Sovereign Item 1. A filter device for connecting a cup body and a cup cover, which is composed of a filter screen (1), a screen holder (2) and a connecting piece (3), and is characterized by: a. There is a mesh holder (2) connected to the outer circumference of the circular filter screen (1); b. The connector (3) connecting the mesh holder (2) has a ring (4) with external threads at the top and a round pedestal (5) at the bottom. , a groove (6) is opened upward in the lower circular mouth, and the groove wall is provided with internal threads.
Publication number 2444519
Publication date 2001-08-29
Patent agency Anhui Patent Office
Agent Chen Qixia
Certification date 2001-07-27
There is no panda pattern, otherwise you can check it yourself