Patent ID: 9648939
Date: 2017-05-16
CPC Classifications: A45C,A45F,A63B

Claim:
1. A powder bag having a top and a first mouth at the top, comprising: a bag body having an internal wall, a major space and a secondary space, wherein the major space and the secondary space is partitioned by a partition interface; and the secondary space inside the major space, being in a pocket based shape, having a second mouth and a second switch element for opening and closing the second mouth, connected with the internal wall and used for containing a powder substance, wherein the secondary mouth is inside the major space, the secondary mouth faces toward the first mouth and has a dimension up to that of the first mouth when opened, and the partition interface has a porous surface with a plurality of pores and each of the plurality of pores having a dimension which allows a part of the powder substance to transfer from the secondary space to the major space.