secíjo;r 13 54 iwedappbut matéria! 5 5 vivbc / bpitftm <»í the tube Ϊ í> kmgsmdinaíiidbesion atótiua S 7 deviee í'or producing sacks 18 sacks ! 4 edge oí Öté web 2d edge <4 the web 21 kmgimdinal sbheskw 22 emruder 23 leasing ótmkw 24 Síibe sections 25 snows 2b rotary atul defenion sísoon 27 rotary isibe '28 deflection 24 aligning station nil symbol for aligning station 31 symbol for aligning station 32 station inr iPsnSising piisehed bottoms 33 symbol icy heater 34 symbol Sor folding. 35 cessspeewbon Modors 36 sysnbei tor Mos ago 3? StCW3geMWÍ«n 3H mvsoee π db < xysrsbo! tor rgewuse roils 3b guiding ηΙοί-ροην 4U table 41 smes'UW císíoobes^ ót dse geuimg eicsttem 42 hot ais-tube 43 nn//u:· 44 irt tasty axis 12 omer wsdt oil the guiding element 46 istster wall o;t'thsí guiding densest; 4? Uucuii gu-íussg Íme 46; u-í'í'm^' '&amp;Jií íxv'ííí'íí; -iMVíi-rv motion 44 eestveyer béri >0 ead ni tbc tube section 51 linó 52 iimsaace 53 fr·; 0:1 w ali 54: róni' v. sít 55 íokii'og lino 56 cest-es oí ttíbe rcits·;:· of so cl. 57 krimit üdítuis: S4S4 nfUfc* seek / sa!\: sou (Vas 5H nandisty atatlon 56 subobir o eb winding 60 ísddidoiwd beütöm íáyor dot ice compsmen? 61 nmnv tt^ans^ís'í't-ivííoft of tbc winding) 62 pinebyd h< 4:00: 63 additiossal tettom b\ ing device /device eoraponem 64 winding: shdktn 65 srrcfwg s'η the direction old Sew of Fig. 9 66 web 67 extend ate 65 bins 69 end Sine of she on ter wall of she nnidin e elemem 70 head of she imenoi Wail of she him inmJinü eleméit! 7 i distance between.the outlet of ihe nozale 43 am.! the Imeral gyíáing íme47

Claims (12)

1. SZABADALMI IGÉNYPONTOK ELJÁRÁS ÉS GÉP TALPAS TASAK ELŐÁLLÍTÁSÁRA

   1. Eljárás talpas tasak (18) csomagolóanyagból (3) történő előállítására ·· tdiol a talpas tasakmk Ü8) van egy íasakteste, amely lényegében egy tonúddarabhol <24) áll, - ahol a csomagolóanyag (3) legalább részben műanyagból van. és - ahol a irtsak (18) legalább egy talpfenekét (55) egy melegkötő eljárással rögzítjük, azzal jellemezve, hogy a legalább egyik tasakvégen alakítjuk ki a talpfeneket (55) alkotó behajtást, hogy a tömlődarabot (24) a hosszanti tengelyére (57.) merőlegesen egy vezetoelemmel (39) vezetjük, ahol a vezetőelem (39) duplafaltí, és a íasakanyagot a dupla falazat között vezetjük.
2. 2. Az előző igénypont szerinti eljárás, azzal jellemezve, hogy a törnlödarab (24) végét (50) a talpas tasak (18) elülső falán (53) körbeburkoljuk, ahol a körbeburkolt elülső fal (53) rövidebh, mim a körbeburkolt hátsó fai (54).
3. 3. Az előző igénypont szerinti eljárás, azzal jellemezve, hogy a legalább égy (asakvéget (50) melegítjük, miközben a vezetőelemen (39) átvezetjük.
4. 4. Állomás (32) talpfenék (55) kialakítására, amelyben a törnlödarab végei behajthatok és rögzíthetek, ameíy magába foglal: -- egy szállítóeszközt (.40). amellyel a tömlodarahok (24) a hosszami tengelyükre (57) merőlélpen szállíthatók. - egy meiegítöcszközt (42) amellyel (42) a tomlodui ab (50) \égé melegíthető, azzal jellemezve, hogy: van egy vezetőeleme (39) amellyel (39) a törnlödarab (24) egy vep a szállítóeszközzel (49) való szállításhoz se/ethctő és hajtható, ahol a vezetődéin (39) duplafaiú és a tasakanyag a dupla falazata között vezethető és hajtható.
5. 5. Az előző igénypont szerinti állomás (32), azzal jellemezve, hogy a veptöélem (39) egy lényegében ll-alakö keresztmetszettel rendelkező területet tartalmaz.
6. 6. Az előző igénypontok bármelyike szerinti állomás (32), azzal jellemezve, hogy a vezetődöm- egv vagy több falazata tölcsér alakú.
7. 7. Az előző igénypontok bármelyike szerinti állomás (32| azzal jelémezve, hogy a melegítőeszköz (41) egy fűtőelemet foglal magába, amellyel a vezctöelem (39) melegíthető.
8. 8. Az előző igénypontok' bármelyike szerinti állomás (32), azzal jellemezve, hogy a melegítöeszköz (42) egy levegömeíegítő eszközt foglal magába, amellyel a vezetöelem (39) területére: (4 i.) levegő fújható.
9. 9. Az. előző igénypontok bármelyike szerinti állomás (32), azzal jellemezve, hogy a melegítöeszköz (42.) egy ievegőmelegítö eszközt foglal magába, amellyel a vezetőelem (39) az li-alakú keresztmetszetének két szára közt található vezetöelem (39) területére (41) levegő fújható.
10. 10. Az előző igénypontok bármelyike szerinti állomás (32), azzal jellemezve, hogy a levegő a vezetőelem (39) azon területére befújható* ahol a belső (40) vagy mindkét falazat (45, 46) végződik. 1L Az előző igénypontok bármelyike szerinti állomás (32). azzal jellemezve, hogy a tasak féltennék végei szállítási kányába (z) a két falazat (45, 46) közül a belső (46) előbb végződik, mint a külső falazat (45), és hogy levegő fújható a vezetöelem (39) azon területére, amelyben a belső falazat, (46) végződött,
11. 12 . Az előző igénypontok bármelyike szerinti állomás (32), azzal jellemezve, hogy a belső (46) mindkét falazat (45, 46) végén egy bütyökkel (70) van ellátva, amelynek egy, a: tasak féltemték -^állítási irányára (z) merőlegesen lévő térbeli irányban (x) a külső falazat (45) irányába halad tovább a belső falazat (46) maradékaként,
12. 13. Berendezés talpas tasak (18) előállítására, amely a következő tulajdonságokkal rendelkezik: - tartalmaz egy lyukasztóeszközt (8) a pályaszerü anyag (3) keresztüllynkasztására,: - egy tömlökialakítő eszközt (11) a tömlőnek (15.) égy anyagpályábői való előállításához, - egy letépő készüléket (23), amellyel (23) a pályaszerü anyag (3) a períbráeiős varrat (9) mentén eltéphető, azzal jellemezve, hogy * tartalmaz egy lassító eszközt (1) egy anyagpálya (3) lassítására és - egy, a 4. igénypont szerinti állomást (32h