US 12,465,168 B2
Filter container, filter assembly, and extraction device
Chao Hsuan Chiu, New Taipei (TW); and Ying Lun Hsu, New Taipei (TW)
Assigned to WISTRON CORP., New Taipei (TW)
Filed by WISTRON CORP., New Taipei (TW)
Filed on Apr. 6, 2022, as Appl. No. 17/714,438.
Claims priority of application No. 110145853 (TW), filed on Dec. 8, 2021.
Prior Publication US 2023/0172390 A1, Jun. 8, 2023
Int. Cl. A47J 31/06 (2006.01); A47J 31/00 (2006.01); B01D 25/00 (2006.01); B01D 29/50 (2006.01)
CPC A47J 31/002 (2013.01) [A47J 31/06 (2013.01); A47J 31/0626 (2013.01); A47J 31/0663 (2013.01); B01D 25/00 (2013.01); B01D 29/50 (2013.01); B01D 2201/0407 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A filter container comprising:
a main part comprising a surrounding portion, an opening, and a coupling portion, wherein the opening and the coupling portion are respectively located at two opposite sides of the surrounding portion; and
a filter piece arranged at the coupling portion;
wherein the filter piece comprises a first layer, a second layer, and a third layer, part of the first layer is located between the second layer and the third layer, periphery of the first layer is attached to the second layer and the third layer, one of the second layer and the third layer is fixed to the main part, and the second layer and the third layer respectively partially expose two opposite surfaces of the first layer; and
wherein the main part further comprises an attaching portion, the attaching portion radially extends inward from an annular end edge located away from the opening of the surrounding portion, the coupling portion is defined by the attaching portion, and the filter piece is fixed to the attaching portion.