JPS61130033A - Production unit for vessel blank - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention is directed to an apparatus for manufacturing a container material used in a packaging machine that can be formed into a rectangular tube shape and is folded in an uneven manner.

A packaging machine spreads a container material into a rectangular tube shape, closes one end of the container to form a container bottom, fills it with contents such as fluid food, and then closes the other end of the container material. Form the top of the container.

Problems to be Solved by the Invention Conventionally, the production of container materials was carried out by a specialized company, such as a paper manufacturing company, in a location separate from the location where the packaging machine was installed; The container materials were then transported and supplied to packaging machines. For this reason, there were the following problems. First, there is a cost involved in transporting the container material. Second, since the manufacture of container materials by specialized companies is usually carried out by a mass production method, the manufacturing equipment is large-sized and difficult to accommodate a wide variety of small quantity production methods.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems and to provide a container material manufacturing apparatus that is small and can be easily installed at a location where a packaging machine is installed.

Means for Solving the Problems The container material manufacturing apparatus according to the present invention includes a web unwinding device that intermittently rewinds a web wound into a roll in lengths corresponding to one container material; ■A web cutting device that cuts the web rewound by the web unwinding device into sheet material, a sheet material holder that holds the sheet material cut by the web cutting device in a desired posture, and a sheet material holder. a sheet material folding device that takes a sheet material from a receiver and folds the sheet material so that both ends thereof are overlapped with each other; a folding sheet material take-out device that takes out the folded sheet material from the sheet material folding device; A folding sheet material sealing device takes up the folded sheet material taken out by the sheet material take-out device and seals the overlapped ends to form a container material; and a container material is discharged from the folding sheet material sealing device. It is equipped with a container material discharge device.

Example Embodiments of the invention will be described with reference to the drawings.

FIG. 1 shows a part of a packaging machine and an entire container material manufacturing apparatus for supplying container materials to the packaging machine.

As shown in Fig. 3, the packaging machine is equipped with a magazine for supplying container materials (1), into which a large number of container materials (B) that can be formed into a rectangular tube shape and folded into a flat shape are loaded. are stored in stacks. Magazine (1)
is equipped with a plurality of Fl--4= guide rods (2). Each guide rod (2) is slightly inclined from vertical and is arranged so as to be at the periphery of the stacked container blanks (B). A container material supply device (not shown) takes out the container material (8) from the magazine (1) while being expanded into a rectangular tube shape, and sequentially supplies it to a group of devices that perform a series of packaging operations. Two magazines (1) are shown in the drawing, and this is to accommodate packaging operations that are performed simultaneously in two rows.

The container material manufacturing equipment is a web (
A web unwinding device (5) that intermittently rewinds W> to a length corresponding to one container material (B), and a web unwinding device (5) that cuts the web (W> Web cutting device (6) for cutting into sheet material (S)
and a sheet material holder (A) that holds the sheet material (S) cut by the web cutting device (6) in a desired posture; A sheet material folding device (8) that folds the sheet material (S) so that the parts are overlapped with each other; and a folded sheet material take-out device (200) that takes out the folded sheet material (S) from the sheet material folding device (8). 9)
The folded sheet material sealing device (B) takes the folded sheet material (S) taken out by the folded sheet material take-out device (9), and seals the overlapped ends of the folded sheet material (S) to form a container material (B). 10) and a container material discharge device (11) that discharges the container material (B) from the folded sheet material sealing device (10), and each of these devices is installed on a common bed (12). .

Although not shown in detail, the web (W>) is stamped with a required crease line in order to facilitate bending and forming.

Attach the bracket (16) to a specified height near the left end of the bed (12).
) is supported in a cantilevered manner by a rotary shaft (17) for supporting the rolled web, and a movable base (18) for centering the rolled web is disposed below the rotary shaft (17). A web (W> wound in a roll shape is supported by the rotating shaft (17) by fitting its center hole.A movable base (
18) The upper surface is formed into an upwardly curved shape, and a plurality of rollers (19) arranged in such a manner are attached to the outer peripheral surface of a new rolled web (W>) that has not been rewound. The movable platform (18) and the bed (12) are connected by a parallel link (20).Furthermore, at the right end of the movable platform (18), there is a hydraulic cylinder attached to the bed (12) facing left. (21) Rondo (22
) are connected. When this rondo (22) is in the retracted state, the parallel link (20) is vertical and the movable base (1
A gap exists between 8) and the bed (12), and the position of the center hole of the rolled web (W>) placed on the movable table (18) coincides with the position of the rotating shaft (17). .If the rondo (22) is made to protrude from this state, the parallel link (
20) is tilted and the movable platform (18) moves to the left and descends until there is no gap between it and the bed (12).

In this state, the rolled web (
Bring in the web (W>), align it as described above, and slide the web (W> in the axial direction on the roller <19) until its center hole fits into the rotating shaft (17). move it. Then, when the movable base (18) is lowered again, the web (W) is supported by the rotating shaft (17), and a gap is created between the movable base (18) and the roller (19). W) becomes rewindable.

Almost in the center of the bed (12) is a vertically long box-shaped frame (
23) is provided. A leftward protruding bracket (24) is provided at the upper end of the box-shaped frame (23), and a support (25) is erected on this bracket (24). Furthermore, another support (26) is erected at the right end of the bed (12). These two pillars (
25) An upper lateral member (27) and an intermediate lateral member (28) are secured between (26), and a lower lateral member is secured between the upper end of the box-shaped frame (23) and the right column (26). (29) has been stopped from being handed over. A speed reducer (31) driven by a motor (not shown) is mounted on the bed (12) so as to be located tangentially to the box-shaped frame (23).
is established. On the right side of the box-shaped frame (23), there is a first plate extending vertically from the lower end to the upper end along the right side of the box-shaped frame (23).
A drive shaft (35) is provided, and a right support column (26) is provided.
) is provided with a second drive shaft (36) extending perpendicularly from its lower end to its upper end along the inner surface thereof. 1st and 2nd
The drive shafts (35) and (36) each have a pair of sprockets (37) fixed to their respective lower ends.
(38) and the chain (39) wrapped around them
), so that they are connected to each other so that they can transmit rotation.

A driven head gear (40) is fixed at a position below the sprocket (37) of the first drive shaft (35), and this driven head gear (40) is connected to the drive shaft fixed to the output shaft of the reducer (31). It is meshed with the cap gear (41).

The web unwinding device (5) has a groove (
Guide roller (43) that moves up and down guided by 42)
, upper and lower limit detectors (44) and (45), which are respectively arranged at the upper and lower ends of the groove (42) and detect when the guide roller (43) has reached the upper and lower limits of the groove (42); a rewind motor (30) that is started when the guide roller (43) reaches the upper limit and stopped when the lower limit is reached based on the output signal of the guide roller (44) (45); A pair of intermittent drive vertical web feeding endless rollers are arranged above the moving path of the web (W) and are attached at predetermined intervals with a plurality of pairs of rubber pads (46) that sandwich the web (W) from both sides. chain(
47).

The grooves (42) are numbered on the front and rear walls of the box-shaped frame (23), respectively. The guide roller (43) and both chains (41) are both housed within the box-shaped frame (23). The rewind motor (30) is attached to the lower left protrusion of the box-shaped frame (23). The output shaft of the rewinding motor (3o) is equipped with a drive sprocket (32
) is fixed, and a chain (34) is wound between this driving sprocket (32) and a driven sprocket (33) fixed to the rotating shaft for supporting the rolled web (11). An endless web feeding chain (47) is wound between each upper driving sprocket h (48) and lower driven sprocket (49). The rain upper drive sprocket (48) has a pair of gears (5) coaxial with these and intermeshed with each other.
0) are provided respectively. Both of these gears (50
), a disk (51) is provided on the right gear (50) so as to be coaxial with the right gear and rotate together with the right gear (50). A plurality of protrusions (52) are provided at equal intervals on the outer peripheral edge of the disc (51). On the other hand, a cylindrical cam (53) is fixed near the upper end of the first drive shaft (35), and the cam groove (53) is fixed near the upper end of the first drive shaft (35).
4), one of the protrusions (52) is fitted into it.

When the cylindrical cam (53) is rotated, each protrusion (52)
They fit into the cam grooves (54) one by one, and the cam grooves (
By moving guided by the protrusion (54), the protrusion (54)
2) The disk (51) rotates intermittently every angle corresponding to one movement, and the gear (50) and drive sprocket (48) that are meshed with each other rotate accordingly.

As a result, an endless chain (47
) is driven in the opposite direction to the bean, and the rubber
The pad (46) holds the web (W) and feeds it one pitch at a time. The length of one pitch corresponds to the length of one container material. When the web (W) is fed, the rewind motor (30 ) is stopped.As the web (W) is fed, the guide roller (43) rotates and is lifted along the groove (42), and when it rises to the vicinity of its upper end, the guide roller (43) is moved to start the rewind motor. Limit switch(
44) is included. When the rewind motor (30) operates and the drive sprocket (32) on its output shaft rotates, the chain (34) wound around it causes the driven sprocket (33) to rotate together with the rotating shaft (17). As a result, the web (W) wound into a roll is rewound. When the web (W) is unwound, the guide roller (43) is lowered. The guide roller (43) has a groove (
42), the rewind motor stop limit switch (45) is turned on and the rewind motor (30) is stopped.

The web cutting device w (6) has a fixed blade (55) arranged above the web feeding endless chain (47).
and a horizontally movable movable blade (56).

Both the fixed blade (55) and the movable blade (56) are connected to a horizontal guide plate (57) provided at the top of the box-shaped frame (23).
It is placed on top of. A right end portion of a movable rod (58) extending in the left-right direction is connected to the movable blade (56). The movable rod (58) has a bracket (
24) supported by a bearing (59) provided on the
It is biased leftward by a compression coil spring (60) fitted therein. An O-ra (θ1) is attached to the left end of the movable rod (58), and this roller (6
1) is in contact with a cam (63) provided on a camshaft (62) extending in the front-rear direction. A driven head gear (64) is fixed to the camshaft (62).

On the other hand, at the rear of the movable rod (58) is a rotating shaft (
65) is provided. A driving shaft gear (66) meshed with a driven shaft gear (64) is disposed at the left end of the rotating shaft (65).
) is fixed. Another head gear (67) is fixed to the right end of the rotating shaft (65), and this is the first gear.
It is meshed with a cap gear (68) fixed to the upper end of the drive shaft (35).

When the first drive shaft (35) rotates, the rotary shaft (65) connected to it via a pair of mutually meshed bevel gears (67) (68) rotates, and the rotary shaft (65) also rotates.
) via another pair of head gears (64) and (66) rotates, and the cam (63) reciprocates the movable rod (58). As a result, the movable blade (56
) reciprocates so that its cutting edge overlaps the fixed blade (55) and moves away from the fixed blade (55), and the web (W
) is disconnected.

The sheet material holder (7) has a vertical flat sheet material pressing plate (70) provided integrally with the movable blade (56), and one sheet material (S) on the sheet material pressing plate (70). Place the sheet material (S) on each other while maintaining a distance that allows for light pressing.
Sheet material pressing plates (70) at intervals slightly smaller than the width of
A pair of vertical parallel bar-shaped stoppers (
71).

The sheet material pressing plate (70) is formed in approximately the same shape as the cut sheet material (S), is provided on the horizontal guide plate (57), and surrounds the sheet material pressing plate (70) almost without a gap. When viewed from the left and right, there is a stopper (
71). Sheet material press plate (70)
The movable blade (56) is integrated with the triangular plate-shaped connecting member (72).
is fulfilled by

The web (W) fed into the frame (69) is cut by the fixed blade (55) and the movable blade (56) into a sheet material (S), which is then cut by the push plate (70) and the stopper (71). holds. By moving the push plate (70) and the stopper (71) to the right together with the movable blade (56), the sheet material (S) is carried to the vicinity of the right end opening of the frame (69).

As shown in detail in FIG. 2, the sheet material folding device M (8) includes a vacuum cup (73), the vacuum cup (73) is taken outward, and the vacuum cup (73) The receiver, which faces the sheet material pressing plate (70), includes a rotating body (74) that is intermittently driven around a horizontal axis so that it can be stopped at multiple positions including the pick position, and a vacuum of the rotating body (74). - Consists of a pair of folding flaps (75) installed oppositely on both sides of the cup (73).

The vacuum cup (73) in the receiving position is facing to the left, and in the opposite direction is the removal position. A vacuum cup (73) is attached to the tip of a sliding body (77) that has a roller (76) at its base end. A suction air hole (78) is bored in the sliding body (77).

The rotating body (14) has a hollow cylinder (80) for supplying suction air having a center hole (79), and is fixed radially to the hollow cylinder (80) at equal intervals of 90 degrees, and has sliding bodies (17) fitted therein. The four cylindrical arms (81) inserted into the cylindrical arms (81) and the sheet material receiver fixed to the tip of each cylindrical arm (81) and interconnected to form a square frame as a whole when viewed from the front and rear directions. consists of a plate (82). Center hole (
A fixed shaft (84) having a left-facing cam (83) and extending in the front-rear direction is fitted into the center of the shaft of the hollow cylinder (80) and the suction air hole (77) in the hollow interior of the hollow cylinder (80) 18) A hose (85) is provided between the opening end and the hose (85), and the hose (85) is provided with an on-off valve (86) operated by a limit switch (not shown). The hollow cylinder (80) is rotatably supported by means not shown, and a driven spur gear (87) is fixed to one end (see FIG. 1). A drive spur gear (88) is meshed with this spur gear (87). Drive spur gear (88
) is connected to the first drive shaft (3
5) is fixed to an intermediate shaft (89) driven by a cap gear (68) provided at the upper end.

A compression coil spring (90) is fitted inside the arm (81) to urge the sliding body (77) inwardly and press it against the cam (83) via the roller (76). A flange (91) is provided integrally at the tip of the arm (81), and a bending flap (75) is attached to the flange (91). The sheet material receiver plate (82) has a rectangular outer shape slightly larger than the sheet material <8>, and has an annular outward protrusion (82) surrounding the sheet material (S) along the peripheral edge.
92) is formed. Also, the sheet material receiver is a plate (82)
Escape holes or notches are formed at required locations so as not to interfere with the operation of the vacuum cup (73), bending flap (15), etc. The folding flap (75) is formed into a rectangular plate shape, and its -
Each side is fixed to a pair of parallel rotating shafts (93). Furthermore, a protrusion (94) is provided at the leading edge of the folding flap (15) to engage with both edges of the sheet material (S) to be folded. A binion (95) is fixed to each rotating shaft (93).A rack (96) is engaged with each binion (95).Each rack (96) is slid by a guide member (97). The sheet material receiver is freely supported and protrudes outwardly through the plate (82).A roller (
98) is attached, as well as a compression coil spring (99) that biases the rack (96) outward. On the other hand, two ring-shaped inner cams (100) are provided to surround the entire rotating body (74) and are arranged in front and back in parallel. The inner cam (1oo) has a downwardly inclined surface (101). Of the pair of racks (96), one roller (98) is in contact with the front inner cam (100), and the other roller (96) is in contact with the rear inner cam (1oo).

Assume that the vacuum cup (73) is now rotating from a downward position to a leftward position. At this time, the pair of folding flaps (75) on both sides are open. The folding flaps (75) extend outward in opposite directions from the rotating shaft (93), and the sheet material receiver is retracted into the inside of the plate (82). vacuum·
When the cup (73) stops facing leftward, the roller (16) rides on the cam (83) before and after this, causing the vacuum cup (73) to protrude to the left and simultaneously perform suction operation. Due to the same vacuum
The cup (73) attracts the sheet material (S) held by the sheet material holder (7). Then, when the rotating body (74) starts rotating and the roller (76) passes over the cam (83), the vacuum cup (73) retracts while adsorbing the sheet material (S). Thereby, the sheet material (S) can be bent and slid between the stoppers (71) and taken out from the sheet material holder (7). By the time the vacuum cup (73) that has absorbed the sheet material (S) is facing upward, a pair of D-ra (96) of the rack (96) are placed around it.
8) approaches the inclined surface (101) of the inner cam (100). When the O-ra (98) crosses the slope (1 old), both the racks (96) move outward in opposite directions together with the O-ra (98). Then, both racks (96
The binions (95) meshed with the respective rotation shafts (93) rotate in opposite directions, and accordingly
By rotating J- in the same direction, the pair of folding flaps (75) which had been open are closed. In other words, the folding flap (75) is arranged such that the sheet material receiver extends outward from the plate (82) and inwardly from the rotating shaft (93) in opposite directions.
Bil. Thereby, the sheet material (S) is folded along the crease line. The folded sheet material (S) is attracted to the vacuum cup (73) and continues to rotate while being pressed by the folding flap (75) (when it reaches the take-out position where the J1 vacuum cup (73) is facing right) , the suction of the vacuum cup (73) is released.

At this take-out position, the folded sheet 2G
- The material (S) is taken out from the rotating body (74). After the sheet material (S) is taken out, the folding flap (75)
continues to rotate, but when it reaches a position 180 degrees opposite to the closed position, the folding flap (75) opens again.

The folding sheet material take-out device (9) is a vacuum cup (7) stopped at the take-out position opposite to the receiving position.
3) and sheet material extrusion members (102) that push out the folded sheet material (S) from there by entering between the folding flaps (75) on both sides.

The pushing member (102) is attached to a rod of a fluid pressure cylinder (not shown) and is movable in the front and rear directions.

The folded sheet material sealing device (10) has a plurality of folded sheet material holders (108) each having a groove-shaped sheet material holding recess with a cross section attached at a predetermined interval, and the holders (108) are installed at predetermined intervals. The receiver for receiving the sheet material (S) taken out by the folding sheet material take-out device 9) stops at multiple positions including the take-up position, and has a main endless chain (107) which is driven intermittently in a chain-like manner. ,
The receiver is arranged in parallel with a hot air heater (104) placed downstream in the holder movement direction from the pick position, and in parallel with a part of the main chain (107) downstream from the hot air heater (104) in the holder movement direction. 107), and a large number of rubber pads (105) enter into the recesses of the holder (108) and hold the overlapped ends of the sheet material (S) held there. It consists of sub-endless chains (106) mounted at intervals equal to the intervals of the holders (108) so as to be able to press against the bottom surface of the recess.

There is a take-out position several pitches before the receiving position in the direction of movement of the main chain. The main chain (107) has an upper driving sprocket (109) and a lower driven sprocket (
110). Main chain (107)
A chain guide (111) is arranged inside. The upper drive sprocket (109) is connected to the upper transverse member (
27) is fixed to the upper drive shaft (112) supported by the upper drive shaft (112). The lower driven sprocket (110) is connected to the lower transverse member (
29) is fixed to the lower driven shaft (113) supported by the lower driven shaft (113). A driven gear (114) is fixed to the upper drive shaft (112) concentrically with the upper drive sprocket (109). The driven gear (114) has an idler gear (
115) and a drive gear (116) are meshed with each other.

The drive gear (116) is driven by a mechanism similar to the intermittent drive mechanism described above to drive the web unwinding endless chain (47).

That is, the drive gear (116) is provided with a disk (117) coaxially with the drive gear (116) so as to rotate together with the drive gear (116). A plurality of protrusions (118) are provided on the outer peripheral edge of the disc (117). One of the protrusions (11B) fits into a cam groove (120) of a cylindrical cam (1HI) fixed to the upper end of the second drive shaft (36). Hot air heater (104
) has two hot air outlets (121), and these hot air outlets (121) are arranged so as to face the folded sheet material holders (108) stopped at two positions downstream from the receiving position. , the rod (12) of the hydraulic cylinder (122)
3) via a bracket (124). The fluid pressure cylinder (122) is supported by the sheet material holder (7) in a rightward direction via a bracket (125). The auxiliary chain (106) is wound around two sprockets (126) and (127) supported by the upper lateral member (21) and the intermediate lateral member (28), respectively. Of both sprockets (126) (127),
The two-part sprocket l-(126) is provided with a driven gear (128) which is coaxial with the two-part sprocket and rotates together with the two-part sprocket l-(126).
The driven gear (128) is meshed with the idler gear (115). A chain guide (129) is also arranged inside the sub-chain (106).

The folded sheet material (S) taken out by the folded sheet material take-out device (9) is transferred to the folded sheet material holder (108) waiting at the receiving position.
is maintained. The folded sheet +a(S) held in the holder (108) in this manner is intermittently conveyed from the receiving position to the take-out position. During this time, the folded and overlapped ends of the folded sheet material (S) are sequentially heated by the hot air heater (104) and pressed against the holder (108) by the rubber pad (10!i). By sealing, the container material (B) is completed.

There are two locations for taking out the container material (B), and two container material 1 discharging devices (11) having the same configuration are respectively arranged there. This is two magazines (1)
This is to accommodate.

As shown in detail in FIG. 3, the container material ejection device (11) is a container material extrusion section that enters between the holders (108) stopped at the take-out position and pushes out the container material (B) held there. vJ (130) and the container material (B) extruded by the container material extrusion member (130)
A container material holder (13
1), and a container material removal member that enters the inside of the container material holder (131) and takes out the container material (B) in a predetermined posture by pushing a required part of the container front IJ (B) held there. (133), and a container material transfer conveyor (134) that receives and transfers the container material (B) taken out by the container material removal member (133).

The container material pushing member (130) is attached to a rod of a fluid pressure cylinder (not shown) and is movable in the front and rear directions. The container material holder (131) holds the folded sheet material boulder (10
8) is formed in a shape that overlaps with the holder (1OA) from the front and rear directions, and is arranged below the holder (1OA) and extends in the front and rear direction.
13G) and a pair of leaf springs (137) each protruding inward from the tip of the Ryokawa shape member (136). The container material removal member (133) is a container material holder (1
31) and pushes out the container material (B) from the holder (131) with its lower end first, and of the free form 44 (136), the lower chevron member (136)
A fluid pressure cylinder (13
11) is attached to the tip of the rod (139).

The container material transfer conveyor (134) is a belt conveyor and extends from near the lower end of the container material holder (131) to above the magazine (1).

When the material holder (108) stops moving toward the folding seam 1 at the take-out position, the container material pushing member (130) is activated and the container material (B) is pushed out from the holder (10B). The extruded container material (B) is placed in the container material holder (1
31). At this time, container material (B)
is in a vertical position, with the face with its sealed end facing to the right. Next, the container material removal member (133
) is activated and pushes the part near the lower end of the container material (B), the leaf spring (137) deforms, and the container material (B) is moved to the container material holder (131) with its lower end first.
being pushed out.

The extruded container element 41 (B) is transferred to the container element transfer conveyor (134) with its sealed end facing upward.
), the receiver is stopped and carried above the magazine (1), from which it falls and is stored in the magazine (1) in the same position.

Effects of the Invention According to this invention, by installing 1q of small container material manufacturing equipment and installing it at the same location as the packaging machine, the trouble of transporting the container materials can be saved. It can support a wide variety of production methods.

[Brief explanation of the drawing]

Fig. 1 is a front view including a partial cross section showing an embodiment of the present invention, Fig. 2 is a front view without enlarging the sheet material folding device shown in Fig. 1, and Fig. 3 is a front view of the container shown in Fig. 1. FIG. 2 is an enlarged front view showing a part of the material discharge device together with a part of the packaging machine. (1) Magazine, (5) Web unwinding device, (6) Web cutting device, (7) Sheet material holder, (8) Sheet material folding device, (
9)... Folded sheet material take-out device, (10).
... Folding sheet material sealing device, (11) ... Container material discharge device, <30) ... Rewinding motor, (42
)...Groove, (43)...Guide roller, (44)
(45) Upper and lower limit detector, (46) Rubber pad, (47) Chain, (55) Fixed blade, (56) Movable blade, (70) ... Sheet material pressing plate, (71) ... S]-brim, (73) ... Vacuum cup, (74) ... Rotating body, (15) ... Bending flap, (102) ... Sheet material extrusion member, (104) ... Hot air heater, (105) ... Rubber pad, (106) ... Sub-endless chain, (107) ... Main endless chain, ( 108
)...Bending sheet material holder, (130)...Container material extrusion member, (131)...Container material holder, (133)...Container material removal member, (134)...
... Conveyor, (W) ... Webb, (S) ...
Sheet material, (B)...Container material. that's all

Claims (1)

[Claims] The web (W) wound into a roll is transferred to the container material (B) 1
A web unwinding device (5) that intermittently rewinds the web (W) by the web unwinding device (5) to cut the web (W) into a sheet material (S).
a web cutting device (6), and a web cutting device (6)
a sheet material holder (7) that holds the sheet material (S) cut by 6) in a required posture; and a sheet material holder (7).
A sheet material folding device (8) and a sheet material folding device (8) that receive the sheet material (S) from the machine and bend the sheet material (S) so that both ends thereof are overlapped with each other.
) and a folded sheet material take-out device (9) that takes out the folded sheet material (S) from the folded sheet material take-out device (9); A folding sheet material sealing device (10) that seals the same material to form a container material (B), and a folding sheet material sealing device (10)
A container material discharge device (11) that discharges the container material (B) from the
) and a manufacturing device for container materials.