WO2012035792A1 - 二重エアゾール容器の製造方法、二重エアゾール容器、および、二重エアゾール容器の製造装置。 - Google Patents

二重エアゾール容器の製造方法、二重エアゾール容器、および、二重エアゾール容器の製造装置。 Download PDF

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Publication number
WO2012035792A1
WO2012035792A1 PCT/JP2011/053026 JP2011053026W WO2012035792A1 WO 2012035792 A1 WO2012035792 A1 WO 2012035792A1 JP 2011053026 W JP2011053026 W JP 2011053026W WO 2012035792 A1 WO2012035792 A1 WO 2012035792A1
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WO
WIPO (PCT)
Prior art keywords
inner bag
metal container
container
double aerosol
mouth
Prior art date
Application number
PCT/JP2011/053026
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
優 伊多
治行 末永
孝美 澤田
正人 大角
Original Assignee
武内プレス工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 武内プレス工業株式会社 filed Critical 武内プレス工業株式会社
Priority to JP2011507749A priority Critical patent/JP4773590B1/ja
Priority to CN201180000101.3A priority patent/CN102523742B/zh
Priority to KR1020117006324A priority patent/KR101289254B1/ko
Publication of WO2012035792A1 publication Critical patent/WO2012035792A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/18—Making hollow objects characterised by the use of the objects vessels, e.g. tubs, vats, tanks, sinks, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/38—Details of the container body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/60—Contents and propellant separated
    • B65D83/62—Contents and propellant separated by membrane, bag, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/68—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them
    • B65D83/682—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them the products being first separated, but finally mixed, e.g. in a dispensing head

Definitions

  • the present invention relates to a method for producing a double aerosol container, a double aerosol container, and a device for producing a double aerosol container. Specifically, when inserting an inner bag into a metal container, a method for manufacturing a double aerosol container with a small burden on the inner bag, a double aerosol container using the manufacturing method, and a method for manufacturing the double aerosol container The present invention relates to an apparatus for manufacturing a double aerosol container used in the manufacturing process.
  • Double aerosol containers are known. Since this double aerosol container can discharge the contents separately from the pressurizing agent, it is used for various applications using various contents. Moreover, the material which corrodes a metal container by selecting the material of an inner bag can be used as a content.
  • the inner bag As a problem of manufacturing such a double aerosol container, there is a process of inserting an inner bag into a metal container.
  • the inner bag is generally inserted from the mouth portion of the metal container, but if the shape of the inner bag is reduced to simplify the insertion of the inner bag from the mouth portion of the metal container, the filling amount of the contents is limited. Will be.
  • the size of the inner bag is made larger than the opening of the metal container in order to increase the filling amount of the contents, as shown in FIG. 15 or as in Patent Document 1, the inner bag 100 is folded, It must be deformed and inserted into the metal container 102, and a great load is applied to the inner bag 100.
  • Patent Document 3 A method of forming a double aerosol container by forming a metal container is also known (Patent Document 3).
  • the quality of the inner bag becomes a problem as described above.
  • the insertion speed, the insertion force, and the insertion method vary depending on the operator. There were various problems such as breaking through the bottom, inserting the inner bag into the metal container in a crushed state, or inserting the inner bag into the metal container in a displaced state.
  • the type in which the inner bag is suspended from a metal container has a relatively small inner bag insertion distance and a small load on the inner bag.
  • the inner bag is made of metal. The thing of the type mounted in the bottom part of a container has a problem that the insertion distance of an inner bag becomes large and the burden to an inner bag becomes large.
  • the present invention is a double aerosol that prevents damage to the inner bag such as deformation of the inner bag, generation of wrinkles and generation of cracks when the inner bag is inserted, has excellent productivity, and is inexpensive to manufacture. It aims at providing the manufacturing method of a container, the manufacturing apparatus of the double aerosol container manufactured by the manufacturing method, and a double aerosol container.
  • a first aspect of the method for producing a double aerosol container according to the present invention is a metal container having a body part and a mouth or / and a shoulder part whose diameter is reduced from the body part, and a body container inserted into the metal container.
  • a double aerosol container manufacturing method in which a propellant is present between the metal container and the inner bag, the container having a bottomed cylindrical shape supported by a can holder.
  • the metal container is inserted by an inner bag insertion dedicated machine equipped with an insertion rod that reciprocates at a predetermined speed and a predetermined pressing force. It is characterized by inserting an inner bag.
  • a method for producing such a double aerosol container comprising an insertion bag and a drive device having a drive mechanism for reciprocating the insertion rod at a predetermined speed and a predetermined pressing force. It is preferable to insert the inner bag into the metal container by a machine.
  • the inner bag insertion dedicated machine includes an insertion rod and a drive device having a pneumatic or hydraulic cylinder that reciprocates the insertion rod at a predetermined speed and a predetermined pressing force, Even with a rod and an electric actuator that reciprocates the insertion rod at a predetermined speed and a predetermined pressing force, the insertion rod and the insertion rod are reciprocated at a predetermined speed and a predetermined pressing force.
  • a drive device having a crank mechanism.
  • the upper portion of the bottomed cylindrical can supported by the can holder is supported by a necking machine having a can holder for holding the bottomed cylindrical can and a plurality of drawing dies.
  • the plurality of drawing dies may be formed by drawing.
  • a second aspect of the method for producing a double aerosol container according to the present invention includes a metal container having a body part and a mouth part or / and a shoulder part whose diameter is reduced from the body part, and a metal container inserted into the metal container. And a double aerosol container manufacturing method in which a propellant is present between the metal container and the inner bag, the container having a bottomed cylindrical shape supported by a can holder. After forming the metal container by performing drawing with a plurality of drawing dies on the upper part of the can body, the taper part is provided coaxially with the metal container and the inner diameter decreases toward the metal container side.
  • the inner bag is directed toward the metal container through a cylindrical inner bag guide device in which the inner diameter of the opening end on the metal container side is substantially the same as the inner diameter of the mouth of the metal container. It is characterized by being pressed and inserted into a metal container.
  • a method for manufacturing a double aerosol container configured such that the front end of the mouth of the inner bag protrudes from the end surface opening of the mouth of the metal container.
  • the end surface opening of the metal container mouth is made to be substantially the same as the end surface opening of the mouth of the metal container and the central axis of the inner bag guiding device. It is preferable that the end face opening of the mouth portion of the metal container is separated from the side face of the inner bag guiding device at the end of insertion of the inner bag.
  • the outer diameter D1 of the metal container of the double aerosol container is 25 mm ⁇ D1 ⁇ 30 mm, and the outer diameter S of the mouth of the metal container is 18 mm ⁇ S ⁇ 22 mm.
  • the inner bag body outer diameter d1 of the inner bag is preferably 20 mm ⁇ d1 ⁇ 23 mm, and the angle ⁇ with respect to the central axis of the inner surface of the inner bag guiding device is preferably 20 degrees ⁇ ⁇ ⁇ 30 degrees.
  • the relationship between the body outer diameter d1 of the inner bag and the mouth outer diameter S of the metal container is d1 ⁇ S.
  • a method for manufacturing a double aerosol container using such an inner bag guiding device wherein the inner surface of the inner bag guiding device is composed of a cylindrical portion and a tapered portion in order from upstream, and the body portion of the metal container.
  • the outer diameter D1 is 50 mm ⁇ D1
  • the outer diameter S of the mouth of the metal container is 25 mm ⁇ S
  • the body outer shape d1 of the inner bag is 35 mm ⁇ d1
  • the tapered portion of the inner bag guiding device The angle ⁇ is preferably 20 degrees ⁇ ⁇ ⁇ 30 degrees.
  • the relationship between the body outer diameter d1 of the inner bag and the mouth outer diameter S of the metal container is d1 ⁇ S.
  • the tapered portion of the inner bag guiding device is composed of a first tapered portion having a larger taper angle and a second tapered portion whose taper angle is smaller than the first tapered portion.
  • the outer diameter D1 of the body portion of the metal container is 35 mm ⁇ D1 ⁇ 53 mm
  • the outer diameter S of the mouth portion of the metal container is 24 mm ⁇ S ⁇ 28 mm
  • the outer diameter d1 of the body portion of the inner bag is 32.
  • the angle ⁇ with respect to the central axis of the first tapered portion is 45 degrees ⁇ ⁇ ⁇ 55 degrees
  • the angle ⁇ with respect to the central axis of the second tapered portion is 20 degrees ⁇ ⁇ ⁇ 30 degrees. Some are preferred.
  • the relationship between the body outer diameter d1 of the inner bag and the mouth outer diameter S of the metal container is d1 ⁇ S.
  • a third aspect of the method for producing a double aerosol container according to the present invention includes a metal container having a body part and a mouth or / and a shoulder part whose diameter is reduced from the body part, and a metal container inserted into the metal container, And a double aerosol container manufacturing method in which a propellant is present between the metal container and the inner bag, the container having a bottomed cylindrical shape supported by a can holder.
  • the air in the inner bag is vacuumed until it is inserted by pressing the inner bag toward the metal container. It is characterized by being pulled out and inserted into a metal container while deforming the inner bag.
  • the roll before inserting the inner bag into the metal container, the roll may be brought into contact with the outer periphery of the mouth part, and a part of the mouth part may be squeezed further deeply. After insertion into the metal container, a roll may be brought into contact with the outer periphery of the mouth portion to further squeeze a part of the mouth portion.
  • a method for fixing the valve of the double aerosol container according to the present invention after inserting the inner bag into the metal container, the valve is inserted into the metal container, and the valve is fixed by caulking the valve against the metal container side.
  • the double aerosol container of the present invention is characterized in that a valve is fixed to one manufactured by the method for manufacturing a double aerosol container of the present invention. Two double aerosol containers may be combined to form a double double aerosol container.
  • the double aerosol manufacturing apparatus of the present invention holds a bottomed cylindrical container, and rotates and rotates intermittently and approaches and separates the rotating disk, and necks the opening of the metal container.
  • a necking machine composed of a reciprocating machine having at least a necking processing station having a plurality of dies, an inner bag insertion dedicated machine for inserting an inner bag into a metal container subjected to the necking process, and a metal necked by the necking machine
  • a conveyor for transferring the container to an inner bag insertion dedicated machine.
  • the conveyor sequentially transports the metal containers to the inner bag insertion dedicated machine via at least a washing machine.
  • the inner bag insertion dedicated machine is provided coaxially with the metal container, has a tapered portion whose inner surface diameter is reduced toward the metal container side, and has an inner diameter of the mouth of the metal container.
  • induction apparatus which has the opening end by the side of the metal container which is substantially the same as an internal diameter is preferable.
  • the first aspect of the method for producing a double aerosol container according to the present invention is an inner bag insertion machine equipped with an insertion rod that reciprocates at a constant speed and presses with a constant pressing force in a molded metal container. Since the inner bag is inserted, the quality of the inner bag inserted into the produced double aerosol container is high and stable.
  • the insertion rod of the inner bag insertion dedicated machine is reciprocated by a drive device equipped with a cam mechanism, the structure is simple, so stable inner bag insertion can be performed for a long time and is efficient. .
  • the inner bag when reciprocating the insertion rod of the inner bag insertion dedicated machine with a driving device having a pneumatic or hydraulic cylinder, reciprocating with an electric actuator, or reciprocating with a driving device having a crank mechanism,
  • the inner bag can be inserted stably for a long time.
  • the upper portion of the bottomed cylindrical can body supported by the can holder is supported by a necking machine having a can holder for holding the bottomed cylindrical can body and a plurality of drawing dies.
  • a metal container can be formed efficiently.
  • the second aspect of the method for producing a double aerosol container of the present invention is provided coaxially with the molded metal container, and has a tapered portion whose inner diameter is reduced toward the metal container side,
  • the inner bag is pressed toward the metal container through a cylindrical inner bag guiding device having an opening end on the metal container side whose inner diameter is substantially the same as the inner diameter of the mouth of the metal container. Therefore, the inner bag can be reliably and smoothly inserted into the metal container.
  • a double aerosol configured such that when the inner bag is placed in a metal container using such an inner bag guiding device, the mouth end of the inner bag protrudes from the end surface opening of the mouth of the metal container.
  • the end of the opening of the metal container is substantially the same as the opening of the end surface of the opening of the metal container and the central axis of the inner bag guiding device.
  • the inner bag guiding device projects from the end opening of the metal container at the tip of the inner bag mouth. Not disturb.
  • a method of manufacturing an aerosol container using such an inner bag guiding device wherein a body outer diameter D1 of the metal container is 25 mm ⁇ D1 ⁇ 30 mm, and a mouth outer diameter S of the metal container is 18 mm ⁇ S. If the inner bag outer diameter d1 of the inner bag is 20 mm ⁇ d1 ⁇ 23 mm and the angle ⁇ with respect to the central axis of the inner surface of the inner bag guiding device is 20 degrees ⁇ ⁇ ⁇ 30 degrees, the inner bag Can be inserted without crushing, creases in the inner bag, or plastic deformation of the inner bag.
  • the inner surface of the inner bag guiding device is composed of a cylindrical portion and a tapered portion in order from the upstream, the outer diameter D1 of the body portion of the metal container is 50 mm ⁇ D1, and the outer shape S of the mouth portion of the metal container is When 25 mm ⁇ S, the barrel outer shape d1 of the inner bag is 35 mm ⁇ d1, and the angle ⁇ of the tapered portion of the inner bag guiding device is 20 degrees ⁇ ⁇ ⁇ 30 degrees, a relatively large metal container and Even if it is an inner bag, it can be inserted without crushing the inner bag or without making a crease in the inner bag.
  • the taper portion of the inner bag guiding device is composed of a first taper portion having a taper angle that is larger in order from the top and a second taper portion having a taper angle that is smaller than the first taper portion
  • the inner bag is formed by the first taper portion. After shrinking to some extent, the degree of deformation is loosened by the second taper part, so even when the inner bag is greatly deformed and inserted into the metal container, the inner bag is crushed, the inner bag is creased, The inner bag can be smoothly inserted without plastic deformation.
  • the outer diameter D1 of the body portion of the metal container is 35 mm ⁇ D1 ⁇ 53 mm
  • the outer diameter S of the mouth portion of the metal container is 24 mm ⁇ S ⁇ 28 mm
  • the outer diameter d1 of the body portion of the inner bag is 32. 5 mm ⁇ d1 ⁇ 41 mm
  • the angle ⁇ with respect to the central axis of the first tapered portion is 45 degrees ⁇ ⁇ ⁇ 55 degrees
  • the angle ⁇ with respect to the central axis of the second tapered portion is 20 degrees ⁇ ⁇ ⁇ 30 degrees.
  • good double aerosol containers can be produced.
  • the third aspect of the method for producing a double aerosol container according to the present invention is that the inner bag is deformed by vacuuming the air in the inner bag until the inner bag is pressed and inserted in the direction of the molded metal container. Therefore, the force from the outside of the inner bag can be reduced and the load on the inner bag can be reduced.
  • the inner bag is deformed by vacuuming the air in the inner bag does not mean that the inner bag is deformed only by the vacuum of the air in the inner bag, but only the physical deformation to the inner bag.
  • a double aerosol container which is a double aerosol container in which the inner bag is inserted deeply into the bottom of the can.
  • the double aerosol container of the present invention is manufactured by the method for manufacturing a double aerosol container of the present invention, the quality of the inner bag is high.
  • the double aerosol device of the present invention includes a necking machine for forming a metal container, an inner bag insertion dedicated machine for inserting an inner bag with an insertion rod that reciprocates at a fixed speed into the necked metal container, Since the metal container necked by the necking machine is provided with a conveyor that transfers the metal container to the inner bag insertion dedicated machine, the inner bag can be stably inserted and is efficient. It is more efficient when the conveyor sequentially transfers the metal containers necked by the necking machine to the inner bag insertion dedicated machine at least via the washing machine.
  • the inner bag insertion dedicated machine is provided coaxially with the metal container, has a tapered portion whose inner diameter is reduced toward the metal container side, and the inner diameter is the inner diameter of the mouth of the metal container.
  • FIG. 3 is a sectional view taken along line XX in FIG. 2.
  • FIG. 2 It is a perspective view which shows the inner bag insertion dedicated machine of FIG.
  • FIG. 2 is side surface partial sectional drawing which shows the inner bag insertion dedicated machine of FIG.
  • FIG. 2 is side surface sectional drawing which shows the inner bag guidance apparatus of the inner bag insertion dedicated machine of FIG.
  • side surface sectional drawing which shows the outline just before inserting an inner bag in a metal container.
  • side surface sectional drawing which shows the outline immediately after inserting an inner bag in a metal container.
  • FIGS. 12a and 12b are one embodiment of the double aerosol container of the present invention, and are side cross-sectional views showing the front and rear sides of the valve, respectively, and FIG. 12c is a side cross-sectional view showing the inner bag.
  • FIGS. 13a and 13b are side sectional views showing another embodiment of the double aerosol container of the present invention before and after fixing the valve. It is a partial cross section side view which shows other embodiment of the double aerosol container of this invention. It is the schematic which shows the manufacturing method of the conventional double aerosol container. It is the schematic which shows the manufacturing method of the conventional double aerosol container.
  • a double aerosol container manufacturing apparatus 10 of FIG. 1 includes a necking machine 11 for forming a bottomed cylindrical container into a metal container, an inner bag insertion dedicated machine 12 for inserting an inner bag into the formed metal container, and necking. And a conveyor 13 for sequentially transferring the metal containers formed by the machine to the inner bag insertion dedicated machine.
  • Reference numeral 14 denotes a washing machine for washing the metal container, which is conventionally known.
  • the molded inner bag 30 is sequentially transferred to the inner bag insertion dedicated machine 12 (not shown).
  • the necking machine 11 holds a bottomed cylindrical container or the like (all containers deformed by a mold from a bottomed cylindrical container to a metal container) and rotates intermittently.
  • a tool for processing a bottomed cylindrical container a container immediately before becoming a metal container
  • the reciprocating disk 22 may approach or be separated in a direction perpendicular to the floor.
  • the turntable 21 is provided with a plurality of container holders 23 that hold a bottomed cylindrical container or the like vertically at an equal interval.
  • the reciprocating disk 22 includes a necking processing station 24 having a plurality of drawing dies 24a to 24e that squeeze the opening of the metal container. Further, the reciprocating plate 22 may be provided with other processing stations. For example, a roll processing station provided with a roll for further deepening a part of the mouth outer periphery.
  • the reciprocating disk 22 is supported by the crankshaft 25 and approaches and separates in the horizontal direction.
  • This necking machine 11 operates as follows. That is, the bottomed cylindrical container A1 is sent to the container holder 23a of the turntable 21 from the supply line 26a (connected to the conveyor 13 in FIG. 1 or the conveyor 13 in FIG. 1). Next, the turntable 21 rotates and the bottomed cylindrical container A2 is sent to the next container holder 23b. On the other hand, the container A1 held by the container holder 23a rotates and is sent to the position of the necking processing station 24. In synchronization with this, the reciprocating plate 22 moves toward and away from the container, and the mouth of the container A1 is necked by the mold 24a.
  • the bottomed cylindrical container A3 is sent to the container holder 23c, and the reciprocating board 22 moves in synchronization with and away from the container holder 23c, and the container A2 is necked by the mold 24a.
  • the container A1 is necked by the mold 24b.
  • the container A1 is subjected to necking a plurality of times, and a metal container 20 having a predetermined shape having a trunk portion, a shoulder portion, and a mouth portion is obtained.
  • the molded metal container 20 is carried out from a carry-out line 26b (connected to the conveyor 13 in FIG. 1 or the conveyor 13 in FIG. 1) provided so as to be in contact with the turntable 21.
  • the inner bag insertion dedicated machine 12 includes a container holding portion 31 that holds the metal container 20, an inner bag support portion 32 that supports the supplied inner bag 30, and an inner bag 30 that is made of metal. It comprises an inner bag insertion portion 33 that is inserted into the container 20, and an inner bag guiding device 34 that is disposed between the container holding portion 31 and the inner bag support portion 32.
  • the container holding part 31 includes a star wheel 36 having a plurality of recesses 36 a formed on the outer periphery rotating intermittently, and a stopper 37 provided at an end of the star wheel 36.
  • the metal containers 20 transferred by the conveyor 13 into the recess 36 a of the star wheel 36 are sequentially supplied in synchronization with the rotation of the star wheel 36.
  • the inner bag support portion 32 is provided with a concave portion 32 a to which the inner bag 30 is supplied on the upper surface, and is configured to be sequentially supplied in synchronization with the rotation of the star wheel 36.
  • the recess 32a is set so that the metal container 20 and the inner bag 30 are coaxial with one of the positions where the recess 36a of the rotating star wheel 36 stops (reference numeral 36b) (the left end in this embodiment). Has been.
  • the inner bag insertion portion 33 includes an insertion rod 41 that moves horizontally and a drive device that holds the base and has a cam mechanism 42 that drives the insertion rod 41.
  • the cam mechanism 42 includes a columnar rotating shaft (drum cam) 44 that is rotated by power from a motor or the like, and an operating shaft 45 that reciprocates in the axial direction as the rotating shaft rotates. 41 is connected.
  • a groove portion 46 is formed on the surface of the rotating shaft 44 so as to reciprocate around both ends by one rotation.
  • the operating shaft 45 is provided with a moving element 47 that moves along the rotation of the rotating shaft 44 along the groove 46 of the rotating shaft 44. Thereby, when the rotating shaft 44 makes one rotation, the moving element 47 moves horizontally on the rotating shaft 44, and the operating shaft 45 also moves horizontally along with this.
  • the insertion rod 41 connected to the operating shaft 45 reciprocates in the horizontal direction with a predetermined speed and a predetermined maximum pressing force.
  • a drive device for reciprocating the insertion rod 41 an actuator for converting the rotation of a motor or the like in the front-rear direction may be used in addition to the cam mechanism as will be described later.
  • the insertion rod 41 can be pushed at a predetermined speed and a predetermined maximum pressing force. Furthermore, you may push the inner bag 30 with the air sprayed with a predetermined pressure.
  • the inner bag guiding device 34 has a cylindrical shape, and is formed with a tapered portion 51 whose inner diameter is reduced toward the metal container 20 side (container holding portion 31 side). Moreover, the inner diameter S1 of the opening end on the metal container 20 side is substantially the same as the inner diameter of the mouth portion S of the metal container.
  • the inner bag guiding device 34 is fixed by a holding tool 34a.
  • the taper portion 51 includes a first taper portion 52 having a taper angle ⁇ that is larger than the first taper portion and a second taper portion 53 that is smaller than the first taper portion in order from the inner bag support portion 32 side (right side in FIG. 5). It consists of and.
  • Symbol S2 indicates the inner diameter of the boundary portion between the first taper portion and the second taper portion (the end on the metal container side of the first taper portion 52).
  • the inner diameter of the end portion of the first taper portion 52 on the inner bag support portion 32 side is configured to be substantially the same as or larger than the body portion of the inner bag 30.
  • the central hole of the inner bag guiding device 34 is arranged coaxially with the axis of the metal container 20. That is, the metal container 20 (the axis of the concave portion 36a of the star wheel 36), the inner bag guiding device 34, and the inner bag 30 (the axis of the concave portion 32a of the inner bag supporting portion 32) are arranged substantially coaxially. In particular, as shown in FIG.
  • the inner bag guiding device 34 is made of metal so that the center hole of the metal container and the central hole of the inner bag guiding device 34 are more accurately coaxial with each other at the initial insertion of the inner bag 30.
  • the upper end of the container mouth and the side end of the inner bag guiding device 34 are brought into contact (or substantially in contact).
  • FIG. 8 at the end of insertion of the inner bag 30, between the upper end of the mouth of the metal container and the inner bag guiding device 34 so that the front end of the mouth of the inner bag 30 can slightly protrude from the metal container 20.
  • a gap Z of 5 to 15 mm is formed.
  • the initial insertion of the inner bag 30 refers to the time until a part of the inner bag 30 enters the metal container 20, and the final insertion of the inner bag 30 refers to the body portion of the inner bag 30 entering the metal container 20. Until the bottom of the inner bag 30 contacts the bottom of the metal container.
  • the first taper portion which is made of synthetic resin and has a thickness of 0.2 to 0.8 mm, particularly 0.4 to 0.6 mm, and reduces the diameter d1 (32.5 to 41 mm) of the inner bag ⁇ 55 degrees, particularly 48 degrees ⁇ ⁇ ⁇ 52 degrees is preferable.
  • the second tapered portion for reducing the diameter of the inner bag to the mouth portion S is preferably 20 degrees ⁇ ⁇ ⁇ 30 degrees, particularly 22 degrees ⁇ ⁇ ⁇ 28 degrees.
  • the metal container 20, the inner bag guiding device 34, and the inner bag 30 are arranged on a shaft in a state of being arranged in a straight line.
  • the inner bag 30 is inserted into the metal container 20 by moving the insertion rod 41 in the front-rear direction.
  • the inner bag 30 is largely deformed by the first taper portion 52, and thereafter, the elastic force of the inner bag 30 is lost by being deformed small by the second taper portion 53. And can be inserted into the metal container 20.
  • the metal container 20 is moved toward the inner bag guiding device 34 so that the upper end of the mouth of the metal container 20 and the downstream end of the inner bag guiding device 34 come into contact with each other.
  • the metal container 20 is moved by pushing the metal container 20 with the stopper 37 or moving the star wheel 36 itself in the axial direction.
  • the inner bag guiding device 34 may be moved.
  • the metal container 20 is moved from the inner bag guiding device 34 to the bottom side of the metal container so that a gap Z is formed.
  • the new inner bag 30 is configured to be supplied to the recess 32 a of the inner bag support portion 32 in synchronization with the pulling of the insertion rod 41.
  • it may be supplied from a line extending in a direction perpendicular to the insertion rod 41 (not shown). Since the inner bag 30 is inserted into the metal container 20 in this manner, the inner bag 30 is not cracked or the inner bag 30 is not crushed in the metal container 20.
  • the air in the inner bag 30 may be vacuumed.
  • the inner bag 30 can be reduced in diameter not only by the external force by the inner bag guiding device 34 but also by the suction force from the inside to the entire inner bag, so that the body portion of the inner bag 30 and the mouth portion of the metal container 20 It is possible to reduce the load on the inner bag 30 due to the contact.
  • the final stage refers to a stage where a part of the body portion of the inner bag 30 and the mouth portion of the metal container 20 are in contact. Therefore, even if the inner bag 30 is of a type that is inserted up to the bottom of the metal container 20, the inner bag 30 can be easily inserted.
  • FIG. 9 and 10 show other forms of inner bag insertion machines 12a and 12b that can be used in the apparatus 10 for manufacturing a double aerosol container of the present invention. These are different from the inner bag insertion dedicated machine 12 of FIG. 2 in the driving device for reciprocating the insertion rod 41 at a predetermined speed and a predetermined pressing force.
  • the inner bag insertion portion 33 a of the inner bag insertion dedicated machine 12 a in FIG. 9 includes an insertion rod 41 and a drive device having a pneumatic or hydraulic cylinder 48.
  • a piston 48 a is provided in the cylinder 48 so as to be movable in the axial direction in the cylinder and connected to the insertion rod 41.
  • the inner bag insertion portion 33 b of the inner bag insertion dedicated machine 12 b in FIG. 10 includes an insertion rod 41 and a drive device having a crank mechanism 54.
  • the crank mechanism 54 includes a motor 54a, a reduction gear 54b connected to the motor 54a, a connecting rod 54c whose base is connected to the reduction gear, a piston 54d connected to the tip of the connecting rod, and the piston in the axial direction.
  • a support cylinder 54e that is movably accommodated, and an insertion rod 41 is connected to the piston 54d.
  • the piston 54d By rotating the motor 54a, the piston 54d can be moved back and forth, and the insertion rod 41 can be reciprocated at a predetermined speed and a predetermined pressing force.
  • an electric actuator having a cylinder may be used as the drive device for the insertion rod 41.
  • the base of the insertion rod 41 is connected to a winding conductive element (belt, cable, wire, chain, etc.) wound in a ring around a direction changing member (pulley, sprocket, etc.), and the winding conductive element is rotated by a motor or the like.
  • the insertion rod may be reciprocated at a predetermined speed and a predetermined pressing force.
  • FIG. 11a and 11b show another embodiment of the inner bag guiding device that can be used in the double aerosol container manufacturing apparatus 10 of the present invention.
  • the tapered portion 55a on the inner surface is provided with a certain angle ⁇ .
  • Other configurations are substantially the same as the inner bag guiding device 34. This is not suitable when the inner bag 30 is largely deformed because the tapered portion 55a has a constant angle ⁇ .
  • the diameter d1 (20 to 23 mm) of the inner bag made of synthetic resin and having a thickness of 0.2 to 0.8 mm, particularly 0.4 to 0.6 mm is applied to the mouth S (18 to 22 mm) of the metal container.
  • the taper portion When the diameter is reduced, the taper portion is set to 20 ° ⁇ ⁇ ⁇ 30 °, particularly 22 ° ⁇ ⁇ ⁇ 28 °, so that the inner bag 30 made of synthetic resin does not cause plastic deformation in the metal container 20. Can be inserted.
  • the inner bag guiding device 57 in FIG. 11b includes an inner surface including a cylindrical portion 57a and a tapered portion 57b, and a stepped portion 57c formed between the cylindrical portion 57a and the tapered portion 57b.
  • the stepped portion 57c may not be provided.
  • the outer diameter D1 of the body of the metal container is 50 mm ⁇ D1
  • the outer diameter S of the mouth of the metal container is 25 mm ⁇ S
  • the outer diameter d1 of the inner bag is 35 mm ⁇ What is d1 is preferable.
  • the angle ⁇ of the tapered portion is preferably 20 degrees ⁇ ⁇ ⁇ 30 degrees, and particularly preferably 22 degrees ⁇ ⁇ ⁇ 28 degrees.
  • Such a cylindrical portion 57a may be provided in the opening on the insertion rod side of the inner bag guiding device 34 of FIG.
  • FIGS. 12a and 12b are diagrams showing an example of an inner swallow type double aerosol container manufactured by the method for manufacturing a double aerosol container according to the present invention.
  • the inner double-type aerosol container 1A includes a metal container 20 and an inner bag 30 inserted into the metal container.
  • the metal container 20 is provided with a constricted portion 20c formed by bringing a roll into contact with the outer periphery of the lower end of the shoulder portion 20a, the mouth portion 20b, and the mouth portion 20b formed by necking, and further narrowing a part of the mouth portion.
  • the inner bag 30 includes a body portion 30a and a mouth portion 30b having substantially the same diameter, and is made of a synthetic resin having a bellows 30c formed at the upper end of the body portion 30a. However, the bellows 30c may not be formed.
  • the thickness is 0.2 to 0.8 mm, especially 0.4 to 0.6 mm.
  • Synthetic resins are manufactured using materials such as polyethylene, low-density polyethylene, high-density polyethylene or polyolefin resins such as polypropylene, nylon and other polyamide resins, or polyvinyl chloride resins, and are composed of a single layer or multiple layers. . In the case of a multilayer, it is preferable to use a vinyl acetate alcohol copolymer in the intermediate layer or any one of the layers. Further, when the inner bag body and the mouth portion are substantially the same as described above, the outer diameter of the mouth portion of the metal container and the inner diameter of the inner bag body and the mouth portion are substantially the same. It is comprised so that it may become.
  • the inner bag 30 is inserted into the metal container 20 by the method described above. At this time, the mouth end 30d of the inner bag 30 protrudes 3 to 8 mm, particularly 5 to 6 mm, from the metal container 20 (see FIG. 12a). Before inserting the inner bag, the roll may be brought into contact with the outer periphery of the mouth portion, and a portion of the mouth portion may be further squeezed to form the constricted portion 20c. Thereafter, after the inner bag 30 is filled with the contents, the valve 61 is inserted from the mouth portion 20b of the metal container. Thereby, the inner bag 30 is pressed and the bellows 30c shrinks. The top surface of the valve 61 is covered with a plate-like packing 62 and a top plate 63.
  • the valve 61 is placed on the constricted portion 20c of the metal container 20, and the tip 20d of the mouth of the metal container is connected to the valve. It is crimped by being bent inward on the top plate 63 of 61. Simultaneously with the fixing of the valve 61, the propellant is filled, and the double aerosol container 1A is manufactured.
  • 13a and 13b are views showing an example of an outer swallow type double aerosol container manufactured by the method for manufacturing a double aerosol container according to the present invention.
  • 13a and 13b includes an outer bag-type double aerosol container 1B, which includes a metal container 20 and an inner bag 30.
  • the shoulder 20a the shoulder 20a
  • the mouth portion 20b is formed, a roll is brought into contact with the outer periphery of the middle portion of the mouth portion 20b, a part of the mouth portion is squeezed further deeply to form the constricted portion 20c, and then the body portion 30a and the mouth portion 30b are provided.
  • the bag 30 is inserted.
  • the inner bag 30 has a body portion 30a and a mouth portion 30b having substantially the same diameter.
  • the inner bag 30 is not provided with a bellows in the drawing, but may be an embodiment provided with a bellows.
  • the mouth end 30d of the inner bag 30 protrudes from the metal container 20 by 3 to 8 mm, particularly 5 to 6 mm.
  • the inner bag 30 has a thickness of 0.2 to 0.8 mm, particularly 0.4 to 0.6 mm.
  • Synthetic resin is manufactured using materials such as polyethylene, low density polyethylene, polyolefin resin such as high density polyethylene or polypropylene, polyamide resin such as nylon, or polyvinyl chloride resin, and is composed of a single layer or multiple layers. .
  • the valve 71 is inserted from the mouth portion 20c of the metal container and placed on the binding portion 20c.
  • a packing 72 is placed on the top surface of the valve 71, and an upper lid 73 is placed on the packing 72, and a distal end portion 73a of the upper lid 73 is crimped from the outside to the tie portion 20c of the metal container to fix the valve 71.
  • the double aerosol container 1B filled with the propellant simultaneously with the fixing of the valve 71 is manufactured.
  • the inner bag of FIGS. 12 and 11 has a body portion and a mouth portion having substantially the same diameter, but the mouth portion is smaller in diameter than the body portion, for example, as in the inner bag 30 of FIG. There may be.
  • FIG. 14 shows a double-type double aerosol container 75 connected to the double aerosol container 1A of FIG.
  • the double aerosol container 1 ⁇ / b> A is connected by a cover member 76.
  • the stems 61 a of the valves 61 of the two double aerosol containers are respectively fitted in the communication holes 77 of the cover member 76 and connected to the push button 78.
  • the push button 78 By pressing the push button 78, the contents filled in the double aerosol container 1A are discharged in a mixed state.
  • a hair dye 1 and a hair dye 2 constituting a hair dye are filled in each double aerosol container 1A.
  • A1 to A3 containers 1A Inner swivel type double aerosol container 1B Outer swallow type double aerosol container 10 Manufacturing apparatus for double aerosol container 11 Necking machine 12, 12a, 12b Inner bag insertion dedicated machine 13 Conveyor 14 Washer 20 Metal container 20a Shoulder portion 20c Bending portion 20d Tip portion 21 Rotating disc 22 Reciprocating disc 23 Container holder 23a to c Container holder 24 Necking processing station 24a to 24b Mold 25 Crankshaft 26a Supply line 26b Unloading line 30 Inner bag 30a Body portion 30b Mouth portion 30c 30d bellows 30d mouth end 31 container holding part 32 inner bag support part 32a concave part 33, 33a, 33b inner bag insertion part 34 inner bag guiding device 34a holder 36 star wheel 36a concave part 36b one of the positions 37 stopper 41 insertion rod 42 cam Mechanism 44 Rotating shaft Drum cam) 45 Actuating shaft 46 Groove portion 47 Mover 48 Hydraulic cylinder 48a Piston 49a Compressor 49b Switching valve 51 Tap

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
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PCT/JP2011/053026 2010-09-14 2011-02-14 二重エアゾール容器の製造方法、二重エアゾール容器、および、二重エアゾール容器の製造装置。 WO2012035792A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2011507749A JP4773590B1 (ja) 2011-02-14 2011-02-14 二重エアゾール容器の製造方法、二重エアゾール容器、および、二重エアゾール容器の製造装置。
CN201180000101.3A CN102523742B (zh) 2010-09-14 2011-02-14 双气溶胶容器的制造方法、双气溶胶容器及其制造装置
KR1020117006324A KR101289254B1 (ko) 2010-09-14 2011-02-14 2중 에어졸 용기의 제조 방법, 2중 에어졸 용기, 및 2중 에어졸 용기의 제조 장치

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JP2010206081A JP4648501B1 (ja) 2010-09-14 2010-09-14 二重エアゾール容器の製造方法、二重エアゾール容器、および、二重エアゾール容器の製造装置

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JP6055624B2 (ja) * 2012-08-01 2016-12-27 武内プレス工業株式会社 二重エアゾール容器及び二重エアゾール容器の製造方法
JP6807146B2 (ja) * 2015-02-13 2021-01-06 株式会社ダイゾー 多層ボトル製品の製造方法および該製造方法により製造された多層ボトル製品
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JP6543299B2 (ja) * 2017-06-27 2019-07-10 株式会社三友機械製作所 缶胴ワークのエキスパンド成形装置
CN111482522B (zh) * 2020-04-10 2021-11-26 曾怀聪 一种铁罐压制防滑纹上料装置
CN116037800B (zh) * 2022-12-28 2023-08-04 中山威习日化科技有限公司 一种气雾剂瓶装罐成型的组合加工工艺

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JP4648501B1 (ja) 2011-03-09
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KR101289254B1 (ko) 2013-07-24
KR20120037904A (ko) 2012-04-20
JP2012062074A (ja) 2012-03-29

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