JPH0349615Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The present invention relates to a container for dispensing bar-shaped cosmetics, and in particular, the cosmetic base is filled into the container body in a heated molten state and is then cooled and solidified by water cooling means. The present invention relates to a stick-shaped cosmetic dispensing container suitable for use in dispensing cosmetics.

[Conventional technology]

In general, a dispensing container used to store bar-shaped cosmetics such as lipsticks, lip sticks, hair sticks, and makeup foundations has a cylindrical container body with both ends open, and the container body is filled and solidified. an inner plate slidably fitted in the container body in an axial direction to support a bar-shaped cosmetic that can be raised and lowered; an operating shaft screwed onto the inner plate; and a knob for rotating the operating shaft. and a rotation operation member rotatably provided on one end side of the container body. When filling the dispenser with cosmetics, the cosmetic base heated to about 80 degrees and liquefied is poured into the container body, and cooling water is sprayed onto the side of the container body. ,
The cosmetic base is cooled and solidified.

[Problem that the invention attempts to solve]

By the way, generally air remains in the empty space inside the feeding container, but when the container is cooled by spraying cooling water, the air inside the empty space is also cooled and the inside of the container becomes a negative pressure state. occurs. As a result, even if the container body and the rotating operation member are brought into close contact with each other, cooling water is sucked into the container body through the gap between the two, and the cooling water stays in the container, deteriorating the quality of the cosmetics. Furthermore, since the inside of the container returns to normal pressure after cooling, there is a problem that the cooling water that was sucked into the container flows out of the container and stains the outer surface of the container and the packaging box. .

Therefore, in order to solve the above-mentioned problem, the present applicant filed Utility Application No. 59-200918 (Utility Model No. 2-33698).
However, there is a problem in that the shape of the mold for molding the container becomes complicated.

The present invention was developed in view of the shortcomings of the prior art, and by preventing negative pressure from being generated within the container body during cooling, cooling water is sucked into the container body, causing quality deterioration of the cosmetics and damage to the container. To provide a stick-shaped cosmetic dispensing container that can reliably prevent the occurrence of contamination.

[Means for solving problems]

A feature of the means of the present invention configured to solve the above-mentioned problems is that a ventilation hole is provided in the knob portion of the rotating operation member of the dispensing container to communicate the inside of the container body with the outside.

〔Example〕

Hereinafter, one embodiment of the present invention will be described in detail based on the drawings.

In FIG. 1, 1 is a hollow cylindrical container body with both ends 1A and 1B open, and one end 1 of the container body 1 is
On the A side, there is an annular protrusion 1C with a tapered outer surface.
protrudes inward in the radial direction, and a stepped portion 1D for mounting the lid 2 is provided around the outer circumferential surface of the other end 1B. The inner surface of the container body 1 is provided with a flat guide surface and an engagement groove (not shown) to allow the inner plate 3 (described later) to slide in the axial direction and not rotate in the circumferential direction. It is formed.

Reference numeral 3 denotes an inner plate that is slidably fitted in the container body 1 in the axial direction in order to support a bar-shaped cosmetic material 9, which will be described later, so as to be movable up and down. The inner plate 3 includes a cylindrical protrusion 3A, a disc-shaped bottom 3B extending radially outward from the lower end of the cylindrical protrusion 3A, and a bottom 3B.
a cylindrical portion 3C extending upward in the axial direction from the outer end thereof, and having a flat surface and an engagement protrusion (not shown) formed on the outer circumferential surface to slide into guide surface and engagement groove of the container body 1;
Female threaded portion 3 bored in the center of the cylindrical protrusion 3A
D, and the cylindrical protrusion 3
A, the bottom portion 3B, and the cylindrical portion 3C form an annular groove portion 4 on the upper side of the inner tray 3 into which one end side of the bar-shaped cosmetic material 9 flows.

Reference numeral 5 designates a rotation operating member for raising and lowering the inner plate 3 in the axial direction of the container body 1. The rotation operation member 5 includes a knob portion 6 that rotatably engages with the opening on the side 1A of the container body 1, and a female screw portion 3D of the inner plate 3 that protrudes in the axial direction from the center of the inner surface of the knob portion 6. It consists of a long male threaded part 7 which is screwed into the part. Here, the knob part 6 includes a large-diameter disk-shaped knob body 6A having the same outer diameter as the container body 1, and a boss part 6B that protrudes in the axial direction from the inner surface of the knob body 6A and fits into the container body 1. An engagement groove 6C is provided around the outer circumferential surface of the boss portion 6B, with which the annular protrusion 1C of the container body 1 is rotatably engaged.

Then, by pushing the boss portion 6B into the container body 1 against the annular protrusion 1C of the container body 1,
The rotation operation member 5 includes a knob main body 6A and a container main body 1.
It is rotatably assembled to the container body 1 with a minute gap δ between it and the end face.

Reference numeral 8 denotes a ventilation hole bored in the axial direction from the outer surface of the knob 6 of the rotating operation member 5 to the inner surface of the container body 1, and the inside of the container body 1 is constantly communicated with the outside through the ventilation hole 8. It's summery.

9 is a bar-shaped cosmetic stored in the container body 1;
The cosmetic material 9 is produced by pouring a heated and melted cosmetic base into the container main body 1 from the opening on the other end 1B side of the container main body 1, and cooling and solidifying it, so that the lower end side becomes the inner plate 3.
It is now supported by

Next, the process of filling and solidifying a liquid cosmetic base into the stick-shaped cosmetic dispensing container configured as described above will be explained with reference to FIGS. 2 and 3.

In the figure, reference numeral 10 denotes a support stand for vertically supporting the plurality of feeding containers A, A, . The lower frame 11 is made up of an underframe 11A made of a rectangular plate, and a pair of side frames 11B, 11B facing upward from both ends of the underframe 11A in the longitudinal direction. It is configured.

On the other hand, 12 is an upper frame made of a rectangular flat plate that is removably attached to the upper side of the lower frame 11, and the other end 1B of the container main body 1 and the side step 1D are fitted into the upper frame 12. Support hole 12 consisting of a matching through hole
A, 12A, . . . are formed. A space surrounded by the upper frame 12 and the lower frame 11 serves as a cooling path 13 into which cooling water is injected. 14, 14, when the dispensing container A is supported between the upper frame 12 and the lower frame 11, the lower surface of the knob 6 of the rotating operation member 5 is in close contact with the upper surface of the underframe 11A of the lower frame 11. A pair of support rails 14, 14 are made of an elastic material such as rubber so as not to damage the knob part 6, and the support rails 14, 14 are made of an elastic material such as rubber so as not to damage the knob part 6. Frame 1
It is located at the center of the upper surface of 1A and is arranged parallel to the longitudinal direction.

Reference numeral 15 denotes a rectangular block-shaped metal upper mold that is removably superimposed on the upper side of the upper frame 12. At the center of the upper surface of the upper mold 15, there is a longitudinal scraping groove 15A having curved ends. It is recessed in the direction,
Cosmetic injection holes 15B, 15 corresponding to each support hole 12A of the upper frame 12 are provided at the bottom of the scraping groove 15A.
B,... are drilled.

Next, a method of filling liquid cosmetics into each dispensing container A vertically supported by the above-mentioned support stand 10 and solidifying the same will be described.

First, the upper frame 12 of the support stand 10 is turned upside down, and the stepped portion 1D of the container body 1 is inserted into each support hole 12A, so that the dispensed container A is erected. Next, the lower frame 11 that is upside down is superimposed on the upper frame 12 from above, and the feeding container A is placed between the upper frame 12 and each support rail 14 of the lower frame 11. to hold. Thereafter, the upper and lower positions of the support stand 10 are returned, and the upper mold 15 is fitted onto the upper side of the upper frame 12.

Next, the support base 10 on which the upper mold 15 is fitted is conveyed along the longitudinal direction by a conveyor such as a conveyor (not shown), and during this conveyance, the cosmetic base which has been heated and melted into a liquid state is transferred to the cosmetic base. The cosmetic base is poured into the container body 1 through the filling nozzle, and is filled until it reaches the scraping groove 15A of the upper mold 15. After that, cooling water is injected into the cooling path 13 of the support stand 10, and as a result of the cooling water cooling each feeding container A from the outside, the cosmetic base in the container body 1 is cooled and solidified. do.

In the above-mentioned cooling process, the air present in each feeding container A is also cooled. According to the embodiment, a ventilation hole 8 is provided in the knob portion 6 of the rotating operation member 5 to communicate the inside of the container body 1 with the outside. Since the interior of the container body 1 can be maintained at atmospheric pressure even during cooling, cooling water is prevented from being sucked into the container body 1 from the gap δ between the container body 1 and the rotating operation member 5. It can definitely be prevented.

After the bar-shaped cosmetic material 9 is solidified in the container body 1, the cosmetic material in the scraping groove 15A of the upper mold 15 is scraped off, the upper mold 15 is removed, and the lower frame 11 and the upper frame 12 are removed. Each support hole 1 of the upper frame body 12 is separated.
By removing the feeding container A from the container 2A, filling and molding of the bar-shaped cosmetic 9 is completed.

As described above, according to this embodiment, the rotation operation member 5
Since the knob part 6 of the container body 1 is provided with a ventilation hole 8 that always communicates the inside of the container body 1 with the outside, the inside of the container body 1 becomes in a negative pressure state during cooling, and the container body 1 and the knob part 6 are
It is possible to reliably prevent the cooling water from being sucked into the container body 1 through the gap δ between the container body 1 and the container body 1, and it is also possible to spray a large amount of cooling water for cooling in a short period of time, thereby increasing the cooling efficiency. Furthermore, since the vent hole 8 is opened on the outer surface, which is the lower surface of the knob portion 6, it is possible to prevent cooling water from entering the vent hole 8 during water cooling.

Furthermore, if the volume of the container body 1 is large, the filled and cooled cosmetics will shrink significantly on both sides in the longitudinal direction. By providing this, it is possible to effectively prevent the inside of the container body 1 from becoming in a high negative pressure state.

In the embodiment, a pair of support rails 14, 14 are provided on the lower frame 11 of the support base 10 to prevent the ventilation hole 8 of the feeding container A from being blocked. It is also possible to prevent the ventilation hole 8 from being blocked by integrally forming a skirt-like protrusion. Further, although the embodiments have been described using a cylindrical dispensing container A as an example, the present invention can also be applied to dispensing containers having an oval shape, a rectangular shape, or the like.

[Effect of idea]

According to the present invention configured as detailed above,
Since a ventilation hole is provided in the knob of the rotating operation member so that the inside of the container body 1 is always communicated with the outside, the inside of the container body becomes in a negative pressure state during water cooling, and cooling water is sucked into the container body. It is possible to prevent deterioration of quality and contamination of containers etc. due to cooling water.

[Brief explanation of the drawing]

FIG. 1 is a vertical half-sectional view of a bar-shaped cosmetic dispensing container according to an embodiment of the present invention, and FIG. 2 is a partially broken view showing a support base and an upper mold for filling and cooling the dispensing container with cosmetics. The front view of Figure 3 is - in Figure 2.
FIG. 3 is an enlarged cross-sectional view in the direction of the arrow. DESCRIPTION OF SYMBOLS 1... Container body, 3... Inner plate, 5... Rotating operation member, 6... Knob portion, 8... Ventilation hole, 9... Bar-shaped cosmetic.

Claims (1)

[Scope of utility model registration request] A cylindrical container body with both ends open; an inner plate fitted slidably in the axial direction within the container body to support a bar-shaped cosmetic so as to be movable up and down within the container body; A rod-shaped cosmetic dispensing container comprising: a rotation operation member rotatably provided on one end side of the container body; and a rotation operation member for rotating a screwed male screw portion; A bar-shaped cosmetic dispensing container, characterized in that a ventilation hole is provided in the knob portion of the container body to communicate the inside of the container body to the outside.