Abstract: An area where a liquid substance, for instance, is present inside a bag, that is, the area where the liquid substance adheres to the inner surface of the bag, is ultrasonically sealed (thus forming an ultrasonically sealed area), and then an area that is separated from the ultrasonically sealed area by a predetermined distance toward the edge of the mouth of the bag is heat-sealed (thus forming a heat-sealed area), so that the a portion of the liquid substance, that is separated and is present above the ultrasonically sealed area, is sealed inside the space between the two sealed areas.

Abstract: A packaging processing (liquid filling) apparatus, including a rising-and-lowering assembly attached to a pivot member and moved vertically and filling nozzles attached to the rising-and-lowering assembly. An endless chain having grippers at equal intervals is rotated continuously by a sprocket. A circular first raising-and-lowering cam that rotates with the sprocket is attached to the sprocket, and a circular-arc-shaped second raising-and-lowering cam is provided near the first raising-and-lowering cam; and a cam roller attached to the rising-and-lowering assembly is caused to roll on these cams. When the pivot member makes a forward motion to follow the bags held by grippers, the cam roller rolls over the second raising-and-lowering cam, and the rising-and-lowering assembly is lowered and then raised; when the pivot member makes a return motion, the cam roller rolls over the first raising-and-lowering cam, and the rising-and-lowering assembly is maintained in a raised position.

Abstract: An opening apparatus that opens continuously conveyed bags with a gas supplied by nozzles. A plurality of nozzles having conical head sections and discharge openings at the tip ends are attached to a rotation transmitting member with equal spaces in between, and this rotation transmitting member is caused to revolve at a constant speed while maintaining a horizontal attitude by means of a parallel link mechanism. The nozzles revolve at a constant speed on a circular track in a vertical plane along the conveying direction of bags with the discharge openings consistently facing the bags. When the nozzles are at the lower point on the circular track, the head sections enter into the bags that are being conveyed at a constant speed, and a gas is caused to jet into the bags from the discharged openings, thus spread-opening the bags.

Abstract: A spout-equipped bag feed apparatus allows an increased number of spout-equipped bags to be stored. A plurality of conveyor rails are attached to a conveying device at a predetermined space and carried along an endless track. Each conveyor rail is capable of being loaded with and unloaded of a plurality of spout-equipped bags from one end thereof and capable of supporting the spout portions of the bags in such a manner that the bags are movable in the axial direction. Loading of bags into the conveyor rail is effected with a bag loading tool capable of being loaded with and unloaded of bags from one end thereof and capable of supporting the spout portions of the bags in such a manner that the bags are movable in the axial direction. The one end of the bag loading tool is butted against the one end of the conveyor rail, and the bags are pushed into the conveyor rail.

Abstract: A filling amount adjustment device for a liquid-form substance filling machine, the device including first sliding units disposed on a swing arm and connecting links pivotally attached at one ends to connecting pins of first sliding members (of the first sliding units) that slide along the length of the arm. Second sliding units are disposed on both sides of the swing arm, and the other ends of the connecting links are pivotally connected to the connecting pins of second sliding members (of the second sliding units). Connecting rods connected to piston rods are pivotally connected to the connecting pins. When fine adjustment shafts in which male screws are cut are rotated, the second sliding members are moved and positioned; as a result, the first sliding members slide via the connecting links, thus changing the positions of the connecting pins in the direction of length of the arm.

Abstract: A rotary and flow meter type liquid filling apparatus including a liquid reservoir tank that stores and supplies liquid to filling nozzles, and air supply paths for different amount of air supply and air discharge paths for different amount of air discharge being connected to the liquid reservoir tank. An air compressor is connected to the air supply paths, and the air discharge paths open into the atmosphere. A liquid pressure sensor disposed near the filling nozzles sense the increase or decrease of the liquid pressure inside a pipe that connects the liquid reservoir tank and liquid filling nozzles, and the electromagnetic valves provided on the air supply and air discharge paths are opened or closed, thus supplying air to and discharging air from the liquid reservoir tank so as to control the air pressure inside the liquid reservoir tank and the liquid pressure near the liquid filling nozzles.

Abstract: A supply device which, in a retainer type continuous-filling packaging system, converts the movement of empty bags supplied intermittently in a plurality of rows into a continuous motion in a single row and supplies these empty bags continuously to retainers that are conveyed at a constant speed. The supply device includes an empty-bag holding member conveying device and an intermittent bag supply device. In the empty-bag holding member conveying device, a plurality of empty-bag holding members (that contain therein empty bags) disposed at equal intervals are moved in one direction along a ring-form track that has a pair of parallel sections, and during this movement, the empty-bag holding members are moved intermittently by a specified distance (a distance equal to an integral multiple of an attachment spacing of the empty-bag holding members) on a bag entry side of the parallel sections and are moved continuously at a constant speed on a bag exit side of the parallel section.

Abstract: An apparatus for extracting product-filled bags from retainers that are conveyed along a rectilinear path. The extracting apparatus includes a base member disposed along a base guide path parallel to the rectilinear path of the retainers so that the base member is free to make a reciprocating motion, a frame member supported on a supporting shaft on the base member so as to swing upward and downward, a sliding shaft member supported on the frame member so as to advance and retract, and a holding means disposed on the front end portion of the sliding shaft member. A cylindrical cam roller is attached to a cam roller attachment link which is pin-connected to the lower portion of the frame member, and the cam roller rolls through the cam groove of a raising-and-lowering cam, thus allowing the frame member to swing upward and downward about the supporting shaft.

Abstract: A spout sealing method and apparatus using a spout insertion and temporary-sealing apparatus, a primary sealing apparatus, a secondary sealing apparatus and a cold-sealing apparatus that are installed in a row; and transfer apparatuses being installed between these sealing apparatuses. Each apparatus has a continuously rotating rotor. A plurality of spout holding members which hold and convey spouts are disposed at equal intervals on the circumferences of the rotors, and spouts are continuously transferred between the spout holding members of adjacent rotors. In the spout insertion and temporary-sealing apparatus, bags and spouts are supplied from different sources; and the bags are fitted over the spouts held by the spout holding members, and the bags and spouts are temporarily sealed by a temporary-sealing apparatus. Then, main sealing is performed by the primary sealing apparatus and secondary sealing apparatus, and the main sealing area is cooled by the cold-sealing apparatus.

Abstract: A packaging processing (liquid filling) apparatus, including a rising-and-lowering assembly attached to a pivot member and moved vertically and filling nozzles attached to the rising-and-lowering assembly. An endless chain having grippers at equal intervals is rotated continuously by a sprocket. A circular first raising-and-lowering cam that rotates with the sprocket is attached to the sprocket, and a circular-arc-shaped second raising-and-lowering cam is provided near the first raising-and-lowering cam; and a cam roller attached to the rising-and-lowering assembly is caused to roll on these cams. When the pivot member makes a forward motion to follow the bags held by grippers, the cam roller rolls over the second raising-and-lowering cam, and the rising-and-lowering assembly is lowered and then raised; when the pivot member makes a return motion, the cam roller rolls over the first raising-and-lowering cam, and the rising-and-lowering assembly is maintained in a raised position.

Abstract: An empty bag supplying apparatus used in a continuous conveying type bag-filling packaging machine in which the empty bag supplying apparatus receives empty bags and transfers these empty bags to gripper pairs of the bag-filling packaging machine that are moved continuously at a constant speed. The empty bag supplying apparatus includes downward-facing bag holding members and a reciprocating movement mechanism. The bag holding members hold the upper portions of bags. The reciprocating movement mechanism causes the bag holding members to reciprocate along an arc-shaped path and keeps the empty bags held by the holding members to be parallel to the direction of movement of the gripper pairs during the reciprocating motion. In a bag transfer region established in the arc-shaped path path, the speed of the bag holding members holding the empty bags is equal to the moving speed of the gripper pairs.

Abstract: A bag conveying apparatus including a sprocket continuously rotated on a horizontal plane, a fixed guide member having a guide section of a semicircular shape, and an endless chain mounted between the sprocket and the guide section of the guide member. The endless chain is comprised of a plurality of links connected by connecting shafts. Guide rollers rotatable about their own vertical axes are disposed on and under each connecting shaft, and an inside guide roller rotatable about its own horizontal axis is disposed on the inner side of each link. The guide section of the guide member has roller guide sections that contact the guide rollers of the endless chain, and the guide section also has a guide groove in which the inside guide rollers of the endless chain are fitted. Grippers that grip both edges of a bag are installed on each link.

Abstract: An opening apparatus that opens continuously conveyed bags with a gas supplied by nozzles. A plurality of nozzles having conical head sections and discharge openings at the tip ends are attached to a rotation transmitting member with equal spaces in between, and this rotation transmitting member is caused to revolve at a constant speed while maintaining a horizontal attitude by means of a parallel link mechanism. The nozzles revolve at a constant speed on a circular track in a vertical plane along the conveying direction of bags with the discharge openings consistently facing the bags. When the nozzles are at the lower point on the circular track, the head sections enter into the bags that are being conveyed at a constant speed, and a gas is caused to jet into the bags from the discharged openings, thus spread-opening the bags.

Abstract: A bag opening apparatus and method for use in a bag filling and packaging machine using flat bags allow a bag to move to a subsequent step while being surely maintained in the state of having been opened. At a mouth opening step, the mouth portion of a bag is opened by using suction cups serving as a mouth opening device. Next, an abutting member of a bag bottom deforming device is moved upward to abut on the bottom of the bag, thereby deforming at least a part of the bottom inward of the bag, while restraining movement of a lower portion of the bag with retaining plates of a bag movement restraining device.

Abstract: A guide device for loading a solid matter into a bag including: an upper hopper which performs a reciprocating swinging motion along the conveying direction of the bag and about a supporting shaft located in the center of the upper portion of the upper hoppers, and a lower hopper which is positioned beneath the upper hopper and performs a reciprocating horizontal motion along the conveying direction of the bags and also moved toward and away from the upper hopper. The upper hopper's swing motion and the lower hopper's horizontal motion along the conveying direction of the bag are made in synchronization with the movement of the bag, and the lower hopper is lowered so that its lower opening is inserted into the mouth of the bag.

Abstract: In a device that opens the mouth of each one of the bags that are suspended with the mouths facing upward and conveyed in a vertical state at a uniform speed and uniform spacing in a straight line, a pair of suction disks revolve continuously in mutually opposite directions on circular tracks on the horizontal plane so that the suction-chucking surfaces of the suction disks are always caused to face each other. The suction disks revolve at a constant speed while maintaining substantially symmetrical positions relative to each other and revolve at the same speed as the speed the bags are conveyed.

Abstract: A filling amount adjustment device for a liquid-form substance filling machine, the device including first sliding units disposed on a swing arm and connecting links pivotally attached at one ends to connecting pins of first sliding members (of the first sliding units) that slide along the length of the arm. Second sliding units are disposed on both sides of the swing arm, and the other ends of the connecting links are pivotally connected to the connecting pins of second sliding members (of the second sliding units). Connecting rods connected to piston rods are pivotally connected to the connecting pins. When fine adjustment shafts in which male screws are cut are rotated, the second sliding members are moved and positioned; as a result, the first sliding members slide via the connecting links, thus changing the positions of the connecting pins in the direction of length of the arm.

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: A spout-equipped bag feed apparatus allows an increased number of spout-equipped bags to be stored. A plurality of conveyor rails are attached to a conveying device at a predetermined space and carried along an endless track. Each conveyor rail is capable of being loaded with and unloaded of a plurality of spout-equipped bags from one end thereof and capable of supporting the spout portions of the bags in such a manner that the bags are movable in the axial direction. Loading of bags into the conveyor rail is effected with a bag loading tool capable of being loaded with and unloaded of bags from one end thereof and capable of supporting the spout portions of the bags in such a manner that the bags are movable in the axial direction. The one end of the bag loading tool is butted against the one end of the conveyor rail, and the bags are pushed into the conveyor rail.

Abstract: A conveying device in which articles supplied intermittently in a plurality of rows are discharged continuously in a single row, comprising a rotational conveying mechanism and a reciprocating driving mechanism. The rotational conveying mechanism rotationally conveys numerous empty-bag holding members disposed at equal intervals in one direction along a ring-form track (or race-track path) which has a pair of parallel sections, and the reciprocating driving mechanism causes the rotational conveying mechanism as a whole to perform a reciprocating movement through a specified distance along the parallel sections of the ring-form track. On a supply side of the parallel sections, the empty-bag holding members are moved intermittently by a distance that is equal to an integral multiple of an attachment spacing of the empty-bag holding members; while on a discharge side of the parallel sections, the empty-bag holding members are moved continuously at a constant speed.