Patent ID: 6685758
Filing Date: 2004-02-03
Classification: B01D,B09B

Abstract:
A noxious gas filtering system for use with a disposal container comprising:a cover member adapted to be lowered into a position on top of an opening of the disposal container, said cover member being adapted to provide a substantially airtight seal between said cover member and the disposal container, said cover member having a passage therethrough, said cover member further having a upper end and a lower end; at least one lid pivotally attached to said upper end of said cover member to provide a substantially airtight seal between said at least one lid and said upper end of said cover member, said at least one lid extends outwardly from said cover member with sufficient extension to provide adequate clearance for inserting waste material into said cover member; and at least one door pivotally attached to said lower end of said cover member to provide a substantially airtight seal between said at least one door and said lower end of said cover member, said at least one door down extends outwardly from said cover member with sufficient extension to provide adequate clearance for dropping waste material into the disposal container, said at least one door being somewhat smaller than the opening of the disposal container.