Abstract: A device for gasifying a sterilizing liquid comprises a hot air duct 12 having an inlet 36 at one end thereof and an outlet 33 at the other end thereof, a hot air generator 37 for supplying to the inlet 36 hot air having a temperature capable of gasifying the sterilizing liquid, a spray nozzle 13 for spraying the sterilizing liquid into the hot air duct 12, and a plate heater 23 disposed as opposed to the outlet 33.

Abstract: A process for producing a sealed container from a tubular blank of square cross section by folding and sealing a container bottom forming portion of the blank to form a flat bottom includes the step of sealing the bottom by collapsing an opening edge part of the container bottom forming portion to a flat form and sealing opposed walls of the collapsed opening edge part as lapped over each other to form a straight bottom seal rib.

Abstract: A liquid metering and filling lifter for use with different kinds of containers (C) having different heights for moving the container (C) upward and downward with a stroke corresponding to the height of the container (C) in filling a liquid into the container, the lifter comprising a container pushing-up vertical lift rod (32) disposed below a filling nozzle (13) above a bed (11) and extending through the bed (11), the lift rod (32) having a container support (31) fixed to an upper end thereof, a container pushing-down vertical lift rod (34) extending through the bed (11) at one side of the lift rod (32) and having a container holder (33) fixed to an upper end thereof, and coupling means (35) disposed below the bed (11) for coupling the two lift rods (32), (34) to make the lift rods movable upward or downward together and uncoupling the lift rods (32), (34) to make the lift rods movable upward or downward individually.

Abstract: A process for producing a sealed container from a tubular blank of square cross section by folding and sealing a container bottom forming portion of the blank to form a flat bottom includes the step of sealing the bottom by collapsing an opening edge part of the container bottom forming portion to a flat form and sealing opposed walls of the collapsed opening edge part as lapped over each other to form a straight bottom seal rib.

Abstract: A container plug attaching device for attaching to an edge portion of a container defining an outlet O thereof a tubular plug P having an opening at one end and a flange F around an edge portion defining the opening comprises an anvil 33 and a sealing member 36 for clamping therebetween the container edge portion and the flange F as pressed against the container edge portion for sealing, a rotary shaft 31 having the anvil 33 mounted thereon and projecting radially thereof, a projection 61 provided on an outer end portion of a clamping face 32 of the anvil 33, drive means for intermittently rotating the rotary shaft 31 so as to stop the anvil 33 only in a sealing posture with the projection 61 opposed to the sealing member 36, and supply means for supplying the plug P to the anvil 33 in rotation for the projection 61 to hold the plug P as fitted thereover.

Abstract: A filling nozzle cleaning device comprises an adaptor 74 having an upward socket 131 connectable to a downward discharge outlet 51 of a filling nozzle 41 disposed above a bed 11, a collecting pipe 73 having a vertical pipe portion 121 communicating with the socket 131 and extending through the bed 11 rotatably and upwardly and downwardly movably, and a drive mechanism for moving the adaptor 74 so as to advance the socket 131 to or retract the socket 131 from below the discharge outlet 51 and connect the socket 131 to the discharge outlet 51 when the socket is advanced. The drive mechanism has a rotary actuator 161 and a fluid pressure cylinder 165 which are connected to the vertical pipe portion 121 below the bed 11 for rotating and upwardly and downwardly moving the pipe portion 121.

Abstract: A filling nozzle cleaning device comprises an adaptor 74 having an upward socket 131 connectable to a downward discharge outlet 51 of a filling nozzle 41 disposed above a bed 11, a collecting pipe 73 having a vertical pipe portion 121 communicating with the socket 131 and extending through the bed 11 rotatably and upwardly and downwardly movably, and a drive mechanism for moving the adaptor 74 so as to advance the socket 131 to or retract the socket 131 from below the discharge outlet 51 and connect the socket 131 to the discharge outlet 51 when the socket is advanced. The drive mechanism has a rotary actuator 161 and a fluid pressure cylinder 165 which are connected to the vertical pipe portion 121 below the bed 11 for rotating and upwardly and downwardly moving the pipe portion 121.

Abstract: The invention provides a liquid metering and filling lifter for use with different kinds of containers C having different heights for moving the container C upward and downward with a stroke corresponding to the height of the container C in filling a liquid into the container, the lifter comprising a container pushing-up vertical lift rod 32 disposed below a filling nozzle 13 above a bed 11 and extending through the bed 11, the lift rod 32 having a container support 31 fixed to an upper end thereof, a container pushing-down vertical lift rod 34 extending through the bed 11 at one side of the lift rod 32 and having a container holder 33 fixed to an upper end thereof, and coupling means 35 disposed below the bed 11 for coupling the two lift rods 32, 34 to make the lift rods movable upward or downward together and uncoupling the lift rods 32, 34 to make the lift rods movable upward or downward individually.

Abstract: A container having a spout of thermoplastic synthetic resin fixed to an outlet edge portion defining a liquid outlet formed in a top portion of the container. The outlet edge portion of the container is covered with a thermoplastic synthetic resin layer at least over inner and outer surfaces thereof. The spout comprises a tubular body, and inner and outer two outward flanges formed at one end of the tubular body integrally therewith and holding the outlet edge portion of the container therebetween from inside and outside. The inner and outer flanges of the spout are fixed respectively to the inner and outer surfaces of the outlet edge portion of the container.

Abstract: A packaging machine includes a bottom breaker which has first to third prefolding members (41) to (43). The third prefolding member (43), serving to prefold a fold forming portion (27) by bending this portion (27) outward along a base part thereof, is pivotally movable from a nonoperative position P0 to a second operative position P2 via a first operative position P1. The fold forming portion (27) is moved with a first bottom panel (21) by the operation of the second prefolding member (42) so as to be brought into contact with the third prefolding member (43) and thereby bent outward while the third prefolding member (43) is pivotally moved from the nonoperative position P0 toward the first operative position P1. The third prefolding member (43) is pivotally moved from the first operative position P1 toward the second operative position P2 after the operation of the second prefolding member (42) to thereby bend the fold forming portion (27) through an increased angle.

Abstract: A packaging machine has a folding rail 36 for guiding a prefolded bottom forming portion 14 of a container 11 fitted around a mandrel 31 from a first process station to a second process station during the movement of the mandrel 31 from the first to the second station while folding the bottom forming portion flat by contact therewith. The folding rail 36 comprises right and left two rail members 71, 72, with a clearance C formed therebetween for permitting an outer end of the prefolded bottom forming portion 14 of the container 11 fitted around the mandrel 31 to be inserted thereinto during the movement from the first to the second station. An unfolding preventing guide member 73 is disposed in the rail clearance C so as to come into contact with a required part of the bottom forming portion 14 during movement through the clearance.

Abstract: A liquid filling apparatus comprises an apparatus body having a liquid channel connected at one end thereof to a liquid tank and at the other end thereof to a filling nozzle, a metering cylinder provided in the liquid channel between opposite ends thereof in communication with the ends for causing the liquid to be filled to flow into and out of the liquid channel by strokes of a piston housed in the cylinder, a check valve disposed upstream from the metering cylinder of the liquid channel, and valve opening-closing means for mechanically operating the check valve so as to open the valve during the inflow stroke of the piston and to close the valve during the outflow stroke of the piston.

Abstract: A device for gasifying a sterilizing liquid comprises a hot air duct 12 having an inlet 36 at one end thereof and an outlet 33 at the other end thereof, a hot air generator 37 for supplying to the inlet 36 hot air having a temperature capable of gasifying the sterilizing liquid, a spray nozzle 13 for spraying the sterilizing liquid into the hot air duct 12, and a plate heater 23 disposed as opposed to the outlet 33.

Abstract: A packaging machine comprises a rotor 22 having radial mandrels 21 each adapted to carry a tubular blank 11 of square to rectangular cross section as fitted therearound and arranged to successively stop at a plurality of processing stations I to VIII, a group of devices 23 to 28 arranged respectively at the required stations among the processing stations I to VIII for folding and closing a container bottom forming end portion 14 of the blank 11 as fitted around the mandrel 21, and an air suction nozzle 31 for collecting extraneous matter is disposed at a required location along a path of movement of the mandrel.

Abstract: A liquid filling device comprises a filling nozzle 31 for filling contents into containers C being transported by a conveyor 13, and a lifter 34 for lifting the container C to be filled from the path of transport of the conveyor. The filling nozzle 31 has a lower portion providing a vertical cylinder portion 42 fittable with the container C to be lifted by the lifter 34. The filling nozzle 31 is provided with an air cover 51 comprising a top wall and a peripheral wall extending downward from an edge portion of the top wall. The filling nozzle 31 extends through the top wall, with its vertical cylinder portion 42 projecting into the air cover 51. The air cover 51 has connected thereto an outlet end of a dry air pipe 52.

Abstract: A device for cleaning a filling nozzle comprises an adapter 32 having an upward socket 51 connectable to a downward discharge outlet 22 of the filling nozzle 21 and connected to a collecting pipe 31 to hold the socket 51 in communication with the collecting pipe 31, a cleaner 33 having a downward cleaning spout 81 connectable to the socket 51 and so disposed as to position the cleaning spout 81 at one side of the discharge outlet 22, and means for moving the adapter 32 so as to connect the socket 51 to the discharge outlet 22 and the cleaning spout 81 alternately.

Abstract: An apparatus for producing containers made of paper-base laminate, the apparatus comprising: an intermittently drivable rotor 42 having radial mandrels 43 each adapted to support a tubular container blank of square to rectangular cross section as fitted therearound, the mandrels 43 being so arranged as to successively stop at each of processing stations I to VI including a pressure bonding station V, and a bottom bonding unit 48 disposed at the pressure bonding station V, each of the mandrels 43 having in a forward end face 54 thereof a groove 55 for forming the recess 36, the bottom bonding unit 48 comprising a bonding member 52 having a pressing face 56, the pressing face 56 being opposed to the forward end face 54 of the mandrel 43 as stopped at the pressure bonding station V, the pressing face 56 being provided with a ridge 57 corresponding to the groove 55.

Abstract: A device for preventing condensation of water vapor on a filling nozzle in the form of a vertical tube, included in a filling apparatus and positioned above a path of transport of containers comprises a downwardly open dry air chamber having the filling nozzle accommodated therein and permitting the container to be moved into and out of the chamber when the container is lifted by a lifter, an injection nozzle disposed as oriented downward above the path upstream from the dry air chamber for injecting dry air into the container to replace air therein, and a cover extending from a position downstream from the injection nozzle at least to the dry air chamber and covering the path from thereabove for preventing the dry air in the container from flowing out.

Abstract: A paper-base laminate container having a bottom closure formed with a recess. The recess has an inverted V-shaped cross section and extends across the bottom closure through the center thereof for positioning the container upright with good stability.

Abstract: A blank feeder is used for feeding blanks to a bottom forming mandrel. The blanks are initially in a flat form and are unfoldable to a form of square cross section. The feeder includes a magazine for the flat blanks, and a transport arrangement having a path of transport extending from the delivery opening along a circular arc having a central axis parallel to the widthwise direction of the blank in the delivery opening. The transport arrangement includes a suction member, a transport arm carrying the suction member on a forward end, and a shaft rotatably supporting the transport arm and having an axis aligned with a central axis of the circular arc. The suction member has suction cups at different distances from the central axis for gripping one side of the blank, so that the blank is unfolded by movement of the suction member along the circular arc causing a greater separation of a gripped side of the blank at the furthest end of the blank from the central axis than at the nearest end of the blank.