Abstract: A block of bags for a product filling process includes a plurality of bags stacked in overlying relationship. Each bag of the block has a top edge, a bag mouth and opposite first and second side edges. First and second edge lines of perforations extend from edge points on respective opposite lateral edges of the bag. The edge points are spaced closely to the bag mouth of the bag. A central line of perforations extends between inner ends of the first and second edge lines of perforations. The central line of perforations is offset from the edge points, away from the bag mouth. A tear-off region is defined between the central line of perforations and the top edge. During automatic filling of the bad, the edge lines of perforations are torn to form an open bag mouth, and the central line of perforations is torn after filling to separate the bag from the block.

Abstract: A bag supplying device including a conveying arm that has a fixed clamping element and a movable clamping element, a reciprocating-rotating assembly that causes the conveying arm to make a back-and-forth rotational movement between a downwardly-facing clamping position and a substantially horizontal intermediate position, a slide frame on which the rotational shaft is rotatably supported, a reciprocating movement assembly that reciprocates the slide frame horizontally so that the conveying arm advances toward and retracts from a transfer position (where bags are transferred) to a gripper, and an opening-and-closing assembly that opens and closes the movable clamping element. With the bag mouth of an empty bag clamped by the clamping element, the conveying arm rotates upward and then advances to the transfer position, then the movable clamping element opens so as to transfer the empty bag, which is in a vertical attitude, to the gripper.

Abstract: The present invention relates to a method and a device for picking-up and opening in the shape of elongate bags for automatic packing of cylindrical articles, preferably can lids. The method is charaterized by picking-up essentially flattened packages from a package magazine by means of pick-up means, opening the individual package by application thereon, at least in the area of the opening-mouth end of bags, of surface-holding means to opposite sides of the package and thereafter moving said means away from the package and then moving said means apart whereby the package mouth is distended.

Abstract: An apparatus for removing a bag (5) which is open on one side (5) from a stack (2) of such bags which are preferably stored in a bag hopper (1), this being by means of a lifting and suction apparatus, whereby the lifting and suction apparatus is a preferably driven conveyor belt (3) and for further conveying the bag (5) to a position for further processing. In order to enable a high throughput rate of the bags to be removed and to enable the realization of a position for further processing which is variably adaptable to the system requirements or can be optionally horizontal, vertical or in between, it is provided that the lifting and suction apparatus is horizontally and vertically movable to accelerate the removing of the bags.

Abstract: A packaging apparatus for packaging a product, said apparatus having a bag magazine containing a number of preformed bags from which bags are separated by a lifting member which lifts each bag at or adjacent to its sealed end; a support device for separating a bag from the magazine and presenting it for opening by a movable gripping and opening device; means for opening the inlet region of the bag by said gripping and opening device, said gripping and opening device transporting the bag onto an outlet, said outlet being configured to grip the inlet region of the bag such that a product can then be ejected into the bag.

Abstract: An integrated and compact bag filling machine comprising a material dispensing spout, a slip tube suspended in substantially vertical alignment with the spout, and a bag sealing apparatus comprising a pair of opposable forming bars and a pair of independently actuable and opposable sealing bars is herein disclosed. The bag filling machine is capable of bottom filling and sealing both paper and plastic bags having gusseted or flat sides with little or no modification.

Abstract: A hag-loading machine and a bag-filling machine and combination thereof, the bag-loading machine including bag carrying frame, motors coupled to the bag-carrying frame for moving it toward and away from the bag-filling machine and between a lower position and an upper bag-filling position, a first blower mounted on the bag carrying frame for maintaining a supported bag in an open condition, a second blower mounted on the bag-filling machine for blowing the supported bag to a fully opened position preceding the clamping of the bag to a conveyor trough, Structure on the conveyor trough for filling the clamped bag, structure on the bag-filling machine for releasing the filled bag from the conveyor trough, and a control system for effecting the foregoing sequence of operations.

Abstract: A bag-loading machine and a bag-filling machine and combination thereof, the bag-loading machine including bag-carrying frame, a first motor coupled to the bag-carrying frame for moving it between a lower and a higher position, a bag-opening frame, a second motor for moving the bag-opening frame between an away position an a toward position wherein it pulls the front side of a bag away from the rear side while the bag-carrying frame is in its lower position, a blower mounted on the bag-carrying frame for maintaining the front side of the bag away from the rear side, the bag-filling machine including a second blower for blowing the bag to a fully opened position preceding the movement of first and second closed pads on a conveyor trough over the fully opened bag, the first motor thereafter moving the bag-carrying frame to its upper position so that the first and second closed pads are received within the open mouth of the bag, a third motor on the conveyor trough thereafter moving the first pad to clamp the fr

Abstract: A machine for filling and closing seed packets has a conveyor system which includes first and conveyors, when continuously advance a succession of preformed seed packets. Packets are filled from a continuously rotating funnel wheel which receives seed from a vibratory feeder as the packets are advanced by the first conveyor. The second conveyor receives packets from the first conveyor and applies sealing pressure to the closing flaps on the packets as the packets are further advanced.

Abstract: A bag-loading machine and a bag-filling machine and combination thereof, the bag-loading machine including bag-carrying frame, a first motor coupled to the bag-carrying frame for moving it between a lower and a higher position, a bag-opening frame, a second motor for moving the bag-opening frame between an away position an a toward position wherein it pulls the front side of a bag away from the rear side while the bag-carrying frame is in its lower position, a blower mounted on the bag-carrying frame for maintaining the front side of the bag away from the rear side, the bag-filling machine including a second blower for blowing the bag to a fully opened position preceding the movement of first and second closed pads on a conveyor trough over the fully opened bag, the first motor thereafter moving the bag-carrying frame to its upper position so that the first and second closed pads are received within the open mouth of the bag, a third motor on the conveyor trough thereafter moving the first pad to clamp the fr

Abstract: An automatic bag-dispenser which includes a supply of bags (30) arranged flat in a stack (3), and two rotary devices (1, 2) which have parallel axes, are located adjacent each other and are covered with a non-slip material. The rotary devices (1, 2) rotate in counter-rotation at linear speeds which differ at their periphery. At least one of the rotary devices (1, 2) can come into contact with one of the two end bags (30) in the stack (3) in the region of the bottom (32) of the bag (30) such that it can be driven between the rotary devices (1, 2). At least one of the rotary devices (1, 2) has a central part which is not rotated and opposite which devices (4) for gripping the center part of the bag (30) are active.

Abstract: Apparatus for opening an open end of a pouch, an overwrap, or the like so as to facilitate the insertion of an object thereinto includes a number of processing stations, such as a storage station where a supply of pouches is stored and an opening station where an open end of a pouch transported thereto from the storage station is opened so as to receive an object. A transporting mechanism, which includes a suction-type gripper, transports a pouch from the storage station to the opening station and then from the opening station to another station, which may or may not be a processing station. The suction-type gripper of the transporting mechanism continuously grips a pouch throughout its movement from station to station. The opening station may be provided with its own pair of suction-type grippers which cooperate to open a pouch which has been transported to the opening station.

Abstract: A bag-packaging machine has four pincers with a vertical flange and two oblique flaps which define an octagonal shape. The distance of these elements with regard to a central axis of this octagonal shape is governed, simultaneously and in synchronization, by regulator. A folding chute its provided. The chute is pivotable about a longitudinal lateral axis and is centered with respect to the axis of the octagonal shape. A securing and elevation device is provided for the upper part of a bag, a cutting and securing device is provided to separate the bags and a gathering device is provided for the bags.

Abstract: A method and a machine for automatically bagging articles in a bag and in a sequential and uninterrupted manner. A plurality of articles are continuously fed to the machine and received in two or three compartments, herein three compartments. Once the third article is received in the third compartment, all three articles are discharged within a bag held under the machine. A control circuit, after a predetermined time delay actuates an article support element which is caused to enter into the third compartment or the first compartment depending on the sequence of loading the machine whereby to support a fourth article entering the third compartment due to the fact that the bottom end of all compartments is open. The feeding device is uninterrupted and continues to feed articles to the machine regardless if the bottom discharge gate is open and the sequence is automatically reversed, back and forth, between the first and third and third and first compartments.

Abstract: Apparatus for packaging includes a pivoting transport arm for removing a product from a moving conveyor and placing the product at a first work station. A pusher mechanism pushes the product delivered to the first station between spaced plates into a plastic bag and then through gates of a closure device to the second station. The closure device seals the bag with the product therein and the bagged product is subsequently discharged from the second station.

Abstract: A fully automated apparatus and operating system for supplying, transferring, filling, and sealing bags, utilizing a clam shell type of filling spout is provided in combination with apparatus for sealing each filled bag in close proximity to the spout. The bag sealing apparatus incorporates heat sealing bars mounted on a carriage movable between a first position adjacent to the filling spout for receiving filled bags and sealing them, and a second position wherein filled and sealed bags are released. The same carriage supports clamping bars movable between open and closed positions to clamp a filled bag while it is still being held on the filling spout, and to support the bag, after removal from the spout, while the bag mouth is being sealed by the heat sealing bars.

Abstract: A device for packaging large series of similar articles or products which are delivered upon conveyor belts or the like, and wherein each subject to be packed is moved from the conveyor, while a bag is taken from a holder, blown up by air and kept by two gripper spoons, such that the bag can slip over the object, and the object is kept in the bag by a pusher.

Abstract: A packing assist apparatus is provided which assures that articles to be packed can continuously be packed without close contact of the surface of a packing film with the surface of the articles and each packing operation can be performed at improved efficiency. A rotary member is disposed on a support column standing upright from a base board, an arm is fitted to the rotary member, and a holding frame having an opening portion through which the articles can pass is fitted to the arm. Putting means for putting a packing bag on the holding frame is arranged below the rotary member.

Abstract: Bag pick up and feed assembles pick up a flat folded bag from a magazine and direct the picked up bag to a bag positioner assembly, the feed assembly including a first set of rollers moved away from a second set before the bag is moved therebetween and thence together to feed the bag. The positioner assembly moves the bag to extend vertically for top edge portions being clampingly engaged by a carriage assembly and thereby forwardly conveyed to beneath a hopper spout. Bag top side wall portions of the clamped bags are spread by vacuum cups of the carriage assembly. Power operated linkage mechanism moves closed spout jaws downwardly between the spread side wall portions and thence open the jaws to spread the bag side walls as product is discharged through opening jaws to open the clamped bag.

Abstract: A bagging machine for inserting semi-compressible articles into preformed bags having a product loading arm vertically and horizontally mounted to the bag loading surface of a frame that can be programmed to move downwardly to engage a plurality of articles to be bagged and move them horizontally into an opened bag for subsequent removal to a remote location. A suction device engages a bag to positively open the bag to receive the compressed articles. A hold-down device also functions to direct the packaged articles downwardly and into a position for movement to a remote location. The bagging machine can be joined with a compactor and programmed to automatically receive compacted pluralities of articles for subsequent bagging. The compactor and bagging machine become fully automatic when a displacing device is associated with the compactor to move the compressed articles to the bag loading surface.

Abstract: An umbrella fitting device permits a wet umbrella to be inserted into an umbrella sack by simple handling, enabling a visitor to utilize an umbrella sack free of charge. The device has a top open portion 6 and a vertically elongate front open portion 4, two shafts 9, 9 fixed in position on the interior of the device at a rear side thereof and extending to a location adjacent the front open portion, and pivot members 16, 17 arranged at opposite sides of the front open portion 4 for pivotal movement within a horizontal plane. The pivot members 16, 17 are normally maintained in a position such that the pivot members lie across the front open portion by elastic elements. Locking elements 14, 14 are operative to block the front end portions of the shafts 9, 9 when the pivot members lie across the front open portion 4 and to release the front end portions of the shafts 9, 9 when the pivot members 16, 17 pivot outward. An umbrella sack assembly has one-side open, elongate umbrella sacks A.sub.1, A.sub.

Abstract: A device for feeding a packaging machine via a bag stack feeder possesses at least one holder to secure a stack of bags. To date an operator placed the corresponding empty bags in stacks on a chain conveyor which fed the bags into the packaging machine. Due to the short cycle time, the manual loading tied an operator continuously to the machine. In order to avoid this, a bag stack feeder is equipped with a plurality of tray-like carriers, each fitted with a holder and each being detachable from the bag stack feeder. These carriers are respectively stored in large numbers in a magazine, which is exchangeable as a unit.

Abstract: An apparatus for packing fowl which includes first and second work stations. The first work station is provided to receive the product to be packaged. A pusher mechanism pushes the product from the first station between spaced plates into a plastic bag and then through the gates of a clipper mechanism. Advancement is slightly retarded by means of a blocking mechanism to thereby insure that the product is tightly retained within the flexible plastic bag. The bag and product are thereby moved to the second station at which time a holding bar preliminary closes the bag. Thence, gates close and gather the neck of the bag and a metal clip is advanced by means of a punch in a clip channel defined by the closed gates. The clip is thereby fastened about the neck of the closed plastic bag and the excess tail of the bag is cut by means of a knife. Trap doors then release the packaged product onto a conveyor belt, a new bag is positioned on the spaced, guide plates, and the apparatus is ready to recycle.

Abstract: The storage device for umbrellas sacks of the present invention comprises: a body where a number of storage sacks are stored; a movable support base arranged to move vertically in the body; a wear plate that makes said movable support base lower when it contacts an edge of an umbrella; and open control levers that open the storage sacks in the descending motion of said movable support base. The storage device is structured so that the umbrella can be automatically inserted in the storage sack when the open control levers open the storage sack in the descending motion of the movable support base by contacting the wear plate with the edge of the umbrella. The wear plate simultaneously sweeps back by rotating downward.

Abstract: A system for enclosing an article includes a packaging apparatus for enclosing an article in a pouch configured as part of a packaging structure having first and second ends and an opening for the pouch. The packaging apparatus includes a platform with front and rear sides and a support surface therebetween, a heat sealer and a framework for positioning the sealer forward of the platform with an open space therebetween and with an open area under the platform. In use, a bundle of packaging structures, joined at the first ends, is coupled with the platform rear side, and then extended under the support surface, around the rear side through the open space and onto the support surface with the pouch openings supported above the surface. An article is inserted in the topmost pouch through the opening which is then sealed by the sealer. Filled structures are suspended below the platform rear side until all of the pouches have been filled.

Abstract: Device for packaging products, in particular bread, in bags, comprising a bearing guide (1) which guides a bearing part (2) which is driven in a reciprocating movement. The bearing part bears lower and upper scoops (7, 9) which can move relative to each other. During the movement of the bearing part, the scoops place a bag (13) over product (8). The lower scoop has a supporting surface (30) which, at least during the infeed of a product is inclined downwardly. A horizontal conveyance surface of discharge means (15) extends to just below the lower scoop. The device comprises a tilting unit in order to turn the scoops in such a way that the supporting surface assumes a horizontal position while a bag is being placed.

Abstract: An apparatus (10) is disclosed including fixtures (32) mounted to carrier bars (30) removably secured to roller chains (24) extending in parallelogram-shaped closed loops. In a first, vertical portion of the closed loops, bags (12) are loaded into the fixtures (32) in a folded condition by a loading device (50). Guides (274) prevent the bags (12) from moving from the fixtures (32) when the fixtures (32) move from the first, vertical portion to a second, horizontal portion. The bags (12) are opened by suction cups (104, 106) and filled with product and then collapsed and sealed in the horizontal portion. Guides (184) prevent the bags (12) from moving from the fixtures (32) when the fixtures (32) move from the second, horizontal portion to a third, vertical portion and bend the portions of the bags (12) extending out of the fixtures (32) at a nonlinear angle to the fixtures (32). The bags (12) are ejected from the fixtures (32) in the third, vertical portion by reciprocal pushing plates (172, 174).

Abstract: A bag filling machine for inserting multiple articles in a bag has multiple chutes to distribute the articles to compartments in a hopper. A trap door on the bottom of the hopper holds the bag to be filled open while the articles drop therein. Improvements enhance the speed of operation and reliability of this machine.

Abstract: A machine for filling reticulate sacks having closing and holding bands, or the like, has a turning support with four crossed arms. Each arm having two vertical blades. Four stations are located about the support. A first station carries the sacks to the blades. A second station forms a loop and delivers the sack to a suspension device. A third station fills the sack. A fourth station closes the mouth of the sack and fixes such. The machine further includes an initial sack holding device, a loop forming device, a suspension device for each sack arranged at the four arms of the turning support, a hopper unloading the products into the sack and a vertically displaceable platform. A fixing device for the closure of the sack and a device for unleashing the loop on the band from the suspension device are also provided.

Abstract: Two bag pick up assemblies and a feed assembly pick up two bags at a time from two bag stacks and direct the bags to a bag positioner assembly. The positioner assembly moves the bags to a nearly vertical position in longitudinal alignment to be conveyingly engaged at the top edge portions and conveyed beneath hopper spout assemblies whereat hanger assemblies clampingly engage bag top corner portions and dependingly support the bags. Bag top side wall portions of the clamped bags extending above the members are spread by vacuum cups on conveyor members. Spout jaws move downwardly between the spread side wall portions. The conveyor members move from a chain closed position to a chain open position as product is discharged through the opening jaws to open the clamped bags.

Abstract: A bagging apparatus includes a bag storage mechanism arranged to store a number of stacked bags, a bag feeding mechanism arranged under a delivery chute and opposed to the bag storage mechanism, the bag feeding mechanism being provided at its upper end portion with clamping mechanisms for grasping an upper front side portion of a first bag in the stored bags and being tiltably mounted at its lower end portion to be moved toward and away from the bag storage mechanism for feeding the first bag grasped by the clamping mechanisms below the delivery chute, a bag support mechanism having a support rod arranged to support an upper rear side portion of the first bag when it is fed by the bag feeding mechanism and to cooperate with the clamping mechanisms for deploying the upper opening of the first bag, a sealing mechanism arranged to seal the upper opening of the bag when a predetermined amount of articles has been supplied into the deployed bag from the delivery chute, and a tilting mechanism arranged below the ba

Abstract: A flexible apparatus and process are disclosed for loading objects into pouches and then sealing the pouches, in which a pouch (10) having side walls (12,14) and an open mouth (18) is moved from a source (34) to a pouch opening apparatus (72) where the mouth is opened to pass an object such as a stack (20) of slippery sheets which is pushed through the mouth into the pouch while the object is resiliently engaged through the walls of the pouch by a mechanism (70, 82-110) to prevent the object from shifting during movement into or with the pouch, after which the pouch and object are moved, while still resiliently engaged, to a station (74) at which the pouch is evacuated and sealed. Changes are readily accomodated in object size, pouch size or format, or all of these.

Abstract: Bag handling apparatus for sequentially selecting bags from a supply thereof and positioning them for subsequent opening and filling has a vertically-movable slider positioned above a stack of horizontal closed bags. A carriage is pivotally secured to the slider and by links to a fixed point. Upward movement of the slider causes the carriage to be moved angularly from a downwardly directed position adjacent the stack of bags enabling the carriage to pick up a horizontal top bag to a forwardly directed position to cause the carriage to present the bag in a vertically-oriented position for subsequent opening and filling.

Abstract: An apparatus for bagging produce or other articles susceptible to damage upon impact. The apparatus includes a bag receiver and transfer assembly adapted to receive, hold upright, and gently transfer an open topped bag of articles, such as from an automatic bagger, to a bag closer and optional conveyor.

Abstract: A method and apparatus are disclosed for sealing pallets of fresh product inside plastic bags and finishing the interiors of the sealed bags with a modified gaseous atmosphere. Conventional pallets loaded with cooled fresh produce are moved by an input conveyor automatically one at a time to an in-line squeeze station. A plastic bag at a convenient height is initially draped over an arm radiating from a novel bagger frame. A plurality of such arms extend from a rotatable hub so that bags can be moved into position above successive loaded pallets as they are needed. This apparatus permits the bagging of nearly twice as many pallets in a given time period.

Abstract: An apparatus for the mechanical bagging or packaging of produce or other articles susceptible to damage upon impact. The apparatus includes a tiltable support for temporarily holding a quantity of produce and having an end portion for discharging the produce or articles when tilted. A bag positioning assembly is provided to position a bag around the support such that the end portion of the support is nearly adjacent the closed end of the bag. When the support is tilted, the produce or articles will settle towards the closed end of the bag. Because the bag is positioned around the support, the impact and damage to the produce or articles is minimized.

Abstract: An apparatus for successively opening the mouths of bags which are fed one by one to a table and putting such bag over a guide hopper for charging the bag with an article to be packaged. The mouth of the bag is sucked by a pair of vacuum suction members from the opposite sides. The vacuum suction members are gradually separated from each other while transferring a bag from a table to the hopper, thereby gradually opening the mouth of the bag. This prevents failures in opening bags and also prevents the bag from separating from the vacuum suction members.

Abstract: An apparatus and method for filling a bag with a commodity without contaminating a sealable region of the bag near its opening. The apparatus includes a mechanism for forming a cuff in the bag and holding the bag as it is being filled. A frame associated with the cuffing mechanism assists in positioning the commodity adjacent the cuffed bag and for facilitating insertion of the commodity into the bag. Desirably the frame includes a platform on which the commodity may be prepared prior to insertion of it into the bag. Preferably the platform is movable between a first position oriented to facilitate preparation of the commodity and a second position oriented to facilitate insertion of the commodity into the bag. The device and method is particularly useful in packaging commodities which may be emulsion-laden, including meats such as poultry.

Abstract: A tabletop machine for automatically loading and sealing flexible containers such as plastic bags forming part of a chain of bags. The apparatus includes structure for supporting a supply of preformed, interconnected bags which are sequentially fed to a loading station. At the loading station, the bag is inflated by a blower having a shutter controlled outlet so that the flow of inflation air is reduced or terminated during feeding and which provides a blast or surge of air to "pop" the bag open when the bag arrives at a loading station. A residual air stream maintains inflation of the bag. After loading, a clamping mechanism is activated which applies a substantially increasing clamping force as a clamp bar nears a heat sealing unit so that should an obstruction or other obstacle be encountered as the clamping bar moves towards the bag, motion in the clamping bar can be resisted by the obstacle without damage to the obstacle or clamping mechanism.

Abstract: Packaging apparatus and a method therefor, comprise a bag dispenser in which a stack of bags is supported on extensible wicket pegs and the leading bag is advanced from the stack to bag-receiving wicket pegs of bag-receiving retainer means while the extensible parts of the wicket pegs of the stack holder means are extended into engagement with the wicket pegs of the bag-receiving retainer means. In that configuration a suction pad can draw the nearest bag from the rest of the stack to a separated position from which it may be further advanced by mechanical means and/or an air jet to pass that bag from the extensible wicket pegs of the stack holder means on to the wicket pegs of the bag retainer means. The bag dispensing apparatus may comprise part of a packaging apparatus.

Abstract: A bag filling and closing apparatus includes a filling station (10) in which the material to be filled in (22) is pushed into a prefabricated bag (24). A device (50, 52, 54, 56) is provided for pulling the bags onto the filling machine as is a device for spreading open and holding the bags. Next to the filling station (10), there is disposed at least one supply and/or intake station (12, 14) for bags, each station being equipped with a device (50, 52, 54, 56) for pulling the bags onto the apparatus. A carriage (30) is movable back and forth between the filling station (10) and the supply and intake station (12, 14) carries the spreading and holding device (28, 30, 44, 46) for the bags. The bags can therefore be picked up and spread open in the supply and intake station (12, 14) and can be transferred to the filling station (10) in that position. Preferably, two supply and intake stations are provided on opposite sides of the filling station (10 ).

Abstract: A system is provided for automatic consecutive opening and dispensing thermoplastic grocery or retail product bags of the T-shirt type while providing for supporting consecutive bags in an open position and for facilitating easy removel of the consecutive loaded bags. The system includes a pack of bags and a rack of the type having outwardly extending support arms and a retaining means for receiving the bag pack by mounting the bag handles on the support arms of the rack through apertures therein and mounting a detachable bag mounting tab on the rack retaining means. Each of the bags has disengageable adhesive each bag which has a predetermined severance strength greater than the severance strength of the mounting tabs. The rack support arms define a predetermined resistive force in laterally-extending outer portions against sliding of the bags therealong which is greater than the severance strength of the adhesive.

Abstract: An apparatus for filling and closing sacks or bags, in particular paper side folding sacks, has a plurality of processing stations including a filling station, stationary clamping elements for holding the sack in an open position and a slide cyclically movable between processing stations. Outside grippers are mounted on the slide which are designed to grasp an at least partially filled sack at its side folding by clamping the folding from the outside in said filling station and transporting the sack by means of the slide to the succeeding processing station.

Abstract: A rotating carousel and bag handling apparatus comprising a rotating carriage plate driven by a motor and carrying a plurality of trays filled with bags. The trays are each maintained in a stable, level position by a timing collar, belt, and pulley assembly connected to each tray. As successive bag trays are rotated to a pickup position adjacent a bag handling mechanism, a brake assembly momentarily stops the motion of the bag carousel sufficient for a bag handling arm to pivot down over one of the bag trays, and for a plurality of bag grippers to grip and hold the top bag in that tray. The bag handling arm then pivots back upwardly and away from the tray carrying the bag onto a bag support assembly displaced over the conveyor belt and mounted on a pair of rocker arms, with the longitudinal edge of the bag being positioned adjacent to a side retaining wall on the conveyor belt.

Abstract: An arrangement for fitting valve sacks on a filling pipe of a packaging machine comprises a unit for spreading a valve of valve sacks, the spreading unit being turnable about a horizontal axis so as to bring the valve of sacks in alignment with a filling pipe of a packaging machine, a unit forming a horizontal guide path for the spreading unit, and a unit for moving the spreading means along the horizontal guide path.

Abstract: An apparatus for filling and closing sacks has a pair of grippers for gripping the lateral portions of the sacks adjacent to their opening-defining edges, the grippers of each pair are movable toward and away from each other, also a pair of suction cups for pulling the side walls of the sacks apart adjacent to the opening-defining edges between the grippers, a filling pipe, which is adapted to be lowered into and to be lifted out of the opened sacks, and a welding device for forming a transverse seam weld to close the opening-defining edges when they have been pulled taut by a movement of the grippers away from each other.

Abstract: The invention relates to a method and apparatus for vacuum-packaging material in a soft flat packaging bag. Packaging bags filled with a material are supported in a plurality of holders in advance in a place other than a plurality of vacuum chambers adapted to be intermittently rotated along a circular path. Such holders are successively fed to the vacuum chambers. While a vacuum chamber which has been fed with such holder is rotating along the circular path, this vacuum chamber is evacuated, the opening section of the packaging bag is sealed and then the vacuum chamber is opened to the surrounding atmosphere. And the packaging bag which has completed vacuum packaging is withdrawn from the vacuum chamber. Since the vacuum chamber is fed with a relatively large-sized holder rather than a soft flat bag which is difficult to handle, errors in feeding are avoiding.

Abstract: A machine for inserting discs into envelopes including a disc conveyor in which discs are removed one by one from a stack and conveyed past a detecting station to a loading station together with an envelope conveyor in which envelopes from the hopper are conveyed to the loading station in advance of arrival of discs and positioned for receiving the disc through the open end of the envelope. The operation of the envelope conveyor is initiated by passage of a disc by the detecting station so that unless a disc is moving no envelope is picked from the envelope stack. After package formation the packages are conveyed to a transfer conveyor past a detector which determines a predetermined stack of conveyors for each station on the transfer conveyor.

Abstract: A bag packing center accepts either open mouth bags or valve bags, particulate material to be contained in such bags and pallets upon which filled bags are to be stacked in planned layer configurations and automatically produces full pallets of filled bags stacked in such layer configurations. The packing center utilizes a novel unitary frame structure suitable for transport on a flatbed truck or rail car without any substantial disassembly to permit portability and virtually immediate operation at the user's facility without the usual specialized design, engineering and structural interface problems of the prior art. Bag placing, filling, flattening, turning, layer forming and palletizing are all accomplished automatically in a unitary, two-level integrated structure uniquely designed to occupy a minimum amount of floor space.

Abstract: Pressure resistant containers, each consisting of a pressure resistant box opened at the front surface thereof and a wall plate, are circulated along an endless track with the wall plates directed outward. The front and back surfaces of each wall plate are each provided with a clamp for supporting a soft pliable bag. The bag is fed to the clamp disposed outside the pressure resistant container, and the bag is clamped by the clamp. The mouth of the bag is then opened to fill the bag with an article. Subsequently, the wall plate is turned inside out to admit the bag in the pressure resistant container, and the bag is subjected to a vacuum in the pressure resistant container and the mouth of the bag is sealed.