BE628885A - - Google Patents

Description

       

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  Machine for hermetically sealing packages. The present invention relates to a machine for hermetically sealing packages and relates more particularly to a machine intended to successively seal inclined marginal portions of packages such as pouches intended to contain smoked bacon. (hereinafter referred to as "bacon") and similar articles.



   Bina the past, a considerable number of bacon pouches have been designed and released for sale in the United States of America, These pouches

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 were forait on oarton, paper or chipboard fiber
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 merée, coupla and untullléaa to define the reopening rnbace on two or more cbtr4e. In 3'.ambnlha, u otaaalquu of LaoOn, due echolon trench, u ': = ra; r, i8un tnn un 110id .; total of about 500 C, and binder plao <! da by hand, on the bnuu of the pocket and the flaps of the folded in nmnudllltmunt on leu dxtrdu1t4 or on the side of the pilu of the slice of baoon, duux rt .batu oppoode dt! tnt ùnuu1 td
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 gathered in lntroduintint, tinorj unu hay manuullumont, a laneuuttu or an edge of a due mbata in Gravera ina Ouvurtura or a4 fûntu in the other ri.bat.

   Once this PNr: l1'N opr,: 1: 1on urru1n.S ", we untou- rnit any package of a tranpnrontd pulliculu .u8cQptibl of a hot acullMtaont, ot finally we proceeded to the scaling by hand or IL Ih machina.



  It is obvious that for ft "ctu", r un toi um- bHllagu an air crnnda, an important miln-d'ouuvra was lndi p4noabla. O'uat as well as since strong lonetumpe already induatria 8fdc1al1s4u uet h la rochurchu of uno ml..ch1nú c.-pablu of acullur auto- mat1'luOltmunt unu rochuttu of bacon.



  Dnnn lu (a :: 'l1ndu des Bruvjt dae Jtatl-Un1s d'Amérlquo n 770.094 of 2H Octobru 1956, called "Food Conttinar and l'roceaa ot -Senl1ng th <t Same", the Applicant described a tuballaje à bacon com -
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 take a packaging element formed from a blank
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 a rectangular weakening which has been cut and notched to form a base and a single nibat covering the entire nozzle, this flap having sens1bleLen't the same extent as the baee, so that when

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   folding, loe adhesive tapes provided on the inner surface of three sides of the perimeter of the flap
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 come in accordance with the adhesive strips
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 on the three corresponding oat8 of the perimeter of the base., there is a common folding line * forms the fourth this' !.

   In such packaging, the opposing sides are mutually parallel and perpendicular to the adjacent sides.



   Once the bacon is placed in a pouch of the aforementioned type, the latter is sealed by applying heat and pressure to the
 EMI3.3
 oxternoa surfaces of the three cities indicated, this Heat uses this prônai on being converted to the bands adhering to rS6rd and forcing them to be scaled hométiquumunt.



  The apparatus which is the object of the present invention makes it possible to automatically shoe #tt \> Utttf *. do ¯1 \ 9Oft and 414uteme 1 \ 1 "'1018 ..: 1.1111.1- res, by the same process as in the bacon wrapping machine described above, a machine in which a pocket has at least two borders.
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 of nuellouant, where the border is inclined and preferably perpendicular to each other. Very briefly, the apparatus of the Deman-
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 dal "88a4 where a frame or support frame is mounted on which are mounted two priaa1roa or main transporters m anle with respect to each other, one of the cases carriers detained the transporter of the fine and the other the unloading transporter.

   The transporter of amon4o receives you from a goulottu of pocl1uttoe uni series of po-

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 EMI4.1
 The relatively flat obettea and then routed them on a predetermined path along which the borda opposas of each pocket are heated by heating elements and then come on.
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 doc pairon opposites of the knurled roller of ocelle- ment which applying preaaion to the hot-acellable material between the edges of the pockets.

   After that, lo rouluau aaaooi4 to the transporter of a- mon4u transfers 8UCC08such the pochuttua on the end of the unloading transporter whose
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 li path have perpendicular to that of the first carrier, with aorta every inch.
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 chette is achumindu vurs its point of unloading dune a direction perpendicular to glue that ull. was following on the anion transporter4.

   On this new route, heating elements are installed which heat the adhesive material on the edges.
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 aaeajpe * 941140 go @ ppehattba, -% Yttoq da <! opposite zeep of the moluted rolls of aoullemunt come on the edges in question of each envelope and thus complete the sealing operation, the envelope
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 loppe are then unloaded from the machine.



   In the process described above, the pouches must be held securely but
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 elastic on the conveyor so that the edges keep the correct position a view of their contact with the heating element and with the sealing rollers, while being easy-
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 easily in the event of misalignment or incorrect bending. Dana or goal, auxiliary transportera sets are planned

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 beyond the valley of two main carriers.

   This@
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 onaombloa uuxilinlrue comprunnunt each due elbots which tvndunt to flatten lun pochjttua and due tzlanig-0 port) 11'o auxil'Bir "8 whose movement oot synchro- ni. 94 âv .o.4Jelui doa * tranaportoura main ruts- pactife for dirigur read poohettoa following due par- tourj3- prdd, 4tumih4a, read auxiliary transporters roouvant luur mov, rmunt from rbro8 entra ± - umont which supporting for a pivotumunt drne a t> lan V () rt1c'11 the onaumblun den auxiliary carriers Q8.

   The machine comprises ul # unt unu plnquo t'r.11gnalDunt plaoïj has c8t.1 of an edge of the uxtr ± mit4 tu char; jmont du trunaportuur du dch8r ..ment, this lacqueron cooperating with an organ of the euntraüu doo pochuttea from the released tullu that at the moment 6Ù each poohuttu is transferred from the trenaportuur 'umn3v to the transporter of the discharge, it 610nt .on contact with the organ of Centrale which the wifeq countered the plaqua of al1Locunt, had adjunou- mont ineurant lo correct placement of 8ucce81v8 pouches on the unloading conveyor.



  The pr4QJntu invention also provides
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 a machinu of a modified type which includes a single
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 main tranaportour ot soft auxiliary carriersoja a tandem. Lus pochutt8 bacon porteos by the truneportiur brought paaaunt first to the pr1r tr '<naportur auxiliairo, loura borde oppoa4a 4 as acsllae by the elements of the acttiloount a hot montas sur' lys opposite side of the prvmior trt81) Ort " auxiliary ur ut <! as then p08S & Ù8 by back rollers to force lu3 horcdti-

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 , qudment.

   While the pouches @ or moving on the main carrier 'aÍ! R1rG "ant of one duaaoua duaaoua
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 preular auxiliary transporter, they vionr.unt .... uco (J.81 V) t! lon t. ,. Contact ID by. a corner with an 8ur- face of the cnma which luur Impresses a pivoting of about 90 ', ot from the point the pochottoa paoeont auoouoalvimunt nu-duaaoua of the eucond tleu8-' carrier nux1l1a1r. Pvndnt: the paseubu us at the au- cond auxiliary conveyor, read the edge of each pocket aw finding a tru ioa borda pr-îcdummunt aoell4a uat h a round of board heated ut uneuly sealed, as carefully explained, If the packaging had the pochuttu of the b-toon wears a pattu or lur.uùtt8ur ld anterior edge
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 of the flap, a rotating ldmont applique cotto patte
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 on the front flap read 8c11mnt hot.



  Read machined aomptuhnnt payment a datuur roll which printed the datu on the cover, jan conoéquonci, lie principal buta de
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 the presontu invention had to provide: - unu machina has acjlljr lu po- Chettos or oubullague puraottnt to do away with a large part of manual work n4oo8uB1r8 in the packaging of a prid6tumind weight of the bi.con an
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 trench;
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 I
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 - unu tel, manufacturing machine
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 puu ouuuau, de conetruct1on'cSurBblo ut do tonp- tionnomont otf1oQa. cuttu machinu being able to seal aucceaaivwtaont lua-borda inclined don poohettea relatively flat;

   - a muchinx tulle which folds a

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 flap of the pocket on its oase read lon a line of folding oo = unj in order to enclose the contents between
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 the two partioa of the cover ot which then
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 Automatically seals 14a three remaining borders by a $ plion4ion of chtlaur and pressure * '#' "" .. * ',. # - uno tollo machina in laaujilo lea poCtt08 oucoûSSi; 3S are attached ot in which each pocket is easily ruatd to the oosibla ot can 3tro onlevéo without difficulty, anna that for cola read functioning of the machine is disturbed1 or which concorno the handling of the other po-
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 chettua;

   - a tullu machine which is equal
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 mount effective for the acullemant of a series of pouches, that case dornièrae are provided to the machine by charging auooeaaivca each comprising a small number of pouches or in a continuous way 1 and
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 - a machine tulle which, we
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 ball oi Rage operation, 8ull the pooh4ste and y
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 printed the date.
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  The abutment and advantage of the invuntion will result from the description which goes a 3tru given below, we refer to the accompanying drawings on the aquula of the t1uuro 1 where a plan view of a type of a machine for sealing the pockets oonetruitu according to the invuntion
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 Figure 2 is a perspective view
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 poctivu a bacon pouch containing bacon and can 3tr \) acolléo in the machine of the fi
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 lasts 1

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 EMI8.1
 Figure j is a partial plan view and on a larger scale of a detail of the figure showing the flap member of the flap; Figure 4 is a trane section
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 verealu by line 4-4 of figure J; FIG. 5 ùand a view of the oaté of the part of the machina rupréaontéu with the flower 3;

   figure 6 have a vortex cut
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 oale to plue arand echoll by line 6-6 of figure 1 figure 7 have a vertical cut
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 oale with greater high eohullu by linw 7-7 of figure 1; figure 8 is a trana cut
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 , vurnala 1 larger debullu doa rouluaux h dator and a noullor eulhutt be uuiiafa tiMe the 11htnd of figure 1 figure 9. is a trane ooupo
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 voranlu by line 9-9 from In 'guru 8; Figure 10 is a plen doe datuure rolls appearing in Figure 8; figure 11 is a side view
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 to more ran eohdllo and partly torn off from the machine of figure 1;

   figure 12 is a larger-scale view, partially cut away, of the floating bearing assembly for the machine of figure 1 (figure 1) and a plan view

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 EMI9.1
 and h greater echullu, avue partial tears, so that the equipment will transport auxiliaries for the machine of figure 1:
 EMI9.2
 Figure 14 is a view of the side of the onsumblu doa auxiliary transportoura of Figure 13; figure 15 is a side view
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 uno formo modified by invontion; and figure 16 have a plan view of the machine ruprénunt6u a figure 15.



  By not téfémnt firstly in Figure 2, 10 iHai.nu in general a h baoon-can 8tro pouch sealed in loa maoh1nQ8 eulon the invention. The pouch 10 presents a beautiful plate 11 formed of agglomerated fiber ot carrying 500 g on-
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 viron 'of bacon a tranchas 12.

   The pocket 10 also includes a flap 13 formed integrally with the base 11 along a common edge constituting a fold line 14. The perimeter of the
 EMI9.5
 pocket 10, including the flap 13 and the base 11, is covered with an adhesive 15 adhering by heat and pure, pruaaion, read the flap 13 having the mdau etunduu which the bus "11, of the lot (. qN 'after folding back on bacon 12 ot after application of chalour ot de prussion read long due borda opposite 16 ut 17 ut of outer rim 18, llhdhéoif smokes hurcét1quum6nt flap 13 on base 11, a suitably enclosing bacon 12.

   A pattu 19 is train on
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 the outer edge of the base 10 dt folds normally over the outer edge 16 of the flap 13, we
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 constituting a conciode handle by which the

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 EMI10.1
 
 EMI10.2
 pochetto 10 puut btru open or roform4a after
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 to have been opened.
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  While the, cover which fltro ddcr1 t opnviunt -part1cuUr.ùm \ lnt b1 (J! 1 for an automatic acellouont in the machina according to the invention, it was no less obvious than that of the cottu thing. . puut ecallor d'autru8 typua du) pochottuo or onbullagea.



  On lus fiuuroe 1, 69 7 ut 11, we can see that the machine b scullbr comprises a frame of structural steel and comprising a vertical upright adrio 20 of which loo \ lxtr & c1 us lower are supported on a floor or other horizontal surface. The 8xtr'l.li td ..- sup & riùuru. rising duo 20 are rulidue by interior and exterior longurone 21 and 22 which have longitudinal, 0.- IJUPBC & U8, pBrBIU "1". and are part of the Odlnodn4on part of the uach1n. Bva longdrone do ronfor- coment as 23 are eapnc4a parullèlumunt below the longurone 21 and 22 ut have uxtrd- mites laure attached @ to port1on8 1ntùrc6d1drQ8 due taon- aunt 20.

   Lus "xtrt11tB oppoaua due riser 20 also support dua interior and exterior spars 24 and 25 which oldtunàunt a ld a6m horizontal plane that the spars 21 and 22 but purpen- diculairdment to them since they dteaurvunt the unloading part of the mah1no. the oxtrm1- tés lnt4riuuras den longdrona 24 ut 25 being 8- t "peotivumont ruliéue aux uxtr'1A1 d8 1nttrh \ lrt1e don spons 21 ot 22.

   Une travurue 26 rolle lus external ux- duke spars 24 tt 25, fit

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 metal panels keep the panels 27 to the fijuro 11 covering all their surfaces of the
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 ohaaeia thus force to avoid an accumulation of doo 8s1tde h its interior, We therefore see c, a beti of a structure
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 8nr, \ 1 "8 'is formed and having a flat horizontal upper surface obtained for the assembly of the mechanism of the machine according to the invention.



   Referring now to the figure
 EMI11.4
 11, vertical duux pitliurs-oupporte ut oppon4a, tala quo 29, are mounted on the spars 21, 22 near their uxtr6u1 téf uxteriourie. A bearing-support 29 maintains a journal antro to a shaft 30 for the horizontal conveyor. A feed roller 31 is mounted on the shaft 30 ontre read paliorb 29 ot an endless conveyor belt 3? pass' on co roulonu 31,.



  9Lt) has strand '' \ 8p.r \ n 'and iufdriuur do the belt, IF stinking vora inside ut around a roll of! ontrrinum4tt 33 that can be seen in figure 6.



  14a roller 33 have pure port a drive urbr 34 of the conveyor which is on its side mounted for
 EMI11.5
 journal bearing dims - supports only bearing 35, fitted to spars $ 1 and 22.



  The strap 32 is slightly smaller than the length of the aortic pouch 10 that the edges of the pouch protrude beyond the soft back edge of the ouroio 32 when the pouch lands on the oourroiu coat.



   For the misu on rotation of the shaft 34,

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 a notuur 38 uat mounted in 1: bat1 above the shaft (flower 11) ot ntltn a reducer 39 which oompr-jnd including a pinion 40 jntrminant by the interaéliairu of a uhuîno 41 a pinion 42'culé on. the arbru 34 .. Ainoi, the rotation of the motuur 36 communicates a muuuuuunt of rotation to the shaft 32.



  3ur lh party uxt6rluuru of the tree 34
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 is told a pinion 43 which turns jointly
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 a'Vuo this ut shaft drove endless uno chhtnú 44 which also bypassed a pinion 45. Cu pinion 45 brought to one end of an arbro 46 which is mounted in uno pairo de curtl1rl do trans (11ss1on o8pacB 36 and 37 shows on the ilatuforme 47 ot carried by lue lonburons 21, 22 respectivomont Due trees
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 truncated 49 ut 50 directed towards the interior are
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 also mounted on the casing 33 and 37, neck ar- brea being over-the-daaaua beyond the shaft 46 and parallel to this one and being entered the same vttooçv qva Itarbro z paf Iwo reuas denteea, n.'8 rtuuren ( not ruprieuntdue) t arranged in the 36 t 37.



  It will be noted, an ae roportant in figure 7, that the tree 46 extends beyond the upper strand of the oourroiu 32 and tranavors.slumont
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 compared to this one and also that the trees 49
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 ut 50 aont parallel to the shaft 46 au- do a au a du
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 upper run of belt 32 with shafts 46, 49 and 50 adjacent to feed roller
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 33. The organou used to apply pressure to the border of the pocket and which can be, for example, fluted rolls at 51 and 51 ',

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 are shown on trees 46 and on the inner ends of trees 49 and 50, next to duo borda
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 opposites of the upper run of the belt 32.
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  Iumedlatoment over the upper strand of the 12P belt a metal plate or sheet
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 rectangular platu 52 with an opening oontrulo 52 'serves as a support for the progression of the upper strand of the belt 32. The purpose of the central opening 52' is to allow the central part of the belt 32 to stretch slightly.
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 to rocovir the partio contrrait * voluminous uno
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 pochottú 10. The support plate 52 extends inwards h side of the roller 33 and is light.
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 wider which the belt 32.

   A series of stirrups.
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 trnnsvuranux, UfJ, aC8 ut an inverted U forciu 53, 53M b-153 .: extend upwards from the sur-
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 faces or periuurus back side members 21 and 22 for
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 portor on horizontal ponition the plate 52 in oleton9nt towards lluxterluur on opposite sides of glue, as we could see in figure 1.



  . Due to the longitudinal heating element and opposas 54 ot 55 are placed outside and near the opposite side edge of the plate 52 and are duatinde to recover the edges
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 side a projection 16 and 17 of the folded pocket
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 of bacon 10 carried pnr ln conveyor belt
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 32 to warm her up as she progresses
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 towards the inside. Loo heating elements 54 ùt
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 55 include respectively due slides 56 C
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 57 mounted on lua Striera 53b, 53g and 53d paralièlum4nt ut at a distance due to edge of plaquo 52.

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 EMI14.1
 



  Plates forming a vertical rim 58 and 59, which are related to the outer edges, respectively.
 EMI14.2
 ment due oouliaana 56 and 57, 'support don rdohaut .. feura ructnngulairou oreux GO and 61 on and slightly above 3 due coulteais 5 ot 57. A reel
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 electric heated tulle 62 have shown in
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 each r6chnufYuur, with appropriate connection to a 4 "current source included,
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 It is therefore conceivable that the heating elements
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 fnnta 54 and 55 dSt1ni88nt two fentua lon;

  itudi. nalea opposed to opening rers the interior and deo- t1n8 to receive leo borda 16 and 17 of the bag of bacon 10, this slits or finding aenaibly dhno lu plane of the upper cake of the strand au-
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 belt 32 and in alignment with the
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 junction due to rollers cnnilde 51, 51 'at extriuu-
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 are immediately visible from this junction. To advance the bncon pouches
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 10 already forojun towards the tranaporteuao belt 32, there is provided a mesh trough 70 at the anterior extract of the dunenéd conveyor. this chute 70 comprising soft corniru. -mdtu1l1quIJo double curvature, opposite and ü8pncd8 71 whose wings hor1zonta1o a 'extend longitudinally ut are attached to the 8urtacùa 8up'riuUj1) of Striera 53, 53a.

   Views in tranaveraale section, the wings vor- UChlù8 of the angles 71 constitute guides and are eUf'QCé08 from a distance, v1grtl :: a greater than the width of the belt tninaportuuau 32, while the wings horizontulca o'extendunt vurs the duhon. After roll 31, the corniru8 71

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 EMI15.1
 upwards and outwards, and are provided between them with transverse flaps ae .. paces.T3 and 74. ou volute 73, 74 eupportwnt a y a4riQA <i tie-je uBacd8 75 which form an inclined trailer abutting the surface of the belt 32 on which the bacon pochattoa HERE are placed;

   "4u-d.rasus of the flap 74 is provided another flap 76 also supported by the angles 71.
 EMI15.2
 From the central part of the scroll 76 and extending inwards is articulated an arm 77 carrying a roller bearing at its free end a vertical proaeeur roller 78 which bears on the central surface of the belt 32 and rotates when the belt 32 advanced. Back support finger es-
 EMI15.3
 paced and parallel 79 extending them also long- tudinally inward and outwardly of the flap 76, the portion directed outwardly of the finger being Mun1bl.unt parallel to the rods 75, above glues here, while the
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 inwardly directed portions of these three fingers extend parallel to and above the anterior portion of the belt 32.



   We can therefore see that when a cover of
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 Stack 10 is sent to the machine, it wraps between the shank 75 and the fingers 79 to end up on the belt 32, passing under the fingers 79 and the roller 78.
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 The onenble auxiliary supply conveyor
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 liairu bearing the rUdl'tmCIJ of onaemb76ot appa-
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 raisaant clearer-mount on tiuvrua 13 and 14

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 comprises a shaft 80 disposed parallel to the shaft 34, this shaft 60 journalling in floating bearings, so that it reads 81 b the t1au: -IJ 12, carried by due 8U}),. 82.



  Ion paliera flattering 81 peruettont a vorticisl inuit4 movement of the tree 80. rart1cqltreunt. - in figure 12, we can see that each palior support 82 covers two vertical organs and complements a shape of gutters 83, 83 'which are mounted on the bearings-supports 35, the oxtr4-
 EMI16.2
 mitda upper gutters 63, 83 'being joined by a cross 64au. Still in FIG. 12, it can be seen that the bearing 81 has a diameter
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 the greater the distance between the wings of the outlets 83, 83 'and the greater the diatanoe between the interior allos @ of the gutters.



  Thus, the bearing 81 is free to move a limited vertical distance, but is free from any horizontal movement or torsion to the care of its support 82.



  The shaft 80 repaired beyond a bearing support 88 b2 and carried, outside it, a pinion 84 on which failed a relatively loose endless chain 85 driven by a
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 pinion 86 onld on the projecting end towards the outside of the shaft 50.

   Lu mou dune chain
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 i 80 beam caught by a lever 87 articulated 6 a shaft 34 and carrying idler pinion 83, the lever 87 being requested to pivot through the yardstick
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 by a r0880rt 89 to push the pinion 88 upwards, oontru the chain 85 untru the pinions

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 84 and 86. /
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 Comno we see more particularly in Figure 13, a Strier on U oat placed ur against 1 # 'shaft 80, the parallel branches 90 of this otrier 3tr.nt purodeo de hole aligned to receive the shaft 80.

   The amo 91 of the stretch was porco of a central hole through the loquul d1}) uusu one end of ut. Comprossion arm 92 of which read keeping in position uet ensured by due Joroua do locking 93, 93 'vlesds on the arm 92 on the opposite side of the amo 91.
 EMI17.2
 



  A stirrup 94, in all points nomblable in the preceding, oat mounts on the IJxtréu1 t oppou4o of the brown 92 and is held in view of a l4gur pivots- mounted on colui-.ai by nuts 95, 95 '. ?. of .branchus do 1 * 4trias 94 support a transverse shaft 96 which carries the outside of the lldtrfur 94, due idle rollers 97, 97 '. Soft cour- roios'ran9portoU8QS endless auxiliaries 98, 98 'roll up onto rollers 97, 97' and wind up
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 parùl110munt around similar rollers 99, 99 'on the shaft 90, the belts 98, 98' being driven by the rollers S9, 99 'during the rotation of the shaft 80.

   The width of the back transport belts
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 . all 00 98, 98 'dt their ospaconant are such that the outer edge of the belt 98 starves in the vertical plane of the edge of the belt 32 and that
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 the outer edge of the belt 98 'ends in the vertical plane of the opposite edge of the belt 32
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 Sleepers will space 100, 100 'aléten-

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 tooth diametrically h part: of intermediate portiono of the compression arm 92, the ends of the cross member 100 bearing complementary patina 101,101 'and the ends of the cross member
100 'wearing deo patina 102; 102 '. Each skate.



   101, 101 ', 102, 102' comprises a vertical support rim such as 103, in the upper part of which is pierced an opening for the passage of the associated cross member, for example the cross member 100, and a flat horizontal plate, in outward projection, such as plate 104, having front 105 and rear 105 'ends folded down towards the hnut. The plates such as 104 of the patina
101 and 102 are long, aligned elements, a little narrower than belt 98 in order to reopen a portion of the inner surface of the lower arm of belt 98 and push this belt against a side portion of the belt.
32.

   Likewise, the pads of the shoes 101 'and 102' push the belt 98 against the other side portion of the belt 32.



   It can therefore be seen that the belts 98, 98 'of the auxiliary assembly 66 normally rest on the belt 32 of the main feed conveyor and are driven through the shaft 80 in the sinistrorsum direction observed at the start. Figure 5, while the belt 32 is driven in the dextrorsum direction at substantially the same speed as the auxiliary belts.

     Ainni, the lower strand of chncunu of belts 98, 98 'comes against the upper surfaces of the pockets

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10 while the glues are brought inwardly by the belt 32, the pads 101, 101 ',
102, 102 'which can pivot of sufficient amplitude to allow the lower end of the belts 98,
98 'to come onto the upper surface of the pouch 10 regardless of the particular contour of the latter.



   To ensure that the arriving pouches
10 pass under the central core 91, a flat plate 106 is fixed at one end by rivets 107 to the central core 91, the plate 106 protruding between the patina 102, 102; and below the arm of com = pression 92 and comprising a free extremi.té 108 folded up: e.



   It is understood that the shaft 80 is read as the only member ensuring the maintenance of the auxiliary assembly.
66 in position above the main belt ja, and thus the auxiliary rope can be lifted by pivoting the shaft of the shaft 80 to access virtually any section of the upper run of the belt 32.



   It is also understood that as the conveyors 32, 98, 98 'move the successive pockets 10 to the inside, the opposite edges of the pockets slide into the castings of the heating elements 54, 55 to heat the adhesive which they are. are wearing. As the pouches 10 are about to be unloaded from the feed conveyor, the heated edge which has passed through the rollers 51, 51 'and thus receives the necessary pressure to seal it from the adhesive.

 <Desc / Clms Page number 20>

 



   At the end of the feed conveyor and mounted a guide roller 110 supported by
 EMI20.1
 donation supports 109 parallel to the roller 33, each pocket 10 in front of pt18S \ lr on coil 110 while it is unloaded from another los çourro.ibe 32, 98, 98 ", to cut out the upper strand of the unloading belt 111 slides in a horizontal plane (1- row lower than the plane of the upper run of the belt 32). The unloading belt 111 is perpendicular to the fine belt 32, one edge of the run. upper run parallel to and adjacent to roller 110, so that the pockets 10 are stranded perpendicular to their original stroke on belt 32.

   For this purpose, the belt 111 pansu on a crazy roller 112 wedged on
 EMI20.2
 an aybrg 113 which "\ 4I'U101 \" "tm * @IUI j3 & liµf 0 ta that 114 on the <* xtr6ultéa inside the spars 24 and 25. The belt 111 then extends outwards and passes over a roller in the 'entrainccudnt. 115 fix <! on a shaft 116 which journaled in bearings @ 117 on 1u8 uxtrdriüurue ends dou- longuronly 24t 25.



   In view of transmitting the energy to the arbra of ontrainument 116 and consequently untraining the belt of the discharge 111, the Demandurease provides for a shrub 118 which is represented in figure 11 and which have supported by don pads 119 taking ap - pui on reinforcement longurona such as 23.



  The interior extract of the Urbro 118 carries a

 <Desc / Clms Page number 21>

 rouo d'agio 120 which came a catch with a wheel
 EMI21.1
 angle compi4montairu 121 of reducer 3 ?. The outer extremity of the arbro 118 carried a pinion
 EMI21.2
 122 which drives through a chain 123 a pin 124 on the urbro 116.
 EMI21.3
 The opposite tr1m1t4 of the shaft 116 carries a pinion 125 which drives through a chain 126 a pinion 127 on the shaft 128 of a
 EMI21.4
 trnnsm1S81on casing 129 9support side of lon- juron 24 on a plato-foma '130.

   The shaft 126 traverses the casing of the tran8i8810n 129 and port on its inner end1 a pinion 131 which drives by a.cnain 132 a pinion 133 on the shaft 134.



    The shaft. 134 rotates in paliure 135 on the
 EMI21.5
 side members 24, 25 and parnileler-ent h shaft 116 but above ot slightly towards the interior of the latter.



   An auxiliary conveyor assembly 68, substantially identical to the auxiliary onaunblo 66
 EMI21.6
 which comes from 3tru described, alétund will go inside on the conveyor oourroio 11 so as to be torminur in a midpoint of the culle-here, the tree
 EMI21.7
 134 of the second transporter ruapliasant the function row 'than the plum tree 80. Briefly, the second conveyor 68 comprises a support bracket 135 and an idler roller supporting a Strier 136, a compression arm 137 extending between the brackets and carrying conveyor belts.
 EMI21.8
 ut oopaceous auxiliaries 138, 1) 8 'provided with a patina (not shown) carried by transverse bars 139.

   139 '. The second auxiliary enaemblù 68

 <Desc / Clms Page number 22>

 
 EMI22.1
 p1votua4 around the arbor 1J4 to allow 4'ao-- 'odior to the run) 111, however, it uooond en- NCMbIo 6 does notubitably be narrower than the first to conform to and you widen it from the oourroiu by de3chcruraunt m.



  Comma o.) Sees more eluirumunt in fiau- streets 1 to 6, a guide ledge 140 aat drilled next to the outer edge of the 1% courroiù 111 co ro- bord 140 forming partia intrAntu main rupliéo on the top of a flat t8lu 141 cur laquullu at 41plaee the upper strand of the belt 111, this sheet 141 being nupportée dinn deo stirrups spac4a on fonau do U invuraé 142; y14 ^ ¯, 142b, 142w ....



  142g which does not extend trandVfI, rsalemdnt from lonerona 24 and 25 and beyond the half) '..



  We rdrnnrquoru that lee 'tr1Jrs 142, 142a ut 142b
 EMI22.2
 comprising inclined piude which aupportont the bearings 104.



  Next to the inner edge of the tolu 141
 EMI22.3
 and also next to the opposite edge with respect to the re-
 EMI22.4
 edge of guidago 140 of the belt 111, the @ etriors
 EMI22.5
 .. 142S. 142f eupportunt a 6l, emunt of heating 144 aiming at the element 54 previously described and a longitudinal aliCnuunt with-ld truneportur of discharging, the said Ildodnt having a cast iron to rocovoir and heat the ructunt honed edge of the pocket 10.



  The heating element 144 at the end before attaindru the aorta traÔ8c1881on 129 casing which due to the grooved rollers in priatj Qutuullu 146, 1461 tontéa at the end of the soft tree vur-

 <Desc / Clms Page number 23>

 
 EMI23.1
 tloaux 44PQ040 128, 128 'receive between them the matting edge not 4celld' of the pocket 10 after / 991vi-this has 414 heated for the heating element 144 .:

   We oouurond; 4ue the curtù? 12C, sus shafts 128, 138 'wt read rolls Cf inwl4a one prisa 146, 146' fonotiotinunt so jxactjmunt similar to the casing 3, my arbrja 46 ut 49 ut with fluted roller lock a priât) 51, 51 '; i 0,11) 'unditnt, the roll pout here
 EMI23.2
 8tru provided with a hub for printing the date on
 EMI23.3
 pochuttgo, If one wishes to print the date on Pha * qao pochotte, the faoa extdriüuru of the roll 146 is reduced j, oomma 'one could see in the figures @,.



  Si 10 to form an aoyfu solidatru and exo3ntrd 148 carrying ftzdo to aa turfaoa axteriuma by bolts @ 150 a plaqua of rotnua 149. Uno adrto of oonapntriquea rings or annular plates '40 nar <tu * su 1 il, 101.60 191J ) are nontdi at 110 goàro.



  148 an Juxtaposition mutugilu ot avuo la roulueu 146. ho 4inaktro de * Pl & 41uoa 151, 151, 151ji, out 10-obrocont Lower b oalui du rouloau 146, oupusim dan l'pxcentfieK du neyii'4 146 compared to the roller, 146 i for offut d'amenor uno potito part of the porlpharlu due plaqugo 151, 151jt. 1511 we alionui'4 # nl ayao a patite part of the reulettu 144 periphery, Po mbmol the roll 146 'includes.' a Noyvu Ogoentri4U # 152 of a smaller diameter than oolui of the 1460 roulo however, the Myeu 192 preurato has weakened the mbmg diasxtatro that plate law * such 11, 1511 ot therefore includes a small party yRrybx11 + in alignment with a parity ,, K

 <Desc / Clms Page number 24>

 
 EMI24.1
 peripheral of rouluuu 146 '.

   Lua roulunux 146, 146 'are against on lda arbrie 128, 12b' so that Io # di t ... 1 part1u8 pdriljhdricffua dua plaquua 151, 151g, 151b v1onnnn priao uutuullo h ohaquu rotation due arbriu, 128, 12H ', do aortu quu the pruanion to propagate dua unue uux.



  Cbftqu-j plaqua 151, 151a ut 151b porto don ropbrum approprias ùn reliai '153 on aa p <5ri-; h6riu to be able to establish a datu in the oor- reotu and ohaouno way of oe plaquun puut 6tru turned on the moyuu 148 4prée duaaurrad due boulotta 150 to arrange, Binai 81 "ot1vùQnt eue ropferua un vuu d'un contot avue lu hub 152. When a po-
 EMI24.2
 
 EMI24.3
 chette 10 passes untru the rolls 146, 146 ', neck last offuctuuni to the monk a revolution, waited for wolf g1l'oont'rnog read' intr1uuru, the linear width of the puliuttu 10. So, in a portion, spotted them 1 (3 freeeent pouhntte 10 and printing the tu.



  A revolving reading "ut placed inside ut b oGt 'the oppoulu end of the heating element 144 and a longitudinal alignment #see here. This dldwgnt being denoted by ri'f. Ranou bed. of ene n) blo 154 ut non goal dtnnt to turn in a progrouaivu way the tab 19 of the pocket 10 to cover the flap 13,! <'41ant turning 154 uat' '' 'P1JOl''t wall a p1.tlol. tonll \ .l they extending from tala 141 ut it carried a vertical ele 156 carrying a poud4 of the hand. tien en Jou1 tion 157 directs vura l'1ntllr1 "ul 'ut vera lu buna, including 1' uxtr, 1 t 'libru wat paralltla

 <Desc / Clms Page number 25>

 
 EMI25.1
 and adjacent to; de la.court trunaporteuao 111. 4o role of the finger 157 oat to maintain one po- ..



  81 t10n "'Oa80 .. lo outer edge' of 1) ao (l 11 ut of flap 13 of pocket 10 during the paesa.a of Quito dornièro. Une - plaqua do plia'go 156 ust mont-. Tdu? t outside *, of the finger 157 ut do fuçon adjacentu .à Cûlul - c1 ut ollu prantH uno facs interior in elinde., upwards ut vura the interior having unu lvr'J a portu-a-faux 159, of the aortu only when the.; pouch. 10, whose patto 19 d: acc3u '1u-tJulh du
 EMI25.2
 finger 157, when moving the belt 111, the tab
 EMI25.3
 19 is first of all progroaaivuuunt aoulevo by the inclined part of the plate 158, co which makes it pivot around the finger 153. ot unauitu ollo, 88 '":

   
 EMI25.4
 
 EMI25.5
 pou8a4 down through the, 1bvrQ 159 do la plaqua 158 after the sleeve has been read finger 153, For aasurur alignment corruct do 1a
 EMI25.6
 pouch 10 laying oon transfer of the belt
 EMI25.7
 32 to the belt 111, this aat-a-dir to puaoer its springing edge, one occurenco the common folding line. -14, against the guide rim 140, op provided in the central part of the machine a central organ containing a series of pallets 160, 160 'carried by \ .iJ1 arbru co # nun 161 supported between Ida oxtr'ï) ait4o branchoo back of a U-shaped etrior 162. Lue uxtrét-it6a external due branchue 8 of the 4tr1r 162 are drilled in C8 from troua elign4a for lu pa3a. tree bO.

   The 161 oat shaft parallel a. the shaft 80 ot a chain of drive one of which 163 passes ontro dua gears uontéa on the shafts rù8pct1tB
 EMI25.8
 80 ot 161 to put a rotation on the tree 161 when

 <Desc / Clms Page number 26>

 
 EMI26.1
 rotated the arbor 80. We ruinurquum however that the stirrup 162 pivoti free on the shaft 80 onr a tul pivotunont nu chun, - ,. ppii la dintunou tintrio lus arbrua 80 it 161. C'oat as well as quu luo 1) alut- tue 160, 160 'are librua for au r: to be able to vure the high ut vüra lu b.-a pur r1,1, wrong to la eurfaou du la
 EMI26.2
 
 EMI26.3
 belt 111, leu puluttue 160, 1601 3 being provided with blades 160a L uxtrdiait-se f, 3, ùxiblie, arrottditt and disvoadus radialviaunt, cus lamua vinant progruaai- vamont hitting the ourfuce at the perlburu back pochettda 7 10 days the poutrureW contri 1 ax robord from Sildade 140.



  Ci) can see on In figura 11 that und piect
 EMI26.4
 'the
 EMI26.5
 de runforconent ou un fqmu de L invurae est nontdo on lldtrîor 42u, 1: 'extr.Snitd ouphrioure do cotte coin coming from a portu-h-fuux beyond the ass of the support a U 162.,' Un'reaeort 165 intended to balance the weight of the organ of the stinking cuntraue between the ass of the Strier, 162 and the cantilever partio of the partio do runforctttaent 164, so that) the ptilettoe 160, f60 ' glieutnt more freely on the surface of the bacon pouch
 EMI26.6
 10.
 EMI26.7
 



  1'4tichine li seal a '11., Ne right Duni the variant of embodiment of the invention rdpreaontéa to fiurea 15 and 16, the base comprises of periods or aontantu vurticals 220, un- tri the upper extréuitée dao-luulles s 'extend lonjerona 221 and 222 and terminal crosspieces 223 and 224. Lower lonturone 225 connect inturu4diairva parts of non-

 <Desc / Clms Page number 27>

 
 EMI27.1
 tants 220. Ddq étriera in U inverted 226, 226, ... 226f aont supported by the spars, are 8apacds, parallel and directed ti-anavoraaloment, with a rectangular horizontal metal plate 227 having these stirrups.



  At the end of the doo doo external struts 226 and 22ôf are provided with parallel rollers trmavor- water 22b dt bzz, of which the reaping central trees 230 and 231 are supported by bearings 232 and 233. These bearings 232, 233 are mounted. on the ends of the lon6ürons 221, 222. A motor 234 carried by the stringer 225 drives, via a reduction gear 235 provided with a pinion 236 an endless chain 237 passing over a pinion 238 wedged on a shaft 231.
 EMI27.2
 



  Uno courroio trnnoportausa principalo 240 pasau aur Ide rolls 221s and 229, with eoc. strand auperiuur passing c sliding on the plate 227 ot Ion strand 1n ± "I '\ U" pononnt AU-000soue due 1008 dat Striera 226 ... 226f. It can therefore be seen that when the motor 234 is switched on, the upper strand of the courroiu 240 moves continuously from left to right (FIGS. 15 ot 16).
 EMI27.3
 



  A chute 241 eiuilairu to the chute 70 mounted at the stirrup 226 and is fixed them bordering the plate 227 to bring thus due po-
 EMI27.4
 C'IOtt8 do baoon on the ontr6o end of trans- portuur 240.



   Due heaters 242 ot 243, simi-
 EMI27.5
 la1ra at 414monta 54 and 55, are planned on etriore 226a ot 226b, while due elements

 <Desc / Clms Page number 28>

 
 EMI28.1
 heater 4 almilairue to the elemont 144 Including mon-, over the stirrups 226d ut 226u. The heaters 242 ot 243 jont a mutual tranaver- sale opposition being adjacent outwardly to the opposas edges of the belt 240, of aorta that
 EMI28.2
 when this belt makes the bacon pochottos go to truvere la machina, read borda oppoo, 5a of the pochutt08 gl10ucnt dono shine the fontoe duu heating element 242, 243.

   L1616muni chauffnnt 244 is longitudinally aligned with lldlémunt 242 for a purpose which will appear by the following,
Beyond due heating elements 242 ot
 EMI28.3
 243 roupectivamunt uontra dos rouluaux known- les 245 and 24 nimilairue to rollers 51, zal 'and untltn & 8 by due rouas duntsuo a mutuullo prisa in lue onrtùra of transmission 247 ut 248. Coa casings 247 ot 248 are support4o from your lon- uron4 221 ot 222, roupectivamunt, by Consoles. '118 than 249. The mutual threads in the housing 247 and 248 are driven by a common trunavuraal shaft 250 carrying a pinion 251 which a chain 253 drives from the shaft 231 through a pinion 252 wedged at one end of shaft 231.



   The other end of the shaft 231 bears a pin
 EMI28.4
 gnon 254 which r.t1tnQ k the bido of a chain 255 a pinion 256 wedge on a shaft of the crankcase 257. Oo last cartur oat mounted on the spar 221 and is
 EMI28.5
 fitted with rouluaw / cannulde 258, 259 aligned with the heating element. The role of the cannelo rollers 258, 259 is the m3nu that that of the * rou-

 <Desc / Clms Page number 29>

 
 EMI29.1
 leaux 146, 146 'prdeddummunt described, ot they can oomportur lu pickup device tul which described in the previous uodu embodiment.



   On the feed part of the belt
 EMI29.2
 traneportuuso 240 uet mounted an unûmbla transi or- auxiliary tower of auuneo 260, similar to the onsou- auxiliary 66 back in figures 13 and 14, carried by a bush 261 and comprising transpor-
 EMI29.3
 tuuais-uepacdue? 62, 263. The shaft 261 is carried by 'back' - 'floating paliure 264 ot 265, mounted on the spars 221 at 222. Uno cheinu 266 8' & 1un- t linking between a pinion 267 on the tree * 261 ut a pi-
 EMI29.4
 gnon 2go of cartur 247 transfers the lenurgiu for the rotation of the shaft 261 and for the drive back belts 262 ot 263.
 EMI29.5
 



  According to the variant considered of the invasion, one foresees in the posterior part or of the discharge of the machina a plato plate 270 waiting on a partio of the belt 240,
 EMI29.6
 plated cutta being fixed by one side to a barro d'eapacomont 271 'extending alongside the edge of the tolu z and fixed to the stirrups 226 & 226f. The lower surface of the plate 270 extends close to 1mmd1nti and parallel to the upper surface of the strand on the part of the belt 240 and terminates close to the length of the belt in a vortical strip. 272.

   The anterior end of flange 272 curves outward at 273 to
 EMI29.7
 to define, a ourface do camo id1atumbnt behind the strap 263, we see from oonstituur a way

 <Desc / Clms Page number 30>

 
 EMI30.1
 spinning for the pochotteu, bacon, grdou to which Ion pochottoa has the belt 240 emerging from a dussoue of the auxiliary conveyor 260, turning
 EMI30.2
 of 900 dune the sono dextroreum and aont pouoséus one diruotion of the spar 221.
 EMI30.3
 



  3on the party j of loading the belt 240 is planned an auxiliary trndortuur uni- liaira of d4chnrgar..snt 280 comprising eapao4oa do transport belts 281 and'282 and an on- drag tree 283, oot ono: mblo suxiliairu 2HO i.e. being similar to the whole of the unloader 68 of figure 1. The shaft 283 out aupport <5 at the floating paliura 23; ut 285 montteu, tiur ion spars 221 and 222, avocado untraine.:ent starting from cartor 2'7 by pinions 286 and 287 and a chain 288 stinking having two pinions on this.



  Devunt the heated dl4rent 244 is an organ to rotate the leg of the pouch
 EMI30.4
 of bacon, bearing the reference number 290, said organ being ront6 on a plate 291 extending from plate 227. The rotating organ 220 is analogous to organ 154 previously described.



  Punctual
The operation of the apparatus according to the invention should be obvious in the light of the description which has just been leaked. Dan the
 EMI30.5
 mode of repair, according to ficureo 1 to 14, we start the motor 36 and we advance the bacon poohettua 10, each of which contains about 500 g of this food, in the trailer 70,

 <Desc / Clms Page number 31>

 the operator must first ensure that each flap 13 generally extends above the base.

   11 and that the pocket 10 falls into the chute 70 with the flap 13 on top and the common folding line 14 on the head,
With this feeding mode, each successive pocket slides lo lonc des tiga 75, passing under fingta 79 to end% the outer terminal part *) of the upper strand of belt 32, hence pocket 1C moves below the auxiliary belts 98, 98 '. with its borda a'dtdndunt towards the outside. The pocket 10 continuing its new inward direction, water on board :! opposites slide simultaneously into the slots of the heating elements 54 and 55.

   Since the lower run of the belts 98, 98 'moving in synchronism with the inward run of the upper run of the belt 32, each pocket
10 moves inward with its opposing edges gradually warming up during the run to a temperature sufficient to melt and plasticize the adhesive 15 on them.

   inner faces of the opposite edges of the flap 13 and the superimposed base 11. The weight of the whole of the auxiliary conveyor tand to flatten the poohutte 10 in order to eliminate the risks of a visible misalignment between the flap 13 and the base 11,
After the border 16 and 17 of the pouch have passed through the heating elements
54, 55, they move between the fluted rollers

 <Desc / Clms Page number 32>

 51, 511 o) the pressure is applied to them at the moment where the steel surfaces of the rollers cool the edges 16 and 17 and thus complete the watertight seal read along these edges.

   then, the pocket 10 comes out from below
 EMI32.1
 of the auxiliary machine 66 and shortly thereafter it is thrown onto the guide roller 110 to be transferred to the discharge belt 111. The pallets 160, 160 'come on the
 EMI32.2
 pocket 10 and push the pocket against the inner end of guide flange 140 while the pocket protrudes outward onto belt 111.



   Throws belt 111 continuing its movement, the pouch arrives at the doaaoua of the auxiliary conveyor assembly 68. The tab 19 is folded over the still open edge of the pouch during not passing) facing the rotating member 154 and
 EMI32.3
 190 trela d ainoouro de 14 peehetttt paouent by their fonts of the heating element 144. Then, the three-shoulder edge of the pocket 10 passes between the rollers 146, 146 'and receives the impression of the roperoo 153 mounted on the plates 151, 151 and 151b, loaquula landmarks have been prepared for a specific datum. 3nfinally, the pocket 10 is unloaded a. the opposite end of the conveyor 111 and is collected in a basket or other suitable container (not shown).



   As regards the variant embodiment according to Figures 15 and 16, lo works
 EMI32.4
 is the same as above,

 <Desc / Clms Page number 33>

 except that the pocket 10 remains permanently on the conveyor belt 240 moving from left to right and turning 90 without leaving the belt.
 EMI33.1
 roie 40 loruclue.eon vent corner touching the cam surface 273.



   We therefore see that in the gentle modes of
 EMI33.2
 realization, the pouches 10 are uuueesoivement conveyor following a predetermined path, are supported clans heavy particentrale by los trans-
 EMI33.3
 main carriers 32 ut 111 or 240 and itwd1ate-. munt before the names where the edges of the pockets enter the heating elements 54, 55, 144 or 242,243 and 244, the pockets pass under the auxiliary carriers 66,68 or 260,280 for
 EMI33.4
 3be laaintunuaa du fat, we feruo but elastic in position on the main conveyor, we keep
 EMI33.5
 before their borders parallel to the side of the displacement.



  JntrQ, las pr4niare <5 heating elements 53, 54 or 242,, 243 and the Óucond heating element 144 or 24-; lus rochùtto9 10 are r (: QiS8 a position or rtt- oriented with respect to the direction of their displacement, so that the last edge which has not yet been formed is parallel to the path due
 EMI33.6
 pochottue ut power therefore utro heated by the second (5lémujit 144 or 244.



  We will equal for the two points of realization that the heated eléoonta plum trees 53, 54 or 242, 243 are spaced approximately - the width of a pocket and that the straps 32 and 24C are narrower than the pocket and more narrowos than the distance between the elements

 <Desc / Clms Page number 34>

 
 EMI34.1
 heater 53-54 or 242-243, -to be able to pass
 EMI34.2
 The pocket was now entered with a bare border in Baillio at the Atr1ur dofl'duux borda du courroio 32 or 240.



  Of course, we could support divaroue useful modifications, ux Dodos du r4a11oation deflrite ut reprenante1, which only constitute a non-limiting duo exomplae, in light of the cadra-and
 EMI34.3
 do the spirit of the invasion. ,
 EMI34.4
 R7: 8U6I 'A - Hucliinu allowing icullur OUOO (l8- summarily three borda d'bnuo6es do pochutten non eiblumont rectangular, plidus ut presenting
 EMI34.5
 front and rear walls forming a whole and defined

** ATTENTION ** end of DESC field can contain start of CLMS **.


    

Claims (1)

EMI34.6 sant three edges susceptible to Otro aculléa by heat, we VU do form a caqueta or pochuttue rulativemunt plata, cutto machina being cn ", ct6r1- eda by lue pointa nuivantag nepnrémont or a bina1sono cou- r: 1) Silo comprising a frame de aup- port; a device dlumundq due ebauchou whose front and back speech have p1160Js facu against face ot whose euacûptiblue border of tru aculla by heat uont weakjmont one concordnncu; a main traxioporter cooperating with a portion of am'Jnéu ot una portion of the unload, the onoumblu (both mounted on the bat1 do the LIQchlno un vU-. do tranaportur auccoeoivuuunt 1. ebauchoa plidue long bed of a pre-stripped trajut d..na unu direction <Desc / Clms Page number 35> EMI35.1 . predetermined; a heating medium procior goes up. on the frame in the vicinity of the fine portion of the conveyor to heat the edges facing the EMI35.2 folded blanks; a first means of the only mounts on the frame and located above the first means EMI35.3 of ichauzfagu in read without the pro6rsssion of the portion of feeding of the conveyor and alinecont with the first means of heating; a mean tour- EMI35.4 nant beyond the pruraiar coyon of the scollument in co mdma sono de displacomont with the aim of changing the orientation of the blank by about 90 compared to its original progression yardstick; a second heating hub placed above the middle turned EMI35.5 in the said displacement of the displacement and next to the unloading portion of the conveyor to heat the edges with regard to the Ro-Orient blanks. EMI35.6 Téus ot a second means of the soullemont on the bdti next to the unloading portion of the conveyor, beyond the suçond moyan de chauffeau in the said direction of movement, to the schoolboy bordered them heated by the said second means of heating. 2) Means are provided for EMI35.7 push read blanks fold had contru read main tranaportour while the facing edges are heated by the heating means. 3) The means mentioned under 2) include auxiliary carriers which are EMI35.8 placed olaatiqudinent above the main conveyor and acting on the upper aurfacu of the blanks. 4) Auxiliary carriers <Desc / Clms Page number 36> are driven one synchronized with the main trunoportuur. EMI36.1 b 5) The rr, llch1nlJ being dlJst1n6u il plior dos dbauchus each containing a leg extending to the outside of one of said walls, said rotating means is intended to fold the legs of each of the blanks against the walls EMI36.2 next to 3 blanks while the last ones pass in the action zone of the rotating means. 6) The means of sealing EMI36.3 take due palrus of opposing cl'nne14a rollers. 7) The first means of sealing EMI36.4 comprises two pairs of OpOSd8 fluted rollers and the second Sealing means comprises a pair of such rollers. 8) The fine portion of the transporter is perpendicular to the unloading portion of the latter. EMI36.5 . % polo edge * scollemunt? oo4d6 straight on a series of blank sleeves EMI36.6 folded thus rectangular and having one-piece front and rear floors and edges susceptible to heat sealing EMI36.7 to form bundles at a flat weak point, this process being characterized by the following points, EMI36.8 adpnréuent or in combination; 1) We provide blanks of which EMI36.9 the front and rear walls are plidea facu to the face and the edges of which are not necessarily in agreement; we support leo blanks folded by <Desc / Clms Page number 37> their central portions while these drafts EMI37.1 progress on a predetermined path; heat is applied simultaneously to the opposite edges when EMI37.2 They could be pre-tested in places where the prussion is applied silAul t'lInl: ltmt 'l1 ces borda chnuft6e pour lud acellur; we ru-orionto lus outline choa do 90 'in relation to the nana initiai do their treijo-i for plaour the edges not yet acullée back ebouonba parallel to the new alder do move- mount; we heated the edges not uncoru sealed during -their passed in uno aocondo zono predetorminou; and we apply pressure to these edges EMI37.3 chauffon ut non oncoro ecollae to lus acoller. 2) We keep the blanks folded EMI37.4 phonoment maio dlantiquemont laying down the displacement so that the edges are always parallel EMI37.5 the yardstick of d4placumont due ebauchos.