US3201914A - Bag filling and closing machine - Google Patents

Bag filling and closing machine Download PDF

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Publication number
US3201914A
US3201914A US191610A US19161062A US3201914A US 3201914 A US3201914 A US 3201914A US 191610 A US191610 A US 191610A US 19161062 A US19161062 A US 19161062A US 3201914 A US3201914 A US 3201914A
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United States
Prior art keywords
bag
support
tubing
cutter device
guide plate
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Expired - Lifetime
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US191610A
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English (en)
Inventor
Lohse Paul
Nussbaum Manfred
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FR Hesser Maschinenfabrik AG
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FR Hesser Maschinenfabrik AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/02—Machines characterised by the incorporation of means for making the containers or receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B31B2155/003—Flexible containers made from webs starting from tubular webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents

Definitions

  • An object of the invention is to establish apparatus of this kind which can be arranged directly in advance of the filling and closing devices of the machine so as to take the non-rigid packaging material, which can only be handled with difficulty, from the reel and form it into bags, thereafter transferring it to the filling and closing devices.
  • a further object is an arrangement whereby the bag material is conveyed suspended to the operating tools and the finished bags are likewise conducted in suspended condition to the filling and closing devices of the machine, so that the soft packaging material dealt with, particularly in the case of plastics foils, is transported through the various make-up and filling stages without dificulty despite any limpness and instability.
  • Yet another object is an apparatus of this character which is devised so that the bag formation is positive and the actions of the instrumentalities participating in this of nonrigid, flattened tubular, heat-scalable bag material in a descending path to heat sealing tools for applying a transverse weld seam at intevals to said bag material, a cutter device disposed below said tools for severing the length of bag material into individual bag blanks, means for engaging the leading end portion of the length of bag material and for drawing it vertically downwards past said cutter device prior to the cutting operation, and a transfer mechanism arranged for engagement, by suction, of the end portion of the bag when fully drawn down in vertical status and cut off to form a bag blank, and for transferring it to a filling station of the machine,
  • FIGURE 1 is a cross section through the apparatus
  • FIGURE 2 is a front view of this apparatus, the mechanismfor transferring the bags being omitted,
  • FIGURE 3 is a detail of the parts, as seen on the line IIl IlI'of FIGURE 2,
  • FIGURE 4 is a plan view of the transfer mechanism
  • FIGURE 5 is a front view of an assembly for forming gusset folds in a length of tubing
  • FIGURE 6 is a diagrammatic representation of part of the apparatus of FIGURE 1, seen on a larger scale.
  • the apparatus illustrated in the drawings is designed for the production of bags, designated B, from layflat tubing S of polythene or similar non-rigid, heat scalable 32%,914 Patented Aug. 24, 1965 packaging material.
  • This apparatus comprises a frame 1, mounted on a bracket of which is a supply reel R for the layfiat tubing.
  • This tubing runs from the reel via a series of guide rolls and other instrumentalities, which will be described in more detail below, upwards and then across the top of the frame, so as to descend eventually, in a gentrally vertical direction, past a guide 2 to be provided with a heat sealing seam and divided into separate bag blanks.
  • the first step in the bag formation is the formation of a transverse weld seam at the leading end of the tubing S by means of the heated sealing jaws 4, 5 and then a specific length of this leading end is pulled down and cut off by a severing device 6, 7 to form a fiat bag B.
  • This forward draw of the end of the tubing is accomplished by a pair of nippers S, h which is movable vertically along the path of travel of the end of the tubing, being mounted on a carriage it? Which can be reciprocated up and down on a fixed rail 11, through the agency of rollers 12, periodically and in timing with other operations of the apparatus (see below).
  • a cam piece 36 Secured to the lever 35 is a cam piece 36 and this is contacted by a roller 3'7 on a lever 38, pivot ally mounted on the slide ill, when the latter is in its uppermost position.
  • a finger 40 Rigidly connected to the lever 38, or the mounting pin 3? thereof, is a finger 40 which bears against the lower part of the nipper jaw 8.
  • cam 31 The timing of cam 31 is such that the cam piece 36 is brought thereby into its forwardmost position when the nipper carriage It) moves upwards, whereby the roller 37 of the lever 38 runs on to cam piece resulting in the nipper jaw 8 being rocked away from the jaw 9 to allow for gripping of the leading end of the tubing.
  • the cam piece 36 is swung back, so that the nipper jaw 8 closes again under the action of the spring 13 and the tubing is gripped by the nippers, ready to be drawn down.
  • the carriage 10 is articulately connected to a rocker arm 45 through a link 44.
  • This rocker arm 45 is mounted on a spindle 46, and is coupled by a tie bar 47 with a rocking lever 48 which is mounted by a pivot pin 49 in a bearing 51
  • a lever 51 which is articulated through a link 52 with a crank arm 54 fastened to a continuously rotating shaft 53.
  • the stroke of the carriage It is adjustable to allow for adjustment of the length of draw of the tubing S per carriage stroke to a chosen figure, i.e. for adjustment of the individual bag length.
  • an arcuate slot 55 is provided in the rocker arm 45 and a follower 56 is displaceably mounted in this slot.
  • Tln's follower 56, to which the link 47 is pivotally connected, can be set in any adjusted position, corresponding to the required length of bag, by means of a threaded rod 57 provided on the rocker arm 45.
  • the cutter device used for this purpose comprises'a fixed anvil plate 7, which is provided with a slot to allow for the passage therethrough of the nippers ,8, 9 and the tubing S, and a movable knife 6 which cooperates with this plate 7 and slides thereon during the cutting operation.
  • This knife 6 ' is secured to an arm *60-which is pivotally connected to a'lever- 61 rotatably mounted on the spindle 32 and adapted to be rocked periodically and in timing with the remaining machine movements, by an' edge cam 62 also secured on the main operating shaft 30.
  • the cutter device 6,7" is the next instrumentality to follow the heat sealing jaws4, 5 in the path of the tubing, and to'prevent this device being overheated by the heat sealing jaws, in the present example it is arranged some distance below these jaws.
  • the aim is to prevent an adhesion of the twoappliedwalls of the tubing at the part where the cut is 'made, as a result of eX- cessive heating up of the, knife, thereby making it difl"1-' cult or impossible to open this trailing end of the severed bag.
  • the deflector 25 is fastened to a lever 66 which, is mounted for pivoting abouta pivot 65 on the frame land is connectediby a link 67 to an operating lever 68 mounted on the spindle 32.
  • the periodic workingrmovements'of the lever 68 and the deflector 25 are produced by an edge a draw spring 81 engaging the lever 76.
  • a photoelectric scanning unit 27 of commercially known type and a correcting device whichi'is controlled'by this detector unit, are provided along the .path of the tubing.
  • This correcting device comprises a rockable pusher stirj mp2? and anrelectromagnet 29 operating the latter.
  • the detector unit 27 is arranged for vertical adjustment on the frame 1 to allow for adjustment to a specific mark on the tubing'S.
  • a rail 91 ' is fastened to a side wall9 of this frame, and a block 93, a which can be shifted by a scr'ewedrod 92, is arranged V ranged sfe FIGURE ,2
  • This block 93 "carries an arm 94m whichthe detector unit 27 is ar In the apparatus particularly illustrated in the drawings,
  • the tubing S is held, above the re-entrant portion 26of 'the guide plate 2, during the retraction of the end of the tubing by a movable clamping plunger SZ 'arra'ngedoppositethe guide plate 2 and linked to an'operatingl'eve'r 83 which is mounted on the spindle 32 and is operable by a further edge cam 84on the main operating shaft 30'.
  • the latter is provided with a rubber layer 116 and has two pairs of clamping pads pivotally mounted therein. These pads have arms 11 carrying rollers on cams secured to a fixed shaft 114 and areiurged out of contact with the surface of the drum by springs 113.
  • Thearrang'ement is 'that the' cams 115 are designed' to operate the pads against the action 'of springs "113 so that the tubing is engaged by the-pads at the time it is actually in contact with the surface of the drum; This is over "the major part of the drum by virtue of the positioning of the guide rollers 1G3 and 165.
  • the drum 1tl4- is 'rotatably mounted on a shaft 114'and'has a toothed Wheel 118 which is' driven from the main 117.
  • gusset folds are also formed in the tubing S during its travel. To this extent,
  • gusset forming device is provided betweenv theguide rollers-101 and 192 andrcornprises a core in the form of mission between thecrank 77 and the lever'76is madefor automatic release, and uncoupling in sucha' situation.
  • a roekable arm. 78 is pivotally attached to crank77andthisiis pivotally connected by a'tie 79 to the 'a so-called fish which slides within the tubing S,
  • Two circular discs 131 which are rotatably mounted on arms 13d pivotally mounted on a carrier 134 secured to the plate 123, engage in the gussets G thereby formed and locate the fish 125 in the plane of the tubing.
  • the two discs 131 are pulled into the gussets G of the tubing S by the action of a spring 132 which engages arms 13%.
  • a radiant heater 137 is arranged opposite the guide roller 103 and the tubing S running thereover is continuously warmed by the radiant heat so that there is a kind of ironing of the tubing, which is drawn taut at this point.
  • Each bag B having been severed from the tubing S and engaged by the vacuum plate 20 as described above, is turned through 180 by this plate and brought between two suction bars 22 and 170 which apply suction to the mouth of the bag and open it, to allow the nozzle 21 of a filling apparatus to be introduced into this month.
  • This nozzle has two clamping jaws 23, 24 which press the walls of the bag firmly against the nozzle during the filling.
  • the vacuum plate 20 which comprises a hollow casing provided with openings 141 at its face, is secured to a pipe 142, with a right angled bend, through which a vacuum is applied through a length of tubing 143 and a coupling sleeve 144.
  • the pipe 142 is mounted for pivoting about its vertical axis in a vertical bearing 145.
  • .bevel wheel 146 is secured to its lower closed end and is in mesh with a bevel pinion 147 secured on a shaft 148 which, at its other end, mounted in a bearing block 149, has a lever 150 fastened thereto, this being coupled bag B engaged thereby beneath the filling nozzle 21.
  • the lever 161 is pivotally connected by a link 163 to a lever 164 which is fulcrumed on the shaft 154. Also secured to the shaft 154 is a further lever 165 in engagement with an edge cam 166 on the shaft 53.
  • the other suction bar 170 is similarly arranged for movement in the horizontal plane and for this purpose is secured to an arm 171 which is pivotally connected to a lever 172 and a link 173.
  • Lever 172 is articulated through a rod 174 with a control lever 175 which in turn is in contact with a cam 176 also mounted on the shaft 30.
  • the shaft 53 is driven through a chain 180 from the prime mover (not shown). This drive is transmitted to the main operating shaft 30 by a further chain 181, and from this to drum 104 by chain 117. This arrangement synchronizes the operation of all the moving parts of the apparatus.
  • the starting material can be a Web of plastic sheeting and the apparatus can incorporate, or have associated therewith a means, of which there are various examples available, for forming the Web into a tube, and securing it with a welded or cemented longitudinal seam, before it undergoes the various operations described above.
  • bag-forming apparatus comprising a support, a guide plate on said support, said guide plate having an angled re-entrant por tion, a deflector arm pivoted on said support and having an angled portion opposite said re-entrant portion of the guide plate, means for periodically operating said de flector arm thereby to take up bag material into said reentrant portion, a pair of heat sealing jaws disposed vertically below said guide plate on arms pivoted on said support, means for opening and closing said heat sealing jaws to form a transverse weld seam in the bag material, a cutter device comprising a knife and anvil arranged on said support vertically below said heat sealing jaws, means for periodically operating said cutter device to sever individual bag blanks from the bag material, a nipper device to engage a leading end portion of the bag material, means for reciprocating said nipper device in a vertical path past the cutter device and a transfer mechanism for conveying a severed bag laterally from beneath said cutter device.
  • bag-forming apparatus as claimed in claim 1, in which the opening means for said pins include an electromagnetic link which is adapted to uncouple the drive to said jaws whereby the same are opened on cessation of bag travel.
  • said transfer mechanism comprises a vertically-disposed suction plate which is disposed With its upper edge at a level immediately below the cutter device and is mounted for arcuate reciprocation about a vertical axis horizontally spaced from the main plane thereof, thereby to convey a severed bag away from the cutting zone in a horizontal path, to a filling zone, and presentation means for engaging a bag in this filling zone, and opening the mouth thereof for reception of a filling nozzle.
  • Bag-forming apparatus as claimed in claim 3, in which said presentation means comprise hollow bars connected to a suction source and parallelogram linkage systems mounting the bars on said support.
  • Bag-forming apparatus as claimed in claim 4, further including clamping jaws associated with said bars for clamping the Walls of a bag mouth against a filling nozzle projecting thereinto.
  • a photoelectric scanning unit is disposed on said support adjacent said guide plate, a registration-correction device having electromagnetic means operatively controlled by said scanning unit, and a pivoted lever activated by said electromagnetic means to withdraw the severed end of the bag material a specified distance from said cutter device.
  • bagforming apparatus comprising a support, a bag material supply reel on said support, a bag material feed drum rotatably mounted on said support, clamping devices on said feed drum, cam means operating said clamping devices in response to rotation of said drum whereby a bag material is pressed flat against said drum, guide rollers conducting bag material to, around, and away from said feed drum, a guide plate on said support in the path of bag material forwarded by the latter for guiding the bag material in a flattened condition, a pair of heat sealing jaws disposed vertically below said guide plate on arms pivotedon said support, means for opening and closing said heat sealing jaws, to form a transverse weld scam in the bag material, a cutter device comprising a knife and anvil arranged on 'said support vertically below?
  • said heat sealing'javvs means for periodically operating said cutter device to sever individual bag blanks from the bag 'Onsaidsuivport belowsaid guide means, means for opening and closing said heat sealing unit to form a transverse material, a nipper device toengajgea leading'end, portion of the bag material, means for reciprocatingsaid nippe'r. device in a vertical path past the cutter device and a trans,
  • bagforming apparatus comprising a support, atbag material guide means on saidsupport for guiding bag material in a flattened condition, a heat sealing unit mounted' on said support below said guide means, means'for, opening and closing said heat sealing unit to form artransverse weld scam in the bag material, a' 'cutter device fixed 'on said support below the heat sealing-unit, means for periodically operating said cutter device to sever individual bag blanks from the bag material, avertical trackway-on said support below said cutter device, a carriage movable on said trackvvay, gripper arms, at least one of which :is pivotable, on said carriage, fixed cam means on said sup- Weldseam in the bagf material, acutter device fixed on 'said support below the heat sealing unit, means for periodically operating said cutter device.
  • a gusset-forming assembly car'riedby said support in advance of said guidemeans, said assembly comprising an inner core "of double wedge form and finger blades applied externallyto bag material threaded over said core, a transfer mechanism for conveying.
  • a machine for filling andclosing bags, ,bag-g forming apparatus comprising a support, a bag material guide means on said support, a heat sealing unit mounted FRANK E. BAILEY, Prinitzry Examin'er; TRAVIS s. McGEHEE,Exam'iner

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Making Paper Articles (AREA)
  • Package Closures (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
US191610A 1961-05-04 1962-05-01 Bag filling and closing machine Expired - Lifetime US3201914A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH42499A DE1278323B (de) 1961-05-04 1961-05-04 Vorrichtung zum Herstellen von Weichbeuteln und zu deren UEberfuehren an eine Beutelfuell- und Schliessmaschine

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US3201914A true US3201914A (en) 1965-08-24

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US (1) US3201914A (de)
CH (1) CH396742A (de)
DE (1) DE1278323B (de)
GB (1) GB944776A (de)
SE (1) SE317618B (de)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3908522A (en) * 1972-06-29 1975-09-30 Hoechst Ag Production of bags and sacks
US3948019A (en) * 1973-01-15 1976-04-06 Siegrheinische Registrierwaagenfabrik "Fix" Peter Steimel Kg Apparatus for the fully automatic production of filled, gusseted bags of plastic
US3973474A (en) * 1974-02-13 1976-08-10 Sig Schweizerische Industrie-Gesellschaft Apparatus for making bags
US4086742A (en) * 1976-03-01 1978-05-02 Windmoller & Holscher Method and apparatus for fully automatically filling sacks or bags made during filling from a web of tubular plastics film
US4094125A (en) * 1976-11-01 1978-06-13 Gess Larry C Packaging machine
US4165595A (en) * 1977-12-05 1979-08-28 Metal Box Limited Packaging machines
WO1994012392A1 (en) * 1992-12-02 1994-06-09 B.L. Macchine Automatiche S.P.A. Improvements to automatic bag filling machines
JP2002036392A (ja) * 2000-07-27 2002-02-05 Toyo Jidoki Co Ltd 製袋方法及び装置
DE102004034489A1 (de) * 2004-07-16 2006-04-20 Windmöller & Hölscher Kg Verfahren und Vorrichtung zur Herstellung und Befüllung von Säcken
WO2018039388A1 (en) * 2016-08-23 2018-03-01 Automated Solutions, Llc Cross seal devices for package forming systems and related methods
CN111231422A (zh) * 2020-03-17 2020-06-05 深圳市真龙科技有限公司 一种防水袋生产用多形状窗口自动成型机
CN114161771A (zh) * 2021-11-25 2022-03-11 西安理工大学 一种包装袋自动制作设备

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Publication number Priority date Publication date Assignee Title
EP0294582B1 (de) * 1987-05-11 1992-08-12 WindmÀ¶ller & Hölscher Vorrichtung zum Herstellen von Beuteln oder Säcken aus einer vorzugsweise mit Seitenfalten versehenen Schlauchfolienbahn aus thermoplastischem Kunststoff
DE3936515A1 (de) * 1989-11-02 1991-05-08 Windmoeller & Hoelscher Vorrichtung zum querschneiden und querschweissen von bahnen
IT1242619B (it) * 1990-12-21 1994-05-16 Comes Srl Macchina automatica per la realizzazione, il riempimento e la chiusuradi sacchi di plastica con fianchi a soffietto, in particolare per il confezionamento di materiali inerti.

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US1995259A (en) * 1932-07-23 1935-03-19 Dobeckmun Co Suction bag opening device
US2294215A (en) * 1939-10-02 1942-08-25 Stokes & Smith Co Apparatus for making containers
US2322430A (en) * 1939-11-16 1943-06-22 Overland Candy Corp Method and machine for packaging edible products
US2326931A (en) * 1940-04-24 1943-08-17 Reynolds Metals Co Apparatus for forming bags
US2577386A (en) * 1946-08-14 1951-12-04 Pneumatic Scale Corp Bag forming machine
US2961930A (en) * 1957-10-21 1960-11-29 Package Containers Inc Gusset former
US2997831A (en) * 1959-08-17 1961-08-29 Habra Werk Ott Kg Bag making apparatus

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US2643496A (en) * 1947-03-15 1953-06-30 William S Cloud Enclosing articles in tubular wrappers
DE841421C (de) * 1949-06-21 1952-06-16 Arenco Ab Vorrichtung zum Anbringen von Beuteln auf das Fuellrohr einer Beutelfuellmaschine
CH303487A (de) * 1951-11-14 1954-11-30 Hoeller Maschinenfabrik Geb Vollautomatisch arbeitende Maschine zum Füllen von Beuteln aller Art.
CH309741A (de) * 1951-12-24 1955-09-15 Karlsruhe Augsburg Iweka Vorrichtung zum luftdichten Verpacken von pulverigem, körnigem, kleinstückigem und pastenartigem Gut.
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DE1035557B (de) * 1953-01-05 1958-07-31 Hesser Ag Maschf Entnahme- und OEffnungsvorrichtung an selbsttaetigen Fuellmaschinen fuer Falt- und Kreuzbodenbeutel
FR1141957A (fr) * 1955-11-26 1957-09-12 Procédé de conditionnement de produits liquides, pâteux ou pulvérulents et appareillage permettant la mise en oeuvre de ce procédé
DE1093284B (de) * 1956-10-15 1960-11-17 Kjell Honne Maschine zur fortlaufenden Herstellung von Packungen aus einem Schlauch aus thermoplastischem Stoff od. dgl.
FR1200786A (fr) * 1957-01-09 1959-12-24 Procédé et dispositif pneumatique pour l'ouverture automatique de sacs et sachets, notamment de sacs et sachets à soufflets et à fond plat
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Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1995259A (en) * 1932-07-23 1935-03-19 Dobeckmun Co Suction bag opening device
US2294215A (en) * 1939-10-02 1942-08-25 Stokes & Smith Co Apparatus for making containers
US2322430A (en) * 1939-11-16 1943-06-22 Overland Candy Corp Method and machine for packaging edible products
US2326931A (en) * 1940-04-24 1943-08-17 Reynolds Metals Co Apparatus for forming bags
US2577386A (en) * 1946-08-14 1951-12-04 Pneumatic Scale Corp Bag forming machine
US2961930A (en) * 1957-10-21 1960-11-29 Package Containers Inc Gusset former
US2997831A (en) * 1959-08-17 1961-08-29 Habra Werk Ott Kg Bag making apparatus

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3908522A (en) * 1972-06-29 1975-09-30 Hoechst Ag Production of bags and sacks
US3948019A (en) * 1973-01-15 1976-04-06 Siegrheinische Registrierwaagenfabrik "Fix" Peter Steimel Kg Apparatus for the fully automatic production of filled, gusseted bags of plastic
US3973474A (en) * 1974-02-13 1976-08-10 Sig Schweizerische Industrie-Gesellschaft Apparatus for making bags
US4086742A (en) * 1976-03-01 1978-05-02 Windmoller & Holscher Method and apparatus for fully automatically filling sacks or bags made during filling from a web of tubular plastics film
US4094125A (en) * 1976-11-01 1978-06-13 Gess Larry C Packaging machine
US4165595A (en) * 1977-12-05 1979-08-28 Metal Box Limited Packaging machines
WO1994012392A1 (en) * 1992-12-02 1994-06-09 B.L. Macchine Automatiche S.P.A. Improvements to automatic bag filling machines
JP2002036392A (ja) * 2000-07-27 2002-02-05 Toyo Jidoki Co Ltd 製袋方法及び装置
DE102004034489A1 (de) * 2004-07-16 2006-04-20 Windmöller & Hölscher Kg Verfahren und Vorrichtung zur Herstellung und Befüllung von Säcken
US20070289262A1 (en) * 2004-07-16 2007-12-20 Uwe Koehn Method and Device for Producing and Filling Sacks
US7770362B2 (en) 2004-07-16 2010-08-10 Windmoeller & Hoelscher Kg Method and device for producing and filling sacks
WO2018039388A1 (en) * 2016-08-23 2018-03-01 Automated Solutions, Llc Cross seal devices for package forming systems and related methods
US10654599B2 (en) 2016-08-23 2020-05-19 Automated Solutions, Llc Adjustable tables for use in package forming systems and related methods
US10723493B2 (en) 2016-08-23 2020-07-28 Automated Solutions, Llc Cross seal devices for package forming systems and related methods
US10850877B2 (en) 2016-08-23 2020-12-01 Automated Solutions, Llc Package forming systems and related methods
US11492156B2 (en) 2016-08-23 2022-11-08 Automated Solutions, Llc Adjustable tables for use in package forming systems and related methods
CN111231422A (zh) * 2020-03-17 2020-06-05 深圳市真龙科技有限公司 一种防水袋生产用多形状窗口自动成型机
CN114161771A (zh) * 2021-11-25 2022-03-11 西安理工大学 一种包装袋自动制作设备
CN114161771B (zh) * 2021-11-25 2023-07-14 西安理工大学 一种包装袋自动制作设备

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SE317618B (de) 1969-11-17
DE1278323B (de) 1968-09-19
CH396742A (de) 1965-07-31
GB944776A (en) 1963-12-18

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