JP2009196688A - Liquid filling apparatus to aerosol can - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lightweight and inexpensive device which can fill a liquid such as a curative agent or the like into an aerosol can filled with a compressed gas. <P>SOLUTION: A liquid filling apparatus 1 includes a container holding part 2 to hold a container 5 storing a liquid detachably, an outer frame holder 3 which has a shape following the side face of the aerosol can 6, installs the aerosol can 6 detachably without displacement of the axis 6b of the aerosol can 6, and is provided with the container holding part 2 at a position where the tip of the injecting stem 6a of the aerosol can 6 and the liquid extraction tip 5c of the container 5 can be in contact, and an operation mechanism 4 to give an extruding force to a piston rod 4a which is fixed to the end of the outer frame holder 3 and has the piston rod 4a pushes out a liquid stored in the container 5. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an aerosol can filling apparatus, and more particularly to an apparatus for filling an aerosol can filled with a compressed gas with a liquid.

  In general, one-component paints often have weaker coating strength and take longer to dry than two-component paints such as acrylic silicone, polyurethane, or epoxy. Therefore, there is a great need to use a two-component paint. There is also a need to simply paint like an aerosol can. However, in the case of a two-component paint, since it is necessary to mix a curing agent immediately before use, it is not preferable to pre-fill the curing agent at the time of factory manufacture of the aerosol can. Therefore, in order to provide an aerosol can using a two-component paint, a device for mixing the curing agent immediately before use is required.

Under such circumstances, Patent Document 1 discloses that an aerosol can filled with a paint is connected to another aerosol can filled with a curing agent having an internal pressure higher than that of the aerosol can with a nozzle, and cured. A set for filling the aerosol can with the agent is disclosed.
JP 2001-206466 A Japanese Patent Publication No.49-40676 Registered Utility Model No. 3041821 JP 2000-79975 A Japanese translation of PCT publication No. 2002-516796 Japanese Patent Laid-Open No. 2004-5015

  However, in the case of the set described in Patent Document 1, an aerosol can filled with a curing agent must be manufactured separately, and must be mass-produced, leading to an increase in cost. Therefore, an instrument that can be filled with a curing agent at a low cost is required. Furthermore, since it is desirable to fill the curing agent immediately before coating, a device for filling the curing agent is required to be compact and lightweight. In addition, there is a demand for filling filled aerosol cans with other liquids such as other paints for coloration in addition to the curing agent.

  In the apparatus shown in FIG. 1 of Patent Document 2, an aerosol can is attached to the Torg mechanism (64) to be raised, and the piston is pushed down by an operating mechanism (46) including a hydraulic cylinder piston assembly to fill the spray material. (The code in parentheses indicates the code in the patent document. The same applies hereinafter). The apparatus described in Patent Document 2 is very large and cannot be diverted to an apparatus that simply fills the curing agent.

  Unlike the apparatus described in Patent Document 2, the apparatus described in FIG. 1 of Patent Document 3 does not have a mechanism for raising the aerosol can. However, the liner (1) for holding the accommodating portion (1a) for accommodating the viscous liquid, the cylindrical member (3) for accommodating the liner (1), and the base for inserting the cylindrical member (3) A plate (6), a base side plate (7) for fixing the base plate (6), and the like are required. Thus, the apparatus described in Patent Document 3 has a large number of special parts and is not provided at low cost. Also, the device itself is large and does not meet the requirements of light weight and compactness. In the first place, as shown in FIG. 2B and paragraph 0011 of Patent Document 3, an aerosol can that can be filled with a viscous liquid by the apparatus of Patent Document 3 is provided with a valve ( 44). In general, since there are many types of aerosol cans that open a valve by pushing down the stem of the aerosol can, the apparatus described in Patent Document 3 has poor versatility.

  FIG. 2 of Patent Document 4 discloses an apparatus for filling a paint for coloring. In the device of Patent Document 4, as described in Paragraph 0023, Paragraph 0029, and Paragraph 0031 of Patent Document 4, the stem (2) of the aerosol can is first opened, and a connector ( C) must be connected to the stem (2) and the nozzle (N). However, in this way, the work of opening the stem (2) of the aerosol can in advance has a risk of scattering of the contents. Moreover, in the apparatus of patent document 4, the element which leads to a cost increase is included, such as the connection tool (C) which has a non-return valve must be manufactured specially. Moreover, when a hardening | curing agent is used as the liquid to be filled, there is a possibility that the vicinity of the check valve is hardened by mixing the paint sprayed from the aerosol can and the hardening agent. The connector (C) may be disposable, but it is very troublesome to handle such a small connector (C) at the painting site.

  The apparatus described in FIG. 1 of Patent Document 5 is an apparatus for filling a special spray can (12) with a spray agent and a gas, and has a different purpose from the present invention.

  In contrast to the above-described prior art, the present inventor, as shown in Patent Document 6, uses a pressure cylinder that applies an injection nozzle (16) of an aerosol can (17) to a liquid reservoir cylinder by a pressing force applied to an injection rod (2). Invented a device for injecting liquid while the injection port (13) attached to (7) pushed down the stem (16). However, the apparatus described in Patent Document 6 has many special parts and is complicated, and is mainly made of metal. Therefore, there are still problems in terms of cost and weight.

  Therefore, an object of the present invention is to provide a liquid such as a curing agent, a paint for color scheme, an anti-settling agent, a dispersant, a surfactant, a perfume, a cleaning agent, and an alcohol-based detergent for an aerosol can filled with a compressed gas. It is providing the apparatus which can be filled with low cost and light weight.

  In order to solve the above problems, the present invention has the following features. The present invention is an apparatus for filling a liquid into an aerosol can filled with compressed gas, a container holding part for removably holding a container for containing the liquid, and a side surface of the aerosol can A position where the aerosol can is removably placed so that the axis of the aerosol can does not shake and the tip of the spraying stem of the aerosol can and the liquid extraction tip of the container can be brought into contact with each other An outer frame holder for installing the container holding portion on the end, and a piston rod attached to the end of the outer frame holder for extruding the liquid contained in the container, and giving a pushing force to the piston rod An operation mechanism unit.

  Preferably, the container holding part may hold the container so as to be movable in the left-right direction along the axis by a pushing force from the piston rod.

  Preferably, the actuating mechanism section may push the piston rod backward by the length at which the valve of the aerosol can is closed after pushing the piston rod to a position where the extraction of the liquid contained in the container is substantially completed.

  Preferably, the actuating mechanism section may include a trigger type pushing mechanism in which the piston rod pushes up every time the lever is gripped.

  Preferably, the actuating mechanism portion is disposed behind the first elastic member, a gripping body having a pivotable lever, penetrating the piston rod, a first elastic member through which the piston rod is inserted, and The piston rod is inserted, and the locking member that is locked to one end of the lever and the first stopper of the gripper and is always pressed backward by the first elastic member, and the rear portion of the piston rod are inserted. The second elastic member, and a retraction restricting member that is disposed at one end of the second stopper of the gripping body and tilted rearward of the second elastic member while inserting the piston rod. It is good to have.

  Preferably, the piston rod has a retreating member that comes into contact with the retraction restricting member when pushed up to a position where the liquid extraction is substantially completed.

  Preferably, the container has a lid member that can be pushed by the piston rod.

  Preferably, the outer frame holder is substantially semi-tubular.

  Preferably, the outer frame holder may have a shape in which a part of a pipe is cut out so that an aerosol can can be taken in and out.

  Preferably, the container holding part has a cylindrical shape having an outer diameter substantially the same as the inner diameter of the outer frame holder.

  Preferably, the container holding part includes a hole part having an inner diameter substantially the same as the outer diameter of the container, and the container is a convex part for restricting the injection stem from being inserted into the hole part more than being pushed down. It is good to have.

  Preferably, the container holding part may further include an elastic part that applies a repulsive force when the inserted container is pushed forward.

  Preferably, the elastic part has a guide frame body that can slide in the container holding part and can be pushed in response to the pushing of the container, and a spring that applies a repulsive force to the guide frame body in the container holding part. Good.

  Preferably, the liquid is a curing agent.

  Further, the present invention is a container detachable from the container holding part of the liquid filling device, a storage part for storing the liquid, a liquid extraction path for extracting the liquid stored in the storage part, And a liquid extraction tip that is in contact with the tip of the spray stem of the aerosol can.

  Further, the present invention is a manufacturing method for manufacturing an aerosol can, the step of attaching a container containing a liquid to a container holding unit with respect to the liquid filling device, and the liquid filling device, A step of attaching the aerosol can to the outer frame holder, and a step of operating the operating mechanism to push the piston rod and filling the liquid contained in the container.

  Moreover, this invention is a method of coating articles | goods using the aerosol can manufactured using the said manufacturing method.

  According to the present invention, since the outer frame holder having a shape along the side surface of the aerosol can is used, the liquid filling apparatus can be provided at low cost. In addition, since the container is held by the container holding part so that it can be moved left and right, it can be used for any type of aerosol can, whether it is a type that pushes down the injection stem or a type that does not push down the injection stem. However, it can be filled with liquid and is versatile. Further, when the liquid extraction is substantially completed, the piston rod moves backward and returns, so that the valve of the aerosol can can be closed and the contents can be prevented from scattering.

  If a trigger-type push-out mechanism is employed as the operating mechanism, the liquid can be easily filled. In some cases, since a sealing gun can be used, it is possible to provide a liquid filling apparatus at a very low cost. By using an operating mechanism that includes a lever, a gripper, a first elastic member, a locking member, a second elastic member, and a retraction restricting member, the liquid can be reliably filled while preventing the contents from scattering. Can do. In a specific embodiment, the retraction member is provided, and when the liquid filling is substantially completed, the piston rod moves backward to reliably prevent the contents from being scattered. If the container is provided with a lid member, it is possible to prevent the liquid from leaking due to the shaking of the piston rod.

  If the outer frame holder has a substantially semi-tubular shape or a shape in which a part of the pipe is hollowed out, the aerosol can can be firmly held, and a shift during filling can be reliably prevented. The container for storing the liquid may be disposable or reused. The container itself can be provided very inexpensively.

  If the cylindrical container holding part is used, the container holding part can be easily installed, and the container can be prevented from being shaken when pressed by the piston rod. As a result, the injection leakage from the aerosol can is prevented. be able to. If a hole for inserting the container is provided in the container holding part, the container is hardly shaken. If the container is provided with a convex part for restricting insertion of the injection stem into the hole more than the injection stem is pushed down, the container will push the injection stem even if the container is excessively pushed. It is possible to prevent continuing, and as a result, it is possible to prevent jet leakage from the aerosol can and damage to the aerosol can. By providing an elastic part that applies a repulsive force to the container in the container holding part, it is possible to prevent the container from applying an excessive pushing force to the injection stem. Furthermore, when filling is completed, the container is pushed back, and the valve of the aerosol can is closed, thereby preventing injection leakage. In addition, it is possible to prevent the injection stem from being inadvertently pushed down during installation on the outer frame holder. By providing a spring that applies a repulsive force to the guide frame in the container holding portion, a configuration that applies a repulsive force to the container is realized.

  By using the production method of the present invention, an aerosol can containing a curing agent can be produced very simply immediately before painting or before departure to the painting site. If coating is performed using an aerosol can containing a curing agent obtained by the production method of the present invention, the coating film is strengthened and the drying time can be shortened.

  These and other objects, features, aspects and advantages of the present invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.

(First embodiment)
FIG. 1 is a diagram showing a configuration of a liquid filling apparatus 1 according to the first embodiment of the present invention. The liquid filling apparatus 1 includes a container holding unit 2, an outer frame holder 3, and an operation mechanism unit 4. FIG. 2 is a view of the container holding unit 2 when viewed from another angle.

  The container 5 is a container for storing liquids (including viscous liquids; the same applies hereinafter) such as curing agents, paints for color schemes, anti-settling agents, dispersants, surfactants, perfumes, cleaning agents, and alcoholic detergents. . As shown in FIG. 8A described later, the container 5 includes a storage portion 5a, a liquid extraction path 5b, and a liquid extraction tip portion 5c. The storage part 5a is provided in the cylindrical trunk | drum, and stores a liquid. The liquid extraction path 5b is a passage for extracting the liquid stored in the storage portion 5a, and is provided in the tip body portion having a truncated cone shape. The liquid extraction tip 5c has a cylindrical tubular recess having a size that comes into close contact with the tip of the spray stem 6a of the aerosol can 6. The thickness of the liquid extraction path 5 is thinner than the thickness of the concave portion. The aerosol can 6 is filled with compressed gas. As an example, when the capacity of the aerosol can 6 is 330 ml, the paint is halved and the compressed gas is halved. In such a case, if a curing agent is used as the liquid, about 7 ml of the curing agent is used. What is necessary is just to determine the capacity | capacitance of the container 5 according to the quantity of a hardening | curing agent.

  As shown in FIG.1 and FIG.2, the container holding | maintenance part 2 contains the fitting member 2a and the attachment base 2b. The fitting member 2a is attached on the attachment base 2b. The central angle of the arc of the cross section of the fitting member 2a is greater than 180 degrees. The inner diameter of the cross section of the fitting member 2 a is substantially the same as or slightly larger than the outer diameter of the container 5. Therefore, the fitting member 2a can hold | maintain the container 5 so that a left-right movement is possible. The attachment table 2 b is attached to the outer frame holder 3. In the outer frame holder 3, the axis of the container 5 is disposed on the axis 6b (axis passing through the injection stem 6a) of the aerosol can 6, and the injection stem 6a and the liquid extraction tip 5c abut. The attachment base 2b of the container holding part 2 is installed at the position.

  The outer frame holder 3 has an arc shape with a continuous cross-sectional shape. In the example shown in FIGS. 1 and 2, the outer frame holder 3 is formed of a substantially semi-tubular member. The outer frame holder 3 includes an aerosol can restricting member 3a, a left surface portion 3b, and a right surface portion 3c. The aerosol can restricting member 3a has a shape along the outer diameter of the aerosol can 6 so that the axis 6b of the aerosol can 6 does not shake. The left surface portion 3b does not have to be a complete surface, and is a member that holds down the bottom surface of the aerosol can 6 so that at least the aerosol can 6 does not move in the left direction in FIG. The right surface portion 3 c is a member for attaching the operation mechanism portion 4. The right surface portion 3c has a through hole that is not visible in the drawing on at least the shaft core 6b so as to allow the piston rod 4a to pass therethrough. In this way, the outer frame holder 3 detachably mounts the aerosol can 6 so that the axis 6b of the aerosol can 6 does not shake. The aerosol can 6 may be placed on its side with the liquid filling device 1 lying down, or the aerosol can 6 may be upright with the liquid filling device 1 standing (the left side 3b down). May be placed.

  The actuating mechanism 4 is attached to the end of the right surface 3 c of the outer frame holder 3. The operating mechanism section 4 includes a piston rod 4a, a gripping body 4b having a lever 4c, a first elastic member 4e, a locking member 4f, a second elastic member 4g, and a retraction restricting member 4h.

  The piston rod 4a penetrates the grip body 4b and the right surface portion 3c so as to be on the axis 6b of the aerosol can 6. The piston rod 4a has a pushing surface portion 4i inserted into the container 5 and a retreating member 4j. The outer diameter of the extrusion surface portion 4 i is substantially the same as or slightly larger than the inner diameter of the storage portion 5 b of the container 5. The extrusion surface portion 4i may be a member that prevents liquid leakage and can slide inside the storage portion 5b, such as rubber or silicon. In addition, the shape of a well-known piston cup can be adopted for the extrusion surface portion 4i. The function of the retreating member 4j will be described later with reference to FIGS.

  The lever 4c is attached to the holding body 4b so as to be rotatable about the fulcrum P1. The first elastic member 4e is typically a spring, but may be an elastic member such as rubber. The 1st elastic member 4e is provided so that the piston rod 4a may be penetrated in the holding body 4b. The locking member 4f is a rectangular member having a hole through which the piston rod 4b passes. The locking member 4f is locked by a locking portion P2 provided on the gripping body 4b and a locking portion P3 provided at one end of the lever 4c, and is always pressed backward by the first elastic member 4e.

  The second elastic member 4g is typically a spring, but may be an elastic member such as rubber. The second elastic member 4g is inserted through the rear part of the piston rod 4b. The receding restricting member 4h is a rectangular member whose tip having a hole for penetrating the piston rod 4b is bent in a dogleg shape. One end of the retraction restricting member 4h is locked to a stopper P4 provided on the gripping body 4b. The retraction restricting member 4h is always pressed backward by the second elastic member 4g. Since the retraction restricting member 4 is locked only at one point of the stopping portion P4, it is arranged to be inclined as shown in FIG. Since the retreat restricting member 4h is disposed at an inclination, a force is applied to the piston rod 4b in the vertical direction by the pressing force of the hole drilled in the retreat restricting member 4h and the second elastic member 4g. It will be. Therefore, the retraction restricting member 4h can restrict the retraction of the piston rod 4b. In order to move the piston rod 4a backward, it is only necessary to release the backward restriction by pushing the square-shaped portion of the backward restriction member 4h and pull out the piston rod 4a.

  FIG. 3 is a diagram showing a state when the lever 4c is gripped. FIG. 4 is an enlarged view showing how the piston rod 4a moves. As shown in FIG. 3, when the lever 4c is gripped, a force for pushing the locking member 4f is applied via the stopper P3. At that time, as shown in FIG. 4, the locking member 4 f advances while being inclined. For this reason, the hole 4fa provided in the locking member 4f sandwiches the piston rod 4a. Therefore, the locking member 4f pushes the piston rod 4a. When the piston rod 4a is pushed forward, the container 5 is also pushed up by the internal pressure of the liquid contained in the vessel 5 and the frictional force between the pushing surface portion 4i and the vessel 5, and accordingly, the injection stem 6a of the aerosol can 6 is moved. The aerosol can 6 is filled with the liquid in the container 5 by being pushed down.

  When the grip of the lever 4c is released, the locking member 4f returns to the direction of the arrow shown in FIG. At that time, since the retraction restricting member 4h exists, only the locking member 4f returns to the original position, and the piston rod 4a does not retreat. In the state of FIG. 3, the liquid of only the width D remains in the container 5 later. The width D is a width that allows the liquid extraction to be almost completed once the lever 4c is gripped. At the stage where the filling of the liquid is completed by the remaining one grip, the retreating member 4j comes into contact with the retreating restricting member 4h. The retreating member 4j may be slightly separated from the retreat restricting member 4h. For example, the retracting member 4j may be attached to the piston rod by welding, or the retracting member 4j may be attached to a thread groove cut into the piston rod 4a using the retracting member 4j as a nut. When the retracting member 4j is attached to the thread groove cut into the piston rod 4a, the position of the retracting member 4j can be finely adjusted.

  FIG. 5 is a diagram showing a state when the piston rod 4a is pushed up to a position where the liquid extraction is completed. As shown in FIG. 5, the piston rod 4a is pushed forward by the remaining width D by grasping the lever 4c. Thereby, the filling of the liquid is completed. In the stage of FIG. 3, the retreating member 4j is substantially in contact with the retreating restricting member 4h. Therefore, at the stage shown in FIG. 5, the retreating member 4j abuts on the retreating restriction member 4h, and pushes the retreating restriction member 4h while contracting the second elastic member 4g. Therefore, when the piston rod 4a is pushed up to a position where the liquid extraction is substantially completed and the lever 4c is released, the piston rod 4a is moved back by the amount of the pushing-back regulating member 4h pushed up. Thereby, the injection stem 6a of the aerosol can 6 is pushed up, and the valve in the aerosol can 6 is closed. If the retreating member 4j is provided at the rear of the piston rod 4a so as to come into contact with the retraction restricting member 4h at least when it is pushed to a position where the liquid extraction is substantially completed, the liquid extraction is substantially completed. At this stage, the piston rod 4a can be returned to the rear, and the injection of the contents from the aerosol can 6 can be prevented.

  Furthermore, the state of liquid filling will be described in detail. FIG. 6 is a cross-sectional view showing a state in which the container 5 is mounted on the container holding unit 2 and the tip of the spray stem 6a of the aerosol can 6 and the liquid extraction tip 5c are brought into contact with each other. Liquid filling starts from the state shown in FIG. As shown in FIG. 6, the injection stem 6 a has a content injection path 104 and a passage 102. Since the upward force is always applied to the injection stem 6 a by the spring 101, the passage 102 is closed by the packing 103. FIG. 7 is a cross-sectional view showing a state when the container 5 is pushed forward. As shown in FIG. 7, when the container 5 is pushed forward, the injection stem 6a is pushed down and the passage 102 is opened. Therefore, the liquid extracted from the liquid extraction path 5 b is filled into the aerosol can 6 through the content injection path 104 and the passage 102.

  FIG. 8 is a diagram showing in detail how the container 5 moves from the start to the end of the liquid filling. As shown in FIG. 8A, the aerosol can 6 and the container 5 are installed so that the injection stem 6a and the liquid extraction tip 5c come into contact with each other at the liquid filling start stage. As shown in FIG. 8B, when the piston rod 4a is pushed, the extrusion surface portion 4i pushes out the liquid, and the container 5 pushes down the injection stem 6a to fill the liquid. At this time, since the valve of the aerosol can 6 (the passage 102 is separated from the packing 103; the same applies hereinafter) is in an open state, pressure for injecting the contents is applied to the container 5 from the aerosol can 6. It will be. However, the piston rod 4a cannot be retracted by the retraction restricting member 4h, and a pushing force is applied to the piston rod 4a, so that a pressure equal to or higher than the injection pressure of the content is applied to the extrusion eyes 4i. Will be. Even in a state where the lever 4c is not gripped, the piston rod 4a cannot be moved backward by the backward movement restricting member 4h, so that a pressure equal to or higher than the injection pressure of the contents is applied to the pushing eye portion 4i. Therefore, the contents are prevented from being ejected.

  As shown in FIG. 8C, when the liquid filling is completed, the ejection stem 6a is pushed down. As shown in FIG. 8D, when the filling of the liquid is completed and the lever 4c is released, the piston rod 4a moves backward by at least the valve closing. The container 5 is raised by the pressure of the spring 101 and the return force of the piston rod 4a, and the valve of the injection stem 6a is closed. In FIG. 8D, the state in which the container 5 is separated from the injection stem 6a is exaggerated, but it is sufficient that the container 5 is separated from the injection stem 6a at least by the distance at which the valve is closed.

  The liquid filling apparatus 1 can be manufactured by diverting a generally used sealing gun. In particular, the outer frame holder 3 and the operation mechanism unit 4 have a structure employed in a general sealing gun. However, although it is clearly stated that no misunderstandings occur, it does not admit that it is easy to divert the sealing gun to the present invention from the viewpoint of creation of the invention. The present invention is born by changing the concept, and diverting the sealing gun to the liquid filling apparatus 1 is not easily conceivable even by those skilled in the art. General sealing guns are produced in large quantities and can be purchased for several hundred yen in the market. For a general sealing gun, the aerosol can regulating member 3a is simply manufactured by any known method such as deforming the resin, and the container holding part 5 is placed at an appropriate position of the outer frame holder 3 with an adhesive or the like. The liquid filling device 1 can be manufactured by attaching the push-out surface portion 4i to the tip of the piston rod 6a and providing the retracting member 4j at an appropriate location behind the piston rod 6a. The outer frame holder 3 may be manufactured by processing a PVC pipe or the like substantially the same as the outer diameter of the aerosol can 6. In this case, the aerosol can restricting member 3a is not necessary. Moreover, since the container holding | maintenance part 2 and the container 5 can be manufactured by resin molding or a simple metal bending process, they can be manufactured at low cost.

  Thus, the liquid filling apparatus 1 can be manufactured at a very low cost, and the merit in terms of cost is very excellent as compared with any conventional apparatus. Therefore, when using a filler as a liquid, an operator can carry out painting after bringing his / her liquid filling apparatus 1 and filling the filler at the painting site. Moreover, since the apparatus itself is very simple, the weight is reduced. In fact, the liquid filling device 1 prototyped by the inventor was less than 1 kilogram with the container 5 and the aerosol can 6 removed. There has never been a liquid filling apparatus 1 that is practical and excellent in terms of cost and weight.

  In the first embodiment, when the lever 4c is grasped twice, the extraction of the liquid contained in the container 5 is completed. However, the liquid contained in the container 5 can be extracted only by grasping the lever 4c once. The extraction may be completed. For this purpose, the shape of the gripping body 4b may be changed so as to increase the movable distance of the locking member 4f, or the bottom area of the reservoir 5a in the container 5 is increased to reduce the height. Alternatively, any other method can be used to complete the liquid extraction with a single grasp. Of course, it may be designed so that the extraction of the liquid is completed by holding it three or more times. Further, it is not necessary to completely grip the lever 4c by one gripping operation, and the lever 4c may be gripped little by little.

  In the first embodiment, in order to make the operation mechanism unit 4 simple, a trigger type push-out mechanism in which the piston rod 6a pushes up every time the lever 4c is gripped is adopted. Is not limited to this. For example, a mechanism in which a piston rod is pushed out by combining a handle and a gear may be used. Alternatively, a mechanism that directly pushes out the piston rod by hand may be used. In any case, the actuating mechanism is attached to the end of the outer frame holder, has a piston rod for pushing out the liquid contained in the container, and a mechanism for giving a pushing force to the piston rod. If it is.

  A more effective actuating mechanism is a mechanism that, when the piston rod is pushed up to a position where the extraction of the liquid contained in the container is substantially completed, moves the piston rod backward by a length at least closing the valve of the aerosol can. It is good to have. For example, when a mechanism that directly pushes out the piston rod by hand is employed, a stopper member is provided at a predetermined position of the piston rod, and a spring is attached between the outer frame holder and the piston rod stopper member, When the piston rod is completely pushed, a mechanism may be adopted in which the end surface of the outer frame holder and the stopper member come into contact with each other and the piston rod is returned by the spring. That is, as described in Patent Document 6, a mechanism for returning the cylinder may be employed. Whether or not the extraction of the liquid is completed depends on the amount of the required liquid, so even if the liquid remains, the extraction of the liquid may be completed. It does not mean that there is no liquid inside.

  FIG. 9 is a view showing a modified example of the container 5. As shown in FIG. 9, the container 5 may further include a lid member 5d. The lid member 5d is pushed forward by the piston rod 4a. The piston rod may be shaken when pushed forward as shown by the arrow shown in FIG. If the piston rod 4a is shaken, the extrusion surface portion 4i may be displaced, and the liquid may leak out. The lid member 5d can absorb the shake of the piston rod 4a and prevent liquid leakage.

  6 and 7, the state in which the liquid is filled in the aerosol can 6 of the type in which the injection stem 6a is pushed down has been described. However, the aerosol can 6 used in the present invention may be of other types. FIG.10 and FIG.11 is a figure which shows the mode at the time of filling with a liquid using the aerosol can 6 of another type. In FIG. 10, the valve member 205 is pushed up by the elastic force of the spring 203 and is brought into close contact with the valve seat 202 of the injection stem 6a. Therefore, the contents are not ejected. Moreover, the injection stem 6a does not move. As shown in FIG. 11, when the piston rod 4 a is pushed down, the liquid from the container 5 enters the content ejection path 201 by the pressure applied from the piston rod 4. The valve member 205 is pushed down by the pressure of the liquid, and the liquid is filled. Thus, in this invention, since the container 5 is arrange | positioned so that it may contact | abut with the front-end | tip of an injection stem, it can be filled with a liquid, without being limited to the kind of aerosol can, and it is rich in versatility.

  The container 5 may be disposable or reused. Since the check valve is not used as in the prior art, there is no problem that the check valve does not function due to curing. However, use of a check valve for the container 5 is not denied, and it goes without saying that a check valve may be adopted for the container 5.

(Second Embodiment)
FIG. 12 is a diagram showing the configuration of the liquid injection device 10 according to the second embodiment of the present invention. As shown in FIG. 12, the liquid filling apparatus 10 includes a container holding unit 20, an outer frame holder 30, and an operation mechanism unit 4. The outer frame holder 30 has a shape in which a part of a pipe made of polyvinyl chloride or the like is cut out so that the aerosol can 6 can be taken in and out, and is substantially semi-tubular. The container holding part 20 has a cylindrical shape having an outer diameter substantially the same as the inner diameter of the outer frame holder 30. Since the operation mechanism unit 4 is the same as that of the first embodiment, detailed description thereof is omitted. In the second embodiment, the retracting member 4j has a shape different from that of the first embodiment, but has the same function as that of the first embodiment.

  A hole 22 a having an inner diameter substantially the same as the outer diameter of the substantially cylindrical container 50 is drilled in the container holding part 20. The container 50 has a convex portion 53a for restricting the injection stem 6a from being inserted into the hole portion 22a more than being pushed down. The container 50 is inserted into the hole 22a of the container holding part 20, the head of the aerosol can 6 is inserted into the hole 21a, and the aerosol can 6, the container holding part 20, and the container 50 are installed on the outer frame holder. Thereby, the stem 6a for injection and the liquid extraction front-end | tip part 54a of the container 50 contact | abut. When the piston rod 4 a is pushed using the operating mechanism portion 4, the tip portion 43 comes into contact with the extraction rod fixing portion 51, and the piston / container lid portion 52 is pushed forward and accommodated in the storage portion 53. The aerosol can 6 is filled with the liquid.

Next, the configuration of each member will be described in detail.
FIG. 13 is an exploded view of the components of the container holding unit 20, the container 50, and the piston rod tip member 40. As shown in FIG. 13, the container holding unit 20 includes a lower holding unit 21, an upper holding unit 22, a spring 23, and a guide frame body 24. The container 50 includes an extraction rod fixing portion 51, a piston / container lid portion 52, a storage portion 53, and an extraction passage portion 54. The piston rod member 40 includes a distal end portion 43, an adjustment bolt 42, and a fixing portion 41. Typically, members other than the spring 23 are manufactured by resin molding. The spring 23 is usually made of metal, but is not particularly limited. In the case where a widely used member can be used, it is not limited to resin molding. In particular, general-purpose products can be used for the fixing portion 41, the adjusting bolt 42, and the extraction rod fixing portion 51. Further, the present invention is not limited to the case where each member is necessarily resin-molded, and may be made of metal as appropriate. In particular, since a considerable pressure is applied to some or all members of the container 50, some or all members of the container 50 may be made of metal. If a part or all of the members of the container 50 are made of metal, the number of reusable times increases.

  The lower holding part 21 and the upper holding part 22 are connected via the screw grooves 21b and 22b in a state where the spring 23 and the guide frame body 24 are accommodated. The spring 23 and the guide frame body 24 are substantially cylindrical. The screw groove 21b has a fine adjustment groove 21c so that the width of the container holding portion 20 can be finely adjusted. By finely adjusting the width of the container holding portion 20, the contact position between the ejection stem 6a and the liquid extraction tip portion 54a can be adjusted. The lower holding portion 21 has a hole 21 a that can accommodate the head of the aerosol can 6, the spring 23, and the guide frame body 24. The lower holding portion 22 can accommodate the spring 23 and the guide frame body 24 and has a hole portion 22a into which the container 50 can be inserted. The guide frame body 24 is disposed outside the spring 23.

  An extraction path portion 54 is attached to the tip of the storage portion 53. The piston / container lid 52 is inserted into the rear end of the reservoir 53. The storage part 53 has the above-mentioned convex part 53a. The piston / container lid 52 serves as a lid for the reservoir 53 and serves as a piston for extruding liquid. The piston / container lid portion 52 has a substantially cylindrical shape, and has a shape in which the inside is recessed. Friction on the inner wall of the storage portion 53 can be reduced by the recessed portion, and the movement of the piston / container lid portion 52 is made smooth. The tip structure of the piston / container lid 52 may have a known piston cup shape. The extraction rod fixing portion 51 has a screw hole 51a for attaching an extraction rod 60 (see FIG. 15 described later) for extracting the piston / container lid portion 52 from the storage portion 53. At the stage where the piston / container lid portion 52 is inserted into the storage portion 53, the liquid 50 is injected from the tip of the storage portion 53, and then the extraction path portion 54 is screwed into the container 50 containing the liquid. Since the liquid extraction path 5b of the extraction path portion 54 is thin, the liquid inside does not leak to the extent that the container 50 is slightly inverted due to the pressure.

  The fixed portion 41 has a hole 41a through which the piston rod 4a is inserted. The fixing part 41 is screwed into the right lid part 33. Thereby, the shake of the piston rod 4a can be reduced. A thread groove having a predetermined width is cut at the tip of the piston rod 4a. The adjustment bolt 42 and the tip portion 43 are screwed into the thread groove. At that time, if the adjustment bolt 42 is stopped at an appropriate position and the distal end portion 43 is screwed, the position of the distal end portion 43 can be adjusted.

  FIG. 14A is a front view of the outer frame holder 30. FIG. 14B is a plan view of the outer frame holder 30. 14C is a cross-sectional view taken along line AA in FIG. 14A. 14D is a cross-sectional view taken along line BB in FIG. 14A. The outer frame holder 30 includes a left lid portion 31, a substantially semi-tubular portion 32, and a right lid portion 33. The substantially semi-tubular portion 32 has, for example, a shape obtained by hollowing out a part of a resin pipe such as a vinyl chloride pipe so that the aerosol can 60 can be taken in and out (see FIG. 14C). Note that the entire substantially semi-tubular portion 32 may be resin-molded. The left lid part 31 is located on the bottom side of the aerosol can 6 and is fixed to one end of the substantially semi-tubular part 32 with a screw or an adhesive so that the aerosol can 6 does not come out from the bottom side. The left lid portion 31 may be partially cut out for weight reduction. The right lid portion 33 has a screw hole 33 a for fixing the fixing portion 41. The right lid portion 33 is fixed to the other end of the substantially semi-tubular portion 32 with a screw or an adhesive. Further, the right lid portion 33 fixes the operation mechanism portion 4 with a screw or an adhesive so that the piston rod 4a passes through the screw hole 33a. The entire outer frame holder 30 may be integrally formed of resin. The outer frame holder 30 holds the aerosol can 6 and the container holding part 20 so as not to jump out. The right lid portion 33 and / or the left lid portion 31 may be made of metal.

  FIG. 15 is a view showing the extraction rod 60. The extraction rod 60 is used to extract the piston / container lid 52 (or return it to a predetermined position) after the liquid filling is completed. The thread groove at the tip 60a of the extraction rod 60 is screwed into the screw hole 51a. After returning the piston / container lid 52, the extraction path 54 can be removed and the liquid can be accommodated again. If the container 50 is used only once, the extraction rod fixing portion 51 is not necessary. Further, the configuration for extracting the piston / container lid 52 is merely an example, and is not limited thereto.

  Next, how the liquid is filled will be described. FIG. 16A is a diagram illustrating a state in which each member of the container holding unit 20 and the container 50 is mounted. FIG. 16B is a diagram illustrating a state when the aerosol can 6, the container holding unit 20, and the container 50 are installed on the outer frame holder 30. In the drawing, the hatching of the contained liquid is omitted for easy understanding.

  Since the lower container holding part 21 has a shape that comes into contact with the head of the aerosol can 6, it prevents the pressing force from the piston rod 4 a from concentrating on the injection stem 6 a. The container 50 is inserted through the guide frame 24 and the spring 23, and the ejection stem 6a and the liquid extraction tip 54a come into contact with each other. When the maximum interval at which the injection stem 6a is pushed down is d, the lower holding portion is set so that the interval between the convex portion 53a and the container holding portion 20 is d using the fine adjustment groove 21c. 21 and the upper holding part 22 are combined. This fine adjustment is only an auxiliary function, and if each member is accurately manufactured by resin molding or the like, the convex portion 53a and the container holding portion with the lower holding portion 21 screwed into the upper holding portion 22 completely. It can manufacture so that the space | interval between 20 may be set to d.

  FIG. 16C is a diagram illustrating a state when the container 50 is pushed forward. When the container 50 is pushed forward, the convex part 53a and the upper container holding part 22 come into contact with each other. Accordingly, the container 50 is pushed by d and pushes down the valve of the injection stem 6a. The inner diameter of the hole 24 a drilled in the guide frame body 24 is smaller than the outer diameter of the storage portion 53. Therefore, when the container 50 is pushed forward, the guide frame body 24 is also pushed by d. At that time, the spring 23 contracts. Therefore, a repulsive force opposite to the pushing force is applied to the container 50 by the spring 23. Thus, the spring frame 24 and the spring 23 function as an elastic portion that applies a repulsive force when the container 50 is pushed forward. Even if there is no elastic portion, the liquid can be filled.

  Consider a case where the gripping of the actuation mechanism unit 4 is temporarily suspended in the state of FIG. 16C. The actuating mechanism 4 has a retraction restricting member 4h that restricts the retraction of the piston rod 4a. The repulsive force of the spring 23 is set to be weaker than the frictional force generated by the retreat restricting member 4h. Thereby, even if it is in the state interrupted temporarily, the piston rod 4a is not lowered, and the container 50 is stationary while the liquid is stored in the container 50. That is, the spring 23 is pressed and the injection stem 6a is pushed down. Thereafter, when the piston rod 4a is pushed up to a position where the liquid extraction is completed, the retreating member 4j comes into contact with the retraction regulating member 4h. Therefore, the backward restriction by the backward restriction member 4h is released, and the piston rod 4a is moved backward by the repulsive force of the first and second elastic members 4e, 4g. Accordingly, the container 50 is retracted by the repulsive force of the spring 23 and the injection stem 6a, the valve of the injection stem 6a is closed, and injection is prevented. Further, the spring 23 can also prevent the excessive pressure from being applied to the injection stem 6a. Further, when the aerosol can 6, the container housing part 20, and the container 50 are installed in the outer frame holder 30, the container 50 inadvertently pushes down the injection stem 6 a, and the contents are injected. Can be prevented.

  FIG. 17 is an enlarged view of a contact portion between the injection stem 6a and the extraction path portion 54. As shown in FIG. FIG. 17A shows a contact state. FIG. 17B shows a state when the injection stem 6a is pushed down. The liquid extraction leading end portion 54 a is a recess that bites into the extraction path portion 54. Therefore, the injection stem 6a bites into the extraction path portion 54 in a state where the injection stem 6a and the liquid extraction tip portion 54a are in contact with each other. Therefore, even if the pushing of the piston rod 4a is temporarily interrupted and the valve of the injection stem 6a is open, the contents of the aerosol can 6 do not leak. As shown in FIG. 17B, in the state where the injection stem 6a is pushed down, the liquid extraction tip 54a comes into contact with the injection stem seat 6c, so that excessive depression of the injection stem 6a is prevented. As a result, damage to the aerosol can 6 can be prevented.

  Thus, according to the second embodiment, main members such as the outer frame holder 30, the container holding unit 20, and the container 50 can be manufactured at low cost by resin molding or the like. Therefore, the liquid filling apparatus 20 can be provided at a very low cost. In addition, the weight has been reduced, and in the prototype of the present inventor, the weight was less than 1 kilogram when the aerosol can 6 was not attached.

  Further, by using the cylindrical container holding part 20, the container holding part 20 can be easily installed, and the container 50 can be prevented from being shaken when pressed by the piston rod 4a. As a result, it is possible to prevent an injection leak from the aerosol can. Further, since the container 50 has the piston / container lid portion 52, the container 50 is hardly affected by the shaking of the piston rod 4a.

  Moreover, since the hole 22a into which the container 50 is inserted is provided in the container holding part 20, the container 50 hardly shakes. Since the container 50 is provided with the convex portion 53a for restricting the injection stem 6a from being inserted into the hole portion 22 more than being pushed down, even if the container 50 is pushed excessively, the container 50 Is prevented from continuing to push the injection stem 6a. As a result, ejection leakage from the aerosol can 6 and damage to the aerosol can 6 are prevented.

  Since the elastic portion that applies a repulsive force to the container 50 is formed by the guide frame body 24 and the spring 23, the container 50 can be prevented from applying an excessive pushing force to the injection stem 6a. Furthermore, when filling is completed, the container 50 is pushed back, and the valve of the aerosol can 6 is closed, thereby preventing injection leakage. Moreover, it is possible to prevent the injection stem 6a from being inadvertently pushed down during installation on the outer frame holder 30.

  In addition, the structure in 2nd Embodiment is applicable also to the aerosol can 6 of the type which the stem 6a for injection does not push down. In that case, the gap d between the convex portion 53 and the container holding portion 20 is not necessary. Further, as in the second embodiment, the lower holding portion 21 is in contact with the head of the aerosol can 6 so that the container 50 does not move.

  Note that the second embodiment can be modified in the same manner as in the first embodiment.

  In the present invention, using the sealing gun to manufacture the liquid filling apparatuses 1 and 10 is merely an example of the embodiment. Of course, it goes without saying that the present invention is not limited to using a sealing gun.

  In the present invention, the greatest cause of weight reduction is that the outer frame holders 3 and 30 have an arc shape with a continuous cross-section, and the container holders 2 and 20 are placed in the outer frame holders 3 and 30. The aerosol can 6 is held, and the operating mechanism 4 is attached to the end portions of the outer frame holders 3 and 30. Conventionally, it has been necessary to use a large table or instrument to hold the cylinder containing the liquid to be injected and to attach the operating mechanism. Most of these platforms and instruments must be made of metal, and are provided by cutting or pressing. However, in the present invention, the outer frame holders 3 and 30 can be provided by resin molding or processing of existing pipes without using such a large base. In addition, the holding of the aerosol can 6 and the containers 5, 50 and the attachment of the operation mechanism unit 4 can be realized only by using the outer frame holders 3, 30. Therefore, the weight can be greatly reduced and the cost is reduced.

  As the shape of the outer frame holders 3 and 30, the following modifications can be considered. The cross-section arc of the outer frame holder 3 may be shorter than the semicircle. Conversely, the cross-section arc of the outer frame holders 3, 30 may be longer than the semicircle. In consideration of such a slight difference in arc length, this specification refers to a substantially semi-tubular shape. Moreover, a part of the substantially semi-tubular outer frame holders 3 and 30 may be cut out. Conversely, the outer frame holders 3 and 30 may be completely cylindrical. In the case of a cylindrical shape, for example, the aerosol can 6 may be inserted from the end opposite to the operating mechanism portion 4, and the bottom of the aerosol can 6 may be fixed so as to be removable, and filled with liquid. When the outer frame holders 3 and 30 are made into a complete cylindrical shape, the outer frame holders 3 and 30 are preferably transparent so that the inside can be visually recognized. The outer frame holders 3 and 30 may have a net shape or a lattice shape. The outer frame holders 3 and 30 may be only the frame provided in the axial direction of the aerosol can 6 or in a direction obliquely intersecting the axial direction. That is, the outer frame holders 3 and 30 have a shape along the side surface of the aerosol can, and it is sufficient that the aerosol can 6 can be placed so that the axis 6b of the aerosol can 6 does not shift. Conventionally, there has been no filling device using an outer frame holder having a shape along the side surface of an aerosol can.

  In the present invention, the size of the aerosol can 6 is not particularly limited. For example, an original aerosol can may be manufactured by filling a relatively small aerosol can filled with compressed gas with a liquid such as perfume. An outer frame holder that matches the size of the aerosol can can be prepared.

  The liquid filling apparatus of the present invention may be provided with a transparent cover that covers the outer frame holder in a removable manner.

  If coating is performed using an aerosol can filled with a curing agent using the liquid injection device of the present invention, excellent effects are obtained in terms of coating film strength and drying time.

  Although the present invention has been described in detail above, the above description is merely illustrative of the present invention in all respects and is not intended to limit the scope thereof. It goes without saying that various improvements and modifications can be made without departing from the scope of the present invention.

  The present invention is useful in the fields of aerosol manufacturing, painting, construction, civil engineering, and the like.

The figure which shows the structure of the liquid filling apparatus 1 which concerns on embodiment of this invention. The figure when the container holding part 2 is seen from another angle The figure which shows a mode when the lever 4c is grasped Enlarged view showing how piston rod 4a moves The figure which shows a mode when the piston rod 4a is pushed to the position which completes extraction of a liquid Sectional drawing which shows a mode when the container 5 is mounted | worn with the container holding | maintenance part 2, and the front-end | tip of the spray stem 6a of the aerosol can 6 and the liquid extraction front-end | tip part 5c contact | abutted Sectional drawing which shows a mode when the container 5 is pushed forward The figure which showed in detail how the container 5 moves from the start to the end of the filling of the liquid The figure which shows the modification of the container 5 The figure which shows the mode at the time of filling a liquid using the aerosol can 6 of another type The figure which shows the mode at the time of filling a liquid using the aerosol can 6 of another type The figure which shows the structure of the liquid injection apparatus 10 which concerns on the 2nd Embodiment of this invention. The figure which decomposed | disassembled the components of the container holding part 20, the container 50, and the piston rod tip member 40 Front view of outer frame holder 30 Plan view of outer frame holder 30 AA sectional view in FIG. 14A BB sectional view in FIG. 14A The figure which shows the extraction stick | rod 60 The figure which shows a mode when each member of the container holding | maintenance part 20 and the container 50 is mounted | worn. The figure which shows a state when the aerosol can 6, the container holding part 20, and the container 50 are installed in the outer frame holder 30. The figure which shows a state when the container 50 pushes forward The figure which expanded the contact part of the stem 6a for injection and the extraction channel part 54

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,10 Liquid filling apparatus 2,20 Container holding | maintenance part 2a Fitting member 2b Attached base 3,30 Outer frame holder 3a Aerosol can control member 3b Left side part 3c Right side part 4 Actuation mechanism part 4a Piston rod 4b Grip body 4c Lever 4e First 1 elastic member 4f Locking member 4g Second elastic member 4h Retraction restricting member 4i Pushing surface portion 4j Retreating member 43 Tip portion 42 Adjustment bolt 41 Fixing portion 5, 50 Container 5a, 53 Storage portion 5b Liquid extraction path 5c, 54a Liquid Extraction tip portion 5d Lid member 51 Extraction rod fixing portion 52 Piston / container lid portion 53a Convex portion 54 Extraction path portion 6 Aerosol can 6b Axle core 6c Stem seat for injection P1-P4 Stopping portion 21 Lower holding portions 21a, 22a Hole portion 21b Screw groove 21c Fine adjustment groove 22 Upper holding part 23 Spring 24 Guide frame

Claims (17)

An apparatus for filling a liquid into an aerosol can filled with compressed gas,
A container holding portion for removably holding a container for containing the liquid;
The aerosol can has a shape along a side surface of the aerosol can, and the aerosol can is removably placed so that the axis of the aerosol can is not shaken, and the tip of the spraying stem of the aerosol can and the liquid extraction of the container An outer frame holder for installing the container holding portion at a position where the tip can be contacted;
A piston rod attached to an end of the outer frame holder, for extruding the liquid contained in the container, and an actuating mechanism for applying a pushing force to the piston rod; Liquid filling device.   2. The liquid filling apparatus according to claim 1, wherein the container holding portion holds the container so as to be laterally movable along the axial center by a pushing force from the piston rod.   The actuating mechanism pushes the piston rod to a position where the extraction of the liquid contained in the container is substantially completed, and then moves the piston rod backward by a length at which the valve of the aerosol can is at least closed. The liquid filling apparatus according to claim 2, wherein:   2. The liquid filling apparatus according to claim 1, wherein the actuating mechanism includes a trigger-type push-out mechanism in which the piston rod pushes up each time a lever is gripped. The operating mechanism portion penetrates the piston rod,
A gripping body having the pivotable lever;
A first elastic member through which the piston rod is inserted;
It is arranged behind the first elastic member, allows the piston rod to pass therethrough, and is locked to one end of the lever and the first stopper of the gripper, and is always directed rearward by the first elastic member. A locking member that is pressed and
A second elastic member inserted at the rear of the piston rod;
A retraction restricting member disposed at one end of the gripping body while being inclined to the rear of the second elastic member while being inserted through the piston rod. The liquid filling apparatus according to claim 4.   The liquid filling apparatus according to claim 5, wherein the piston rod includes a retreating member that comes into contact with the retraction regulating member when the piston rod is pushed to a position where the extraction of the liquid is substantially completed.   The liquid filling apparatus according to claim 1, wherein the container includes a lid member that can be pushed by the piston rod.   The liquid filling apparatus according to claim 1, wherein the outer frame holder is substantially semi-tubular.   2. The liquid filling apparatus according to claim 1, wherein the outer frame holder has a shape in which a part of a pipe is cut out so that the aerosol can can be taken in and out.   2. The liquid filling apparatus according to claim 1, wherein the container holding portion has a cylindrical shape having an outer diameter substantially the same as an inner diameter of the outer frame holder. The container holding part includes a hole having an inner diameter substantially the same as the outer diameter of the container,
11. The liquid filling apparatus according to claim 10, wherein the container has a convex portion for restricting insertion of the injection stem beyond the push-down stem more than being pushed down.   12. The liquid filling apparatus according to claim 10, wherein the container holding part further includes an elastic part that applies a repulsive force when the inserted container is pushed forward. The elastic part is
A guide frame that is slidable in the container holding portion and can be pushed in accordance with the pushing of the container;
The liquid filling apparatus according to claim 12, further comprising a spring that applies a repulsive force to the guide frame body in the container holding portion.   The liquid filling apparatus according to claim 1, wherein the liquid is a curing agent. A container detachable from the container holding part of the liquid filling device according to claim 1,
A reservoir for storing liquid;
A liquid extraction path for extracting the liquid stored in the storage unit;
A container comprising: a liquid extraction tip portion that comes into contact with a tip of a spray stem of the aerosol can. A manufacturing method for manufacturing an aerosol can,
For the liquid filling device according to claim 1, attaching a container containing liquid to the container holding unit;
The step of attaching the aerosol can to the outer frame holder for the liquid filling apparatus according to claim 1;
And a step of actuating the actuating mechanism to push the piston rod and filling the liquid contained in the container.   The method of coating articles | goods using the aerosol can manufactured using the manufacturing method of Claim 11.

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