CPC B01D 29/23 (2013.01) [B01D 35/1573 (2013.01); F16K 51/00 (2013.01); B01D 2201/301 (2013.01); B01D 2201/4092 (2013.01); B01D 2201/52 (2013.01)] | 6 Claims |
1. A material catching apparatus comprising:
a housing component adapted to fit within a valve box assembly;
a catchment component coupled to the housing component and adapted to retain material that enters the valve box assembly; and
a thread follower defining a helical surface extending around and generally perpendicular to an outer wall of the housing component, the thread follower adapted to interface with a threaded interior wall of the valve box assembly.
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