US3815318A - Packaging method and apparatus - Google Patents

Packaging method and apparatus Download PDF

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Publication number
US3815318A
US3815318A US13945371A US3815318A US 3815318 A US3815318 A US 3815318A US 13945371 A US13945371 A US 13945371A US 3815318 A US3815318 A US 3815318A
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US
United States
Prior art keywords
web
container
bar
sealing
closure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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English (en)
Inventor
B Lerner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Automated Packaging Systems Inc
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Automated Packaging Systems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Automated Packaging Systems Inc filed Critical Automated Packaging Systems Inc
Priority to US05139453 priority Critical patent/US3815318A/en
Priority to SE7205615A priority patent/SE406575B/sv
Priority to DE2221310A priority patent/DE2221310C2/de
Priority to CA140,978A priority patent/CA997315A/en
Priority to IT4999072A priority patent/IT957688B/it
Priority to FR7215490A priority patent/FR2135571B1/fr
Priority to BE117005A priority patent/BE782910A/xx
Priority to GB2040272A priority patent/GB1364356A/en
Priority to NL7205969A priority patent/NL172136C/xx
Priority to US05/336,560 priority patent/US3965653A/en
Priority to US05/401,600 priority patent/US3948015A/en
Priority to US422281A priority patent/US3882656A/en
Application granted granted Critical
Publication of US3815318A publication Critical patent/US3815318A/en
Priority to SE7508964A priority patent/SE406576B/xx
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
    • B65B51/30—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes
    • B65B51/303—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes reciprocating along only one axis
    • 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
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
    • B65B31/044—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzles being combined with a filling device
    • 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
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/12—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers movable towards or away from container or wrapper during filling or depositing
    • 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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B65B43/123—Feeding flat bags connected to form a series or chain
    • 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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/34—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by internal pressure
    • B65B43/36—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by internal pressure applied pneumatically
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
    • B65B51/146—Closing bags
    • 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
    • B65B57/00—Automatic control, checking, warning, or safety devices
    • B65B57/10—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
    • B65B61/12—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by tearing along perforations or lines of weakness
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T225/00—Severing by tearing or breaking
    • Y10T225/30—Breaking or tearing apparatus
    • Y10T225/393—Web restrainer

Definitions

  • Automatic bag packaging is accomplished by providing a pivotally mounted sealing and detaching assembly which tears the loaded bag from the web during the sealing operation. Heat sealing is accomplished concurrently with separation of the loaded bag fromthe web, A toothed gripper bar engages the web above the seal to prevent separation of the web in the region of the seal and to assure separation along a preformed line of weakness spaced from the seal. As the sealing bar, is released from its clamping position, the web is advanced to move a successive bag into the bag loading position.
  • Semi-automatic bag packaging is accomplished by manually tearing the loaded bag from the web and manually inserting the bag in the sealing station. In semi-automatic operation the'web is fed to advance a successive bag to the ;.bag loading position concurrently with the sealing of a bag in the sealing position.
  • a simple mechanism for using a web of bags in packaging is described in the Article Patent.
  • a coiled web is positioned on a mandrel in a carton.
  • a blower is coupled to the carton to provide a positive pressure within the carton.
  • the bags are fed, closed-end first, through a slot in the carton.
  • a product is inserted in the inflated bag. The operator then moves the web until the next bag emerges from the box and inflates, and also separates the loaded bag for a sealing operation.
  • a machine which dispenses the bags, seals them and then severs them in sequential, automatic operations.
  • the machine is adapted to be connected to automatic counting and conveying equipment so that the products being packaged are all automatically measured and deposited in the bags as the bags are fed to a load station.
  • the Machine Patent also provides a means for providing an interrupted heat seal line whereby heavily loaded bags are not so weakened during the heat sealing operation that they tear along the sealing line.
  • the operator deposits the product to be packaged in the open bag at the load station.
  • the operator grasps the loaded bag, pulling it downwardly until the next bag is at the load station.
  • the loaded bag is then manually severed and the open end is inserted between the jaws of a heat sealer provided near the base of the housing.
  • the jaws are then actuated to close and effect a sealing of the bag. After a predetermined time interval, when a seal has been effected, the jaws will open, allowing the bag to drop in a box or other receptacle beneath the machine.
  • the loading, feeding,.severing, and sealing steps are allsequential.
  • the system is relatively fatiguing in that the operator starts above the machine picking up the parts to be placed in the bag, loads the bag, lowers it through the feeding, severing and sealing steps until his arms are at the base of the machine and then repeats. Thus, a relatively considerable amount of manual movement is required with each cycle.
  • the sealer With the machine of this invention, one may, by simply changing the orientation of the sealer, provide either automatic or semi-automatic operation.
  • the sealer In the semi-automatic mode, the sealer is positioned behind a vertical path of web travel with jaws positioned to move relatively along a path paralleling the web path of travel. After a bag has been loaded, the operator severs the bag and inserts the open end between the jaws of the heat sealer. The faces of the bag may be manually brought into registration.
  • a foot pedal is then actuated to cause the jaws to close.
  • a signal is sent to a web feed mechanism, such as that described in the Machine Patent, which feeds the web until a sensing mechanism detects a registered line of weakness in the web.
  • a web feed mechanism such as that described in the Machine Patent
  • the sealing jaws are positioned to reciprocate horizontally. After the jaws have closed they are pivoted about a pivot point at one end of the jaws which provides a horizontalpivot axis to sever the loaded bag concurrently with the sealing.
  • the jaws also pull the bag somewhat rearwardly of the path of web travel so that, once the severing has been completed, the feed cycle of a subsequent bag can commence prior to the time when the sealing cycle is fully completed. So long as the successive web fed has not been too extensive by the time the sealing jaws open, the bag being fed will drop between the jaws when they open.
  • This mechanism includes a toothed knife bar or gripper bar which is above and heat insulated from a heater bar which effects seals.
  • a resilient pad which is on one of the jaws of the sealer, coacts with both the sealer bar and the gripper bar.
  • one'end of the sealer is moved downwardly about a pivot axis near the other end. This downward movement is sharp and rapid to effect a separation of the bag being sealed from the succeeding bag in the web along a preformed line of weakness, such as a row of perforations, delineating the ends of the two bags.
  • the tearing-off action of the automatic machine may be set to function only at the completion of a pre-set number of sealing cycles. By such an arrangement, chains of any number of interconnected loaded containers may be produced automatically.
  • the portions of a bag being sealed are disposed essentially horizontally so that the bag hangs over parts of the lower jaw of the machine and other parts of the machine. With the bag so hanging over parts of the machine, the friction of the bag and the machine takes some of the load on the package so that the full load or weight of the product being packaged is not imposed on the line along which a seal is being formed.
  • the bag is hanging vertically from the seal and one would anticipate that the weight of the product, especially if a heavier product is being packaged, might cause a bag separation along the heat seal line. This tendency is mitigated by the sharp, rapid downward movement of the'heat sealer as the bag is separated. Thus, by moving the bag down quickly, the effect is to reduce the force imposed by the weight of the product being packaged on the bag along the seal line.
  • the interrupted heat seal method taught by the .Machine Patent" may also be used to assure that the bags do not sever along the seal line.
  • a stripper mechanism strips the sealed bag from the knife bar.
  • the stripper mechanism also serves to strip the sealed bag from the heater bar if the bag is tending to stick to the heater bar.
  • the heater bar and knife bar are positioned laterally rearwardly of the path of bag travel and of the load station. That is they are positioned closer to the frame of the machine than is the bag loading station. During the bag loading portion of a cycle, the coacting pad is in front of the path of travel. Thus, the heater bar is spaced from a bag being loaded so that any residual heat will not prematurely warm the bag. Moreover, the positioning of the heater permits the feed of a succeeding bag to commence immediately after-the separating operation and concurrently with the completion of the heat sealing operation and the opening of the jaws of the heat sealer.
  • the heater bar and knife or gripper bar are disposed inwardly of a slotted guard bracket.
  • the slotted guard bracket serves both as a safety device and to facilitate stripping of sealed containers from the heater bar and knife bar. With the heater bar and the knife bar disposed inwardly of the guard bracket, the possibility of an operator accidentally contacting either of these bars is minimized. Moreover, since the web is caused to form a generally U-shaped configuration upon insertion through the slotted guard bracket during sealing, the weight of a loaded bag will serve to pull the sealed bag away from the heater bar and knife or gripper bar at the completion of the sealing operation when the sealing bar pressure is released.
  • the sealing bar is air actuated. Should the operator accidentally insert his hand between the sealing bar and the guard bracket during sealing, the air actuation is sufficiently weak and the resilient pad carried by the sealing bar sufficiently soft to prevent injury. Moreover since the heater is recessed the operator will not be burned under such circumstances.
  • a heat sealer which may be oriented for vertical movement for semiautomatic or for horizontal-movement followed by a pivotal tearing-off movement for automatic operation, provides a machine which is highly flexible and which can be tailored for optimum conditions according to a given users needs. Moreover, the machine can be readily changed from semi-automatic to automatic, or vice versa, if the optimum conditions for a given packager change.
  • FIG. 1 is a top plan view of an automatic packaging machine constructed in accordance with the present invention
  • FIG. 2 is a sectional elevational view as seen from the plane indicated by the line 2-2 in FIG. 1;
  • FIG. 3 is an enlarged sectional elevational view of a portion of the machine shown in FIG. 2;
  • FIG. 4 is a sectional elevational view as seen from the plane indicated by the line 44 in FIG. 2.
  • FIG. 5 is a-schematic illustration of the automatic packaging machine with the lower feed roll moved away from the upper feed roll to facilitate threading of the web of interconnected bags between the feed rolls;
  • FIG. 6 is a schematic illustration of a bag being loaded in the loading position
  • FIG. 7 is a schematic illustration of the container being moved to the sealing station at the beginning of the sealing operation
  • FIG. 8 is a schematic illustration showing the pivotal movement of the sealing and detaching assembly during the sealing operation.
  • FIG. 9 is a sectional elevational view showing the packaging machine of the present invention arranged for semiautomatic operation.
  • a packaging machine is a shown generally at 10.
  • the packaging machine 10 includes a supporting and protective outer cabinet 11.
  • a web 12 of interconnected plastic bags is fed vertically upwardly from a storage region (not shown) formed in the lower portionof the cabinet II.
  • the web 12 is reeved'over a first idler roller 13. From the idler roller 13, the web 12 extends substantially horizontally and is reeved around a second idler roller 14. From the idler roller 14, theweb is directed upwardly by a guide bar 15 toward a pair of feed rolls 16,
  • the upper and lower feed rolls I6, 17, as best seen in FIGS. 1 and 4, have a series of axially spaced enlarged cylindrical portions I8, I9 respectively.
  • Each of the enlarged portions 18 is in engagement with an enlarged portion 19.
  • Portions 20, 21 of reduced diameter are between the cylindrical portions I8, 19 respectively.
  • a drive motor 26 is mounted by means of a bracket 27 within the cabinet 11. Output shaft 28 of the motor 26 is provided with a drive pulley 29. A drive belt 30 is reeved around the drive pulley 29 and around a driven pulley 31. The driven pulley 31 is secured to the upper feed roll 16. By this arrangement, the motor 26 is operative to effect the feeding of the web I2 between the feed rolls 16, 17.
  • the upper feed roll 16 is journaled by a pair of bearings 22,23.
  • the bearings 22, 23 are carried by brackets 24, 25 which are secured to the cabinet 11.
  • the lower feed roll 17 is journaled by a pair of bearings 36, 37.
  • the bearings 36, 37 are supported by a pair of brackets 38, 39.
  • the brackets 38, 39 as best seen in FIG. 1, comprise the. outer endsof a pair of arms 40,
  • the arms 40, 41 extend rearwardly from the region of the feed rolls 16, 17 and are pivotally mounted from the cabinet 11 by pivotal connections 42, 43.
  • the forward ends of the arms 40, 41 are supported by means of threaded'lock bolts 44, 45.
  • the lock bolts 44, 45 extend through apertures formed in the brackets 38, 39 and into the threaded apertures formed in the brackets 24, 25.
  • the lock bolts 44, 45 are provided with knurled heads 46, 47 to facilitate their manual rotation.
  • the lower feed roll 17 Since the lower feed roll 17 is pivotally supported by means of the arms 40, 41, it may be pivoted downwardly as is schematically shown in FIG. 5 to facilitate the initial'feeding of the web 12 between the feed rolls I6, 17. With the lower feed roll I7 pivoted downwardly, the web I2 may be fed straight through the machine 10 from the first idler roller I3 to the lower feed roll I7. The arms 40, 41 may then be pivoted upwardly to raise the lower feed roll I7 into its operative position with the web I2 disposed between the feed rolls I6, I7.
  • a blower indicated generally by the numeral 54 is provided within the cabinet II.
  • a vertically extending duct 55 connects with the blower output duct 56.
  • the vertically extending duct-55 is disposed adjacent one side of the cabinet 11 and serves to duct air from the blower 54, which is disposed beneath the web 12, to the region above the web 12.
  • a horizontally extending duct 57 connects with the vertically extending duct 55 and discharges air from the blower 54 into the region above the web 12. Air is thereby caused to flow over the upper feed roll I6 and downwardly along the surface of the web I2, as indicated generally by the arrows 58. This air flow serves. to open a bag when it is positioned in the loading station 50.
  • a sealing and detaching means is provided for simultaneously sealing aloaded bag and for separating the loaded bag from the web I2 while the bag is being sealed.
  • a substantially vertically extending guard bracket 60 is provided rearwardly of the path of travel of the web I2 adjacent the loading station 50.
  • a slot 6I is provided in the guard bracket 60.
  • a heater bar 62 is positioned within the region of the slot 61.
  • a knife or gripper bar 63 having a toothed edge 64 is positioned above the heater bar 62 to project into the slot 61.
  • the slotted guard bracket 60 serves a number of functions. First, it acts as a safety device to prevent injury to the fingers or hands of an operator by shielding the heater bar and the knife bar from contact. Second, it facilitates stripping of sealed containers from the heater bar and the sealer bar. Since the portion of the web being sealed must assume a generally U-shaped configuration upon insertion through the slot 61, the weight of the loaded bag will tend to pull the bag outwardly and away from the heater bar and sealer bar at the completion of the sealing operation.
  • a sealing bar 64 is provided for clamping the faces of the bag 53 into engagement with one another with this inner face in engagement with both the heater bar 62 and the knife bar 63.
  • a resilient rubber pad 65 is carried by the sealing bar 64 to perform this clamping function.
  • the sealing bar 64 is supported by a pair of support rods 66, 67.
  • the support rods 66, 67 are journaled by.
  • a transversely extending frame member 71 rigidly connects the inward ends of the rods 66, 67.
  • a first actuator means in the form of a pneumatic cylinder 72 is connected between the transversely extending bar 68 and the transversely extending frame member 71.
  • the support rods 66, 67 may be moved axially by the actuator 72 to move the sealing bar 64 toward and away from the heating bar 62 and the knife or gripper bar 63.
  • the ac tuator 72 in its extended position serves to clamp the rubber pad 65 of the sealing bar 64 in engagement with the heating bar 62 and the knife bar 63, and in its retracted position serves to move the sealing bar away from the heater bar and the knife bar.
  • the sealing bar 64 When the sealing bar 64 is in its outwardly extended position, the web ,12 with its integrally formed container 53 extends between the support rods 66, 67. The container 53'is then solely supported by its connection to the web 12. When, however, the sealing bar 64 is moved to its inward sealing position, the rubber pad 65 serves to clamp both sides of the container 53 against the heater bar 62 and the knife bar 63. At this time, the
  • heater bar 62 then serves to heat seal the container 53 while the toothed edge 64 of the knife bar 63 punctures the web at intermediate positions across the web surface above the region of the heat seal.
  • a finned heat dissipator 73 is provided in contact with the upper surface of the knife bar 63.
  • the heat dissipator 73 has a large finned surface area for heat dissipation.
  • the sealing and detaching assembly pivots downwardly, as is shown in phantom in FIG. 4 to separate the bag 53 which is being sealed from web 12.
  • a tearing off action is thereby provided, as is further illustrated in FIG. 8.
  • the separation is along a preformed line of weakness in the web such as a row of perforations.
  • the coaction of the knife gripper bar 63 and the pad 65 gripping the bag between the newly formed seal and the line of weakness assure that the separation is along this line rather than elsewhere.
  • the sealing and detaching means therefore comprises a pivotally mounted assembly.
  • This assembly is pivotally mounted about a shaft 75, as best seen in FIG. 1.
  • the shaft 75 is supported by a pair of transversely extending brackets 76, 77 formed integrally with the arm 40.
  • a pair of collars 78, 79 journaled on the shaft 75 connect respectively with the bracket 69 and the transversely extending bar 68.
  • the brackets 69, 70 connect with a pair of frame side members 80, 81.
  • the frame side members 80, 81 connect at their front ends with a transversely extending frame member 82.
  • a rigid frame is formedcomprisingthe elements 68, 80, 81, 82 and this frame is pivotally mounted about the shaft 75.
  • This frame serves to support the heater bar 62, the knife bar 63, and the sealing bar 64, and the actuator 72 for moving the sealing bar.
  • a second actuator 85 is provided for moving the sealing and detaching assembly about the pivot shaft 75.
  • the second actuator connects at one end with the cabinet 11, as is best seen in FIG. 4, at the other end with a bracket 86.
  • the bracket 86 connects with the side bar 81.
  • a stripper bar 90 is pivotally mounted about an axis 91 from the guard bracket 66.
  • a spring 92 biases the stripper bar against the front surface of the guard bracket 60.
  • a magnet (not shown) carried by the sealing bar 64 serves to snap the stripper bar outwardly when .the sealing bar 64 moves outwardly from its fully inward position. By this arrangement, the stripper bar serves to *disengage sealed containers from the heater bar and knife bar.
  • the operation of the packaging machine 11 may best be described with reference to the schematic FIGS. 5, 6, 7, and 8.
  • the web 12 is initially fed over the first idler roller 13 and between the feed rolls 16, 17 while the lower feed roll 17 is in its lowered position, as illustrated in FIG. 5.
  • the lower feed roll support assembly is then moved to its upper position wherein the feed rolls 16, 17 are in engagement with the web 12.
  • the movement of the sealing and detaching assembly is sufficiently rapid to substantially withdraw the weight of the contents of the container 53 from the region of the heat seal. This action thereby removes a substantial portion of the strain on the region of the heat seal which might otherwise tend to cause the container 53 to shear off along the line of the heat seal during the heat sealing operation.
  • the toothed surface 64 of the knife bar 63 simultaneously punctures the web 12 above the region of the heat-seal to assure separation of the bag 53 from the web 12 along the preformed line of weakness in the web rather than along the line of the heat seal.
  • the first actuator 72 With the sealing and detaching assembly in the downwardly pivoted position, the first actuator 72 is then rapidly retracted. This action draws the stripper bar outwardly to strip the sealed container 53 away from the region of the heater bar 62 and the knife bar 63. The sealed container 53 is then free to drop onto a suitable container or conveyor which may be provided beneath the loading station 50.
  • the sealing and detaching assembly with the sealing bar in its extended position, is then returned by the second actuator 85 to its sealing position.
  • an electrical control means (not shown) operates the motor 26 to advance the web 12. As indicated previously this web advance can commence beforethe seal iscompleted and the pad 65 has been moved to release its clamping pressure.
  • another container is fed forward to the loading station 50 prior 9 to and simultaneously with the return movement of the sealing and detaching assembly. The container is then loaded and the sealing operation automatically repeated.
  • FIG. 9 A semi-automatic version of the machine of this invention is shown in FIG. 9.
  • the semi-automatic version is substantially identical to the automatic machine in many respects, and identical parts are indicated with the same reference numerals used previously.
  • the semi-automatic version principally differs from the automatic version in that the sealing unit is oriented vertically rather than horizontally, and the knife bar assembly is removed. Also, the cabinet of the machine is provided with a forwardly extending guard portion to shield the repositioned sealing unit.
  • a semi-automatic machine is shown generally at 98.
  • the machine 98 includes an identical drive motor 26 and feed rolls 16, 17 for advancing a web l2of interconnected bag-like containers as was previously described in conjunction with the automatic machine 10.
  • V i V i
  • a loading station is established at 50.
  • the web-12 of interconnected containers feeds vertically downwardly from the feed rolls 16, 17 to the loading station where a container is opened by a stream of air adjacent the loading chute 51.
  • the operator tears the loaded container from the web along a preformed line of weakness in the web between adjacent containers.
  • the cabinet 12 is provided with a forwardly extending guard portion 99.
  • the guard portion 99 has a horizontally extending slot 101 formed therethrough at a position behind the loading station 50.
  • the slot 101 defines a sealing station indicated generally by the numeral 100.
  • a heater bar 102 is provided adjacent the lower edge of the slot 101.
  • a sealing bar 103 carrying a rubber pad 104 is provided for clamping both sides of the open end of the container 53 against the heater bar 102.
  • a pair of support rods 105 support the sealing bar 103 and are adapted to move axially to move the sealing bar toward and away from the heater bar 102.
  • a pneumatic actuator 106 is supported by a bracket .107 from the cabinet 11.
  • the actuator 106 connects with a transversely extending frame member 108 which, in turn, connects with the support rods 105.
  • the actuator 106 in its extended position serves to position the sealing bar 103 away from the heater bar 102, and in its retracted position serves to clamp the sealing bar 103 against the heater bar 102.
  • a foot operated control indicated generally by the numeral 110 is provided in the lower region of the cabinet 11.
  • the foot control 110 is operative to control a pneumatic valve 111 and an electrical motor control (not shown).
  • the valve 111 is opened to admit pressurized fluid from a hose 112 to a hose 113 which connects with the actuator 106.
  • the actuator 106 is thereby caused to extend to clamp the loaded container 53 against the heater bar 102.
  • the valve 111 vents the hose 113 to atmosphere to release the pressur'ized fluid from the actuator 106.
  • the foot operated actuator 110 also includes an electrical switch means (not shown) which controls the operation of the drive motor 26.
  • depression of the foot control 110 causes the feed rolls 16, 17 to advance the web .12 to bring a new bag into the loading position concurrent with the operation of the sealing mechanism.
  • the web 12 is caused to commence to ad vance simultaneously with the movement of the sealing bar 103 from its clamping position.
  • sealing means establishing a sealing station for sealing a loaded container
  • said sealing means comprising a movably mounted assembly including a heater bar, a gripper bar and a sealing bar;
  • actuator means for relatively moving said sealing bar and said heater bar toward and away from one another;
  • said gripper bar being operative to grip the web along a line in the region near the area of the heat seal being formed on said loaded container;
  • said assembly being movable to sever said loaded container from said web along a line of weakness of the web during that portion of the heat sealing cycle subsequent to the engagement of the web by said gripper bar and prior to the release of the web by said gripper bar.
  • sealing station is disposed laterally of said path of travel and said sealing bar is operable to move the loaded container laterally of said loading station to said sealing station and to clamp opposite sides of the loaded container between said heater bar and said sealing bar while causing said gripper bar to engage the web near the region being heat sealed.
  • the packaging machine of claim 1 additionally including stripper means for stripping a sealed loaded container from said heater bar once the force clamping said heater bar and said sealing bar against the loaded container has been released.
  • sealing bar includes a magnet adapted to move said stripper means tostrip a sealed loadedcontainer from said heater bar during outward movement of said sealing bar away from said heater bar.
  • sealing bar is supported by a pair of rods
  • said pair of rods are movably supported by said pivotally mounted assembly for axial movement relative thereto;
  • said actuator means connects with said support rods to move said support rods and said sealing bar.
  • said actuator means comprises a fluid-pressure responsive cylinder.
  • Apackaging machine comprising:
  • sealing means establishing a sealing station rearwardly of said loading station for closing a loaded container about its contents
  • sealing means comprising a pivotally mounted assembly including a heater bar, a knife bar, and a sealing bar;
  • a first actuator means mounted on said pivotally mounted assembly and operative to move said sealing bar toward and away from said heater bar;
  • a second actuator means mounted on saidcabinet and connecting with said pivotally mounted assembly to pivotally move said assembly about its pivotal connection;
  • a knife bar operative to grip said web along a line in the region above the area of the heat seal being formed on said loaded container
  • said assembly being pivotally movable to tear said loaded container being sealed from said web along a line of weakness in the web concurrently with the formation of said heat seal.
  • said sealing bar has a rubber pad formed therealong
  • said knife bar is mounted on said assembly above said heater bar adjacent said heater bar;
  • said rubber pad is operative to clamp the opposite sides of said loaded container against said heater bar and to cause knife bar to puncture said web.
  • sealing bar is operable to move said loaded container rearwardly of said loading station to said sealing station.
  • the packaging machine of claim 11 additionally including a stripper bar pivotally mounted adjacent said heater bar for stripping a sealed loaded container from said heater bar during movement of said sealing bar away from said heater bar.
  • sealing bar additionally includes a magnet adapted to engage said stripper bar when said sealing bar is moved to its inward position and to move said stripping bar to strip a sealed loaded container from said heater bar during movement of said sealing bar away from said heater bar.
  • said advancing means comprises a pair of feed rolls and at least one of said feed rolls is movable away from the other feed roll to facilitate threading of said web between said feed rolls.
  • the packaging machine of claim 17 additionally including a pair of pivotally mounted arms supporting said one feed roll, and lock means operableto releasably position said one feed roll in engagement with said other feed roll.
  • sealing structure for closing said containers about their contents including at least one sealing member movable into engagement with the loaded container to be sealed;
  • actuator means for moving said at least one sealing member
  • loaded containers are detachable from said web immediately upon being loaded and said manually controlled mechanism is operable to simultaneously effect sealing of said loaded container and feeding of a successive container to said loading station.
  • sealing structure includes a heater bar and a sealing bar for clamping opposite sides of said container together against said heater bar to seal said container.
  • said actuator means comprises a fluid-pressure responsive cylinder connected to said. sealing bar to effect movement of said sealing bar.
  • a method of packaging comprising the steps of:
  • a sealing station including a heater bar disposed adjacent but spaced from a gripper bar; b. providing a web of heat-scalable material having a loaded container unsealed along one end; 0. positioning said web such that the loaded container is at said sealing station;
  • a method of packaging comprising the steps of:
  • the method of claim 25 additionally including the step of detaching said loaded container from said web while in said loading station prior to moving said loaded container to said sealing station.
  • sealing of said detached container comprises the steps of inserting the open end of said detached container into said sealing station and actuating a manually operable means to effect sealing of said container.
  • closure means establishing a container closure station for effecting closure of a loaded container
  • said closure means comprising; a movably mounted assembly including gripper means, closure securing means, and bar means movable relative to said gripper means and said closure securing means for clamping opposite sides of a loaded container to assure a positive closure thereof and to permit the securing of such closure by said closure securing means; r
  • actuator means for relatively moving said bar means toward and away from said gripper means and said closure securing means
  • said assembly being movable so as to sever the loaded container from the web along a line of weakness of the web;
  • said gripper means being operable in conjunction with said bar means'to engage the web near the region of operation of said closure securing means to effectively isolate this region from such forces as are applied to sever the web during movement of said assembly whereby the closure securing operation and the web severing operations can, if desired, be performed substantially concurrently.
  • a method of packaging comprising the steps of:
  • a closure station including closure securing means disposed near but spaced from a gripper means
  • a. web feed means establishing a path of travel for a packaging web
  • closure means for closing a loaded container, and establishing a closing station spaced laterally from said path but sufficiently near said loading station such that the web may be fed along the path past said closing station, and such that a container positioned in the loading station will extend below the closing station;
  • closure means including relatively movable closure members movable into engagement with said loaded container to move the container to the load station, to bring its faces together and to effect a closure;
  • said closure means comprising a pivotally mounted assembly with said closure members including a heater bar, a gripper bar, and a sealing bar;
  • actuator means mounted on said pivotally mounted assembly and operative to move said sealing bar toward and away from said heater bar;
  • control means operable to release said closure members to permit a closed and loaded container to be removed from said closure station
  • said gripper bar being operative to engage said web in regions near the area of a heat seal'being formed on said loaded container;
  • said assembly being movable to tear said loaded container being sealed from said web along a line of weakness in the web substantially concurrently with the formation of said heat seal.
  • a. web feed means establishing a path of travel for a packaging web
  • closure means for closing a loaded container, and establishing a closing station spaced laterally from said path but sufficiently near said loading station such that the web may be fed along the path past said closing station, and such that a container positioned in the loading station will extend below the closing station;
  • said closure means including relatively movable closure members movable into engagement with said loaded container to move the container to the load station, to bring its faces together and to effect a closure;
  • actuator means for moving said closure members relatively
  • control means operable to release said closure members to permit a closed loaded container to be removed from said closure station;
  • control means comprising control means a manually controlled mechanism operative to effect operation of said actuator means and said advancing means, whereby loaded containers are detachable from said web immediately upon being loaded and said manually controlled mechanism is operative to effectsealing of said loaded container and to simultaneously advance a successive container to said loading station.
  • said sealing means includes a heater bar and a sealing bar;
  • said actuator means is operative to move said sealing bar toward and away from said heater bar.
  • a. web feed means establishing a path of travel for a packaging web
  • closure means for closing a loaded container, and establishing a closing station spaced laterally from said path but sufficiently near said loading station such that the web may be fed along the path past said closing station, and such that a container positioned in the loading station will extend below the closing station;
  • closure means including relatively movable closure'members movable into engagement with said loaded container to move the container to the load station, to bring its faces together and to effect a closure;
  • actuator means for moving said closure members relatively
  • control means operable to release said closure members to permit a closed and loaded container to be removed from said closure station;
  • said advancing means comprises a pair of feed rolls
  • one of said feed rolls is supported by a pair of pivotally mounted arms such that said one feed roll may be moved away from said other feed roll to facilitate threading of said web between said feed rolls;
  • said pivotally mounted assembly is pivotally mounted from one of said arms;
  • a second actuator means is provided for pivoting said pivotally mounted assembly about its pivoted connection with said arm.
  • said second actuator means comprises a fluid-pressure responsive cylinder connected to said pivotally mounted assembly to effect movement of said pivotally mounted assembly.
  • a packaging apparatus comprising:
  • a. structure establishing a path of travel for a packaging web to a loading station
  • closure and gripping means including structure for at least partially penetrating the web to positively engage the web and facilitate the separation of the loaded container from other portions of the web.
  • said actuator means comprises an air actuator which is sufiiciently weak to prevent injury to an operators hand accidentally positioned between said guard bracket and said sealing bar during a a sealing operation;
  • said sealing bar carries a resilient pad which further serves to protect the operators hand.
  • actuator means coupled to said members to effect relative movement of said members toward and away from each other;
  • said assembly being movable to sever a loaded container from the web along a line of weakenss in the web; and I g. said members being operable to grip the web in regions near the area of the closure to effectively isolate the area of the closure from such forces as are applied to sever the web during movement of said assembly, whereby the closure and web severing operation can, if desired, be performed substantially concurrently.
  • said closure station is spaced laterally from said path but sufficiently near said loading station that the web may be fed along the path past said closure station, and such that a container positioned in the loading station will extend below the closure station; and e H I b. said members are additionally operable to move a loaded eontainer to the closure station.
  • said members are operable to heat seal a loaded container and comprise a heater bar, a sealing bar, and a gripper means;
  • said actuator means is operable to move said sealing bar toward and away from said heater bar;
  • said gripper means is operative to engage said web in regions near the heat seal being formed on a loaded container to effectively isolate the region of the heat seal from such container separation forces as may be applied to the web during movement of said assembly.
  • the packaging machine of claim 46 additionally including a stripper bar pivotally mounted adjacent said heater bar for stripping a sealed loaded container from said gripper bar during movement of said sealing bar away from said gripper bar.
  • said advancing means comprises a pair of feed rolls
  • one of said feed rolls is supported by a pair of pivotally mounted arms such that said one feed roll may be moved away from said other feed roll to facilitate threading of said web between said feed rolls.
  • the packaging machine of claim 51 additionally including lock means adapted to releasably lock said one feed roll in engagement with said other feed roll.
  • said second actuator means comprises a fluid-pressure responsive cylinder connected to said pivotally mounted assembly to effect movement of said pivotally mounted assembly.
  • a packaging apparatus comprising:
  • a.- structure establishing a path of travel for a packagd. actuator means for moving said assembly subsequent to the engagement of said relatively movable means with the loaded container to apply container separation forces to a line of weakness connecting the loaded container to the web to sever the container from the web.
  • a packaging apparatus comprising:
  • a. structure establishing a path of travel for a packaging web to a loading station
  • container closure and gripping means movably carried by said structure and including relatively movable closuremembers for closing a container after it has been loaded at the loading station, grip-, ping means for gripping a closed loaded container to confine subsequently applied container separa tion forces to a limited portion of the container, and actuator means for moving said closure and gripping means subsequent to the engagement of said closure members with a loaded container to apply container separation forces to a line of weakness connecting theloaded container to the web to sever the container from the web;
  • closure and gripping means being pivotally mounted such that said container separation forces are applied serially along said line of weakness starting from a point on one end of the line, by pivoting said closure and gripping means relative to the path of travel of the web.
  • the packaging apparatus of claim 57 additionally including sealer means for sealing the loaded container during the gripping of the loaded container by said closure and gripping means.
  • Apackaging apparatus comprising:
  • a. structure establishing a path of travel for a packaging web to a loading station
  • container closure and gripping means movably carried by said structure and including relatively movable closure members for closing a container after it has been loaded at the loading station, gripping means for gripping a closed loaded container to confine subsequently applied container separation forces to a limited portion of the container, and actuator means for moving said closure and gripping means subsequent to the engagement of said closure members with a loaded container to apply container separation forces to a line of weakness connecting the loaded container to the web to sever the container from the web;
  • sealer means for sealing the loaded container during the gripping of the loaded container by said closure and gripping means, including a heater bar against which the loaded container is clamped during closure to effect a heat seal;
  • a stripper bar movably mounted near said heater bar for stripping a sealed loaded container from said heater bar.
  • a packaging apparatus for heat sealing loaded containers at a sealing station comprising:
  • a. structure establishing a path of, travel for movementof a web of bag-like containers to position a loaded container in the sealing station;
  • one of said members comprising a heater mounted inwardly of said recess and shielded therein from contact by an operator;
  • the other of said members being operative during movement toward said one member to move at least a portion of a loaded container into said recess and into engagement with said heater to heat seal the container;
  • gripper means for gripping a loaded container to isolate the, region of the heat seal being formed thereon from such container separation forces as result when said members move as a unit relative to said structure.
  • said other member additionally serves to clamp the web against said gripper means to positively engage the web thereby facilitating separation of a loaded container from other portions of the web.
  • the packaging apparatus of claim 61 additionally including:
  • feeding means for advancing the web along said path comprising at least a pair of feed rolls disposed on opposite sides of said path for engaging and feeding the web;
  • supporting means mounting the other of said rolls and being adapted to selectively support said other roll at an operative position adjacent said one feed roll or at a threading position spaced from said one feed roll a sufficient distance to permit manual threading of the web between said feed rolls;
  • said supporting means being movably mounted on said structure and additionally supporting said members.
  • a packaging apparatus comprising:
  • a. means establishing a path of travel for a packaging web, having a plurality of spaced preformed lines of weakness thereon defining container ends, to a loading station and for sequentiallypositioning a container formed on the web in registry with the loading station;
  • closure means operative while said container is p0- sitioned at said loading station and without moving said container into registry with any other station, to open said container for loading, close said container once it has been loaded, secure the closure, and initiate severance of said loaded container from the remainder of the web.
  • a method of packaging comprising the steps of:

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Package Closures (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
US05139453 1971-05-03 1971-05-03 Packaging method and apparatus Expired - Lifetime US3815318A (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
US05139453 US3815318A (en) 1971-05-03 1971-05-03 Packaging method and apparatus
SE7205615A SE406575B (sv) 1971-05-03 1972-04-27 Forpackningsmaskin med organ for avskiljning av en behallare fran en forpackningsbana
DE2221310A DE2221310C2 (de) 1971-05-03 1972-04-29 Verfahren und Vorrichtung zum Verpacken von Gegenständen in Beuteln
CA140,978A CA997315A (en) 1971-05-03 1972-05-01 Packaging method and apparatus
FR7215490A FR2135571B1 (de) 1971-05-03 1972-05-02
BE117005A BE782910A (fr) 1971-05-03 1972-05-02 Procede d'emballage et machine pour la mise en oeuvre de ce procede
IT4999072A IT957688B (it) 1971-05-03 1972-05-02 Perfezionamento nei procedimenti e dispositivi di confezione automa tica
GB2040272A GB1364356A (en) 1971-05-03 1972-05-02 Packaging closeable containers
NL7205969A NL172136C (nl) 1971-05-03 1972-05-03 Verpakkingsmachine.
US05/336,560 US3965653A (en) 1971-05-03 1973-02-28 Packaging apparatus
US05/401,600 US3948015A (en) 1971-05-03 1973-09-28 Packaging system
US422281A US3882656A (en) 1971-05-03 1973-12-06 Packaging method and apparatus
SE7508964A SE406576B (sv) 1971-05-03 1975-08-08 Sett att forpacka foremal der en behallare efter fyllningen avskiljes fran en materialbana

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05139453 US3815318A (en) 1971-05-03 1971-05-03 Packaging method and apparatus

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US422281A Division US3882656A (en) 1971-05-03 1973-12-06 Packaging method and apparatus

Related Child Applications (3)

Application Number Title Priority Date Filing Date
US05/336,560 Continuation-In-Part US3965653A (en) 1971-05-03 1973-02-28 Packaging apparatus
US05/401,600 Continuation-In-Part US3948015A (en) 1971-05-03 1973-09-28 Packaging system
US05/570,784 Continuation-In-Part US4014154A (en) 1973-02-28 1975-04-23 Packaging method and apparatus

Publications (1)

Publication Number Publication Date
US3815318A true US3815318A (en) 1974-06-11

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Family Applications (1)

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US05139453 Expired - Lifetime US3815318A (en) 1971-05-03 1971-05-03 Packaging method and apparatus

Country Status (9)

Country Link
US (1) US3815318A (de)
BE (1) BE782910A (de)
CA (1) CA997315A (de)
DE (1) DE2221310C2 (de)
FR (1) FR2135571B1 (de)
GB (1) GB1364356A (de)
IT (1) IT957688B (de)
NL (1) NL172136C (de)
SE (2) SE406575B (de)

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US3948015A (en) * 1971-05-03 1976-04-06 Automated Packaging Systems, Inc. Packaging system
US3956866A (en) * 1974-06-28 1976-05-18 Automated Packaging Systems, Inc. Packaging method and apparatus
US4014154A (en) * 1973-02-28 1977-03-29 Automated Packaging Systems, Inc. Packaging method and apparatus
US4202153A (en) * 1977-10-25 1980-05-13 Automated Packaging Systems, Inc. Method and apparatus for loading containers horizontally
US4354335A (en) * 1978-05-06 1982-10-19 Alfons Meyer Method for orderly transport and storage of flat objects and a plastic bag suitable therefor
US4430844A (en) * 1981-04-27 1984-02-14 Hayssen Manufacturing Company Method of and apparatus for wrapping articles
US4651506A (en) * 1985-01-04 1987-03-24 Automated Packaging Systems, Inc. Packaging apparatus and method
US4676051A (en) * 1986-10-20 1987-06-30 Moore Push-Pin Company Method and apparatus for forming, filling and sealing bags made from a continuous plastic sheet
US4779400A (en) * 1986-10-20 1988-10-25 Moore Push-Pin Company Method and apparatus for forming, filling and sealing bags made from continuous plastic sheets
USRE32963E (en) * 1985-01-04 1989-06-27 Automated Packaging Systems, Inc. Packaging apparatus and method
US4899520A (en) * 1988-03-29 1990-02-13 Automated Packaging Systems, Inc. Packaging apparatus and method
US4928455A (en) * 1987-12-01 1990-05-29 Automated Packaging Systems, Inc. Packaging machine and method
US5341625A (en) * 1992-08-27 1994-08-30 Automated Packaging Systems, Inc. Bagging control apparatus and method
US5394676A (en) * 1992-09-30 1995-03-07 Automated Packaging Systems, Inc. Packaging machine and method
US5599234A (en) * 1992-04-03 1997-02-04 Gkn Automotive Ag Constant velocity fixed joint
US5772565A (en) * 1995-08-30 1998-06-30 Automated Packaging Systems, Inc. Heat sealer
US5956929A (en) * 1997-04-18 1999-09-28 I.D. Images, Inc. Packaging system for the tube stock continuous film media
WO2006021839A1 (en) * 2004-08-26 2006-03-02 Gino Rapparini Process for aseptic packaging of sterile liquids in flexible containers
US20070240386A1 (en) * 2006-04-18 2007-10-18 Zeedyk Derek J Method and apparatus for making packages with internal headers from preformed bags
CN102975882A (zh) * 2012-11-28 2013-03-20 海昌隐形眼镜有限公司 软性隐形眼镜自动上机封装方式及其装置
US20140196405A1 (en) * 2013-01-14 2014-07-17 Sunbeam Products, Inc. Vacuum Sealer with a Retractable Heater Bar
CN111977100A (zh) * 2020-09-24 2020-11-24 珠海大横琴科技发展有限公司 一种包装袋拉紧撕断分离装置
US11008127B2 (en) 2016-10-31 2021-05-18 Zing-Pac, Inc. Floating platen system
US11851218B1 (en) * 2019-09-23 2023-12-26 Amazon Technologies, Inc. Material handling apparatus

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DE2526432C3 (de) * 1975-06-13 1984-03-08 Windmöller & Hölscher, 4540 Lengerich Vorrichtung zum Speichern und Zuführen von Ventilsäcken zu Füllmaschinen
NL8602817A (nl) * 1986-11-06 1988-06-01 Audion Elektro Bv Inrichting voor het verpakken van produkten.
CN111232257B (zh) * 2020-02-22 2021-08-10 宁夏秦禹建设工程有限公司 一种水利用防洪沙袋双层装袋装置
CN113928661A (zh) * 2021-11-19 2022-01-14 齐乐智能科技(惠州市)有限公司 一种投袋式打包机

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Cited By (35)

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Publication number Priority date Publication date Assignee Title
US3948015A (en) * 1971-05-03 1976-04-06 Automated Packaging Systems, Inc. Packaging system
US4014154A (en) * 1973-02-28 1977-03-29 Automated Packaging Systems, Inc. Packaging method and apparatus
US3956866A (en) * 1974-06-28 1976-05-18 Automated Packaging Systems, Inc. Packaging method and apparatus
US4202153A (en) * 1977-10-25 1980-05-13 Automated Packaging Systems, Inc. Method and apparatus for loading containers horizontally
US4354335A (en) * 1978-05-06 1982-10-19 Alfons Meyer Method for orderly transport and storage of flat objects and a plastic bag suitable therefor
US4430844A (en) * 1981-04-27 1984-02-14 Hayssen Manufacturing Company Method of and apparatus for wrapping articles
US4651506A (en) * 1985-01-04 1987-03-24 Automated Packaging Systems, Inc. Packaging apparatus and method
USRE32963E (en) * 1985-01-04 1989-06-27 Automated Packaging Systems, Inc. Packaging apparatus and method
US4676051A (en) * 1986-10-20 1987-06-30 Moore Push-Pin Company Method and apparatus for forming, filling and sealing bags made from a continuous plastic sheet
US4779400A (en) * 1986-10-20 1988-10-25 Moore Push-Pin Company Method and apparatus for forming, filling and sealing bags made from continuous plastic sheets
US4928455A (en) * 1987-12-01 1990-05-29 Automated Packaging Systems, Inc. Packaging machine and method
US4899520A (en) * 1988-03-29 1990-02-13 Automated Packaging Systems, Inc. Packaging apparatus and method
US5599234A (en) * 1992-04-03 1997-02-04 Gkn Automotive Ag Constant velocity fixed joint
US5570568A (en) * 1992-08-27 1996-11-05 Automated Packaging Systems, Inc. Bagging control apparatus and method
US5341625A (en) * 1992-08-27 1994-08-30 Automated Packaging Systems, Inc. Bagging control apparatus and method
US5568718A (en) * 1992-09-30 1996-10-29 Automated Packaging Systems, Inc. Packaging machine and method
US5394676A (en) * 1992-09-30 1995-03-07 Automated Packaging Systems, Inc. Packaging machine and method
US5586708A (en) * 1992-09-30 1996-12-24 Automated Packaging Systems, Inc. Packaging machine feed mechanism
US5640834A (en) * 1992-09-30 1997-06-24 Automated Packaging Systems, Inc. Packaging machine and method
US5499485A (en) * 1992-09-30 1996-03-19 Automated Packaging Systems, Inc. Packaging machine and method
US5772565A (en) * 1995-08-30 1998-06-30 Automated Packaging Systems, Inc. Heat sealer
US5956929A (en) * 1997-04-18 1999-09-28 I.D. Images, Inc. Packaging system for the tube stock continuous film media
US20090223173A1 (en) * 2004-08-26 2009-09-10 Gino Rapparini Process for aseptic packaging of sterile liquids in flexible containers
WO2006021839A1 (en) * 2004-08-26 2006-03-02 Gino Rapparini Process for aseptic packaging of sterile liquids in flexible containers
US7958697B2 (en) 2004-08-26 2011-06-14 Gino Rapparini Process for aseptic packaging of sterile liquids in flexible containers
US7448185B2 (en) 2006-04-18 2008-11-11 Automated Packaging Systems, Inc. Method and apparatus for making packages with internal headers from preformed bags
US20090031675A1 (en) * 2006-04-18 2009-02-05 Automated Packaging Systems, Inc. Method and apparatus for making packages with internal headers from preformed bags
US20070240386A1 (en) * 2006-04-18 2007-10-18 Zeedyk Derek J Method and apparatus for making packages with internal headers from preformed bags
US8141329B2 (en) 2006-04-18 2012-03-27 Automated Packaging Systems, Inc. Method and apparatus for making packages with internal headers from preformed bags
CN102975882A (zh) * 2012-11-28 2013-03-20 海昌隐形眼镜有限公司 软性隐形眼镜自动上机封装方式及其装置
US20140196405A1 (en) * 2013-01-14 2014-07-17 Sunbeam Products, Inc. Vacuum Sealer with a Retractable Heater Bar
US11008127B2 (en) 2016-10-31 2021-05-18 Zing-Pac, Inc. Floating platen system
US11851218B1 (en) * 2019-09-23 2023-12-26 Amazon Technologies, Inc. Material handling apparatus
CN111977100A (zh) * 2020-09-24 2020-11-24 珠海大横琴科技发展有限公司 一种包装袋拉紧撕断分离装置
CN111977100B (zh) * 2020-09-24 2022-02-18 珠海大横琴科技发展有限公司 一种包装袋拉紧撕断分离装置

Also Published As

Publication number Publication date
SE7508964L (sv) 1975-08-08
CA997315A (en) 1976-09-21
SE406575B (sv) 1979-02-19
SE406576B (sv) 1979-02-19
DE2221310A1 (de) 1972-11-23
DE2221310C2 (de) 1984-11-22
IT957688B (it) 1973-10-20
BE782910A (fr) 1972-09-01
NL172136C (nl) 1983-07-18
FR2135571B1 (de) 1973-07-13
FR2135571A1 (de) 1972-12-22
GB1364356A (en) 1974-08-21
NL7205969A (de) 1972-11-07
NL172136B (nl) 1983-02-16

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