JP4983503B2 - Sealing bag manufacturing equipment - Google Patents

Description

  The present invention relates to an apparatus for manufacturing a sealed bag having a bottle mouth portion formed by sealing and packaging a fluid in a heat seal portion.

  Conventionally, the packaging of fluids such as soups and sauces is performed as follows.

  First, the film-shaped packaging material is folded in a line parallel to the same direction while being sent in the length direction, and a vertical heat seal portion extending in the same direction is formed by a heat seal wheel, thereby forming a cylindrical superposed body. The A pair or a plurality of heat seal rollers sandwiching the superimposed body are arranged in the traveling direction of the superimposed body, and a preceding horizontal heat seal portion is provided by rotation of the heat seal roller, thereby forming a bottomed bag portion on the superimposed body. Is done. Further, above the heat seal roller, a fluid filling nozzle enters the overlapped body from its joint, and this filling nozzle constantly discharges the fluid into the bottomed bag portion at a constant flow rate.

  When the heat seal roller rotates in synchronization with the progress of the superposed body, the upstream side of the superposed body is closed by the formation of the subsequent lateral heat seal portion, and a sealed bag in which a fixed amount of fluid is enclosed is formed. Thereafter, the same operation as described above is repeated, and a sealed bag containing a fluid is formed on the superposed body at a constant pitch. Thereafter, the sealing bag is cut on the transverse heat seal portion and separated from the superposed body (see, for example, Patent Documents 1, 2, 3, and 4).

  In addition, the sealed bag may be formed with a bottle opening that can easily pour out the fluid content by tearing the bag wall. In the case of forming the bottle opening part in a sealed bag, a bottle seal part for forming the bottle opening part is provided on the heat seal bar fixed to the heat seal roller (see, for example, Patent Document 2). .

JP 2000-185715 A JP 2001-114220 A JP 2003-170916 A Utility Model Registration No. 3125431

  There are various shapes of the bottle mouth portion to be formed in the sealed bag, and according to this, a heat seal bar is also prepared for each shape of the various bottle mouth portions. When a sealed bag is manufactured by the sealed bag manufacturing apparatus, the heat seal bar must be replaced with a heat seal roller according to the shape of the bottle opening to be formed in the sealed bag.

  However, a heat seal bar having a bottle mouth seal portion is relatively expensive, and preparing this for each shape of the bottle mouth portion has a problem of increasing the cost. In order to increase the productivity of the sealing bag, a plurality of heat seal bars are generally attached to one heat seal roller. For this reason, the number of heat seal bars to be prepared having a bottle opening seal portion increases, resulting in further cost increase.

  Further, when the number of heat seal bars increases, there is a problem that a large space for storing them is required.

  Accordingly, an object of the present invention is to provide a sealed bag manufacturing apparatus capable of solving such problems.

  In order to solve the above problems, the present invention employs the following configuration.

  That is, the invention according to claim 1 is a cylindrical shape that is closed by the longitudinal heat seal portions (10, 11) extending in the same direction while feeding the superposed body (9b) of the film-like packaging material (9) in the length direction. The vertical heat sealing means (25) for performing this operation and the superposed body (9b) are provided with a preceding horizontal heat sealing portion (26) to form a bottomed bag portion (9c), and the bottomed bag portion (9c) is filled. Horizontal heat sealing means for forming a sealed bag (7, 2, 4, 5) by providing a subsequent horizontal heat seal portion (26) so as to divide the fluid (A) formed, and the bottomed bag portion (9c) ) In the sealed bag manufacturing apparatus including the filling means (28) for filling the fluid (A) in the heat sealing bar (27a) which is detachably fixed to the outer periphery. And having at least a pair of rollers (27) sandwiching the superimposed body (9b), On the two sides of each heat seal bar (27a), there is a bottle mouth sealing portion (1a, 3a) for forming a different mouth shape (1, 3) in the sealing bag (7, 2, 4, 5). Is provided on the sealing surface of the heat seal bar (27a) so that the phase is shifted by about 180 degrees, and when each heat seal bar (27a) is rotated 180 degrees and fixed to the roller (27), The bottle mouth seal portion (1a or 3a) can be brought into contact with the superimposed body (9b), and the other bottle mouth seal portion (3a or 1a) cannot be brought into contact with the superimposed body (9b). It is the manufacturing apparatus of the sealing bag.

  Moreover, as described in claim 2, in the sealed bag manufacturing apparatus according to claim 1, the bottle mouth seal portions (1a, 3a) respectively formed on the two sides of the heat seal bar (27a), It can be assumed that they are separated from each other by more than the width of the superimposed body (9b).

  According to the invention which concerns on Claim 1, it closes with the vertical heat seal part (10, 11) extended in the same direction, sending the superposition body (9b) of a film-form packaging material (9) to a length direction, and is cylindrical. The vertical heat sealing means (25) for performing this operation and the superposed body (9b) are provided with a preceding horizontal heat sealing portion (26) to form a bottomed bag portion (9c), and the bottomed bag portion (9c) is filled. Horizontal heat sealing means for forming a sealed bag (7, 2, 4, 5) by providing a subsequent horizontal heat seal portion (26) so as to divide the fluid (A) formed, and the bottomed bag portion (9c) ) In the sealed bag manufacturing apparatus including the filling means (28) for filling the fluid (A) in the heat sealing bar (27a) which is detachably fixed to the outer periphery. At least a pair of rollers (27) sandwiching the superposed body (9b), On the two sides of the heat seal bar (27a), there are bottle mouth seal portions (1a, 3a) that form bottle mouth portions (1, 3) of different shapes on the sealing bags (7, 2, 4, 5). When the heat seal bar (27a) is rotated 180 degrees and fixed to the roller (27), it is provided so that the phase is shifted by about 180 degrees on the seal surface of the seal bar (27a). The seal part (1a or 3a) can be brought into contact with the superposed body (9b), and the other bottle mouth seal part (3a or 1a) is made inaccessible to the superposed body (9b). The two heat seal bars (27a) carry two types of bottle seal parts (1a, 3a), and each heat seal bar (27a) is rotated approximately 180 degrees in parallel to the heat seal surface to turn the bottle seal part (1a , 3a) on the roller (27) By, it is possible to form the bottle mouth portion (1 or 3) optionally a bottle mouth seal portion (1a or 3a). Therefore, the number of heat seal bars to be prepared is reduced, and the storage space for the heat seal bars can be reduced. In addition, by forming the bottle seal part frequently used in one heat seal bar, it is possible to cope with the change of the bottle seal part by changing the direction of the heat seal bar, so that it seals quickly. Production of the bag can be started, which can contribute to improvement of the production efficiency of the sealed bag.

  As described in claim 2, in the sealed bag manufacturing apparatus according to claim 1, the bottle mouth seal portions (1a, 3a) respectively formed on the two sides of the heat seal bar (27a) overlap each other. Assuming that the body (9b) is separated more than the width of the body (9b), the desired bottle mouth seal (1a or 3a) is superimposed on the superimposed body (1a or 3a) by shifting the heat seal bar (27a) in the length direction. 9b), the unnecessary bottle mouth seal (3a or 1a) can be removed from the superposed body (9b).

  Next, embodiments of the present invention will be described with reference to the drawings.

  First, a sealed bag manufactured by this sealed bag manufacturing apparatus will be described with reference to FIGS. 1 (A), (B), and (C).

  The sealing bag 7 is formed by folding the film-shaped packaging material 9 (see FIG. 2) in half so that a folded portion is formed on one side. The film-shaped packaging material 9 is folded in two in a flat shape, and the entire periphery including the open edge of the folded superposed body 9b is closed by the vertical and horizontal heat seal portions 10, 11, 12, 13 to form the sealed bag 7 Is done. When the open edge of one side of the superimposed body 9b is opened in the sealing bag 7, a fluid A such as soup as a content is filled there. Thereafter, this open edge is heat-sealed to complete the sealed bag 7.

  Further, a bottle mouth portion 1 is formed in the heat seal portion 12 on one side of the sealing bag 7. The bottle mouth portion 1 is a bottle mouth-shaped non-heat seal portion formed in the heat seal portion 12. In FIG. 1 (A), the bag wall is torn along the broken line a indicated by the alternate long and short dash line, whereby a bottle mouth for facilitating pouring the fluid A is formed at the corner of the sealed bag 7. .

  According to this sealing bag manufacturing apparatus, the sealing bag 2 as shown in FIG. 5 can also be manufactured. In the sealed bag 2, the bottle opening 3 is different from that of the sealed bag 7 and is formed in an arc shape. Also in this case, in FIG. 5 (A), the bag wall is torn along the broken line a indicated by the alternate long and short dash line, so that the bottle mouth for facilitating the pouring of the fluid A is formed at the corner of the sealed bag 2. It is formed.

  In addition, as the film-shaped packaging material 9, what was sterilized with disinfectants, such as hydrogen peroxide, can be used. By using such a sterilized film-shaped packaging material 9, the sterility of the inside of the sealing bag 7 can be easily maintained. Further, as the film-shaped packaging material 9, two strips separated from the beginning may be overlapped instead of folding one sheet.

  Next, an apparatus for producing the sealed bag will be described.

  As shown in FIG. 2, the sealed bag manufacturing apparatus includes a film-like packaging material sterilization unit 14 and a bag making unit 15.

  In the sterilization section 14, along the traveling path of the film-shaped packaging material 9 fed out from the winding roll 9a of the film-shaped packaging material 9, from the upstream side to the downstream side, the heater 17, the sterilizing agent discharge nozzle 18, the mist exhaust A duct 19, a hot air nozzle 20, a cold air nozzle 21 and the like are arranged in this order. In this embodiment, the film-shaped wrapping material 9 travels vertically from bottom to top, so that the portion from the heater 17 to the cold air nozzle 21 is also arranged in the vertical direction. A partition wall 16 having an opening through which the film-shaped packaging material 9 passes is provided between the winding roll 9a and the heater 17 as necessary. A partition wall 22 having an opening through which the film-shaped packaging material 9 passes is also provided between the mist exhaust duct 19 and the hot air nozzle 20. The openings of the partition walls 16 and 22 can be opened and closed by a shutter (not shown).

  The film-shaped packaging material 9 fed out from the winding roll 9 a reaches the heater 17 through various rollers 23 and is preheated. The sterilizing effect of the film-shaped packaging material 9 by the later sterilizing agent is enhanced by the heat of the preheating. The preheated film-shaped packaging material 9 is sprayed with a mist of hydrogen peroxide water as a sterilizing agent from the sterilizing agent discharge nozzle 18. This mist is generated by spraying an aqueous solution of hydrogen peroxide, heating it to the boiling point or higher, vaporizing it, and condensing it into fine particles. The bactericidal agent is not limited to hydrogen peroxide, and various chemicals having a bactericidal action can be used. By spraying mist, the surface of the film-shaped packaging material 9 is sterilized. The surplus mist is recovered from the mist exhaust duct 19. The sterilized film-like packaging material 9 passes through the partition wall 22 and is blown with hot air from the hot air nozzle 20, and the sterilizing agent attached to the surface is vaporized and removed by the heat. The film-like packaging material 9 from which the disinfectant is removed is blown with cool air from the cool air nozzle 21, thereby promoting the removal of the disinfectant.

  The film-shaped packaging material 9 sterilized by the sterilization unit 14 is sent to the next bag making unit 15 through various rollers 24 and supplied to the packaging of the fluid A.

  In addition, when the sterilization process of the film packaging material 9 is unnecessary, it is also possible to omit the sterilization part 14 and to send the film packaging material 9 directly from the winding roll 9a to the bag making part 15.

  As shown in FIGS. 3 and 4, the bag-making unit 15 wraps the film-shaped packaging material 9 sent from the sterilizing unit 14 in the length direction and folds it on a center line parallel to the same direction, thereby overlapping the body 9 b. A folding mechanism, and a heat seal wheel 25 as a vertical heat seal means that is closed and closed by vertical heat seal portions 10 and 11 extending in the same direction while feeding the overlapping body 9b in the same direction, and the cylindrical shape The preceding horizontal heat seal portion 26 is provided on the superposed body 9b to form the bottomed bag portion 9c, and the subsequent horizontal heat seal portion 26 is provided so as to divide the fluid A in the bottomed bag portion 9c. A heat seal roller 27 as a transverse heat seal means for forming the sealed bag 7 and a filling nozzle 28 as a filling means for filling the fluid A into the bottomed bag portion 9c are included.

  In the bag-making part 15, the film-shaped packaging material 9 is sent vertically from top to bottom, and the folding mechanism from the upstream side to the downstream side along the traveling path of the film-shaped packaging material 9; A heat seal wheel 25, a filling nozzle 28, a heat seal roller 27, and the like are arranged in this order.

  The folding mechanism includes a guide roller 29 that changes the traveling direction of the film-shaped packaging material 9 coming from the sterilizing unit 14 downward, and a guide rod 30 that folds the film-shaped packaging material 9 that passes through the guide roller 29 while folding the center line. It comprises.

  Two pairs of heat seal wheels 25 are prepared, and are opposed to each other so as to sandwich both side edges of the superimposed body 9b from the front and back. Each heat seal wheel 25 is incorporated with an electric heater (not shown) so that a portion in contact with the superimposed body 9b is heated.

  A pair of heat seal rollers 27 are prepared and arranged to face each other so as to sandwich the superimposed body 9b from the front and back. Each of the pair of heat seal rollers 27 is fixed to the rotary shaft 27b, and rotates while sandwiching the superimposed body 9b from the front and back sides on the downstream side of the heat seal wheel 25.

  On the surface of each heat seal roller 27, a heat seal bar 27a is fixed in parallel with the rotary shaft 27b so as to repeatedly form the transverse heat seal portion 26 in the length direction of the superimposed body 9b. One or a plurality of heat seal bars 27 a are fixed to the surface of each heat seal roller 27 in parallel with the rotation shaft 27 b according to the length of the sealing bag 7. Each heat seal roller 27 incorporates an electric heater (not shown) so that each heat seal bar 27a is heated. Further, the heat seal bar 27a is detachably fixed to the surface of each heat seal roller 27 with a fixing screw or the like, and can be appropriately replaced with various prepared lengths depending on the width of the sealing bag 7 and the like.

  When the heat seal roller 27 is driven and rotated in the direction of the arrow in FIG. 4, the horizontal heat seal portion 26 is repeatedly formed on the superimposed body 9 b at every pitch of one sealed bag 7. The heat seal roller 27 rotates in synchronization with the traveling speed of the superimposed body 9b only when forming the horizontal heat seal portion 26, and forms the horizontal heat seal portion 26 so as to cross the superimposed body 9b.

  As shown in FIGS. 3 and 7, a bottle mouth seal portion that forms bottle mouth portions 1, 3 having different shapes on the sealing bag 7 is provided on two sides of each heat seal bar 27 a attached to the heat seal roller 27. 1a and 3a are provided so that the phase is shifted by about 180 degrees on the sealing surface of the heat seal bar 27a. One bottle mouth seal portion 1a corresponds to the bottle mouth portion 1 of the sealed bag 7 shown in FIG. 1A, and the other bottle mouth seal portion 3a is connected to the bottle mouth portion 3 of the sealed bag 2 shown in FIG. Correspond. The bottle seal portions 1a and 3a are formed by cutting out portions corresponding to the bottle mouth portions 1 and 3 from the respective heat seal bars 27a.

  Moreover, the bottle seal parts 1a and 3a respectively formed on the two sides of the heat seal bar 27a are separated from each other by a larger amount than the width of the superimposed body 9b. Thereby, as shown in FIG. 3, the desired bottle mouth seal portion 1a is opposed to the superimposed body 9b by shifting the heat seal bar 27a in the length direction, and the unnecessary bottle mouth seal portion 3a is superimposed on the superimposed body. 9b can be removed.

  When each heat seal bar 27a is rotated 180 degrees parallel to the seal surface of the heat seal bar 27a and fixed to each heat seal roller 27, as shown in FIG. 9b can be contacted, and the other bottle mouth seal portion 3a cannot contact the superimposed body 9b. As a result, the bottle mouth portion 1 as shown in FIG.

  Further, when each heat seal bar 27a is further rotated 180 degrees parallel to the seal surface of the heat seal bar 27a or rotated 180 degrees in the opposite direction and then fixed to each heat seal roller 27, FIG. As shown in FIG. 4, the other bottle mouth seal portion 3a can come into contact with the superimposed body 9b, and the one bottle mouth seal portion 1a cannot come into contact with the superimposed body 9b. Thereby, the bottle mouth part 3 as shown in FIG.

  In addition, when forming a bottle mouth part in shapes other than the two said bottle mouth parts 1 and 3, two kinds of bottle mouths for forming two kinds of bottle mouth parts different from the above two kinds of bottle mouth parts A heat seal bar on which a seal portion is formed is prepared, and this heat seal bar is replaced with the heat seal bar 27a used in the previous manufacturing of the sealing bags 7 and 2.

  As shown in FIGS. 3, 4 and 6, the filling nozzle 28 is arranged toward the bottom of the bottomed bag portion 9 c of the superimposed body 9 b formed on the upstream side of the heat seal roller 27. A conduit 28a for flowing the fluid A enters the superposed body 9b from the upstream side of the heat seal wheel 25 through the joint of the superposed body 9b, passes between the left and right heat seal wheels 25, 25, and between the heat seal rollers 27, 27. And a filling nozzle 28 is provided at its tip. The fluid A is constantly discharged from the filling nozzle 28 at a constant flow rate into the bottomed bag portion 9c generated by the formation of the preceding horizontal heat seal portion 26 by the heat seal roller 27. The discharge amount of the fluid A can be adjusted by adjusting the number of rotations of a pump (not shown) according to the traveling speed of the superimposed body 9b.

  Further, another pair of heat seal rollers may be provided on the downstream side of the heat seal roller 27, and the horizontal heat seal portion 26 may be overlapped and heat sealed by this heat seal roller. However, it is necessary to perform this heat sealing so as not to seal the bottle mouth portions 1 and 3.

  As shown in FIGS. 2 to 4, a rotary cutter 35, which is a means for separating the sealing bag 7, is installed on the downstream side of the heat seal roller 27.

  The rotary cutter 35 has a rotary blade 35a and a fixed blade 35b facing the rotary blade 35a. The rotary blade 35a separates the sealing bag 7 from the superposed body 9b on the horizontal heat seal portion 26 by a shearing action that sandwiches the superposed body 9b with the fixed blade 35b. The rotary blade 35a of the rotary cutter 35 rotates only when the sealing bag 7 is separated from the superposed body 9b on the horizontal heat seal portion 26.

  Of course, the rotary blade 35a may be continuously rotated synchronously with the traveling of the superimposed body 9b to separate the sealing bag 7 from the superimposed body 9b on the lateral heat seal portion 26. Further, for example, a guillotine type cutting machine can be provided in place of the rotary cutter 35. This cutting machine is suitable when the superposed body 9b is intermittently fed for each pitch of the sealing bag 7.

  As shown in FIG. 2, the downstream side of the rotary cutter 35 is closed by a partition wall 37, and the partition wall 37 is provided with an opening corresponding to the passage of the sealing bag 7 and a shutter (not shown) for opening and closing the opening.

  Further, as shown in FIG. 2, the path from the position of the partition wall 22 of the sterilization unit 14 to the rotary cutter 35 of the bag making unit 15 to be the sealed bag 7 as shown in FIG. The part is enclosed in a sterile chamber 38. The inside of the sterilization chamber 38 is maintained at a positive pressure by being constantly blown with sterilized air, and the entry of fungi from the outside is prevented.

  Next, the manufacturing process of the sealing bag using the said sealing bag manufacturing apparatus is demonstrated.

(1) Prior to the start of packaging of the fluid A, the sterilization process in the sterilization chamber 38 shown in FIG. 2 is performed. During this sterilization process, the openings of the partition walls 22 and 37 are closed by shutters to seal the inside of the sterilization chamber 38. For example, hydrogen peroxide mist is introduced into the sterilization chamber 38.

  After the sterilization process, the inside of the sterilization chamber 38 is maintained at a positive pressure by constantly supplying sterile air, and the sterilized state is maintained. Further, the shutter is opened, and aseptic air blows out of the aseptic chamber 38 from there.

  The film-shaped packaging material 9 is unwound from the take-up roll 9a by an endless belt (not shown) or manually extending from the sterilization unit 14 to the bag making unit 15, and the leading end thereof is sent to the bag making unit 15 through the sterilization unit 14. . Thereby, the setting of the film-shaped packaging material 9 is completed.

(2) When packaging of the fluid A is started, the film-shaped packaging material 9 fed out from the take-up roll 9a passes through various rollers 23, passes through the opening of the partition wall 16, is preheated by the heater 17, and discharges the disinfectant. For example, a mist of hydrogen peroxide is sprayed from the nozzle 18. The excess mist of hydrogen peroxide discharged from the sterilizing agent discharge nozzle 18 is sucked and removed by the mist exhaust duct 19. The film-like packaging material 9 sterilized by the hydrogen peroxide mist passes through the opening of the next partition wall 22 and enters the aseptic chamber 38, and hot air and cold air are sequentially blown from the hot air nozzle 20 and the cold air nozzle 21. Hydrogen oxide is removed. The dried film-shaped packaging material 9 is introduced into the bag making unit 15 through various rollers 24. Thereafter, the film-shaped packaging material 9 is processed in an aseptic atmosphere until the sealed packaging 7 is obtained.

(3) As shown in FIG. 3 and FIG. 4, in the bag making section 15, the film-like packaging material 9 is folded back on a line parallel to the same direction by the guide rod 30 while being sent in the length direction, and is folded in two. It is set as the body 9b.

(4) The superposed body 9b of the folded film-like packaging material 9 has a flat tubular superposed body in which the folded part on one side and the open part on the opposite side are sealed by the vertical heat seal parts 10 and 11, respectively. 9b.

  The two vertical heat seal portions 10 and 11 are formed by sandwiching both side edges of the superimposed body 9b from the front and back of the heat seal wheel 25. The heat seal wheel 25 continuously rotates in the direction of the arrow in FIG. 4, and the superimposed body 9b continuously travels between the heat seal wheels 25 and 25, whereby the vertical heat seal portions 10 and 11 are continuously formed on both sides. Of course, it is also possible to use a plate-like heat seal board instead of the heat seal wheel 25. In that case, since the vertical heat seal portions 10 and 11 are formed intermittently, the superimposed body 9b also runs intermittently between the heat seal boards.

(5) The superposed body 9b whose both sides are closed by the vertical heat seal portions 10 and 11 is closed on the downstream side by a horizontal heat seal portion 26 extending in a direction intersecting the length direction. The horizontal heat seal part 26 is formed in a shape and size in which the upper and lower horizontal heat seal parts 12 and 13 shown in FIG. 1A are continuous in the length direction of the superposed body 9b.

  The horizontal heat seal portion 26 is formed by the superimposed body 9b being sandwiched between a pair of heat seal rollers 27, 27 from the front and back. The pair of heat seal rollers 27 and 27 are fixed to the rotary shaft 27b, respectively, and are arranged opposite to each other so as to sandwich the superimposed body 9b from the front and back sides on the downstream side of the heat seal wheel 25.

  When the heat seal roller 27 is driven and rotates in the direction of the arrow in FIG. 4, the horizontal heat seal portion 26 is formed on the superimposed body 9 b.

  The heat seal rollers 27 and 27 are continuously rotated, and the superimposed body 9b is closed by the horizontal heat seal portion 26 for each longitudinal length of the single sealing bag 7 by continuously running between the heat seal rollers 27 and 27.

  Each heat seal roller 27 is attached with a heat seal bar 27a in which two types of bottle seal parts 1a and 3a are provided so that the phases are shifted by about 180 degrees on the seal surface. Since the other bottle mouth seal portion 3a is fixed so as to be inaccessible to the superimposed body 9b, the bottle mouth portion 1 as shown in FIG. Formed in portion 26.

(6) The fluid A continuously flows from the filling nozzle 28 at a constant flow rate into the bottomed bag portion 9c formed by providing the preceding horizontal heat seal portion 26 on the cylindrical superposed body 9b. To do. The flow rate of the fluid A is adjusted according to the traveling speed of the superimposed body 9b, for example.

(7) By the rotation of the heat seal wheel 25 and the heat seal roller 27, the sealing bag 7 is continuously formed on the superimposed body 9b. As shown in FIG. 3 and FIG. 4, when the superimposed body 9 b reaches the rotary cutter 35, the sealing bag 7 is separated from the superimposed body 9 b by the rotary cutter 35 on the lateral heat seal portion 26 to be a finished product. The sealing bag 7 can be separated from the superposed body 9b at another place separated from the bag making process.

(8) When switching from the production of the sealed bag shown in FIG. 1 (A) to the production of the sealed bag 2 shown in FIG. 5, each heat seal bar 27 a is removed from the heat seal roller 27 and then the heat seal surface is formed. It is rotated 180 degrees in parallel, and as shown in FIG. 6, the other bottle mouth seal part 3a can be brought into contact with the superimposed body 9b, and the one bottle mouth seal part 1a can be brought into contact with the superimposed body 9b again. It is fixed to the heat seal roller 27.

  Then, the sealing bag 2 shown in FIG. 5 is manufactured by the process similar to said (1)-(7).

  In (4) above, by omitting the heat sealing of the folded portion on one side of the superimposed body 9b of the folded film-like packaging material 9, the three-side sealed sealing bag 4 as shown in FIG. A three-side sealed bag 5 as shown in FIG.

  Although the present invention is configured as described above, the present invention is not limited to the above-described embodiment, and various modifications can be made within the scope of the gist of the present invention.

(A) is a perspective view of the sealing bag which can be made with the sealing bag manufacturing apparatus which concerns on this invention, (B) is a BB sectional view taken on the line in FIG. (A), (C) is a figure (A). It is a CC sectional view taken on the line. 1 is a schematic elevation view of a sealed bag manufacturing apparatus according to the present invention. It is a front view of the sealing bag manufacturing apparatus which abbreviate | omits and shows the sterilization part in FIG. It is a left view of the sealing bag manufacturing apparatus shown in FIG. It is a perspective view of the sealing bag which can be made with the sealing bag manufacturing apparatus which concerns on this invention. It is a front view of the sealing bag manufacturing apparatus which manufactures the sealing bag shown in FIG. It is a perspective view of an example of a heat seal bar. (A) (B) is a perspective view of the three-side seal sealing bag of a respectively different aspect which can be made with the sealing bag manufacturing apparatus which concerns on this invention.

Explanation of symbols

A ... Fluid 1, 3 ... Bottle mouth part 1a, 3a ... Bottle mouth seal part 2, 4, 5, 7 ... Sealing bag 9 ... Film-like packaging material 9b ... Superimposed body 9c ... Bottomed bag part 10, 11 ... Vertical Heat seal portion 25 ... Heat seal wheel 26 ... Horizontal heat seal portion 27 ... Heat seal roller 27a ... Heat seal bar 28 ... Filling nozzle

Claims (2)

  A vertical heat-sealing means that closes a vertical heat seal part extending in the same direction while feeding a superposed body of film-like packaging material into a cylindrical shape, and has a preceding horizontal heat seal part on this superposed body A lateral heat seal means for forming a bag part and forming a sealed bag by providing a subsequent lateral heat seal part so as to divide the fluid filled in the bottomed bag part, and the fluid in the bottomed bag part In the sealed bag manufacturing apparatus including the filling means for filling, the lateral heat sealing means has at least a pair of rollers sandwiching the superimposed body with a heat seal bar detachably fixed to the outer periphery, On the two sides of each heat seal bar, a bottle mouth seal portion that forms a bottle mouth portion having a different shape on the sealing bag is provided so that the phase is shifted by about 180 degrees on the seal surface of the heat seal bar. Seal bar When rotated 180 degrees and fixed to the roller, one bottle seal part can be brought into contact with the superimposed body, and the other bottle seal part cannot be brought into contact with the superimposed body. Sealing bag manufacturing equipment.   2. The sealed bag manufacturing apparatus according to claim 1, wherein the bottle mouth seal portions respectively formed on the two sides of the heat seal bar are separated from each other by more than the width of the superposed body. Manufacturing equipment.

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