Abstract: An apparatus for disinfecting containers comprises a disinfection chamber 12 surrounding a required section of a container transport path, partition means for dividing the interior of the disinfection chamber 12 into a preheating zone 35, an exposure zone 36 and a drying zone 37 as arranged downstream from an upstream side of the transport path, antiseptic supply means for supplying hydrogen peroxide gas or mist to the exposure zone 36, and means for supplying hot air to the preheating zone 35 and the drying zone 37.

Abstract: A stamping device includes two stamp rollers and a support member having the two stamp rollers mounted thereon and arranged on a circumference having a center at a center of pivotal movement. The stamp rollers are spaced apart by a predetermined angle about the center, a rotary actuator for pivotally moving the support member so that one of the stamp rollers in a stamping position and the other stamp rollers in a standby position are alternately shiftable to the other position, and drive means for rotating the stamp roller in the stamping position.

Abstract: A heater for top portions of containers 11 filled with contents and each having a top forming tubular portion 14 generally rectangular to square in cross section for heating seal parts 31, 35 of the top forming portion 14 with hot air for heat-sealing comprises a hot air nozzle 51 in the form of a bottomed tube having a generally rectangular to square cross section and to be inserted into the top forming portion 14 for heating. The hot air nozzle 51 having first to fourth four side walls 61 to 64 integral with one another with a ridgeline formed between the adjoining side walls. The side walls 61 to 64 is formed with orifices 68 as distributed over regions thereof corresponding to the respective seal parts 31, 35. The side walls 61 to 64 each have an outer surface facing obliquely upward.

Abstract: A cutting device is provided for securing the cutting of the lateral sealed parts of a tubular packaging material web in the filling and packing machine of a filling and packaging apparatus that manufactures package containers each have a rectangular cross section and are filled with a fluid such as juice, etc. The cutting device includes the tubular packaging material web which is filled with a fluid, a pair of seal bars for laterally sealing the packaging material web, a cutter for cutting the packing material web at sealed parts thereof by a length corresponding to one container, fluid (such as air) pressure serving as a means for giving a biasing force to the cutter in a direction to retreat the cutter, and a pressure sensor capable of detecting a change of the fluid pressure in the supply passage.

Abstract: A web sterilizing device comprising a sterilizing solution tank 51, web guide means for guiding a web W so as to bring the web w into the tank 51, dip the web w in a sterilizing solution within the tank 51 and thereafter move the web W out of the tank 51, a pair of endless chains 105 extending in parallel to each other both inside and outside the tank 51, chain guide means for guiding the chains 105 so as to move the chains 105 along respective opposite sides of a path for the web W to move along by being guided through the tank 51 by the web guide means, and a web engaging member 133 extending between and connected to the chains 105.

Abstract: A packaging machine comprising an incomplete container forming device for forming a web into a tube, filling contents into the tube, thereafter transporting the tube by a length corresponding to one container at a time, sealing and cutting the tube transversely of the tube every time the tube is transported to obtain flat tubular incomplete containers, and discharging the containers as arranged in a row; a pair of container conveyors arranged at a lower level than the discharging position of the device, horizontally spaced from the discharging position by a specified distance and having respective transport paths spaced from each other by a predetermined distance; a complete container forming device for making the incomplete containers into complete rectangular parallelepipedal containers during transport on the conveyors; and a transfer device for receiving the row of incomplete containers as discharged from the incomplete container forming device, dividing the row into two rows and delivering the two rows a

Abstract: For use in forming a web W into a tubular shape, and heat-sealing an inner surface of outer edge of the web and an outer surface of inner edge of the web to provide a lap, a web heating device for heating the outer edge inner surface of the web with hot air before heat-sealing comprises transport means for transporting the web W along a predetermined path, a nozzle 27 having hot air outlet openings 67 directed outward as opposed to the outer edge inner surface of the web W to be transported by the transport means, and a baffle plate 32 so disposed as to be opposed to the hot air outlet openings 67 with the outer edge of the web W positioned therebetween.

Abstract: A packaging machine comprises a device for forming incomplete containers by forming a web into a tube, filling contents into the tube, thereafter transporting the tube by a length corresponding to one container at a time, and sealing and cutting the tube transversely thereof every time the tube is transported; a container conveyor for receiving the incomplete containers from the device and transporting the containers; and a complete container forming device for making each incomplete container into a complete rectangular parallelepipedal container during transport on the conveyor. A drive device for use in the machine comprises a main shaft coupled to the incomplete container forming device so as to transmit power thereto, and a transmission shaft having one end connected to the main shaft by a main clutch and the other end coupled to a motor by a secondary clutch, the transmission shaft being coupled to the conveyor so as to transmit power.

Abstract: An ear bonding device for use in packaging machines comprises a container transport conveyor having a plurality of holders for holding a container having upper and lower ears as supported on each pair of adjacent holders, the conveyor being intermittently drivable so as to halt containers held by the holders one after another at a pressure-bonding station; an upper ear pressing member disposed above a path of transport of containers at the pressure-bonding station and movable upward and downward; a pair of lower ear pressing members arranged at opposite sides of the transport path respectively and movable toward and away from each other; and a support member for receiving the pressure of the upper ear pressing member and the lower ear pressing members acting on the holder for pressure bonding.

Abstract: A device for reducing torque variations for use in a drive apparatus which has a drive shaft for causing a lift unit to perform one cycle of up-and-down movement for each of at least two lift units to perform one cycle of up-and-down movement at a specified interval by one turn of rotation of the drive shaft. The device comprises elastic means and transmission means for transmitting an elastic force of the elastic means to the drive shaft as a rotational torque.

Abstract: A web accumulator having an even number of dancer rollers, arranged on either side of a single vertical guide rod for guiding the dancer roller for upward and downward movement. A support structure is provided on the guide rod so as to be movable upward and downward but not to rotate about an axis of the guide rod and supporting the dancer roller in a horizontal position. The support structure includes a lift sleeve fitting around the guide rod so as to be movable upward and downward while being prevented from rotating about the axis of the guide rod. A plurality of rolling members rollable along the vertical guide rod are provided between the guide rod and the lift sleeve and rollably retained on the lift sleeve.

Abstract: A liquid metering-filling apparatus is provided which includes a container transport conveyor intermittently drivable so as to halt containers one by one at a filling station. A filling nozzle is disposed above a path of transport of containers at the filling station. A metering cylinder houses a piston and has an outlet in communication with the filling nozzle. An inlet check valve is provided at an inlet of the metering cylinder. An outlet check valve is provided at any one of the outlet of the metering cylinder and inside of the filling nozzle. The liquid metering-filling apparatus also includes a driver for causing the piston to perform a cycle of stroking movement every time the conveyor is driven by one pitch. A photoelectric sensor is provided at the filling station for detecting any one of the presence and absence of a container of the plurality of containers at the filling station.

Abstract: An apparatus for use with a web having printed thereon bar codes each identifying a container manufacturer, product, etc. and arranged longitudinally of the web at a spacing corresponding to one container, for positioning each of the bar codes in a specified position. The positioning apparatus comprises a feeder drivable by a main shaft for transporting the web via the specified position, a detector for detecting the angle of rotation of the main shaft upon the bar code moving past the specified position, and a calculating unit for calculating the deviation of the angle detected by the detector from a predetermined reference angle and determining as an amount of transport by the feeder a set value corresponding to the calculated deviation based on a predetermined relationship between deviations and set values.

Abstract: A clean air duct device comprises a duct (11) having a positive-pressure air channel (21), and a filter (12) provided between the inlet (24) and the outlet (31) of the duct. The filter (12) comprises a filter medium (41), and a frame (43) surrounding the medium (41) and having an upstream mount flange (45) along an edge portion thereof defining an upstream opening (44) and a downstream mount flnage (47) along an edge portion thereof defining a downstream opening (46). The duct (11) comprises an upstream duct member (22) and a downstream duct member (23). The upstream duct member (22) is provided at an outlet end thereof with an upstream communication opening (26) shaped in conformity with the shape of the frame upstream opening (44), and the downstream duct member (23) is provided at an inlet portion thereof with a downstream communication opening (33) shaped in conformity with the shape of the frame downstream opening (46).

Abstract: A tape joining device has a fixed bearing member 24 and a movable pressing member 46 arranged respectively at opposite sides of the portions of two tapes T to be joined, and a heater 88 for heating the pressing member 46. The pressing member 46 is attached to a movable body 44 for pressing the pressing member 46 against the bearing member 24 with the opposed tape portions positioned therebetween. The pressing member 46 is pivotally movable relative to the movable body 44 about an axis extending in parallel to the longitudinal direction of the tapes T.

Abstract: A sealing device for a packaging material tube has a pair of pressure arms 13 supported by a lift frame 11 each at a lower portion thereof and pivotally movable about respective parallel horizontal axes. A pair of sealing jaws 14 are fixed to the respective pressure arms 13 each at an upper portion of the arm so as to be opposed to each other. A high-frequency heating coil 18 is provided on one of the sealing jaws 14 for induction-heating an aluminum foil layer of the tube T present between the sealing jaws 14 as closed. A transmission-side primary coil 21 is fixedly disposed at one side of the path of vertical movement of the lift frame 11. A receiving-side secondary coil 22 is so disposed as to form a closed electric circuit along with the heating coil 18. The primary coil 21 and the secondary coil 22 are electromagnetically connected when the sealing jaws 14 are closed, and are electromagnetically separated when the jaws 14 are opened.

Abstract: A tape joining device has a fixed bearing member 24 and a movable pressing member 46 arranged respectively at opposite sides of the portions of two tapes T to be joined, and a heater 88 for heating the pressing member 46. The bearing member 24 has a bearing surface 31 opposed to the tape portions. The pressing member 46 has a pressing face 67 and a thermal blade 71 both opposed to the bearing surface 31. The pressing member 46 is attached to a movable body 44. The bearing surface 41 is formed with a tape receiving groove 32 extending widthwise of the tapes and positioned away from a blade bearing portion of the surface longitudinally of the tape. A tape pushing member 48 is so attached to the movable body 44 that one end thereof is movable into or out of the groove 32.

Abstract: A tape joining apparatus comprises a transport device for transporting a preceding tape via a joining station, a fixed holder disposed on one side of a path of transport of the tape at the joining station for releasably holding the leading end of a subsequent tape with an adhesive applied to the leading end so as to oppose the leading end to the preceding tape, a movable body disposed on the other side of the path and positionable at the joining station as a lower limit of stroke thereof, a movable holder supported by the movable body and movable in a direction orthogonal to the path for holding the rear end of the preceding tape at an upper limit of stroke of the body and releasing the preceding tape at the lower limit, and an assembly for pressing the movable holder against the fixed holder at the joining station. The transport device has a movable guide roller attached to the movable body for the preceding tape to be passed therearound.

Abstract: A carton blank erector and feeder comprising a magazine having a delivery opening at one end and accommodating flat blanks as arranged closely side by side from the end toward the other end thereof, the delivery opening being so positioned as to be opposed to a phantom outward extension of a bottom forming mandrel as stopped at a feed station, transport means for withdrawing the blank from the delivery opening and transporting the blank to the outward extension, and means for unfolding the blank from the flat form to a tubular form of square cross section while the blank is being transported by the transport means.