Patent ID: 7976772
Filing Date: 2011-07-12
Classification: C22B,Y02P

Abstract:
1. A filter, comprising: a crucible having a heater for heating a pre-filtered object to comprise a primary material in liquid and at least one other material in solid; a filtering container having a body connecting with the crucible for receiving the heated pre-filtered object in a channel and providing a guide-out member, a sieve disposed in the channel and a press rod movably received in the channel for pressing the primary material of the pre-filtered object to flow through the sieve and to the guide-out member; and a receiving tank having an entrance facing the guide-out member of the filtering container to receive the filtered primary material, wherein the sieve forms an end of the press rod and the press rod has a passageway connecting with the sieve and linking to the guide-out member, wherein the channel penetrates the body, with one end of the channel being coupled with an outlet valve and the other end of the channel being for the press rod to be inserted into, wherein the outlet valve has a base fixing on the filtering container and having an opening align with the channel, a slide shaft being mounted on the base, and a shutter movably coupled with the slide shafts for sliding along said slide shafts to conceal or reveal the opening.