Cartridge type rod-like cosmetic feeding container that is environmentally friendly

Abstract

To provide a rod-like cosmetic feeding container which reduces waste disposal by making a rod-like cosmetic a cartridge and by only disposing of the cartridge and which also can make the cartridge disposed of by separating the cartridge into a metal member and a synthetic resin member.SOLUTION: In a cartridge, a sleeve and a rotary cylinder are freely rotatably connected by engaging an engaging rib that protrudes into a sleeve inner wall and an engaging recess that is engraved in an outer periphery of the rotary cylinder. In a side wall of the rotary cylinder, a pair of slits crossing the engaging recess is long drilled in an access direction. A knob part remained in the rotary cylinder is internally bent to release the engagement between the sleeve and the rotary cylinder and thereby achieving separate dispose of the sleeve and the rotary cylinder. In this slit of the rotary cylinder, the engaging recess is provided with a width that is likely to bend inward. In the part of the engaging recess, there is a pseudo gourd shape with a constricted part provided, and the engaging recess is extended in this constricted part.SELECTED DRAWING: Figure 8

Description

[Technical field]

[0001] The present invention relates to a container for dispensing stick-type cosmetics, which contains stick-type cosmetics such as lipstick and stick foundation, and dispenses the stick-type cosmetics for use. More specifically, the present invention relates to an environmentally friendly cartridge-type container for dispensing stick-type cosmetics, which stores the stick-type cosmetics in a cartridge and makes it possible to replace the used stick-type cosmetics, thereby allowing the container itself to be reused while reducing waste and allowing the cartridge to be disposed of by separating it into metal material and synthetic resin material. [Background technology]

[0002] Conventionally, a cartridge-type stick cosmetic dispensing container that contains stick cosmetic such as lipstick or stick foundation and dispenses and applies the stick cosmetic is divided into a structural part having the stick cosmetic and a dispensing mechanism and an exterior body with attractive decoration, and the structural part and the exterior body are detachably connected to form the structural part into a cartridge and the exterior body into a holder. When the stick cosmetic is used up, only the empty cartridge is discarded and the expensive holder with attractive decoration is reused. Therefore, this cartridge-type stick cosmetic dispensing container can reduce waste and can be said to be an environmentally friendly container.

[0003] In addition, there are metal materials and synthetic resin materials with various characteristics. For the components that make up the container, materials are selected according to the required characteristics, and metal materials and synthetic resin materials are combined and arranged. Metal materials are often used for exterior components because they are strong, have the texture and luster unique to metal, and can be decorated in a variety of ways. Synthetic resin materials can be molded into complex shapes by injection molding, and there are materials with a variety of characteristics such as sliding properties, chemical resistance, and corrosion resistance, so they are often used for mechanical components that are not exposed to the outside. Recycling routes have been established for each metal material, and each material can be recycled by sorting. Only a limited number of synthetic resin materials can be recycled, and the rest must be disposed of as garbage.

[0004] The cartridge in this cartridge-type stick cosmetic dispenser contains the stick cosmetic and the dispenser mechanism, and the parts exposed to the outside are covered with a thin metal sleeve. Since the components of this dispenser mechanism are made of synthetic resin, they will be treated as waste if the cartridge is disposed of as is. In order to recycle the metal sleeve, a structure is required that allows the metal sleeve to be removed from the cartridge and disassembled into metal parts and other synthetic resin parts. As structures that allow the metal sleeve to be disassembled from this container and disposed of separately, structures described in Patent Documents 1 and 2 are known.

[0005] In the lipstick storage container described in Patent Document 1, the retaining treatment protruding from the inner peripheral wall of the metallic outer tube member (sleeve) engages with a circumferential groove provided on the outer wall of the synthetic resin inner tube member, and the outer tube member and the inner tube member are connected to each other so that they can rotate freely. The inner tube member is provided with a cut groove that crosses the circumferential groove from top to bottom in the axial direction so that the circumferential groove can be deformed to release the engagement of the retaining treatment of the outer tube member. In this container, in the normal state of use, the shaft hanging down from the plate member is located behind the inner tube member, preventing the deformation of the circumferential groove, and the outer tube member cannot be removed. However, when the plate member is raised to the upper limit, the shaft rod of the inner tube member is no longer pressing down, the circumferential groove of the inner tube member can be deformed, and the outer tube member can be forcibly removed.

[0006] In addition, in the cosmetic storage container described in Patent Document 2, a locking piece protruding from the inner peripheral wall of a metal outer tube member (sleeve) engages with an engagement groove provided on the outer wall of a synthetic resin inner tube member, and the outer tube member and the inner tube member are connected to each other so as to be freely rotatable. The inner tube member is provided with a groove that crosses the engagement groove vertically in the axial direction so that the engagement groove can be deformed to release the engagement of the locking piece of the outer tube member. In this container, in the normal state of use, the deflection prevention piece of the insert member prevents the deformation of the engagement groove of the inner tube member, and the outer tube member cannot be removed. However, when the structural part (cartridge) consisting of the plate member, inner tube member, and outer tube member is removed from the outer cover member and the insert member (outer body consisting of these) and the structural part is left alone, the deflection prevention piece of the insert member is no longer pressed, the engagement groove of the inner tube member can be deformed, and the outer tube member can be forcibly removed. [Prior art documents] [Patent documents]

[0007] [Patent Document 1] Patent Publication No. 11-127952 [Patent Document 2] Patent Publication No. 2000-300334 Summary of the Invention [Problem to be solved by the invention]

[0008] Patent Document 1 has a configuration in which the outer tube member (sleeve) is directly removed from the container. When considering separation at the time of disposal, the container can be separated into the outer tube member and the remaining parts. Therefore, if there are metal parts among the remaining parts after removing and recycling the outer tube member, these metal parts must be disposed of as waste together with the synthetic resin parts.

[0009] In Patent Document 2, a container is divided into a vertical movement mechanism consisting of an inner tube member, a plate member, and an outer tube member, and an exterior body consisting of a hakama member, an insert member, and a cap, and the vertical movement mechanism is made removable to form a cartridge-type container. In this configuration, only the vertical movement mechanism (cartridge) is discarded, and the exterior body (holder) is used repeatedly, so there is no restriction on the material of the exterior body. In addition, the vertical movement mechanism to be discarded can be disassembled into an outer tube member (sleeve), an inner tube member, and a plate member, and the outer tube member can be molded from a metal material with excellent decorative properties and strength, and the inner tube member and plate member can be molded from a synthetic resin with excellent formability, so that the outer tube member, the inner tube member, and the plate member can be separately disposed of. In order to prevent the outer tube member of the cartridge (vertical movement mechanism) attached to this exterior body from coming off, a deflection prevention piece of the exterior body is engaged with a cut groove of the inner tube member, and this prevents deformation of the engagement groove, which is the engagement part of the inner tube member and the outer tube member. When the cartridge (vertical movement mechanism) is removed, the engagement between the groove and the anti-warping piece is released, the engagement groove becomes deformable, and the outer tube member can be removed by pinching the inner tube member. Therefore, when mounting the cartridge (vertical movement mechanism) on the exterior body, the groove and the anti-warping piece must be engaged, and a predetermined position in the circumferential direction must be aligned between the cartridge (vertical movement mechanism) and the exterior body. In addition, if the width of the groove of the inner tube member is widened, the inner tube member becomes easier to deform and the force required to pinch the inner tube member is weaker, but the length of the engagement groove of the inner tube member is shortened, which shortens the engagement and retention length of the locking piece of the outer tube member, causing the outer tube member to rattle.

[0010] In view of the above, the present invention aims to provide an environmentally friendly cartridge-type stick cosmetic material dispensing container in which the red cylinder, rotating cylinder, and sleeve that make up the cartridge can be assembled without any rattling, the cartridge can be attached and detached without any problems, and the stick cosmetic material can be advanced and lowered without any problems, and the sleeve can be easily disassembled and disposed of separately when it is time to discard. [Means for solving the problem]

[0011] The red cylinder 2 holds the stick-shaped cosmetic 1 and has a threaded rod 21 hanging down from its lower end, with a male screw 211 screwed into the outer wall of the threaded rod 21. The rotating cylinder 3 into which the threaded rod 21 of the red cylinder 2 is inserted has a female screw 313 screwed into its inner wall that screws with the male screw 211 of the threaded rod 21, an engagement receiving portion 33 with an engagement groove 331 engraved into its upper outer wall, a knob 34 on its lower outer wall, and a connecting portion 36 at its lower end. The sleeve 4 houses the red cylinder 2 inside so that it can slide up and down but cannot rotate, and the engagement receiving portion 33 is inserted into the sleeve 4 with the knob 34 and connecting portion 36 of the rotating cylinder 3 protruding from the lower end. The sleeve 4 has an engagement rib 431 around its lower inner wall that rotatably engages with the engagement groove 331 of the rotating cylinder 3. The red cylinder 2, the rotating cylinder 3, and the sleeve 4 constitute a cartridge A. The connecting portion 36 of the rotating cylinder 3 of the cartridge A is detachably engaged with the holder B in a non-rotatable manner to form a cartridge-type stick-type cosmetic material feeding container.

[0012] The red cylinder 2 and the rotating cylinder 3 of this cartridge A are made of a synthetic resin material, and the sleeve 4 is made of a metal material. A pair of slits 37 are drilled in the axial direction at opposing positions on the outer wall of the rotating cylinder 3, crossing the engagement groove 331 of the engagement receiving portion 33 from above the engagement groove 331 to the lower end of the knob portion 34. By pinching and bending the knob portion 34 of the rotating cylinder 3 inward, the engagement between the engagement rib 431 of the sleeve 4 and the engagement groove 331 of the rotating cylinder 3 is released, and the cartridge A can be separated into the metal part consisting of the sleeve 4 and the synthetic resin parts consisting of the red cylinder 2 and the rotating cylinder 3.

[0013] In the above configuration, the slit 37 is made to have a generally gourd-like shape with the engaging recessed groove 331 being narrowed. Each narrowed portion 371 of the slit 37 is provided with an extension portion 334 which extends the engaging recessed groove 331. Effect of the Invention

[0014] As described above, in the present invention, the slit 37 extends from above the engagement groove 331 of the engagement receiving portion 33, crossing the engagement groove 331, and reaching the lower end of the knob portion 34. In other words, the connecting portion 36 that non-rotatably and detachably connects to the holder B is not cut out and has a necessary and sufficient strength. Therefore, a special structure for reliably connecting and holding the cartridge A and the holder B, such as the deflection prevention piece of Patent Document 2, is not required, and alignment of predetermined positions in the circumferential direction for connection is not required, and the cartridge A and the holder B can be connected and held by using a known connecting means for connecting the cartridge A and the holder B.

[0015] In addition, since the slit 37 of the rotating cylinder 3 has upper and lower ends, the knob portion 34 is difficult to bend inward, but by widening the width of the slit 37, the width of the knob portion 34 is narrowed, and the rigidity of the knob portion 34 is reduced, so that the knob portion 34 can be easily bent inward. However, if the width of the slit 37 is widened, the contact area in the circumferential direction between the inner wall of the sleeve 4 and the outer wall of the rotating cylinder 3 is reduced, and rattle occurs between the sleeve 4 and the rotating cylinder 3. To solve this problem, a constricted portion 371 is provided in the center of the slit 37, and an extension portion 334 that extends the engagement groove 331 is provided in the constricted portion 371. This extension portion 334 increases the contact area in the circumferential direction between the inner wall of the sleeve 4 and the outer wall of the rotating cylinder 3, and at the same time increases the groove length of the engagement groove 331 with which the engagement rib 431 of the sleeve 4 engages, thereby preventing rattle of the sleeve 4.

[0016] Furthermore, when holder B is attached, knob 34 of cartridge A is contained within holder B and is not exposed to the outside, so pressing portion 341 of knob 34 of cartridge A cannot be operated when holder B is attached. Therefore, when cartridge A is attached to holder B, there is no risk of inadvertent detachment of sleeve 4. [Brief description of the drawings]

[0017] [Figure 1] 1 is a front cross-sectional view of an environmentally friendly cartridge-type stick-type cosmetic material dispensing container of the present invention, with the cartridge attached to a holder. [Diagram 2]1 is a front cross-sectional view of an environmentally friendly cartridge-type stick cosmetic material dispensing container of the present invention, in a state in which the cartridge is attached to a holder and the stick cosmetic material is advanced. [Diagram 3] 1A and 1B are a front view and a front cross-sectional view of an environmentally friendly cartridge-type stick-type cosmetic material dispensing container of the present invention, with the cartridge and the holder separated. [Figure 4] 3 is a partially enlarged cross-sectional view of the portion indicated by the arrow C in FIG. 2. [Diagram 5] FIG. 2 is a perspective view of the rotating cylinder of the present invention. [Figure 6] FIG. 2 is a perspective view of the cartridge of the present invention. [Figure 7] FIG. 2 is an explanatory diagram of the assembly of the cartridge of the environmentally friendly cartridge-type stick-type cosmetic material dispensing container of the present invention. [Figure 8] 1 is an explanatory diagram of the environmentally friendly cartridge-type stick-type cosmetic material dispensing container of the present invention, showing how the cartridge sleeve is removed and disposed of separately. [Figure 9] FIG. 2 is a front view of the red barrel of the cartridge of the present invention. [Figure 10] 4 is a front half cross-sectional view of a rotating cylinder and a rotation resistance imparting means of the cartridge of the present invention. FIG. [Figure 11] FIG. 2 is a cross-sectional view of a sleeve of the cartridge of the present invention. [Figure 12] 1 is a front cross-sectional view of an embodiment of an environmentally friendly cartridge-type stick-type cosmetic material dispensing container of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0018] An embodiment of the environmentally friendly cartridge-type stick cosmetic material dispenser of the present invention will be described with reference to the drawings. The container of the present invention is a cartridge-type stick cosmetic material dispenser in which a cartridge A containing a stick cosmetic material 1 is removably attached to a holder B, and the used-up cartridge A is discarded and a new cartridge A is attached, allowing the holder B to be reused repeatedly. First, the cartridge A will be described. Cartridge A is composed of a red cylinder 2, a rotating cylinder 3, and a sleeve 4.

[0019] The pink tube 2 is made of synthetic resin, and as shown in FIG. 9, it is composed of a holding part 22 at the top and a threaded rod 21 hanging down from the holding part 22. The holding part 22 is cup-shaped to hold the bottom end of the stick-shaped cosmetic material 1, and has a rotation prevention piece 221 protruding from its outer circumferential wall. The rotation prevention piece 221 of the holding part 22 is provided at one or more places on the outer periphery. When the rotation prevention piece 221 is provided at multiple places, it is evenly arranged on the outer periphery of the holding part 22. In FIG. 9, the rotation prevention pieces 221 are evenly arranged at four places. The threaded rod 21 hanging down from the bottom end of the holding part 22 is hollow pipe-shaped, and a male screw 211 is screwed into the outer wall. The bottom end side wall of the threaded rod 21 is notched in an inverted U shape, and a pair of tongue-shaped stopper pieces 212 are formed with upper ends that can be bent inward. The stopper pieces 212 are provided at opposing positions, and have a wedge shape that gradually protrudes outward as it goes upward, with the upper end being a maximum protruding portion 213.

[0020] The rotating cylinder 3 is made of synthetic resin, and as shown in FIG. 10, has a cylindrical shape with a through hole 31 open at the top and bottom. The threaded rod 21 of the red cylinder 2 is inserted into the upper end of the through hole 31 of the rotating cylinder 3. The inner diameter of the through hole 31 is such that the threaded rod 21 can move up and down with ease. A narrowed portion 311 with a narrowed inner diameter is provided at the upper part of the through hole 31. A female screw 313 that screws into the male screw 211 of the threaded rod 21 is screwed into the inner peripheral wall of the narrowed portion 311. The step portion at the lower end of the narrowed portion 311 serves as an abutment portion 312. As shown in FIG. 2, the upper end of the stopper piece 212 of the threaded rod 21 abuts against the abutment portion 312 of the through hole 31, restricting the further rise of the red cylinder 2 (the rise limit of the red cylinder 2). 1, the lower surface of the holding portion 22 of the red tube 2 abuts against the upper surface of the rotating tube 3, restricting the further descent of the red tube 2 (the descent limit of the red tube 2). In other words, the red tube 2 abuts against the abutment portion 312 of the through hole 31 of the rotating tube 3 and the upper surface of the rotating tube 3, determining the vertical sliding range of the red tube 2. The circumscribed circle diameter of the maximum outer diameter portion 213 of the stopper piece 212 of the threaded rod 21 may be at least larger than the inner diameter of the female thread 313 in the through hole 31, but from the viewpoint of preventing the red tube 2 from falling off, it is preferable that the circumscribed circle diameter be larger than the root diameter of the female thread 313 as shown in FIG. 2.

[0021] As shown in FIG. 5, the upper outer wall of the rotating cylinder 3 is provided with a support portion 32 having a diameter almost equal to the circumscribed circle diameter φE of the rotation prevention piece 221 of the holding portion 22 of the red cylinder 2. The lower part of the support portion 32 is an engagement receiving portion 33 having a slightly enlarged outer diameter, and is connected to the support portion 32 by a gently sloping abutment step portion 333. A flange-shaped flange portion 35 is protruded from the lower end of the engagement receiving portion 33. A knob portion 34 having a diameter almost equal to the outer diameter φG of the engagement receiving portion 33 is provided below the knob portion 34. A connecting portion 36 having an outer diameter enlarged to almost the same diameter as the outer diameter of the flange portion 35 is provided below the knob portion 34, i.e., on the lower outer wall of the rotating cylinder 3. The connecting portion between the knob portion 34 and the connecting portion 36 is a step-shaped connecting step portion 361. The outer diameters of the flange portion 35 and the connecting portion 36 are almost equal to the outer diameter of the sleeve 4 described later.

[0022] A support groove 321 is engraved into the upper outer peripheral wall of the support part 32 of the rotating shell 3. An O-ring 5 molded from an elastic material such as NBR or elastomer is pivotally attached into this support groove 321 with its outer periphery protruding from the outer peripheral wall of the support part 32. An engagement groove 331 is engraved into the upper outer peripheral wall of the engagement receiving part 33 of the rotating shell 3. The corners of the upper wall surface (groove upper wall surface 332) of this engagement groove 331 are molded into a sharp shape with a small corner R. A rotation prevention knurl 362 with multiple concaves and convexes is engraved into the outer peripheral wall of the connection part 36 of the rotating shell 3 parallel to the axis.

[0023] Furthermore, a pair of slits 37 are drilled in the side wall of the rotating cylinder 3 at opposing positions along the axial direction, extending from below the support groove 321 of the support portion 32 to the lower portion of the knob portion 34. The slits 37 cross the engagement groove 331 of the engagement receiving portion 33 and the flange portion 35 at approximately the center. A narrowed constricted portion 371 is provided in the portion of the slit 37 located at the engagement groove 331 of the engagement receiving portion 33 and the flange portion 35, and is generally gourd-shaped. The engagement groove 331 and the flange portion 35 are extended in the constricted portion 371. A pair of pressing portions 341 are provided in the side wall of the divided knob portion 34.

[0024] The constricted portion 371 is provided with an extension 334 which is an extension of the engagement groove 331. The extension 334 of the engagement groove 331 is an incomplete groove without an upper wall surface of the groove or an upper wall surface 332. The width between the constricted portions 371 of the slit 37 is set to be at least twice the amount of engagement between the engagement rib 431 of the sleeve 4 and the engagement groove 331 of the rotating barrel 3.

[0025] The holding portion 22 of the red cylinder 2 and the portion above the flange 35 of the rotating cylinder 3 are inserted into the lower end of the sleeve 4, as shown in Fig. 7. The flange 35, knob 34, and connecting portion 36 of the rotating cylinder 3 protrude from the lower end of the sleeve 4. The sleeve 4 is made of a metal such as aluminum, as shown in Fig. 11, and has an outer diameter that is approximately the same as the outer diameters of the flange 35 and connecting portion 36 of the rotating cylinder 3.

[0026] The upper part of the sleeve 4 is a storage section 41 in which the stick-shaped cosmetic 1 and the holding section 22 of the rouge cylinder 2 are stored. Below this storage section 41 is a sliding contact section 42 that faces the support section 32 of the rotating cylinder 3. Below this sliding contact section 42, the lower end of the sleeve 4 is an engagement section 43 that faces the engagement receiving section 33 of the rotating cylinder 3. The inner diameter of the storage section 41 of the sleeve 4 is slightly larger than the outer diameter of the holding section 22 of the rouge cylinder 2. The inner diameter of the sliding contact section 42 is slightly larger than the outer diameter of the support section 32 of the rotating cylinder 3. The inner diameter φI of the engagement section 43 is slightly larger than the outer diameter φG of the engagement receiving section 33 of the rotating cylinder 3. As a result, the inner diameter of the sleeve 4 is larger in the lower part, from the storage section 41 to the sliding contact section 42, and from the sliding contact section 42 to the engagement section 43.

[0027] The inner wall of the storage section 41 of the sleeve 4 is provided with a guide groove 411 that is long in the axial direction and engages with the rotation prevention piece 221 of the red cylinder 2 to guide the red cylinder 2 to slide up and down without rotating. The root diameter φH of this guide groove 411 is the same as or slightly smaller than the inner diameter of the sliding contact section 42, and the lower end of the guide groove 411 reaches the upper end of the sliding contact section 42. The number of threads of this guide groove 411 is more than twice the number of the rotation prevention pieces 221 of the red cylinder 2, and is evenly arranged on the inner circumference. This allows the rotation prevention piece 221 of the red cylinder 2 to engage with the guide groove 411 from the bottom of the sleeve 4 without having to worry about alignment. The more threads of this guide groove 411 are allowed within the range of strength, moldability, and other conditions, the easier it is to align the guide groove 411 and the rotation prevention piece 221 of the red cylinder 2 during assembly. In this embodiment of the present invention, the rotation prevention pieces 221 of the red plate 2 are evenly arranged in four positions (see FIG. 9), and the guide grooves 411 of the sleeve 4 are evenly arranged in eight positions (see FIG. 11).

[0028] The O-ring 5 pivotally attached to the support groove 321 of the support portion 32 of the rotating shell 3 protrudes from the outer circumferential wall of the support portion 32 and elastically comes into sliding contact with the inner circumferential wall of the sliding contact portion 42 of the sleeve 4, thereby forming a rotational resistance imparting means 10 that generates sliding resistance when the sleeve 4 and the rotating shell 3 rotate relative to each other. The outer diameter φF of this rotational resistance imparting means 10 is slightly larger than the inner diameter of the sliding contact portion 42 of the sleeve 4.

[0029] An engagement rib 431 is provided on the inner peripheral wall of the engagement portion 43 of the sleeve 4. As shown in FIG. 7, the inner diameter φD of the engagement rib 431 is smaller than the outer diameter φG of the engagement receiving portion 33 of the rotating cylinder 3, larger than the circumscribed circle diameter φE of the rotation prevention piece 221 of the red cylinder 2, and larger than the outer diameter φF of the rotation resistance imparting means 10 of the rotating cylinder 3. As a result, when the red cylinder 2 and the rotating cylinder 3 are inserted into the sleeve 4, the engagement rib 431 of the sleeve 4 reaches the engagement receiving portion 33 of the rotating cylinder 3 without interference, overcomes the engagement receiving portion 33, and engages with the engagement groove 331 rotatably. The engagement rib 431 is formed by applying pressure from the outer periphery by rolling or the like when the sleeve 4 is a single unit, so that it protrudes in the inner periphery direction. In other words, the engagement rib 431 is formed by sandwiching the sleeve 4 with dies from both the inner and outer surfaces, so that it can be formed into the shape of the die. As shown in FIG. 4, the cross section of the engagement rib 431 in the axial direction is formed into an asymmetric shape with an edge portion 432 with a small R-corner on the upper side and a sloped inclined surface 433 on the lower side.

[0030] Next, the holder B for detachably mounting the above-mentioned cartridge A will be described with reference to the drawings. The holder B is made up of a hakama cylinder 6, a center cylinder 7, and a cap 8, all of which are made of metal.

[0031] The middle cylinder 7 has a fitting portion 71 at the top, an insertion portion 73 at the bottom, and a fastening portion 72 in the middle. The middle cylinder 7 is inserted from the top end of the bottomed cylindrical hakama cylinder 6, and the fastening portion 72 is fastened so that it cannot fall off. The fitting portion 71 of the middle cylinder 7 protrudes from the top end of the hakama cylinder 6, and a cap 8 is detachably fitted to it. An attachment opening 711 with a diameter slightly larger than the outer diameter of the connection portion 36 of the sleeve 4 and the rotating cylinder 3 opens on the top end surface of the fitting portion 71, and the cartridge A can be inserted and removed through the attachment opening 711.

[0032] The inserting portion 73 at the bottom of the middle cylinder 7 has an inner diameter slightly larger than the outer diameter of the connecting portion 36 of the rotating cylinder 3 and approximately the same as the inner diameter of the mounting opening 711 of the middle cylinder 7, into which the knob portion 34 and connecting portion 36 of the cartridge A are inserted. The inserting portion 73 is narrower than the fastening portion 72, and a gap is generated between the outer wall of the inserting portion 73 and the inner wall of the hakama cylinder 6, so that the inserting portion 73 can deform outward. A connecting protrusion 731 is provided on the inner wall of the inserting portion 73 so as to protrude in the circumferential direction. A rotation prevention rib 732 is provided on the inner wall below the connecting protrusion 731. The connecting protrusion 731 and the rotation prevention rib 732 are evenly arranged on the inner peripheral wall of the inserting portion 73. The inscribed circle diameters of the connecting protrusion 731 and the rotation prevention rib 732 are larger than the outer diameter of the knob portion 34 of the cartridge A and smaller than the outer diameter of the connecting portion 36. As shown in FIG. 3, the connecting protrusion 731 and the anti-rotation rib 732 may be provided separately, or the connecting protrusion 731 and the anti-rotation rib 732 may be combined to form a T-shape or an inverted L-shape.

[0033] The above is a cartridge-type stick cosmetic material dispensing container according to an embodiment of the present invention. When the cap 8 of the holder B is removed and the sleeve 4 of the cartridge A and the hakama cylinder 6 of the holder B are rotated relative to each other, the rotating cylinder 3, whose connecting part 36 is non-rotatably and detachably engaged with the insertion part 73 of the middle cylinder 7 of the holder B, also rotates together with the holder B. The red cylinder 2, which is non-rotatably and vertically slidably housed within the sleeve 4, has the male thread 211 of the threaded rod 21 screwed into the female thread 313 of the rotating cylinder 3, so that the red cylinder 2 slides up and down within the sleeve 4 due to the screwing action. The stick cosmetic material 1 held in the red cylinder 2 protrudes and retracts from the tip of the sleeve 4.

[0034] Next, a method of assembling the cartridge A of the cartridge-type stick-type cosmetic dispenser according to the embodiment of the present invention will be described. An O-ring 5 is pivotally attached to the support groove 321 of the support portion 32 of the rotating cylinder 3. The lower end of the threaded rod 21 of the red cylinder 2 is inserted into the narrowed portion 311 of the through hole 31 of the rotating cylinder 3 to assemble the red cylinder 2 and the rotating cylinder 3. At this time, the circumscribed circle diameter of the maximum protruding portion 213 at the upper end of the stopper piece 212 at the lower end of the threaded rod 21 is larger than the inner diameter of the narrowed portion 311 of the rotating cylinder 3, but since the stopper piece 212 has a wedge shape and can be deformed inward, it can be forcibly inserted. When the male thread 211 of the threaded rod 21 reaches the female thread 313 of the narrowed portion 311, the male thread 211 and the female thread 313 are screwed together. From this point on, the threaded rod 21 can be naturally inserted into the through hole 31 by rotating the red cylinder 2. When the upper end of the stopper piece 212 of the red cylinder 2 passes through the narrowed portion 311 of the rotating cylinder 3, the stopper piece 212 returns to its original shape because the inner diameter of the through hole 31 is larger than the circumscribed circle diameter of the maximum protruding portion 213 of the stopper piece 212 in the unloaded state. In this state, even if the red cylinder 2 is rotated and slid in the removal direction, the upper end of the stopper piece 212 abuts against the abutment portion 312 at the lower end of the narrowed portion 311, making it impossible to remove the red cylinder 2.

[0035] The holding part 22 of the red cylinder 2, the support part 32 and the engagement receiving part 33 of the rotating cylinder 3 are inserted from the rear end of the sleeve 4 as shown in Fig. 7. At this time, the circumscribed circle diameter φE of the rotation prevention piece 221 of the red cylinder 2 and the outer diameter φF of the rotation resistance imparting means 10 of the rotating cylinder 3 are smaller than the inner diameter φD of the engagement rib 431 of the sleeve 4, so that they can be inserted without any trouble. Then, the rotation prevention piece 221 of the holding part 22 of the red cylinder 2 is engaged with the guide groove 411 penetrating the lower end of the storage part 41 of the sleeve 4, and the holding part 22 of the red cylinder 2 is accommodated in the storage part 41 of the sleeve 4 so as to be freely slidable up and down. Since the outer diameter φG of the engagement receiving part 33 of the rotating cylinder 3 is larger than the inner diameter φD of the engagement rib 431 of the sleeve 4, the engagement rib 431 of the sleeve 4 abuts against the abutment step part 333 at the end of the engagement receiving part 33 of the rotating cylinder 3. The abutment step 333 of the engagement receiving portion 33 of the rotating cylinder 3 is continuous with the support portion 32 at a gentle incline. The lower side of the engagement rib 431 of the sleeve 4 forms a sloped inclined surface 433. Since the rotating cylinder 3 has a slit 37 extending vertically, when the engagement rib 431 of the sleeve 4 abuts against the abutment step 333 of the engagement receiving portion 33 of the rotating cylinder 3, the engagement receiving portion 33 easily bends inward, and the engagement rib 431 climbs over the engagement receiving portion 33. Then, the engagement rib 431 engages with the engagement recess groove 331, so that the sleeve 4 and the rotating cylinder 3 are connected to be freely rotatable.

[0036] In this embodiment, the engagement rib 431 of the sleeve 4 has a sloped inclined surface 433 on the lower side as shown in Fig. 4. Also, the engagement receiving portion 33 of the rotating cylinder 3 has a contact step portion 333 at the end portion which has a gentle slope as shown in Fig. 5. It is also possible to form only one of the engagement rib 431 or the end portion of the engagement receiving portion 33 into a slope. In this case, as in the embodiment, when the engagement rib 431 and the end portion of the engagement receiving portion 33 come into contact with each other, the engagement receiving portion 33 is bent inward by one of the slopes, and the engagement rib 431 can be easily engaged with the engagement groove 331.

[0037] Next, the procedure and principle of mounting the cartridge A into the holder B will be explained with reference to the drawings. The lower part of the cartridge A is inserted into the mounting opening 711 of the holder B, and the knob part 34 and the connecting part 36 of the rotating cylinder 3 protruding from the lower end of the sleeve 4 of the cartridge A are inserted into the insertion part 73 of the holder B. After the connecting part 36 of the rotating cylinder 3 of the cartridge A abuts against the connecting protrusion 731 of the insertion part 73 of the holder B, the cartridge A is further inserted, and the connecting part 36 of the cartridge A pushes and spreads the insertion part 73 of the holder B, and the connecting protrusion 731 overcomes the connecting part 36 of the cartridge A and engages with the connecting step part 361, thereby connecting the cartridge A and the holder B. At the same time, the rotation-stopping knurling 362 of the connecting part 36 of the cartridge A engages with the rotation-stopping rib 732 of the insertion part 73 of the holder B, and the rotating cylinder 3 of the cartridge A and the holder B are engaged so as not to rotate. When the sleeve 4 of the cartridge A and the holder B are rotated relative to each other, the rotating cylinder 3, which is non-rotatably engaged with the holder B, also rotates. This relative rotation between the sleeve 4 of the cartridge A and the rotating cylinder 3 causes the stick-shaped cosmetic material 1 in the sleeve 4 to slide up and down.

[0038] In addition, the slit 37 provided on the side wall of the rotating barrel 3 of the cartridge A ends above the connecting portion 36, so the connecting portion 36 itself is not affected by the slit 37. Therefore, the cartridge A can be sufficiently withstood insertion and removal, as well as engagement and retention of the cartridge A.

[0039] Next, a description will be given of removal of cartridge A from holder B. When the sleeve 4 of cartridge A is pulled while holding the sleeve 6 of holder B, the engagement between the connecting step portion 361 of the connecting portion 3 of cartridge A and the connecting protrusion 731 of the insertion portion 73 of holder B is released, and cartridge A can be removed from holder B.

[0040] The groove upper wall surface 332 of the engagement groove 331 of the rotating barrel 3, on which the engagement rib 431 of the sleeve 4 is caught when the cartridge A is removed, is provided only on the engagement groove 331 of the rotating barrel 3, and is not provided on the extension 334 of the constricted portion 371. In other words, the length of the groove upper wall surface 332 is shorter than the combined length of the engagement groove 331 of the rotating barrel 3 and the extension 334. However, the corner of the groove upper wall surface 332 is formed into a sharp shape with a small radius R, and the upper side of the engagement rib 431 of the sleeve 4, which is caught on the groove upper wall surface 332, is also formed into a sharp edge portion 432 with a small radius R, so that the degree of engagement between the groove upper wall surface 332 and the edge portion 432 is increased, and the engagement is made stronger. Therefore, the engagement between the sleeve 4 and the rotating barrel 3 is not released and the sleeve 4 does not fall off when the cartridge A is removed.

[0041] Next, the method of separating and disposing of the cartridge A will be described with reference to Fig. 8. The cartridge A is removed from the holder B, the sleeve 4 of the cartridge A is held, and the pressing portion 341 of the rotating cylinder 3 protruding from the lower end of the sleeve 4 is pinched to bend the support portion 32, the engagement receiving portion 33, and the pinch portion 34 cut out by the slit 37 inward. As a result, the engagement groove 331 of the engagement receiving portion 33 also moves inward, and the groove upper wall surface 332 of the engagement groove 331 that has been caught by the edge portion 432 of the engagement rib 431 of the sleeve 4 also moves inward, and the engagement between the engagement rib 431 of the sleeve 4 and the engagement groove 331 of the rotating cylinder 3 is released, and the sleeve 4 can be separated from the rotating cylinder 3 and the red cylinder 2. Then, the metal material of the sleeve 4 and the synthetic resin material of the red cylinder 2 and the rotating cylinder 3 can be separated and disposed of.

[0042] The slit 37 of the rotating cylinder 3 has a narrowed portion 371 narrowed in an approximately gourd shape, which serves as a stopper when the support portion 32, the engagement receiving portion 33, and the knob portion 34 are bent inward. The width between the narrowed portions 371 of the slit 37 is set to be slightly more than twice the catch of the engagement rib 431 of the sleeve 4 and the engagement groove 331 of the rotating cylinder 3. As a result, after the engagement rib 431 of the sleeve 4 and the engagement groove 331 of the rotating cylinder 3 are released from engagement, the narrowed portions 371 come into contact with each other, preventing the support portion 32, the engagement receiving portion 33, and the knob portion 34 of the rotating cylinder 3 from being deformed more than necessary. In addition, since the groove upper wall surface 332 is provided only on the remaining portion of the engagement receiving portion 33, the pressing amount of the pressing portion 341 of the knob portion 34 required to release the engagement between the engagement groove 331 and the engagement rib 431 can be reduced compared to the case where the groove upper wall surface 332 is made the same length as the engagement groove 331. [Explanation of symbols]

[0043] 1. Stick-type cosmetics 2 Benizutsu 3 Rotating Cylinder 4 Sleeve 21 Threaded Rod 33 Engagement receiving part 34 Knob 36 Connecting part 37 Slit 211 Male thread 313 Female thread 331 Engagement groove 332 Groove Wall 334 Extension 371 Waist 431 Engagement rib A Cartridge B Holder

Claims

1. A red cylinder (2) holds a stick-shaped cosmetic (1), has a threaded rod (21) hanging from the lower end and a male screw (211) screwed into the outer wall of the threaded rod (21); a rotating cylinder (3) into which the threaded rod (21) of the red cylinder (2) is inserted and has a female screw (313) screwed into the inner wall that screws with the male screw (211) of the threaded rod (21), has an engagement receiving portion (33) with an engagement groove (331) engraved into the upper outer wall, has a knob portion (34) on the lower outer wall, and has a connecting portion (36) at the lower end; and a sleeve (4) into which an engagement receiving portion (33) is inserted with a knob portion (34) and a connecting portion (36) of the rotating cylinder (3) protruding from the lower end, and which has an engagement rib (431) provided around the lower inner wall thereof for rotatably engaging with an engagement groove (331) of the rotating cylinder (3); and a cartridge (A) having a connecting portion (36) of the rotating cylinder (3) which is non-rotatably and detachably connected to a holder (B), The cartridge (A) has a configuration in which the red cylinder (2) and the rotating cylinder (3) are made of a synthetic resin material, the sleeve (4) is made of a metal material, and a pair of slits (37) are drilled in the axial direction at opposing positions on the outer wall of the rotating cylinder (3) so as to cross the engaging groove (331) of the engagement receiving portion (33) from above the engaging groove (331) to the lower end of the knob portion (34), and by pinching the knob portion (34) of the rotating cylinder (3) and bending it inwardly, the engagement between the engaging rib (431) of the sleeve (4) and the engaging groove (331) of the rotating cylinder (3) is released, and the cartridge (A) can be separated into a metal part consisting of the sleeve (4) and a group of synthetic resin parts consisting of the red cylinder (2) and the rotating cylinder (3), The slit (37) has an approximately gourd-like shape with a narrowed engaging groove (331), and each narrowed portion (371) is provided with an extension portion (334) that extends the engaging groove (331), thus providing an environmentally friendly cartridge-type stick-type cosmetic dispenser.

2. An environmentally friendly cartridge-type stick-type cosmetic dispenser as described in claim 1, characterized in that the width between the narrowed portions (371) of the slit (37) is more than twice the amount of engagement between the engagement rib (431) of the sleeve (4) and the engagement receiving portion (33) of the rotating cylinder (3).

3. An environmentally friendly cartridge-type stick-type cosmetic dispenser container according to claim 1 or 2, characterized in that the extension portion (334) of the engagement groove (331) does not have an upper wall surface of the groove or an upper wall surface (332) of the groove.

Images