JP2006217963A - Resin tray - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a resin tray with excellent impact resistance, capable of firmly holding a solid cosmetic material. <P>SOLUTION: The resin tray 1 is integrally molded by means of metal molding. A cosmetic material storage recess 1a for storing the solid cosmetic material is formed on the upper surface, and an annular recessed groove 7 extending in the circumferential direction is formed on the inner surface of the cosmetic material storage recess 1a when the resin tray is metal-molded. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a resin dish that contains a solid cosmetic material inside.

  Conventionally, as a cosmetic container for storing and carrying a solid cosmetic such as a foundation, as shown in FIG. 14, a container main body 31 having a cosmetic dish receiving recess 31a formed on the upper surface, and an upper surface of the container main body 31 are provided. What is provided with a lid body 32 for covering and a cosmetic dish 33 accommodated in the cosmetic dish accommodating recess 31a of the container main body 31 is filled with a powder cosmetic 34 and hardened by press molding. It is often used. Moreover, although the metal plate (gold plate) and the synthetic resin plate (resin plate) are used as the said makeup | decoration plate 33, when the said makeup | decoration plate 33 is a resin plate, compared with a metal plate. When the solidified powder cosmetic 34 has a weak holding power and an impact in the vertical direction or the like acts on the decorative dish 33, the solidified powder cosmetic 34 peels from the decorative dish 33 due to the impact or the like. There is a problem of slipping out of the dish 33 or being damaged.

Therefore, in order to make the holding power of the resin tray equal to or higher than the holding power of the metal pan, as shown in FIG. 15, the synthetic resin inner tray main body 35 for storing the solid cosmetic (not shown) is used. A plurality of vertical grooves 36 are arranged in parallel on the left and right sides of the portion extending from the lower portion of the inner side wall 35a to the bottom surface (the portion of the inclined surface formed in a curved shape). There has been proposed a middle dish of a compact container in which vertical ridges 37 are provided so as to protrude all the way. In this intermediate dish, the contact area between the intermediate dish main body 35 and the solid cosmetic can be increased by the vertical grooves 36 and the vertical protrusions 37, so that the frictional engagement force is increased and high retention is exhibited. Thus, peeling of the solid cosmetic can be prevented (see, for example, Patent Document 1).
JP 2004-180798 A

  However, in the above-described intermediate dish, the contact area between the intermediate dish main body 35 and the cosmetic can be increased by providing the intermediate dish main body 35 with the vertical grooves 36 and the vertical protrusions 37. The plate body 35 is formed on the left and right sides of the dish body 35 from the lower portion of the inner side wall 35a to the bottom surface (of the inclined surface that is inclined in a curved shape), and the vertical protrusions 37 protrude from the four corners of the corner. Therefore, the holding force in the vertical direction is small. Therefore, when a vertical impact or the like is applied to the inner tray main body 35, the solid cosmetic is peeled off from the inner tray main body 35 due to the impact or the like, and is pulled out of the inner tray main body 35 or damaged. The problem remains that it cannot be prevented.

  This invention is made | formed in view of such a situation, The objective is to provide the resin dish which can hold | maintain solid cosmetics firmly and was excellent in impact resistance.

  In order to achieve the above object, the resin dish of the present invention is a resin dish integrally molded by mold molding, wherein a cosmetic containing recess for containing solid cosmetic is formed on the upper surface, and the gold At the time of molding, a configuration is adopted in which a groove extending in the circumferential direction is formed on the inner peripheral surface of the cosmetic housing recess.

  In other words, the resin dish of the present invention is a resin dish integrally molded by mold molding, and has a cosmetic housing recess for housing solid cosmetics formed on the upper surface. A groove extending in the circumferential direction is formed on the inner peripheral surface of the housing recess. Therefore, in the resin dish of the present invention, when the cosmetic housing recess is filled with the powder cosmetic and solidified by press molding, the powder cosmetic is formed along the circumferential direction on the inner peripheral surface of the cosmetic housing recess. Since the powder cosmetics solidified by the press molding (that is, the solid cosmetics) are partly protruded in the circumferential direction and bite into the concave grooves. In this state, it is firmly held by the resin dish. In addition, since a part of the outer peripheral portion of the solid cosmetic is held in a state of being bitten into the concave groove, the resin dish has a large holding force in the vertical direction with respect to the solid cosmetic, and the resin dish Even when an impact or the like in the vertical direction is applied, the solid cosmetic does not peel off from the resin dish due to the impact or the like and does not come out of the resin dish or be damaged. In the present invention, the concave groove may be formed in an annular shape in a state of being continuously connected to the entire circumference of the inner peripheral surface of the cosmetic containing concave portion, or may be interrupted at one or a plurality of locations. Good.

  In addition, when the concave groove is formed in an annular shape over the entire circumference of the inner peripheral surface of the cosmetic accommodating recess, a portion of the outer peripheral portion of the solid cosmetic that bites into the concave groove of the decorative dish accommodating concave Therefore, the holding force in the vertical direction of the resin dish is increased as compared with the case where the portion cut into the concave groove is interrupted at one place or a plurality of places. In the present invention, the term “annular” includes not only the case of being connected in an annular shape, but also includes all cases of being connected in series such as when connected in a polygonal shape.

  Further, when at least one of the concave portion and the convex portion is formed on the bottom surface of the cosmetic containing concave portion, the solid cosmetic can be held also by at least one of the concave portion and the convex portion. The holding force of the resin pan against the material is further increased.

  Next, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 shows an embodiment of the resin dish of the present invention. In the figure, reference numeral 1 denotes a resin dish in which a cosmetic containing recess 1a having a substantially rectangular shape in plan view is formed on the upper surface, and a solid cosmetic (solid cosmetic) 2 such as a foundation is received in the cosmetic receiving recess 1a. ing. The solid cosmetic 2 is a product (molded product) prepared by filling the cosmetic containing recess 1a with the powder cosmetic 2a and then pressing and compacting it with a press machine or the like. The resin dish 1 is removably accommodated in a decorative dish accommodating recess (not shown) of the container body for refilling or the like.

  As shown in FIGS. 2 to 5, the resin dish 1 includes a substantially rectangular cylindrical peripheral side wall 5 and a substantially rectangular flat plate-shaped bottom wall 6. The enclosed portion is formed in the cosmetic material housing recess 1a. The peripheral wall 5 has an inner peripheral surface (that is, an inner peripheral surface of the cosmetic housing recess 1 a), and a lower end inner peripheral edge (that is, an outer peripheral edge of the upper surface 6 a of the bottom wall 6) from the upper surface opening of the peripheral side wall 5. It is formed in a tapered surface that is inclined outwardly outward (in the shape of a truncated cone that extends downward), and is formed in an annular shape along the circumferential direction on the entire circumference of this tapered inner peripheral surface. The annular concave grooves 7 are arranged in two rows. And since the powder cosmetic 2a is pressed and hardened in the state where it bites into the both annular grooves 7 at the time of the press molding, the holding power of the resin dish 1 with respect to the solid cosmetic 2 increases, and the solid cosmetic 2 is difficult to slip out of the resin dish 1. Moreover, since the internal peripheral surface of the said surrounding side wall 5 is formed in the truncated cone-shaped taper surface which expands toward the lower side, the solid cosmetics 2 become difficult to come out to the outer side of the resin dish 1 further.

  Further, the outer peripheral surface of the peripheral side wall 5 is formed with an engaging concave groove 8a formed in an annular shape along the circumferential direction on the entire periphery of the lower end portion thereof. In the accommodated state, it is detachably engaged with an elastic member or the like (not shown) fixed to the decorative dish accommodating recess (any one of the portions corresponding to the engaging groove 8a). ing. Moreover, the substantially rectangular recessed part 8b (refer FIG. 5) is formed in the outer peripheral surface of the said surrounding side wall 5 in the opposite both sides (right-and-left both sides or both front-and-rear both sides), In a state of being accommodated in the decorative dish receiving recess, it can be freely attached to and detached from an engaged portion (not shown) fixed to opposite sides (right and left sides or both front and rear sides) of the inner peripheral surface of the decorative dish receiving recess. Can be engaged.

  On the top wall 6a, a rectangular inner convex portion 9a and an outer convex portion 9b larger than the convex shape are provided on the upper surface 6a of the bottom wall 6, and the two convex portions 9a and 9b are used for the solid cosmetic 2. The holding power of the resin tray 1 is further increased.

  The resin dish 1 is manufactured using a molding die 10 shown in FIG. The molding die 10 includes a fixed-side male mold 11 and a movable-side female mold 12 having a recess 12a. The molding surface 11a of the male mold 11 and the molding surface 12b of the female mold 12 are as follows. That is, the molding space 13 is formed in a space surrounded by (that is, the inner peripheral surface of the recess 12a of the female die 12).

  On the molding surface 11a of the male mold 11, as shown in FIG. 7, an annular ridge portion 11b connected in a substantially quadrangular ring shape is formed in the upper and lower stages at the tip end portion (the upper end portion in the figure). Then, a molten synthetic resin material (not shown) fed from the injector is pressurized and filled into the molding space 13 through the passage 12c drilled in the female mold 12 (see the arrow), and the resin dish 1 And forming the cosmetic receiving recess 1a of the resin dish 1 and forming the annular recess in the cosmetic receiving recess 1a corresponding to the annular projecting ridge 1b. A groove 7 (see FIG. 2) is formed.

  The male mold 11 includes a central main body 15 formed in a substantially regular octagonal truncated pyramid shape, and an outer peripheral side surface of the central main body 15 (described later, 8 formed along the axial direction of the central main body 15). Eight slide parts 18 and 19 slidably assembled to the guide surfaces 16 and 17), auxiliary members 20 to 23 (see FIG. 8), and an outer peripheral cylinder part 24 on which the female mold 12 is placed. (See FIG. 6).

  As shown in FIG. 9, the central body 15 has one end surface (not shown) formed with recesses (not shown) corresponding to the two protrusions 9a and 9b (see FIG. 2) of the bottom wall 6 of the resin dish 1. In the figure, it has an upper end surface) 15a, an other end surface (lower end surface) 15b larger than the one end surface 15a, and an outer peripheral side surface composed of eight guide surfaces 16 and 17. Four of these eight guide surfaces 16, 17 are tapered guide surfaces 16 formed at the same inclination angle with respect to the axis of the central body 15, and the remaining four are the tapered shapes described above. It is a rectangular guide surface 17 disposed between the guide surfaces 16 and formed at the same inclination angle with respect to the axis, and the inclination angle of the square valley portion of each of the rectangular guide surfaces 17 is the above-described inclination angle. The tapered guide surface 16 is formed smaller than the inclination angle.

  Each of the tapered guide surfaces 16 has the same shape and extends with the same width along the axis, and a single slide groove 16a is formed at the center along the axis. . Each of the rectangular guide surfaces 17 has the same shape and extends from the upper end surface 15a to the lower end surface 15b so as to expand in width (in the form of a trapezoid when viewed from the front). A single slide groove 17a is formed along the axial center in the (i.e., the square valley). Such four tapered guide surfaces 16 are composed of two tapered guide surfaces 16 opposed to each other and two tapered guide surfaces 16 opposed to each other in a direction perpendicular to both the tapered guide surfaces 16. In addition, the four cross-shaped guide surfaces 17 include two cross-shaped guide surfaces 17 facing each other, and two cross-shaped guide surfaces 17 facing each other in a direction perpendicular to both the cross-shaped guide surfaces 17. It is made up of.

  As shown in FIG. 7, four of the eight slide portions 18 and 19 are corner slide portions 18 whose inner side surfaces slidably abut against the respective tapered guide surfaces 16. No. 4 is a side portion slide portion 19 whose inner side surface is slidably in contact with each of the above-mentioned square-shaped guide surfaces 17. Each of the corner slide portions 18 has the same shape, and a protrusion 18a is slidably fitted into the slide groove 16a of each tapered guide surface 16 from the inner surface thereof, and the upper end portion thereof. Are formed in a shape corresponding to each corner of the resin dish 1 and the annular grooves 7 of the cosmetic-containing recess 1a of the resin dish 1 are formed from the outer surface. Two upper and lower ridge portions 18b are provided.

  Further, the side portion slide portions 19 have the same shape, and projecting ridges 19a that slidably fit into the slide grooves 17a of the respective letter-shaped guide surfaces 17 from the inner surface thereof. The outer peripheral surface of the upper end portion is formed in a shape corresponding to each side portion of the resin dish 1, and the two annular grooves 7 of the cosmetic accommodating recess 1 a of the resin dish 1 are formed from the outer peripheral surface. Two upper and lower ridges 19b for forming are formed. In FIG. 7, 18 c is the upper end surface of each of the corner portion slide portions 18, and 19 c is the upper end surface of each of the side portion slide portions 19.

  The auxiliary members 20 to 23 are provided on the left and right sides of the outer surface of each corner slide portion 18 and in contact with the auxiliary members 20 and 21 and the side side slide portions 19. The auxiliary members 22 and 23 are arranged in contact with the left and right sides of the outer surface. Further, the inner peripheral surface 24a (see FIG. 6) of the outer peripheral cylindrical portion 24 is assembled on the upper end surface 15a of the central body portion 15 and the slide portions 18, 19 by assembling the slide portions 18 and 19 to the central body portion 15. In the state where the end surfaces 18c and 19c are flush with each other and the auxiliary members 20 to 23 are disposed in contact with the left and right sides of the outer surfaces of the slide portions 18 and 19, the upper ends of the slide portions 18 and 19 It is formed so as to be slidably fitted to a lower part than a part (a part formed in a shape corresponding to each corner part and each side part of the resin dish 1).

  Then, the male mold 11 is set (that is, the slide portions 18 and 19 are assembled to the central body portion 15 so that the upper end surface 15a of the central body portion 15 and the upper end surfaces 18c and 19c of the slide portions 18 and 19 face each other. In addition, the tip portions of the slide portions 18 and 19 are brought into close contact with each other, and both the ridge portions 18b and 19b of the slide portions 18 and 19 are connected in series in an annular shape. In the state in which the auxiliary members 20 to 23 are disposed on both the left and right sides of the outer surface of the outer peripheral surface and the outer peripheral cylindrical portion 24 is assembled to the outer peripheral portion thereof, the upper end surface 15a of the central body 15 and the slide portions 18, A molding surface 11a of the male mold 11 is constituted by the upper end surfaces 18c and 19c of the upper end 19, the outer peripheral surfaces of the upper ends of the slide portions 18 and 19, and the upper end surfaces of the auxiliary members 20 to 23. . The upper end portion of the molding surface 11a of the male mold 11 protrudes in the direction orthogonal to the axial center over the entire circumference by the two protruding portions 18b and 19b of the slide portions 18 and 19, Both the annular ridges 11b (both the ridges 18b and 19b of the slide portions 18 and 19 are connected in series) correspond to the both annular grooves 7 of the cosmetics accommodating recess 1a of the resin dish 1. is doing.

  Then, in a state where the female mold 12 is set on the male mold 11, the synthetic resin in a molten state sent from the injection machine into the molding space 13 surrounded by the molding surfaces 11a and 12b of the both molds 11 and 12 The material is pressure-filled and the resin dish 1 is molded. As a result, it is possible to obtain the resin dish 1 in which both the annular grooves 7 are formed on the inner peripheral surface of the cosmetic housing recess 1a and the both protrusions 9a, 9b are formed on the bottom surface.

  On the other hand, when the molded resin pan 1 is removed from both the molds 11 and 12 after the mold is formed, the molded product is placed on the upper ends of the slide parts 18 and 19 after the female mold 12 is opened. In this state, the slide portions 18 and 19 are slid upward while being brought into contact with the guide surfaces 16 and 17 of the central body portion 15. At this time, since the inclination angle of each tapered guide surface 16 is different from the inclination angle of the square valley portion of each square guide surface 17, the slide portions 18 and 19 are slid without colliding with each other. be able to. As a result of this slide, the outer periphery of the gathering portion where the upper end portions of the slide portions 18 and 19 gather is reduced in diameter so as to be smaller than the cosmetic accommodating recess 1a and the annular recess grooves 7 of the resin dish 1 (FIGS. 10 and 11) See), and the molded resin pan 1 can be removed.

  As described above, in this embodiment, when the cosmetic material containing recess 1a of the resin dish 1 is filled with the powdered cosmetic material 2a and hardened by press molding, the powder cosmetic material 2a is provided in the cosmetic containing recess 1a. Since the solid cosmetic 2 solidified by press molding is solidified in the state where it enters the annular grooves 7, a part of the outer peripheral portion protrudes in the circumferential direction and bites into the annular grooves 7. And is firmly held by the resin tray 1. Moreover, since a part of the outer peripheral portion of the solid cosmetic 2 is held in a state where it bites into the both annular grooves 7, the holding force in the vertical direction of the resin dish 1 with respect to the solid cosmetic 2 is large. Even when a vertical impact is applied to the resin dish 1, the solid cosmetic 2 is not peeled off from the resin dish 1 due to the impact and does not come out of the resin dish 1 or be damaged.

  FIG. 12 shows another embodiment of the resin dish of the present invention. In this embodiment, in the above-described embodiment, both the upper and lower two rows of annular grooves 7 formed on the peripheral side wall 5 of the resin dish 1 are not continuous in series and are interrupted at a plurality of locations. That is, a plurality of concave grooves 7a extending at a predetermined length along the circumferential direction are formed on the inner peripheral surface of the peripheral side wall 5 in a state of being arranged in a substantially annular shape at a predetermined interval along the circumferential direction. The upper and lower two rows of groove groups are formed of a plurality of these groove grooves 7a (arranged substantially annularly along the circumferential direction). Other parts are the same as those in the above embodiment, and the same reference numerals are given to the same parts. This embodiment also has the same operations and effects as the above embodiment.

  FIG. 13 shows still another embodiment of the resin dish of the present invention. In this embodiment, in place of the upper and lower two rows of annular grooves 7 in the embodiment shown in FIGS. 1 to 5, a concave groove 7b having a continuous V shape (saw tooth shape) (this groove). 7 b may be one or plural), but is formed on the inner peripheral surface of the peripheral side wall 5 of the resin dish 1. Further, the convex portions 9 a and 9 b are not projected from the upper surface of the bottom wall 6 of the resin dish 1. Other parts are the same as those in the embodiment shown in FIGS. 1 to 5, and the same reference numerals are given to the same parts. Also in this embodiment, the same operation and effect as the embodiment shown in FIGS.

  In addition, in each said embodiment, although solid cosmetics, such as a foundation, are used as the solid cosmetic 2, it is not limited to this, Various solid cosmetics 2 can be used. In the embodiment shown in FIGS. 1 to 5, the annular groove 7 may be one row or three or more rows.

It is a top view which shows one Embodiment of the resin dish of this invention. It is sectional drawing of the said resin pan. It is a top view of the said resin pan. It is a side view which shows one side of the said resin pan. It is a side view which shows the other side of the said resin dish. It is explanatory drawing of a shaping die. It is a perspective view of the principal part of a male type. It is a top view of the said male type | mold. It is a perspective view of a center main-body part. It is explanatory drawing which shows the effect | action of the said male type | mold. It is a top view which shows the effect | action of the said male type | mold. It is sectional drawing which shows other embodiment of the resin dish of this invention. It is sectional drawing which shows other embodiment of the resin pan of this invention. It is a perspective view which shows a prior art example. It is a perspective view which shows another prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Resin dish 1a Cosmetics accommodation recessed part 7 Annular groove

Claims (3)

  It is a resin dish integrally molded by mold molding, on the upper surface, a cosmetic housing recess for housing solid cosmetics is formed, and at the time of molding the mold, on the inner peripheral surface of the cosmetic housing recess, A resin dish, wherein a groove extending in the circumferential direction is formed.   The resin dish according to claim 1, wherein the concave groove is formed in an annular shape over the entire circumference of the inner peripheral surface of the cosmetic-accommodating concave portion. The resin dish according to claim 1 or 2, wherein at least one of a concave portion and a convex portion is formed on a bottom surface of the cosmetic material containing concave portion.

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