DE1977353U - HEATING DEVICE FOR CONTAINER PACKAGING MACHINES. - Google Patents

Description

DR.-ING. DIPU-ING. M. SC. D I PL.-PHYS. D R.

HOGER-STELLCHT-GRIESSBACH-HAECKER

PATENT LAWYERS IN STUTTGART

A 35 033 fc

to - 132

11 ο May 1966

Ex-GeIl-O Corporation., Detroit, Michigan ,, USA

Heating device for container packaging machines

The invention generally relates to packaging machines and in particular to those with an improved Hei '' s © ii2riGlitung predetermined for heating Plächsn of -Pappbehältera with thermoplaatischer Besehichtniig ₀

Automatic packaging is mainly used for containers that are made out of bit pallet strips and are made from a cardboard box with a hit = and. pressure sensitive *; Thermoplastic cover, for example, made of polymeric polyethylene, however, practice has shown that it is difficult to achieve a good one with the previously used heating devices.

May 1966

sschlwß the Beckel parts of such containers h far below this © m purposes H used were obligations so that heated l@digl.ch on gesaut® surface of B @ ck @ .Make © _s moved away dies® feil® in an undifferentiated manner, while the la Most of the time the thermoplastic substance on the inside of these parts of the basin is melted. This has the consequence that the surfaces of the cast parts are torn apart when the container is opened and frayed , leads «, This results in a drop and drainage of the container contents feeira pouring out

Subject d © r invention is ia d © © © ntsprach @ nd a better Heinsainrichtung to Ye ^ jendung in autoiaiatischen ¥ er = - -and- packungsn5 ©© chin®n _s filled with d @ a @ n paperboard fflit © INEM theraioplastischen coating. _t be closed which a © @ g @ si lte heating bestimist'tr 'Yersohlußflächernan-den? erschlußteilen of the container enables that © ₉ no ia ZmaammsnlilQhBn d @ r do not bond with each other su

11. ' May 1966

The new heating device according to the invention has an improved heating housing, with the help of which a self-active heating of certain to one another. connecting planes

one

© a the basin parts of the with / thermoplastic coating

· Container is made possible «and which is equipped with an Ifeiskopf _s dsr is designed _{9 in} such a way that it is placed in the container hia @ inra, gt, and swar Ibis -diolit as di © to be trhitsenden St @ li @ n _s so that on these .,.

fersehlBßvorgaag taking place under Draekaaweadung on · =

A further feature of the invention is a © n®u <§ Ferlbesssrtep working with hot air © Heiheinrich = provided, di © © in © precise control of the heating of the Beckelteil® and the Ε, η Y @ rbind © nden Allows surfaces made of thermoplastic material and which allows the use of lower pressure than hot air

en- suitable ₉ ia which the © container continuously or step by step to d @ r H@iseinri.csh- '

A 35 033 II
11 _β May 1966

device must be moved past.

According to another feature © inea exerts invention has the heating means so that a Fläciienisusterp i @ & Hit & sanwendung on starry areas within DER mentioned ^ jsu verfeindenden surfaces together limited fet lead "=

The heating device according to the invention sum heating of containers with thermoplastic tflbersiagj by a conveying device in a container packaging if siasi heating the? 3B @ clcel parts Tb © 'fe? @gt are connected to each other is further characterized ₉ that © is provided in the heating housing ₅ , which lies over the conveyor j, - that at least one heating head fastened in the housing is an outlet for the hot air 5 is provided, that the outlets EIAD arranged in a predetermined pattern, characterized in that means for the supply of hot air SINEU vorgesehen- su ä®m housing dai further means are provided S _s iad the! carry the GcsMiiis® and di @ © © in downward movement relative zvi of the Terpaekungsmaschine

A 35 033 b
to - 132
110 May 19 «

dsl means sum A "fowärtssehwetil £ en des ©

SiHd ₅ to put the hot head in the container on the gate of the ©! Sri rect au panning mm DL® hot air aa bring su verfeindenden surfaces on && m Backelteil the container au "and around the Heizköpf domestic container during ■ - .. zn rest one · ^one certain time and then let the Seüaätist again.. swivel _{f in} order to pull out the heating head . ä®m Bg holds it out i, and. a movement of the container su the? locking station su erÖglichea ₀

Any other features _? FORTEIL properties and © of the invention following description will become apparent s.us .dar in d @ a Ausführungsteeispiel drawings shown © _e

Figure 1 geigt @ in @ perspective® representation © iiaer YerpackungsBiasöhin © for Pappfe@lialt.fr "which are provided with a th @ riaoplsistigch @ n Ub®äsug, which are with a selective effect © Ed © a Hai-s @ device is equipped according to the essential features of the present invention *

May 11 , 1966

FIG. 2 shows a side view of a Schnitt®® along the Mni © 2 - 2 ia of the arrangement according to FIG. I ₉ where Seil® ^ j © gg®aoma @ n are aM the viewing direction through the arrows in FIG. 1 fo @ s © iclm © t is ι it 2 before alleas a side aasiciit of the selective ■

figure 3 is a front viewing seigt the heater *) and Kwar along line 3 ~ 3 the arrangement of Figure 2 wherein _P @ di viewing direction 'is again indicated by the arrows and parts of the container are TerpackungsBiaschine see su ".

Figure 4 shows a rope of the H © is @ inriehtung and the ¥ ®r-

ie, according to Fig. 2, on a top line, line 4 - 4s, where again the direction of view is indicated by the arrows «

Lgur 5. © in © enlarged © view according to lines 5 - 5 ß @ r arrangement according to Figure 5 and shows the ■ '; -first ■ Heiskopf ₉ where ^, e 'direction of view through' the arrows in Siguie 3 aageg «

¥ -132
11o May 1

Figure β shows a longitudinal section through, oil heating device . Figure 5 »and zvs & r along the line 6-6.

seigt © inen section through di © heating device according to FIG 6 _S mad swsr © cattered along the line 7 - 7

Figure 8 gives a side view of the heater. Each figure? S and swar seen in the direction of arrows 8 - 8 in I ¹ IgUF I ₀

FIG. 9 shows a piece of rope according to the arrangement _{, FIG. 9} and ζνΐΒ, τ ίκ viewing direction d © a drawn there

Figure 1Ό ^ shows the same * part of the arrangement according to Figure as' Figure 9? jedoeli with another _? namely slot-shaped opening'-for the-'hot air _o *

A 35 033 "" b

I »- 132

ο May 1966

Figure 11 shows a © enlarged® top view of. below on the last hot head according to the arrangement shown in Figure 3s

Direction of the arrows indicated there »

FIG. 12 shows a longitudinal section of the heating device shown in FIG. 11 along the line 12 = 12

FIG. 15 shows a section of the heating device according to FIG. 12 along the line 13-13 _β

FIG. 14 shows the inner surface © ines with a thermoplastic material coated cardboard with folding lines _P '- which is used for the production of outer containers and with the help of the selectively acting heating device according to the existing Ir- = fi-o-o? © Γά @ η should =,

FIG. 15 shows a perspective view of one

In-.Figure 14 shown blank produced lters ₉ wherein sißb. cii ©

A 35 035 b
b - 132
■ 11 ο Iai 1966

of the container are in the position for heating the individual YersclSaßstrips using "a selectively acting _{or similar}

The ¹ Flgaren show as an execution example! eter invention tine £ sl © kti ¥ working® Eeiseiariehaiag in a B @ holds © rirerpaclcungsiszasciain © - !, the step by step work © jLt # t? afeer ®s. should be pointed out ₉ that the invention also works continuously. Y®rp ©, clEung © saa®ohin © ia is applicable «.

A perspective picture of a B @ holds © r ¥ © rpackungsasaigcMng ■ gives figure J ο Such a MsscMae is ii detail in the ³ patent specification Ir. Issued 3002 328 _s, at 3oiO? 196] v fl © ^ X ^r ereinigtsn -Staaten iron Aaies-ika described

When selecting wiricead® hot equipment according to the ψοτΊ legendary Irfiaduag is general geiatiE -with . ä @ m 'B®sug-szeichen 10 in-the figures 1 _? 2 and 3 'provided «, JiD prototype.-the-container _P

A 35 033 b

11 ο May 1966

cli® nit the Yerpackungsna & look ©. Figure 1 is folded ₈ filled and closed, is shown in JFigur 14 and with the reference® oak 11 bss

Older container 11 is not suitable, see ScMoM ühQTzogBn ^ A basis! for @iaea such a suitable tibersug for the container 11 is, for example, poljm®r © 3 polyethylene. ^: How. shown in FIG. 14 "fee = is the container 11 off!" quaäerförmigaa part of the body which in TOseatlieiieö r @ cht © ckf5rsiig © n'-Qu © rsohnitt-has and © Inen g © ägaetea BodsnverscKLuß has _{5J of} the-12 fee-

üfeli'ohen Beckel parts ;, generally designated 13 sind5, and the sun-emptying of-BeMltg-riaiialtes. © inen h@rausd.rückfear©n Schütter H fancy-n '

shown in I'igiar 14® container νίτα

ten- sue Papp® 'produced _ö This © the ia Tigiö * 13 shown®

A 35 033 'fa>
b - 152
11 ο May 19 «

subdivided into several surfaces by folds and lines ₉ which then form the side wall © and the closing parts of the container. The body of the container 11 is made up of side walls marked with 15 "the aid" of a closing strip - '16 are connected to each other- .. The ■ bottom part © <= »generally with, 12 beseiclinet" consists of various rectangular' and triangular HaClIeB ₅ , which are marked with the reference oak 1? Me 24 fe® = *

D @ i ° ober®, marked with 13. ', also orders rectangular and triangular fields ₅₁ from TerscMedenen. the Hummern- 25 Ms 44 -carry ".. Me -Kerblinlen on -the cutting -, * the v @ raohi @ d © nen fields" veneinander tr @ @ a iiö _s definieren'-dl © Pältlinienj that © rs @ iu.gt weföeiis, if "the detail of ö @ ffl Yorratsmate'rial- separated

he above® '¥ © rse'hluS 13 consists of a' pair of Beek @ ltail @ a _£ in g® © lock © n © n ■ -status- & ®m container ©! '® is

■ ■. ' - 12 - ■

run above and between which inner triangular 'fields 26 and 36 lie''-Sines the B @ ck @ lt @ il © -consists of the fields 50 and 31 and the other one on the fields 40 and 41 o A pair of triangular backfolders j, bait 23 and ZI or «, 35 and 37 denoted _s . lie on opposite sides of the two triangular fields 26 and 36 o The inner triangular field 36 and the two adjacent fields 35 'and 37 serve as a printable bulk 14. ¥ @ rschlussf © ld @ r 25- »26 and 27 be ~ ®its @ ß at the upper end marginal strips 28 and 29 ° Me inner closure f @ ld @ r 35? - '36- and 37 are also at their upper ends with inner hand stripes. 38 ^ 39 Ters @ h @ .iio The outer 'closure fields 5O ₉ 31 _p 40 and. 41 are on the top end with outer? © short cords 52 $ 53? 42 mad 43 υ © γ ~ s @ Ii®-Qo Än.di®. outer stripes 32 and 33 include an upwardly extending closure strip 34 BMo on the outer stripes 42 and 43 it closes a plane closure stripe ii.aa «

A 35 053 I?
i> - 132

11 * May 1

The container packing machine according to FIG. 1 _$ , which is shown and described in detail in the mentioned IiS ^ Pateatsetoift 5 002 328 ρ contains a storage station in which the container cut-outs are stored and a first pony station _P in which these cut-outs in the right "= © ckförmig © Griaaögestalt. be brought "the lower load these blanks are then migrate through a S @ r @ of operations in the first ¥ @ i" circuit station closed "Di © Benälter then ^ u the Fülleinrieii" tung and DL® filled containers warden then conveyed by a conveyor _{device to the sealing station 9} in which the JDeekelteil® is sealed and welded

Sel ^ äiv. active heating device according to the present g is in this Yeraehlußstation d © r in Fi-iar 1

lten .machine © so. .angebracht _s that © s nclglicli is "stiisiate inner and-outer. The connecting strip changes the closing part of the container with the aid of the hotter

A 35 033 fr

b »132

May 11, 1966

t to be heated to temperatures «, at which the draft on these surfaces melts _o The heating device according to the invention does not touch the © Yerscliluifeldes ^{0 of} the container during the heating period. I the areas ₉ that serve to close and through the s @ lekti ¥ working.HeIseinrichtung © rhitst ^ BTa® ^^ in the "lEE @ afläeh®n the closure strips 34 and 44 and the outer surfaces. 28 ₉ 29 uad 38 j 3.9 ο:

These® sealing strips are selectively and precisely heated to a® f @ iip @ rati2r.; Which is sufficient to make the © Polyäthyleneclii'cht ia tine® sticky state., While the @ 2? following Y <srschiuß © p © ration '& \ i hsltarao This kl @ ¥ - rig © Siistand occurs swJLsöh @ n'107 ° Ms 120 ⁰ © in

Heated 120 C and T-emperatnr maintained at this 'are ρ au in the tacky state' received ₉ Me di © B @ ck © lt®ile BMB in a suitable Ye'rschlußeinrichtung Icstltgn S © brought tall siadj, the d © egg Closing pressure on mud di @

Ä * V f * f \ for * ** & "

11 ο May 1

in U.S. Patent 3,002,328 referenced and feeehrieben is ο

33a the devices compressing the basin parts of the container - the closure device - are cold, "falls the temperature-b @ im- joint press a of the Yersciilussstrip between 107 ⁰ C _s where © in great f@recfe.white. der - - ^: De c & @ l parts of the container are divided by one =,

is shown in dsm Figuravi I Ms .4 _t . consists of the slide acting selectively © HeiseiaraeMuag geraäS "worll & genamv- - ■ -

from © ir.era -with 45 t> @ seicliiiet @ a H®issgehäus® <? This e 45 ί-st a länglicli @ r _s hollow © r ₈ "sich, horigöatal der föräerala.riclitwng der" TerpacküngsmasoSiin.®. © r-

r bargain ο BIEA @ s Heisgeliäiase 45 © nthält @ ia ©? ielsafe.1 sound openings 46 along the lower Seit® "associated with a Mehrsalil of heating heads in. connection ^ with d <sn ■ HuHäraern 47? 48, 49 and 50 are indicated, "The hot housing 4i" also has along the lower side - a front Magraflansch 51 and - a rear longitudinal flange 52 o Wice can be seen on the fixed from FIGS. 2 and 3 ₈ - also has the ers 'i; © Heating head A pair of longitudinally extending flanges.

p. 35 035 b
ι - 132
1st shark 1966

53 and 54 on ₉ which are arranged like this? that they can be fastened to the flanges 51 and 52 with the aid of bolts 55 «Mc® heating heads 48 _s 49 and 50 are provided with similar flanges, which are also fastened to the heating housing with corresponding bolts! ο Di © © in each other © Corresponding.parts are with the same reference numbers under. Addition of the letters a _s b and c ν eiern eh® ti _a Xte.r more precise structure and function of the heating heads 47? 48 ₉ 49 and 50 are described in more detail below?

A thermometer 56 is attached to the forward side of the heating housing 45 (TgI * Figure 3} ° The HeiKgehäus © 45 has -a mounting flange 58 _P in * the <=> as shown in Figure 2 - © in inlet 51 for the hot air "The loatage bottle 58 is attached to a corresponding flange 59 © ines -Eohr © s 60 with Hilf®, several bolts 61" - Bas-tube 60 serves ■ for the supply of hot air and is rotatably attached to the other lad® " .-in .this ander® invite dominates the Sade a * Euftihrungsrohres- 6g in and with. <? seal in * he * balls sealed 63 _β the rear End® -de © 'feed tube 62 is f®st at a Itsaeassite vertical Mon =

A 35 033b

b - 132
11. lsi? <

tageplaits 64 by usual and suitable © means $> sJ _o by .visibilities, attached ₀ the vertical mounting plate 64 is. detachably connected to the upper arm a © s Montag®- xclnkel® 65 ,, 2u dieaeis Montagewink ©! belongs for a iiorisontal rope 66 “which forms a unit with a lower * vertical leg 65? is releasably Z ₀ B ₀ using gt iron pin 68 to a vertical wall 69 Iq rpsekuügsmas chins be fe sti ".

As before -all FIGS. 2 and 4 recognize the 'vertical ©' mounting plate 64 has a passage and the upper leg 65 has a passage 71 for the guide tube 62 "The vertical leg is ait ge" © igiietea means .ferner '© in @ -Hita © quell-e 72 attached ₀ As Hitsequel-l® 72 lcana any facility, serve _? dia in the Las'® is »hot air sit a 'pressure ■ of © twa' ■ 1 bit. '■■ 11« 4 atü "■ .. through the openings 70 and 71 let the close - press 62 su.- The pressure of the hot air

f ä @ ffl way to ä & m "H © is ^ © häus © 45 from mad ia dan Heis " ■ '"■ ■' over
47 ₉ 48 ₅ , 49 iaad 50 is dsi / joraok only .'noch.ca, 2 * 2 'bie

A 35 033 b -j ι

b - 132 .. ■■ / ■. ■. (.

May 11, 1966

18th

4.4 g / om. The feed pipe 62 is enclosed by an airtight, flexible metal housing 73 ° The front end of this metal housing 73 is connected to the lower end of the feed pipe 60 with suitable means in. "ZoBo by welding". The rear end of the housing 73 is in a similar manner connected to the front © & side of the mounting plate 64.

An essential feature of the selectively acting device of the present invention entitled is _s that they for ¹ specific time into the container = and is then moved out again from it _o bites movement of the heater can _s can be achieved if the container is continuous on e ± BH3 A moving conveyor belt of a packaging machine or on such a conveyor belt stands _for that moves step by step «The exemplary embodiment shows a" conveyor device for a packaging machine? which moves step by step with the containers, and the sensitive acting @ heating device 'is the container., ..-. one- dipped _t while they just stop ^ and is then taken out "näohst the movement of the containers in di © ©

19th

A 35
fe - 132

IU May 1966

~ 19 -

Position to be released «When using a constantly moving transport device®! *, The © Ht.izeinrich = tungen as can be attached to the means for turning up and down as described in US Patentsohrif.t 3 002 328» Bas Heisg © häus © 45 ist _f formed that it won the top of a container moved away i4ird "when the 7 @ = rpackungs machine completely stopped tfirdj, nm so as to prevent burning of the Bell aging".

As shown in Figures 2 and 4 ₉ 60 is fixed with a BrehwelX © 75i © rbund @ n _s which in turn aa d © r horisontal underlying support plate 76, the tube = βθ The tube;! Tes Mt horizontal säieli erstreekeadsa flanges 78 ₉ 79 ¥ ®rsigJieas, di @ are attached to the support plate 76 with the help of BoIsen Il ο the Wslls 75 ®r £ tr- @ ckt si oh to bmS @ u beyond the end of the fr-ag plate 76 νιηά are outside in Xagera 80 mid ρ stored 81, the ice hide the check eretreclceadeiis rearwardly apart lie-up arms 82, and S3 are "M © s @ aRM have horizontal vorlaufend® outward flanges 84 and 85 up, which releasably with a machine frame 87 ISIT Helps Ύοη Bolsea 86 v ^ sundsn sio, dc As from Fisur 2

A 35 033 b

b - 132

IU May 1966

© obviously ₉ the frame 87 aia integral © ® rope of the wall 69 ° Me fragplatt® 76 lies on the " voa Heizg @ häia & © 45 @ ntf @ rnt @ n loading of the pipe 6O ₀ The Sragara® 82 and 83 are together by a © horizontal® plate ir®r · = - j, which rests on the frame 8? ,,

DI® figures 2 ₉ 3 w.ßd 4 illustrate an example of operation of the arm 89 is Al® ₉ which serves the tube 60 and the Heizg @ häus® 45 up and down about the will to 75 dr @ h @ n < , Bas obars is south of Armgs 89 , with ä®r frag. = Platt® 76 feet -colorundsn and © rat ^ eeürt sieli alwäs'ts iaad @ «ad © t in d © ia fork head 9O ₀ In disstm is lait help © iri @ r Weil © 92 a wheel 91 mounted *

From Pigür 2 and 3 it can be seen that the Holle 91 flies to a cam disc marked with 93 _g oil® el oh ame cteai carrier @ 2 ^a t @ il 94 extends _{o the} bidder flag part is attached to @iser drive shaft 95 ₉ with Help® eis @ s wedge 96 ° Bi © K-arTeascheiTb® 95 ordered isa wfsaat- · = licsla @ a axis two kraisfönaigen ÜJ ^ ilstücke-j nasal i atas a surface 97 _s which is about 135 ° from the

<2> j

A 35 033

Starting point 98 to an end point 99 er-streekt _o svelte surface 100. wit größersm diameter extends from end 99 ü @ m d®r first cam surface to the su

The cam rotates counterclockwise - wi <s la. Figure 2 indicated - nnä swar synchronously with the work = - ta, kt the YfirpacküiagsuiiaeeMneo Wean dl © loll © 91 fflit dar Ofe © rflache 97 der Kurv @ nschaib @ zuaaiosä © nart © it®t ₈ then the Heiggehäuss 45 u & tsn in so that © © Itier ä®T Eeisköpf protrudes into the container 11 _s d © ic just below ä @ m Heiskopf is "" wherein the toi ⁰ "= © mentioned are flat tiiiitgt si _o ¥ / ®aa a® the Arbeitspositionj τ Arbeitsfekt dsi "Yorpackungsiaasehine b @@ ndet is» then three sieve, di © Well © 95 again and the cam 93 works with ia surface 100 with the »Holle 91 BUBBMmBn ₉ and pushes the Hüisgehäiiee 45 aaeh oh & n into the in Figui» 2 dashed indicated © position Bab-ai is practicing container 11 of dam Hei ^ head released and kami in the next Poäifeion b @ = ·

A 35 033 b

h - 132

It. May 1966

- 22

Ie figure 2, the working position of the Heisköpfe is the Heisgehäuses shown in solid lines 45 and the standby position (broken lines) is 150 feeaeicliEeto In figure 2 is also a position of the AntriebsariB @ s 89 of the hot housing being soaked lines shown "tuck position is part of the Working position of the heating housing 45 "The number 151 denotes the position shown in divided lines by the drive arm 89" which it assumes when the heating housing 45 is in the ready position 150 ". It can be seen from this that between the bag ©! the pipe 60 must consist dn less Älbstand ₉ around the Rota = · tion of the tube 60 allow au around ball seal 63 '

The construction is made so that the heating housing can be swiveled into an extreme upper poation (resting position) (which is shown in dashed lines in FIG. 2 and denoted by 152) when the packaging machine. wirdρ stopped so © sufficient distance of d © n Behälteifa au inen reach and © in burning to

■■■■. . ■ ^r - [-

A 35-033 b.
b --- 132 '■ ■

May 11th 19ββ

Μ © Movement of the hot housing into this position is triggered by a suitable * switch (not shown) in the control circuit of the machine, Ss is ¥ © rstäadliohs that every suitable control inrlehtving for this «packaging machine can be used for lifting the® Heating housing 45 in the rest position Tbeiua stopping the packaging machine is used © in Hetoelarm 10I _{9 of} the. its rear end is articulated in a fork 102 with the help of a bolt 193 The (Jalbei 102 sits on the ofe @ r @ n end of a piston rod 104 of a pneumatic cylinder® 105ο The pneumatic cylinder 105 can be controlled by the switch mentioned. The lower end of the pneumatic cylinder 105 is rotatably supported by a pair of pivot pins 106 in hinges 107 and 108. These in turn form a uniform rope with the hat 109?

The one in 101 is ana front end with a bearing 111 feunösöj! rotatably at one of Sud © W @ ll @ ο As shown in Figure 4 is mounted 75 can be seen, the} © in®

May 196β

See the end © of the well © 75 with an enlarged head 114 * The well © 75 is held in its position with the help of a bolt 113, which is screwed into this wall on the other side and holds a counter disk 112 »

As can be seen from FIGS. 2 and 3 , the lifting arm 101 has a vertical downwardly directed extension 115s which forms an integral rope with an arm 116 ′ extending horizontally to the side. This arm 116 extends laterally against the Tragplatt® 76 for the tube 60 and is connected to - the end of a boom extending downwardly therefrom 117 "connected 76'bildet ₉ of a rope with the Tragplatt®" The boom 117 is connected to the Aria connected 116'durch a screw 147 © * Im'normalen operation keeps the air cylinder 105, the rod 104 is always in the ■ la figure 2 strongly sucked drawn position, hi the era 101 so to-turn. ₃ · that -the Hollenbach 91 always in contact ait ^: tia @ r of the surfaces 97 or 100 of the customer 93 1st. However, if the © packaging machine stopped ΐ / i.rdj. then-'the effect' of the compressed air in the cylinder 105 'rotates by ₅ , and 'di ©'fork'moves-.sich'in the

A 35 033 V

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11th May 19.66

Drawn dashed line © position 118j and the drive arm 89 takes the dashed © Huhepoaition 153 a ₉ Ia if @ lob. is the eoil @ 91 ran the cam plate 93 is lifted and the Heisgehäuse located la the upper extreme position 45 is located 152 via the containers to a hot Äiif rank of the container to inadmissibly high! avoid zn temperatures _o

The first © Heiskopf 4? is. isi detail shown in'd @ n Figures 5 to 9. This heating head 47 consists of an upper air chamber 11.9 which extends in the longitudinal direction and. vertical side wall © 120 and 121 and vertical Eaciwäade 122 and 123 has. Me Seitenwand® 120 and 1:21 have several, downward-outwardly directed air outlets 124 and 125ο As can be seen from Figure 5'-. sine! the openings 124 IIad 125 aa directly inside the ¥ © rs'chlußsstrei'fen 34 and M- the B@fe.al% © rs located 11 _'? sioÄ dar HeiEkopf 47 in ö @ r laaterea Arteeitspo ^ ition

Nan as best seen in Figures 5 and 6 ₉ 'of the Heiakopf 47 has aw @ i at a certain distance from each other. ■ Opposite® lower hot air chambers 1.26 and 127 «di ©

A 35 033 b

b - 132
"11" May 1966

26th

associated with the upper hot-air chamber 119 in communication "As is seen su best seen in Figure 5, the lower chambers 126 and 127 of 2mxeren _ff each other" opposite, enclosing an angle walls 128 and 129 gebildetf a yiel & ahl of openings I30 and 131 have «Me walls 128 and 129 are like this Rules "that the inner"? "to this selective heating of the corresponding surfaces Zn 29 _t 38 and are adjacent to 39 'when the Heiskopf 4? / lowered onto the top of the container 11 is closure tr ei fen 28 _o Di © lower chamber 126 is enclosed by the base 132 and the two vertical side walls 133 and 134 * The other lower chamber 127 is enclosed by the base 135 and the vertical side walls 136 and 137. Further hot heads 48 and 49 are identical to those . The first Heizkojpf 47 described above is formed

Pigur 10 shows a different design of the heating head. 148c Instead of round openings. For the hot air here a slit-shaped one. Opening 149 on each side of the angled walls 128 are provided. The "openings 1.24, 125 and 131" for the hot air can also be "similar".

ι- '■' · ■ '■' ■■■■■ ·

A 35 033
Ij - 152

• s 1

Weis® designed as slits stone “tlfear slot 149 can weld hot air to the su © öd ©

similar to the heating head 4? gestätestj, and corresponding Seil © are provided with the same reference numbers » but with the addition of the letter cL

The Figuren- 11 "12 and 13 -Make details äes letstea öäev Mat © reu Heiskopfes 50. ₉ formed so _'s that all tifeer ¥ ®rsolilußstreifen the upper TerschlußstücJs: ®" of the container hot air is guided "BbmH to @iae. Cooling of the outer parts of the container when it is transported to the south. Yer ^ chlußbacken 146 (cf. = Figure 3)

As can be seen above all from l'igur 11 ^ hat- ä @ 2 ' Heiskopf 50 has a © HeiSluftkaminer 1-58 _? the vertical, longitudinal side walls 139 wad 140unä dia vertical transverse direction @ il endwalls 141 and 142 formed "vJird ₄ Di®

he. 158 will be on ■■

closed by a floor 143 / ä®r

d @ n / l et arten Heisäkopf 4-9 runs «U®r Boden 143 points

several outlets 144 and 145 on _P the one fter MIdLaH ₉ whose Spits® iron faces the drawer of the Heiskopf © e 49 and is adjacent to the locking station d @ r 7 © 2? packungsiaasGhin © ₅ like figu:? ea 3 and

Bi @ selectively acting © © H iE®inr £ © r d rect invention includes three Heisköpfei but as is ohn® ter-es © _r inzusehen that only © inen Heiskopf od @ r siebrere Heisköpfe Aiit the last Heislsöpf 50

In the b @ sohrieb®nen exemplary embodiment, the heating heads @ 47 * 48 and 49 are moved downwards into the working position on the same side, then three containers in the upper οη after the conveying device of the packaging machine has brought the containers into a suitable® position ο 33nröli Use of more than one shark's head is @e

Let the loop feed systems work with a higher feed rate anyway and thus the production sii e

A 35 033 b

b - 1 * 2

May 11, 1966

29

Pigur 5 seigt schematise} ^ as the z%. / Reraeinreißenden Yerschlußsireifen 54 _s 44 "28 _f 29 _s 38 and 39 of YerSchlußteiles of the container 11 in dan heating heads 47, 48 and are, if this moved down SIED ₀ air in the Heisgehäuse 45 is kept at a temperature of about 455 ° C * so that it is still hot enough when it emerges from the openings of the heating heads and spreads the 'thermoplastic' coating on the surfaces to be welded. The heating heads do not touch the surfaces to be welded Surfaces of the yersc'aluss pieces of the container and are at a distance da ¥ on _s of about 3 ' v% &

Above-

The / pressure of the hot air in the hot heads is in the range from about 2: _f 2 to? 4 _e 4 gr / cm

If the hot air bridge is below this range, the hot heads can be brought closer than 3: bs ⁱ to the sealing strips to be welded ₉ without the container being damaged in any way. The hot heads stay & a. in the containers 11 for about an iBlbe second "and it has" sighed "that the sea temperature of the surfaces to be welded in this time

A 55 035 b

b - 132

May 11, 1966

rises to over 120 ^{0 O.} If a _container's 11 is moved from the position under the Heiskopf 49 in the position below "the heating head 50 then the su welded surfaces are in the required for the welding state by the Heisicopf $ 50 while they are placed between suitable Yerschlußstücke, ■ which are designated in Pigur 3 with 146 "It is evident that! Any" suitable Ysrschlusseinrich = lines can be used, as they are described for example in the ÜS patent 3 002 328 *

Claims (1)

P.A.E7B 097-28-11.67 A 35 033 b b - 135 Nov. 27, 1967 S c h u t.zana claims Container packaging machine with a heating device for Heating exclusively of the thermoplastic surfaces of the closure parts of containers, characterized in that, that the heating device (10) is arranged to be movable relative to the packaging machine and is connected to a heat source (72) is, and that the machine has a control device (93,89,75,101,105) with the help of which the heating device between a working position close to the thermoplastic surfaces to be heated and a standby position, in which it has a predetermined, larger distance from the containers, and possibly one Rest position is adjustable, the latter is further away from the containers than the standby position. 2. Machine according spoke 1, characterized in that the Control device has a drive arm (89) connected to the heating device (10), one with the latter for pivoting the heater between. Work and standby position has cooperating, driven cam disk (93) and a pressure medium cylinder (105) or the like, which with the drive arm for pivoting the heating device is coupled to the rest position in which the drive arm is no longer in operative connection with the cam disk " A 35.033 b V- 93 November 6, 1967 - 2 - 3ο Machine according to claim 1 or 2, characterized in that the heat source is a hot air source and the heating device has a hot air housing © (45) which protrudes into the container to be sealed in the working position of the heating device. 4. Machine according to claim 3 »characterized in that there» Hot air housing (45) has at least one heating head (47), the with in the working position of the heating device directed against the Yersehlus strips to be welded for the hot air is provided. 5. Machine according to claim 4 »marked in that the openings are arranged-in-dem'Heizkopf Gruppen'so in that the hot air jets are only g @ g®n Tbegtisate _s directed to Verschlieesende surfaces. Machine according to claim 5, characterized in that the openings are designed as slots (149), dis.so ang @ - siad ₉ arranges that a slot is adjacent to each of the surfaces to be welded (cf. 7. Machine according to one of the several of claims 4 to S _9, characterized in that mehrsr © Heisfeöpf® (47,48,49) are provided which are all of the same structure. ~ 3 - A 35 033 b b - 93 6 «, November 1967 - 3 - 8 »Machine according to one or more of the preceding claims 4 to --Τ ·» - characterized in that the heating device has a hot head (50) * which has several openings for keeping the lid parts of the container warm by means of hot air _p ■ while the container is from one Heating station can be moved to another workstation. 9, machine according to one or more & ®r claims 4 to I _9, characterized in that each of these EelzkSpf® has an upper Helssluftkaraaem (119) and two lower, opposite® hot air karaaem (126, 12?), Of which; $ e & e is provided with openings (125 »130, 131) directed towards the B®ckelt®ile to be welded for the hot compressed air, .. and that the upper hot air caoiaer / zvrischen © ine © pair of opposite outer connection strips (34» 44) is when the heating device is in the working position and that the lower hot air chambers (126, 127) lying opposite one another are adjacent to the outer surfaces of other outer discharge strips C (28 ₉ 29> 38 _f 39) (FIG. 5). 10, machine according to one of claims 1 to 9, characterized j that in well-known catfish a locking device for the cover parts of the container and a conveyor for transporting the containers through dfe © islands A 35 033 b Tj - 93 6 ο lovessber 1967 - 4 - Work stations are provided at the end of the terminal. ο Machine according to claim 10 * characterized in that the Hot air housing (45) is above the conveyor. 12 * A machine according to one or more of claims 2 Ms 11, characterized ,, sat HeissluftgehHuee (45) azs an end © of a HeissluftsufiÜirungsrohres is fixed (60) _{and following} which is pivotally mounted in the Verpackungesaschine and z with d @ r control device \ m.-pivoting-the hot device is coupled " 13-e machine according to claim 12, characterized in that ,, daft, .der Antriebana (89) with one end at one end of the Suführungsrohr supporting and pivoting support plate. (76) "attached is, and that the other end of the - drive arrows a® sait d®r Curves®cheitoe (93) .. .working scanning device (91) wearing, Machine according to Claim 13, characterized in that the support plate (76) has a further lever arm (101) on which the pressure cylinder. (104 '105) engages, on the one hand ä®r in'der Yerpackungsaiaschine pivotally-mounted-is "- A 35 033 b 6. Joveniber 1967 - 5 - Machine according to one of Claims 3 to 4 _9, characterized in that the surrounding air housing (45) is equipped with a thermometer (56) to display the temperature of the hot air _e