JP2003231572A - Refilling method of stick molded item and cartridge for refilling - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable a good operation of refilling a stick molded item by preventing it from being dislocated. <P>SOLUTION: In the refilling method in which a slider 6 movable back and forth within a cylinder 2 by rotating a screw bar 4 with a tail plug 3 is made to hold the retractable stick molded item 7, after the slider 6 is removed from the screw bar 4, a rear edge 14 of an opening of a cartrige case 10 housing the refilling stick molded item 8 held by another slider 11 is fitted to a front edge 2a of the opening of the cylinder 2, both the screw grooves 13 and 12 of the slider 11 holding the refilling stick molded item 8 and the refilling stick molded item 8 are screwed to the screw bar 4 and the refilling stick molded item 8 held by the slider 11 is housed in the cylinder 2 by rotating the tail plug 3. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for refilling stick molded products, and a refill cartridge used for carrying out the method.

[0002]

2. Description of the Related Art Solid glue sticks, release agent sticks,
A stick molded product made of various materials such as cosmetic sticks and soap sticks to be applied and used is housed in the cylinder body, and the tail plug attached to one end of the cylinder body is rotated to move the stick body from the cylinder body. It is publicly known that it can be retracted and retracted, and there is also a method of replacing a stick molded product, which has been consumed by use, with a new one. For example, in Japanese Patent Publication No. 6-502372, a hole or blind hole with one end closed in advance is provided at the axial position of the refill stick molded product housed in the cartridge case, and is refilled into a tubular body. At this time, there is described a screw rod integrated with the tail plug that slightly cuts the refill stick molded product when entering the hole or the blind hole.

However, the above refilling technique has the following problems. a) When the screw rod cuts the peripheral surface of the hole or blind hole of the refill stick molded product, the outer diameter of the refill stick molded product slightly expands due to the action of the external force from the screw rod toward the outside. It tends to grow. Therefore, the refill stick molded product may be difficult to come out of the cartridge case, or may be difficult to enter the cylinder body, and the refill stick molded product may come off the slider and cannot be refilled.

B) Since the screw rod cuts into the peripheral surface of the hole or blind hole of the refill stick molded product and enters, the air in the hole or blind hole is compressed, and the pressure of the compressed air causes the refill to refill. The stick molded product may come off the slider and may not be refilled.

[0005]

SUMMARY OF THE INVENTION In consideration of the above-mentioned problems, the present invention provides a refillable stick molded product,
An object of the present invention is to provide a method in which the refill stick molded product can be refilled well without coming off from the slider, and a refill cartridge used for the implementation.

[0006]

According to the present invention, the above problems can be solved as follows. (1) When the tail plug attached to one end of the cylinder is rotated, a screw rod integrally formed with the tail plug is rotated in the cylinder, so that the screw rod is screwed into the screw rod and the inner circumference of the cylinder. A stick that can be retracted from the front end of the opening of the cylindrical body by allowing the slider to move forward and backward in the cylindrical body by means of a guide ridge provided in the axial direction on the surface and holding this slider one end of the stick molded product. A method for refilling a stick molded product in a molded product container, comprising removing a slider holding a worn stick molded product from the screw rod, and then refilling the stick molded product held by another slider. A slider in which the rear end of the opening of the accommodated cartridge case is fitted to the front end of the opening of the cylindrical body and which holds the refill stick molded product, and the shafts of both the refill stick molded product. A screw groove which is provided in a position, screwed with said threaded rod, by the rotation of the tail stopper, a stick shaped article refill which is held on the slider, so as to accommodate the tube body.

(2) In the above item (1), the thread grooves of both the slider and the refill stick molded product are continuous thread grooves.

(3) By rotating a tail plug attached to one end of the cylindrical body, a screw rod integrally formed with the tail plug is rotated in the cylindrical body to be screwed with the screw rod. The slider is moved forwards and backwards in the cylinder by the guide ridges provided on the circumferential surface of the cylinder in the axial direction, and the slider holds one end of the stick molded product and can be retracted from the front end of the cylinder opening. A method for refilling a stick molded product in a container for a stick molded product, wherein a slider holding a worn stick molded product is removed from the screw rod, and then held on another slider at an axial position. The rear end of the opening of the cartridge case accommodating the refilled stick molded product having the screw rod entry hole having a diameter larger than the diameter of the screw rod is fitted to the front end of the opening of the cylindrical body, and the slider. Of the screw groove which is provided in the axial position, the screwed a threaded rod, by the rotation of the tail stopper, a stick shaped article refill which is held on the slider,
It is housed in the cylinder.

(4) In any one of the above items (1) to (3), the rear end of the opening of the cartridge case accommodating the refill stick molded product held by the slider is fitted to the front end of the cylindrical body. For this purpose, the inner diameter of the rear end of the opening of the cartridge case is expanded, and the expanded part is fitted onto the front end of the opening of the cylindrical body.

(5) In any one of the above items (1) to (3), an outwardly facing step is provided on the outer peripheral surface near the front end of the opening of the cylindrical body, and this step is provided after the opening of the cartridge case. By rotating the tail plug attached to the rear end of the cylindrical body with the end-to-end surfaces in contact with each other, the refill stick molded product housed in the cartridge case is held. It should be housed in the cylinder together with the slider.

(6) In any one of the above items (1) to (3), an inward step on the inner peripheral surface formed by enlarging the inner diameter of the rear end of the opening of the cartridge case, With the front ends of the cylinder in contact with each other, turn the tail plug attached to the rear end of the cylinder to move the refill stick molded product housed in the cartridge case. It should be housed in the cylinder together with the slider that it holds.

(7) In any one of the above items (1) to (6), the slider is provided with a cylindrical body through which the screw rod penetrates in the central portion of the disk where the stick molded product is held. At the same time, the tubular body is provided with a locking projection that projects outward.

(8) In the cartridge case with one end open, both the refill stick molded product and the slider are
A refill stick molded product having a screw groove formed at each axial position and held by the slider is housed in the cartridge case by positioning the slider at the rear end side of the opening.

(9) In the above item (7), the thread grooves of both the slider and the refill stick molded product are continuous thread grooves.

(10) In the above item (8) or (9),
Increase the inner diameter of the rear end of the cartridge case opening.

(11) In any one of the above items (8) to (10), the stick molded article is any one of a solid paste stick, a release agent stick, a cosmetic stick and a soap stick.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a diagram for explaining an embodiment of a method for refilling a stick molded product according to the present invention. Container for stick molded article used in the present invention (1)
Is a cylindrical body (2) similar to the one generally used in the past.
By rotating the tail plug (3) attached to the rear end of the slider, the screw rod (4) integrally formed with the tail plug (3) is rotated in the tubular body (2), and the slider (6 ) Is threadedly engaged with the screw rod (4) and a guide ridge provided axially on the inner peripheral surface of the tubular body (2).
The slider (6) holds the rear end of the stick molded product (7) by the guide of (5) to move the cylinder (2) back and forth, and the front end (2a) of the opening of the cylinder (2) is held. ) From the appearance.

The present invention allows the use of stick molded articles depending on the use.
If (7) is exhausted, a new refill stick molded product
The present invention relates to a method of refilling the tubular body (2) with (8).

First of all, the slider holding the worn stick molded product (7) by rotating the tail plug (3) first.
(6) is moved forward in the tubular body (2) and removed from the front end of the screw rod (4). Then, the opening rear end (14) of the refill cartridge (9) containing the refill stick molded product (8) is fitted to the opening front end (2a) of the tubular body (2).

FIG. 2 is a view showing an embodiment of the refill cartridge (9). The refill cartridge (9) has a threaded groove (12) (in the cartridge case (10) with one end open at the axial position of both the refill stick molded product (8) and the slider (11). 13) is formed and the refill stick molded product (8) held by the slider (11) is attached to the slider.
The (11) is located at the rear end (14) side of the opening and is housed in the cartridge case (10).

Opening rear end (14) of the cartridge case (10)
Has an enlarged inner diameter so that the rear end (14) of the opening can be fitted onto the front end (2a) of the opening of the cylindrical body (2).
The outer diameter of the front end (2a) of the opening of the cylindrical body (2) is a stick molded product.
(7) For example, the diameter is slightly reduced in order to cover a cap (not shown) for preventing drying when the solid glue stick is not used.

Outward step formed by the reduced diameter
(15), the cartridge case (10) opening rear end surface (14a)
Of the cartridge case (10)
With the (14) fitted in the opening front end (2a) of the tubular body (2), the screw grooves (13) and (12) of both the slider (11) and the refill stick molded product (8), Tail screw (4) is screwed, tail plug (3)
By rotating, the refill stick molded product (8) housed in the cartridge case (10) is housed in the tubular body (2) together with the slider (11) holding it. .

Since the screw grooves (13) and (12) of both the slider (11) and the refill stick molded product (8) are continuous, they can be smoothly screwed into the screw rod (4). The cartridge case (10) can be opened and
Since a) is brought into contact with the stepped portion (15) of the tubular body (2), the relative position of the cartridge case (10) with respect to the tubular body (2) is stabilized, and the tail plug (3) is rotated. By doing so, the refill stick molded product (8) is removed from the cartridge case (10) into the cylindrical body.
(2) Can be easily refilled.

Cartridge case (10) for the cylindrical body (2)
In order to stabilize the relative position of the cartridge case (10), as described above, the rear end-to-end surface (14a) of the cartridge case (10) is formed by reducing the outer diameter of the front end (2a) of the opening of the cylindrical body (2). In addition to the form of abutting against the outwardly facing stepped portion (15), the front end faces (2b) of the opening of the cylindrical body (2) are connected to the rear end (1) of the cartridge case (10).
There is a mode in which the step is brought into contact with an inward step portion (16) on the inner peripheral surface formed by expanding the inner diameter of 4).

In order to preliminarily provide the refill stick molded product (8) with a thread groove (12) continuous with the thread groove (13) of the slider (11), the following procedure may be performed. That is, as shown in FIG. 3 (a), the raw material of the refill stick molded product (8) is poured into the tubular body (2) in a state where the slider (11) is lowered to the bottom in a fluidized state to be cooled and solidified. Let

Then, after solidifying, as shown in FIG. 3 (b), the tail plug (3) is rotated to pull out the solidified molded product together with the slider (11) from the cylindrical body (2). As a result, a refill stick molded product (8) is obtained in which the screw groove (12) connected to the screw groove (13) of the slider (11) is engraved. The refill stick molded product (8) is housed in the cartridge case (10) with the slider (11) positioned on the rear end (14) side of the opening as shown in FIG. ) To cap (17)
By doing so, it is possible to prevent the refill stick molded product (8) from drying.

FIG. 4 is a view for explaining another embodiment of the refilling method for stick molded products of the present invention. In this embodiment, at the axial position of the refill stick molded product (18), instead of the screw groove (12) in the above embodiment, a screw rod entry hole (a diameter larger than the diameter of the screw rod (4) ( Drill 19) in advance.

By forming the screw rod entry hole (19) having the above diameter in the refill stick molded product (18),
Cartridge case (10) with refill stick molding (18)
When the screw rod (4) enters the screw rod entry hole (19) when refilling from the inside of the tubular body (2), the refill stick molded product
Since (18) does not receive an external force from the screw rod (4) and the refill stick molded product (18) is held by the slider (11), the slider caused by the rotation of the tail plug (3). (11) cylinder
It is easily accommodated in the tubular body (2) as it descends into the interior (2).

The screw rod entry hole (19) of the above diameter may be preliminarily formed in the refill stick molded product (18) in the following manner. That is, as shown in FIG.
Cylindrical body with screw rod (4) integral with (3) removed
Position the slider (11) at the inner bottom of (2), and at the front end of the piercing pin (20a) having a diameter larger than the diameter of the screw rod (4),
A perforating tool (20) provided with a stopper lid (20b) to the front end (2a) of the opening of the tubular body (2) is arranged such that the perforating pin (20a) is suspended at the axial position of the tubular body (2). , The front end (2a) of the opening of the cylindrical body (2).

Next, the raw material of the refill stick molded product (18) is fed from the inlet (20c) provided in the stopper lid (20b).
It is poured into the cylindrical body (2) in a fluidized state and cooled and solidified. After solidification, as shown in FIG. 7 (b), the punching tool (20) is removed.

Then, as shown in FIG. 7 (c), the cylindrical body (2)
The refill stick molded product (18) held by the slider (11) may be extruded from the tubular body (2) from below by a pusher (21). Then, the slider (11) is housed in the cartridge case (10) on the rear end (14) side of the opening, and the cartridge (10) is covered with the cap (17).

Slider (6) used in the present invention
Is a ring piece (22b) from the periphery of the disc (22a) as shown in FIG.
It may be a cup-shaped slider (22) in which the stick is erected, but as shown in FIG. 7, the stick molded product (7) on the disc (23a) is
A cylindrical body (23b) for penetrating the screw rod (4) is erected at the center portion on the side for holding the cylindrical body (23b).
Further, if the buoyancy type slider (23) is provided with the locking projection (23c) protruding outward, it can be used more preferably.

When the cup-shaped slider (22) is used, the stick molded product (7) is consumed and the cup-shaped slider (2)
The stick molded product left in 2) cannot be used any more, but if the slider (23) is used,
The stick molded product remaining around the locking projections (23c) can also be effectively used.

The slider (23) holding the worn stick molded product (7) when the refilled stick molded product (8) is refilled into the cylindrical body (2) is removed and discarded. It is preferable to reduce the stick molded product remaining in (23) as much as possible, and therefore, the buoyancy type provided with a locking projection (23c) protruding outward than the cup-shaped slider (22). It is more economical to use the slider (23).

[0035]

According to the present invention, the following effects can be obtained. (1) According to the invention of claim 1, since the refill stick molded product is provided with a thread groove to be screwed with the screw rod in advance, the refill stick molded product is screwed at the time of refilling. In the groove,
Since the screw rod is directly screwed, it is possible to favorably prevent the refill stick molded product from coming off the slider. In addition, when the refill stick molded product is provided with a screw groove in advance, even if it is screwed with the screw rod, there is a slight gap between the screw groove and the screw rod. The air existing in the hole portion of the refill stick molded product in which the screw groove exists flows out to the outside from the gap, so that the air is compressed and the refillable stick molded product easily comes out of the slider. There is no inconvenience.

(2) According to the second aspect of the present invention, the screw rod can be smoothly screwed into the refill stick molded product when the refill stick molded product is refilled, and The outflow of air is also performed well.

(3) According to the third aspect of the present invention, since the refill stick molded product is provided with the threaded rod entry hole having a diameter larger than the diameter of the threaded rod, when refilling In addition, there is no inconvenience that the air easily flows out and the refill stick molded product easily comes off the slider.

(4) According to the invention described in claim 4, the cartridge case can be easily and stably fitted to the front end of the opening of the cylindrical body.

(5) According to the fifth aspect of the invention, since the relative position of the cartridge case with respect to the cylinder is fixed, the refill stick molded product held by the slider is refilled at the time of refilling. , It can be easily pulled out from the cartridge case and refilled into a cylinder.

(6) According to the invention of claim 6, the above
The same effect as the item (5) can be obtained.

(7) According to the invention described in claim 7, it is possible to economically use the consumed stick molded product on the slider by minimizing the remaining amount thereof.

(8) According to the invention described in claim 8, a refill cartridge having the same effect as the above item (1) can be obtained at the time of refill.

(9) According to the invention described in claim 9, a refill cartridge having the same effect as the item (2) can be obtained at the time of refill.

(10) According to the tenth aspect of the invention, it is possible to obtain a refill cartridge having the same effect as that of the above (4) when refilling.

(11) According to the eleventh aspect of the present invention, it is possible to obtain a refill cartridge suitable for various purposes.

[Brief description of drawings]

FIG. 1 is a diagram for explaining an embodiment of a method for refilling a stick molded product of the present invention.

FIG. 2 is a diagram showing an embodiment of a refill cartridge of the present invention.

FIG. 3 is a diagram showing a process for obtaining a refill stick molded product in which a spiral groove continuous with a spiral groove of a slider is engraved.

FIG. 4 is a diagram for explaining another embodiment of the method for refilling a stick molded product of the present invention.

FIG. 5 is a diagram showing a process for obtaining a refill stick molded product in which a screw rod entry hole is formed.

FIG. 6 is a diagram showing an embodiment of a slider used in the present invention.

FIG. 7 is also a diagram showing an embodiment of a slider used in the present invention.

[Explanation of symbols]

(1) Container for stick moldings (2) Cylindrical body (2a) Front end of opening (2b) Opening edge (3) Tail plug (4) Screw rod (5) Guide ridge (6) Slider (7) Stick molded product (8) Refill stick molded product (9) Refill cartridge (10) Cartridge case (11) Slider (for refill) (12) (13) Spiral groove (14) Rear end of opening (14a) Edge to back after opening (15) Step (16) Step (17) Cap (18) Refill stick molded product (19) Screw rod entry hole (20) Punching tool (20a) Drilling pin (20b) Stopper lid (20c) inlet (21) Extruder (22) Cup-shaped slider (22a) Disc (22b) Ring piece (23) Flotation slider (23a) Disc (23b) tubular body (23c) Locking protrusion

Claims (11)

[Claims] 1. A screw rod integrally formed with the tail plug is rotated in the cylinder by rotating a tail plug attached to one end of the cylinder, thereby screwing the screw rod with the screw rod and the cylinder. The slider is moved forwards and backwards in the cylinder by the guide ridges provided in the axial direction on the inner peripheral surface of the body, and the slider is made to hold one end of the stick molded product so that it can be retracted from the front end of the opening of the cylinder. A method for refilling a stick molded product in a stick molded product container, comprising: removing a slider holding a worn stick molded product from the screw rod, and then refilling the stick molded product held by another slider. Of the refill stick molded product and the slider that fits the rear end of the opening of the cartridge case accommodating the product into the front end of the opening of the cylindrical body and holds the refilled stick molded product. A refill stick molded product held by the slider by screwing a screw groove provided at both axial positions and the screw rod and rotating the tail plug,
A refilling method, characterized by accommodating in the cylinder. 2. The refilling method according to claim 1, wherein the thread grooves of both the slider and the refill stick molded product are continuous thread grooves. 3. A screw rod integrally formed with the tail plug is rotated in the cylinder by rotating a tail plug attached to one end of the cylinder, thereby screwing the screw rod with the screw rod and the cylinder. The slider is moved forwards and backwards in the cylinder by the guide ridges provided in the axial direction on the inner peripheral surface of the body, and the slider is made to hold one end of the stick molded product so that it can be retracted from the front end of the opening of the cylinder. A method for refilling a stick molded product in a stick molded product container, wherein a slider holding a worn stick molded product is removed from the screw rod, and then held by another slider, at the axial position. The rear end of the opening of the cartridge case accommodating the refilled stick molded product having the screw rod entry hole having a diameter larger than the diameter of the screw rod is fitted to the front end of the opening of the cylindrical body, and Characterized in that a screw groove provided at an axial position and the screw rod are screwed together, and a refill stick molded product held by the slider is accommodated in the cylindrical body by rotating a tail plug. How to refill 4. A rear end of an opening of a cartridge case containing a refill stick molded product held by a slider,
The inner diameter of the rear end of the opening of the cartridge case is expanded to fit the front end of the opening of the cylindrical body, and the expanded diameter part is externally fitted to the front end of the opening of the cylindrical body. Refilling method according to any one of. 5. A step portion facing outward is provided on the outer peripheral surface near the front end of the opening of the tubular body, and the step portion is provided at the rear end of the tubular body with the rear end surfaces of the opening of the cartridge case abutting against the step portion. The refill stick molded product housed in the cartridge case is housed in the cylinder together with the slider holding the refill stick molded product by rotating the mounted tail plug. The refilling method according to any one of to 3. 6. A cylinder case in which a front end surface of an opening of a cylindrical body is in contact with an inward step portion formed on an inner peripheral surface formed by expanding an inner diameter of a rear end of the cartridge case. The tail plug attached to the rear end of the body is rotated so that the refill stick molded product housed in the cartridge case is housed together with the slider holding it in the cylinder body. The refilling method according to any one of claims 1 to 3. 7. A slider is provided with a cylindrical body through which the screw rod penetrates in a central portion of a disk on which a stick molded product is held, and a locking member which projects outward to the cylindrical body. The refilling method according to any one of claims 1 to 6, wherein a projection is provided. 8. A refillable stick molded product in which a screw groove is formed at each axial position of both the refillable stick molded product and the slider, and which is held by the slider, in a cartridge case having one end opened. A cartridge for refilling characterized in that a slider is located at the rear end side of the opening and is housed in a cartridge case. 9. The refill cartridge according to claim 7, wherein the thread grooves of both the slider and the refill stick molded product are continuous thread grooves. 10. The refill cartridge according to claim 8, wherein the inner diameter of the rear end of the opening of the cartridge case is increased. 11. The stick molded article is any one of a solid glue stick, a release agent stick, a cosmetic stick, and a soap stick.
A refill cartridge according to any one of 1.