Flexible liner for hoppers or chutes

Details Flexible liner for hoppers or chutes Flexible liner for hoppers or chutes

2011-05-10

2011-05-10

Crawford, Gene (Department: 3651)

Conveyors, chutes, skids, guides, and ways

Chutes

Flexible wall

C198S391000

Reexamination Certificate

active

07938244

ABSTRACT:
A flexible liner (10) for a hopper or chute (40) has a plurality of overlapping flexible liner panels or tiles (20) secured to the walls (41,42) of the hopper or chute (40) by fixing strips (30). Each flexible liner panel or tile (20) has an elongate body (21) and a flexible fin or flap (22) formed integrally of elastomeric material, where the flexible fin or flap (22) extends at an acute included angle (α) (in the direction of flow of material through the hopper or chute (140)) to the side walls (41,42) and the Shore A hardness of the elongate body21) is equal to, or greater than, the Shore A hardness of the flexible fin or flap (22).

REFERENCES:
patent: 3099494 (1963-07-01), Heinze
patent: 5244069 (1993-09-01), Cosgrove
patent: 5921369 (1999-07-01), Steele
patent: 2003213870 (2003-10-01), None
patent: 2004202731 (2005-04-01), None
patent: 2007100172 (2007-03-01), None

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