Refill System and Cosmetic Package Incorporating Same

Abstract

Refill systems and cosmetic packages having such refill systems are provided herein. In some embodiments, a cosmetic package includes: a base having an inner volume and a drive post disposed proximate a bottom of the base, the drive post extending into the inner volume; a refill cartridge configured to be removably disposed within the inner volume of the base, the refill cartridge including a recess configured to mate with the drive post; and a cap configured to rest on the base and enclose the refill cartridge within the inner volume.

1 . A cosmetic package, comprising:
 a base having an inner volume and a drive post disposed proximate a bottom of the base, the drive post extending into the inner volume;   a refill cartridge configured to be removably disposed within the inner volume of the base, the refill cartridge including a recess configured to mate with the drive post; and   a cap configured to rest on the base and enclose the refill cartridge within the inner volume.   
     
     
         2 . The cosmetic package of  claim 1 , wherein the drive post and the recess each have an octagonal shape. 
     
     
         3 . The cosmetic package of  claim 1 , wherein the drive post includes a relief feature along an upper edge of the drive post. 
     
     
         4 . The cosmetic package of  claim 3 , wherein the relief feature is a chamfer. 
     
     
         5 . The cosmetic package of  claim 3 , wherein the recess includes a relief feature along a lower edge of the recess. 
     
     
         6 . The cosmetic package of  claim 5 , wherein the drive post relief feature and the recess relief feature are each a chamfer. 
     
     
         7 . The cosmetic package of  claim 1 , wherein the recess includes a relief feature along a lower edge of the recess. 
     
     
         8 . The cosmetic package of  claim 7 , wherein the relief feature is a chamfer. 
     
     
         9 . The cosmetic package of  claim 1 , wherein the refill cartridge is magnetically retained in the base. 
     
     
         10 . The cosmetic package of  claim 9 , further comprising:
 a magnet disposed proximate the bottom of the base, wherein the refill cartridge has a bottom formed of a magnetic material.   
     
     
         11 . The cosmetic package of  claim 10 , wherein the bottom of the refill cartridge is steel. 
     
     
         12 . The cosmetic package of  claim 9 , wherein a separation force to separate the refill cartridge and the base when magnetically coupled together is 0.1 to 3 kgf. 
     
     
         13 . The cosmetic package of  claim 1 , wherein the cap and the base are configured to magnetically retain the cap on the base. 
     
     
         14 . A cosmetic package, comprising:
 a base having an inner volume and a bottom plug disposed proximate a bottom of the base, the bottom plug including a drive post extending into the inner volume;   an annular magnet disposed atop the bottom plug and having the drive post extending through the central opening of the annular magnet;   a refill cartridge configured to be removably disposed within the inner volume of the base, the refill cartridge having a bottom formed of a magnetic material and including a recess configured to mate with the drive post; and   a cap configured to rest on the base and enclose the refill cartridge within the inner volume.   
     
     
         15 . The cosmetic package of  claim 14 , wherein the cap and the base are configured to magnetically retain the cap on the base. 
     
     
         16 . The cosmetic package of  claim 14 , wherein the drive post and the recess each have an octagonal shape. 
     
     
         17 . The cosmetic package of  claim 14 , wherein at least one of the drive post or the recess includes a relief feature to facilitate alignment of the recess with the drive post. 
     
     
         18 . The cosmetic package of  claim 17 , wherein the relief feature is a chamfer. 
     
     
         19 . The cosmetic package of  claim 14 , wherein a separation force to separate the refill cartridge and the base when magnetically coupled together is 0.1 to 3 kgf. 
     
     
         20 . A cosmetic package, comprising:
 a base having an inner volume and a bottom plug disposed proximate a bottom of the base, the bottom plug including a drive post extending into the inner volume, wherein the drive post is octagonal and includes a chamfer along an upper edge of the drive post;   an annular magnet disposed atop the bottom plug and having the drive post extending through the central opening of the annular magnet;   a refill cartridge configured to be removably disposed within the inner volume of the base, the refill cartridge having a bottom formed of a magnetic material and including an octagonal recess configured to mate with the drive post, the recess having a chamfer disposed along a lower edge of the recess to facilitate alignment of the recess with the drive post; and   a cap configured to rest on the base and enclose the refill cartridge within the inner volume, wherein the cap and the base are configured to be magnetically retained to each other.