Abstract: A vertical bag-making/filling/packaging machine includes: a top folding portion which forms a first fold by folding one of sides of a band-shaped film into a Z shape; a bottom folding portion which folds a center of the film so that side edges of the film face each other; a first pleat guide which pulls a first pleat of the first fold upright; a spout portion-forming portion which forms a spout portion between the side edges of the film; and a second pleat seal portion which forms a second pleat by heat-welding the side edges of the film together so as to make the film into a tube shape.

Abstract: Provided is a bonding method capable of bonding with an inexpensive structure while avoiding an increase in the overall size of the device. The bonding method comprises: an arrangement step for locating a cylindrical body between two sheet-shaped members; a cylindrical body bonding step for applying an ultrasonic wave from the outer surface of a first sheet-shaped member through a horn part and applying heat from the outer surface of a second sheet-shaped member through an anvil part, in a state in which the cylindrical body is arranged between the two sheet-shaped members; and a shoulder part bonding step for directly bonding, through a pair of heating parts, the two sheet-shaped members to each other while the two sheet-shaped members are interposed between the pair of heating parts.

Abstract: A vertical bag-making/filling/packaging machine (1) includes: a top folding portion (20) which forms a first fold (F1) by folding a side of a band-shaped film (F) into a Z-shape; a bottom folding portion (30) which forms a second fold (F5) by folding a center of the film (F) into an M-shape; a top seal portion (40) which forms a top gusset (G3) and a spout portion (G7) protruding from the top gusset (G3) by heat-welding the first fold (F1) and side edges (E1 and E2) of the film (F) so as to make the film (F) into a tube shape; and a bottom-seal portion (50) which forms a bottom gusset (G4) by heat-welding the second fold (F5).

Abstract: A vertical bag-making/filling/packaging machine (1) includes: a top folding portion (20) which forms a first fold (F1) by folding one of sides of a band-shaped film (F) into a Z shape; a bottom folding portion (30) which folds a center of the film (F) so that side edges (E1, E2) of the film face each other; a first pleat guide (34, 35) which pulls a first pleat (G31) of the first fold (F1) upright; a spout portion-forming portion (40) which forms a spout portion (G8) between the side edges of the film (F); and a second pleat seal portion (51) which forms a second pleat (G32) by heat-welding the side edges (E1, E2) of the film (F) together so as to make the film (F) into a tube shape.

Abstract: A packaging bag with contents obtained by filling a film packaging bag with a fluid and sealing the film packaging bag comprises: an accommodating portion in which the fluid is sealed; a pair of side seals) which seal both ends in a lateral direction of the film packaging bag; and a top seal which seals an upper end side in a vertical direction of the film packaging bag. The top seal has a pair of strong seal portions which connect to each of the side seals and form a narrow accommodating portion communicating with the accommodating portion, and a weak seal portion which is disposed in close contact with an upper edge of each of the strong seal portions and seals the upper end side of the narrow accommodating portion. An opening where the narrow accommodating portion is exposed is formed by peeling off the weak seal portion.

Abstract: A vertical bag-making/filling/packaging machine (1) comprises: a film supply portion (5); a film engaging portion (31) which is engaged with a film (F); a vertical seal portion (60) which makes the film (F) into a tubular shape; a film conveying portion (50); a film clamp (34) which holds the film (F) at the film engaging portion (31); a film tension releasing portion (20) which loosens the film (F); a filling portion (70) which inputs the content (X); a weighing portion (40) which weighs the content (X); a lateral sealing portion (80) which makes the film (F) into a bag body (G); and a cutter which cuts off the bag body (G).

Abstract: A vertical bag-making/filling/packaging machine (1) comprises; a top folding portion (20) which forms a first fold (F1) by folding a side of a band-shaped film (F) into a Z-shape; a bottom folding portion (30) which forms a second fold (F5) by folding a center of the film (F) into an M-shape; a top seal portion (40) which forms a top gusset (G3) and a spout portion (G7) protruding from the top gusset (G3) by heat-welding the first fold (F1) and side edges (E1 and E2) of the film (F) so as to make the film (F) into a tube shape; and a bottom-seal portion (50) which forms a bottom gusset (G4) by heat-welding the second fold (F5).

Abstract: A vertical bag-making/filling/packaging machine (1) comprises: a film supplying portion (5) which lets out a film (F) from a roll (Fr); a bag-making guide (31) which folds the film (F) into a tubular shape and changes a conveying direction downward; a vertical sealing portion (60) which thermally seals side edges of the film (F) to each other in an up-down direction so as to make the film into a tubular shape; a film conveying portion (50) which conveys the film (F) downward; a filling portion (70) which loads a content (X) into an interior of the film (F); a lateral sealing portion (80) which thermally seals the film (F) in a left-right direction so as to make a bag body; a square-bottom sealing portion (90) which expands a bottom of the bag body to a rectangular shape from an inside and then thermally seals the bottom to form a rectangular bottom surface; and a cutter (89) which cuts off the bag body from the film (F).

Abstract: A vertical bag-making/filling/packaging machine (1) comprises: a film supplying portion (5) which lets out a film (F) from a roll (Fr); a bag-making guide (31) which folds the film (F) into a tubular shape and changes a conveying direction downward; a vertical sealing portion (60) which thermally seals side edges of the film (F) to each other in an up-down direction so as to make the film into a tubular shape; a film conveying portion (50) which conveys the film (F) downward; a filling portion (70) which loads a content (X) into an interior of the film (F); a lateral sealing portion (80) which thermally seals the film (F) in a left-right direction so as to make a bag body; a square-bottom sealing portion (90) which expands a bottom of the bag body to a rectangular shape from an inside and then thermally seals the bottom to form a rectangular bottom surface; and a cutter (89) which cuts off the bag body from the film (F).

Abstract: The present invention aims at sterilizing a film without using liquid hydrogen peroxide. Aseptic filling and packaging apparatus 11 has supplying device 24 for gaseous hydrogen peroxide; sterilization chamber 15 through which film sheet F passes, and to which gaseous hydrogen peroxide is supplied from supplying device 24; ventilation chamber 16 through which film sheet F passes, ventilation chamber 16 being located downstream of sterilization chamber 15; ventilators F1 and F3 that ventilate ventilation chamber 16; and filling and packaging chamber 17 that is located downstream of ventilation chamber 16, wherein filling and packaging chamber 17 has film forming device 17d that forms film sheet F into a plastic film packaging bag in a shape of a bag, and filling device 35 that fills the plastic film packaging bag with a material.

Abstract: A vertical bag-making/filling machine (1) comprises: a film-feeding unit (8) which intermittently feeds a film (F) formed into a tubular shape downward; a nozzle (10) supplying contents (X) into the film; a sealing-off unit (17) arranged below a lower end of the nozzle and forming a bag body (Fg) by heat-sealing the film in a transverse direction; a lower shaping unit (30) regulating swelling of the film on the lower side of the sealing-off unit; an upper shaping unit (40) regulating the swelling of the film on the upper side of the sealing-off unit; and a separating unit (25) for separating the bag body (G) fully filled with the contents by cutting the transverse seal (Y1, Y2) formed by the sealing-off unit.

Abstract: A vertical bag-making/filling/packaging machine (1) comprises: a film supply portion (5); a film engaging portion (31) which is engaged with a film (F); a vertical seal portion (60) which makes the film (F) into a tubular shape; a film conveying portion (50); a film clamp (34) which holds the film (F) at the film engaging portion (31); a film tension releasing portion (20) which loosens the film (F); a filling portion (70) which inputs the content (X); a weighing portion (40) which weighs the content (X); a lateral sealing portion (80) which makes the film (F) into a bag body (G); and a cutter which cuts off the bag body (G).

Abstract: A vertical bag-making/filling machine (1) comprises: a film-feeding unit (8) which intermittently feeds a film (F) formed into a tubular shape downward; a nozzle (10) supplying contents (X) into the film; a sealing-off unit (17) arranged below a lower end of the nozzle and forming a bag body (Fg) by heat-sealing the film in a transverse direction; a lower shaping unit (30) regulating swelling of the film on the lower side of the sealing-off unit; an upper shaping unit (40) regulating the swelling of the film on the upper side of the sealing-off unit; and a separating unit (25) for separating the bag body (G) fully filled with the contents by cutting the transverse seal (Y1, Y2) formed by the sealing-off unit.

Abstract: The present invention aims at sterilizing a film without using liquid hydrogen peroxide. Aseptic filling and packaging apparatus 11 has supplying device 24 for gaseous hydrogen peroxide; sterilization chamber 15 through which film sheet F passes, and to which gaseous hydrogen peroxide is supplied from supplying device 24; ventilation chamber 16 through which film sheet F passes, ventilation chamber 16 being located downstream of sterilization chamber 15; ventilators F1 and F3 that ventilate ventilation chamber 16; and filling and packaging chamber 17 that is located downstream of ventilation chamber 16, wherein filling and packaging chamber 17 has film forming device 17d that forms film sheet F into a plastic film packaging bag in a shape of a bag, and filling device 35 that fills the plastic film packaging bag with a material.

Abstract: The break-off spout of the present invention includes: a spout main body (110) having a break-off section (150) formed via a weakened section (121) such that an annular section (152) having a through-hole formed therein protrudes to the tip side; and a pair of left and right cover members (160) integrally formed with the spout main body (110) via hinge sections provided below the weakened section (121). The pair of left and right cover members (160) are formed in a shape such that, when the cover members are engaged with each other, the cover members cover a portion of the spout main body (110) above the hinge sections including the break-off section (150). An insertion port (164) through which deformation means that deforms the annular section (152) and blocks the through-hole can be inserted is provided in the cover members (160).

Abstract: Breakable spout (100) of the present invention individually comprises spout body (110) and cover (160) that covers an outer circumference of spout body (110). Spout body (110) comprises cylindrical part (120) that has a center hole that serves as a flow channel (111) and breakable part (150) that is breakable at the tip end of cylindrical part (120). Cylindrical part (120) has a first protrusion (123) on an outer circumferential surface thereof. The cover has second protrusion (161) on an inner circumferential surface thereof. Second protrusion (161) engages first protrusion (123) when cover (160) is fitted to spout body (110) such that spout body (110) is covered with cover (120) from the tip end side of cylindrical part (120). Cover (160) covers spout body (110) and is secured when the first protrusion (123) engages the second protrusion (161).

Abstract: A capped spout of the present invention has a spout (1) and a cap (30) that engages with the spout. Spout (1) has a cylindrical body (3) and a welding part (4). Cylindrical body (2) has an interior that serves as a discharge passage (2) for discharging liquid content in a bag-shaped package, wherein the cap (30) is attached to the cylindrical body (2) in order to close an opening of an outlet end of the discharge passage. The welding part (4) is formed outside the cylindrical body (3) and is welded to an opening of the package. The capped spout of the present invention further has a thin film part (11) that is formed inside the cylindrical body (2) in order to close an opening of an inlet end of the discharge passage. Thin film part (11) has a first surface that faces an interior of the cylindrical body, the interior being closed by the cap (30) and the thin film part (11). A circular groove (12) that is concentric with the thin film part is formed on the first surface.