JP5066345B2 - Manufacturing method and apparatus for filling bottle with contents - Google Patents

Description

  The present invention relates to a method and an apparatus for manufacturing a content-filled bottle, and more specifically, a part of the bottom part is formed to protrude outward in the axial direction of the body part, and the projecting part is inverted to the inside of the body part. The present invention relates to a method of manufacturing a filled bottle by filling a liquid content inside a synthetic resin bottle that is freely recessed, and an apparatus for realizing the method.

  As a bottle for filling contents containing liquid contents such as beverages, for example, a blow molded bottle (PET bottle) made of polyethylene terephthalate is known.

  In this type of bottle, if the contents are cooled after the mouth is sealed with a cap, the inside of the bottle is depressurized due to the volume reduction of the contents, etc. It is not preferable.

  For this reason, it is performed to form a plurality of flexible panels in the body portion that uniformly absorb deformation caused by internal decompression due to cooling of the contents after filling (see, for example, Patent Document 1). However, when such a panel is provided, the bottle shape becomes complicated and the material cost of the bottle increases.

  Therefore, a part of the bottom of the bottle is made invertible, and the liquid part is filled in a state in which the inverted part protrudes to the outside of the bottom. After the bottle mouth is sealed with a cap, the inverted part is placed inside the bottle. What is made to dent in the direction is known (refer patent document 2).

In the bottle described in Patent Document 2, prior to the filling of the liquid contents, the inverted portion of the bottom of the bottle is pushed outward to form a protruding state. Next, the heated liquid content is filled into the bottle with the bottom inversion portion protruding outward (hot filling), and the bottle mouth is sealed with a cap. Thereafter, when the liquid content inside the bottle cools and becomes a reduced pressure state, the inverted part of the bottom of the bottle protruding outward is pushed up into the bottle and recessed. As a result, the internal pressure in the reduced pressure state is canceled out, and the decompression deformation of the body portion of the container does not occur. In this way, by providing a reversing part that can be freely reversed on the bottom of the bottle and reversing the reversing part in the manufacturing stage of the content-filled bottle, the above-described deformation can be uniformly absorbed in the bottle body. It is not necessary to provide the panel, and the degree of freedom in bottle design is improved and the material cost of the bottle can be reduced.
JP-A-6-72423 Special table 2006-501109

  However, in a bottle that prevents deformation of the body by decompression of the bottom of the bottle, the inverted part of the bottom of the bottle must be protruded outside prior to filling the contents, and the bottle bottom is unstable. Thus, it becomes difficult to carry the sheet in a self-supporting state.

  Therefore, by attaching a cylindrical pack having a stable grounding part to the bottom of the bottle and accommodating the inverted part of the bottom part in the pack, the bottle can stand independently through the pack regardless of the uneven state of the inverted part. Can be carried out stably.

  However, for example, when filling the heated contents in the bottle (so-called hot filling), the bottle is turned upside down prior to filling the contents, and the bottle is washed with washing water. When the mounted bottle is inverted, the cleaning liquid attached to the pack may flow down to the mouth of the bottle and become unsanitary. In addition, when filling the contents at room temperature (so-called aseptic filling), a bottle with sterilized inner and outer surfaces is used to perform filling in an aseptic condition. At this time, the pack is attached to the bottle. In order to keep it in place, the pack itself must be sterilized, which increases the number of work steps and reduces the efficiency.

  The present invention has been made in view of the above problems, and in producing a bottle filled with content that prevents decompression deformation of the body portion by reversing the unevenness of the bottom portion, it is excellent in terms of hygiene and efficient and high quality content. It is an object of the present invention to provide a method and an apparatus capable of producing a filled bottle.

  The present invention relates to a method and an apparatus for manufacturing a content-filled bottle in which a liquid content is sealed inside a synthetic resin bottle. In the present invention, the upper end portion of the hollow body portion is provided with a mouth portion into which a cap can be fitted, and the bottom portion for closing the lower end portion of the body portion is provided, and a part of the bottom portion is provided outside the body portion. A bottle that is formed so as to protrude in the axial direction of the body portion and is provided with a reversing protrusion portion that can be recessed by being inverted inward in the axial direction of the body portion is employed.

The method of the present invention for achieving the above object, firstly, content filling the contents of the inverting protrusion is a protruding state in the barrel outside is filled with a liquid contents in the interior of an empty bottle Hama MiTakashi A process and a sealing process in which a cap is fitted and sealed to the mouth of the filling bottle filled with the liquid content in the content filling process . The content filling step can be performed by sterilizing the inner and outer surfaces of an empty bottle that is not filled with the content, and then filling the empty bottle with a liquid content at room temperature (so-called aseptic filling). .
Next Ide, bottle bottom to removably become shape formed by packs the reversal corresponding to the projecting portion below the bottom is opened cylindrical, the bottom of the filled bottle cap is fitted by the sealing step A pack mounting process for mounting on the outer periphery is performed, and the bottom of the filling bottle with the pack mounted on the bottom by the pack mounting process is supported via the pack, and the reverse projecting part projecting downward is pressed upward to enter the inside of the bottle. A bottom indenting step is performed to invert inward. And the pack separation process which separates the said pack from the filling bottle by which the inversion protrusion part was dented in the trunk | drum inside by the bottom part indentation process is performed.

According to the method of the present invention, the pack mounting process is performed after the sealing process. Thus, since the packs in the bottle when performing content filling step is not mounted, the working process is not increased since the sterilization treatment of the pack is not required in the case of A Seputikku filling, efficiently filling and sealing Stop work can be performed.

  In addition, since the bottom part indentation process is performed after the pack is attached to the bottle by the pack attachment process, the pack prevents the bottom of the bottle from being inadvertently deformed, and the inversion protrusion is reliably indented inward of the bottle. Can be made. Thereby, an inappropriate deformation | transformation does not arise in a bottle bottom part, but a high quality content filling bottle can be manufactured.

The apparatus of the present invention for achieving the above object, a content filling means content that the reversing protrusion is a protruding state in the barrel outside is filled with a liquid contents in the interior of an empty bottle Hama MiTakashi And a sealing means for fitting and sealing the cap on the mouth of the filling bottle filled with the liquid content by the content filling means . The content filling means sterilizes the inner and outer surfaces of the empty bottle that is not filled with the content, and then fills the empty bottle with the liquid content at room temperature (so-called aseptic filling).
The apparatus of the present invention, further, the bottle bottom to removably become shape formed below the bottom corresponding to the inversion protrusion is open the tubular pack, the cap by the sealing means is fitted A pack mounting means for mounting on the outer periphery of the bottom of the filled bottle, and the bottom of the filling bottle with the pack mounted on the bottom by the pack mounting means via the pack, and pressing the reversing protrusion upward to the bottle Bottom indenting means for inversion recessing inward, and pack separation means for separating the pack from the filling bottle in which the inversion protrusion is recessed inwardly by the bottom recessing means.

  In the apparatus of the present invention, the pack mounting means mounts the pack on the outer periphery of the bottom of the filling bottle with the cap fitted by the sealing means. Thereby, at the time of work by the content filling means and the sealing means, the filling and sealing work is performed in a state where the pack is not mounted on the bottle. Thereby, filling and sealing work can be performed hygienically well and efficiently.

  Furthermore, since the pack is mounted on the bottle by the pack mounting means, for example, the bottle can be carried independently on a conveyor. In addition, since the reverse protrusion is inverted and recessed inward of the bottle by the bottom recess means after the pack is attached to the bottle by the pack attachment means, the bottom of the bottle may be inadvertently deformed by the pack attached to the bottom of the bottle. It is possible to produce a bottle filled with high quality that is prevented.

  An embodiment of the present invention will be described with reference to the drawings. The apparatus of the embodiment manufactures a content-filled bottle filled with a content such as a beverage, and a part of the pack mounting means 1 shown in FIG. 1, the bottom recess means 2 shown in FIG. It is comprised by providing the means 3. FIG. Further, although not shown in the drawing, on the upstream side of the pack mounting means 1, a filler which is a well-known content filling means for filling the bottle 4 (see FIG. 3) with the content, and the bottle 4 is sealed with a cap 5. A capper 6 (shown in phantom lines in FIG. 1), which is a sealing means having a known configuration, is provided. As is well known, in filling with a filler, either hot filling for filling a heated high-temperature liquid content or aseptic filling for filling the liquid content at room temperature after sterilization is performed. . In the hot filling, a rinser for cleaning the inside of the bottle 4 is provided on the upstream side of the filler, and in the aseptic filling, a sterilization apparatus for the bottle 4 is provided on the upstream side of the filler. Further, when aseptic filling is performed, at least the upstream side including the capper 6 is set in a sterile environment.

  The bottle 4 employed in the present embodiment is made of blow-molded polyethylene terephthalate resin (PET). As shown in FIG. 3, the diameter of the bottle 4 is increased from the mouth 7 that opens upward and the lower end of the mouth 7. A hollow body portion 9 that is continuous through a shoulder portion 8 and a bottom portion 10 that closes a lower end portion of the body portion 9.

  The mouth portion 7 is formed with a screwed portion 11 for screwing the cap 5 (see FIG. 10 and the like), and a lower portion of the screwed portion 11 is formed with a flange portion 12 protruding to the outer periphery. Further, a neck portion 13 is formed between the collar portion 12 and the shoulder portion 8.

  An annular grounding portion 14 is formed on the outer peripheral side of the bottom portion 10, and an inversion projecting portion 15 projecting outward (downward) along the axis of the trunk portion 9 is formed inside the grounding portion 14. . The inversion protrusion 15 has an inclined portion 16 that can be inverted and reversed in a symmetrical shape toward the inside and outside of the body portion 9, and a region (center portion of the bottom portion 10) surrounded by the inclined portion 16. And an inward projecting portion 17 projecting inward. A first hinge portion 18 is annularly provided on the outer peripheral edge of the inclined portion 16, and a second hinge portion 19 is annularly provided on the inner peripheral edge (boundary with the inward protruding portion 17) of the inclined portion 16. The inclined portion 16 is configured to be inverted by the bending of the first hinge portion 18 and the second hinge portion 19. On the other hand, the inward projecting portion 17 does not invert, but only moves up and down due to the inversion of the inclined portion 16, and its shape is maintained. In addition, a plurality of beads 20 are formed in the body portion 9 to ensure strength. Further, although not shown, a vacuum absorbing panel may be formed on the body portion 9.

  Further, the bottle 4 has an inverted protrusion 15 protruding outward (downward) from the body 9 at least before being charged into the filler. Such a bottle 4 is obtained by molding so that the inversion protrusion 15 protrudes outside in a mold (not shown) during blow molding. Thus, by using the bottle 4 formed with the reverse protrusion 15 protruding outward, the reverse protrusion before filling the filler when using the bottle with the reverse protrusion 15 recessed inside. Since the work process which protrudes 15 outside is unnecessary, it is advantageous in terms of efficiency and cost.

  Next, the main part of the apparatus of this embodiment will be described. As shown in FIG. 1, in the upstream of the pack mounting means 1, the bottle 4 is filled with contents, the mouth portion 7 is sealed with a cap 5 and discharged from the capper 6 (hereinafter referred to as a filling bottle). A filling bottle charging turret 21 and a pack charging turret 22 are provided.

  1 shows an example in which the capper 6 and the filling bottle charging turret 21 of the pack mounting means 1 are installed adjacent to each other so as to be suitable for hot filling, but in aseptic filling, The influence of outside air on the discharge side of the capper 6 in an aseptic environment is considered. That is, when performing aseptic filling, although not shown, the capper 6 is in an aseptic atmosphere as described above, and the sterilized state of each device constituting the capper 6 is maintained. On the discharge side of the capper 6, for example, the position where the aseptic atmosphere and the outside air are in contact with each other as far as possible from each device constituting the capper 6 prevents the outside air from being mixed into the aseptic atmosphere. As a specific example, by arranging a plurality of discharge turrets downstream on the discharge side of the capper 6, the discharge path of the capper 6 is made a relatively long distance, and a discharge path provided with a plurality of discharge turrets is provided. A sterile atmosphere is provided until the end. As a result, even if the sterile atmosphere and the outside air are in contact with each other at the terminal end side of the discharge path, the sterile atmosphere is not hindered by the outside air on the start end side of the discharge path, and the sterilized state of each device constituting the capper 6 is maintained. On the other hand, in the case of hot filling, since there is no adverse effect on the outside air mixing into the capper 6, the capper 6 and the filling bottle charging turret 21 of the pack mounting means 1 are provided adjacent to each other as shown in FIG.

  As shown in part in FIG. 13A, the filling bottle charging turret 21 includes a holding portion 23 that holds the lower half of the filling bottle 4, and a regulation plate that prevents the filling bottle 4 in the holding portion 23 from coming off. 24, and the filled bottle 4 discharged from the capper 6 is put into the pack mounting means 1. As shown in FIG. 1, the pack loading turret 22 is connected to the end of a pack loading path 26 including a screw conveyor 25, and loads the pack 27 into the pack loading means 1. Further, a discharge turret 28 and a discharge conveyor 29 for discharging the filling bottle 4 to which the pack 27 is mounted are provided on the downstream side of the pack mounting means 1. The discharge conveyor 29 conveys the filling bottle 4 on which the pack 27 is mounted to the bottom recess means 2 shown in FIG.

  The pack 27 is formed in a cylindrical shape from a relatively hard synthetic resin and can be attached to the bottle 4 so as to cover the bottom portion 10 from the lower end portion of the body portion 9 of the bottle 4, as shown in FIGS. 4 and 5. Further, the peripheral wall 30 and the bottom support portion 31 are configured. The peripheral wall 30 of the pack 27 is provided with a bead engaging claw 32 that protrudes inward and can be freely engaged with and disengaged from the lowermost bead 20 on which the body portion 9 is formed. The bead engaging claw 32 is elastically engaged with the bead 20 of the bottle 4 by a peripheral notch 33. An opening 34 is formed in the bottom support 31 of the pack 27 at a position corresponding to the reverse protrusion 15 of the bottle 4, and an annular locking groove 35 is formed on the outer peripheral surface. In addition, in the pack 27 of this embodiment, although it was set as the cylindrical shape corresponding to the shape of the bottle 4, for example, when the shape of a bottle is a polygonal column shape, the shape of the pack corresponding to it is a polygonal cylinder shape. And

  As shown in FIG. 6, the pack mounting means 1 includes a support column 37 erected on a base 36, a drive gear 38 rotatably supported on the support column 37, and a turn that rotates integrally with the gear 38. And a table 39. A top plate 40 is rotatably supported on the upper end portion of the support column 37, and the top plate 40 and the turntable 39 are integrally connected by a plurality of guide rods 41 extending in the vertical direction. The gear 38 is connected to a rotation driving means such as a motor (not shown).

  The pack mounting means 1 further includes a filling bottle chuck 42 fixedly supported by the guide rod 41 and a pack support table 43 supported by the guide rod 41 so as to be movable up and down at a position below the filling bottle chuck 42. Yes.

  As shown in FIG. 7, the filling bottle chuck 42 includes a base block 44 that is fixedly supported by the guide rod 41 and a pair of claw members 45 that are supported by the base block 44 so as to be freely opened and closed. Further, a pinion gear 46 is provided on the outside of the base block 44 of the filling bottle chuck 42, and the pinion gear 46 meshes with a rack 47 provided so as to be movable up and down along the guide rod 41 as shown in FIG. As shown in FIG. 7, the pinion gear 46 drives an opening / closing mechanism (not shown) built in the base block 44 via a rotating shaft 48. Then, the pinion gear 46 rotates as the rack 47 moves up and down, thereby opening and closing both the claw members 45. As shown in FIG. 6, the rack 47 includes a cam follower 49, and the cam follower 49 moves up and down the rack 47 by being guided by a cam rail 50 provided on the outer periphery of the column 37. The both claw members 45 of the filling bottle chuck 42 hold the neck 13 of the filling bottle 4 from the outside as shown in FIG.

  As shown in FIGS. 6 and 8, the pack support table 43 is supported by the guide placement rod 41 and the pack placement portion 51 for placing the pack 27 loaded from the pack loading turret 22 (see FIG. 1). The lift block 52 is provided. As shown in FIG. 6, the elevating block 52 includes a cam follower 53, and the cam follower 53 moves up and down the pack mounting portion 51 by being guided by a cam rail 54 provided on the outer periphery of the column 36. The pack support table 43 mounts the pack 27 placed on the pack placement unit 43 on the filling bottle 4 by moving upward toward the bottom 10 of the filling bottle 4 held by the filling bottle chuck 42.

  Next, the bottom recessed means 2 and the pack separating means 3 will be described. As shown in FIG. 2, the bottom recess means 2 and the pack separation means 3 are provided adjacent to each other, and the pack separation means 3 is connected to the downstream side of the bottom recess means 2 via a filling bottle transfer turret 55. ing. A filling bottle charging turret 56 is provided on the upstream side of the bottom recessed means 2. The filling bottle charging turret 56 is connected to the end of a filling bottle charging path 58 provided with a screw conveyor 57, and charges the filling bottle 4 mounted with the pack 27 discharged from the pack mounting means 1 to the bottom recess means 2. . Further, on the downstream side of the pack separating means 3, a filled bottle discharge turret 59 and first and second pack discharge turrets 60, 61 are provided. The filling bottle discharging turret 59 is connected to the starting end of the filling bottle discharging conveyor 62, and the second pack discharging turret 61 is connected to the starting end of the pack discharging conveyor 63.

  As shown in FIG. 9, the bottom recess 2 has a support column 65 erected on the base 64, a driving gear 66 rotatably supported by the support column 65, and a gear 66 that rotates integrally with the support 66. And an outer cylinder support 67. The outer cylinder support 67 is integrally provided with a filling bottle support table 68. The filling bottle support table 68 is provided with a plurality of first guide rods 69 extending upward and a plurality of second guide rods 70 extending downward. A top plate 71 is integrated with the upper end of the first guide rod 69. It is supported by. The gear 66 is connected to a rotation driving means such as a motor (not shown).

  The filling bottle support table 68 includes a plurality of filling bottle mounting portions 72, and an opening 73 corresponding to the reverse protrusion 15 of the filling bottle 4 is formed in the filling bottle mounting portion 72 so as to penetrate in the vertical direction. Yes.

  A shoulder presser 74 is supported on the first guide rod 69 so as to be movable up and down. The shoulder presser 74 includes a cam follower 75, and the cam follower 75 moves up and down the shoulder presser 74 by being guided by a cam rail 76 provided on the outer periphery of the column 65. As shown in FIG. 10, the shoulder pressing member 74 includes a pressing recess 77 having a shape corresponding to the shoulder portion 8 of the filling bottle 4, and the mouth portion into which the cap 5 is fitted as viewed in plan in FIG. 11. 7 is provided with an insertion hole 78 through which insertion is possible.

  As shown in FIG. 9, an activator punch 79 is supported on the second guide rod 70 so as to be movable up and down. As shown in FIG. 10, the activator punch 79 is connected to the upper end of the elevating shaft 80, and the elevating shaft 80 is held by a guide cylinder 81 through a buffering spring 82 so as to be movable up and down. A push-up contact portion 83 having a shape corresponding to the inclined portion 16 and the inward protrusion portion 17 of the reverse protrusion portion 15 is formed at the tip of the activator punch 79. The guide cylinder 81 is connected to a slide block 84 that is slidably held by the second guide rod 70. The sliding block 84 is provided with a cam follower 85, and the cam follower 85 is guided by a cam rail 87 of a cylindrical wall plate 86 fixed around the column 65 with a space therebetween as shown in FIG. Raise and lower. In the present embodiment, as shown in FIG. 10, the shape of the push-up contact portion 83 corresponds to the inclined portion 16 and the inward protruding portion 17 of the inverted protruding portion 15. However, it may have a shape that circumferentially contacts a part of the inclined portion 16.

  The activator punch 79 is disposed below each filling bottle placement portion 72 of the filling bottle support table 68 and penetrates the opening 73 of the filling bottle placement portion 72 by the guide of the cam rail 87 when rotating around the support column 65. To rise. As a result, the tip of the activator punch 79 pushes up the reverse projecting portion 15 projecting downward from the filling bottle 4 and is recessed toward the inside of the filling bottle 4. At this time, since the buffer spring 82 is provided inside the guide cylinder 81, it is possible to prevent an excessive push-up force from the activator punch 79 from being applied to the reverse protrusion 15. Damage is reliably prevented. Further, by providing the push-up contact portion 83 at the tip of the activator punch 79, when the reversing protrusion 15 is recessed, it can be surely recessed along the recessed shape, and the inadvertent bottom 10 Deformation can be reliably prevented and the inversion protrusion 15 can be smoothly recessed. In addition, what is shown with the code | symbol 88 in FIG.9 and FIG.10 is the holder which supports the filling bottle 4 from a side.

  As shown in FIG. 9, the pack separating means 3 includes a support column 89 erected on the base 64, a driving gear 90 rotatably supported by the support column 89, and an outer body that rotates integrally with the gear 90. And a tube support 91. A flange-like protruding portion 92 is provided on the outer periphery of the upper end of the outer cylinder support 91. The protruding portion 92 has a plurality of first guide rods 93 extending upward and a plurality of second extending rods extending downward. A guide rod 94 is provided. A top plate 95 is integrally supported on the upper end of the first guide rod 93. The gear 90 is rotated in synchronism with the gear 66 of the bottom recess means 2 described above via the drive gear 96 of the filled bottle transfer turret 55.

  A filling bottle chuck 97 is supported on the first guide rod 93 in a fixed state. The filling bottle chuck 97 includes a pair of claw members 98 that open and close. Since the filling bottle chuck 97 has the same configuration as the filling bottle chuck 42 of the pack mounting means 1 described above, a detailed description thereof will be omitted.

  As shown in FIG. 9, a pack connecting member 99 is supported by the second guide rod 94 so as to be movable up and down. The pack connecting member 99 includes a cam follower 100. The cam follower 100 moves up and down the pack connecting member 99 by being guided by the cam rails 102 of the cylindrical wall plate 101 provided around the support column 89 with a space therebetween. As shown in FIG. 12, the pack connecting member 99 includes a protrusion 103 that engages with an engaging groove 35 formed on the outer peripheral surface of the pack 27, and rises toward the pack 27 to cause the protrusion 103 to engage with the engaging groove 35. And the pack 27 is separated from the filling bottle 4 by lowering while maintaining this locked state. The filling bottle 4 and the pack 27 thus separated from each other are transferred to and discharged from a filling bottle discharge turret 59 and a first pack discharge turret 60, respectively, as shown in FIG.

  With the apparatus of the present embodiment configured as described above, a content filling bottle is manufactured as follows. That is, although not shown in the drawing, the liquid contents are filled in the empty bottle 4 shown in FIG. The cap 5 is fitted and sealed in the mouth part 7 of the filling bottle 4 filled with the contents (sealing process). The empty bottle 4 is operated while the filler and the capper 6 are gripping and transporting the neck 13 of the bottle 4 without being self-supported. As shown in FIG. Even if it is formed so as to be inverted and projected downward, filling and sealing operations can be performed without hindrance.

  Next, the pack 27 is mounted on the bottom 10 of the filling bottle 4 by the pack mounting means 1 shown in FIGS. 1 and 6 (pack mounting step). Subsequently, the bottom recess means 2 shown in FIG. 2 and FIG. 9 presses the reverse protrusion 15 protruding downward of the filling bottle 4 upward as shown in FIG. (Bottom recessed step). And the pack 27 is isolate | separated from the filling bottle 4 in which the inversion protrusion part 15 was recessed by the pack separation means 3 shown in FIG. 12 (pack separation process).

  Next, detailed operation of each part will be described. In the pack mounting means 1, first, as shown in FIG. 13 (a), the filled bottle 4 held and charged in the filling bottle charging turret 21 is loaded into the pack mounting means 1 as shown in FIG. 13 (b). It is delivered by gripping the filled bottle chuck 42. The filling bottle chuck 42 grips the neck 13 of the filling bottle 4 from the outside. After the delivery of the filling bottle 4 is completed, as shown in FIG. 13C, the rising of the pack support table 43 on which the pack 27 is placed is started. When the pack support table 43 is further raised, the pack 27 is mounted on the bottom 10 of the filling bottle 4 held by the filling bottle chuck 42 as shown in FIG. Thereafter, the holding by the filling bottle chuck 42 is released, and the filling bottle 4 is delivered to the discharge turret 28 shown in FIG. 1 and discharged. The filled bottle 4 discharged here is put into the bottom recess means 2 shown in FIG.

  In the bottom recessed means 2, first, as shown in FIG. 14A, the filling bottle 4 is placed on the filling bottle support table 68. Next, as shown in FIG. 14B, the shoulder presser 74 is lowered to press the shoulder 8 of the filling bottle 4 placed on the filling bottle support table 68 from above. Thereby, the filling bottle 4 will be in the state positioned so that it could not move up. Then, while maintaining this positioning state, as shown in FIG. 14 (c), the activator punch 79 is raised, and the inverted protrusion 15 of the filling bottle 4 is pushed up by the tip of the activator punch 79 to be recessed. . At this time, as shown in FIG. 10, the push-up contact portion 83 of the activator punch 79 inserts the reverse projecting portion 15 along the recessed shape, thereby reliably preventing inadvertent deformation of the bottom portion 10. The reverse protrusion 15 can be smoothly recessed. Moreover, since the filling bottle 4 is positioned by the shoulder pressing member 74, and the deformation of the bottom 10 to the outer periphery is sufficiently restricted by the pack 27, the push-up contact portion 83 of the activator punch 79 is accurately inverted and projected. In addition to being in contact with the 15 inclined portions 16 and the inwardly projecting portion 17, the inverted projecting portion 15 can be reliably recessed without inadvertent deformation of the bottom portion 10. After that, as shown in FIG. 14 (d), the activator punch 79 is lowered below the filling bottle support table 68 and the shoulder presser 74 is raised, and the filling bottle 4 is transferred to the filling bottle as shown in FIG. Pass to turret 55. The filled bottle transfer turret 55 transfers the filled bottle 4 to the pack separating means 3.

  In the pack separating means 3, the filling bottle 4 transferred from the filling bottle transfer turret 55 is held by a filling bottle chuck 97 as shown in FIG. At this time, the filling bottle chuck 97 grips the neck 13 of the filling bottle 4 from the outside. Next, as shown in FIG. 15B, the pack connecting member 99 is raised and connected to the pack 27 attached to the filling bottle 4. Then, as shown in FIG. 15C, the pack connecting member 99 is lowered, and the pack 27 attached to the filling bottle 4 is pulled down to be separated from the filling bottle 4. Thereafter, as shown in FIG. 2, the pack 27 is transferred to the first pack discharge turret 60 and discharged, the holding by the filling bottle chuck 97 is released, and the filling bottle 4 is transferred to the filling bottle discharge turret 59 and discharged.

The top view which shows schematic structure of the pack mounting means in the apparatus of one Embodiment of this invention. The top view which shows schematic structure of the bottom part indentation means and the pack separation means in the apparatus of this embodiment. Cross-sectional explanatory drawing of the synthetic resin bottle employ | adopted in this embodiment. The perspective view of a pack. Explanatory longitudinal sectional view of the pack. Explanatory sectional drawing which shows a pack mounting means. An explanatory plan view of a filling bottle chuck. Explanatory drawing which shows the holding | maintenance state of a filling bottle. Explanatory sectional drawing which shows a bottom part insertion means and a pack separation means. Explanatory drawing which shows the holding | maintenance state of the filling bottle in a bottom part recessed means. Explanatory plan view of shoulder pressing. Explanatory drawing which shows the holding | maintenance state of the filling bottle in a pack separation means. Explanatory drawing which shows typically the pack mounting process by the apparatus of this embodiment. Explanatory drawing which shows typically the bottom part indentation process by the apparatus of this embodiment. Explanatory drawing which shows typically the pack separation process by the apparatus of this embodiment.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Pack mounting means, 2 ... Bottom recessed means, 3 ... Pack separation means, 4 ... Bottle, 5 ... Cap, 6 ... Capper (sealing means), 7 ... Mouth part, 9 ... Body part, 10 ... Bottom part, 15 ... inverted protrusion, 27 ... pack.

Claims (2)

In the manufacturing method of the content filling bottle in which the liquid content is sealed inside the synthetic resin bottle,
The bottle includes a mouth portion into which a cap can be fitted at an upper end portion of a hollow body portion, and a bottom portion that closes a lower end portion of the body portion. A part of the bottom portion faces the outside of the body portion. And is formed to project in the axial direction of the body part, and is provided with a reversal projecting part that can be recessed by reversing inward in the axial direction of the body part,
After said reversing protrusions contents thereof within the the projecting state to the body portion outside has processed sterilized inner and outer surfaces of the empty bottles is unfilled, content filling to fill the room temperature liquid contents inside of the air bottle Process ,
And a sealing step of sealing by fitting the cap to the mouth of the filled bottle which liquid contents are filled in by the content filling step,
In addition, a cylindrical pack that is formed in a shape that is detachable from the bottom of the bottle and that is open at the bottom corresponding to the inversion protruding portion is connected to the outer periphery of the bottom of the filling bottle in which a cap is fitted by the sealing step. Pack mounting process to be mounted on,
A bottom recessing step for supporting the bottom of the filling bottle with the pack mounted on the bottom by the pack mounting step via the pack, and pressing the reverse protrusion protruding downward upward to reversely indent into the bottle. When,
And a pack separating step for separating the pack from the filling bottle in which the inverted protruding portion is recessed inwardly of the trunk portion by the bottom recessing step. In a content filling bottle manufacturing apparatus in which a liquid content is sealed inside a synthetic resin bottle,
The bottle includes a mouth portion into which a cap can be fitted at an upper end portion of a hollow body portion, and a bottom portion that closes a lower end portion of the body portion. A part of the bottom portion faces the outside of the body portion. And is formed to project in the axial direction of the body part, and is provided with a reversal projecting part that can be recessed by reversing inward in the axial direction of the body part,
After said reversing protrusions contents thereof within the the projecting state to the body portion outside has processed sterilized inner and outer surfaces of the empty bottles is unfilled, content filling to fill the room temperature liquid contents inside of the air bottle Means,
Sealing means for fitting and sealing a cap on the mouth of a filling bottle filled with liquid content by the content filling means;
A cylindrical pack formed in a detachable shape at the bottom of the bottle and opened at the bottom of the bottom corresponding to the reverse protrusion is attached to the outer periphery of the bottom of the filling bottle fitted with a cap by the sealing means. A pack mounting means,
A bottom indenting means for supporting the bottom of the filling bottle with the pack attached to the bottom by the pack attaching means through the pack and pressing the inversion protrusion upward to invert inward into the bottle;
An apparatus for producing a content filling bottle, comprising: a pack separating means for separating the pack from a filling bottle in which a reverse protrusion is recessed inwardly of the body by the bottom recessed means.

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