US 12,357,072 B2
Airtight loose powder container
Haiying Yang, Kunshan (CN)
Assigned to SHYA HSIN PACKAGING INDUSTRY (CHINA) CO., LTD., Kunshan (CN)
Filed by SHYA HSIN PACKAGING INDUSTRY (CHINA) CO., LTD., Kunshan (CN)
Filed on Jul. 18, 2022, as Appl. No. 17/866,589.
Claims priority of application No. 202210482941.8 (CN), filed on May 5, 2022.
Prior Publication US 2023/0354984 A1, Nov. 9, 2023
Int. Cl. A45D 33/24 (2006.01); A45D 33/00 (2006.01); A45D 33/02 (2006.01)
CPC A45D 33/24 (2013.01) [A45D 33/003 (2013.01); A45D 33/025 (2013.01); A45D 2200/051 (2013.01)] 8 Claims
OG exemplary drawing
 
1. An airtight loose powder container, comprising an outer lid, an inner lid, an inner sifter and a base, wherein the inner sifter is airtightly provided at an open end of the base, and the inner sifter is located between the inner lid and the base; the inner lid and the inner sifter are hinged through a hinge unit; the hinge unit is elastic, such that the inner lid under stress moves toward the inner sifter; and when the outer lid covers the base, the outer lid squeezes the inner lid, such that the inner lid is airtightly attached to the inner sifter;
wherein the hinge unit comprises a hinge shaft, a lug, and an elastic member; the hinge shaft is provided on the inner lid; the inner sifter is provided with an upper open end and a lower open end; a channel for allowing a material to pass through is formed in the lower open end; the upper open end extends upward to form the lug; a hinge hole and an aperture communicating with each other are formed in the lug; the hinge shaft is placed into the hinge hole through the aperture, such that the inner lid is hinged with the inner sifter; and the elastic member for supporting the hinge shaft is further provided on the lug; and
wherein the elastic member comprises two elastic claws, each of the elastic claws is obliquely arranged relative to a horizontal plane, such that the hinge shaft is clamped into the hinge hole through the aperture along the elastic claws, and a free end of both of the elastic claws points to the hinge shaft when the hinge shaft is clamped in the hinge hole.