Molten plastic material filtration apparatus

A molten plastic material filtration apparatus, comprising:

• a shell, said shell having a cavity, and a feed channel, an outfeed channel and a cleaning channel respectively disposed in communication between said cavity and the space outside said shell;
• a filter mounted in said cavity of said shell and rotatable relative to said shell by an external force, said filter having a filter chamber and a plurality of through holes cut through the periphery thereof in communication with said filter chamber;
• and
• a screw rod mounted in said filter chamber of said filter and rotatable by an external force to move a molten plastic material, that is fed through said feed channel into said filter chamber of said filter, out of said shell through said outfeed channel.

A molten plastic material filtration apparatus, comprising:

• a shell, said shell having a cavity, and a feed channel, an outfeed channel and a cleaning channel respectively disposed in communication between said cavity and the space outside said shell;
• a filter mounted in said cavity of said shell and rotatable relative to said shell by an external force, said filter having a filter chamber and a plurality of through holes cut through the periphery thereof in communication with said filter chamber;
• and
• a control valve mounted in said cleaning channel of said shell and controllable to close/open said cleaning channel.