Patent ID: 8974665
Filing Date: 2015-03-10
Classification: B01D,E03F,Y10T

Abstract:
1. A filter system for use with a tubular storm water pipe for impeding the flow of sediment carried by storm water into an inlet portion of said pipe, said filter system comprising an elongated generally tubular wire frame having longitudinally extending wires and peripherally extending wires defining spaced openings through which storm water may flow, said tubular frame having an inner portion projecting into said inlet portion of said pipe and an elongated outer portion projecting outwardly from said inlet portion of said pipe, a flexible sediment filter material extending around said outer portion of said tubular frame except for a top portion of said frame defining an overflow opening and providing for collecting sediment laterally outwardly around said outer portion of said frame, a collar member separate from said tubular frame and said filter material and comprising a flexible and deformable material, said collar member extending around tubular frame and projecting radially outwardly from said frame and engaging an end surface of said inlet portion of said pipe, and said collar member forming a stop for further inward movement of said frame into said pipe and blocking the flow of sediment between said storm water pipe and said filter material extending around said frame.