Cosmetic package for dispensing a semi solid cosmetic product

Abstract

A cosmetic package for storing and dispensing a semi-solid product. The cosmetic package includes a dispensing assembly and a cap. The dispensing assembly comprises an outer container, an inner container, a screw rod assembly, a piston, and a dialer. The outer container includes discharge slits on its top wall for dispensing the product. The inner container, housed within the outer container, stores the semi-solid product. The screw rod assembly and piston are housed within the inner container to move the product upward when the dialer is rotated. The dialer is engaged to lower ends of the screw rod assembly and the inner container. An integrally formed cutter is located on a lower surface of top of the outer container, adjacent each of the discharge slits, that allows the product to be dispensed in a particular form through the discharge slits.

What is claimed is: 
     
         1 . A cosmetic package for storing and dispensing a semi-solid product, comprising:
 an outer container with a top wall and a sidewall, the top wall having discharge slits for dispensing the semi-solid product on a dispensing surface, the dispensing surface defined by an upper surface of the top wall of the outer container;   an inner container housed within the outer container, configured to store the semi-solid product;   a screw rod assembly and a piston housed within the inner container, wherein rotation of the screw rod assembly moves the piston upward to push the semi-solid product towards the dispensing surface;   a dialer non-rotatably engaged to a lower end of the screw rod assembly, and rotatably engaged to a lower end portion of the inner container;   wherein a cutter is integrally formed on a lower surface of the dispensing surface of the outer container, adjacent each of the discharge slits;   wherein the dialer, when rotated, causes the screw rod assembly to rotate and the piston to move upward, dispensing the product, along the cutter and through the discharge slits, to the dispensing surface, and   wherein the outer container and the inner container do not rotate when the dialer is rotated.   
     
     
         2 . The cosmetic package according to  claim 1 , wherein the outer container is formed as a single integral body; and wherein the sidewall of the outer container includes a cylindrical body portion, a shoulder portion, and a neck portion; and wherein the cylindrical body portion extends along a majority of the length of the outer container enveloping the inner container. 
     
     
         3 . The cosmetic package according to  claim 1 , wherein the dispensing surface has an inclined peripheral surface encircling a central flat area. 
     
     
         4 . The cosmetic package according to  claim 3 , wherein the dispensing surface includes at least two discharge slits located on the central flat surface; wherein the two discharge slits are oriented lengthwise towards a center point of the central flat surface; and wherein each of the two discharge slits has a length greater than a breadth thereof by at least nine times. 
     
     
         5 . The cosmetic package according to  claim 1 , the cosmetic package further includes an inner cover that is configured to cover and abut the dispensing surface of the outer container, when the cap is engaged to the outer container; wherein the inner cover has a bottom wall and a cylindrical sidewall that extends upward from a periphery of the bottom wall enclosing a hollow space; and wherein the shape of the inner cover's bottom wall corresponds to that of the dispensing surface of the outer container so that the inner cover's bottom wall closely abuts the dispensing surface. 
     
     
         6 . The cosmetic package according to  claim 1 , wherein the cutter is a thin, flat, blade-like structure with a free zigzag shaped edge facing the interior of the outer container and an opposite joining edge that connects to the lower side of the dispensing surface. 
     
     
         7 . The cosmetic package according to  claim 1 , wherein the outer container has two discharge silts that are spaced circumferentially at an angle greater than 90 degrees on the dispensing surface; and wherein the discharge silts have different lengths. 
     
     
         8 . The cosmetic package according to  claim 1 , the cutter dispenses the product in a thin, ribbon-like form. 
     
     
         9 . The cosmetic package according to  claim 2 , wherein the neck portion of the outer container includes an annular protrusion on an outer surface thereof, and wherein the annular protrusion is configured to be received in a peripheral indentation provided on an inner surface of a sidewall of a cap to removably engage the outer container to the cap. 
     
     
         10 . The cosmetic package according to  claim 2 , wherein the outer container includes multiple evenly spaced male protrusions that are located on an inner surface of the neck portion near a lower end thereof; and wherein a plurality of projections formed on outer surface of the inner container fit within circumferential spaces formed between the multiple evenly spaced male protrusions of the outer container. 
     
     
         11 . The cosmetic package according to  claim 1 , wherein the inner container has a cylindrical structure comprising a sidewall having an open upper end an open lower end; and wherein the inner container comprises an annular snap protrusion, on outer circumference of the sidewall thereof, configured to be received within an annular snap groove located on an inner circumference of the outer container. 
     
     
         12 . The cosmetic package according to  claim 10 , wherein the outer surface of the inner container includes a first outer annular flange positioned axially beneath the annular snap protrusion; wherein the first outer annular flange includes the plurality of projections uniformly and circumferentially spaced from one another; wherein A second outer annular flange is located below the first outer annular flange positioned in continuation without any axial gap; wherein located near a lower portion of the inner container is a third outer annular flange; wherein the outer surface of the inner container includes an inverted L-shaped flange, positioned below the third outer annular flange; and a sidewall of this inverted L-shaped flange incorporates an annular snap bead on an outer surface thereof for securing the inner container to the dialer. 
     
     
         13 . The cosmetic package according to  claim 1 , wherein the screw rod assembly is received in the inner container; wherein the screw rod assembly includes an elongated shape screw rod with threads formed along its outer surface and a support plate is integrally connected at a lower end of the screw rod. 
     
     
         14 . The cosmetic package according to  claim 13 , wherein the support plate is a disc secured on a bottom part of the inner container and fits snugly into an annular snap groove located on an inner surface of the bottom part of the inner container, allowing relative rotational movement between them. 
     
     
         15 . The cosmetic package according to  claim 13 , wherein a cylindrical part extends from a lower surface of the support plate, the cylindrical part extends outside an open lower end of the inner container; wherein multiple ribs extend radially on the lower surface of the support plate surrounding the cylindrical part. 
     
     
         16 . The cosmetic package according to  claim 1 , wherein the piston has an annular inner wall, an annular outer wall and a plate-shaped transverse annular wall connecting the annular inner wall to the annular outer wall; wherein the annular outer wall elastically contact with the inner surface of the inner container; wherein the annular inner wall of the piston has a through hole, with screw threads formed in an inner periphery thereof; and wherein the annular inner wall allows the screw rod to passed through the through hole while the screw threads of the piston are configured to be connected to threads of the screw rod. 
     
     
         17 . The cosmetic package according to  claim 16 , wherein the annular inner wall of the piston accommodates a central plug in the hollow interior thereof at an upper section thereof; wherein the central plug is a hollow cylindrical body with a through-hole is formed at the center thereof; and wherein the inner periphery of a lower end portion of the central plug is provided with corresponding threads to match with the threads of the screw rod. 
     
     
         18 . The cosmetic package according to  claim 1 , wherein the dialer is cylindrically shaped and is connected to the lower end of the inner container, particularly to an inverted L-shaped flange located on the outer surface of the inner container; wherein the dialer includes a peripheral wall and a bottom wall; wherein an annular groove is provided at upper end portion of an inner periphery of the peripheral wall of the dialer, which securely fastens onto an annular snap bead located on the outer surface of the inverted L-shaped flange of the inner container. 
     
     
         19 . The cosmetic package according to  claim 18 , wherein the dialer has four group of protrusions which are located equidistant on an inner surface of the bottom wall of the dialer wherein the four group of protrusions configured to be engaged between multiple ribs located at lower face of a support plate of the screw rod assembly, for a non-rotatable engagement between the dialer and the screw rod assembly. 
     
     
         20 . A cosmetic package for storing and dispensing a semi-solid product, comprising:
 a dispensing assembly and a cap removably engaged to each other, the dispensing assembly comprises an outer container, an inner container, a screw rod assembly, a piston, and a dialer;   wherein the outer container includes a top wall and a sidewall;   wherein the top wall of the outer container includes discharge slits for dispensing the semi-solid product on a dispensing surface,   wherein the dispensing surface is defined by an upper surface of the top wall of the outer container;   wherein the inner container is housed within the outer container, the inner container is configured to store the semi-solid product;   wherein the screw rod assembly and the piston are housed within the inner container, wherein rotation of the screw rod assembly moves the piston upward to push the semi-solid product towards the dispensing surface;   wherein the dialer is non-rotatably engaged to a lower end of the screw rod assembly, and rotatably engaged to a lower end portion of the inner container;   wherein a cutter is integrally formed on a lower surface of the dispensing surface of the outer container, adjacent each of the discharge slits;   wherein the dialer, when rotated, causes the screw rod assembly to rotate and the piston to move upward, dispensing the product, along the cutter and through the discharge slits, to the dispensing surface, in a thin, ribbon-like form;   wherein the screw rod assembly includes an elongated shape screw rod with threads formed along an outer surface of the screw rod, and a support plate is connected at a lower end of the screw rod; and   wherein the outer container and the inner container do not rotate when the dialer is rotated.